A method for encoding data defining an image is disclosed. The image is split into a number of image portions. Each portion is segmented into image blocks, each image block in the portion having a uniform block size. A frequency-based transform is applied to each of the image blocks, thereby providing transformed image data in which the image data is represented as coefficients defining a linear combination of predetermined basis functions having different spatial frequencies. The coefficients are quantised, and converted into binary code. Each of the image portions being processed independently of the other image portions.
H04N 19/119 - Aspects de subdivision adaptative, p. ex. subdivision d’une image en blocs de codage rectangulaires ou non
H04N 19/176 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p. ex. un objet la zone étant un bloc, p. ex. un macrobloc
H04N 19/60 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant un codage par transformée
A method for encoding data defining an image is disclosed. The image is segmented into image blocks, each image block having a uniform block size. A frequency-based transform is applied to each of the image blocks, thereby providing transformed image data in which the image data is represented as coefficients defining a linear combination of predetermined basis functions having different spatial frequencies. The coefficients are quantised and converted into binary code. The conversion comprises application of binary arithmetic coding using a probability model. The probability model is learnt based on a sample set of representative images.
H04N 19/625 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant un codage par transformée utilisant une transformée en cosinus discrète
H04N 19/117 - Filtres, p. ex. pour le pré-traitement ou le post-traitement
H04N 19/119 - Aspects de subdivision adaptative, p. ex. subdivision d’une image en blocs de codage rectangulaires ou non
H04N 19/12 - Sélection parmi plusieurs transformées ou standards, p. ex. sélection entre une transformée en cosinus discrète [TCD] et une transformée en sous-bandes ou sélection entre H.263 et H.264
H04N 19/13 - Codage entropique adaptatif, p. ex. codage adaptatif à longueur variable [CALV] ou codage arithmétique binaire adaptatif en fonction du contexte [CABAC]
H04N 19/154 - Qualité visuelle après décodage mesurée ou estimée de façon subjective, p. ex. mesure de la distorsion
H04N 19/172 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p. ex. un objet la zone étant une image, une trame ou un champ
H04N 19/176 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p. ex. un objet la zone étant un bloc, p. ex. un macrobloc
H04N 19/18 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant un ensemble de coefficients de transformée
A method for disrupting the operation of a system comprising electrical and/or electronic circuitry is disclosed. The method comprises the steps of firing a cartridge containing ferrite powder from a gun. The ferrite powder forms a kinetic-effect column that penetrates the system thereby causing physical damage. The ferrite powder then disperses within the system to disrupt operation of the electrical and/or electronic circuitry. A cartridge and kit for use in such a method is also disclosed.
F41H 11/02 - Installations ou systèmes de défense anti-aérienne ou antimissiles
F42B 7/08 - Bourres pour les cartouches de fusils de chasse
F42B 12/50 - Projectiles ou mines caractérisés par la charge militaire, l'effet recherché ou le matériau caractérisés par la nature de la charge militaire ou par l'effet recherché pour libérer des matériaux, des corps ou des particulesProjectiles ou mines caractérisés par la charge militaire, l'effet recherché ou le matériau caractérisés par la nature de la charge militaire ou par l'effet recherché pour produire une réaction chimique ou physiqueProjectiles ou mines caractérisés par la charge militaire, l'effet recherché ou le matériau caractérisés par la nature de la charge militaire ou par l'effet recherché pour la signalisation pour libérer des gaz, des vapeurs, des poudres ou des substances qui sont chimiquement réactifs par dispersion
A separation mechanism (300) for a multi-stage air vehicle is disclosed. The separation mechanism comprises a first component (310) for attaching to a first stage of the multistage air vehicle, and a second component (320) for attaching to a second stage of the multistage air vehicle. The first and second components comprise mutually cooperating outer parts. The mechanism (300) comprises one or more locking lugs (330) arranged, in a joined state, to engage the outer parts of both the first and the second components so as to mechanically join the first and second components, and an activation mechanism (360) operable to allow the locking lugs (330) to move inwardly to a released state in which the first component is released form the second component. A multistage air vehicle (100, figure 1) using the separation mechanism (300) is also disclosed.
A heat transfer device for transferring heat from a first surface to a second surface is disclosed. The device comprises a body defining a fluid circuit arranged to pass in proximity to the first and second surfaces. The fluid circuit contains a ferrofluid. The device also comprises a magnet arranged, when magnetised, to produce a magnetic field in a part of the fluid circuit, such that, when the magnet is magnetised, the ferrofluid is transported around the fluid circuit so as to transfer heat from the first surface to the second surface. The device may find application in missile or aerospace applications.
A heat transfer device (100) with an enclosed cavity (110) partially filled with a conformable magnetic material (150). A first magnet (120) and a second magnet (130) are arranged to produce a magnetic field within the cavity. In a conductive mode, at least the first magnet is magnetised so as to attract the conformable magnetic material to form a thermal bridge across the cavity. In an insulating mode, the first magnet is de-magnetised and the second magnet is magnetised so as to attract the conformable magnetic material to form an insulating gap (110b) across the cavity.
A method for encoding data defining an image is disclosed. The image is segmented into image blocks, each image block having a uniform block size. A frequency-based transform to is applied to each of the image blocks, thereby providing transformed image data in which the image data is represented as coefficients defining a linear combination of predetermined basis functions having different spatial frequencies. The blocks of transformed image data are partitioned into one or more sets of blocks, and each set of blocks is further partitioned into a plurality of slices of blocks. Each slice consists of a number of consecutive blocks in the set, and comprises a reference block. The coefficients in subsequent blocks are represented as a prediction based on the coefficients in the reference block. The coefficients are then quantised, and converted into binary code.
H04N 19/60 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant un codage par transformée
H04N 19/119 - Aspects de subdivision adaptative, p. ex. subdivision d’une image en blocs de codage rectangulaires ou non
H04N 19/174 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p. ex. un objet la zone étant une tranche, p. ex. une ligne de blocs ou un groupe de blocs
H04N 19/176 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p. ex. un objet la zone étant un bloc, p. ex. un macrobloc
There is disclosed a navigation method for an airborne platform. The airborne platform has a ground-facing camera having a field of view, and the method comprises repeating a data capture cycle. The data capture cycle comprises the steps of: moving the sightline of the camera through a range of directions; recording events triggered during motion of the sightline, each event being a change in intensity recorded at a pixel of the camera, and associating each event with a ground-referenced position; and, for each ground-referenced position, determining, from the recorded events, a resultant intensity gradient direction. Relative motion of the platform is determined by comparing a distribution of resultant gradient intensities obtained in a current data capture cycle with a distribution of resultant gradient intensities obtained in an earlier data capture cycle.
A method for encoding data defining an image is disclosed. The method comprises segmenting the image into image blocks, each image block having a uniform block size, and applying a pre-filter, the pre-filter being applied to a group of pixels spanning a boundary between two image blocks. A frequency-based transform is applied to each of the image blocks, thereby providing transformed image data in which the image data is represented as coefficients defining a linear combination of predetermined basis functions having different spatial frequencies. The coefficients are quantised and converted into binary code. The pre-filter is determined at least in part by an optimisation process based on a set of selected images.
H04N 19/117 - Filtres, p. ex. pour le pré-traitement ou le post-traitement
H04N 19/176 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p. ex. un objet la zone étant un bloc, p. ex. un macrobloc
H04N 19/60 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant un codage par transformée
H04N 19/80 - Détails des opérations de filtrage spécialement adaptées à la compression vidéo, p. ex. pour l'interpolation de pixels
10.
METHOD AND APPARATUS FOR ESTIMATING A LOCATION OF A PLATFORM
There is disclosed a method for determining a location of a platform in a region. The platform comprises an event camera having an array of pixels and a memory store. Each pixel is operable to output events which represent a change in light intensity recorded at that pixel. Before platform motion in the region, a signature database is stored in the memory store. Each of the signatures has an associated patch at a known location, and each signature represents the number of events that would be captured by viewing the associated patch using the event camera whilst moving the sightline of the event camera through each of a predetermined set of intervals on a predetermined trajectory. During platform motion in the region, the platform location is determined by using the event camera to obtain a sensed signature. The sensed signature is compared to the signature database to locate the platform.
A method for encoding data defining an image is disclosed. The method comprises segmenting the image into image blocks having a uniform size; and applying a frequency-based transform to each resulting in transformed image data in which the image data is represented as coefficients defining a linear combination of predetermined basis functions having different spatial frequencies, with each block of transformed image data having one coefficient for a zero frequency basis function, and a plurality of coefficients for higher frequency basis functions, which are grouped into one or more sub-bands. The blocks of transformed image data are grouped into slices, and the coefficients are converted into binary code using an allocation method to allocate bits associated with coefficients in each sub-band in a slice amongst-substantially same length bins. Bits associated with each sub-band in each slice are assigned to a bin and transferred, if needed, to achieve the substantially same length.
H04N 19/625 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant un codage par transformée utilisant une transformée en cosinus discrète
H04N 19/61 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant un codage par transformée combiné avec un codage prédictif
H04N 19/91 - Codage entropique, p. ex. codage à longueur variable ou codage arithmétique
A method for encoding data defining an image is disclosed. The method includes providing metadata associated with the image, encoding the metadata into binary code to form a metadata string, and repeating the metadata string a number of times.
A method for encoding data defining an image is disclosed. The method includes providing metadata associated with the image, encoding the metadata into binary code to form a metadata string, and repeating the metadata string a number of times.
A method of decoding a bitstream to reconstruct an image is also disclosed. The method comprises identifying, in the bitstream, a metadata string containing bits relating to metadata associated with the image; determining the number of times the metadata string is repeated; and, for each bit in the metadata string, applying a voting procedure to determine the value of each said bit.
H04N 19/119 - Aspects de subdivision adaptative, p. ex. subdivision d’une image en blocs de codage rectangulaires ou non
H04N 19/176 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p. ex. un objet la zone étant un bloc, p. ex. un macrobloc
H04N 19/60 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant un codage par transformée
09 - Appareils et instruments scientifiques et électriques
13 - Armes à feu; explosifs
Produits et services
Data processing apparatus and data processing systems,
namely target command, coordination, control, detection,
identification systems; radar apparatus; tracking radars;
electronic-scanning radar for target detection; electronic
control, observation, monitoring and checking systems and
apparatus; sensors; all the aforesaid goods in relation to
the following fields: detection, identification, tracking
and disposal of military targets; lasers. Weapon systems; laser weapon systems; directed energy lasers
weapon interception systems; and laser based defence
systems.
A missile is disclosed. The missile comprises an airframe, electronics equipment proximate to a portion of the airframe, a tank for coolant, a coolant channel in fluid communication with the tank, and a pump operable to pump coolant from the tank through the coolant channel. The coolant channel is defined within the airframe and arranged to cool the airframe and the electronics equipment.
A container for launch of a munition having a hollow body portion for accommodating the munition, and a cover (300) through which, on launch of the munition, the munition passes. The cover comprises a frame (302) attached to the body and a closure comprising a plurality of sections (306). Each of the plurality of sections (306) comprises a hinged edge attached to the frame at a hinge (310), and at least one non-hinged edge (314). The non-hinged edges (314) cooperatively engage with one another so as to resist external pressure applied from the exterior of the container, and such that, on launch of the munition, the sections open outwards from the container so as to release the munition.
A heat transfer device comprises a body, an evaporator, a condenser, a wick, a vapour duct communicating between the evaporator and the condenser, and a liquid duct communicating between the condenser and the wick. The device is arranged to define a fluid circuit for a working fluid such that, in operation with the evaporator at a relatively high temperature, and the condenser at a relatively low temperature, working fluid evaporating at the evaporator passes through the liquid duct to the condenser, working fluid condensing in the condenser passes through the liquid duct to the wick, and the wick transports working fluid received from the condenser transported towards the evaporator. The vapour and liquid ducts are provided in the body. The device may find application in missile or aerospace applications.
F28D 15/02 - Appareils échangeurs de chaleur dans lesquels l'agent intermédiaire de transfert de chaleur en tubes fermés passe dans ou à travers les parois des canalisations dans lesquels l'agent se condense et s'évapore, p. ex. tubes caloporteurs
F28D 15/04 - Appareils échangeurs de chaleur dans lesquels l'agent intermédiaire de transfert de chaleur en tubes fermés passe dans ou à travers les parois des canalisations dans lesquels l'agent se condense et s'évapore, p. ex. tubes caloporteurs avec des tubes ayant une structure capillaire
B33Y 80/00 - Produits obtenus par fabrication additive
A gun-launched missile (1) is for use against a beyond line of sight (BLOS) target. The missile (1) comprises a HEAT warhead (15), a soft-launch assembly (19) configured to soft-launch the missile from a gun barrel, and a rocket motor (17) configured to propel the missile (1), after soft-launch from the gun barrel, such as the barrel of a tank gun. The missile (1) also comprises a seeker unit (7) configured to autonomously seek a BLOS target and guide the missile to the target after launch.
F42B 12/06 - Projectiles ou mines caractérisés par la charge militaire, l'effet recherché ou le matériau caractérisés par la nature de la charge militaire ou par l'effet recherché du type perforant à noyau lourd ou durPénétrateurs à énergie cinétique
A threat estimation system arranged to provide a first artificial neural network (ANN) that operates in accordance with a first set of weight values, and an engagement planner. The threat estimation system is arranged to receive a source of sensor data; estimate from the sensor data, using the first ANN, a threat result for a threat indicated by the sensor data; and determine from the threat result, using the engagement planner, a threat action to be performed. The threat estimation system is further arranged to receive an updated first set of weight values for the first ANN, and update the first ANN to operate in accordance with the updated first set of weight values.
G06N 3/044 - Réseaux récurrents, p. ex. réseaux de Hopfield
G01S 7/41 - Détails des systèmes correspondant aux groupes , , de systèmes selon le groupe utilisant l'analyse du signal d'écho pour la caractérisation de la cibleSignature de cibleSurface équivalente de cible
G08B 31/00 - Systèmes d'alarme à prédiction caractérisés par une extrapolation ou un autre type de calcul utilisant des données historiques mises à jour
19.
METAMATERIALS, AND ASSOCIATED METHODS AND APPARATUSES
Metamaterials, and associated methods and apparatuses An apparatus 150 comprising a control system 200 and a metamaterial 201 electronically controlled by the control system 200, the control system including an electrical network 224 and a plurality of independently controllable impedance elements 223a, 223b, 223c, 223d, wherein each of the plurality of independently controllable impedance elements 223a, 223b, 223c, 223d is arranged to be switched between a first state in which at least one of the plurality of independently controllable impedance elements 223a, 223b, 223c, 223d is electrically connected to the electrical network 224 and a second state in which at least one of the plurality of independently controllable impedance elements 223a, 223b, 223c, 223d is electrically disconnected. This provides a plurality of discrete impedance values in the metamaterial 201 according to the combination of impedance elements in the first or second state. Also disclosed are related control systems, methods of control and vehicles.
H01Q 15/00 - Dispositifs pour la réflexion, la réfraction, la diffraction ou la polarisation des ondes rayonnées par une antenne, p. ex. dispositifs quasi optiques
A method for encoding data defining an image is disclosed. The image is segmented into image blocks, each having a uniform block size. A frequency-based transform is applied to each providing transformed image data in which the image data is represented as coefficients defining a linear combination of predetermined basis functions having different spatial frequencies. Each block of transformed image data comprises one coefficient for a zero frequency basis function, and a plurality of coefficients for higher frequency basis functions which are grouped into one or more sub-bands. The blocks of transformed image data are grouped into slices. The coefficients of a first sub-band of each block in a slice are concatenated, and converted into binary code using binary arithmetic coding, and an end-of-slice codeword is inserted at the end of the sub-band. The concatenation/conversion is repeated for all the sub-bands in the slice, and then for all slices.
H04N 19/645 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant un codage par transformée utilisant une transformée en sous-bandes, p. ex. ondelettes caractérisé par l’ordonnancement des coefficients ou des bits à transmettre par regroupement de coefficients en blocs après la transformée
H04N 19/174 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p. ex. un objet la zone étant une tranche, p. ex. une ligne de blocs ou un groupe de blocs
H04N 19/176 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c.-à-d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p. ex. un objet la zone étant un bloc, p. ex. un macrobloc
There is disclosed apparatus for providing an interface between a missile and a launch platform. The apparatus comprises one or more rocket motors, and a jettison device operable to jettison the apparatus from the missile. The apparatus is configured to launch from the launch platform with the missile and to jettison from the missile after operation of the rocket motors. A missile adapted to be launched with the apparatus is also disclosed.
A radar-absorbent material (201) and a method (100) of producing such a radar- absorbent material (201) is disclosed. The radar-absorbent material (201) comprises a radar-absorbent foam (200). The radar-absorbent foam (200) comprises a plurality of pores (202) wherein said pores (202) are defined by one or more interior surfaces (204) of the radar-absorbent foam (200). The method comprising applying (102) a parylene coating (212) to at least one of said interior surfaces (204).
Apparatus and method for compiling an image is disclosed. The apparatus comprises a deflector, a detector, and a processor. The deflector is operable to deflect light incident thereon by a controllable angular deflection, and is arranged to receive light from a moveable field of view within a field of regard by controlling the angular deflection. The detector is arranged to receive deflected light and output an image component composed from the deflected light. The processor is arranged to control the angular deflection to select a part of the field of regard to be received at the detector, and to receive a sequence of such image components from the detector. The apparatus is configured to receive each image component passively, and the processor is operable to compile the sequence of image components to form a composite image of at least a part of the field of regard.
G02B 26/08 - Dispositifs ou dispositions optiques pour la commande de la lumière utilisant des éléments optiques mobiles ou déformables pour commander la direction de la lumière
H04N 23/20 - Caméras ou modules de caméras comprenant des capteurs d'images électroniquesLeur commande pour générer des signaux d'image uniquement à partir d'un rayonnement infrarouge
H04N 23/58 - Moyens permettant de modifier le champ de vision de la caméra sans déplacer le corps de la caméra, p. ex. par nutation ou pivotement des optiques ou des capteurs d'images
H04N 23/698 - Commande des caméras ou des modules de caméras pour obtenir un champ de vision élargi, p. ex. pour la capture d'images panoramiques
A shielded apparatus comprising a device and a shield, and a method of producing a shielded apparatus. The device attenuates x-rays by different amounts in different parts of the device, providing a first span of x-ray attenuations. The shield comprises a layer of x-ray attenuating material that attenuates x-rays by an amount that varies across the shield, providing a second span of attenuations. The second span of attenuations has a magnitude between 20% and 120% of the magnitude of the first span of attenuations.
There is disclosed a method for determining a location of a platform in a region. The platform comprises an event camera having an array of pixels and a memory store. Each pixel is operable to output events which represent a change in light intensity recorded at that pixel. Before platform motion in the region, a signature library is stored in the memory store. Each of the signatures has an associated patch at a known location, and each signature represents the number of events that would be captured by viewing the associated patch using the event camera whilst moving the sightline of the event camera through each of a predetermined set of intervals on a predetermined trajectory. During platform motion in the region, the platform location is determined by using the event camera to obtain a sensed signature. The sensed signature is compared to the signature library to locate the platform.
A foldable moveable member for an air vehicle. The moveable member includes a sheet. The sheet has a first portion, a second portion, and a fold region. The first portion is connected to the second portion via the fold region, and the fold region comprises a plurality of holes such that the stiffness of the fold region is lower than the first or second portion. The fold region, the first portion, and the second portion form a continuous surface.
A radiation detector is disclosed. The detector comprises: a conversion device configured to develop a voltage when subject to incident radiation; and a switch operable configured to move between a first state and a second state when triggered by a threshold voltage. The conversion device is connected to the switch such that, when the threshold voltage is developed across the conversion device, the switch is triggered to move from the first state to the second state. The detector further comprises an interrogation circuit operable to determine whether the switch is in the first state or the second state, thereby to determine whether the detector has been subjected to a threshold level of radiation associated with the threshold voltage. A system comprising radiation sensitive apparatus and the radiation detector is also disclosed.
A method for disrupting the operation of a system comprising electrical and/or electronic circuitry is disclosed. The method comprises the steps of; firing a cartridge (101) containing ferrite powder (110) from a gun. The ferrite powder (110) forms a kinetic-effect column (154) that penetrates the system thereby causing physical damage; and then, the ferrite powder (110) disperses within the system to disrupt operation of the electrical and/or electronic circuitry. A cartridge (101) and kit for use in such a method is also disclosed.
F42B 12/46 - Projectiles ou mines caractérisés par la charge militaire, l'effet recherché ou le matériau caractérisés par la nature de la charge militaire ou par l'effet recherché pour libérer des matériaux, des corps ou des particulesProjectiles ou mines caractérisés par la charge militaire, l'effet recherché ou le matériau caractérisés par la nature de la charge militaire ou par l'effet recherché pour produire une réaction chimique ou physiqueProjectiles ou mines caractérisés par la charge militaire, l'effet recherché ou le matériau caractérisés par la nature de la charge militaire ou par l'effet recherché pour la signalisation pour libérer des gaz, des vapeurs, des poudres ou des substances qui sont chimiquement réactifs
F41H 11/02 - Installations ou systèmes de défense anti-aérienne ou antimissiles
F42B 12/44 - Projectiles ou mines caractérisés par la charge militaire, l'effet recherché ou le matériau caractérisés par la nature de la charge militaire ou par l'effet recherché pour libérer des matériaux, des corps ou des particulesProjectiles ou mines caractérisés par la charge militaire, l'effet recherché ou le matériau caractérisés par la nature de la charge militaire ou par l'effet recherché pour produire une réaction chimique ou physiqueProjectiles ou mines caractérisés par la charge militaire, l'effet recherché ou le matériau caractérisés par la nature de la charge militaire ou par l'effet recherché pour la signalisation du type incendiaire
09 - Appareils et instruments scientifiques et électriques
38 - Services de télécommunications
39 - Services de transport, emballage et entreposage; organisation de voyages
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Dynamic vision sensor cameras; dynamic vision sensors;
neuromorphic sensors; neuromorphic cameras; cameras
reporting changes in brightness; autonomous navigation
systems based on novel image and signal processing and on
neuromorphic sensors; data processing system; computer
applications for navigation apparatus; electronic navigation
apparatus; electronic navigational and positioning apparatus
and instruments; navigation apparatus and instruments;
navigation, guidance, tracking, targeting and map making
devices; navigation software; navigation instruments;
software for navigation systems; software and instruments
for navigation data purposes analysis; apparatus for
transmission and treatment of data, and notably of images
and videos; software for treatment of data; software for
compression, decompression, treatment of data, images,
videos; computer software to perform computations; wireless
communication instruments and apparatus for data and video;
sensors, electronic sensors; smart-sensor; electronic
control, observation, monitoring and checking systems and
apparatus. Streaming of data, images and videos; providing wireless
communications data and images via electronic communication
networks; wireless electronic transmission of data and
images. Navigation services; navigational advisory services. Engineering in the fields of navigation systems and data
processing systems; design and development of navigation
system; design of communication and data processing systems;
computer engineering; cloud computing; design, management,
rental, updating of software, computer programs, computer
platforms; software as a service [SaaS]; Consulting services
in the field of software as a service [SaaS]; development of
computer software application solutions.
The present invention concerns a missile structure. More particularly, but not exclusively, this invention concerns a hybrid missile structure. The missile structure comprises an outer structural element, an inner structural element, and an insulating layer disposed between the outer structural element and the inner structural element. An intermediate structural element links the outer structural element and the inner structural element. The outer structure comprises a composite material, and the inner structure comprises a metal material.
09 - Appareils et instruments scientifiques et électriques
38 - Services de télécommunications
39 - Services de transport, emballage et entreposage; organisation de voyages
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Dynamic Vision Sensor Cameras; Dynamic Vision Sensors; neuromorphic sensors; neuromorphic cameras; Cameras reporting changes in brightness; Autonomous navigation systems based on novel image and signal processing and on neuromorphic sensors; Data processing system; Computer applications for navigation apparatus; Electronic navigation apparatus; Electronic navigational and positioning apparatus and instruments; Navigation apparatus and instruments; Navigation, guidance, tracking, targeting and map making devices; Navigation software; Navigation instruments; Software for navigation systems; Software and instruments for navigation data purposes analysis; Apparatus for transmission and treatment of data, and notably of images and videos; Software for treatment of data; Software for compression, decompression, treatment of data, images, videos; Computer software to perform computations; Wireless communication instruments and apparatus for data and video; Sensors, electronic sensors; smart-sensor; Electronic control, observation, monitoring and checking systems and apparatus. Streaming of data, images and videos; Providing wireless communications data and images via electronic communication networks; Wireless electronic transmission of data and images. Navigation services; Navigational advisory services. Engineering in the fields of navigation systems and data processing systems; Design and development of navigation system; Design of communication and data processing systems; Computer engineering; Cloud computing; Design, management, rental, updating of software, computer programs, computer platforms; Software as a service [SaaS]; Consulting services in the field of software as a service [SaaS]; Development of computer software application solutions.
An electronic unit for a missile comprising a potted electronics in a housing: the unit being adapted to compensate for a difference in coefficient of thermal expansion between the potted electronics and the housing, the unit further comprising: a first ramp; and a second ramp slidably arranged against the first ramp, wherein the first and second ramps are disposed within the housing, the first or the second ramp abutting the potted electronics so as to provide an interference fit between the potted electronics and the housing; wherein the first ramp and second ramp each comprise a coefficient of thermal expansion selected to maintain the interference fit between the potted electronics and the housing throughout a temperature range.
An acousto-optic device is disclosed. The device comprises: an optically transmissive element to receive a beam of light at an input surface, the beam being received from a direction defining an optical axis; a set of acoustic transducers spaced around the element; and a controller operable to activate the transducers to generate an acoustic wave travelling through the device to intersect with the optical axis. The controller is further operable to selectively activate a first subset of the set of transducers such that the acoustic wave propagates in a selected direction. Each of the set of acoustic transducers is differently orientated such that the selected direction is controllable through the selection of first subset of transducers from the set of transducers, and the device is thereby operable to control the direction in which the beam of light is deflected in two dimensions. A method of operating the device is also disclosed.
G02F 1/33 - Dispositifs de déflexion acousto-optique
G02F 1/11 - Dispositifs ou dispositions pour la commande de l'intensité, de la couleur, de la phase, de la polarisation ou de la direction de la lumière arrivant d'une source lumineuse indépendante, p. ex. commutation, ouverture de porte ou modulationOptique non linéaire pour la commande de l'intensité, de la phase, de la polarisation ou de la couleur basés sur des éléments acousto-optiques, p. ex. en utilisant la diffraction variable par des ondes sonores ou des vibrations mécaniques analogues
G01S 17/88 - Systèmes lidar, spécialement adaptés pour des applications spécifiques
A method for encoding data defining an image is disclosed. The method comprises segmenting the image into image blocks, each image block having a uniform block size, and applying a pre-filter, the pre-filter being applied to a group of pixels spanning a boundary between two image blocks. A frequency- based transform is applied to each of the image blocks, thereby providing transformed image data in which the image data is represented as coefficients defining a linear combination of predetermined basis functions having different spatial frequencies. The coefficients are quantised and converted into binary code. The pre-filter is determined at least in part by an optimisation process based on a set of selected images.
H04N 19/117 - Filtres, p. ex. pour le pré-traitement ou le post-traitement
H04N 19/80 - Détails des opérations de filtrage spécialement adaptées à la compression vidéo, p. ex. pour l'interpolation de pixels
H04N 19/86 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le pré-traitement ou le post-traitement spécialement adaptés pour la compression vidéo mettant en œuvre la diminution des artéfacts de codage, p. ex. d'artéfacts de blocs
A method for encoding data defining an image is disclosed. The image is segmented into image blocks, each image block having a uniform block size. A frequency-based transform to is applied to each of the image blocks, thereby providing transformed image data in which the image data is represented as coefficients defining a linear combination of predetermined basis functions having different spatial frequencies. The blocks of transformed image data are partitioned into one or more sets of blocks, and each set of blocks is further partitioned into a plurality of slices of blocks. Each slice consists of a number of consecutive blocks in the set, and comprises a reference block. The coefficients in subsequent blocks are represented as a prediction based on the coefficients in the reference block. The coefficients are then quantised, and converted into binary code.
H04N 19/645 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant un codage par transformée utilisant une transformée en sous-bandes, p. ex. ondelettes caractérisé par l’ordonnancement des coefficients ou des bits à transmettre par regroupement de coefficients en blocs après la transformée
H04N 19/66 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant la tolérance aux erreurs mettant en œuvre la séparation des données, c.-à-d. la séparation des données en paquets ou en partitions selon leur importance
A method for encoding data defining an image is disclosed. The method comprises segmenting the image into image blocks; and applying a frequency- based transform to each of the image blocks, thereby providing transformed image data in which the image data is represented as coefficients defining a linear combination of predetermined basis functions having different spatial frequencies. The coefficients for each block are converted into binary code, and concatenated to form a bit stream. The bit stream is interleaved to distribute the bit stream across a number of data packets; and the data packets are stored. A platform comprising an image sensor, an image processor, and a transmitter is also disclosed. The image processor is configured to receive data defining images from the image sensor and to encode the data according to the above method before passing the data packets to the transmitter.
H04N 19/60 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant un codage par transformée
H04N 19/66 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant la tolérance aux erreurs mettant en œuvre la séparation des données, c.-à-d. la séparation des données en paquets ou en partitions selon leur importance
H04N 19/88 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le pré-traitement ou le post-traitement spécialement adaptés pour la compression vidéo mettant en œuvre la réorganisation de données entre différentes unités de codage, p. ex. redistribution, entrelacement, brouillage ou permutation de données de pixel ou permutation de données de coefficients de transformée entre différents blocs
A method for encoding data defining an image is disclosed. The image is segmented into image blocks, each image block having a uniform block size. A frequency-based transform is applied to each of the image blocks, thereby providing transformed image data in which the image data is represented as coefficients defining a linear combination of predetermined basis functions having different spatial frequencies. The coefficients are quantised and converted into binary code. The conversion comprises application of binary arithmetic coding using a probability model. The probability model is learnt based on a sample set of representative images.
H04N 19/645 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant un codage par transformée utilisant une transformée en sous-bandes, p. ex. ondelettes caractérisé par l’ordonnancement des coefficients ou des bits à transmettre par regroupement de coefficients en blocs après la transformée
H04N 19/82 - Détails des opérations de filtrage spécialement adaptées à la compression vidéo, p. ex. pour l'interpolation de pixels mettant en œuvre le filtrage dans une boucle de prédiction
H04N 19/85 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le pré-traitement ou le post-traitement spécialement adaptés pour la compression vidéo
There is disclosed a method for encoding data defining an image. The method comprises segmenting the image into image blocks, each image block having a uniform block size; and applying a frequency-based transform to each of the image blocks. Application of the transform results in transformed image data in which the image data is represented as coefficients defining a linear combination of predetermined basis functions having different spatial frequencies, with each block of transformed image data having one coefficient for a zero frequency basis function, and a plurality of coefficients for higher frequency basis functions. The coefficients for higher frequency basis functions are grouped into one or more sub-bands. The blocks of transformed image data are grouped into slices, and the coefficients are converted into binary code. The conversion into binary code uses an allocation method to allocate bits associated with coefficients in each sub-band in a slice amongst a number of bins such that the bins each have substantially the same predetermined bin length. Bits associated with each sub-band in each slice are assigned to one of the bins; and if the number of bits in a first bin is greater than the predetermined bin length, they are transferred bits to a second bin in which the number of bits is less than the predetermined bin length.
H04N 19/645 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant un codage par transformée utilisant une transformée en sous-bandes, p. ex. ondelettes caractérisé par l’ordonnancement des coefficients ou des bits à transmettre par regroupement de coefficients en blocs après la transformée
H04N 19/66 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant la tolérance aux erreurs mettant en œuvre la séparation des données, c.-à-d. la séparation des données en paquets ou en partitions selon leur importance
H04N 19/60 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant un codage par transformée
H04N 19/91 - Codage entropique, p. ex. codage à longueur variable ou codage arithmétique
A method for encoding data defining an image is disclosed. The image is segmented into image blocks, each image block having a uniform block size. A frequency-based transform is applied to each of the image blocks, thereby providing transformed image data in which the image data is represented as coefficients defining a linear combination of predetermined basis functions having different spatial frequencies. Each block of transformed image data comprises one coefficient for a zero frequency basis function, and a plurality of coefficients for higher frequency basis functions, and plurality of coefficients for higher frequency basis functions are grouped into one or more sub-bands. The blocks of transformed image data are grouped into slices, each slice comprising a plurality of blocks of transformed image data. The coefficients of a first sub- band of each block in a slice are concatenated, and converted into binary code using binary arithmetic coding, and an end-of-slice codeword is inserted at the end of the sub-band. The concatenation and conversion to binary is repeated for all the sub-bands in the slice, and then for all slices of the transformed image data.
H04N 19/645 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant un codage par transformée utilisant une transformée en sous-bandes, p. ex. ondelettes caractérisé par l’ordonnancement des coefficients ou des bits à transmettre par regroupement de coefficients en blocs après la transformée
H04N 19/66 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant la tolérance aux erreurs mettant en œuvre la séparation des données, c.-à-d. la séparation des données en paquets ou en partitions selon leur importance
H04N 19/68 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant la tolérance aux erreurs mettant en œuvre l’insertion de marqueurs de resynchronisation dans le train de bits
A method for encoding data defining an image is disclosed. The method includes providing metadata associated with the image, encoding the metadata into binary code to form a metadata string, and repeating the metadata string a number of times. A method of decoding a bitstream to reconstruct an image is also disclosed. The method comprises identifying, in the bitstream, a metadata string containing bits relating to metadata associated with the image; determining the number of times the metadata string is repeated; and, for each bit in the metadata string, applying a voting procedure to determine the value of each said bit.
H04N 19/645 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant un codage par transformée utilisant une transformée en sous-bandes, p. ex. ondelettes caractérisé par l’ordonnancement des coefficients ou des bits à transmettre par regroupement de coefficients en blocs après la transformée
H04N 19/60 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant un codage par transformée
H04N 19/65 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant la tolérance aux erreurs
A method for encoding data defining an image is disclosed. The image is split into a number of image portions. Each portion is segmented into image blocks, each image block in the portion having a uniform block size. A frequency-based transform is applied to each of the image blocks, thereby providing transformed image data in which the image data is represented as coefficients defining a linear combination of predetermined basis functions having different spatial frequencies. The coefficients are quantised, and converted into binary code. Each of the image portions being processed independently of the other image portions.
H04N 19/645 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant un codage par transformée utilisant une transformée en sous-bandes, p. ex. ondelettes caractérisé par l’ordonnancement des coefficients ou des bits à transmettre par regroupement de coefficients en blocs après la transformée
H04N 19/66 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant la tolérance aux erreurs mettant en œuvre la séparation des données, c.-à-d. la séparation des données en paquets ou en partitions selon leur importance
Method of and system for monitoring mechanical fatigue of a complex weapon system. First, data representing a movement of the complex weapon system is acquired. On the basis of the acquired data, a measure of mechanical fatigue damage to the complex weapon system arising from the movement is calculated. On the basis of that calculated measure, a cumulative total of the mechanical fatigue damage accrued by the complex weapon system is updated to account for the mechanical fatigue damage arising from the movement.
There is disclosed apparatus for providing an interface between a missile and a launch platform. The apparatus comprises one or more rocket motors, and a jettison device operable to jettison the apparatus from the missile. The apparatus is configured to launch from the launch platform with the missile and to jettison from the missile after operation of the rocket motors. A missile adapted to be launched with the apparatus is also disclosed.
09 - Appareils et instruments scientifiques et électriques
12 - Véhicules; appareils de locomotion par terre, par air ou par eau; parties de véhicules
13 - Armes à feu; explosifs
Produits et services
Data processing system, namely, an integrated command,
coordination and monitoring system that enables a commander
to set up a temporary installation compatible with a
computer network; radar apparatus; radar detectors;
electronic scanning radar for detecting targets;
electro-optical apparatus for tracking, classifying and the
function of inhibiting directional radio frequency signals;
electronic control, observation, tracking and monitoring
apparatus and systems; sensors, electronic sensors;
intelligent sensor and effector assemblies; electronic and
optoelectronic apparatus for processing, receiving and
transferring data; electronic apparatus for remote control
of signals; the aforementioned goods being intended for
civil and military security markets for the detection,
identification, tracking and neutralization of rogue or
threatening drones, also known as unmanned aerial systems
(UAS). Military drones and civilian drones; drones;
remote-controlled aircraft. Missiles and weapon systems therefor; launchers for
projectiles; cannons; shooting platforms [weapons].
48.
A SERVO ACTUATION SYSTEM AND METHOD OF ACTUATING AN ARTICLE USING SUCH A SERVO ACTUATION SYSTEM
A method of actuating an article using a servo actuation system is disclosed. The system comprises a motor, a controller and an inverter. The controller comprises a position controller, a velocity controller and a current controller; the position controller outputs velocity demands to the velocity controller, the velocity controller outputs current demands to the current controller, and the current controller outputs voltage demands to the inverter. The inverter outputs inverted voltage demands to the motor. The method comprises: determining a parameter downstream of the inverter; calculating a limiting value from the parameter and a defined supply power limit; and applying the limiting value in the controller to ensure that the power drawn by the servo actuation system remains within the defined supply power limit.
H02P 23/14 - Estimation ou adaptation des paramètres des moteurs, p. ex. constante de temps du rotor, flux, vitesse, courant ou tension
G05B 19/4155 - Commande numérique [CN], c.-à-d. machines fonctionnant automatiquement, en particulier machines-outils, p. ex. dans un milieu de fabrication industriel, afin d'effectuer un positionnement, un mouvement ou des actions coordonnées au moyen de données d'un programme sous forme numérique caractérisée par le déroulement du programme, c.-à-d. le déroulement d'un programme de pièce ou le déroulement d'une fonction machine, p. ex. choix d'un programme
49.
Safety assembly for training use of a laser-directed energy weapon
A safety assembly for use with a laser-directed energy weapon is disclosed. The assembly comprises a control system comprising a photodetector and a processing unit; and an optical device configured to attach to a target such that, when attached, the optical device provides a light beam to the photodetector. The processing unit is arranged to compare the received light beam against one or more predetermined attributes, and to permit the laser-directed energy weapon to fire only when the received light beam is determined to have the one or more attributes.
F41H 13/00 - Moyens d'attaque ou de défense non prévus ailleurs
F41A 17/08 - Mécanismes de sûreté, p. ex. sûretés pour empêcher le tir dans une direction prédéterminée, p. ex. le tir sur une personne amie ou le tir sur une aire protégée
F41G 3/26 - Appareils d'instruction ou d'entraînement pour le pointage
There is disclosed an apparatus for compiling an image. The apparatus comprises a deflector, a detector, and a processor. The detector is operable to deflect light incident thereon by a controllable angular deflection, and is arranged to receive light from a field of view, which field of view is moveable within a field of regard by controlling the angular deflection. The detector is arranged to receive deflected light from the deflector and is operable to output an image component composed from the deflected light. The processor is arranged to control the angular deflection so as to select a part of the field of regard to be received at the detector, thereby selecting the size and/or position of an image component within the field of regard; and to receive a sequence of such image components from the detector. The apparatus is configured to receive each image component passively, and the processor is operable to compile the sequence of image components to form a composite image of at least a part of the field of regard. A method for compiling an image is also disclosed.
G02B 26/08 - Dispositifs ou dispositions optiques pour la commande de la lumière utilisant des éléments optiques mobiles ou déformables pour commander la direction de la lumière
H04N 23/58 - Moyens permettant de modifier le champ de vision de la caméra sans déplacer le corps de la caméra, p. ex. par nutation ou pivotement des optiques ou des capteurs d'images
H04N 23/698 - Commande des caméras ou des modules de caméras pour obtenir un champ de vision élargi, p. ex. pour la capture d'images panoramiques
G02F 1/33 - Dispositifs de déflexion acousto-optique
H04N 23/20 - Caméras ou modules de caméras comprenant des capteurs d'images électroniquesLeur commande pour générer des signaux d'image uniquement à partir d'un rayonnement infrarouge
51.
Missile servo actuation system and method of controlling a servo actuation system in a missile
A method of controlling a servo actuation system in a missile is disclosed. The method comprises estimating a temperature of a motor comprised in the servo actuation system from a plurality of motor parameters; and controlling the motor based at least in part on the estimated motor temperature.
H02P 1/40 - Dispositions de démarrage de moteurs électriques ou de convertisseurs dynamo-électriques pour faire démarrer des machines dynamo- électriques ou des convertisseurs dynamo-électriques pour faire démarrer individuellement un moteur à induction polyphasé dans l'un ou l'autre sens de rotation
G05B 19/4155 - Commande numérique [CN], c.-à-d. machines fonctionnant automatiquement, en particulier machines-outils, p. ex. dans un milieu de fabrication industriel, afin d'effectuer un positionnement, un mouvement ou des actions coordonnées au moyen de données d'un programme sous forme numérique caractérisée par le déroulement du programme, c.-à-d. le déroulement d'un programme de pièce ou le déroulement d'une fonction machine, p. ex. choix d'un programme
H02P 25/20 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de moteur ou par des détails de structure caractérisés par des dispositions de circuit ou par le type de câblage avec des dispositions pour la commutation des enroulements, p. ex. par des interrupteurs mécaniques ou des relais pour le changement du nombre de pôles
H02P 29/66 - Commande ou détermination de la température du rotor
09 - Appareils et instruments scientifiques et électriques
12 - Véhicules; appareils de locomotion par terre, par air ou par eau; parties de véhicules
13 - Armes à feu; explosifs
Produits et services
(1) Système de traitement de données, à savoir logiciels d'exploitation intégrés pour le traitement de données et comprenant une interface utilisateur pour l'implantation temporaire sur un réseau informatique d'ordinateurs et de matériel informatique pour effectuer la commande, la coordination et le contrôle de la communication d'un système de défense aérienne au sol, aucun des produits susmentionnés n'étant utilisé à des fins d'évaluation de la vulnérabilité des réseaux informatiques ou des postes informatiques individuels; radars; détecteurs de radars; radar à balayage électronique pour la détection de cibles; appareils électro-optiques pour le suivi, la classification et la fonction d'inhibition de signaux de fréquence radio directionnels, nommément émetteurs et récepteurs radio, brouilleurs et inhibiteurs de radiofréquences; systèmes et appareils électroniques de commande, d'observation, de suivi et de contrôle, nommément, transmetteurs radio pour commandes à distance, transmetteurs longue portée, analyseurs de spectre, systèmes d'alerte aux missiles; capteurs et capteurs électroniques, nommément détecteurs de radiofréquences, capteurs de position, capteurs de proximité, capteurs optiques, capteurs de température à distance, capteurs infrarouge; ensembles d'effecteurs étant des appareils, machines et instruments à usage militaire et de capteurs intelligents interconnectés, nommément ensembles de brouilleurs et inhibiteurs de radiofréquences, de détecteurs de radiofréquences, de capteurs de position, de capteurs de proximité, de capteurs optiques, et de capteurs de température à distance; les produits précités étant destinés aux marchés de sécurité militaires et civils pour la détection, l'identification, le suivi et la neutralisation des drones voyous ou menaçants, également appelés systèmes aériens sans pilote (UAS).
(2) Drones militaires et drones civils; aéronefs télécommandés.
(3) Missiles et systèmes d'armes correspondants nommément effecteurs comprenant missiles, radars de conduite de tirs et de poursuite, systèmes de lancement, munitions, munition téléopérée et munitions télécommandées; lanceurs pour projectiles, nommément lance-roquettes, pistolets lance-fusées; canons; plates-formes de tir [armes].
A shielded apparatus (101) comprising a device (103) and a shield (105), and a method of producing a shielded apparatus. The device (103) attenuates x-rays by different amounts in different parts of the device (103), providing a first span of x-ray attenuations. The shield (105) comprises a layer of x-ray attenuating material (109) that attenuates x-rays by an amount that varies across the shield (105), providing a second span of attenuations. The second span of attenuations has a magnitude between 20% and 120% of the magnitude of the first span of attenuations.
G21F 1/00 - Blindage caractérisé par la composition du matériau
G21K 1/10 - Dispositifs de diffusionDispositifs d'absorption
F41H 3/00 - Camouflage, c.-à-d. moyens ou procédés de dissimulation ou de simulation
G01N 23/04 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et formant des images des matériaux
H05K 9/00 - Blindage d'appareils ou de composants contre les champs électriques ou magnétiques
A shielded apparatus (101) comprising a device (103) and a shield (105), and a method of producing a shielded apparatus. The device (103) attenuates x-rays by different amounts in different parts of the device (103), providing a first span of x-ray attenuations. The shield (105) comprises a layer of x-ray attenuating material (109) that attenuates x-rays by an amount that varies across the shield (105), providing a second span of attenuations. The second span of attenuations has a magnitude between 20% and 120% of the magnitude of the first span of attenuations.
F41H 3/00 - Camouflage, c.-à-d. moyens ou procédés de dissimulation ou de simulation
G01N 23/04 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et formant des images des matériaux
G21F 1/00 - Blindage caractérisé par la composition du matériau
G21K 1/10 - Dispositifs de diffusionDispositifs d'absorption
H05K 9/00 - Blindage d'appareils ou de composants contre les champs électriques ou magnétiques
09 - Appareils et instruments scientifiques et électriques
12 - Véhicules; appareils de locomotion par terre, par air ou par eau; parties de véhicules
13 - Armes à feu; explosifs
Produits et services
Data processing system, namely integrated command, coordination and control system which enables a commander to set up a computer network-enabled temporary facility; radar apparatus; radar detectors; electronic-scanning radar for target detection; electro-optical apparatus for tracking, classification and directional radio frequency (RF) inhibition capability; electronic control, observation, monitoring and checking systems and apparatus; sensors, electronic sensors; smart-sensor and effector package; electronic and optoelectronic apparatus for the processing, reception and transfer of data; electronic apparatus for the remote control of signals; all the aforesaid being intended for military and civilian security markets for the detection, identification, tracking and neutralization of rogue or threatening drones, also referred to as unmanned-air systems (UASs). Military and civilian drones; drones; remotely operated aircrafts. Missiles and corresponding weapon systems; Launchers for projectiles; canons; firing platforms (weapons).
The present disclosure relates to a foldable moveable member for an air vehicle. The moveable member comprises a sheet, the sheet comprising a first portion, a second portion, and a fold region. The first portion is connected to the second portion via the fold region, and the fold region comprises a plurality of holes such that the stiffness of the fold region is lower than the first or second portion. The fold region forms a continuous surface between the first and second portion.
The present disclosure comprises an evaporative cooling assembly (200) for cooling an apparatus (220), and a method for cooling an apparatus (220). The evaporative cooling assembly comprises a refrigerant tank (202), the refrigerant tank (202) containing refrigerant (204). The apparatus also comprises a first evaporator (210) configured to be positioned proximal to the apparatus (220), and a second evaporator (216) positioned to cool the refrigerant tank (202). Each of the first evaporator (210) and the second evaporator (216) are in fluid communication with the refrigerant tank (202), and the second evaporator (216) is positioned downstream of the first evaporator (210). The method for cooling a heated apparatus (220) comprises passing a refrigerant (204) from a refrigerant tank (202) to a first evaporator (210), which is located proximal to the apparatus (220). At least part of the refrigerant is evaporated, and then passed to a second evaporator (216), which is positioned to cool the refrigerant tank (202).
A radiation detector is disclosed. The detector comprises: a conversion device configured to develop a voltage when subject to incident radiation; and a switch operable configured to move between a first state and a second state when triggered by a threshold voltage. The conversion device is connected to the switch such that, when the threshold voltage is developed across the conversion device, the switch is triggered to move from the first state to the second state. The detector further comprises an interrogation circuit operable to determine whether the switch is in the first state or the second state, thereby to determine whether the detector has been subjected to a threshold level of radiation associated with the threshold voltage. A system comprising radiation sensitive apparatus and the radiation detector is also disclosed.
A radiation detector is disclosed. The detector comprises: a conversion device configured to develop a voltage when subject to incident radiation; and a switch operable configured to move between a first state and a second state when triggered by a threshold voltage. The conversion device is connected to the switch such that, when the threshold voltage is developed across the conversion device, the switch is triggered to move from the first state to the second state. The detector further comprises an interrogation circuit operable to determine whether the switch is in the first state or the second state, thereby to determine whether the detector has been subjected to a threshold level of radiation associated with the threshold voltage. A system comprising radiation sensitive apparatus and the radiation detector is also disclosed.
A method of controlling a self-propelled flying device that seeks a target. A desired time to reach the target is obtained. The position of the target is acquired. A bias value is calculated, and the flight of the device towards the target is adjusted for a period of time using the bias value. The bias value is calculated so that the device reaches the target at the desired time.
A countermeasure (200) for use against a vehicle having an electric motor comprising at least one magnet. The countermeasure (200) comprises an ejection system (205) comprising a plurality of pieces of magnetic material (203). The ejection system (205) is configured to release the plurality of pieces (203) in response to receipt of a trigger signal (209). Also a method of disrupting the operation of a vehicle having an electric motor comprising at least one magnet using an ejection system (205) containing a plurality of pieces (203) of magnetic material. The method comprises detecting the vehicle; receiving, at the dispersal system, a trigger signal (209); in response to the receipt of the trigger signal (209), the ejection system (205) releasing the plurality of pieces (203); some of the plurality of pieces (203) being attracted to the magnet, sticking to the magnet, and thereby obstructing the motor.
F42B 12/56 - Projectiles ou mines caractérisés par la charge militaire, l'effet recherché ou le matériau caractérisés par la nature de la charge militaire ou par l'effet recherché pour libérer des matériaux, des corps ou des particulesProjectiles ou mines caractérisés par la charge militaire, l'effet recherché ou le matériau caractérisés par la nature de la charge militaire ou par l'effet recherché pour produire une réaction chimique ou physiqueProjectiles ou mines caractérisés par la charge militaire, l'effet recherché ou le matériau caractérisés par la nature de la charge militaire ou par l'effet recherché pour la signalisation pour la libération de corps solides individuels
F41H 11/02 - Installations ou systèmes de défense anti-aérienne ou antimissiles
An electronic unit for a missile comprising a potted electronics in a housing; the unit being adapted to compensate for a difference in coefficient of thermal expansion between the potted electronics and the housing, the unit further comprising; a first ramp; and a second ramp slidably arranged against the first ramp, wherein the first and second ramps are disposed within the housing, the first or the second ramp abutting the potted electronics so as to provide an interference fit between the potted electronics and the housing; wherein the first ramp and second ramp each comprise a coefficient of thermal expansion selected to maintain the interference fit between the potted electronics and the housing throughout a temperature range.
There is disclosed a missile comprising an outer skin, an electronics unit, and a thermal link between the electronics unit and the outer skin. The thermal link comprises a jumping drop vapour chamber arranged such that, when the outer skin is at an elevated temperature relative to the electronics unit, the electronics unit is thermally insulated from the outer skin; and such that, when the outer skin is at a lower temperature relative to the electronics unit, the electronics unit is thermally linked to the outer skin.
The invention relates to a method of determining the relative positions of components of a munitions system, the munitions system comprising a first component (331) and at least one second component (333). The method comprises monitoring the output of a resonant circuit (305) provided on a first component (331), the resonant circuit (305) having a resonant frequency, detecting a change in the output due to a change in the resonant frequency caused by a change in the relative positions of the first component (331) and the at least one second component (333), and using the detected change to determine that the at least one second component (333) has moved relative to the first component (331).
B64D 1/06 - Mécanismes de largage des bombesTrappes de la soute à bombes
F41F 3/06 - Lanceurs de roquettes ou de torpilles pour roquettes à partir d'avions
F41G 7/00 - Systèmes de commande de guidage pour missiles autopropulsés
G01V 3/10 - Prospection ou détection électrique ou magnétiqueMesure des caractéristiques du champ magnétique de la terre, p. ex. de la déclinaison ou de la déviation fonctionnant au moyen de champs magnétiques ou électriques produits ou modifiés par les objets ou les structures géologiques, ou par les dispositifs de détection en utilisant des cadres inducteurs
09 - Appareils et instruments scientifiques et électriques
38 - Services de télécommunications
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Apparatus for transmission and treatment of data, and notably of images and videos; software for treatment of data; software for compression, decompression, treatment of data, images, videos; wireless communication instruments and apparatus for data and video. Streaming of data, images and videos; providing wireless communications via electronic communication networks; wireless electronic transmission of data and images. Design of communication systems and data processing systems; Engineering in the fields of communications and data processing.
Method of and system for monitoring mechanical fatigue of a complex weapon system. First, data representing a movement of the complex weapon system is acquired (101). On the basis of the acquired data, a measure of mechanical fatigue damage to the complex weapon system arising from the movement is calculated (109). On the basis of that calculated measure, a cumulative total of the mechanical fatigue damage accrued by the complex weapon system is updated (113) to account for the mechanical fatigue damage arising from the movement.
There is disclosed a device for determining a strength of an oscillating electric field. The device comprises an absorber to absorb radiation at the frequency of the oscillating electric field, and a thermal insulator transparent to radiation at the frequency of the oscillating electric field, which thermal insulator is arranged to thermally insulate the absorber. The device also comprises a first temperature sensor arranged to measure the temperature of the absorber, and a second temperature sensor arranged to measure the temperature external to the thermal insulator. Methods of measuring electric field using such a device, and methods of calibrating such a device, are also disclosed.
A method of actuating an article using a servo actuation system is disclosed. The system comprises a motor, a controller and an inverter. The controller comprises a position controller, a velocity controller and a current controller; the position controller outputs velocity demands to the velocity controller, the velocity controller outputs current demands to the current controller, and the current controller outputs voltage demands to the inverter. The inverter outputs inverted voltage demands to the motor. The method comprises: determining a parameter downstream of the inverter; calculating a limiting value from the parameter and a defined supply power limit; and applying the limiting value in the controller to ensure that the power drawn by the servo actuation system remains within the defined supply power limit.
H02P 6/08 - Dispositions pour commander la vitesse ou le couple d'un seul moteur
H02P 6/16 - Dispositions de circuits pour détecter la position
H02P 6/17 - Dispositions de circuits pour détecter la position et pour l’obtention d’informations sur la vitesse
H02P 6/28 - Dispositions pour la commande du courant
H02P 21/05 - Dispositions ou procédés pour la commande de machines électriques par commande par vecteur, p. ex. par commande de l’orientation du champ spécialement adaptés pour amortir les oscillations des moteurs, p. ex. pour la réduction du pompage
H02P 21/22 - Commande du courant, p. ex. en utilisant une boucle de commande
A method of controlling a servo actuation system in a missile is disclosed. The method comprises estimating a temperature of a motor comprised in the servo actuation system from a plurality of motor parameters; and controlling the motor based at least in part on the estimated motor temperature.
An imaging device includes: an array of liquid crystal cells, each liquid crystal cell providing a respective phase shift to electromagnetic radiation passing through the liquid crystal cell; control electronics for controlling the phase shifts provided by each of the liquid crystal cells; a detector; and an image processor for generating an image from electromagnetic radiation detected by the detector. The array of liquid crystal cells form a plurality of patches; and the control electronics is configured to control the phase shifts of the cells of each patch to form each patch into a respective lens that focuses electromagnetic radiation towards the detector such that the plurality of patches form an array of lenses.
G02F 1/29 - Dispositifs ou dispositions pour la commande de l'intensité, de la couleur, de la phase, de la polarisation ou de la direction de la lumière arrivant d'une source lumineuse indépendante, p. ex. commutation, ouverture de porte ou modulationOptique non linéaire pour la commande de la position ou de la direction des rayons lumineux, c.-à-d. déflexion
A safety assembly for use with a laser-directed energy weapon is disclosed. The assembly comprises a control system comprising a photodetector and a processing unit; and an optical device configured to attach to a target such that, when attached, the optical device provides a light beam to the photodetector. The processing unit is arranged to compare the received light beam against one or more predetermined attributes, and to permit the laser-directed energy weapon to fire only when the received light beam is determined to have the one or more attributes.
A safety assembly for use with a laser-directed energy weapon is disclosed. The assembly comprises a control system comprising a photodetector and a processing unit; and an optical device configured to attach to a target such that, when attached, the optical device provides a light beam to the photodetector. The processing unit is arranged to compare the received light beam against one or more predetermined attributes, and to permit the laser-directed energy weapon to fire only when the received light beam is determined to have the one or more attributes.
F41A 17/06 - Sûretés électriques ou électromécaniques
F41A 17/08 - Mécanismes de sûreté, p. ex. sûretés pour empêcher le tir dans une direction prédéterminée, p. ex. le tir sur une personne amie ou le tir sur une aire protégée
F41A 33/02 - Armes émettant une projection lumineuse ou un rayonnement
F41G 3/26 - Appareils d'instruction ou d'entraînement pour le pointage
F41H 13/00 - Moyens d'attaque ou de défense non prévus ailleurs
F41J 2/02 - Cibles actives émettant des rayonnements infrarouges
The present disclosure comprises an evaporative cooling assembly (200) for cooling an apparatus (220), and a method for cooling an apparatus (220). The evaporative cooling assembly comprises a refrigerant tank (202), the refrigerant tank (202) containing refrigerant (204). The apparatus also comprises a first evaporator (210) configured to be positioned proximal to the apparatus (220), and a second evaporator (216) positioned to cool the refrigerant tank (202). Each of the first evaporator (210) and the second evaporator (216) are in fluid communication with the refrigerant tank (202), and the second evaporator (216) is positioned downstream of the first evaporator (210). The method for cooling a heated apparatus (220) comprises passing a refrigerant (204) from a refrigerant tank (202) to a first evaporator (210), which is located proximal to the apparatus (220). At least part of the refrigerant is evaporated, and then passed to a second evaporator (216), which is positioned to cool the refrigerant tank (202).
F25B 5/04 - Machines, installations ou systèmes à compression, avec plusieurs circuits d'évaporateurs, p. ex. pour faire varier la puissance frigorifique disposés en série
F25D 31/00 - Autres appareils de refroidissement ou de congélation
F25B 19/00 - Machines, installations ou systèmes utilisant l'évaporation d'un frigorigène mais sans récupération de vapeur
A cover for an intake of an air-breathing engine in a missile is disclosed. The cover comprises a motive arrangement operable to move from a first configuration in which the cover is lockable to a missile, to a second configuration in which the cover is pushed outwardly from the missile. In the first configuration, the surface of the cover is flush with the surface of the missile and the motive arrangement is located inwardly of the cover surface. A missile provided with such a cover is also disclosed.
B64D 33/02 - Aménagement sur les aéronefs des éléments ou des auxiliaires des ensembles fonctionnels de propulsion, non prévu ailleurs des entrées d'air de combustion
The invention provides an exhaust nozzle assembly 200 for an air vehicle, comprising an assembly body 202, defining one or more openings 300 for receiving exhaust, and a plurality of nozzles 210a, 210b, 210c, 210d, each nozzle being arranged to receive exhaust gases at an entrance 240 of the nozzle, and exhaust those exhaust gases from an exit 250 of the nozzle, wherein at least one of the plurality of nozzles is rotatably mounted to the assembly body and rotatable with respect to the assembly body between a first position 214 and a second position 217, wherein a variation of the angle 216 of a nozzle axis at the exit of the rotatably mounted nozzle, between the first and second positions, is at least 25 degrees. The invention also provides other exhaust nozzle assemblies, air vehicles and methods of manufacturing or controlling an air vehicle.
F02K 9/84 - Moteurs-fusées, c.-à-d. ensembles fonctionnels portant à la fois le combustible et son oxydantLeur commande caractérisés par la commande de la poussée ou du vecteur poussée utilisant des tuyères mobiles
F02K 9/88 - Moteurs-fusées, c.-à-d. ensembles fonctionnels portant à la fois le combustible et son oxydantLeur commande caractérisés par la commande de la poussée ou du vecteur poussée utilisant des tuyères de fusées auxiliaires
F42B 10/66 - Pilotage par variation de l'intensité ou de la direction de la poussée
76.
METHOD OF CONTROLLING SELF-PROPELLED FLYING DEVICES
A method of controlling a self-propelled flying device that seeks a target. A desired time to reach the target is obtained. The position of the target is acquired. A bias value is calculated, and the flight of the device towards the target is adjusted for a period of time using the bias value. The bias value is calculated so that the device reaches the target at the desired time.
A countermeasure (200) for use against a vehicle having an electric motor comprising at least one magnet. The countermeasure (200) comprises an ejection system (205) comprising a plurality of pieces of magnetic material (203). The ejection system (205) is configured to release the plurality of pieces (203) in response to receipt of a trigger signal (209). Also a method of disrupting the operation of a vehicle having an electric motor comprising at least one magnet using an ejection system (205) containing a plurality of pieces (203) of magnetic material. The method comprises detecting the vehicle; receiving, at the dispersal system, a trigger signal (209); in response to the receipt of the trigger signal (209), the ejection system (205) releasing the plurality of pieces (203); some of the plurality of pieces (203) being attracted to the magnet, sticking to the magnet, and thereby obstructing the motor.
F42B 12/56 - Projectiles ou mines caractérisés par la charge militaire, l'effet recherché ou le matériau caractérisés par la nature de la charge militaire ou par l'effet recherché pour libérer des matériaux, des corps ou des particulesProjectiles ou mines caractérisés par la charge militaire, l'effet recherché ou le matériau caractérisés par la nature de la charge militaire ou par l'effet recherché pour produire une réaction chimique ou physiqueProjectiles ou mines caractérisés par la charge militaire, l'effet recherché ou le matériau caractérisés par la nature de la charge militaire ou par l'effet recherché pour la signalisation pour la libération de corps solides individuels
F42B 12/50 - Projectiles ou mines caractérisés par la charge militaire, l'effet recherché ou le matériau caractérisés par la nature de la charge militaire ou par l'effet recherché pour libérer des matériaux, des corps ou des particulesProjectiles ou mines caractérisés par la charge militaire, l'effet recherché ou le matériau caractérisés par la nature de la charge militaire ou par l'effet recherché pour produire une réaction chimique ou physiqueProjectiles ou mines caractérisés par la charge militaire, l'effet recherché ou le matériau caractérisés par la nature de la charge militaire ou par l'effet recherché pour la signalisation pour libérer des gaz, des vapeurs, des poudres ou des substances qui sont chimiquement réactifs par dispersion
F41H 11/02 - Installations ou systèmes de défense anti-aérienne ou antimissiles
An acousto-optic device is disclosed. The device comprises: an optically transmissive element to receive a beam of light at an input surface, the beam being received from a direction defining an optical axis; a set of acoustic transducers spaced around the element; and a controller operable to activate the transducers to generate an acoustic wave travelling through the device to intersect with the optical axis. The controller is further operable to selectively activate a first subset of the set of transducers such that the acoustic wave propagates in a selected direction. Each of the set of acoustic transducers is differently orientated such that the selected direction is controllable through the selection of first subset of transducers from the set of transducers, and the device is thereby operable to control the direction in which the beam of light is deflected in two dimensions. A method of operating the device is also disclosed.
There is disclosed a missile comprising an outer skin, an electronics unit, and a thermal link between the electronics unit and the outer skin. The thermal link comprises a jumping drop vapour chamber arranged such that, when the outer skin is at an elevated temperature relative to the electronics unit, the electronics unit is thermally insulated from the outer skin; and such that, when the outer skin is at a lower temperature relative to the electronics unit, the electronics unit is thermally linked to the outer skin.
A circuit assembly (200) is disclosed comprising a substrate (210) and conducting layers (250) on opposing sides of the substrate (210), there being at least one via (220) through the substrate (210), which via (220) forms a conductive path between the conducting layers, wherein the substrate (210) is a foam substrate, and wherein the via (220) is provided with a solid dielectric lining (270) plated with a conducting material (250).
The invention relates to a method of determining the relative positions of components of a munitions system, the munitions system comprising a first component (331) and at least one second component (333). The method comprises monitoring the output of a resonant circuit (305) provided on a first component (331), the resonant circuit (305) having a resonant frequency, detecting a change in the output due to a change in the resonant frequency caused by a change in the relative positions of the first component (331) and the at least one second component (333), and using the detected change to determine that the at least one second component (333) has moved relative to the first component (331).
G01V 3/10 - Prospection ou détection électrique ou magnétiqueMesure des caractéristiques du champ magnétique de la terre, p. ex. de la déclinaison ou de la déviation fonctionnant au moyen de champs magnétiques ou électriques produits ou modifiés par les objets ou les structures géologiques, ou par les dispositifs de détection en utilisant des cadres inducteurs
09 - Appareils et instruments scientifiques et électriques
13 - Armes à feu; explosifs
Produits et services
Electronic control, observation, monitoring and checking systems and apparatus, in particular for missiles; Radar apparatus; Radar detectors; Shipboard radars and components; Data processing apparatus; Sensors, electronic sensors; Electronic and optoelectronic apparatus for the processing, reception and transfer of data; Electronic apparatus for the remote control of signals; Telecommunication apparatus; Computer software; Software. Missiles and corresponding weapon systems, at the exclusion of firearms and firearm ammunition.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Radar apparatus; radar detectors; electronic-scanning radar for target detection; electro-optical apparatus for tracking, classification and directional radio frequency (RF) inhibition capability; electronic control, observation, monitoring and checking systems and apparatus; sensors, electronic sensors; smart-sensor and effector package; electronic and optoelectronic apparatus for the processing, reception and transfer of data; electronic apparatus for the remote control of signals; all of the aforesaid being intended for military and civilian security markets for the detection, identification, tracking and neutralization of rogue or threatening drones, also referred to as unmanned-air systems (UASs).
A mission planning method for use with a weapon is disclosed. The method comprises: obtaining a first training data set describing the performance of the weapon; using the first training data set and a Gaussian Process (GP) or Neural Network to obtain a first surrogate model giving a functional approximation of the performance of the weapon; and providing the first surrogate model to a weapons system for use in calculating a performance characteristic of the weapon during combat operations.
G06G 7/80 - Calculateurs analogiques pour des procédés, des systèmes ou des dispositifs spécifiques, p. ex. simulateurs pour le pointage d'armesCalculateurs analogiques pour des procédés, des systèmes ou des dispositifs spécifiques, p. ex. simulateurs pour le lancement de bombesCalculateurs analogiques pour des procédés, des systèmes ou des dispositifs spécifiques, p. ex. simulateurs pour le guidage de missiles
F41G 7/00 - Systèmes de commande de guidage pour missiles autopropulsés
A cover for an intake of an air-breathing engine in a missile is disclosed. The cover comprises a closure for closing the inlet so as to prevent ingress of debris; and a fastening attachable to an aircraft-mounted launcher and configured such that the cover remains attached to the aircraft on launch of the missile.
F02C 7/055 - Entrées d'air pour ensembles fonctionnels de turbines à gaz ou de propulsion par réaction comportant des dispositifs pour empêcher la pénétration d'objets ou de particules endommageantes comportant des grilles, des écrans ou des dispositifs protecteurs
F02K 9/78 - Moteurs-fusées, c.-à-d. ensembles fonctionnels portant à la fois le combustible et son oxydantLeur commande combinés avec un autre ensemble fonctionnel à propulsion par réaction avec un ensemble fonctionnel de propulsion par réaction alimenté par de l'air ambiant
F02C 7/05 - Entrées d'air pour ensembles fonctionnels de turbines à gaz ou de propulsion par réaction comportant des dispositifs pour empêcher la pénétration d'objets ou de particules endommageantes
There is disclosed a device for determining a strength of an oscillating electric field. The device comprises an absorber to absorb radiation at the frequency of the oscillating electric field, and a thermal insulator transparent to radiation at the frequency of the oscillating electric field, which thermal insulator is arranged to thermally insulate the absorber. The device also comprises a first temperature sensor arranged to measure the temperature of the absorber, and a second temperature sensor arranged to measure the temperature external to the thermal insulator. Methods of measuring electric field using such a device, and methods of calibrating such a device, are also disclosed.
An inductive power transfer system (1) for coupling a power source to a load across an air gap (11) is disclosed. The system (1) comprises a primary unit (3) associated with a host platform and a secondary unit (5) arranged to receive power transmitted inductively from the primary unit (3). The primary unit (3) includes a phase detection circuit (21) configured to detect phase changes in a signal in the primary unit (3) indicative of changes in an operating condition within the secondary unit (5), and a drive circuit (17). The drive circuit (17) is configured to adjust the power level transmitted to the secondary unit (5) depending on the detected phase.
H02J 50/12 - Circuits ou systèmes pour l'alimentation ou la distribution sans fil d'énergie électrique utilisant un couplage inductif du type couplage à résonance
H02J 50/80 - Circuits ou systèmes pour l'alimentation ou la distribution sans fil d'énergie électrique mettant en œuvre l’échange de données, concernant l’alimentation ou la distribution d’énergie électrique, entre les dispositifs de transmission et les dispositifs de réception
H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
88.
Structure for controlling the aero-acoustic environment in an aircraft weapons bay
An aircraft comprises a weapons bay, the weapons bay comprising a cavity having an opening through which stores may be deployed, and a door assembly for exposing/closing the opening of the cavity. A first store is held in the cavity via a launcher and a first structure is disposed inside the cavity, for controlling the aero-acoustic environment. The first structure for controlling the aero-acoustic environment is removeably mounted in the weapons bay, such that if the first store is exchanged for a second, different, store, the structure for controlling the aero-acoustic environment may be unmounted from the weapons bay and removed, to be exchanged for a second, different, structure for controlling the aero-acoustic environment.
A method of operating a carriage store (420), mounted on a platform (410), comprising communicating between the carriage store (420) and the platform (410) using Zenneck surface waves (460). A carriage store (420) is also described for mounting on a platform (410), the carriage store (420) including a transmitter (430a and 430b) and/or receiver (430a and 430b) configured to communicate with the platform (410) using Zenneck surface waves (460).
B64D 1/10 - Arrimage de ces dispositifs sur aéronefs
B64D 7/02 - Agencement à bord aéronefs des équipements militaires, p. ex. des armes, des accessoires d'armement ou des blindages de protectionAdaptations des installations d'armement aux aéronefs les armes étant des armes à feu
H04B 5/00 - Systèmes de transmission en champ proche, p. ex. systèmes à transmission capacitive ou inductive
90.
Structure for controlling the aero-acoustic environment in an aircraft weapons bay
An aircraft comprises a weapons bay, the weapons bay comprising a cavity having an opening through which stores may be deployed, and a door assembly for exposing/closing the opening of the cavity. A first store is held in the cavity via a launcher and a first structure is disposed inside the cavity, for controlling the aero-acoustic environment. The first structure for controlling the aero-acoustic environment is removeably mounted in the weapons bay, such that if the first store is exchanged for a second, different, store, the structure for controlling the aero-acoustic environment may be unmounted from the weapons bay and removed, to be exchanged for a second, different, structure for controlling the aero-acoustic environment.
An imaging device and a method of imaging are disclosed. The device includes an array of liquid crystal cells, each providing a phase shift to electromagnetic radiation passing through the cell; control electronics for controlling the phase shifts provided by each of the liquid crystal cells; a detector; and an image processor for generating an image from electromagnetic radiation detected by the detector. The array of cells form a plurality of patches; and the control electronics is configured to control the phase shifts of the cells of each patch to form each patch into a respective lens that focuses electromagnetic radiation towards the detector such that the patches form an array of lenses. A method of imaging is also disclosed.
G03B 3/00 - Dispositions pour la mise au point présentant un intérêt général pour les appareils photographiques, les appareils de projection ou les tireuses
G02F 1/29 - Dispositifs ou dispositions pour la commande de l'intensité, de la couleur, de la phase, de la polarisation ou de la direction de la lumière arrivant d'une source lumineuse indépendante, p. ex. commutation, ouverture de porte ou modulationOptique non linéaire pour la commande de la position ou de la direction des rayons lumineux, c.-à-d. déflexion
An interferometric position sensor for sensing the position of an object is disclosed. The position sensor comprises a light source arranged to emit light, a beam splitter, and a detector array. The beam splitter is arranged to split the light between first and second optical paths, which are configured such that the split light is recombined so as to form an optical interference pattern dependent on the difference between the optical path lengths of the first and second optical paths. The detector array is arranged to measure the intensity of at least a part of the optical interference pattern. At least one of the first and second optical path lengths is arranged to be dependent on the position of the object, such that changes in the optical interference pattern can be related to changes in the position of the object.
G01B 11/26 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des angles ou des cônesDispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour tester l'alignement des axes
G01D 5/26 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensibleMoyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminéTransducteurs non spécialement adaptés à une variable particulière utilisant des moyens optiques, c.-à-d. utilisant de la lumière infrarouge, visible ou ultraviolette
A cover for an intake of an air-breathing engine in a missile is disclosed. The cover comprises a motive arrangement operable to move from a first configuration in which the cover is lockable to a missile, to a second configuration in which the cover is pushed outwardly from the missile. In the first configuration, the surface of the cover is flush with the surface of the missile and the motive arrangement is located inwardly of the cover surface. A missile provided with such a cover is also disclosed.
B64D 33/00 - Aménagement sur les aéronefs des éléments ou des auxiliaires des ensembles fonctionnels de propulsion, non prévu ailleurs
B64D 33/02 - Aménagement sur les aéronefs des éléments ou des auxiliaires des ensembles fonctionnels de propulsion, non prévu ailleurs des entrées d'air de combustion
F02C 7/042 - Entrées d'air pour ensembles fonctionnels de turbines à gaz ou de propulsion par réaction à géométrie variable
F42B 10/32 - Dispositions pour réduire ou augmenter la portéeMoyens pour freiner la chute de projectiles
A cover for an intake of an air-breathing engine in a missile is disclosed. The cover comprises a motive arrangement operable to move from a first configuration in which the cover is lockable to a missile, to a second configuration in which the cover is pushed outwardly from the missile. In the first configuration, the surface of the cover is flush with the surface of the missile and the motive arrangement is located inwardly of the cover surface. A missile provided with such a cover is also disclosed.
F02C 7/042 - Entrées d'air pour ensembles fonctionnels de turbines à gaz ou de propulsion par réaction à géométrie variable
B64D 33/00 - Aménagement sur les aéronefs des éléments ou des auxiliaires des ensembles fonctionnels de propulsion, non prévu ailleurs
B64D 33/02 - Aménagement sur les aéronefs des éléments ou des auxiliaires des ensembles fonctionnels de propulsion, non prévu ailleurs des entrées d'air de combustion
A circuit assembly (200) is disclosed comprising a substrate (210) and conducting layers (250) on opposing sides of the substrate (210), there being at least one via (220) through the substrate (210), which via (220) forms a conductive path between the conducting layers, wherein the substrate (210) is a foam substrate, and wherein the via (220) is provided with a solid dielectric lining (270) plated with a conducting material (250).
Missiles; missile launchers; firing stands and mounts for
missiles and rockets; payload and release devices for the
above-mentioned goods; torpedoes, torpedo carriers; homing
missile guidance devices; components of missiles,
torpedoes, torpedo carriers.
A cover for an intake of an air-breathing engine in a missile is disclosed. The cover comprises a closure for closing the inlet so as to prevent ingress of debris; and a fastening attachable to an aircraft-mounted launcher and configured such that the cover remains attached to the aircraft on launch of the missile.
F02K 9/78 - Moteurs-fusées, c.-à-d. ensembles fonctionnels portant à la fois le combustible et son oxydantLeur commande combinés avec un autre ensemble fonctionnel à propulsion par réaction avec un ensemble fonctionnel de propulsion par réaction alimenté par de l'air ambiant
F02C 7/055 - Entrées d'air pour ensembles fonctionnels de turbines à gaz ou de propulsion par réaction comportant des dispositifs pour empêcher la pénétration d'objets ou de particules endommageantes comportant des grilles, des écrans ou des dispositifs protecteurs
A mission planning method for use with a weapon is disclosed. The method comprises:obtaining a first training data set describing the performance of the weapon; using the first training data set and a Gaussian Process (GP) or Neural Network to obtain a first surrogate model giving a functional approximation of the performance of the weapon; and providing the first surrogate model to a weapons system for use in calculating a performance characteristic of the weapon during combat operations.
A mission planning method for use with a weapon is disclosed. The method comprises:obtaining a first training data set describing the performance of the weapon; using the first training data set and a Gaussian Process (GP) or Neural Network to obtain a first surrogate model giving a functional approximation of the performance of the weapon; and providing the first surrogate model to a weapons system for use in calculating a performance characteristic of the weapon during combat operations.
