A transmission device for performing information communication with one or more reception devices includes a communication history information storage unit configured to store communication history information in which a communication parameter for performing the information communication is associated with a deterioration rate that is a value based on radio waves transmitted using the communication parameter when information is transmitted to the reception device and radio waves received from the reception device, a calculation unit configured to calculate the communication parameter when communication with the reception device is performed on the basis of the stored communication history information, and an output unit configured to output the calculated communication parameter.
This bioelectric potential measurement device is provided with: an electrode sheet that acquires a biological signal; a device having a contact part that connects to the electrode sheet; and a connection member that sandwiches the electrode sheet between the connection member and the device and thereby connects the electrode sheet to the contact part. The connection member has a fitting part that fits to the device, and the electrode sheet has a shape corresponding to the fitting part.
This nasal respiration measurement device is provided with: a base material in which a measurement flow path that is in fluid communication with the nostrils of a user is formed so as to penetrate therethrough; and a pressure resistance part that protrudes from the inner wall surface of the measurement flow path.
An electric wave transmission device includes an electronic device having a circuit board on which an electric wave transmission circuit is formed and a dielectric layer, in which the electric wave transmission circuit has a high frequency control unit, a feeder line, and an antenna, the high frequency control unit supplies a high-frequency signal in one or more frequency bands to the antenna via the feeder line, the feeder line and the antenna are covered with the dielectric layer, the dielectric layer protects the electric wave transmission device such that the electric wave transmission device is in a usable state while being in contact with water, sea water, an electrolytic solution, or a substance or a tissue containing a certain amount of moisture, and a wiring length of the feeder line is equal to or less than 35 mm.
This biological monitoring device is provided with a sensor unit substrate on which one sensor or a plurality of sensors are mounted and a control unit substrate on which a power supply, a control unit and a storage unit are mounted. The sensor unit substrate has a sensor-mounted region in which the sensor is mounted and an extraction region including a power supply line and a signal line between the control unit substrate and the sensor unit substrate, and the sensor-mounted region is embedded in a living body.
A61B 5/00 - Mesure servant à établir un diagnostic Identification des individus
A61B 5/02 - Détection, mesure ou enregistrement en vue de l'évaluation du système cardio-vasculaire, p. ex. mesure du pouls, du rythme cardiaque, de la pression sanguine ou du débit sanguin
A61B 5/11 - Mesure du mouvement du corps entier ou de parties de celui-ci, p. ex. tremblement de la tête ou des mains ou mobilité d'un membre
6.
ELECTRONIC CIRCUIT, ELECTRONIC DEVICE, AND WIRELESS COMMUNICATION DEVICE
The present invention comprises: a first switch that comprises a first terminal to which a power source is connected, a second terminal, and a control input terminal, wherein, when a negative voltage which exceeds a prescribed threshold voltage with respect to a power supply voltage applied to the first terminal of the switch has been applied to the control input terminal of the switch, the switch electrically connects the first terminal of the switch and the second terminal of the switch; and a photovoltaic element that is connected in the forward direction between the power source and the control input terminal of the first switch and that uses photovoltaic force generated by irradiation with light to apply, to the control input terminal of the first switch, the negative voltage which exceeds the prescribed threshold voltage of the first switch with respect to the power supply voltage.
H03K 17/78 - Commutation ou ouverture de porte électronique, c.-à-d. par d'autres moyens que la fermeture et l'ouverture de contacts caractérisée par l'utilisation de composants spécifiés par l'utilisation, comme éléments actifs, de dispositifs opto-électroniques, c.-à-d. des dispositifs émetteurs de lumière et des dispositifs photo-électriques couplés électriquement ou optiquement
H03K 17/689 - Commutation ou ouverture de porte électronique, c.-à-d. par d'autres moyens que la fermeture et l'ouverture de contacts caractérisée par l'utilisation de composants spécifiés par l'utilisation, comme éléments actifs, de dispositifs à semi-conducteurs les dispositifs étant des transistors à effet de champ avec une isolation galvanique entre le circuit de commande et le circuit de sortie
Provided is a transmission device which performs information communication with at least one reception device, said transmission device comprising: a communication history information acquisition unit for acquiring communication history information in which are associated a communication parameter that is for performing the information communication and a degradation ratio that is a value based on radio waves transmitted using the communication parameter when transmitting information to the reception device and radio waves received from the reception device; a calculation unit for calculating, on the basis of the acquired communication history information, the value of the communication parameter including a second parameter and a third parameter such that a first parameter, which is a value obtained as a result of the information communication, is substantially constant; and an output unit for outputting the calculated communication parameter. The second parameter and the third parameter both relate to the information communication.
H04W 28/18 - Négociation des paramètres de télécommunication sans fil
H04W 52/24 - Commande de puissance d'émission [TPC Transmission power control] le TPC étant effectué selon des paramètres spécifiques utilisant le rapport signal sur parasite [SIR Signal to Interference Ratio] ou d'autres paramètres de trajet sans fil
H04W 84/10 - Réseaux à petite échelleRéseaux faiblement hiérarchisés
A biological movement measurement device according to the present invention comprises: one or more magnetic generators placed at a first site in a living body; one or more magnetic field sensors that are placed at another site different from the first site in the living body, and measure the magnetic field generated by each magnetic generator by means of two or more orthogonal measurement axes; and a signal processing unit that calculates the relative positions of each magnetic field generator and each magnetic field sensor on the basis of the magnetic field measured by each magnetic field sensor.
This decorative component has a cuprous-oxide-containing oxide layer on the surface thereof, the oxide layer being substantially free of air bubbles. This method for producing the decorative component includes heating, to 700-900°C, a component precursor in which all or part of the surface is formed from copper at an oxygen partial pressure of 1300 Pa or less and a feed rate of 50 mL/min or less in an electric furnace, and then cooling the component precursor to form the oxide layer.
C23C 8/12 - Oxydation au moyen de l'ozone ou de l'oxygène
A44C 5/00 - BraceletsBracelets pour montresLeurs systèmes de fixation
C22F 1/00 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid
C22F 1/08 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid du cuivre ou de ses alliages
This electronic circuit comprises: a load; a load switch for switching a connection state between a power source and the load to either of a conductive state or a non-conductive state; a first power conversion circuit for outputting first DC power on the basis of first power obtained by a first electric wave received by a first antenna; a second power conversion circuit for outputting second DC power on the basis of second power obtained by a second electric wave received by a second antenna; and a control circuit having a first input terminal, a second input terminal, and an output terminal which makes the load switch conductive when the first DC power is input to the first input terminal, and makes the load switch non-conductive when the second DC power is input to the second input terminal. The load switch is controlled to maintain the conductive state even if the second electric wave is received by the second antenna when the load switch is in the conductive state.
H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
H04B 1/38 - Émetteurs-récepteurs, c.-à-d. dispositifs dans lesquels l'émetteur et le récepteur forment un ensemble structural et dans lesquels au moins une partie est utilisée pour des fonctions d'émission et de réception
11.
METHOD FOR MANUFACTURING ELECTROCHEMICAL CELL AND ELECTROCHEMICAL CELL
The present invention provides an electrochemical cell comprising a positive electrode layer (20) including a positive electrode active material, a negative electrode layer (30) including a negative electrode active material, and a solid electrolyte layer (10) including a solid electrolyte. The solid electrolyte layer (10) is positioned between the positive electrode layer (20) and the negative electrode layer (30), the solid electrolyte layer (10) has a positive electrode recess (11) that opens to the positive electrode layer (10) side and the positive electrode layer (20) enters thereinto, and the solid electrolyte layer (10) has a negative electrode recess (15) that opens to the negative electrode layer (30) side and the negative electrode layer (30) enters thereinto. The positive electrode recess (11) and the negative electrode recess (15) are skewed in the surface direction of the solid electrolyte layer (10).
H01M 10/0585 - Structure ou fabrication d'accumulateurs ayant uniquement des éléments de structure plats, c.-à-d. des électrodes positives plates, des électrodes négatives plates et des séparateurs plats
A communications device that comprises: a state storage unit that stores state information that is obtained at a specific moment, from among information that changes in accordance with at least either the position of the device or time; an internal state storage unit that associates, and stores, as internal state information, the state information and information used to calculate communications parameters that are used when performing information communication; a calculation unit that calculates the communications parameters on the basis of the state information stored in the state storage unit and on the basis of the internal state information stored in the internal state storage unit; and an output unit that outputs the calculated communications parameters.
This communication device comprises: an internal state acquisition unit that acquires, from a first device different from the communication device, internal state information indicating the internal state of the first device; an internal state storage unit that stores the acquired internal state information; a calculation unit that performs a process based on the stored internal state information; and an internal state output unit that outputs, at a prescribed succeeding timing, the internal state information stored in the internal state storage unit to a second device different from the first device.
This living-body monitoring device comprises: an electronic apparatus including a circuit substrate; and a living-body wearing instrument that fixes or seals the electronic apparatus. The circuit substrate has mounted thereon a control unit, a battery, and an antenna. The circuit substrate has length-direction dimensions and width-direction dimensions, and comprises at least one copper foil pattern layer. The antenna is disposed on one length-direction end of the circuit substrate.
H01Q 1/24 - SupportsMoyens de montage par association structurale avec d'autres équipements ou objets avec appareil récepteur
A61B 5/11 - Mesure du mouvement du corps entier ou de parties de celui-ci, p. ex. tremblement de la tête ou des mains ou mobilité d'un membre
A61C 7/00 - Orthodontie, c.-à-d. obtention ou maintien de la position désirée des dents, p. ex. par redressage, nivellement, ajustement, séparation, ou par correction des malocclusions
A61C 8/00 - Moyens destinés à être fixés à l'os de la mâchoire pour consolider les dents naturelles ou pour y assujettir des prothèses dentairesImplants dentairesOutils pour l'implantation
A61C 13/00 - Prothèses dentairesLeurs procédés de fabrication
A61C 19/04 - Instruments de mesure spécialement adaptés à la technique dentaire
H01Q 9/30 - Antennes résonnantes avec alimentation à l'extrémité d'un élément actif allongé, p. ex. unipôle
H01Q 23/00 - Antennes comportant des circuits ou des éléments de circuit actifs qui leur sont intégrés ou liés
15.
TRANSMISSION DEVICE, COMMUNICATION SYSTEM, TRANSMISSION METHOD, AND PROGRAM
A transmission device for performing information communication with one or more reception devices, the transmission device comprising: a communication history information storage unit for storing communication history information in which a communication parameter for performing the information communication is associated with a degradation ratio that is a value based on radio waves transmitted using the communication parameter when information is transmitted to the reception device, and radio waves received from the reception device; a computation unit for computing, on the basis of the stored communication history information, the communication parameter for when performing communication with the reception device; and an output unit for outputting the computed communication parameter.
There are provided a sensor data collection device, a sensor data collection system, and a method of collecting sensor data capable of reducing a drain of a battery due to standby power. The sensor data collection device includes a power supply, a power supply control circuit configured to control the power supply, a sensor configured to perform sensing to thereby obtain data, a memory configured to store the data obtained by the sensor, and a control circuit configured to control the power supply control circuit, the sensor, and the memory. The power supply control circuit supplies the sensor, the memory, and the control circuit with electrical power supplied by the power supply, and the control circuit makes the transition to any one of a plurality of operating states, and makes the power supply control circuit shut off the electrical power supplied by the power supply after a first operating state is completed and before the transition to a second operating state is made wherein the first operating state and the second operating state are included in the plurality of operating states.
G06F 1/32 - Moyens destinés à économiser de l'énergie
G06F 1/3225 - Surveillance de dispositifs périphériques de mémoires
G06F 1/3287 - Économie d’énergie caractérisée par l'action entreprise par la mise hors tension d’une unité fonctionnelle individuelle dans un ordinateur
17.
ELECTRIC WAVE TRANSMISSION DEVICE AND WIRELESS COMMUNICATION SYSTEM
This electric wave transmission device comprises: an electronic instrument having a circuit board on which an electric wave transmission circuit is formed; and a dielectric layer. The electric wave transmission circuit has a high-frequency control unit, a feeder line, and an antenna. The high-frequency control unit feeds a high-frequency signal in one or more frequency bands through the feeder line to the antenna. The feeder line and the antenna are covered with the dielectric layer. The dielectric layer protects the electric wave transmission device in a usable state in a state of being in contact with water, sea water, an electrolytic solution, or a substance or a tissue containing a certain quantity of moisture. The wiring length of the feeder line is equal to or less than 35 mm.
H04B 13/00 - Systèmes de transmission caractérisés par le milieu utilisé pour la transmission, non prévus dans les groupes
A61B 1/00 - Instruments pour procéder à l'examen médical de l'intérieur des cavités ou des conduits du corps par inspection visuelle ou photographique, p. ex. endoscopesDispositions pour l'éclairage dans ces instruments
H01Q 1/04 - Adaptation aux usages souterrains ou subaquatiques
H01Q 1/40 - Éléments rayonnants recouverts avec, ou enrobés d'une matière protectrice
H01Q 1/42 - Enveloppes non intimement mécaniquement associées avec les éléments rayonnants, p. ex. radome
H01Q 9/30 - Antennes résonnantes avec alimentation à l'extrémité d'un élément actif allongé, p. ex. unipôle
According to the present invention, an optical latch circuit includes a voltage detector configured to compare a first power generation voltage input from a first input terminal with a preset first threshold voltage and output a set signal from a determination output terminal when the first power generation voltage exceeds the first threshold voltage, a first photovoltaic element connected between the first input terminal and a grounding point in a forward direction and configured to output a first power generation voltage to the first input terminal according to photovoltaic power when light is radiated, and a feedback resistor inserted between the first input terminal and the determination output terminal.
H03K 3/42 - Générateurs caractérisés par le type de circuit ou par les moyens utilisés pour produire des impulsions par l'utilisation, comme éléments actifs, de dispositifs opto-électroniques, c.-à-d. de dispositifs émetteurs de lumière et de dispositifs photo-électriques couplés électriquement ou optiquement
An intraoral biological monitoring device includes a sensor, a communication unit that is configured to perform communication in response to an operation in which a signal is input to the sensor, and a mouthpiece that holds the sensor and the communication unit, and is attached to a crown of a subject to cover at least a part of a gum of the subject.
A biological monitoring device includes a sensor included in a sensor device, performing a detection process of detecting a medical condition in a body of a patient, and performing a process of generating first detection data indicating a result of the detection process, a generation unit indicating contents related to the detection process, and performing a process of generating second detection data having a smaller data volume than the first detection data, on the basis of the first detection data, a communication unit realized by the sensor device, and performing a process of transmitting the second detection data to a terminal associated with the patient, and a control unit that is configured to cause the communication unit to perform the process of transmitting the second detection data to the terminal, when it is determined that the sensor device exists in the body of the patient.
A61B 5/00 - Mesure servant à établir un diagnostic Identification des individus
H04Q 9/00 - Dispositions dans les systèmes de commande à distance ou de télémétrie pour appeler sélectivement une sous-station à partir d'une station principale, sous-station dans laquelle un appareil recherché est choisi pour appliquer un signal de commande ou pour obtenir des valeurs mesurées
A biological monitoring device includes a sensor included in a sensor device, performing a detection process of detecting a medical condition of a patient, and performing a process of generating first detection data indicating a result of the detection process, a generation unit realized by the sensor device, indicating contents related to the detection process, and performing a process of generating second detection data having a smaller data volume than the first detection data, on the basis of the first detection data, and a communication unit realized by the sensor device, and performing a process of transmitting the second detection data to a terminal associated with the patient.
H04Q 9/00 - Dispositions dans les systèmes de commande à distance ou de télémétrie pour appeler sélectivement une sous-station à partir d'une station principale, sous-station dans laquelle un appareil recherché est choisi pour appliquer un signal de commande ou pour obtenir des valeurs mesurées
A61B 5/00 - Mesure servant à établir un diagnostic Identification des individus
22.
Intraoral sensing system and intraoral sensing method
The present intraoral sensing system which is configured to sense a biological information using a sensor module installed in an oral cavity, including a sensor module installed in an oral cavity of a patient and configured to store data acquired when the biological information is sensed, a storage configured to acquire the data and an identification information of the patient stored by the sensor module, associate the acquired data with the identification information of the patient, and store the association, a terminal apparatus for a dentist configured to analyze the data stored in the storage for each of the identification information of the patient, and a terminal apparatus for a doctor configured to acquire the data associated with a patient who has a developed disease among the data of patients stored in the storage, from the terminal apparatus for a dentist.
A61B 5/1455 - Mesure des caractéristiques du sang in vivo, p. ex. de la concentration des gaz dans le sang ou de la valeur du pH du sang en utilisant des capteurs optiques, p. ex. des oxymètres à photométrie spectrale
H04Q 9/00 - Dispositions dans les systèmes de commande à distance ou de télémétrie pour appeler sélectivement une sous-station à partir d'une station principale, sous-station dans laquelle un appareil recherché est choisi pour appliquer un signal de commande ou pour obtenir des valeurs mesurées
23.
Intraoral sensing apparatus and manufacturing method thereof
The present intraoral sensing apparatus is configured to be installed in an oral cavity, and is provided with an electronic device equipped with electronic components mounted on a circuit board; a first dental resin material which completely covers the electronic device; a second dental resin material which completely covers the first dental resin material; and an intraoral instrument having a first recess in which the electronic device covered with the first dental resin material and the second dental resin material is accommodated.
A61B 5/1455 - Mesure des caractéristiques du sang in vivo, p. ex. de la concentration des gaz dans le sang ou de la valeur du pH du sang en utilisant des capteurs optiques, p. ex. des oxymètres à photométrie spectrale
A61C 13/20 - Méthodes ou dispositifs pour souder, mouler, façonner ou fondre
A61K 6/889 - Ciments à base de polycarboxylateCiments à base de verre ionomère
A convenient electronic circuit in which a switch can be switched through electric power obtained using weak radio waves is provided. An electronic circuit includes: a power supply configured to output direct current (DC) electric power; a switch which switches a connection state between the power supply and a load; a first power conversion circuit which converts electric power obtained using first radio waves received by a first antenna capable of receiving the first radio waves in a first direction into DC electric power and which outputs the converted DC electric power from a first DC power output terminal; a second power conversion circuit which converts electric power obtained using second radio waves received by a second antenna capable of receiving the second radio waves in a second direction different from the first direction into DC electric power and outputs the converted DC electric power from a second DC power output terminal; and a control circuit which controls a connection state of the switch such that it is in a conduction state when the first power conversion circuit outputs DC electric power due to the reception of the first radio waves by the first antenna and controls the connection state of the switch such that it is in a non-conduction state when the second power conversion circuit outputs DC electric power due to the reception of the second radio waves by the second antenna.
H02J 7/02 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries pour la charge des batteries par réseaux à courant alternatif au moyen de convertisseurs
H02J 50/20 - Circuits ou systèmes pour l'alimentation ou la distribution sans fil d'énergie électrique utilisant des micro-ondes ou des ondes radio fréquence
H02J 50/40 - Circuits ou systèmes pour l'alimentation ou la distribution sans fil d'énergie électrique utilisant plusieurs dispositifs de transmission ou de réception
B60R 25/24 - Moyens pour enclencher ou arrêter le système antivol par des éléments d’identification électroniques comportant un code non mémorisé par l’utilisateur
H05K 5/02 - Enveloppes, coffrets ou tiroirs pour appareils électriques Détails
H02M 3/02 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu sans transformation intermédiaire en courant alternatif
25.
Electronic circuit, module, and system for radio wave powered battery switch
A convenient electronic circuit in which a switch is able to be switched through electric power obtained by weak radio waves is provided. An electronic circuit includes: a power supply configured to output direct current (DC) electric power; a switch connected between the power supply and a load driven by DC electric power supplied from the power supply and configured to switch a connection state between the power supply and the load from a non-conduction state to a conduction state; an power input terminal to which electric power obtained by radio waves received by an antenna capable of receiving the radio waves is input; a DC power output terminal configured to output DC electric power, a power conversion circuit configured to convert electric power input to the power input terminal into DC electric power and output the converted electric power from the DC power output terminal; an input terminal connected to the DC power output terminal of the power conversion circuit; an output terminal connected to the switch and configured to control a connection state of the switch; and a control circuit configured to control a connection state of the switch to be in a conduction state when the power conversion circuit outputs DC electric power due to the reception of radio waves by the antenna.
H02J 50/20 - Circuits ou systèmes pour l'alimentation ou la distribution sans fil d'énergie électrique utilisant des micro-ondes ou des ondes radio fréquence
B60R 25/40 - Caractéristiques de l’alimentation électrique du système antivol, p. ex. batteries électriques, alimentation de secours ou moyens d’économiser les batteries
H02J 9/00 - Circuits pour alimentation de puissance de secours ou de réserve, p. ex. pour éclairage de secours
G06K 19/07 - Supports d'enregistrement avec des marques conductrices, des circuits imprimés ou des éléments de circuit à semi-conducteurs, p. ex. cartes d'identité ou cartes de crédit avec des puces à circuit intégré
26.
Biometric information detection device and method of producing the same, biometric information detection module and method of producing the same
A biometric information detection device according to one embodiment of the present disclosure is configured to be installed in a living body, and includes a sensor, a battery, a mechanical switch, a sealing member, and a holding member. The mechanical switch switches between a conduction state in which power is supplied from the battery to the sensor and a cutoff state in which supply of the power is blocked. The sealing member seals all of the sensor, the battery, and the mechanical switch. The holding member is attached to the living body and holds the sealing member.
A61B 5/00 - Mesure servant à établir un diagnostic Identification des individus
A61B 5/1455 - Mesure des caractéristiques du sang in vivo, p. ex. de la concentration des gaz dans le sang ou de la valeur du pH du sang en utilisant des capteurs optiques, p. ex. des oxymètres à photométrie spectrale
A61B 5/024 - Mesure du pouls ou des pulsations cardiaques
A61B 5/145 - Mesure des caractéristiques du sang in vivo, p. ex. de la concentration des gaz dans le sang ou de la valeur du pH du sang
An imaging apparatus is provided, including a blade-driving device and a driving control unit which drives the front curtain actuator and the rear curtain actuator. The front curtain and the rear curtain are positioned at the open position at a time of start and termination of imaging, in which the front curtain moves from the closing position to the open position, and the rear curtain moves from the open position to the closing position, thereby performing an exposure operation. During consecutive photographing, the front curtain positioned at the closing position is moved once in a direction of the open position and is then returned to the closing position after the rear curtain is moved to the open position after termination of the exposure operation, and before a subsequent exposure operation is performed.
There is provided a blade drive device including a substrate that has an opening, a front curtain and a rear curtain that are movable along an opening surface of the opening so as to open and close the opening, a front curtain locking portion that interlocks with opening and closing operations of the front curtain, a rear curtain locking portion that interlocks with opening and closing operations of the rear curtain, and a regulation lever that is configured to be pivotally movable around a lever axis, and that is capable of entry and escape between an entry position which enters each operation trajectory of the front curtain locking portion and the rear curtain locking portion in response to the opening and closing operations of the front curtain and the rear curtain and an escape position escaped from the operation trajectory. The regulation lever has a front curtain regulation portion which can be locked by the front curtain locking portion from one side around the lever axis at the entry position so as to regulate movement of the front curtain in a closing direction, and a rear curtain regulation portion which can be locked by the rear curtain locking portion from the other side around the lever axis at the entry position so as to regulate movement of the rear curtain in a closing direction.
There are provided a blade drive device and an optical instrument. The blade drive device includes a substrate that has an opening, a front curtain and a rear curtain that are movable along an opening surface of the opening so as to open and close the opening, a front curtain locking portion that interlocks with opening and closing operations of the front curtain, a rear curtain locking portion that interlocks with opening and closing operations of the rear curtain, a regulation lever that is configured to be pivotally movable around a lever axis, that enters an operation trajectory of the front curtain locking portion and the rear curtain locking portion, and that is capable of entry and escape between an entry position for regulating the movement of the front curtain and the rear curtain in a closing direction and an escape position escaped from the operation trajectory, a regulation electromagnetic actuator that is configured to be rotatable around a regulation axis, and a linkage lever that causes the regulation lever to pivot around the lever axis in response to the rotation around the regulation axis of the regulation electromagnetic actuator. The regulation lever and the linkage lever engage with each other while being provided with play in a circumferential direction around the regulation axis.
There is provided a blade drive device including a substrate that has an opening, a front curtain and a rear curtain that are movable along an opening surface of the opening so as to open and close the opening, a front curtain electromagnetic actuator that actuates the front curtain, a rear curtain electromagnetic actuator that actuates the rear curtain, and that is capable of holding the rear curtain at an open position in a state having no power supply, a front curtain locking portion that interlocks with opening and closing operations of the front curtain, a rear curtain locking portion that interlocks with opening and closing operations of the rear curtain, and a blade position holding mechanism that is capable of entry and escape between an entry position which enters each operation trajectory of the front curtain locking portion and the rear curtain locking portion in response to the opening and closing operations of the front curtain and the rear curtain and an escape position escaped from the operation trajectory. At the entry position, the blade position holding mechanism can engage with both the front curtain locking portion and the rear curtain locking portion, thereby regulating the movement of the front curtain and the rear curtain in the closing direction.
G02F 1/055 - 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 céramiques ou des cristaux électro-optiques, p. ex. produisant un effet Pockels ou un effet Kerr le matériau actif étant une céramique
G02B 26/00 - Dispositifs ou dispositions optiques pour la commande de la lumière utilisant des éléments optiques mobiles ou déformables
A focal-plane shutter capable of suppressing production of foreign matter is provided. The focal-plane shutter includes a base plate, rear curtain drive arms, a blade that is driven by the rear curtain drive arms, and an elastically deformable cushioning member that comes into contact with the blade that moves from a retracted position to an unfolded position. The blade extends in a first direction. The rear curtain drive arms are swingable around the centers of swing motion provided on one side of the blade in the first direction. The cushioning member has a contact section that comes into contact with a side edge of the blade, a holding section that is arranged on the side opposite the blade with the contact section therebetween, and a connecting section that connects the contact section and the holding section to each other. The connecting section inclines with respect to a second direction perpendicular to the first direction and extends toward the centers of swing motion.
b abut when the blades are housed. The abutting surface 82 is an inclined surface 83 inclined to the bed plate 11 side as it goes from the bed plate 11 side to the blade receiving plate 15 side.
A blade driving device includes: a board including an opening; first and second blades opening and closing the opening; first and second actuators arranged adjacent to each other and respectively driving the first and second blades, and respectively including first and second stators, first and second rotors, and first and second coils; a printed circuit board; and solder portions electrically connecting the first and second coils with the printed circuit board; wherein the solder portions includes: first and second solder portions respectively connecting one end and another end of the first coil with the printed circuit board; and third and fourth solder portions respectively connecting one end and another end of the second coil with the printed circuit board; and the first, second, third, and fourth solder portions face one another.
An image pickup device includes: an image pickup element; a board including an opening through which light entering the image pickup element passes; a shutter opening and closing the opening; an actuator driving the shutter, and including: a rotor; a stator; and first and second coils wound around the stator and not electrically connected to each other; and a drive circuit including plural terminal portions to which the first and second coils are individually connected.
G03B 9/62 - Moyens de faire varier la durée de la période d' "ouverture" de l'obturateur en faisant varier l'intervalle de temps entre la fin du mouvement d'ouverture et le commencement du mouvement de fermeture
H04N 5/235 - Circuits pour la compensation des variations de la luminance de l'objet
A diaphragm device of the present invention includes: a base plate having an aperture portion; a blade being supported by the base plate to be able to open and close the aperture portion; a drive ring being formed so as to surround the perimeter of the aperture portion, the drive ring being configured to drive the blade to open and close; a supporting pin pivotably supporting the blade being provided on the drive ring; and an engaging pin engaging with the blade and causing the blade to open or close in conjunction with the drive ring and the supporting pin, the engaging pin being provided on the base plate on an inner side of the supporting pin in the radial direction of the drive ring.
A blade driving device according to the present invention includes: a substrate having an aperture; a first blade and a second blade which open and close the aperture; a first driving member which drives the first blade; a second driving member which drives the second blade; a first actuator which operates the first driving member; and a second actuator which operates the second driving member, wherein the first actuator and the second actuator extend along a first direction which intersects an axial direction of the aperture on a primary surface of the substrate and are arranged in a second direction which intersects the axial direction and the first direction.
To provide an actuator in which an unstable movement of a rotor is controlled. An actuator includes a coil, a bobbin around which the coil is wound, a rotor positioned inside the bobbin, a shaft to which the rotor is fixed and which is rotatably supported, a stator including a base portion positioned on one end side of the shaft, outer magnetic pole portions extending from the base portion along the shaft and positioned outside the bobbin and inner magnetic pole portions extending from the base portion along the shaft and positioned between the rotor and the inside of the bobbin, a stator including a base portion positioned on the other end side of the shaft, outer magnetic pole portions extending from the base portion along the shaft and positioned outside the bobbin and inner magnetic pole portions extending from the base portion along the shaft and positioned between the rotor and the inside of the bobbin and a cover positioned between the rotor and the stator and contacting tip portions of the inner magnetic pole portions to regulate the approach of the inner magnetic pole portions to the rotor.
H02K 1/18 - Moyens de montage ou de fixation des parties magnétiques fixes sur ou aux structures constituant le stator
H02K 37/14 - Moteurs à rotor tournant pas à pas et sans rupteur ou commutateur actionné par le rotor, p. ex. moteurs pas à pas du type à aimant permanent avec des induits fixes et des aimants tournants avec des aimants tournant à l'intérieur des induits
H02K 5/167 - Moyens de support des paliers, p. ex. supports isolants ou moyens pour ajuster les paliers dans leurs flasques utilisant des paliers à contact lisse ou des chapeaux de palier sphériques
An image pickup device includes: a focal plane shutter including: a board including an opening; a shutter moving to open and close the opening; an actuator moving the shutter; and a detection portion detecting that the shutter passes through a predetermined position, an image pickup element which light enters through the opening; and a drive control portion that controls the actuator to move the shutter, wherein the drive control portion performs movement control to move the shutter at least until the shutter passes through the predetermined position, and performs brake control to decelerate the shutter while the shutter is moving after the shutter passes through the predetermined position.
A focal plane shutter includes: a board including an opening; blades opening and closing the opening; an electromagnet supported by the board; a drive lever adsorbed to and held by the electromagnet, and swingably supported by the board; a drive arm connected to the drive lever, swingably supported by the board, and driving the blades; a first biasing member always biasing the drive lever away from the electromagnet and moving the blades; a first adjusting member that stepwisely adjusts a biasing force of the first biasing member; a second biasing member always biasing the drive arm in a direction opposite to a biasing direction of the first biasing member to such an extent that the blades are moved in accordance with the biasing force of the first biasing member; and a second adjusting member that steplessly adjusts a biasing force of the second biasing member.
A focal-plane shutter includes: a board including an opening; a blade opening and closing the opening; a rotor of an actuator for driving the blade; an output member rotated by the rotor and including a first gear portion; a drive member including a second gear portion meshing with the first gear portion, rotating about a predetermined axis, and driving the blade; and a positioning portion abutting with the drive member and defining an end of a rotational range of the drive member, wherein the first and second gear portions and the positioning portion overlap one another in a plane direction perpendicular to the axis.
An imaging device includes: a focal plane shutter including: a board including an opening; a leading shutter and a trailing shutter opening and closing the opening; a leading shutter actuator and a trailing shutter actuator respectively driving the leading shutter and the trailing shutter; and a restrict portion that restricts reciprocating movement ranges of the leading shutter and the trailing shutter, an image pickup element which light enters through the opening; and a drive control portion.
A blade drive device includes: a board including an opening; first and second blades opening and closing the opening; and first and second actuators respectively driving the first and second blades, wherein the first and second actuators respectively include first and second stators, first and second rotors, and first and second coils, and respectively drive the first and second blades through first and second drive members, the first drive member is arranged to overlap the first stator and the first coil in an optical axis direction, and the second drive member is arranged to overlap the second stator and the second coil in the optical axis direction.
A blade drive device includes: a board including an opening; first and second blades opening and closing the opening; and first and second actuators arranged adjacent to each other and respectively driving the first and second blades, wherein the first and second actuators respectively include first and second stators, first and second rotors, and first and second coils, and the first and second rotors is arranged to sandwich at least one of the first and second coils.
G02B 26/02 - Dispositifs ou dispositions optiques pour la commande de la lumière utilisant des éléments optiques mobiles ou déformables pour commander l'intensité de la lumière
An image pickup device includes: an image pickup element; a control portion artificially driving an electronic leading blade by resetting stored charges of the image pickup element in a predetermined direction at every pixel line; and a focal plane shutter includes a board including an opening exposing the image pickup element, a mechanical trailing blade capable of opening and closing the opening, a trailing blade drive lever driving the trailing blade, an actuator actuating the trailing blade drive lever, a shading member capable of opening and closing at least a part of the opening, a shading member drive lever driving the shading member, a connection member provided on the shading member drive lever, and a biasing member biasing the shading member drive lever such that the shading member recedes from the opening.
An actuator includes: a coil; a permanent magnet rotor secured to and rotatably supported by an output shaft inside the coil; a bobbin made of a non-magnetic material and around which the coil is wound; a first stator inserted into and secured to the bobbin in one direction, and including an inner magnetic pole portion and an outer magnetic pole portion extending inside and outside the coil in an axial direction of the rotor, respectively; and a second stator inserted into and secured to the bobbin in a direction opposite to the one direction, and including an inner magnetic pole portion and an outer magnetic pole portion extending inside and outside the coil in the axial direction of the rotor, respectively.
H02K 5/16 - Moyens de support des paliers, p. ex. supports isolants ou moyens pour ajuster les paliers dans leurs flasques
H02K 21/14 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants tournant à l'intérieur des induits
H02K 5/167 - Moyens de support des paliers, p. ex. supports isolants ou moyens pour ajuster les paliers dans leurs flasques utilisant des paliers à contact lisse ou des chapeaux de palier sphériques
47.
Focal plane shutter and optical apparatus provided with same
A focal plane shutter includes: a board including an opening; a leading blade and a trailing blade opening and closing the opening; first and second drive members respectively driving the leading blade and the trailing blade; first and second actuators respectively driving the first and second drive members; a first biasing member biasing the first drive member to move the leading blade away from the opening; and a second biasing member biasing the second drive member to move the trailing blade away from the opening.
A blade drive device includes: a board including an opening; a blade movable between a position receding from the opening and a position covering at least a portion of the opening; a first actuator including a first rotor rotatable about a first axis and a first stator, and being capable of driving the blade; a second actuator including a second rotor rotatable about a second axis and a second stator, and being capable of driving the blade; first and second positioning portions respectively positioning the first and second actuators; and a first biasing member respectively biasing the first and second actuators toward the first and second positioning portions.
A focal plane shutter includes: first, second, and third boards respectively including openings through which light enters an image pickup element from an object side, and arranged in this order from the object side toward the image pickup element side; a blade arranged between the first and second boards and capable of opening and closing the openings; and a holding member arranged between the second and third boards, not coupled to the blade, and holding the second board from the image pickup element side.
A focal plane shutter includes: a board including an opening; an arm including: a rear end portion rotatably supported by the board; and a front end portion swingable in response to rotation of the rear and portion; blades coupled to the arm for opening and closing the opening; and a sensor arranged at a position opposite to the arm across the opening, and detecting a state of the blades.
A focal plane shutter includes: a board including an opening; blades capable of opening and closing the opening; a drive member movable between a start position and a terminal position, biased toward the terminal position, and driving the blades; a brake member supported to abut and move away from the drive member positioned at the terminal position, and biased to abut the drive member positioned at the terminal position; and a set member rotatable in only one direction, and moving the drive member from the terminal position to the start position; wherein the set member includes a drive portion abutting the brake member to move the brake member away from the drive member and then abutting the drive member to move the drive member toward the start position.
A focal plane shutter includes: an electromagnet; a board including an opening; blades capable of opening and closing the opening; a drive member holding an iron piece adsorbed to the electromagnet and driving the blades, the drive member being movable such that the iron piece moves toward and away from the electromagnet and being biased by a spring such that the iron piece moves away from the electromagnet; and a holding board facing the board and including a pair of sandwiching portions elastically deformable and holding and sandwiching the electromagnet. The electromagnet includes a restriction portion engaging the board and restricting a movement of the electromagnet in a direction where the iron piece moves away from the electromagnet.
A focal plane shutter includes: an electromagnet; a board including an opening; a blade movable between a position where the blade recedes from the opening and a position where the blade covers at least part of the opening; and a drive lever driving the blade, and including: a spindle portion provided at its one end with a flange portion; an iron piece provided at the other end of the spindle portion and capable of being adsorbed to the electromagnet; a support portion including a through hole through which the spindle portion penetrates with a play; and a guide portion provided along the iron piece.
A focal plane shutter includes: a board including an opening; a blade movable between a position where the blade recedes from the opening and a position where the blade covers at least part of the opening; a drive arm connected to the blade, the drive arm including an engagement hole; a drive lever including a drive pin engaging the engagement hole; and a restriction portion provided in the drive arm, the restriction portion abutting the drive pin and being thicker than the drive arm.
A blade drive device includes: a board having a shutter opening; a blade for adjusting an amount of light entering the shutter opening; and a transmitting member for transmitting a drive force to the blade. The transmitting member includes a drive pin swinging about a given support point. The blade has a first cam slot engaged with the drive pin and swinging about a given support point in conjunction with a swinging of the drive pin. The first cam slot includes a first permitting area and a first restricting area. The blade is permitted to swing when the drive pin is located in the first permitting area. The blade is restricted from swinging when the drive pin is located in the first restricting area.
A coil bobbin includes: a body portion around which a coil is wound and having a cylindrical shape; a pair of flange portions formed at both ends of the body portion respectively; and terminal portions which are formed in the pair of flange portions, respectively, the terminal portions being around which respective ends of the coil are wound. The pair of flange portions have thicker portions and thinner portions, respectively, different from each other in thickness. The pair of flange portions is formed to gradually reduce a thickness from the thicker portions toward the thinner portions, respectively. The terminal portions are formed in the thicker portions, respectively.
H01F 27/30 - Fixation ou serrage de bobines, d'enroulements ou de parties de ceux-ci entre euxFixation ou montage des bobines ou enroulements sur le noyau, dans l'enveloppe ou sur un autre support
An electromagnetic actuator includes: a coil for excitation; a stator excited with different magnetic poles by energization of the coil; a rotor magnetized with the different magnetic poles in accordance with a circumferential direction, and rotated by a magnetic force generating between the rotor and the stator; and an outputting member rotated in conjunction with the rotor and outputting rotational movement of the rotor to a first blade and a second blade. The outputting member is provided with a fitting hole press-fitted onto the rotor.
An electromagnetic actuator includes; a coil for excitation; a stator excited with different magnetic poles by energization of the coil; a rotor magnetized with different magnetic poles in a circumferential direction thereof, and rotated by a magnetic force generated between the rotor and the stator; and an outputting member rotated in conjunction with the rotor and outputting rotational movement of the rotor to a first blade and a second blade. The rotor and the outputting member are jointed by welding and a welding portion of the rotor lies in a boundary of the magnetic poles thereof.
A focal-plane shutter has a first plate having a first opening, a second plate having a second opening, a shutter blade disposed between the first plate and the second plate, for opening and closing the first opening and the second opening, and a thin plate disposed at a side of the first plate facing the shutter blade and extending in such a direction that the shutter blade travel. A distance between an edge of the first opening and a center of the first opening is greater than that between an edge of the thin plate and the center of the first opening.
brevets
