Abrégé

One aspect of the present invention is an optical communication control device including an acquisition unit that acquires an optical power of an optical signal transmitted from a transmission device, a derivation unit that derives an attenuation amount for setting the optical power of the optical signal transmitted from the transmission device to an optical power receivable by a receiver device in a case in which the optical power acquired by the acquisition unit exceeds the optical power receivable by the receiver device, and an attenuation unit that causes an attenuator that attenuates the optical power of the optical signal transmitted from the transmission device to attenuate the optical power with the attenuation amount derived by the derivation unit.

Classes IPC  ?

• H04B 10/079 - Dispositions pour la surveillance ou le test de systèmes de transmissionDispositions pour la mesure des défauts de systèmes de transmission utilisant un signal en service utilisant des mesures du signal de données
• H04B 10/25 - Dispositions spécifiques à la transmission par fibres

Abrégé

A wireless apparatus according to one aspect of the present invention includes an acquisition unit configured to acquire a communication quality index indicating communication quality of a link for each of a plurality of links forming a multi-link with another wireless apparatus; and a multi-link control unit configured to determine whether to suspend use of a first link having the lowest communication quality among the plurality of links based on comparison between the communication quality index for the first link and a first threshold.

Classes IPC  ?

• H04B 17/309 - Mesure ou estimation des paramètres de qualité d’un canal
• H04L 1/00 - Dispositions pour détecter ou empêcher les erreurs dans l'information reçue
• H04W 72/542 - Critères d’affectation ou de planification des ressources sans fil sur la base de critères de qualité en utilisant la qualité mesurée ou perçue

Abrégé

An acquisition unit acquires network topology information indicating a connection form of a network device and traffic information data that is information about flows in traffic. A path calculation unit calculates a path of each flow so that the number of flows whose paths are to be changed is minimized.

Classes IPC  ?

• H04L 47/125 - Prévention de la congestionRécupération de la congestion en équilibrant la charge, p. ex. par ingénierie de trafic

Abrégé

Provided is an optical access system that performs communication using an optical signal on which management control signals used for management and control are superimposed in a plurality of transmission lines connecting a plurality of subscriber devices, the optical access system including: a plurality of splitters that are provided for the respective transmission lines and split a plurality of optical signals transmitted from the plurality of subscriber devices; a monitoring unit configured to acquire the management control signals from each of the plurality of optical signals split by each of the plurality of splitters; and an output device that is provided between the monitoring unit and the plurality of splitters and outputs the plurality of optical signals split by the plurality of splitters to the monitoring unit.

Classes IPC  ?

• H04Q 11/00 - Dispositifs de sélection pour systèmes multiplex

Abrégé

A light-emitting device includes a waveguide-type light-emitting element formed on a cladding layer, a core formed on the cladding layer and constituting a port opposite to an output port of the light-emitting element, and a light absorption layer formed on the core in contact therewith. The core may be composed of a III-V compound semiconductor such as InP. The core is composed of a III-V compound semiconductor capable of guiding (transmitting) light (laser light) output from the light-emitting element. The light absorption layer is composed of a III-V compound semiconductor having a refractive index higher than that of the core, such as InGaAs. The III-V compound semiconductor having a higher refractive index has an absorption coefficient for light (light output from the light-emitting element) transmitted through the core.

Classes IPC  ?

• H01S 5/20 - Structure ou forme du corps semi-conducteur pour guider l'onde optique
• H01S 5/323 - Structure ou forme de la région activeMatériaux pour la région active comprenant des jonctions PN, p. ex. hétérostructures ou doubles hétérostructures dans des composés AIIIBV, p. ex. laser AlGaAs

Abrégé

A cancellation device includes: a first AD conversion unit 2 that converts a noise signal into a digital signal; a second AD conversion unit 4 that converts an error signal obtained by an error microphone arranged in a region in which noise is to be suppressed into a digital signal; a sound signal processing unit 5 that generates a cancellation signal for suppressing the noise on the basis of the digital signal of the noise and the digital signal of the error signal; a DA conversion unit 6 that converts the cancellation signal into an analog signal and causes a cancellation speaker to emit sound based on the analog signal of the cancellation signal; and an internal parameter control unit 8 that dynamically controls an internal parameter to be used in AD conversion or DA conversion according to a statistical feature of the noise.

Classes IPC  ?

• G10K 11/178 - Procédés ou dispositifs de protection contre le bruit ou les autres ondes acoustiques ou pour amortir ceux-ci, en général utilisant des effets d'interférenceMasquage du son par régénération électro-acoustique en opposition de phase des ondes acoustiques originales

Abrégé

An optical node device includes a modulation amplitude correction unit which generates correction information for correcting an amplitude of a modulated signal based on a control signal so that a superimposition ratio when superimposing the control signal for controlling a subscriber device on an optical signal becomes a desired superimposition ratio; a driver which converts the control signal input from the outside into a modulated signal, and adjusts the amplitude of the modulated signal, using the correction information generated by the modulation amplitude correction unit; and a superimposing unit which superimposes the modulated signal adjusted by the driver on the optical signal.

Classes IPC  ?

• H04B 10/54 - Modulation d'intensité

Abrégé

A technology is provided that reduces noise heard when a user sits in a seat of an aircraft, without using earphones or headphones. A sound system includes: a control system that generates a control signal for canceling noise in a place close to a head of a user using a seat of an aircraft, from a signal of the noise (noise signal); and a noise-cancellation speaker system including speaker units that emit sound based on the control signal (first noise-cancellation speaker unit, . . . , M-th noise-cancellation speaker unit), the noise-cancellation speaker system being installed at the place close to the head of the user using the seat, wherein assuming that a direction in which the m-th noise-cancellation speaker unit faces the user is an m-th noise-cancellation user direction, the m-th noise-cancellation speaker unit is disposed such that sound emitted from the m-th noise-cancellation speaker unit in the m-th noise-cancellation user direction is canceled in a place other than the place close to the head of the user using the seat, due to bending around of sound emitted from the m-th noise-cancellation speaker unit in an opposite direction to the m-th noise-cancellation user direction.

Classes IPC  ?

• G10K 11/178 - Procédés ou dispositifs de protection contre le bruit ou les autres ondes acoustiques ou pour amortir ceux-ci, en général utilisant des effets d'interférenceMasquage du son par régénération électro-acoustique en opposition de phase des ondes acoustiques originales
• H04R 1/02 - BoîtiersMeublesMontages à l'intérieur de ceux-ci
• H04R 1/10 - ÉcouteursLeurs fixations

Abrégé

According to an embodiment, there is provided a wireless communication system in which the transmission device includes division circuitry configured to divide user data into predetermined units; a distribution processing circuitry configured to distribute user data divided such that each of the plurality of pieces of user data is included in each of a plurality of frequency channels; and a transmitter to transmit the plurality of pieces of user data for each of the frequency channels, and in which the reception device includes: a receiver to receive the plurality of pieces of user data; an extraction circuitry configured to extract each of the plurality of pieces of user data for each of the predetermined units from each of the plurality of frequency channels; and reproduction circuitry configured to combine each of the plurality of pieces of user data extracted for each user and reproduces the combined user data.

Classes IPC  ?

• H04J 1/04 - Dispositions à transposition de fréquence
• H04B 7/155 - Stations terrestres
• H04W 72/0453 - Ressources du domaine fréquentiel, p. ex. porteuses dans des AMDF [FDMA]

Abrégé

In a first time section, the output intensity of each basic light source of a plurality of basic light sources having different spectral distributions is adjusted to present a first synthetic source light with the plurality of basic light sources. In a second time section different from the first time section, the output intensity of each basic light source of the plurality of basic light sources is adjusted to present a second synthetic source light with the plurality of basic light sources. Here, the rate of change between the ipRGC activation amount of the first synthetic source light and the ipRGC activation amount of the second synthetic source light is higher than the rate of change between the value of the LMS chromaticity space of the first synthetic source light and the value of the LMS chromaticity space of the second synthetic source light.

Classes IPC  ?

• A61B 3/00 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux
• A61B 5/16 - Dispositifs pour la psychotechnieTest des temps de réaction
• G16H 50/30 - TIC spécialement adaptées au diagnostic médical, à la simulation médicale ou à l’extraction de données médicalesTIC spécialement adaptées à la détection, au suivi ou à la modélisation d’épidémies ou de pandémies pour le calcul des indices de santéTIC spécialement adaptées au diagnostic médical, à la simulation médicale ou à l’extraction de données médicalesTIC spécialement adaptées à la détection, au suivi ou à la modélisation d’épidémies ou de pandémies pour l’évaluation des risques pour la santé d’une personne

Abrégé

An object of the present invention is to provide a position estimation system, a control device, a position estimation method, and a program which are capable of estimating a position of a sensor using existing lighting as it is. The position estimation system according to the present invention makes use of the fact that, when a pattern is sent from each light source at a separate frequency, the peak intensities thereof differ in accordance with a position of a sensor if the spectrum of the received signal light is plotted. That is to say, this position estimation system estimates the position of the sensor by comparing the peak intensity ratio of the spectrum when the light pattern from each light source is received and the theoretical peak intensity ratio which serves as a reference prepared in advance.

Classes IPC  ?

• H04W 64/00 - Localisation d'utilisateurs ou de terminaux pour la gestion du réseau, p. ex. gestion de la mobilité
• H04W 4/38 - Services spécialement adaptés à des environnements, à des situations ou à des fins spécifiques pour la collecte d’informations de capteurs

Abrégé

An embodiment of the present invention relates to an optimization device comprising a control unit that solves an optimization problem for obtaining an affine transformation and a linear transformation with which a loss value is minimized, the optimization problem including: an amount representing the difference between a dictionary matrix, in which vectors within prescribed vector spaces are arranged in a prescribed direction for which a row direction or a column direction is determined in advance, the vectors being indicated by term vector information indicating a correspondence relationship in which one or a plurality of terms imparted in advance and the vectors are associated one to one in advance, and a first conversion dictionary matrix, which is the result of performing affine conversion on the dictionary matrix, the aforementioned amount representing a lower difference as the amount decreases; an amount representing the difference between the first conversion dictionary matrix and a second conversion dictionary matrix, which is the result of performing linear conversion on the first conversion dictionary matrix, the aforementioned amount representing a lower difference as the amount decreases; and an amount indicating the number of non-zero elements among elements in the linear conversion, the aforementioned amount representing a lower difference as the amount decreases.

Classes IPC  ?

• G06N 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe

Abrégé

An interrupt processing control device (1) comprises: a data collection unit (110) that collects advance data from a compute (2) for each of a first interrupt setting, in which the compute (2) sets one CPU core to perform interrupt processing when a packet is received, and a second interrupt setting, in which the compute (2) sets a prescribed number of CPU cores to perform interrupt processing in a distributable manner; a control scope determination unit (130) that uses the relationship between performance information and metrics for the first and second interrupt settings to determine a designated threshold value that meets performance requirements; and an interrupt core setting unit (140) that uses the designated threshold value to schedule the CPU core(s) to perform interrupt processing when a packet is received.

Classes IPC  ?

• G06F 9/48 - Lancement de programmes Commutation de programmes, p. ex. par interruption

Abrégé

This lightning rod for an unmanned aircraft includes: a lightning rod body 31; and an outer ring component 35. The lightning rod body 31 includes: a lightning rod part 32; an inner ring part 33; and a weight part 34. The outer ring component 35 and the inner ring part 33 constitute a spherical slide bearing.

Classes IPC  ?

• B64D 45/02 - Dispositifs de protection contre la foudreDéperditeurs de potentiel
• B64C 39/02 - Aéronefs non prévus ailleurs caractérisés par un emploi spécial
• B64U 10/10 - Giravions

Abrégé

The present invention provides a wireless communication system comprising an aggregation station, a plurality of extension stations, and an optical multiplexer/demultiplexer. The aggregation station comprises a laser that outputs a beam of a first wavelength for use in communication in the uplink direction from each of the plurality of extension stations to the aggregation station. The optical multiplexer/demultiplexer demultiplexes the beam of the first wavelength light outputted from the laser for output to the plurality of extension stations, and multiplexes optical signals respectively transmitted from the plurality of extension stations for output to the aggregation station. The plurality of extension stations each comprise a communication unit that performs communication in the uplink direction using the beam of the first wavelength inputted via the optical multiplexer/demultiplexer.　

Classes IPC  ?

• H04B 10/2575 - Radio sur fibre, p. ex. signal radio modulé en fréquence sur une porteuse optique
• H04B 10/272 - Réseaux du type étoile

Abrégé

One embodiment of the present invention is stimulus control equipment equipped with: an ultrasonic irradiation device that irradiates a stimulus presentation device with ultrasonic waves, said stimulus presentation device being provided with a passive sound absorbing material that absorbs the ultrasonic waves and emits heat, and a passive displacement body that is at least partially displaced upon reception of the ultrasonic waves; and a control unit that controls the operation of the ultrasonic irradiation device. The control unit controls the operation of the ultrasonic irradiation device to radiate the ultrasonic waves toward the sound absorbing material during a part of a prescribed unit period, and to radiate the ultrasonic waves toward the displacement body during another part of the unit period.

Classes IPC  ?

• G06F 3/01 - Dispositions d'entrée ou dispositions d'entrée et de sortie combinées pour l'interaction entre l'utilisateur et le calculateur

Abrégé

Provided is a selection device in which two or more clusters obtained by classifying measurement data relating to the auricle shapes and wearing positions of open-ear earphones of a plurality of listeners or values based on the measurement data on the basis of the degrees of approximation thereof are associated with transfer characteristics corresponding to the respective clusters and each being the transfer characteristic from an earphone sound hole to an external auditory pore or with correction filters based on the transfer characteristics corresponding to the respective clusters, the selection device including a selection unit that acquires measurement data of a user and selects a transfer characteristic corresponding to the measurement data of the user or a value based on the measurement data of the user, or a correction filter.

Classes IPC  ?

• H04R 3/04 - Circuits pour transducteurs pour corriger la fréquence de réponse
• H04R 1/10 - ÉcouteursLeurs fixations
• H04S 7/00 - Dispositions pour l'indicationDispositions pour la commande, p. ex. pour la commande de l'équilibrage

Abrégé

A control server 300 according to the present disclosure comprises: an information update function unit 302C which acquires, from an external AP that transmits and receives terminal internal information to and from a power receiver 100, terminal internal information of the power receiver 100, the terminal internal information changing in accordance with the direction of radio waves transmitted from a wireless power transmitter 200; a power receiver position estimation function unit 302D that estimates the position of the power receiver 100 on the basis of the change in the terminal internal information; and a wireless power supply instruction function unit 302B which, on the basis of the estimation result of the position of the power receiver 100 obtained by the power receiver position estimation function unit 302D, transmits, to the wireless power transmitter 200, a power supply instruction according to wireless power supply to the power receiver 100.

Classes IPC  ?

• H02J 50/90 - Circuits ou systèmes pour l'alimentation ou la distribution sans fil d'énergie électrique mettant en œuvre la détection ou l'optimisation de la position, p. ex. de l'alignement
• H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
• 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
• 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

Abrégé

mmimm. The signal estimation unit 20 uses a Kalman filter to generate a future time-series signal ^α from the amplitude A and the phase P.

Classes IPC  ?

• G10L 25/51 - Techniques d'analyse de la parole ou de la voix qui ne se limitent pas à un seul des groupes spécialement adaptées pour un usage particulier pour comparaison ou différentiation

Abrégé

A measurement system according to an embodiment of the present invention comprises a moving vehicle that receives radio waves transmitted by a base station, said system measuring the propagation characteristics of the radio waves. A plurality of radio wave measurement positions are set within an area of interest, including at the edges of the area of interest, where the propagation characteristics of radio waves transmitted by the base station are to be measured by the moving vehicle. The shortest route that sequentially passes through each of the measurement positions is calculated, and the moving vehicle is made to move in accordance with the calculated shortest route. When the moving vehicle passes through each of the measurement positions, radio waves transmitted by the base station are received, the propagation characteristics of the received radio waves are measured, and the measured propagation characteristics of the radio waves are used as a basis for data interpolation of the propagation characteristics of radio waves throughout the entire area of interest, using an interpolation method that follows radial basis functions.

Classes IPC  ?

• H04W 16/18 - Outils de planification de réseau
• H04W 24/06 - Réalisation de tests en trafic simulé

Abrégé

The present invention provides an estimation device for estimating an expansion coefficient used when sound field restoration from optical measurement data is performed in a case where a sound source is present inside a sound field restoration region. The estimation device estimates a sound field expansion coefficient based on circular harmonic function expansion by using a measurement value measured by a sound field measurement system by means of light and information representing a laser light path.

Classes IPC  ?

• H04R 23/00 - Transducteurs autres que ceux compris dans les groupes
• G01B 11/00 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques

Produits et services

Optical character recognition apparatus; conductors, electric; sound reproduction apparatus; digital voice signal processors; microphones; transmitters [telecommunication]; personal digital assistants; computer programs, downloadable; computer programs, recorded; computer software applications, downloadable; computer software, recorded; computer software platforms, downloadable; downloadable computer software for multilingual speech recognition, translation and transcription; downloadable cloud computing software; electronic pocket translators; downloadable music files; downloadable image files; electronic publications, downloadable. Communications by computer terminals; telecommunication services using cloud computing; digital network telecommunications services; transmission of digital files; videoconferencing services; teleconferencing services; web conferencing services; providing information in the field of telecommunications; rental of telecommunication equipment. Dubbing; training services in the field of computer software development; training in the field of communication technologies; arranging and conducting of seminars; providing on-line training seminars; providing online electronic publications, not downloadable; publication of books; electronic desktop publishing; audio and video recording services; language interpretation; translation; providing online translation services. Design of telecommunications apparatus and equipment; computer programming; computer software design; computer software consultancy; maintenance of computer software; updating of computer software; computer system design; monitoring of computer systems to detect breakdowns; conversion of computer programs and data, other than physical conversion; data conversion of electronic information; research in the field of telecommunications technology; research in the field of computer natural language processing; rental of computers; providing online non-downloadable computer software; providing online non-downloadable computer software for multilingual speech recognition, translation and transcription; software as a service [SaaS]; platform as a service [PaaS]; electronic data storage; server hosting; consulting services in the field of cloud computing.

Abrégé

An acquisition unit (15a) acquires an operation log (14a). A creation unit (15b) creates an operation pattern using a state of an operation result and an order of the state. An extraction unit (15c) extracts the operation pattern included in the acquired operation log (14a).

Classes IPC  ?

• G06F 16/9032 - Formulation de requêtes
• G06F 16/17 - Détails d’autres fonctions de systèmes de fichiers

Abrégé

An optical amplifier arrangement method includes an acquisition step of acquiring transmission path information indicating a configuration of a network that transmits an optical signal via a plurality of relay nodes and a transmission path of the optical signal transmitted by the network; and a determination step of determining arrangement of optical amplifiers in the network by grouping a plurality of optical fibers passing through the same relay node based on the transmission path information, and determining whether optical amplification is required in each of the relay nodes for each group of the optical fibers.

Classes IPC  ?

• H04B 10/291 - Répéteurs dans lesquels le traitement ou l’amplification est effectuée sans conversion de la forme optique du signal
• H04B 10/293 - Commande de la puissance du signal

Abrégé

In a wireless communication system including a communication device and a plurality of relay devices that moves, the relay device includes: a signal reception unit that receives a signal transmitted from the communication device; a reception status information generation unit that generates reception status information indicating a reception status of the signal by the signal reception unit; a reception status information transmission unit that transmits the reception status information generated by the reception status information generation unit to another relay device; a reception status information reception unit that receives reception status information transmitted from another relay device; a calculation unit that calculates a communication parameter value suitable for retransmission of a signal from the communication device to the local device on a basis of the reception status information received by the reception status information reception unit; and a setting information transmission unit that transmits setting information indicating the communication parameter value obtained by the calculation unit to the communication device, and the communication device includes: a setting information reception unit that receives the setting information transmitted from the setting information transmission unit; and a signal transmission unit that transmits the signal to the relay device using the communication parameter value based on the setting information received by the setting information reception unit.

Classes IPC  ?

• H04B 7/185 - Stations spatiales ou aériennes
• H04L 1/1829 - Dispositions spécialement adaptées au point de réception

Abrégé

An aspect of the present invention is a transmission system for transmitting an optical signal which includes a phase conjugate light generation part which generates phase conjugate light of the optical signal whose frequency is within a first band in a second band different from the first band and an optical phase-sensitive amplifying part which phase-sensitively amplifies the optical signal and the phase conjugate light and in which the first band is a frequency band in which the sensitivity of light reception of a receiver which receives the optical signal is a predetermined level or more among the frequency bands in which a transmitter which outputs the optical signal is able to output the optical signal with a predetermined intensity or more and the second band is a higher or lower frequency band than the first band.

Classes IPC  ?

• G02F 1/39 - Optique non linéaire pour la génération ou l'amplification paramétrique de la lumière, des infrarouges ou des ultraviolets
• G02F 1/35 - Optique non linéaire

Abrégé

Provided is a charging and discharging management device which includes an information acquisition unit which acquires schedule information on movement of a user of an electric vehicle; a power consumption calculation unit which calculates a movement distance of the electric vehicle on the basis of the schedule information, and calculates a necessary electric energy required for moving the electric vehicle from the movement distance; and a charging schedule creation unit which creates a charging schedule for the plurality of electric vehicles so that the total of charging power of the plurality of electric vehicles that are simultaneously charged does not exceed a predetermined threshold value, on the basis of the required electric energy of each electric vehicle calculated by the power consumption calculation unit

Classes IPC  ?

• B60L 53/63 - Surveillance et commande des stations de charge en réponse à la capacité du réseau
• B60L 53/67 - Commande de plusieurs stations de charge

Abrégé

Provided is a dialogue evaluation device that evaluates a dialogue performed in a group of two or more participants, the dialogue evaluation device including: an activity score calculation unit that extracts one or more feature values as an activity score from dialogue data; a feature value weight calculation unit that extracts dialogue experience data from a past dialogue log, calculates a dialogue experience score obtained by digitizing a dialogue experience between participants from the dialogue experience data, and calculates a weight of each feature value in the activity score from the dialogue experience score; and a dialogue evaluation score calculation unit that calculates a dialogue evaluation score by using the activity score and the weight.

Classes IPC  ?

• G10L 15/14 - Classement ou recherche de la parole utilisant des modèles statistiques, p. ex. des modèles de Markov cachés [HMM]
• G10L 15/02 - Extraction de caractéristiques pour la reconnaissance de la paroleSélection d'unités de reconnaissance

Abrégé

An estimation device 10 comprises: a power consumption estimation unit 104 that uses an estimation model for estimating the power consumption of a workload to calculate an estimated value of the power consumption when a designated workload runs on a migration destination server; and a weighting coefficient adjustment unit 106 that adjusts weighting coefficients of the estimation model on the basis of the estimated value of the power consumption and an actually measured value of the power consumption when the designated workload ran on the migration destination server.

Classes IPC  ?

• G06N 20/00 - Apprentissage automatique

Abrégé

One aspect of the present invention is an optimization device provided with a control unit that executes a candidate estimation model that is a mathematical model for estimating, in accordance with a target word, which is an assigned word, candidates for a word to be inputted into a result generation model, which is a mathematical model that outputs a result corresponding to the inputted word. The candidate estimation model is a mathematical model for solving, on the basis of the target word and word vector information indicating a correspondence relationship where one or a plurality of words and vector(s) in a prescribed vector space are associated in a one-to-one manner, the optimization problem of minimizing a loss value that includes: a quantity that represents the difference between a target vector representing the target word and a linear combination of non-target vectors representing words different from the target word, the quantity being such that said difference becomes smaller as the quantity becomes smaller; and a quantity that indicates the number of non-target vectors having a non-zero weighting in the linear combination, the quantity being such that said number becomes smaller as the quantity becomes smaller.

Classes IPC  ?

• G06N 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe

Abrégé

One aspect of the present invention is an estimation device comprising a control unit that executes a first mathematical model that is a trained mathematical model for estimating, on the basis of an input word or sentence, word or sentence candidates by adding information to the input word or sentence, wherein the control unit outputs a candidate, which satisfies a predetermined condition among the candidates estimated by the first mathematical model, to an output destination candidate that is a predetermined output destination as an input to a predetermined diffusion model.

Classes IPC  ?

• G06N 20/00 - Apprentissage automatique

Abrégé

In the present invention, an active layer (101) is formed so as to intrude into a core (104) in a waveguide direction. The core (104) of a passive optical waveguide (152) is provided with an intrusion part (105) where the active layer (101) has intruded into the core (104). Furthermore, the intrusion part (105) of the active layer (101), which intrudes into the core (104) in the waveguide direction, is formed in a tapered shape of which the width narrows the further from a connection part (131). The intrusion part (105) can be deactivated.

Classes IPC  ?

• H01S 5/026 - Composants intégrés monolithiques, p. ex. guides d'ondes, photodétecteurs de surveillance ou dispositifs d'attaque
• H01L 31/0232 - Dispositifs à semi-conducteurs sensibles aux rayons infrarouges, à la lumière, au rayonnement électromagnétique d'ondes plus courtes, ou au rayonnement corpusculaire, et spécialement adaptés, soit comme convertisseurs de l'énergie dudit rayonnement e; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de ces dispositifs ou de leurs parties constitutives; Leurs détails - Détails Éléments ou dispositions optiques associés au dispositif

Abrégé

This information processing device is provided with: an acquisition unit that acquires multiple pieces of movement path data representing the in-store movement path of a customer vising a store for each visit to the store; a calculation unit that calculates a variation in route of the customer in the store on the basis of the multiple pieces of movement path data acquired by the acquisition unit; and a determination unit that determines whether the customer exhibits planned purchase behavior or unplanned purchase behavior on the basis of the variation in route calculated by the calculation unit.

Classes IPC  ?

• G06Q 30/0204 - Segmentation du marché
• G06Q 30/0202 - Prédictions ou prévisions du marché pour les activités commerciales

Abrégé

This wireless communication device comprises: a plurality of wireless communication units that form directional beams in different directions and communicate with a plurality of other wireless communication devices; and a wireless control unit that, on the basis of quality information for wireless communication lines of each of the plurality of wireless communication units, when the wireless communication quality indicated by the quality information becomes less than or equal to a threshold value, controls one or more wireless communication units not marked to be used for communication among the plurality of wireless communication units and disconnects the connection with the other wireless communication device or devices to which said one or more wireless communication units is or are connected.　

Classes IPC  ?

• H04W 76/34 - Libération sélective de connexions en cours

Abrégé

An estimation device 10 comprises a workload power consumption estimation unit 103 that links a server power consumption estimation model for learning at least the relationship between a resource use state of a server and power consumption of the server to estimate power consumption on the server, and a workload additional learning model for learning information on power consumption of the workload on the server, and that calculates an estimated value of power consumption when a prescribed workload operates on a server of a movement destination.

Classes IPC  ?

• G06N 20/00 - Apprentissage automatique

Abrégé

Provided is a filter information generation device in which a plurality of impulse responses respectively corresponding to a plurality of different conditions from the input of a wearable device that reproduces sound without completely blocking the external auditory opening to the external auditory canal entrance of a wearer wearing the wearable device are measured in advance, and the plurality of impulse responses are clustered into a plurality of clusters, the filter information generation device comprising: a filter information generation impulse response determination unit 11 that selects any one from among the plurality of clusters, and determines a filter information generation impulse response from at least one impulse response included in the selected cluster; and a filter information generation unit 12 that generates, from the filter information generation impulse response, filter information which is information relating to a filter for weakening an acoustic characteristic of the wearable device that is determined from the filter information generation impulse response and for performing filter processing on a signal to be reproduced by the wearable device.

Classes IPC  ?

• H04S 1/00 - Systèmes à deux canaux
• H04R 5/027 - Dispositions spatiales ou structurelles des microphones, p. ex. dispositifs simulant la tête humaine

Abrégé

This propagation path searching system is for searching for a propagation path for radio waves that are scattered by a plurality of structures before reaching a reception point after being emitted from a transmission point, said propagation path searching system comprising: a first processing unit that divides a plurality of propagation paths from the transmission point to the reception point into a plurality of clusters, each of which is a set of rays, and that searches for a cluster which contributes to propagation of radio waves; and a second processing unit that uses an imaging method to perform ray tracing on the cluster which has been searched for by the first processing unit and that calculates a propagation loss for each ray.

Classes IPC  ?

• H04B 17/391 - Modélisation du canal de propagation
• H04W 16/28 - Structures des cellules utilisant l'orientation du faisceau
• H04W 24/06 - Réalisation de tests en trafic simulé

Abrégé

A determination device 1 comprises a recovery determination/transition determination unit 14 that, with regard to metrics related to a decomposed traffic volume in which a traffic volume is decomposed by a prescribed classification axis, when the number of co-occurring abnormal metrics in which an abnormality is observed in an increase in the traffic volume reaches a quality deterioration occurrence reference value, extracts only a degree of abnormality in the traffic volume of the co-occurring abnormal metrics, and transitions to a recovery determination.

Classes IPC  ?

• H04L 41/0654 - Gestion des fautes, des événements, des alarmes ou des notifications en utilisant la reprise sur incident de réseau

Abrégé

A control server 300 according to the present disclosure includes: an information update function unit 302C for acquiring external AP position information, indicating the position of an external AP 400 that transmits and receives data to and from a power receiver 100, and wireless information, including information about the position of the power receiver 100 as viewed from the external AP 400, from the external AP 400; a power receiver position estimation function unit 302D that estimates the position of the power receiver 100 on the basis of the external AP position information, the wireless information, and transmitter position information indicating the position of a wireless transmitter 200 that supplies power wirelessly to the power receiver 100; and a wireless power supply instruction function unit 302B that transmits instructions, to supply power wirelessly to the power receiver 100, to the wireless power transmitter 200 on the basis of the result of the estimation of the position of the power receiver 100 by the power receiver position estimation function unit 302D.

Classes IPC  ?

• H02J 50/90 - Circuits ou systèmes pour l'alimentation ou la distribution sans fil d'énergie électrique mettant en œuvre la détection ou l'optimisation de la position, p. ex. de l'alignement
• 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

Abrégé

The present invention provides a resource allocation device that allocates the resources of a physical network to a virtual network, the device comprising: an input unit that accepts input of a request for the allocation of resources to the virtual network; and a resource allocation unit that calculates an expansion cost associated with resource expansion required to accommodate the virtual network for each of one or more default routes to the virtual network, selects a minimum default route, which is the default route with the minimum expansion cost among the one or more default routes, and allocates the resources of the minimum default route, with the resource expansion applied thereto, to the virtual network.

Classes IPC  ?

• H04L 47/76 - Contrôle d'admissionAllocation des ressources en utilisant l'allocation dynamique des ressources, p. ex. renégociation en cours d'appel sur requête de l'utilisateur ou sur requête du réseau en réponse à des changements dans les conditions du réseau

Abrégé

A measurement system according to one embodiment comprises a base station and a mobile body connected to an information processing device via a network and measures propagation characteristics of a radio wave, wherein: a plurality of measurement positions for the radio wave are set, by the mobile body, in a target region in which the propagation characteristics of the radio wave transmitted by the base station are to be measured; the shortest route along which the mobile body sequentially passes the measurement positions while the number of times of direction changes of the mobile body is suppressed is calculated; the mobile body is moved along the calculated shortest route; the mobile body receives the radio wave transmitted by the base station, when passing each of the measurement positions, and measures the propagation characteristics of the received radio wave; and either the mobile body or the information processing device visualizes, on the basis of the measured propagation characteristics of the radio wave, the propagation characteristics of the radio wave with respect to the entire target region.

Classes IPC  ?

• H04W 16/18 - Outils de planification de réseau
• H04W 24/06 - Réalisation de tests en trafic simulé
• H04W 88/02 - Dispositifs terminaux

Abrégé

An embodiment of the present invention is a wireless communication system comprising an optical wireless communication device and a wireless communication terminal, wherein the optical wireless communication device comprises: an array antenna disposed in y rows (where y is an integer of 2 or more) * x columns (where x is an integer of 2 or more); a first pre-beam forming unit that performs first pre-beam forming on a transmission beam of the array antenna in a first direction of the array antenna; a second pre-beam forming unit that performs second pre-beam forming on the array antenna in a second direction on the basis of a result of the first pre-beam forming performed by the first pre-beam forming unit; and a beam forming unit that performs beam forming to be used when downlink transmission from the optical wireless communication device to the wireless communication terminal is performed on the basis of a result of the second pre-beam forming performed by the second pre-beam forming unit.

Classes IPC  ?

• H04B 7/0413 - Systèmes MIMO
• H04B 7/024 - Utilisation coopérative d’antennes sur plusieurs sites, p. ex. dans les systèmes à plusieurs points coordonnés ou dans les systèmes coopératifs à "plusieurs entrées plusieurs sorties" [MIMO]

Abrégé

A communication management device (10) comprises: a reception unit (15a) that receives an update instruction for software of a network device; a determination unit (15b) that, if the update instruction for software has been received, on the basis of resource information indicating a resource accommodated in each network device, determines a second network device as a change destination of a resource accommodated in a first network device the software of which is to be updated; and an execution unit (15c) that changes the resource accommodated in the first network device to the second network device and executes a software update in the first network device.

Classes IPC  ?

• H04L 41/082 - Réglages de configuration caractérisés par les conditions déclenchant un changement de paramètres la condition étant des mises à jour ou des mises à niveau des fonctionnalités réseau

Abrégé

According to the present invention, an acoustic signal is emitted from a sound emission part that does not seal the external auditory canal of a user, and an observation signal based on the acoustic signal is collected by a sound collection part disposed at a position of a head that is neither the external auditory canal nor an open end of the external auditory canal. The observation signal is used for setting a head related transfer function of the user.

Classes IPC  ?

• H04R 1/10 - ÉcouteursLeurs fixations
• H04R 5/027 - Dispositions spatiales ou structurelles des microphones, p. ex. dispositifs simulant la tête humaine
• G10K 15/00 - Acoustique non prévue ailleurs

Abrégé

A prediction device (10) according to the present disclosure comprising: a dividing unit (11) that divides a surface of interest of a structure into a plurality of cells in a grid; a setting unit (12) that sets, in a cell corresponding to a degraded portion where degradation has become apparent on the surface of interest, a degree of degradation corresponding to the state of degradation of the degraded portion; and an estimation unit (13) that estimates the degree of degradation of each of the plurality of cells on the basis of the degree of degradation set for the cell, said estimation using a predictive model that predicts the progression of degradation on the basis of degradation in the structure varying continuously with respect to the position of the surface of interest.

Classes IPC  ?

• G01M 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe
• G01N 17/00 - Recherche de la résistance des matériaux aux intempéries, à la corrosion ou à la lumière

Abrégé

A prediction device (10) according to the present disclosure comprises: a deteriorated area designation unit (11) that designates, in each of a plurality of rebars (2), a deteriorated area where the rebar (2) has deteriorated, on the basis of the location of a deteriorated portion where the deterioration in the rebar structure has become obvious and the arrangement of the plurality of rebars; an analogous area designation unit (12) that designates, as an analogous area where deterioration of the rebar 2 is inferred by analogy, a rectangular area of which the length of one side is the length of a deteriorated area in a prescribed direction and the length of the other side is the distance to a prescribed rebar 2 beside the rebar 2 that includes said deteriorated area; and an extended deteriorated area designation unit (13) that, when another deteriorated area is included in the analogous area designated in correspondence with a deteriorated area, designates the rebar (2) included in the analogous area as an extended deteriorated area where the deterioration has not become obvious.

Classes IPC  ?

• G01N 17/00 - Recherche de la résistance des matériaux aux intempéries, à la corrosion ou à la lumière
• G01M 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe

Abrégé

One aspect of the present invention involves first using a frequency at which a word related to a first trouble of a first user seeking consultation appears in each text data related to past work of a plurality of other second users to select a plurality of first candidates as candidates for consultation from among the plurality of second users, and calculating, for each of the selected first candidates, a degree of recommendation on the basis of a degree of coverage or treatment of the word related to the first trouble in the text data. One aspect of the present invention involves next calculating, for each of the first candidates, a degree of similarity between a word related to a second trouble that the first candidate consulted about in the past and the word related to the first trouble of the first user seeking consultation, and correcting the degree of recommendation for each of the first candidates who resolved the second trouble that the first candidates consulted about in the past such that the degree of recommendation becomes higher as the degree of similarity becomes higher. One aspect of the present invention involves then selecting a second candidate as the candidate for consultation from among the first candidates on the basis of the corrected degree of recommendation.

Classes IPC  ?

• G06F 16/90 - Détails des fonctions des bases de données indépendantes des types de données cherchés

Abrégé

A training device according to an embodiment of the present disclosure includes: a first training unit that trains a first machine learning model using a set of normal state data of a first system serving as a source domain; and a second training unit that uses a set of normal state data of a second system serving as a target domain to train, as an abnormality detector, a second machine learning model obtained by adding neural network layers to the first machine learning model that has been trained by the first training unit.

Classes IPC  ?

• G06N 3/08 - Méthodes d'apprentissage

Abrégé

An apparatus according to one aspect of the present disclosure, which performs cryptographic communication with another apparatus, comprises: a cryptographic communication unit that performs cryptographic communication with the other apparatus through authenticated encryption on the basis of a master key of the cryptographic communication; and a key update unit that updates the master key in a session of the cryptographic communication.

Classes IPC  ?

• H04L 9/16 - Dispositions pour les communications secrètes ou protégéesProtocoles réseaux de sécurité utilisant plusieurs clés ou algorithmes qui sont changés pendant l'opération
• H04L 9/08 - Répartition de clés
• H04L 9/32 - Dispositions pour les communications secrètes ou protégéesProtocoles réseaux de sécurité comprenant des moyens pour vérifier l'identité ou l'autorisation d'un utilisateur du système

Abrégé

This adaptation device regards a classification model and an image enhancement model as one model (image classification model), and applies the TTA method to update the model. For example, the adaptation device converts a target image into an enhanced image using the image enhancement model. The adaptation device also enters the enhanced image and the target image into the classification model. The adaptation device then compares the uncertainties (e.g., confidences) of the model outputs, selects the output with lower uncertainty (e.g., higher confidence), and calculates the loss. The adaptation device updates the parameters of the image enhancement model and the classification model on the basis of the calculated loss.

Classes IPC  ?

• G06N 20/00 - Apprentissage automatique

Abrégé

This filter information generation device comprises: an impulse response input unit 11 to which is inputted an impulse response measured in a free sound field, or in a sound field approximating the free sound field, of a wearable device that reproduces sound without completely shielding an external auditory foramen; and a filter information generation unit 12 for generating, from the impulse response, filter information pertaining to a filter for weakening the acoustic characteristics of the wearable device determined from the impulse response and performing a filter process on a signal to be reproduced by the wearable device.

Classes IPC  ?

• H04R 3/04 - Circuits pour transducteurs pour corriger la fréquence de réponse
• H04R 1/10 - ÉcouteursLeurs fixations

Abrégé

This modulator comprises: a carrier signal generation unit that outputs a carrier signal; and a plurality of modulation units which are cascade-connected downstream from the carrier signal generation unit and into which transmission signals of mutually different frequencies are input. Each of the modulation units comprises a distribution unit, a multiplication unit, a multiplexing unit, and a phase adjustment unit. The distribution unit outputs a first signal and a second signal obtained by bifurcating one carrier signal output by the carrier signal generation unit located upstream or one signal output by another modulation unit located upstream. The multiplication unit multiplies the first signal by the transmission signal inputted into the corresponding modulation unit. The multiplexing unit multiplexes the first signal which the multiplication unit multiplied by the transmission signal with the second signal which was output by the distribution unit, and outputs the resulting multiplexed signal. The phase adjustment unit rotates the phase of the first signal output from the distribution unit to the multiplication unit or the phase of the second signal output from the distribution unit to the multiplexing unit.

Classes IPC  ?

• H03D 7/00 - Transfert de modulation d'une porteuse à une autre, p. ex. changement de fréquence

Abrégé

An optical communication system according to the present invention comprises: a first passive optical network system that has a first optical subscriber line device and a plurality of first optical subscriber line terminal devices; a second passive optical network system that has a second optical subscriber line device and a plurality of second optical subscriber line terminal devices; and a control device for controlling connection and disconnection between the first optical subscriber line device and the plurality of second optical subscriber line terminal devices, wherein the control device connects between the first optical subscriber line device and the plurality of second optical subscriber line terminal devices, the first optical subscriber line device stops communication between the plurality of first optical subscriber line terminal devices and the first optical subscriber line device before the first optical subscriber line device and the plurality of second optical subscriber line terminal devices are connected, and when the first optical subscriber line device acquires a plurality of uplink signals transmitted from the plurality of second optical subscriber line terminal devices after the first optical subscriber line device and the plurality of second optical subscriber line terminal devices are connected, it is determined that the plurality of second optical subscriber line terminal devices can be aggregated to the first optical subscriber line device.

Classes IPC  ?

• H04L 12/44 - Réseaux en étoile ou réseaux arborescents

Abrégé

A wireless communication system includes: a plurality of wireless communication apparatuses that constitutes a wireless communication network; and one or a plurality of control apparatuses that controls the plurality of wireless communication apparatuses. Each of the plurality of wireless communication apparatuses includes a plurality of network interface controllers (NICs) that performs wireless communication through different channels that do not overlap each other. The one or plurality of control apparatuses executes channel switching processing of switching a use state of the plurality of NICs in each of the plurality of wireless communication apparatuses. The one or plurality of control apparatuses controls the plurality of wireless communication apparatuses to use NICs of the same channel in the same period.

Classes IPC  ?

• H04W 72/0446 - Ressources du domaine temporel, p. ex. créneaux ou trames
• H04W 76/20 - Gestion de connexions établies

Abrégé

A monitoring device (10) sets a first node (20A) that is a node on a transmission side that switches a route of a packet in user communication to copy the packet in the user communication, enable an INT setting, and transmit the copied packet to each of routes that are switching destination candidates based on an instruction input from a maintenance person. In addition, the monitoring device (10) sets a second node (20B) that is a node on a reception side that accommodates the routes that are switching destination candidates to collect INT information of the copied packet and discard the copied packet. Thereafter, the monitoring device (10) acquires the INT information of the copied packet from the second node (20B) and visualizes communication quality of each of the routes that are the switching destination candidates in the user communication based on the acquired INT information.

Classes IPC  ?

• H04L 43/10 - Surveillance active, p. ex. battement de cœur, utilitaire Ping ou trace-route
• H04L 43/02 - Capture des données de surveillance

Abrégé

A switching control apparatus calculates a traffic amount in a predetermined period of each first transmission apparatus that is a transmission apparatus of a predetermined layer on the basis of allocation of radio resources to a terminal that wirelessly transmits a signal to a lowermost transmission apparatus among a plurality of transfer apparatuses that constitute a communication network hierarchized into a plurality of layers and transfer a received signal to a layer next above. The switching control apparatus calculates a processing capability predicted to be required for each second transmission apparatus which is a transmission apparatus of a layer next above the first transmission apparatus on the basis of the traffic amount of the first transmission apparatus. The switching control apparatus instructs a transfer apparatus for transferring a signal transmitted from the first transmission apparatus to the second transmission apparatus to switch a connection destination of the first transmission apparatus under the control of the second transmission apparatus in which congestion is determined to occur on the basis of the processing capability.

Classes IPC  ?

• H04W 76/20 - Gestion de connexions établies
• H04W 28/02 - Gestion du trafic, p. ex. régulation de flux ou d'encombrement
• H04W 28/08 - Équilibrage ou répartition des charges
• H04W 72/52 - Critères d’affectation ou de planification des ressources sans fil sur la base des charges

Abrégé

A signal filtering device includes: an information generation unit that generates feature information on related information on a target signal; an extraction unit that extracts mask information from a mixed signal including the target signal on the basis of the feature information; and a mask processing unit that estimates the target signal from the mixed signal using the mask information. The information generation unit may encode the related information into a multidimensional vector and generate a linear transformation result of the multidimensional vector as the feature information. The information generation unit may encode the related information into a first multidimensional vector, encode the mixed signal into a second multidimensional vector, derive a similarity in time series between the first multidimensional vector and the second multidimensional vector, and generate a result of a weighted sum of the similarity in time series and the mixed signal as the feature information.

Classes IPC  ?

• G10L 21/0272 - Séparation du signal de voix
• G10L 15/02 - Extraction de caractéristiques pour la reconnaissance de la paroleSélection d'unités de reconnaissance

Abrégé

A communication device that performs packet communication includes a data storage unit that holds a rule of a value-added service policy, a transmission unit that inquires to a translation device that performs address translation about translation information including information before the address translation, a reception unit that receives the translation information from the translation device, and a control unit that determines whether to apply the rule to a packet after the address translation received from the translation device by using the translation information.

Classes IPC  ?

• H04L 47/20 - Commande de fluxCommande de la congestion en assurant le maintien du trafic
• H04L 61/09 - Correspondance entre adresses

Abrégé

A power feeding device that is connected to a Faraday cage containing a flight vehicle via a conductor and supplies lightning power generated from a lightning surge that has struck to a battery of the flight vehicle, and a ground line that connects the power feeding device and a ground surface are provided, the power feeding device includes a capacitor connected in series between the Faraday cage and the ground line, a lightning arrester connected in parallel to the capacitor, and a step-down converter that steps down a terminal voltage of the capacitor charged by the lightning surge to generate lightning power and supplies the generated lightning power to the battery.

Classes IPC  ?

• B64D 31/16 - Systèmes de commande des groupes moteursAménagement de systèmes de commande des groupes moteurs sur aéronefs pour les groupes moteurs électriques
• B64D 31/14 - Transmissions entre les dispositifs d'amorçage de la commande et les groupes moteurs
• B64D 45/02 - Dispositifs de protection contre la foudreDéperditeurs de potentiel
• H05K 9/00 - Blindage d'appareils ou de composants contre les champs électriques ou magnétiques

Abrégé

A radio station selection method includes an acquisition step of acquiring image information indicating an image obtained by capturing a space through which a radio wave is able to propagate in communication between a first radio station and a second radio station, an estimation step of estimating a propagation loss of a radio wave in the communication on the basis of the image information acquired in the acquisition step, and a determination step of determining whether or not to switch a radio station to which the first radio station is connected for communication from the second radio station to a third radio station on the basis of the propagation loss estimated in the estimation step.

Classes IPC  ?

• H04W 36/30 - La resélection étant déclenchée par des paramètres spécifiques par des données de mesure ou d’estimation de la qualité des liaisons
• H04B 17/309 - Mesure ou estimation des paramètres de qualité d’un canal
• H04B 17/391 - Modélisation du canal de propagation

Abrégé

Provided is a noise control apparatus and the like capable of enhancing suppression performance as compared with a conventional noise control apparatus without enlarging or complicating each device in a case where noise control apparatuses are installed in respective areas such as seats in the same moving body such as a train or an airplane. The noise control apparatus performs active noise control. The noise control apparatus has suppression information that is related to noise suppression and is common to another noise control apparatus, which is disposed in the same moving body, corresponding to a reference microphone different from a reference microphone of the noise control apparatus, and suppresses noise using the common suppression information.

Classes IPC  ?

• G10K 11/178 - Procédés ou dispositifs de protection contre le bruit ou les autres ondes acoustiques ou pour amortir ceux-ci, en général utilisant des effets d'interférenceMasquage du son par régénération électro-acoustique en opposition de phase des ondes acoustiques originales

Abrégé

A wind power generation fence 1 includes vertically-long-blade wind power generation devices 10 having vertically long blades 13, 14 in which a wind-receiving surface is arranged along a center axis 12 of a power generation unit 11. A plurality of vertically-long-blade wind power generation devices 10 are arranged side by side with the center axes 12 upright.

Classes IPC  ?

• F03D 9/43 - Mécanismes moteurs à vent spécialement adaptés à l’installation dans des endroits particuliers sur des objets stationnaires ou des structures stationnaires faites par l’homme utilisant l’infrastructure initialement prévue pour d’autres buts, p. ex. des pylônes de ligne d’alimentation électrique ferroviaire

Abrégé

A control device according to an aspect of the present disclosure is for embedding a virtual network in a physical network, the control device including: an acquisition unit that acquires samples of the energy production at physical nodes included in the physical network where there are power sources with uncertainty in the probability distribution of energy production; and a calculation unit that uses a prescribed distance function to define an uncertainty set representing the uncertainty regarding the probability distribution on the basis of the samples, and calculates an assignment of the virtual network so as to optimize the expected value of a prescribed objective function within the range of the uncertainty set.

Classes IPC  ?

• H04L 41/0895 - Configuration de réseaux ou d’éléments virtualisés, p. ex. fonction réseau virtualisée ou des éléments du protocole OpenFlow

Abrégé

This surface wave antenna for performing power transmission or power reception using a surface wave includes: a resonance part composed of a radiation electrode and a conductor for supporting the radiation electrode; a ground electrode; a short stub provided on a back surface side of the surface wave antenna; and a power supply point connected to the surface wave antenna in parallel with the short stub.

Classes IPC  ?

• 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

Abrégé

A dispersion measuring device 10 comprises: a distributed feedback type (DFB) laser 11; an electric field absorption type (EA) modulator 15 for applying pulse amplitude modulation (PAM) to the laser light supplied from the DFB laser 11 to form an optical signal; a photoelectric (O/E) converter 17 for receiving the optical signal propagated through an optical fiber 31; and a signal processing unit 20 for determining whether the dispersion of the optical fiber 31 is positive or negative on the basis of the displacement of the level of an inner eye so as to make the height of the opening of the inner eye asymmetrical with respect to an eye pattern of the optical signal received by the O/E converter 17. The dispersion of the optical fiber is determined as positive or negative.

Classes IPC  ?

• G01M 11/02 - Test des propriétés optiques

Abrégé

An operation log acquisition device according to an aspect of the present invention is provided with a communication unit, an acquisition unit, an extraction unit, an OCR processing unit, and a storage unit. The communication unit communicates with a terminal device on which a business application is installed. The acquisition unit acquires a captured image of an operation screen of the business application. The extraction unit extracts a character string by performing morphological analysis on document data of a document related to the business application. The OCR processing unit converts the captured image into text data through optical character recognition processing using the extracted character string as a whitelist. The storage unit stores the text data as an operation log of the business application.

Classes IPC  ?

• G06V 30/00 - Reconnaissance de caractèresReconnaissance d’encre numériqueReconnaissance de formes basée sur une image orientée documents
• G06V 30/262 - Techniques de post-traitement, p. ex. correction des résultats de la reconnaissance utilisant l’analyse contextuelle, p. ex. le contexte lexical, syntaxique ou sémantique
• G06V 30/26 - Techniques de post-traitement, p. ex. correction des résultats de la reconnaissance

Abrégé

An optical transmission path 10 comprises a multicore fiber 11 and multicore fibers 12 connected to both ends of the multicore fiber 11. The multicore fibers 12 have characteristics such that crosstalk between cores is reduced compared to the multicore fiber 11.

Classes IPC  ?

• G02B 6/02 - Fibres optiques avec revêtement

Abrégé

An address management device (100) comprises: an address inventory management unit (110) that manages completed payouts and pending payouts, for each address in a subnet allocated to each terminal group (11, 12) and server group (21, 22); an address payout unit (120) that, triggered by an inquiry about an address from a terminal (1) or a server (2), makes a request to the address inventory management unit (110) for an address payout, together with identifiers for the terminal and the server and information about the sites to which the terminal and the server are connected; and a gateway setting management unit (130) that, for a subnet to be added to or deleted from a route advertisement notified from the address inventory management unit (110), adds or deletes a route advertisement setting with respect to gateways (3, 4) for sites included in the notification .

Classes IPC  ?

• H04L 61/5061 - Réservoir d'adresses

Abrégé

This communication quality prediction system predicts the communication quality of wireless communication, and comprises: a parameter acquisition unit that acquires one or more wireless communication parameters of the wireless communication; a parameter prediction unit that uses the time-series data of the one or more wireless communication parameters to predict the one or more wireless communication parameters after the lapse of a prescribed time; and a communication quality prediction unit that uses the prediction results of the one or more wireless parameters predicted by the parameter prediction unit to predict the communication quality of the wireless communication after the lapse of the prescribed time.

Classes IPC  ?

• H04L 1/20 - Dispositions pour détecter ou empêcher les erreurs dans l'information reçue en utilisant un détecteur de la qualité du signal

Abrégé

A communication control device (100) according to the present embodiment comprises a determination unit (121), an instruction unit (122), and a provision unit (123). The determination unit (121) determines whether a specific condition is satisfied. If the determination unit (121) determines that the specific condition is satisfied, the instruction unit (122) instructs that an encrypted packet be captured that is transmitted and received between a host device and a communication device. The provision unit (123) provides information to be used for decrypting the packet for which capture was instructed by the instruction unit (122).

Classes IPC  ?

• H04L 43/02 - Capture des données de surveillance

Abrégé

22) is formed by crystal growth on the buffer layer; and a third step S103 in which the crystal layer formed on the buffer layer is heated in an atmosphere containing oxygen gas under a temperature condition that is higher than the temperature condition under which the crystal growth (second step) of the crystal layer is carried out. For example, the crystal layer formed on the buffer layer is heated under a temperature condition of 850-1050°C.

Classes IPC  ?

• C30B 29/16 - Oxydes
• G02B 1/02 - Éléments optiques caractérisés par la substance dont ils sont faitsRevêtements optiques pour éléments optiques faits de cristaux, p. ex. sel gemme, semi-conducteurs
• G02F 3/00 - Éléments optiques logiquesDispositifs bistables optiques

Abrégé

In a storage unit (21B) of a leaf (21), a route table (T11) for registering a destination address and an NO table (T12) for registering next hop information are managed in association with each other. A processing unit (21A) of the leaf (21): receives a command which is issued when a failure occurs and which is for deleting a table related to a plurality of next hop information items of an ECMP, and a command which is for creating a table related to next hop information items that remain without becoming unavailable; and deletes next hop information items that become unavailable from the NO table (T12) in which the plurality of next hop information items of the ECMP are registered.

Classes IPC  ?

• H04L 45/28 - Routage ou recherche de routes de paquets dans les réseaux de commutation de données en utilisant la reprise sur incident de routes

Abrégé

A determination method performed by a determination device 100 includes: a first step S1 for calculating the maximum number of optical couplers that can be formed in an optical fiber during communication between transmission devices; a second step S2 for acquiring the existing number of optical couplers formed in the optical fiber; and a third step S3 for determining, on the basis of the result of a comparison between the maximum number of optical couplers and the existing number of optical couplers, whether an optical-fiber-side surface-polished optical coupler can be implemented for the optical fiber. In the second step S2, one test light is outputted from an optical pulse test device to the optical fiber, and the number determined from the number of reflected lights reflected by a test light cutoff filter connected to the optical fiber is employed as the existing number of optical couplers.

Classes IPC  ?

• H04B 10/25 - Dispositions spécifiques à la transmission par fibres
• H04B 10/278 - Réseaux du type bus
• H04B 10/07 - Dispositions pour la surveillance ou le test de systèmes de transmissionDispositions pour la mesure des défauts de systèmes de transmission

Abrégé

This transmitter, which is used for underwater acoustic communication, comprises: a transmission data generation unit that generates a plurality of pieces of divided data of different frequency bands on the basis of transmission data, which is data to be transmitted; and a plurality of transmitters that have different resonance frequencies and that respectively transmit the generated plurality of pieces of divided data.　

Classes IPC  ?

• H04B 11/00 - Systèmes de transmission utilisant des ondes ultrasonores, sonores ou infrasonores

Abrégé

One aspect of a service route management device according to the present invention includes: a storage unit for storing communication service information and network configuration information associating a communication service and a network resource; an acquisition unit for acquiring failure information about the network resource; a conversion unit for acquiring used route information about the communication service and converting the used route information into connection information about the communication service; and a determination unit for determining whether the communication service is being affected by a failure occurrence location and a communication instability location in the network resource, and outputting affected service information based on the result of the determination.

Classes IPC  ?

• H04L 41/06 - Gestion des fautes, des événements, des alarmes ou des notifications
• H04L 41/0226 - Correspondance ou conversion entre plusieurs protocoles de gestion de réseaux
• H04L 41/12 - Découverte ou gestion des topologies de réseau

Abrégé

Provided according to one embodiment is a measurement system, wherein a base station comprises a base station transmission unit that transmits a packet, a transmission frequency control unit that controls the frequency of transmission of the packet to a mobile object, and a base station reception unit that receives a packet transmitted by the mobile object, the mobile object comprises an operation route control unit that sets a plurality of radio wave measurement positions in a target region to be subjected to measurement of the propagation characteristic of a radio wave transmitted by the base station, and calculates the shortest route sequentially passing through the measurement positions, an automated operation unit that moves the mobile object according to the shortest route, a reception unit that receives the packet using the radio wave transmitted by the base station, and a transmission unit that transmits, to the base station, the packet including, as feedback information, the propagation characteristic of the radio wave received by the reception unit, and another device comprises a packet capture unit that captures the packet using the radio wave transmitted and received between the base station and the mobile object, and a radio quality extraction unit that extracts communication quality information of a propagation path from the captured packet.

Classes IPC  ?

• H04W 16/18 - Outils de planification de réseau
• H04W 24/06 - Réalisation de tests en trafic simulé
• H04W 24/10 - Planification des comptes-rendus de mesures

Abrégé

This communication control device is in a wireless communication system which includes: a plurality of edge bases each provided with an edge server and a transfer device; and the communication control device. The communication control device includes: an acquisition unit that acquires the traffic volume at the plurality of edge bases; a priority determination unit that determines an edge server priority for each edge base, on the basis of the network distance between the edge servers and the traffic volume at the plurality of edge bases; and a priority setting unit that sets, in the wireless communication system, the edge server priority determined for each edge base.

Classes IPC  ?

• H04W 28/084 - Équilibrage ou répartition des charges entre les entités de virtualisation des fonctions de réseau [NFV]Équilibrage ou répartition des charges entre les entités de calcul en périphérie, p. ex. calcul en périphérie multi-accès

Abrégé

A wireless communication device according to the present invention comprises: a plurality of cell resources for controlling communication with a terminal in a cell formed by a plurality of antennas; a control unit for acquiring a required cell resource amount, controlling, on the basis of the acquired cell resource amount, switching of connection between the antennas and the cell resources so as to aggregate the cell resources to which the antennas are connected, and setting, to a sleep state or a stop state, the cell resources to which the antennas are no longer connected due to the switching; and a switching unit for executing the switching of the connection between the antennas and the cell resources in accordance with the control by the control unit.

Classes IPC  ?

• H04W 28/16 - Gestion centrale des ressourcesNégociation de ressources ou de paramètres de communication, p. ex. négociation de la bande passante ou de la qualité de service [QoS Quality of Service]
• H04W 52/02 - Dispositions d'économie de puissance
• H04W 88/08 - Dispositifs formant point d'accès

Abrégé

This measuring device comprises: a plurality of measuring units (5a to 5c) that measure an operation value in accordance with an operation time; and delay units (4b, 4c) that delay an operation start time of each of the measuring units (5a to 5c) that operate after one of the measurement units, such that the operation of said one measurement unit starts at an input time of a synchronization signal and the operation of the next measurement unit starts when the operation value of the one measurement unit reaches a predetermined threshold (Vth). Each of the measurement units (5a to 5c) starts operating at an operation start time and stops operating when the operation value reaches the threshold or when a photon detection signal is input. Furthermore, the measuring device is provided with a control unit (7) which, when the photon detection signal is input, calculates a photon arrival time on the basis of the total value of the operation value of the measurement unit that is operating and the operation values of the measurement units that have finished operating.

Classes IPC  ?

• G04F 10/00 - Appareils pour mesurer des intervalles de temps inconnus par des moyens électriques

Abrégé

An information processing device according to an embodiment comprises: an input unit that receives an input of information about a priority of selection as a work place pertaining to each of a plurality of facilities; a generation unit that generates an optimization problem for obtaining a suitable facility as a work place among the plurality of facilities on the basis of the information about the priority; and a search unit that obtains a facility pertaining to a relatively high priority among the plurality of facilities as a preferential work place by searching for a solution for the generated optimization problem under a constraint condition of work in the plurality of facilities.

Classes IPC  ?

• G06N 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe
• G06N 3/126 - Algorithmes évolutionnaires, p. ex. algorithmes génétiques ou programmation génétique

Abrégé

A reconfigurable intelligent surface (RIS) module (10) includes a dielectric layer (40) including a main surface and a plurality of resonance cells (50) periodically arranged on the main surface. Each of the plurality of resonance cells have variable capacitance and a resonance frequency that varies with a value of the variable capacitance. RIS module includes a wiring pattern (60) formed on the main surface and configured to provide an electrical signal for controlling the variable capacitance to each of the plurality of resonance cells and a conductor pattern (70) formed on the main surface and located between adjacent resonance cells of the plurality of resonance cells and not in contact with the plurality of resonance cells or the wiring pattern.

Classes IPC  ?

• H01Q 15/14 - Surfaces réfléchissantesStructures équivalentes

Abrégé

The present invention provides an estimation device including: an estimation unit that estimates, with respect to point cloud data to be modeled, a point cloud which represents an object and which is represented by at least one planar model; a removal unit that removes, from the point cloud data to be modeled, a point cloud representing the object and estimated by the estimation unit; and an iteration determination unit that causes the estimation by the estimation unit and the removal by the removal unit to be repeated until a predetermined iteration end condition is met.

Classes IPC  ?

• G06T 17/00 - Modélisation tridimensionnelle [3D] pour infographie

Abrégé

A reconfigurable intelligent surface module (10) comprises: a substrate (50); and a plurality of RIS cells (20) periodically arranged on the substrate. Each of the plurality of RIS cells includes a resonator (21) including a first conductor (21A) and a second conductor (21B) separated by a gap (G) and includes an active element (22) electrically connected to the first conductor and the second conductor. The active element includes at least a p-type semiconductor layer (22B) and a n-type semiconductor layer (22C), and is configured to change the capacitance of the RIS cell including this active element. The p-type semiconductor layer is an organic semiconductor layer or a metal oxide semiconductor layer, and the n-type semiconductor layer is an organic semiconductor layer or a metal oxide semiconductor layer.

Classes IPC  ?

• H01Q 15/14 - Surfaces réfléchissantesStructures équivalentes

Abrégé

A network management device according to an embodiment of the present invention comprises: a first determination unit that, on the basis of first traffic information corresponding to a first time of a wireless network constituted by a plurality of base stations and a plurality of terminals, determines, for each of the plurality of terminals, a first base station to be associated therewith on a one-to-one basis; and a calculation unit that calculates, in association with the first time, a first number of one or more first terminals associated on a one-to-one basis with a second base station of a failure target from among the first base stations.

Classes IPC  ?

• H04W 24/08 - Réalisation de tests en trafic réel

Abrégé

This signal processing device comprises a virtual microphone signal estimation unit, an array processing unit, and an update unit. The virtual microphone signal estimation unit estimates, by using a neural network, a second acoustic signal observed by a virtual microphone on the basis of a first acoustic signal observed by a real microphone. The array processing unit performs estimation processing on the basis of the first acoustic signal and the second acoustic signal. The update unit updates a parameter of the neural network such that the loss function of the second acoustic signal with respect to a reference signal and the loss function of the estimation processing are reduced. Furthermore, the virtual microphone signal estimation unit estimates, on the basis of a third acoustic signal observed by the real microphone, a fourth acoustic signal observed by the virtual microphone, by using the neural network in which the parameter has already been updated.

Classes IPC  ?

• G10L 21/0272 - Séparation du signal de voix
• G10L 21/0316 - Amélioration de l'intelligibilité de la parole, p. ex. réduction de bruit ou annulation d'écho en changeant l’amplitude
• G10L 25/51 - Techniques d'analyse de la parole ou de la voix qui ne se limitent pas à un seul des groupes spécialement adaptées pour un usage particulier pour comparaison ou différentiation

Abrégé

This dispersion measurement device 10 includes: a distributed feedback (DFB) laser 11; an electric field absorption (EA) modulator 15 that applies pulse amplitude modulation (PAM) to the laser light supplied from the DFB laser 11, to form an optical signal; a photoelectric (O/E) converter 17 that receives an optical signal propagated through an optical fiber 31; and a signal processing unit 20 that, with respect to the eye pattern of the optical signal received by the O/E converter 17, determines whether the dispersion of the optical fiber 31 is positive or negative on the basis of the displacement of the level of the inner eye so as to make the height of the opening of the inner eye asymmetrical, the dispersion measurement device determining whether the dispersion of the optical fiber is positive or negative.

Classes IPC  ?

• G01M 11/02 - Test des propriétés optiques

Abrégé

Provided are a measurement system, a measurement method, and an analysis device that are capable of easily improving accuracy in measuring the shape of a linear structure. This measurement system for measuring the shape of a linear structure comprises a strain distribution measurement device 4 that, using a multicore optical fiber fixed along the extension direction of the linear structure, measures strain distributions that follow in the extension direction of the multicore optical fiber at two different timings or measures the difference between the strain distributions; and an analysis device 5 for calculating the shape of the multicore optical fiber using the difference between the strain distributions measured at two different timings and calculating the shape of the linear structure on the basis of the shape of the multicore optical fiber.

Classes IPC  ?

• G01B 11/16 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer la déformation dans un solide, p. ex. indicateur optique de déformation

Abrégé

Provided is an optical transmission apparatus having a configuration that facilitates application of a plurality of kinds of optical amplifiers having different amplifiable wavelength ranges, and enables execution of optical adjustment to individual signals even when output from the apparatus without performing path control in units of wavelength. The optical transmission apparatus according to the present disclosure comprises: a wavelength group demultiplexer that demultiplexes a wavelength multiplexed signal into optical signals of a wavelength group; a plurality of optical amplifiers that amplify the optical signals of the wavelength group; a wavelength-unit path processing block that executes path control in units of wavelength on the amplified optical signals of the wavelength group; an optical function device that performs optical adjustment on the amplified optical signals of the wavelength group individually; an optical switch function unit that selects an output route and an input route for optical signals of a wavelength group that is not propagated to the wavelength-unit path processing block, and outputs either an output from the wavelength-unit path processing block or the optical signals of the wavelength group that is not propagated to the wavelength-unit path processing block; and a wavelength group multiplexer that multiplexes the optical signals of the wavelength group output from the optical switch function unit.

Classes IPC  ?

• H04B 10/291 - Répéteurs dans lesquels le traitement ou l’amplification est effectuée sans conversion de la forme optique du signal
• H04J 14/02 - Systèmes multiplex à division de longueur d'onde

Abrégé

This function chain construction method executes: a step for calculating the processing speed of each of a plurality of functions on the basis of a delay in processing of a function constituting a function chain and the input data size; a step for determining parallelism of functions so as to satisfy the service request speed of the function chain; and a step for adding a buffer function, the data output interval of which has been adjusted, to the head of the function chain so as to prevent occurrence of an omission of data in a function among the plurality of functions.

Classes IPC  ?

• H04L 45/0377 - Routes traversant obligatoirement les nœuds liés au service pour le chaînage de services

Abrégé

A notification device includes a calculation parameter acquisition unit that acquires information regarding physical features, work conditions, and environmental conditions of a measurement target person, a biological information prediction unit that predicts biological information of the measurement target person for each of times in a case where the measurement target person performs work under conditions specified by the work conditions and the environmental conditions on the basis of the information acquired by the calculation parameter acquisition unit, a time prediction unit that predicts a time at which the biological information predicted by the biological information prediction unit will exceed a predetermined threshold value, and a heat risk notification unit that notifies a work manager or the measurement target person of heat countermeasure information based on the time predicted by the time prediction unit.

Classes IPC  ?

• G16H 50/30 - TIC spécialement adaptées au diagnostic médical, à la simulation médicale ou à l’extraction de données médicalesTIC spécialement adaptées à la détection, au suivi ou à la modélisation d’épidémies ou de pandémies pour le calcul des indices de santéTIC spécialement adaptées au diagnostic médical, à la simulation médicale ou à l’extraction de données médicalesTIC spécialement adaptées à la détection, au suivi ou à la modélisation d’épidémies ou de pandémies pour l’évaluation des risques pour la santé d’une personne
• G16H 10/60 - TIC spécialement adaptées au maniement ou au traitement des données médicales ou de soins de santé relatives aux patients pour des données spécifiques de patients, p. ex. pour des dossiers électroniques de patients
• G16H 40/67 - TIC spécialement adaptées à la gestion ou à l’administration de ressources ou d’établissements de santéTIC spécialement adaptées à la gestion ou au fonctionnement d’équipement ou de dispositifs médicaux pour le fonctionnement d’équipement ou de dispositifs médicaux pour le fonctionnement à distance

Abrégé

An optical switch includes a plurality of fifth ports and a plurality of sixth ports. A plurality of fifth ports of the optical switch are connected to a second ports of a first multiplexer-demultiplexer and a fourth ports of a second multiplexer-demultiplexer. A direction in which a wavelength component of a first wavelength out of an optical signal passing through the first port of the first multiplexer-demultiplexer travels and a direction in which the wavelength component of the first wavelength out of an optical signal passing through the third port of the second multiplexer-demultiplexer travels are opposite to each other.

Classes IPC  ?

• H04J 14/02 - Systèmes multiplex à division de longueur d'onde
• H04B 10/275 - Réseaux du type anneau
• H04B 10/291 - Répéteurs dans lesquels le traitement ou l’amplification est effectuée sans conversion de la forme optique du signal

Abrégé

The present invention includes a transmission line in which a connection line and an impedance converter are connected and a measurement surface which is brought into direct or indirect contact with a measurement target object M and outputs an electromagnetic wave to the measurement target object. The connection line has a first characteristic impedance that is the same as that of a dielectric spectroscopy system. An end on the connection line side of the impedance converter has the first characteristic impedance, and an end on the measurement surface side thereof has a second characteristic impedance different from the first characteristic impedance.

Classes IPC  ?

• G01N 27/02 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant l'impédance

Abrégé

Provided are a light source that radiates (projects) infrared rays to a surface of a coating film which is an observation target, an infrared camera that captures a thermal image (infrared image) of a place irradiated with the infrared rays, and a display unit that displays the thermal image captured by the infrared camera. The thermal image captured by the infrared camera and displayed on the display unit is an image virtualized by superimposing a state (temperature distribution) of an infrared ray emitted from an object (for example, a coating film of a building) on which the infrared ray is projected in the shape of the object.

Classes IPC  ?

• G01N 25/72 - Recherche de la présence de criques

Abrégé

An optical receiving apparatus includes: a first branching unit that branches an input optical signal into a first optical signal and a second optical signal; a reception amplification unit that amplifies power of the first optical signal; a compensation unit that compensates for wavelength distortion of the first optical signal whose power has been amplified; a first detection unit that detects power of the second optical signal; a first control unit that controls an amount of compensation for the wavelength distortion on the basis of the power of the second optical signal; a second branching unit that branches the first optical signal compensated for the wavelength distortion into a third optical signal and a fourth optical signal; a second detection unit that detects power of the third optical signal; and a second control unit that controls an amplification factor of the power of the first optical signal before the compensation for the wavelength distortion on the basis of the power of the third optical signal.

Classes IPC  ?

• H04B 10/2507 - Dispositions spécifiques à la transmission par fibres pour réduire ou éliminer la distorsion ou la dispersion
• H04B 10/079 - Dispositions pour la surveillance ou le test de systèmes de transmissionDispositions pour la mesure des défauts de systèmes de transmission utilisant un signal en service utilisant des mesures du signal de données

Abrégé

A concrete test piece includes concrete having a planar first surface, a metal embedded in the first surface, and a nickel film or a palladium film formed on the first surface including the metal.

Classes IPC  ?

• G01N 33/38 - BétonChauxMortierPlâtreBriquesProduits céramiquesVerre
• G01N 1/28 - Préparation d'échantillons pour l'analyse
• G01N 17/02 - Systèmes de mesure électro-chimique de l'action due aux intempéries, de la corrosion ou de la protection contre la corrosion
• G01N 27/26 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant des variables électrochimiquesRecherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en utilisant l'électrolyse ou l'électrophorèse

Abrégé

In a video quality estimation apparatus for estimating a video quality of a video having a screen layout in which parts are arranged, the video quality of the video is estimated based on a video quality of each of the parts forming the video and a layout resolution of each of the parts on the screen layout.

Classes IPC  ?

• H04N 21/24 - Surveillance de procédés ou de ressources, p. ex. surveillance de la charge du serveur, de la bande passante disponible ou des requêtes effectuées sur la voie montante

Abrégé

The present disclosure is a photonic crystal fiber in which a plurality of holes are formed in a cladding, having a uniform light refractive index, capable of propagating three modes of a fundamental mode, a first higher-order mode, and a second higher-order mode, wherein the plurality of holes are disposed in a triangular lattice pattern so as to surround a center of the photonic crystal fiber with no hole disposed at the center of the photonic crystal fiber, and the photonic crystal fiber has a ratio d/A of a diameter d of each of the holes to a pitch A between the holes such that a confinement loss of a third higher-order mode at a minimum wavelength within a used wavelength range is 1.0 dB/m or more and a confinement loss at a maximum wavelength is 0.001 dB/km or less.

Classes IPC  ?

• G02B 6/02 - Fibres optiques avec revêtement

Abrégé

Provided is a technique for providing feedback on the degree of utterance volume to an utterer. The utterance feedback device includes: an utterance volume evaluation unit that generates an evaluation value for a volume of an utterance voice (referred to as utterance volume evaluation value, hereinafter) from a first sound collection signal that is output by a first microphone installed near an utterer to collect an utterance voice, which is a voice of the utterer, and a second sound collection signal that is output by a second microphone installed at a position farther away from the utterer than the first microphone to collect the utterance voice; and a feedback sound signal generation unit that generates a signal for emitting, from a speaker, a feedback sound indicating the degree of the volume of the utterance voice to the utterer (hereinafter referred to as a feedback sound signal), from the first sound collection signal, by using a feedback gain corresponding to the utterance volume evaluation value.

Classes IPC  ?

• H04R 3/00 - Circuits pour transducteurs

Abrégé

A masking technology is provided for curbing discomfort at the time of a change in a masking sound by presenting a video corresponding to the masking sound at the time of the change in the masking sound. A masking device includes: a spoken voice volume evaluation unit configured to generate an evaluation value for a volume of a spoken voice (hereinafter referred to as a spoken voice volume evaluation value) from a spoken voice signal by using, as the spoken voice signal, a sound collection signal output by a microphone installed for collecting the spoken voice which is a voice of a speaking person; a masking sound signal generation unit configured to generate a signal for emitting a masking sound from a speaker (hereinafter referred to as a masking sound signal) corresponding to the spoken voice volume evaluation value, the masking sound preventing the spoken voice from being heard by surrounding persons other than the speaking person; and a masking video signal generation unit configured to generate a signal for presenting a video corresponding to the masking sound (hereinafter referred to as a masking video signal) from a video presentation device.

Classes IPC  ?

• G10K 11/175 - Procédés ou dispositifs de protection contre le bruit ou les autres ondes acoustiques ou pour amortir ceux-ci, en général utilisant des effets d'interférenceMasquage du son
• H04R 1/40 - Dispositions pour obtenir la fréquence désirée ou les caractéristiques directionnelles pour obtenir la caractéristique directionnelle désirée uniquement en combinant plusieurs transducteurs identiques

Abrégé

A measurement device (100) comprises: a measurement unit (113) that measures the communication quality between a first measurement endpoint node and a second measurement endpoint node, which are nodes in a routable network, by using a first measurement packet that passes through the first measurement endpoint node and the second measurement endpoint node, a second measurement packet that is sent back at the first measurement endpoint node, and a third measurement packet that is sent back at the second measurement endpoint node; and an encapsulation unit (115) that, if the route to the first measurement endpoint node includes a non-routable network, sets the first measurement packet and the second measurement packet to pass through a tunnel for which the termination is set to be a node of the routable network including the first measurement endpoint node.

Classes IPC  ?

• H04L 43/0852 - Retards
• H04L 45/50 - Routage ou recherche de routes de paquets dans les réseaux de commutation de données utilisant l'échange d'étiquettes, p. ex. des commutateurs d'étiquette multi protocole [MPLS]