Abstract

A power amount reduction control device (100) includes an external factor acquisition unit (211) that acquires an external factor of air conditioning control, a Situation determination unit (212) that determines a Situation classification based on the external factor, a control value search unit (220) that calculates an air conditioning control value for each Situation classification, an air conditioning control execution unit (230) that controls an air conditioner using the air conditioning control value, a correspondence information generation unit (250) that generates control value power amount correspondence information for each Situation classification, an arrangement pattern calculation unit (310) that calculates an arrangement pattern of virtual resources, a server power consumption amount estimation unit (320) that estimates a server power consumption amount for each arrangement pattern, and an arrangement pattern determination unit (330) that calculates a total amount of the server power consumption amount and the air conditioning power consumption amount in each arrangement pattern and determines an arrangement pattern having a smallest total amount.

IPC Classes  ?

• G05B 19/042 - Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors

Abstract

An object of the present disclosure is to provide an optical multiplexing/demultiplexing circuit manufacturing device and an optical multiplexing/demultiplexing circuit manufacturing method for polishing a portion of a side surface of an optical fiber core wire by a desired polishing amount without measuring optical loss by cutting an active optical fiber core wire. An object of the present disclosure is to provide an optical multiplexing/demultiplexing circuit manufacturing device and an optical multiplexing/demultiplexing circuit manufacturing method for polishing a portion of a side surface of an optical fiber core wire by a desired polishing amount without measuring optical loss by cutting an active optical fiber core wire. To achieve the object described above, the optical multiplexing/demultiplexing circuit manufacturing device according to the present disclosure includes: an optical fiber core wire holding unit having a groove in which a portion of a side surface of an optical fiber core wire is embedded so as to protrude from an open plane by a predetermined distance; a polishing unit in which a polishing flat surface facing the open plane in parallel polishes the portion of the side surface of the optical fiber core wire; and a control unit that causes the polishing unit to start polishing the portion of the side surface of the optical fiber core wire and to finish polishing when the polishing flat surface of the polishing unit reaches the open plane.

IPC Classes  ?

• B24B 13/00 - Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
• C03C 25/005 - Surface treatment of fibres or filaments made from glass, minerals or slags by mechanical means

Abstract

The wireless communication system includes a plurality of wireless terminals each including a plurality of wireless interfaces corresponding to a plurality of channels in different frequency bands, and a wireless base station device that establishes wireless communication with the wireless terminals. Each of the wireless terminals performs channel sensing, and transmits sensing information including an identifier of a sensed channel, a sensing result of the channel, and an identifier of the wireless terminal. The wireless base station device calculates and stores a sensing time for each of the wireless terminals on the basis of the sensing information, the sensing time being an accumulated value of time required for sensing by the wireless terminal, and allocates a reward according to the sensing time to each of the plurality of wireless terminals.

IPC Classes  ?

• H04W 74/0816 - with collision avoidance
• H04W 64/00 - Locating users or terminals for network management purposes, e.g. mobility management
• H04W 76/10 - Connection setup

Abstract

A control device includes an activation unit configured to cause another virtual machine or another container to activate an application that is activated in a virtual machine or a container constructed in a server and periodically transmits control information to a control target device, a communication setting unit configured to perform, in a case where the application has been activated, setting for enabling communication between the activated application and the control target device, and a deriving unit configured to derive, as a timing at which the activation unit activates the application, a timing at which the setting is not performed between transmission of the control information from the application and reception of the control information by the control target device, wherein the activation unit causes the another virtual machine or the another container to activate the application at the derived timing.

IPC Classes  ?

• G06F 9/455 - Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines

Abstract

A trace information generation device (10) includes an acquisition unit (15a) that acquires behavior information related to a behavior of malware and collection information related to a date and time when the malware is collected, a first classification unit (15c) that classifies the malware into a first group based on the behavior information, a second classification unit (15e) that further classifies the malware classified into the first group into a second group based on the collection information, a detection unit (15b) that detects an activity trace of the malware from the behavior information, and a generation unit (15f) that generates trace information of the malware from the activity trace indicated by the malware classified into the second group.

IPC Classes  ?

• G06F 21/56 - Computer malware detection or handling, e.g. anti-virus arrangements

Abstract

A language processing device includes circuitry configured to generate an error sentence corresponding to an original sentence based on pronunciation corresponding to text data indicating the original sentence; use a language model based on a neural network model to generate a prediction sentence from the error sentence based on a language model parameter of the language model; and update the language model parameter based on a difference between the original sentence and the prediction sentence.

IPC Classes  ?

• G06F 40/284 - Lexical analysis, e.g. tokenisation or collocates
• G06F 40/268 - Morphological analysis
• G06F 40/40 - Processing or translation of natural language
• G06N 3/0895 - Weakly supervised learning, e.g. semi-supervised or self-supervised learning

Abstract

A terminal apparatus includes a determination unit and a transmission unit. The determination unit determines a target of transmission power regulation based on a beacon frame. The transmission unit, in a case where it is determined that the target of regulation is not a transmission power density, transmits a first frame in a first frequency band, and in a case where it is determined that the target of regulation is a transmission power density, transmits a second frame which is a duplicate of the first frame in a second frequency band while transmitting the first frame in the first frequency band.

IPC Classes  ?

• H04W 52/36 - Transmission power control [TPC] using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
• H04L 1/00 - Arrangements for detecting or preventing errors in the information received
• H04W 52/42 - TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity

Abstract

A learning model construction device (3A) according to the present disclosure includes: a plurality of learning units (354-k) that constructs a respective plurality of learning models by using a respective plurality of loss functions different from each other on the basis of teacher data in which image data indicating a learning image is associated with a true value of a scale of the learning image; a plurality of verification units (355-k) that respectively calculates, for an optimal verification image, a plurality of estimated values; a plurality of correlation calculation units (356-k) that calculates respective correlations of the true value with the plurality of estimated values of the scale; and an optimal learning model selection unit (357) that selects an optimal learning model that is a learning model of which a corresponding one of the correlations is the highest.

IPC Classes  ?

• G06V 10/776 - Validation; Performance evaluation
• G06T 7/60 - Analysis of geometric attributes
• G06V 10/774 - Generating sets of training patterns; Bootstrap methods, e.g. bagging or boosting
• G06V 10/82 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using neural networks
• G06V 10/98 - Detection or correction of errors, e.g. by rescanning the pattern or by human intervention; Evaluation of the quality of the acquired patterns

Abstract

A power difference compensation apparatus according to an embodiment is a power difference compensation apparatus that compensates for a difference between a power supply amount by renewable energy and a power demand amount of a load. The power difference compensation apparatus includes: a compensation pattern calculation unit configured to calculate, as a compensation pattern, a combination of a resource for compensating for a difference due to a long-term supply and demand variation in the difference and control content for the resource; and a long-term variation compensation unit configured to compensate for a difference due to the long-term supply and demand variation by controlling the resource based on the compensation pattern.

IPC Classes  ?

• H02J 3/32 - Arrangements for balancing the load in a network by storage of energy using batteries with converting means

Abstract

There is provided a waveguide type optical coupler that maintains a constant branching ratio in a wide wavelength region without wavelength dependency and polarization dependency. A waveguide type optical coupler includes a Mach-Zehnder interferometer that includes two arm waveguides between two directional couplers. In the waveguide type optical coupler, waveguide widths of the two waveguides in a coupling portion of the directional coupler are different from each other.

IPC Classes  ?

• G02B 6/28 - Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals

Abstract

A classification device includes a first identification unit that receives, as input, utterance data including an utterance of a first speaker and an utterance of a second speaker in a dialogue and, using a first identification model/rule, identifies respective utterance types of the utterances included in the utterance data, a second identification unit that receives, as input, the utterance data and the utterance type of each of the utterances, using a second identification model/rule preset according to the utterance types, identifies a first identification utterance indicating an inquiry and a second identification utterance in response to the first identification utterance in the utterance data, and outputs pair data of utterances indicating the first identification utterance and the second identification utterance, and a result classification unit that receives, as input, the output pair data of utterances, and, using a result classification model/rule, classifies a response result of the dialogue included in the utterance data as a response result kind.

IPC Classes  ?

• G10L 17/06 - Decision making techniques; Pattern matching strategies
• G10L 17/02 - Preprocessing operations, e.g. segment selection; Pattern representation or modelling, e.g. based on linear discriminant analysis [LDA] or principal components; Feature selection or extraction

Abstract

A wireless communication system includes a multi-device-compatible base station to mixedly accommodate one or more first wireless terminals capable of performing simultaneous communication by a plurality of different communication schemes. There is a control device configured to control the base station. The control device includes a collection unit that collects scheme information regarding the communication schemes by which the first wireless terminals are able to perform communication and scheme information regarding the communication schemes by which the second wireless terminals are able to perform communication. There is also a distribution control unit that controls distribution of traffic.

IPC Classes  ?

• H04W 48/06 - Access restriction performed under specific conditions based on traffic conditions
• H04W 28/08 - Load balancing or load distribution
• H04W 84/12 - WLAN [Wireless Local Area Networks]

Abstract

An aspect of the present invention is a communication path search device that constructs a multicast path of a plurality of nodes connected to a network, the communication path search device including a network device information management unit configured to manage a device specification including constraint information on the number of branches of each of the nodes on the network, a network topology management unit configured to manage link information between the nodes on the network, and a multicast tree calculation unit configured to construct a Steiner tree of a path connecting a start node and an end node based on a new request, an existing request, the constraint information on the number of branches of each of the nodes, constraint information on a maximum number of branches of each of the nodes, and the link information, the new request and the existing request each including start node and end node information.

IPC Classes  ?

• H04L 45/24 - Multipath

Abstract

A division unit divides communication traffic in a communication network into a plurality of streams. A calculation unit calculates a first abnormality degree based on a result of autoregressive analysis of a first stream among the plurality of streams, and a second abnormality degree based on a comparison result between the first stream and a second stream similar to the first stream. A determination unit determines whether the cause of the abnormality is the first stream, a stream different from the first stream, or a communication network based on the first abnormality degree and the second abnormality degree.

IPC Classes  ?

• H04L 43/08 - Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
• H04L 41/147 - Network analysis or design for predicting network behaviour

Abstract

A program execution system including a data holding apparatus; a program providing apparatus; and a data processing apparatus that includes a mechanism for performing secret computing in a secure area is provided. The data holding apparatus transmits encrypted data of data D to the data processing apparatus, the program providing apparatus transmits an encrypted program of a program P to the data processing apparatus, the program providing apparatus transmits a secret key SKp to the data processing apparatus, the data processing apparatus generates a first signature by the secret key SKp on behalf of the program providing apparatus and transmits the first signature to the data holding apparatus, the data holding apparatus verifies the first signature and transmits a secret key SKd to the data processing apparatus, and the data processing apparatus computes, in the secure area, a result P(D) by executing the program P based on the data D.

IPC Classes  ?

• H04L 9/32 - Arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system
• H04L 9/08 - Key distribution

Abstract

An information processing apparatus includes a monotonic neural network, and a first calculation unit configured to calculate a cumulative intensity function based on an output from the monotonic neural network and a product of a parameter and time.

IPC Classes  ?

• G06N 3/08 - Learning methods

Abstract

A vibration perception position control device includes a sound image localization setting unit, a vibration signal generation unit, a synchronization control unit, a guidance control unit, a sound control unit, and a vibration control unit. The sound image localization setting unit performs setting for localizing a sound image in a drive signal of a sound device on the basis of information indicating a direction of a sound source of each sound included in sound data. The vibration signal generation unit generates a vibration signal on the basis of information indicating vibration of a vibration device that applies vibration to a palm surface of a user. The synchronization control unit performs control to synchronize timings at which sound and vibration are generated. The guidance control unit controls presentation of guidance information for guiding the orientation and angle of the palm surface.

IPC Classes  ?

• G06F 3/01 - Input arrangements or combined input and output arrangements for interaction between user and computer
• G06F 3/16 - Sound input; Sound output

Abstract

An aspect of the present invention is an optical transmission device including a connector that is able to be connected to an accommodation module accommodating an optical fiber such that optical communication is performed, an optical switch that receives an optical signal from the connector and outputs an optical signal to the connector, an optical switch controller that controls the optical switch, an up wavelength multiplexer/demultiplexer that multiplexes light of a plurality of wavelengths output from the optical switch and outputs the multiplexed light to a transmission line, and a down wavelength multiplexer/demultiplexer that demultiplexes light input from the transmission line and outputs the demultiplexed light to the optical switch, wherein the connector can be connected to any one of a one-core accommodation module and a two-core accommodation module as the accommodation module.

IPC Classes  ?

• H04Q 11/00 - Selecting arrangements for multiplex systems

Abstract

A communication system according to one embodiment is a communication system including a plurality of communication apparatuses, in which each communication apparatus includes: an application program configured to perform encrypted communication with another communication apparatus; a protocol conversion unit configured to transmit a message representing a predetermined procedure when a key request for a shared key to be used in the encrypted communication is received from the application program; a state management unit configured to receive a message from the protocol conversion unit to manage an execution state of the procedure, and to transmit the message to a protocol driver supporting a predetermined key sharing protocol; and a protocol driver configured to request a key sharing system that executes the key sharing protocol, to generate the shared key, when the message is received from the state management unit.

IPC Classes  ?

• H04L 9/40 - Network security protocols
• H04L 9/08 - Key distribution
• H04L 9/30 - Public key, i.e. encryption algorithm being computationally infeasible to invert and users' encryption keys not requiring secrecy

Abstract

Provided is technique for estimating a psychological/cognitive state of a subject during task execution by using time-series data related to a blinking of the subject during the task execution. A time-series data acquisition unit that acquires time-series data (hereinafter referred to as subject time-series data) related to the blinking of the subject during a predetermined task, and a state estimation unit that generates a state estimation result indicating a psychological/cognitive state of the subject from the subject time-series data and time-series data (hereinafter referred to as reference time-series data) related to a blinking serving as a reference are included.

IPC Classes  ?

• A61B 5/16 - Devices for psychotechnics; Testing reaction times
• A61B 5/00 - Measuring for diagnostic purposes ; Identification of persons

Abstract

There is provided an apparatus for creating a three-dimensional model of an object having a small diameter from point cloud data representing three-dimensional coordinates. The apparatus is configured to cluster points included in the point cloud data, obtain a curve passing through points in a cluster for at least one cluster, extract point clouds disposed on a curve coincident with the curve passing through the points, and create a three-dimensional model of the object by connecting the extracted point clouds.

IPC Classes  ?

• G06T 17/00 - 3D modelling for computer graphics

Abstract

A wireless communication system according to one embodiment is a wireless communication system including: one or more wireless terminals capable of communicating by both a first communication scheme using a first frequency band and a second communication scheme using a second frequency band, which is higher than the first frequency band; and a multi-device compatible base station that accommodates the wireless terminals, and the wireless communication system includes: number-of-times measurement circuitry configured to measure the number of retries for attempting communication by the second communication scheme; and a controller to perform control such that the base station performs wireless communication by the first communication scheme without using the second communication scheme until a predetermined time elapses with respect to a wireless terminal in which the number of times measured by the number-of-times measurement circuitry exceed a predetermined number of times.

IPC Classes  ?

• H04W 28/04 - Error control

Abstract

In a multi-stage amplifier, a plurality of amplifier circuits are connected in series, and the amplifier circuit has a 0 dB frequency at which magnitude of a normalized transfer function normalized at a low frequency gain becomes 1 at a frequency other than a direct current.

IPC Classes  ?

• H03F 3/68 - Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics

Abstract

A semiconductor laser of the present invention includes a first cladding layer, an active layer, and a second cladding layer sequentially provided on a substrate, includes a ridge portion arranged in a waveguide direction in the second cladding layer and a heater arranged near the ridge portion, and has an oscillation wavelength of 1.6 μm to 2.4 μm. Furthermore, a first guide layer and a second guide layer are provided between the first cladding layer and the active layer and between the active layer and the second cladding layer, respectively, a diffraction grating is provided at a boundary between the first cladding layer and the first guide layer or a boundary between the second cladding layer and the second guide layer, and an insulating film is provided on a surface of the second guide layer excluding the ridge portion, and the heater is arranged on the insulating film.

IPC Classes  ?

• H01S 5/06 - Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
• H01S 5/22 - Structure or shape of the semiconductor body to guide the optical wave having a ridge or a stripe structure
• H01S 5/343 - Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser

Abstract

Provided is an evaluation apparatus and the like for evaluating a subject from a body motion of the subject and a behavior of an object accompanying the body motion of the subject. The evaluation apparatus evaluates, using time series data related to a body movement of a subject and time series data related to a behavior of an object accompanying the body movement, the subject on the basis of an error between a behavior of the object estimated from the body movement and an actual behavior of the object.

IPC Classes  ?

• A63B 24/00 - Electric or electronic controls for exercising apparatus of groups
• A63B 102/18 - Baseball, rounders or similar games

Abstract

A communication design support apparatus includes: a propagation model storage unit that stores a propagation model; an acquisition unit that acquires data in which structure data containing coordinate data is associated with data indicating propagation loss in a plurality of frequency bands; an input receiving unit that receives input of a frequency band for which a radio field intensity is to be estimated; and an estimation unit that inputs the frequency band to the propagation model and estimates the propagation loss.

IPC Classes  ?

• H04W 56/00 - Synchronisation arrangements
• H04L 5/00 - Arrangements affording multiple use of the transmission path

Abstract

Provided is an acoustic signal output device including a single or plurality of driver units, a first housing portion in which a wall portion is provided with a single or plurality of first sound holes for leading out a first acoustic signal emitted from one of the driver units to an outside and a single or plurality of second sound holes for leading out a second acoustic signal emitted from one of the driver units to an outside, and a second housing portion in which a wall portion is provided with a single or plurality of third sound holes for leading out a third acoustic signal emitted from one of the driver units to an outside and a single or plurality of fourth sound holes for leading out a fourth acoustic signal emitted from one of the driver units to an outside. Here, an attenuation rate of the first acoustic signal at a farther second point with reference to a first point is equal to or less than a predetermined value smaller than an attenuation rate due to air propagation of an acoustic signal at the second point with reference to the first point. Alternatively, an attenuation amount of the first acoustic signal at the second point with reference to the first point is equal to or more than a predetermined value larger than an attenuation amount due to air propagation of an acoustic signal at the second point with reference to the first point.

IPC Classes  ?

• H04R 1/10 - Earpieces; Attachments therefor
• H04R 1/28 - Transducer mountings or enclosures designed for specific frequency response; Transducer enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
• H04R 1/34 - Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
• H04R 1/40 - Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
• H04R 3/12 - Circuits for transducers for distributing signals to two or more loudspeakers

Abstract

An information processing apparatus includes processing circuitry configured to receive an analysis target sentence as an input and generate a generation sentence, the generation sentence being a sentence regarding content of the analysis target sentence, and a classification type, the classification type being information indicating whether or not the generation sentence is a question sentence for information in which an answer is not included in the analysis target sentence, using a machine learning model learned in advance, and output the generation sentence and the classification type generated.

IPC Classes  ?

• G06F 40/279 - Recognition of textual entities
• G06F 40/40 - Processing or translation of natural language

Abstract

One aspect of the present invention acquires sensor data reflecting a motion state of a measurement object at a preset sample rate, estimates a feature amount representing the motion state from the acquired sensor data, compares the estimated feature amount with a determination index prepared in advance to generate determination information of the motion state, and variably sets a transmission parameter for transmitting the sensor data to a remote place for each sample on the basis of the generated determination information.

IPC Classes  ?

• A63B 24/00 - Electric or electronic controls for exercising apparatus of groups
• H04W 4/38 - Services specially adapted for particular environments, situations or purposes for collecting sensor information

Abstract

A frequency state observation system according to an embodiment includes a spectrum observation device that observes a spectrum of a frequency range that can be used by a plurality of wireless communication systems, a control device that controls the spectrum observation device to perform a plurality of single sweeps over the frequency range, and a wireless communication device that transmits, by a radio signal, information indicating a frequency of occurrence of a signal having a predetermined threshold or more included in a spectrum observed by the spectrum observation device performing a plurality of single sweeps, with respect to a predetermined time.

IPC Classes  ?

• H04W 16/18 - Network planning tools
• H04L 5/00 - Arrangements affording multiple use of the transmission path
• H04W 28/20 - Negotiating bandwidth

Abstract

An optical node device to which a first subscriber device and a second subscriber device are connected in an optical communication system in which the first subscriber device and the second subscriber device are mixed, the first subscriber device being connected by one core using different wavelengths in transmission and reception, the second subscriber device being connected by two cores using the same wavelength in transmission and reception, the optical node device including: a transmission/reception separator that transfers an optical signal transmitted from the first subscriber device and an optical signal addressed to the first subscriber device without interference; and an optical switch that controls a connection relationship between ports such that an optical signal transmitted from the first subscriber device or an optical signal addressed to the first subscriber device passes through the transmission/reception separator and an optical signal transmitted from the second subscriber device or an optical signal addressed to the second subscriber device does not pass through the transmission/reception separator, and outputs an optical signal input from a certain optical transmission line from another optical transmission line.

IPC Classes  ?

• H04Q 11/00 - Selecting arrangements for multiplex systems
• H04B 10/27 - Arrangements for networking

Abstract

A semiconductor photoelectrode includes a conductive or insulating substrate having a moth-eye structure on a surface; a semiconductor thin film disposed on a surface having the moth-eye structure of the substrate; a catalyst layer disposed on the semiconductor thin film; and a reflection layer disposed on a surface opposite to the surface having the moth-eye structure of the substrate.

IPC Classes  ?

• C25B 11/02 - Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form
• C25B 11/052 - Electrodes comprising one or more electrocatalytic coatings on a substrate
• C25B 11/087 - Photocatalytic compound

Abstract

An optical communication system including an optical switch that is connected to a plurality of optical transmission lines and outputs an optical signal input from any of the optical transmission lines to another optical transmission line, and a transfer unit configured to convert simplex transmission into duplex transmission or converts duplex transmission into simplex transmission between a subscriber device and the optical switch or between a first port of the optical switch to which the subscriber device is directly or indirectly connected and a second port opposite to the first port, and transfers the optical signal so as not to cause interference between uplink and downlink.

IPC Classes  ?

• H04Q 11/00 - Selecting arrangements for multiplex systems
• H04B 10/27 - Arrangements for networking

Abstract

The wireless communication system includes a plurality of wireless terminals each including a plurality of wireless interfaces corresponding to a plurality of channels in different frequency bands, and a wireless base station device that establishes wireless communication with the wireless terminals. Each of the wireless terminals performs channel sensing, and transmits sensing information including an identifier of a sensed channel, a sensing result of the channel, and an identifier of the wireless terminal. The wireless base station device calculates and stores the number of sensing channels for each of the wireless terminals on the basis of the sensing information, the number of sensing channels being the number of channels sensed by the wireless terminal, and allocates a reward according to the number of sensing channels to each of the plurality of wireless terminals.

IPC Classes  ?

• H04W 24/10 - Scheduling measurement reports
• H04L 5/00 - Arrangements affording multiple use of the transmission path
• H04W 72/0446 - Resources in time domain, e.g. slots or frames

Abstract

A wireless communication system includes: a first wireless terminal capable of communicating through both a first communication scheme using a first frequency band and a second communication scheme using a second frequency band higher than the first frequency band; a second wireless terminal that is compatible with communication through the first communication scheme and is not compatible with communication through the second communication scheme; and a multi-link compatible base station that accommodates the first wireless terminal and the second wireless terminal. A contention window value during transmission in communication between the base station and the first wireless terminal through the first communication scheme is set to a value greater than a predetermined value that is a contention window value during transmission in communication between the base station and the second wireless terminal through the first communication scheme.

IPC Classes  ?

• H04W 74/0816 - with collision avoidance
• H04W 8/22 - Processing or transfer of terminal data, e.g. status or physical capabilities
• H04W 74/08 - Non-scheduled access, e.g. random access, ALOHA or CSMA [Carrier Sense Multiple Access]
• H04W 84/12 - WLAN [Wireless Local Area Networks]

Abstract

There are provided a multi-core optical fiber including four step-index type cores with a standard cladding diameter and having excellent mass productivity, quality, and yield while meeting desired specifications, and a design method thereof. A multi-core optical fiber according to the present disclosure includes: four cores arranged in a square lattice shape along a longitudinal direction, each of the four cores having a step-index type refractive index distribution with a radius a; and a cladding region having a lower refractive index than that of each core and a diameter of 125±1 μm and provided on an outer peripheral portion of each core, where an absolute value of a relative refractive index difference between each core and the cladding region is Δ. The four cores are arranged so that a relationship between a minimum distance (OCT) from the center of each core to an outer periphery of the cladding region, a minimum value Λ of spacing between the cores, and the MFD at a wavelength of 1310 nm satisfies Formula C1, and the radius a of each core and the relative refractive index difference Δ between the core and the cladding region are set. There are provided a multi-core optical fiber including four step-index type cores with a standard cladding diameter and having excellent mass productivity, quality, and yield while meeting desired specifications, and a design method thereof. A multi-core optical fiber according to the present disclosure includes: four cores arranged in a square lattice shape along a longitudinal direction, each of the four cores having a step-index type refractive index distribution with a radius a; and a cladding region having a lower refractive index than that of each core and a diameter of 125±1 μm and provided on an outer peripheral portion of each core, where an absolute value of a relative refractive index difference between each core and the cladding region is Δ. The four cores are arranged so that a relationship between a minimum distance (OCT) from the center of each core to an outer periphery of the cladding region, a minimum value Λ of spacing between the cores, and the MFD at a wavelength of 1310 nm satisfies Formula C1, and the radius a of each core and the relative refractive index difference Δ between the core and the cladding region are set. [ Formula ⁢ C ⁢ 1 ] OCT ≥ 3.73 MFD + 3.43 ⁢ Λ ≤ - 5.28 ⁢ MFD + 83.54 ( C1 )

IPC Classes  ?

• G02B 6/02 - Optical fibres with cladding
• G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,

Abstract

A wireless apparatus according to an aspect of the present invention includes a threshold determination unit that determines a threshold used for determining a usage state of a frequency channel, the threshold determination unit setting the threshold to a first value when a first priority that is a priority of a frame to be transmitted is a first priority level and setting the threshold to a second value higher than the first value when the first priority is a second priority level higher than the first priority level, and a carrier sense control unit that determines the usage state of the frequency channel based on a comparison between reception power of a frame detected on the frequency channel by carrier sense and the threshold.

IPC Classes  ?

• H04W 28/20 - Negotiating bandwidth
• H04W 72/0453 - Resources in frequency domain, e.g. a carrier in FDMA
• H04W 72/56 - Allocation or scheduling criteria for wireless resources based on priority criteria

Abstract

An FPGA includes a reconfigurable circuit region, an access acceptance unit that transfers data to be processed included in a function use request from a client to a function circuit constructed in the circuit region and returns a processing result to the client, and a function token table in which a function ID that is identification information for each portion of the circuit region, a function name representing a function of the function circuit, and a token that is identification information of the function circuit are stored in association with each other.

IPC Classes  ?

• H03K 19/17728 - Reconfigurable logic blocks, e.g. lookup tables
• H03K 19/1776 - Structural details of configuration resources for memories

Abstract

An acquisition unit (15a) acquires real data. A calculation unit (15b) performs a simulation using a predetermined parameter and calculates a simulation result. A selection unit (15c) compares the simulation result with the real data corresponding to the simulation result, and selects a parameter such that the simulation result is assimilated with the real data, and the calculation unit (15b) performs the simulation using the selected parameter as the predetermined parameter.

IPC Classes  ?

• G06F 30/20 - Design optimisation, verification or simulation

Abstract

An information processing apparatus according to an embodiment includes an acquisition unit configured to acquire action history data for each user and a condition for optimizing an incentive measure; a parameter estimation unit configured to estimate a parameter value of an action model for the each user on the basis of the action history data; an optimization unit configured to calculate an optimum incentive measure for the each user on the basis of the estimated parameter value and the condition; and an output unit configured to output the optimum incentive measure.

IPC Classes  ?

• G06Q 30/0211 - Determining the effectiveness of discounts or incentives

Abstract

A base station according to an embodiment is a base station that performs wireless communication with a terminal using a directional antenna within a predetermined area, the base station including: acquisition circuitry configured to acquire data from a database that holds data indicating an antenna directivity suitable for each state of a terminal or each arrival direction of a radio wave from the terminal measured in a scale model in which a structure within a predetermined area is reduced at a predetermined scale factor; collection circuitry configured to collect a state of a terminal or an arrival direction of a radio wave from the terminal in practice within a predetermined area; and controller configured to control directivity of the directional antenna with respect to the terminal in practice within a predetermined area based on the state of the terminal or the arrival direction and data.

IPC Classes  ?

• H04B 7/0452 - Multi-user MIMO systems
• H04B 17/40 - Monitoring; Testing of relay systems

Abstract

The present disclosure aims to provide a short optical fiber-type mode converter having small wavelength dependency. The present disclosure aims to provide a short optical fiber-type mode converter having small wavelength dependency. The present disclosure is about a mode converter including a cladding having a constant refractive index, a core having a refractive index higher than the refractive index of the cladding in the cladding, and a refractive index modulation part provided to obliquely cross the core and having a different refractive index from a refractive index of surroundings.

IPC Classes  ?

• G02B 6/14 - Mode converters

Abstract

An information processing device uses a spatiotemporal database in which information about objects on a road is continuously stored in association with time information and space information. The information processing device includes a search unit that searches the spatiotemporal database for information about trajectories of objects in a predetermined area, a prediction unit that predicts future paths of the objects on the basis of the information about the trajectories of the objects, a determination unit that determines whether there is a possibility that objects will collide on the basis of the future paths, and a notification unit that notifies the affected vehicles or the smartphones in a case where there is a possibility of collision.

IPC Classes  ?

• G08G 1/16 - Anti-collision systems
• G06F 16/9537 - Spatial or temporal dependent retrieval, e.g. spatiotemporal queries

Abstract

An object of the present invention is to provide an optical transmission line test apparatus and a test method capable of measuring a cumulative crosstalk of an optical transmission line in which a plurality of uncoupled multi-core fibers are connected in series from one end side with an OTDR. An object of the present invention is to provide an optical transmission line test apparatus and a test method capable of measuring a cumulative crosstalk of an optical transmission line in which a plurality of uncoupled multi-core fibers are connected in series from one end side with an OTDR. An optical transmission line test apparatus 301 according to the present invention measures a cumulative crosstalk of an optical transmission line 50 in which a plurality of uncoupled multi-core fibers 50-i are connected in series. The optical transmission line test apparatus 301 includes a test light input unit 10 that inputs optical pulses to each of cores of the uncoupled multi-core fiber 50-1 at one end 50a of the optical transmission line 50; a reception unit 20 that receives backscattered light for each of the cores output from one end 50a; and a calculation unit 30 that acquires a loss distribution occurring in each of the cores from the backscattered light, and calculates the cumulative crosstalk from a connection loss at a connection point zj of the uncoupled multi-core fiber obtained from the loss distribution and a known inter-core mode coupling of each of the uncoupled multi-core fibers 50-i.

IPC Classes  ?

• G01M 11/00 - Testing of optical apparatus; Testing structures by optical methods not otherwise provided for

Abstract

An object of the present disclosure is to enable superimposition of point cloud data in relative coordinates acquired by a three-dimensional laser scanner on point cloud data in absolute coordinates, even when errors occur in the distance measurement by the three-dimensional laser scanner. The present disclosure is a three-dimensional point cloud coordinate conversion device configured to acquire first and second point cloud data of relative coordinates centered at first and second origins and absolute coordinates of the first and second origins, specify reference points of an object to be measured included in the first and second point cloud data respectively, specify a contact point between circles having distances from the first origin and the second origin to the reference points as their radii, by changing at least either the first distance or the second distance, specify a rotation angle for converting the first and second point cloud data into absolute coordinates on the basis of the three points, i.e., the contact point, the first or second origin, and the reference points of the object to be measured, and rotate the first and second point cloud data.

IPC Classes  ?

• G06T 19/20 - Editing of 3D images, e.g. changing shapes or colours, aligning objects or positioning parts

Abstract

A coating material includes a base material having a sheet-like or plate-like shape, and a non-adhesive layer and an adhesive layer formed on one surface of the base material. The base material is formed with a material that prevents intrusion of an ultraviolet ray. The non-adhesive layer is formed with a material that does not have adhesiveness to a polymer material, and is formed in a first region of one surface of the base material. The adhesive layer includes a material having adhesiveness to a polymer material, and is formed in a second region in which the first region of the one surface of the base material is interposed.

IPC Classes  ?

• C09J 7/30 - Adhesives in the form of films or foils characterised by the adhesive composition
• C09J 201/00 - Adhesives based on unspecified macromolecular compounds
• G01N 17/00 - Investigating resistance of materials to the weather, to corrosion or to light

Abstract

In order to achieve the above object, a loop wiring designing apparatus according to the present disclosure creates loops in which optical fibers on a map are connected in a loop shape using input facility information and map information, deletes at least some of overlapping loops, having a certain amount of overlapping loop area or more surrounded by the loops on the map, of the created loops to cancel overlapping loops, on an occasion where a loop group, after cancelation of the overlapping loops includes a loop outside a demand number range, having an assumed demand number arising both inside and outside the loop being out of a demand number range set at discretion, repeats deletion of the loop out of the demand number range and re-cancelation of the overlapping loops, and designs a loop group including only loops in which the demand number falls within the demand number range as a selected loop group.

IPC Classes  ?

• G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,

Abstract

A data transfer device transfers a received packet. If the transfer destination of the received packet is a data processing device under control, the data transfer device (confirms the state of a shared bus, and if the shared bus is usable, transfers the packet to the data processing device of the transfer destination via the shared bus, gives the use right of the shared bus to one of the data processing devices in response to communication requirements from the data processing devices, and receives, via the shared bus, a packet from the data processing device given the use right.

IPC Classes  ?

• H04L 12/413 - Bus networks with decentralised control with random access, e.g. carrier-sense multiple-access with collision detection (CSMA-CD)
• H04L 45/021 - Ensuring consistency of routing table updates, e.g. by using epoch numbers
• H04L 45/302 - Route determination based on requested QoS
• H04L 49/9057 - Arrangements for supporting packet reassembly or resequencing

Abstract

An information processing apparatus includes: an initialization unit configured to initialize a plurality of weights based on a distribution with a positive average; a monotonic neural network to which the plurality of weights is applied; and a first calculation unit configured to calculate a cumulative intensity function based on an output from the monotonic neural network.

IPC Classes  ?

• G06N 3/0499 - Feedforward networks

Abstract

A panoramic image generation device includes an alignment processing unit 10 that generates a panoramic image by combining a plurality of divided images A to D captured by a plurality of imaging devices such that partial regions overlap and generates a coordinate table 11in which coordinates of each of the divided images A to D are associated with coordinates of the panoramic image; a luminance adjustment unit 20 that refers to the coordinate table 11, obtains a luminance magnification indicating a ratio of luminance values of pixels of two (A and B, B and C, and C and D) divided images having an overlapping region, and generates a luminance adjustment coefficient that levels a luminance difference indicated by the luminance magnification; and an image combining unit 30that generate a panoramic image by adjusting the luminance difference between the divided images and combining the divided images using the coordinate table 11, the luminance adjustment coefficient, and the divided images.

IPC Classes  ?

• H04N 23/698 - Control of cameras or camera modules for achieving an enlarged field of view, e.g. panoramic image capture
• G06T 3/4038 - Image mosaicing, e.g. composing plane images from plane sub-images

Abstract

An optical transmission apparatus includes: a distributing unit which distributes a laser beam based on a first oscillation frequency; a phase modulator which generates, using the laser beam based on the first oscillation frequency, a phase-modulated signal that is an optical signal phase-modulated in accordance with a modulated signal; a multiplexing unit which multiplexes a laser beam based on a second oscillation frequency and the phase-modulated signal; a detecting unit which generates a frequency-modulated signal by performing detection processing on a result of multiplexing of the laser beam based on the second oscillation frequency and the phase-modulated signal; and an intensity modulator which generates, using the laser beam based on the first oscillation frequency, an optical signal intensity-modulated in accordance with the frequency-modulated signal.

IPC Classes  ?

• H04B 10/516 - Transmitters - Details of coding or modulation
• H04J 14/02 - Wavelength-division multiplex systems

Abstract

In order to achieve the above object, the present invention individually inputs light pulses to a first core and a second core at one end of a non-coupled multicore fiber having a connection portion, and individually acquires OTDR waveforms regarding the first core and the second core, calculates ratios between backscattering intensity regarding the first core and backscattering intensity regarding the second core, at at least two points including one point on one end side with respect to the connection portion and one point on another end side with respect to the connection portion, based on the acquired OTDR waveforms, and calculates a ratio between the calculated ratio on the one end side and the calculated ratio on the another end side.

IPC Classes  ?

• G01M 11/00 - Testing of optical apparatus; Testing structures by optical methods not otherwise provided for

Abstract

A learning apparatus according to an embodiment includes: an input unit that inputs a set of normal data of a first system serving as a target domain and a set of normal data of a second system serving as a source domain; and a learning unit that learns a model including a first encoder having data of the target domain as an input, a second encoder having data of the source domain as an input, a discriminator having output data of either the first encoder or the second encoder as an input to discriminate whether the output data is data indicating a feature of either the target domain or the source domain, and a DeepSVDD having the output data as an input, by using the set of normal data of the first system and the set of normal data of the second system.

IPC Classes  ?

• G06F 11/14 - Error detection or correction of the data by redundancy in operation, e.g. by using different operation sequences leading to the same result

Abstract

An optical communication device includes: a first optical switch that is connected to a plurality of optical transmission lines and outputs an optical signal input from any of the optical transmission lines to another optical transmission line; a second optical switch that is connected to a plurality of optical transmission lines and outputs an optical signal input from any of the optical transmission lines to another optical transmission line; and a transfer unit configured to transfer an optical signal transmitted from a first device connected to the first optical switch to a specific second device connected to the second optical switch.

IPC Classes  ?

• H04Q 11/00 - Selecting arrangements for multiplex systems
• H04B 10/27 - Arrangements for networking

Abstract

An embodiment is a tactile sense presentation device including a storage device configured to store image data indicating an object, a screen display circuit configured to display the object on a screen on a basis of the image data, a tactile sense presentation circuit configured to present a tactile sense corresponding to hardness of the object to a person, a pressing force detection circuit configured to detect a pressing force generated when a person touches the tactile sense presentation circuit, and a control circuit configured to change the tactile sense to be presented by the tactile sense presentation circuit on a basis of the hardness of the object and the pressing force detected by the pressing force detection circuit.

IPC Classes  ?

• G06F 3/01 - Input arrangements or combined input and output arrangements for interaction between user and computer
• G06F 3/041 - Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
• G06F 3/04812 - Interaction techniques based on cursor appearance or behaviour, e.g. being affected by the presence of displayed objects

Abstract

A virtual machine allocation apparatus configured to perform allocation of virtual machines to a plurality of bases to which supply of electric power is performed by renewable energy power generation, includes: a prediction unit configured to acquire, for each base, a predicted value of an amount of power generation of renewable energy power generation and a predicted value of power consumption; and an allocation unit configured to repeatedly execute processing of selecting a base and a time period in which surplus power of the renewable energy power generation is maximized within a predetermined time length divided into a plurality of time periods at the plurality of bases, allocating a virtual machine selected from a control target virtual machine group including one or more movable virtual machines to the selected base and time period, and excluding the allocated virtual machine from the control target virtual machine group.

IPC Classes  ?

• G06F 9/455 - Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines

Abstract

An embodiment is a mounting structure including a high-frequency package and a mounting substrate on which the high-frequency package is mounted. In an area of a portion where a first signal lead pin and a second signal lead pin are in contact with the package housing on the bottom surface side, a recess is provided in the package housing. The recess toward the inside of the package housing up to a portion before the connection portion between the signal lead pins and the package conductor layer in the arrangement region of the signal lead pins on the side face of the package housing on the tip side of the signal lead pins.

IPC Classes  ?

• H01L 23/66 - High-frequency adaptations
• H01L 23/047 - Containers; Seals characterised by the shape the container being a hollow construction and having a conductive base as a mounting as well as a lead for the semiconductor body the other leads being parallel to the base
• H01L 23/14 - Mountings, e.g. non-detachable insulating substrates characterised by the material or its electrical properties

Abstract

The present disclosure is a control system configured to: collect a strain distribution of an underwater structure connected to an above-water structure; and control at least one of the underwater structure and the above-water structure in accordance with the strain distribution.

IPC Classes  ?

• E21B 47/001 - Survey of boreholes or wells for underwater installations
• G01M 5/00 - Investigating the elasticity of structures, e.g. deflection of bridges or aircraft wings

Abstract

A communication device that accommodates a computer connecting to a LAN in a core network improves economical efficiency at the time of consolidating an overlay network for each area by including: a determination unit that is configured to determine an area to which a transmission source of a first packet belongs on the basis of a destination of a second packet once the second packet is received, the first packet being designated to the computer from any one of a plurality of areas, the second packet being obtained by encapsulating the first packet with a destination of any one of a plurality of IP addresses allocated to the communication device for the respective areas; a first transmission unit that is configured to transmit the second packet to the computer on the basis of the destination of the second packet; and a second transmission unit that is configured to encapsulate a response from the computer in a third packet with a destination of an IP address of a representative router of the area determined by the determination unit and transmit the third packet.

IPC Classes  ?

• H04L 45/745 - Address table lookup; Address filtering
• H04L 12/46 - Interconnection of networks

Abstract

A wavelength cross connect device includes: a wavelength band switching unit configured to receive wavelength multiplexed signal beams each having been transmitted in multiple bands in optical transmission lines each including one or more optical fibers, the wavelength multiplexed signal beams each including multiplexed optical signals of distinct wavelength bands, perform wavelength band conversion on each of the wavelength multiplexed signal beams so as to convert the wavelength bands of the optical signals multiplexed in the wavelength multiplexed signal beam, and output the converted wavelength multiplexed signal beams; and a WXC unit including input-side WSSes that respectively split and output the wavelength multiplexed signal beams output from the wavelength band switching unit, and output-side WSSes mesh-connected to the input-side WSSes. The WXC unit inputs the split wavelength multiplexed signal beams to the output-side WSSes while performing rerouting and outputs the rerouted wavelength multiplexed signal beams to output transmission lines.

IPC Classes  ?

• H04Q 11/00 - Selecting arrangements for multiplex systems

Abstract

An embodiment is a deep learning inference system including a memory and processors configured to read operation code and parameters from a global memory space of the memory and perform an arithmetic operation of a neural network. The processors are further configured to read processing target data from local memory spaces corresponding to target clients, perform arithmetic operations, and store arithmetic operation results in the local memory spaces corresponding to the target clients.

IPC Classes  ?

• G06F 7/57 - Arithmetic logic units [ALU], i.e. arrangements or devices for performing two or more of the operations covered by groups  or for performing logical operations
• G06N 3/0464 - Convolutional networks [CNN, ConvNet]

Abstract

A beamformer of this invention is a beamformer configured to perform beamforming of an input electromagnetic wave and output an output electromagnetic wave, which includes a cell made of a metamaterial, and a filling material configured to fill a periphery of the cell. The metamaterial is made of a conductive organic material or a nanocarbon material. The filling material is made of a nonconductive organic material. The cell has an inductance and a capacitance. A phase of the input electromagnetic wave is changed by a change of at least one of the inductance and the capacitance.

IPC Classes  ?

• H01Q 3/36 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture varying the phase by electrical means with variable phase-shifters
• H01Q 15/00 - Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices

Abstract

An aspect of the present invention is a mobile including an optical transmitter that transmits an optical signal by irradiating a light receiver of a reception device with a beam, an instruction receiver that receives a movement instruction to move the mobile to a designated position, a position acquirer that acquires a current position of the mobile, a direction acquirer that acquires a moving direction from the current position to the designated position, and a beam controller that performs change control of changing an irradiation direction of a beam according to the moving direction within a range in which the beam is emitted to the light receiver before the mobile starts to move toward the designated position.

IPC Classes  ?

• H04B 10/112 - Line-of-sight transmission over an extended range
• H04B 10/50 - Transmitters

Abstract

A boundary clock (100) as a time synchronization device according to the present disclosure includes: an offset calculation unit (102) that calculates an offset that is a difference between device internal time of a higher-level device and device internal time of an own device; a transmission delay time calculation unit (103) that calculates a transmission delay time of a packet transmitted and received between the higher-level device and the own device; and a determination unit (111) that determines an occurrence location of a failure in time synchronization with the higher-level device on the basis of the offset and the transmission delay time, and stops synchronization of device internal time of a lower-level device with the device internal time of the own device in a case where it is determined that the occurrence location of the failure is the higher-level device.

IPC Classes  ?

• H04J 3/06 - Synchronising arrangements
• G04R 20/02 - Setting the time according to the time information carried or implied by the radio signal the radio signal being sent by a satellite, e.g. GPS

Abstract

This invention can acquire a difference in motion of a motion acquisition target object without detecting the difference from the outside of the motion acquisition target object. A motion acquisition device includes two acceleration sensors, one angular velocity sensor, an information acquisition unit, and a motion analysis unit. The two acceleration sensors and the one angular velocity sensor are arranged in the motion acquisition target object rotated around a rotation axis. The information acquisition unit acquires acceleration information detected by the two acceleration sensors and angular velocity information detected by the one angular velocity sensor. Based on the acceleration information and the angular velocity information acquired by the information acquisition unit, the motion analysis unit estimates a distance from the motion acquisition target object to the rotation axis and an attitude angle of the motion acquisition target object.

IPC Classes  ?

• G06F 3/0346 - Pointing devices displaced or positioned by the user; Accessories therefor with detection of the device orientation or free movement in a 3D space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors
• G01P 3/00 - Measuring linear or angular speed; Measuring differences of linear or angular speeds
• G01P 15/18 - Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration in two or more dimensions

Abstract

An impact cost calculation apparatus for calculating an impact cost in a case in which a virtual machine is migrated within a base or between the bases at a plurality of bases including the virtual machines includes a state confirmation unit configured to acquire either a login state or a process state, or both the login state and the process state, in each virtual machine provided at the base; and a degree-of-impact determination unit configured to calculate, for each virtual machine, an impact cost for a user caused by migration of the virtual machine, on the basis of either the login state or the process state or both the login state and the process state.

IPC Classes  ?

• G06F 9/455 - Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
• G06F 1/28 - Supervision thereof, e.g. detecting power-supply failure by out of limits supervision

Abstract

A high-performance optical and electronic integrated switch capable of effectively extending the transmission distance includes a network processor that controls the functions of the packet switch, a plurality of optical transceivers provided near the processor and having a photoelectric conversion function, and an optical relay switch. A plurality of optical waveguides are connected to the input and output sides of the optical relay switch. Each optical transceiver has a regeneration function that performs optical-electrical conversion on inputted optical signals, then turns back the converted signals, and performs signal conversion on them, and its input side is connected with a routing optical waveguide included in the optical waveguides on the output side of the switch and its output side is connected with a routing optical waveguide included in the optical waveguides on the input side of the switch. The optical waveguides include ones for connecting to an external communication counterpart.

IPC Classes  ?

• H04L 45/60 - Router architectures
• H04Q 11/00 - Selecting arrangements for multiplex systems

Abstract

A relative evaluation calculation unit (15b) calculates a relative evaluation between a first evaluation target person and an evaluation target person other than a first evaluator, for a first item out of items not directly related to the performance at the time of evaluation. An absolute evaluation calculation unit (15c) calculates an absolute evaluation of the first evaluation target person based on a predetermined criterion for a second item. An evaluation unit (15e) evaluates the first evaluator by using at least the first item and the second item.

IPC Classes  ?

• G06Q 10/0639 - Performance analysis of employees; Performance analysis of enterprise or organisation operations

Abstract

A sound signal downmix device for obtaining a downmix signal that is a signal obtained by mixing a left channel input sound signal and a right channel input sound signal includes a left-right relationship information acquisition unit 185 that obtains preceding channel information that is information indicating which of the left channel input sound signal and the right channel input sound signal is preceding and a left-right correlation coefficient that is a correlation coefficient between the left channel input sound signal and the right channel input sound signal and a downmix unit 112 that obtains the downmix signal by weighted averaging the left channel input sound signal and the right channel input sound signal to include a larger amount of an input sound signal of a preceding channel among the left channel input sound signal and the right channel input sound signal as the left-right correlation coefficient is greater, based on the preceding channel information and the left-right correlation coefficient.

IPC Classes  ?

• G10L 19/008 - Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
• G10L 19/24 - Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
• H04S 1/00 - Two-channel systems
• H04S 7/00 - Indicating arrangements; Control arrangements, e.g. balance control

Abstract

A temperature measurement device includes: a thermal conductor having a hollow structure in which a peripheral edge portion thereof is disposed in contact with a living body and which has thermal conduction anisotropy in which a thermal conductivity in an in-plane direction is higher than a thermal conductivity in a thickness direction and flexibility; a heat insulating material disposed to fill a space between the living body and the thermal conductor and having flexibility; sensors that measures a magnitude of a heat flow transmitted from the living body; a heat insulating material disposed to cover the thermal conductor and having flexibility; and an electronic circuit that calculates an internal temperature of the living body on the basis of the measured magnitude of the heat flow.

IPC Classes  ?

• A61B 5/01 - Measuring temperature of body parts

Abstract

A drone protection system that protects a drone from lightning strikes includes a Faraday cage enclosing the drone; and a wire capable of moving along the Faraday cage while maintaining connection with the Faraday cage with an end portion (connection unit) connecting to the Faraday cage.

IPC Classes  ?

• B64D 45/02 - Lightning protectors; Static dischargers
• B64C 39/02 - Aircraft not otherwise provided for characterised by special use

Abstract

Provided is a superlattice structure in which a first crystal layer having a unit lattice of Ca2Fe2O5 with a brownmillerite structure and a second crystal layer having a unit lattice of CaCuO2 with an infinite layer structure are alternately stacked. The thickness of the first crystal layer is a critical film thickness at which the first crystal layer is able to coherently grow on the second crystal layer. In this superlattice structure, the first crystal layer as the lowermost layer is formed on and in contact with a single crystal substrate, and the second crystal layer and the first crystal layer are alternately stacked on the first crystal layer formed on and in contact with the single crystal substrate.

IPC Classes  ?

• C30B 29/68 - Crystals with laminate structure, e.g. "superlattices"
• C30B 25/16 - Controlling or regulating
• C30B 25/18 - Epitaxial-layer growth characterised by the substrate
• C30B 29/22 - Complex oxides
• C30B 33/00 - After-treatment of single crystals or homogeneous polycrystalline material with defined structure

Abstract

A communication system includes a first intermediate device 10A and a second intermediate device 10B, in which the first intermediate device includes a buffer management unit 15 that determines a buffer size based on delay information and secures a buffer, a transfer unit 11 that, when data to be transferred to a second device 50 is smaller than a credit of the second intermediate device, transfers a request including the data to the second intermediate device, and a generation unit 12A that generates a pseudo-response to the request and returns the pseudo-response to the first device, and the second intermediate device includes a buffer management unit 15 that determines a buffer size based on the delay information and secures a buffer, a transfer unit 11 that transfers the request to the second device and stores the request in the buffer to update the credit of its own device, and a discarding unit 12B that discards a response received from the second device, deletes the request stored in the buffer, and updates the credit.

IPC Classes  ?

• H04L 47/30 - Flow control; Congestion control in combination with information about buffer occupancy at either end or at transit nodes
• H04L 49/9005 - Buffering arrangements using dynamic buffer space allocation

Abstract

The present disclosure provides a method for manufacturing a Nd:YAG single crystal fiber exhibiting a radial concentration distribution where the Nd concentration reaches a maximum at a central axis of the single crystal fiber. The method for manufacturing a Nd:YAG single crystal fiber according to the present disclosure involves: preparing a source material having a rod shape and containing a YAG single crystal or polycrystal, Nd, and Ca; melting an end of the source material to form a molten zone; and bringing the molten zone into contact with a seed crystal and pulling up the seed crystal to grow the single crystal fiber.

IPC Classes  ?

• C30B 29/62 - Whiskers or needles
• C30B 15/22 - Stabilisation or shape controlling of the molten zone near the pulled crystal; Controlling the section of the crystal
• C30B 29/28 - Complex oxides with formula A3Me5O12, wherein A is a rare earth metal and Me is Fe, Ga, Sc, Cr, Co or Al, e.g. garnets

Abstract

An embodiment is a computer system for processing input data, the system including a plurality of calculators, and a host connected to the plurality of calculators configured to control the plurality of calculators, wherein the processed data is configured to be transferred between the plurality of calculators, the calculator includes a trace buffer configured to record trace data upon detection of a predetermined event from the input data, and the trace data has a timestamp value that is the detection time of the event.

IPC Classes  ?

• G06F 9/50 - Allocation of resources, e.g. of the central processing unit [CPU]

Abstract

An estimation system including: an industry influence calculation unit configured to calculate a production influence amount exerted on a second industry by a change based on change information indicating a change in a first industry in which the change has been observed, a production amount in a second industry to which an evaluation target company belongs, and production inducement information from the first industry to the second industry; and a business influence calculation unit configured to calculate a sales influence amount exerted on the evaluation target company by the change based on the production influence amount.

IPC Classes  ?

• G06Q 10/0635 - Risk analysis of enterprise or organisation activities
• G06Q 10/0637 - Strategic management or analysis, e.g. setting a goal or target of an organisation; Planning actions based on goals; Analysis or evaluation of effectiveness of goals

Abstract

A micro-diaphragm pump includes a main body, a pump chamber, a diaphragm, a first electrode and a second electrode. The diaphragm is constituted of a crystal material having an electrostrictive effect. The diaphragm can be constituted of a transparent crystal material having an electrostrictive effect. The diaphragm can be constituted of either a cubic KTN [KTa1-αNbαO3 (0<α<1)] crystal or a lithium-added cubic KLTN [K1-βLiβTa1-αNbαO3 (0<α<1, 0<β<1)] crystal.

IPC Classes  ?

• F04B 43/04 - Pumps having electric drive

Abstract

A propagation model estimation system according to an embodiment includes a selection unit that selects an area for which a radio wave propagation model is to be estimated, a modeling unit that models a radio wave reflection characteristic in the selected area, a determination unit that determines a scale ratio of the selected area, a frequency scale model based on the scale ratio, and at least one material based on the modeled radio wave reflection characteristic and the frequency scale model, a creation unit that creates an area scale model in which a structure in the selected area is reduced at the scale ratio using the material by means of a 3D printer, an arrangement unit that arranges, in the area scale model, at least one transmitting station that transmits a radio wave based on the frequency scale model and at least one receiving station that receives the radio wave transmitted by the transmitting station while moving, a measurement unit that measures a propagation characteristic of the radio wave received by each of the receiving stations moving in the area scale model, and an estimation unit that estimates the radio wave propagation model on a basis of the measured propagation characteristic of the radio wave.

IPC Classes  ?

• H04B 17/391 - Modelling the propagation channel

Abstract

A computing system includes top-of-rack switches, a spine switch, and PIN blades arranged between the top-of-rack switches and resource blades. Each of the PIN blades includes a plurality of processing blocks, and each of the processing blocks includes a functional unit that performs predetermined processing on data included in the received packet.

IPC Classes  ?

• H04L 49/118 - Address processing within a device, e.g. using internal ID or tags for routing within a switch
• H04L 47/2483 - Traffic characterised by specific attributes, e.g. priority or QoS involving identification of individual flows

Abstract

A learning device includes processing circuitry configured to calculate a degree of deviation between a first output obtained by inputting first training data to a learned first model and a second output obtained by inputting second training data created by giving noise to the first training data to a second model, and a degree of deviation between an intermediate representation of the first model generated in a process of obtaining the first output and an intermediate representation of the second model generated in a process of obtaining the second output, and update a parameter of the second model so that the degree of deviation between the first output and the second output and the degree of deviation between the intermediate representation of the first model and the intermediate representation of the second model are reduced.

IPC Classes  ?

• G06V 10/82 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using neural networks

Abstract

A calculation device includes processing circuitry configured to create a second data set adjacent to a first data set based on the first data set, perform learning of a Bayesian neural network (NN) by using either the first data set or the second data set as training data, determine whether the training data used for the learning of the Bayesian NN is the first data set or the second data set based on an output of the Bayesian NN learned, and calculate a privacy risk based on a determination result.

IPC Classes  ?

• G06N 3/08 - Learning methods

Abstract

A control system controls a coupled simulation in which one simulation is constructed by combination of a plurality of simulators, the control system including processing circuitry configured to execute simulation in the plurality of simulators and acquires information including state variables in calculation processes in the simulators, manage a logical time for each of the simulators according to a causal relationship between the plurality of simulators, and instructs the wrapper unit to execute the simulation in each of the simulators by using the logical time, control information exchange between the plurality of simulators according to the causal relationship between the plurality of simulators and acquires cooperation information, which is information exchanged between the simulators, and analyze presence or absence of an abnormality in the coupled simulation on a basis of the state variables in the calculation processes and the cooperation information.

IPC Classes  ?

• G05B 23/02 - Electric testing or monitoring

Abstract

Provided is a measurement technology of an optical phase modulation amount due to sound without being affected by noise included in average light intensity. The measurement technology includes: an interference light generator that obtains first light including light subjected to optical phase modulation by a sound measurement unit and second light different from the first light and including light subjected to optical phase modulation by the sound measurement unit from light emitted from a light source; a first photodetector that obtains a first electrical signal from the first light; a second photodetector that obtains a second electrical signal from the second light; a differential signal generator that obtains a differential signal that is a difference between the first electrical signal and the second electrical signal; and an optical phase modulation amount adjuster that adjusts an optical phase modulation amount φ0 due to an element other than sound by fixing an interferometer such that a phase of an interference fringe is in mid-fringe by using the differential signal as an error signal, in which the optical phase modulation amount φs due to sound is measured as a current Δi of the differential signal, and the first photodetector and the second photodetector are adjusted such that output voltages are saturated when light that causes a phase fluctuation exceeding a predetermined range around mid-fringe is input.

IPC Classes  ?

• G01H 9/00 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means

Abstract

The present disclosure aims to detect an occurrence time point of a certain change as a change point when the change including a change in a time change pattern such as a change in a periodic fluctuation occurs, with respect to time-series data including data not satisfying a stationarity restriction or iid restriction indicating a periodic fluctuation. Therefore, the content of the present disclosure is a change point detector including an input unit that inputs time-series data representing a system state at each time point of a system including one or a plurality of devices, the time-series data being constituted by data of a dimension of the number of devices included in the system×the number of items representing a state of the devices, a time window generation conversion unit that generates converted data by converting the time-series data at each time point from data of the dimension of the number of devices×the number of items into data of a dimension of the number of devices×the number of items×a time window length, and a detection unit that detects a change point score of a system state calculated based on the converted data at each time point as a change point when the change point score exceeds a preset threshold.

IPC Classes  ?

• G06F 16/28 - Databases characterised by their database models, e.g. relational or object models
• G06F 16/25 - Integrating or interfacing systems involving database management systems

Abstract

Video data obtained by imaging a target region is acquired, and a partial region video including at least a detection target object is detected from a frame of the acquired video data. Then, feature information indicating a feature of a motion of the object is extracted from a plurality of the partial region videos detected in a first section for each first section including a plurality of frames, and first behavior feature information is generated by structuring the plurality of pieces of extracted feature information in a second section. Subsequently, a cost reflecting similarity between the generated first behavior feature information and each of a plurality of pieces of second behavior feature information related to the object prepared in advance is calculated, the second behavior feature information in which the calculated cost satisfies a preset condition is detected as search behavior information, and the detected search behavior information is output.

IPC Classes  ?

• G06V 20/52 - Surveillance or monitoring of activities, e.g. for recognising suspicious objects
• G06V 10/62 - Extraction of image or video features relating to a temporal dimension, e.g. time-based feature extraction; Pattern tracking
• G06V 10/74 - Image or video pattern matching; Proximity measures in feature spaces
• G06V 10/86 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using graph matching
• G06V 20/40 - Scenes; Scene-specific elements in video content

Abstract

A detection device includes: an encoding unit that converts one packet to be detected into one fixed-length vector by using natural language processing technology; and a detection unit that detects presence or absence of an abnormality in the packet to be detected based on the fixed-length vector converted by the encoding unit using a detection model.

IPC Classes  ?

• G06F 21/56 - Computer malware detection or handling, e.g. anti-virus arrangements

Abstract

An aspect of the present invention is a wireless communication system including an accommodation station device and a base station device connected to the accommodation station device through an optical transmission path and having n (n is an integer of 2 or more) antenna elements, wherein a plurality of optical signals having different wavelengths propagate through the optical transmission path, the wireless communication system including a prior information acquisition unit configured to execute prior information acquisition processing for acquiring, as prior information, dispersion phase difference information that is information including a dispersion phase difference that is a phase rotation amount difference generated between adjacent optical signals on a wavelength axis due to propagation of the optical signals through the optical transmission path, and a compensation phase shift unit configured to execute compensation phase shift processing for reducing a difference from a phase difference reference that is a predetermined reference on the basis of the prior information with respect to the phase rotation amount difference generated between adjacent optical signals on the wavelength axis caused by wavelength dispersion in the optical transmission line.

IPC Classes  ?

• H04B 10/2575 - Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier

Abstract

One aspect of the present invention is an optical transmission system including a transmitter connected to a transmission line having M spatial channels, and a receiver that receives a signal transmitted from the transmitter via the transmission line, wherein the transmitter includes: an allocator that allocates a transmission bit string transmitted to the transmission line into a bit string serving as a basic signal and a bit string serving as spatial channel information; a generator that generates N (M>N) signals from the bit string serving as the basic signal allocated by the allocator; and a selector that selects N spatial channels, through which the N signals generated by the generator are transmitted, from the M spatial channels on the basis of the bit string serving as the spatial channel information allocated by the allocator.

IPC Classes  ?

• H04J 14/04 - Mode multiplex systems
• H04B 10/2581 - Multimode transmission
• H04B 10/516 - Transmitters - Details of coding or modulation

Abstract

An aspect of the present invention is a communication system including a branching unit configured to branch an optical signal transmitted by a transmitter that transmits an optical signal, and a learning unit configured to update an estimation model, which is a mathematical model for estimating a state of a host system on the basis of information indicating an object characteristic that is a predetermined characteristic of the optical signal, on the basis of one of optical signals branched by the branching unit.

IPC Classes  ?

• H04B 10/079 - Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal

Abstract

AI inference system includes an encoder circuit that encodes an image captured by a camera, a decoder circuit that decodes the image, a first inference processing unit that executes first inference processing on the decoded image for each frame, a second inference processing unit that executes second inference processing with higher accuracy than the first inference only for frames of an image whose confidence value of the first inference exceeds a predetermined threshold, and a frame rate control unit that reduces frame rates of the encoder circuit and the decoder circuit from an initial value to a low speed value when the confidence value is equal to or less than the predetermined threshold.

IPC Classes  ?

• H04N 19/149 - Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
• H04N 19/172 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field

Abstract

A finger exercise assistance device according to one aspect of the present invention includes an EMS (electrical muscle stimulation) control unit configured to control: a first EMS presentation unit configured to present a first EMS to a user's extensor muscle to contract the extensor muscle; and a second EMS presentation unit configured to present a second EMS to the user's flexor muscle that is an antagonist to the extensor muscle to contract the flexor muscle, wherein the EMS control unit is configured to drive the second EMS presentation unit to present the second EMS to the user's flexor muscle while the first EMS is presented to the user's extensor muscle, and the second EMS has a stronger intensity than the first EMS.

IPC Classes  ?

• A61N 1/36 - Applying electric currents by contact electrodes alternating or intermittent currents for stimulation, e.g. heart pace-makers
• A61N 1/372 - Arrangements in connection with the implantation of stimulators

Abstract

A correlation between environment data at a buried location and magnitude of a corrosion rate of each of a plurality of corrosion samples is obtained. A score based on the magnitude of the corrosion rate is set for the environment data at the buried location of each of the plurality of corrosion samples on the basis of the correlation between the environment data and the magnitude of the corrosion rate. The score set for the environment data is set as a score of the plurality of corresponding corrosion samples. A risk of corrosion of a metal structure to be buried in the buried locations of the plurality of corrosion samples is estimated on the basis of the score set.

IPC Classes  ?

• G01N 17/00 - Investigating resistance of materials to the weather, to corrosion or to light

Abstract

A hetero-junction bipolar transistor includes an n-type collector layer made of InGaN, a base layer formed on the collector layer and made of GaN, and an emitter layer formed on the base layer and made of a nitride semiconductor containing Al, in which the collector layer, the base layer, and the emitter layer are formed in a state in which the principal surface is a group V polar plane. The base electrode can be formed in contact with the upper part of the base layer around the emitter layer formed in a mesa shape.

IPC Classes  ?

• H01L 29/737 - Hetero-junction transistors
• H01L 29/20 - Semiconductor bodies characterised by the materials of which they are formed including, apart from doping materials or other impurities, only AIIIBV compounds
• H01L 29/417 - Electrodes characterised by their shape, relative sizes or dispositions carrying the current to be rectified, amplified or switched
• H01L 29/66 - Types of semiconductor device

Abstract

There is provided an electrolyte membrane that is disposed between an electrolytic solution in an oxidation tank and a reduction electrode in a reduction tank to be in contact with both the electrolytic solution and the reduction electrode and is used in a carbon dioxide reduction device which performs a carbon dioxide reduction reaction by bringing carbon dioxide into direct contact with the reduction electrode, the electrolyte membrane including: a water-repellent film on a part of a surface which is in contact with the electrolytic solution.

IPC Classes  ?

• C25B 13/02 - Diaphragms; Spacing elements characterised by shape or form
• C25B 9/23 - Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
• C25B 13/08 - Diaphragms; Spacing elements characterised by the material based on organic materials

Abstract

A first transmission apparatus receives a data signal transmitted by a communication apparatus from a lower transmission apparatus sets the received data signal in a data unit, and transmits the data unit. A second transmission apparatus receives the data unit transmitted by the first transmission apparatus. An electric power controller calculates an arrival start timing that is a timing at which the data unit including a data signal transmitted from a communication apparatus starts to arrive at the second transmission apparatus on a basis of a code rate and a size of a data transmission block used when the communication apparatus transmits the data signal, and performs control such that a sleep state of a signal processor that performs processing on the data unit in the second transmission apparatus is ended before the arrival start timing.

IPC Classes  ?

• H04W 52/02 - Power saving arrangements

Abstract

An object of this disclosure is to reduce a total time required for data collection and improve data collection efficiency. An object of this disclosure is to reduce a total time required for data collection and improve data collection efficiency. According to this disclosure, there is provided a data collecting system in which a mobile base station apparatus collects data from a plurality of terminal devices arranged in a distributed manner. The mobile base station apparatus collects flag information from each terminal device of the plurality of terminal devices, the flag information indicating that the corresponding terminal device has data to be collected, by using a control signal before establishing communication with the terminal device, calculates a data collection route for collecting data from the terminal device by using the flag information; and collects data from the terminal device by moving along the calculated data collection route.

IPC Classes  ?

• H04W 4/38 - Services specially adapted for particular environments, situations or purposes for collecting sensor information
• H04L 43/12 - Network monitoring probes

Abstract

An optical communication device includes: a plurality of first distribution units that is connected to a plurality of optical transmission lines and outputs an optical signal input from any of first devices to any of the optical transmission lines; a plurality of second distribution units that is connected to a plurality of optical transmission lines and outputs an optical signal input from any of the optical transmission lines to any of second devices; and a multicast transfer unit configured to perform multicast transfer of the optical signal transmitted from the first device connected to any of the plurality of first distribution units to any of the plurality of second distribution units connected to the one or more second devices.

IPC Classes  ?

• H04B 10/27 - Arrangements for networking
• H04B 10/294 - Signal power control in a multiwavelength system, e.g. gain equalisation

Abstract

A relay system relays data transmitted to any one of a plurality of transmission destinations, and includes a reception unit that receives the data, a conversion unit that converts the data received by the reception unit into an optical signal having a wavelength varying according to a transmission destination to which the data is to be transmitted among the plurality of transmission destinations, and an output unit that outputs the optical signal converted by the conversion unit to an optical transmission line.

IPC Classes  ?

• H04B 10/29 - Repeaters

Abstract

A computing machine is a computing machine capable of adding or deleting a computational resource R for processing input data input from outside, and includes: a state information acquisition unit that acquires state information indicating a state of the computing machine; and a performance estimation unit that estimates, on the basis of the state indicated by the state information, a change in processing performance of the computing machine when at least one of dynamic addition or deletion of a computational resource or an increase in data amount of the input data or output data occurs.

IPC Classes  ?

• G06F 9/50 - Allocation of resources, e.g. of the central processing unit [CPU]

Abstract

An object of the present disclosure is to enable an optical switch capable of driving stable optical characteristics with respect to external factors with low power consumption to be achieved at low cost. An object of the present disclosure is to enable an optical switch capable of driving stable optical characteristics with respect to external factors with low power consumption to be achieved at low cost. The present disclosure is an optical connection device that connects a first ferrule and a second ferrule, the optical connection device including: a cylindrical sleeve into which the first ferrule and the second ferrule are inserted; a spring that abuts a distal end portion of the first ferrule and a distal end portion of the second ferrule on each other; and a holder that holds the first ferrule, the second ferrule, the cylindrical sleeve, and the spring, in which the first ferrule or the second ferrule is movable in any direction perpendicular to a central axis in the holder, and is held by the holder so as not to rotate about the central axis.

IPC Classes  ?

• G02B 6/38 - Mechanical coupling means having fibre to fibre mating means
• G02B 6/35 - Optical coupling means having switching means
• G02B 6/40 - Mechanical coupling means having fibre bundle mating means