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Document Title |
JP7241251B2 |
A optical wireless communication system, method and apparatus for use in the optical wireless communication system, that enable communication of data, e.g. LiFi, and wherein fast handover can be achieved by having neighboring access poin...
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JP7241250B2 |
A optical wireless communication system, method and apparatus for use in the optical wireless communication system, that enable communication of data, e.g. LiFi, and wherein fast handover can be achieved by having neighboring access poin...
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JP2023509290A |
A method and system are provided for correcting distortion in audio transmission. In one aspect, a method is provided that includes receiving an audio transmission that includes symbols. A first portion of an audio transmission that incl...
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JP2023509288A |
A method and system are presented for compensating for interference to audio transmissions containing data. In one aspect, a method is presented that includes receiving an audio transmission including data modulated onto an audio carrier...
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JP2023021836A |
To make it possible to perform stabler communication under water by combining radio communication using sound and radio communication using light.Underwater radio communication apparatuses 10 are provided at mobile bodies 2, 3 that are m...
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JP7218615B2 |
To make it possible to precisely detect anomaly regardless of a change in a state of a wave.An underwater anomaly detection system 1 sets a target range of a beacon reception signal to proximity target range or a distal target range on t...
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JP7216520B2 |
To provide an underwater communication system capable of appropriately acquiring information based on an information signal from a received signal even if a problem occurs in the received signal due to interference, etc.An underwater com...
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JP7208570B2 |
A receiving apparatus includes: M receivers configured to receive signals based on sound waves propagating in water; M FIR filters configured to perform waveform operation on the signals received by the receivers; a combiner configured t...
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JP7199189B2 |
An underwater communications system includes a network communication interface, one or more computer processors, and a memory containing computer program code that, when executed by operation of the one or more computer processors, perfo...
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JP7195158B2 |
To provide a controlled device like an air conditioner, and a remote controller capable of easily performing setting of the remote controller or the like that remotely controls the controlled device.A remote controller 100 for remotely c...
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JP2022552460A |
A transponder (10) that provides information about the transponder (10) upon receiving an acoustic interrogation signal. The transponder (10) comprises a power supply (20), an electronic circuit (30) connected to the power supply (20), a...
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JP7187994B2 |
To provide a receiver, acquiring identification information expressed by an acoustic wave output from an output device, capable of reducing erroneous detection of the identification information while suppressing lowering of a detection s...
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JP2022549301A |
The transmitter includes a clock configured to generate one or more output clock signals. The transmitter further includes at least one frequency divider configured to generate a plurality of divided frequencies based on one or more outp...
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JP2022548941A |
A device (7) for down-converting a sampled signal repeatedly applies mixing and combining operations to subsequent subsequences of N input samples X representing the signal and having an initial sampling rate M to perform initial samplin...
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JP7174302B2 |
A communication device includes a channel estimation unit configured to estimate an impulse response based on signals of sound waves received by each of a plurality of hydrophones, a long delay removal unit configured to remove a long-de...
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JP7168849B2 |
An underwater acoustic communication system includes a transmission device including N transmitters, and a reception device. The reception device includes M (M is an integer of two or more) receivers configured to receive M reception sig...
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JP2022543620A |
The present invention particularly relates to a detection device 10 for detecting physical parameters inside a closed container 11 and transmitting the respective data to the outside of the container 11 through the container wall 14, whi...
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JP7143683B2 |
To improve error correction performance.A transmission system includes a data transmitter, and a data receiver. The data transmitter includes a function for splitting transmission object data A, B, C, D with a set size, to generate packe...
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JP2022135671A |
To provide an underwater communication system and an underwater communication method that can communicate a large volume of data over a longer distance.An underwater communication system 1 includes a transmitting device and a receiving d...
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JP7135592B2 |
To restrain decrease in signal-to-noise ratio even if a communication station is upset.An acoustic communication system 1 includes a communication station placed on-water or underwater, an acoustic communication device 3, a positional in...
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JP7134239B2 |
A mobile terminal converts token information corresponding to card information to a sound wave signal and transmits the sound wave signal to a magnetic field conversion device, and the magnetic field conversion device restores the token ...
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JP7126590B1 |
A transmitting/receiving device for an acoustic communication system is provided that enables an automatically driving machine to transmit information from the automatically driving machine to surrounding people and encourage them to tak...
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JP7118732B2 |
A spacecraft (100) including a frame (200F) including a joint (200H) coupling a first frame portion (200F1) to a second frame portion (200F2), and an acoustic communication system (110) configured to transfer acoustic data signals (ADS) ...
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JP2022114151A |
To perform simple and stable wireless communication.A wireless communication device includes: an information wireless communication part for transmitting control information by a first wireless communication system; a sound signal transm...
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JP2022108490A |
To easily add an acoustic communication function to a built-in device or a terminal device such as an information terminal.A sound wave receiving device connected to a terminal device includes a sound wave acquisition unit that acquires ...
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JP7065070B2 |
A sound wave-based data sending method, apparatus, and electronic device, a sound wave-based data receiving method, apparatus, and electronic device, and a sound wave-based data transmission system. The sound wave-based data sending meth...
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JP7057639B2 |
To improve a communication device underwater.A transmitter of a communication device underwater that propagates high-frequency current has two pieces or two faces of transmission facing electrodes disposed outside away from each other an...
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JP2022061726A |
To superpose sound on a transmission signal.A transmission device 1 for transmitting data by a sound wave, and the sound wave is based on a transmission signal generated by modulation of a carrier wave by data. The transmission device 1 ...
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JP7052348B2 |
To allow for more efficient acquisition of prescribed information contained in sound wave, without using any special information terminal, in an information provision system for providing information by using the sound wave outputted fro...
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JP7045311B2 |
Disclosed is a broadband underwater acoustic transceiver device. The device can be used in particular for positioning, detection, range finding or underwater acoustic communication. The device coaxially combines, within a transceiver dev...
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JP7033256B2 |
To improve reliability of acoustic communication between a surface navigating body navigating on water surface and an unmanned diving machine.In an unmanned diving machine 1, a power control unit 130 controls power device to move the unm...
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JP7032735B2 |
To allow a precise positioning by an underwater acoustic communication even when there is an influence of a multi-pass.A reception unit 21 receives transmission data 31 sent from an underwater transmitter 10. A positioning calculation un...
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JP2022516262A |
Embodiments of methods and systems for controlling the power supplied to the implantable devices within the subject are described. In some embodiments, the method is performed in an implantable device to receive feeding ultrasound with w...
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JP7017367B2 |
To provide an underwater acoustic MIMO communication system using a parametric method that can improve the communication quality and reliability of acoustic communication in water (under water, etc.) by applying the parametric method and...
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JP7015398B2 |
One embodiment of the present invention provides a method for receiving and processing a sound wave of an application executed in a computing device, the method comprising: a step in which a first application receives a sound wave signal...
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JP7009674B1 |
The authentication information transmission device is disclosed. The authentication information transmission device according to an embodiment of the present invention corresponds to a storage unit for storing authentication information ...
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JP7003830B2 |
To improve communication performance for acoustic communication between a water station and an underwater vehicle.The communication state control system includes: a water station including a first acoustic communication device; an underw...
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JP2021536716A |
A device for transmitting an acoustic signal between a transmitter and a receiver is provided. The device comprises an electrical signal generator for generating a low frequency electrical signal. The device also converts the low frequen...
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JP6980255B2 |
To provide an underwater observation system in which no sound competition occurs between sea travel groups even if a plurality of sea travel groups is operated within a narrow range and a sound wave competition elimination method of the ...
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JP6971467B2 |
To provide an indoor position identification system that enables an acquisition of position information without accessing communication network.An indoor position identification system using a voice signal comprises: a speaker device tha...
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JP6965506B2 |
An underwater mobile body include: a communication unit that performs underwater wireless communication with a relay device; a detection unit that detects a state of wireless communication between the relay device and the underwater mobi...
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JP6963290B2 |
To provide a communication system, a communication device, a communication method, and a program, which allow for stable communication, in highspeed proximity communication using voice as a transmission medium.A communication system 1 in...
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JP6940500B2 |
Tokens are assigned to data to be processed. Each token is associated with a unique sound waveform defined by at least two contemporaneous tones of different frequency. The waveforms can be emitted as sound at computing devices having sp...
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JP2021142070A |
To provide a biological information measuring device capable of keeping a communication state by a sound wave excellently by fixing a vibration member to an inner surface of a side wall part constituting a housing, and vibrating the side...
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JP2021142068A |
To provide a biological information measuring device capable of keeping a communication state by a sound wave excellently by fixing a vibration member to an inner surface of a side wall part constituting a housing, and vibrating the side...
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JP2021142069A |
To provide a biological information measuring device capable of keeping a communication state by a sound wave excellently by fixing a vibration member to an inner surface of a side wall part constituting a housing, and vibrating the side...
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JP6937334B2 |
To provide an acoustic signal formation device, acoustic reception apparatus and acoustic system, capable of fetching appropriate embedded information even when a plurality of embedded information are mixed in a reception signal.The acou...
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JP2021139950A |
To compatibly achieve simplification of operation to transmit identification information and diversification of processing by a terminal device.A terminal device comprises: an identification information acquisition part 40 which acquires...
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JP6929883B2 |
The present application discloses a data transmission method, a data transmitter, a data receiver, and a system. The present application relates to the field of information technologies, and is mainly intended to prevent pattern informat...
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JP6923860B2 |
To secure stable communication in a proximity communication using voice as the transmission media, by reducing the influence of impulse noise.A control unit of a portable communication terminal 100 puts the transmission data on a first v...
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