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JP6360354B2 |
In order to efficiently compensate for effects of the Doppler shift, a receiving device 101 includes: a Doppler estimator 11 that estimates a Doppler-shift frequency fdc of a received signal; a multiplier 12 and an LPF 13 that detect the...
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JP6356259B2 |
An acoustic wave payment method, comprising the steps of: generating, by an acoustic wave sending device (20), a transaction digital signal according to a transaction instruction, encrypting and modulating the transaction digital signal ...
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JP6329320B2 |
The present application relates to a self-adaptive receiving method, device, and system for a wireless signal, where the receiving method is characterized by: detecting an electric signal, and recording and storing a duration of each lev...
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JP2018511979A |
Some aspects of the disclosure provide methods and devices for wireless communication between devices. An exemplary method is generally a second, in order to obtain identification information by an inaudible signal and to transfer data b...
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JP2018509951A |
Provide systems and methods for ultrasonically transmitting signals between networks of implantable and wearable biological devices. A device includes one or more implantable nodes, which include sensing and / or actuating units, at leas...
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JP6305255B2 |
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JP2018042185A |
To prevent an ultrasonic wave from being attenuated by absorbing ultrasonic vibration in a tube wall normally when an ultrasonic waveguide put into a hollow tube or an object holding the ultrasonic waveguide is brought into contact with ...
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JP6275040B2 |
Provided is an ultrasonic-wave communication system where the influence of ambient noise and the Doppler effect are suppressed and where a user of a portable terminal is prevented from hearing unwanted sound. After performing encryption ...
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JP2018019135A |
To prevent interference between signals in acoustic communication.An underwater sailing body 100 and mother ship 200 includes communication devices 1a, 1b configured to comprise acoustic communication apparatuses 2a, 2b, communication co...
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JP6236171B2 |
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JP6231244B1 |
[Subject] Information is transmitted to a terminal unit, without needing use of a receiver machine sole possession of is taken by wireless communications. [Means for Solution] Reproduction system 100 is carrying out [sound / containing c...
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JP6228539B2 |
Provided is an ultrasonic-wave communication system where the influence of ambient noise and the Doppler effect are suppressed and where a user of a portable terminal is prevented from hearing unwanted sound. After performing encryption ...
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JP6207644B2 |
The various embodiments provide systems, devices, and methods which include an acoustic tag configured to transmit an acoustic signal through a contact medium that may be received by an acoustic modem, with the acoustic signal configured...
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JP6189149B2 |
To provide an information communication system capable of remarkably improving a communication speed even if a broadband network is adjacent to a narrow band network.The information communication system includes: a data management server...
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JP6171641B2 |
To enable exchange of information using acoustic waves between a plurality of devices.An image processing apparatus causes an acoustic communication unit 190 to emit a device connection information adjustment sound for performing the adj...
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JP6164980B2 |
ID transmitters, each of which can output a sound wave signal comprising sine waves of different frequencies, are installed apart from one another so that areas where each sound wave signal reaches are different. A predetermined number o...
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JP2017112567A |
To allow remote work by radio from an external communication device to an information providing device for providing information using an acoustic wave to be efficiently performed while preventing security performance of the information ...
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JP6152477B2 |
A low-power sound wave reception method in a computer which includes a microphone, a memory which stores at least one reference pattern, and a computer processor is provided. The low-power sound wave reception method includes: when a sou...
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JP2017076877A |
To materialize a communication system having enough directivity to lighten the influence of a multi-path in communication, which can be incorporated even in a compact robot.An operation direction center 3 creates a control command concer...
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JP6111760B2 |
To provide an electronic apparatus that communicates information using a sound signal under presence of ambient noise, an information processing system, and a program.An image formation device 300 includes: a memory unit 313 in which ide...
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JP2017063330A |
To provide an information providing system capable of providing users with the minimum disaster information even if a communication failure has occurred in a network.An information providing system 1 comprises: a user terminal 3 having a...
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JPWO2015016379A1 |
To provide an underwater communication system capable of extending a communicable distance of radio wave communication underwater or underwater. The underwater communication system 1 according to the embodiment has an outer shell body 2a...
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JP2017041725A |
To obtain a faster information transmission speed with a high frequency sound than ever.A channel information distribution unit 52 distributes transmission information to each of n channels (n is an arbitrary integer value of 2 or greate...
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JP2017502554A |
Describes methods, systems and devices for service discovery and connection establishment of point-to-point (eg, device-to-device) wireless communications. Wireless devices can initiate point-to-point communication using ultrasonic signa...
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JP6051787B2 |
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JP2016213639A |
To create a plurality of distribution areas using a non-audible sound speaker at one place.A data distribution system comprises: a transmitter comprising a main sound source, a plurality of auxiliary sound sources mounted, separately fro...
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JP2016208185A |
To expand a sound collection range of acoustic communication without excessively increasing the volume of sound.A sound emission system 12 comprises: a modulation unit M1 for generating an acoustic signal A1 including transmission data Z...
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JP5963690B2 |
To provide a connection management system, a connection management method, a mobile terminal and a server, capable of effective connection to an access point.A connection management system 1 includes an access point 10 of a communication...
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JP2016132406A |
To provide an underwater sailing body lifting-storage system capable of quickly lifting-storing an underwater sailing body in a mother ship, by reducing a work load of an operator or dispensing with the operator.An underwater sailing bod...
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JP2016130989A |
To achieve a reduction in power consumption of a compact water depth and water temperature gauge.There is provided a water temperature and water depth measuring device comprising: a water temperature sensor and a water depth sensor; a tr...
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JP5947244B2 |
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JP5923169B2 |
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JP5917698B2 |
The various embodiments provide systems, devices, and methods which include an acoustic tag configured to transmit an acoustic signal through a contact medium that may be received by an acoustic modem, with the acoustic signal configured...
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JP2016038695A |
To provide an actual usage condition tracking system of an electronic award which can be used for the confirmation of advisement effects and market surveys and to provide a program used for the same.When an electronic award relating to a...
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JP5857669B2 |
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JP5856187B2 |
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JP2015231055A |
To provide a transmission device and a reception device that enables execution of processing at a specific timing at a reception side in a mechanism of transmitting data by using a sound transmission medium.An acoustic transmission syste...
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JP2015207960A |
To provide a data transmission device which easily implements data communication with an extremely simple and inexpensive circuit configuration, and a data reception device.In the data transmission device, a voltage of a rectangular wave...
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JP2015185950A |
To perform acoustic communication with a particular device within a range where an acoustic signal reaches using the acoustic signal.Acoustic signal generation means 101 generates an acoustic signal in which information is superposed on ...
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JP5788530B2 |
In an arrangement for transmitting power or data through a solid rigid substrate without penetrating the substrate, acoustic transducer components are mounted on the substrate by means of strain isolator elements which are welded or othe...
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JP2015156656A |
To determine whether or not each signal output device has a failure even when a plurality of distributed signal output devices are not connected to a network in a system for providing information and services depending on the location of...
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JP2015524180A |
The present invention relates to a method that allows data transmission between two devices without the need for additional hardware or other connection methods. The method is a procedure for encoding digital data into a digital sound si...
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JP5767391B2 |
Disclosed are a method and a system for implementing near field communication (NFC). The method includes: modulating a digital signal to generate an audio signal and playing the modulated audio signal with a transmitting device; and samp...
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JP5729161B2 |
An object is to restrict a communicable range in an area in which an electric wave used for a wireless communication arrives. A wireless access point superimposes establishment information used for establishing a wireless communication c...
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JP5724532B2 |
To provide an underwater acoustic communication device which is capable of performing reliable communication and is low power consumption.A transmission circuit provided transmits an acoustic signal in which m bits are frequency division...
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JP2015084471A |
To provide a communication technology using acoustic waves that can maintain communication quality in a variety of pronunciation environments.An acoustic communication device has: a code estimation part which decodes sound data to a wind...
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JP2015511136A |
Medical sensing devices and systems that send digital data from a first device to a receiver such as a smartphone via an ultrasonic digital modem. A method of transmitting digital biological data by ultrasound is also described.
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JP2015056776A |
To provide a new configuration for simply searching for an available image processing device, without managing position information on a mobile terminal or an image processing device to be an output destination.There is provided an image...
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JP5683788B2 |
An acoustic method and apparatus for an acoustic system use a transceiver module, which can transmit to a transmit acoustic element of a transmit sonar array and receive from a receive acoustic element of a receive sonar array in accorda...
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JP5676815B1 |
To increase the amount of information that can be transmitted while maintaining the high speed of processing capable of responding to the movement of a user of a mobile terminal by walking in a system for transmitting information related...
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