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WO/2016/080664A1 |
A method for receiving sound waves with low power using a push message is provided. The method includes: receiving, by a wireless terminal, at least one of sound wave transmission schedule message, which comprises at least one of (i) a s...
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WO/2016/058682A1 |
The invention relates to a method for establishing a radio-based communication connection (30) for transmitting data between devices (4, 20), wherein, by activating a first of the devices (4, 20) to which at least one loudspeaker (14, 28...
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WO/2016/031673A1 |
An acoustic processing device is provided with: an information extraction unit for extracting identification information of sound to be reproduced from a first acoustic signal in a first frequency band, the first acoustic signal includin...
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WO/2016/023516A1 |
The present invention is applied to the technical field of sound wave communications. Provided are a sound wave sending method, receiving method, sending device and receiving device and system. The sound wave receiving method comprises: ...
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WO/2016/015641A1 |
Disclosed are an audio multi-carrier modulation and demodulation apparatus and a system. The audio multi-carrier modulation and demodulation apparatus comprises: an audio input module, an audio output module and a main control module, th...
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WO/2016/010262A1 |
A mobile terminal and controlling method thereof are disclosed, by which a communication can be performed using a sound wave or an ultrasonic wave. The present invention includes a display unit configured to display information, a microp...
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WO/2016/006703A1 |
[Problem] In techniques relating to conventional systems for communicating transaction information, there have always been concerns of misuse or of third parties leaking the transaction information at the transmission destination. [Solut...
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WO/2016/001879A1 |
A communication device and method including a microphone, a first filter coupled to the microphone adapted to pass signals in an audio band only, a second filter coupled to the microphone adapted to pass signals only in an upper region o...
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WO/2015/195808A1 |
A client device encodes data into an audio signal and communicates the audio data to an additional client device, which decodes the data from the audio signal. The data is partitioned into characters, which are subsequently partitioned i...
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WO/2015/176133A1 |
A shark detection system (10) comprising one or more sonar transducers (12) secured to a seabed (18) to detect sonar signals in a region (20) defined by one or more boundary lines. The sonar transducers (12) are directed perpendicular to...
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WO/2015/178551A1 |
The present invention relates to a method for short-range communication by a smartphone and, more specifically, to a method whereby a smartphone communicates with another device connected thereto by using ultrasonic waves. The method whe...
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WO/2015/178372A1 |
[Problem] To efficiently compensate for the influence of a Doppler shift. [Solution] A receiving device (101) is provided with: a Doppler estimator (11) which estimates the Doppler shift frequency (fdc) of a received signal; a multiplier...
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WO/2015/168487A2 |
Techniques for pairing devices using acoustic signals are described. Disclosed are techniques for receiving an acoustic signal at a microphone coupled to a first device, the acoustic signal being encoded with data representing a first pa...
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WO/2015/163677A1 |
As a communication setting system and method for an IoT device using a mobile communication terminal, the present invention relates to: a system comprising a mobile communication terminal for outputting a setting information sound wave s...
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WO/2015/159024A1 |
A nomad device comprises at least one microphone (201), and a chirp-modulation signal demodulator (205). The device comprises furthermore a detector (204) arranged to determine a value of acoustic energy in at least one ultrasound freque...
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WO/2015/154559A1 |
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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WO/2015/153576A2 |
Systems and methods are disclosed allowing for spatially separated nodes to transmit data to a single remote master receiver node in a synchronized way. Slave nodes can send acoustic data so that it travels through water and arrives at t...
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WO/2015/136291A1 |
An aquatic time synchronisation system (100) comprises an aquatic first acoustic communications apparatus (116) capable of communicating acoustically with a dynamic aquatic second acoustic communications apparatus(114). The first acousti...
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WO/2015/130662A1 |
Systems and methods for transmitting power and information using acoustic energy produced by transducers are provided. The systems have particular application for powering and communication with electronics through drilling and pipe syst...
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WO/2015/110076A1 |
Embodiments of the present invention disclose an information transmission method, apparatus and system, which relate to the field of terminal information interaction, so as to provide a cross- terminal information transmission manner tha...
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WO/2015/087724A1 |
[Purpose] The purpose of this invention is to inexpensively provide a magnetic loop antenna and a magnetic-field communication device using same that allow magnetic-field communication using magnetic-field signals with a desired bandwidt...
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WO/2015/085859A1 |
An audio signal sending and receiving method and apparatus. The sending method comprises: dividing to-be-sent audio data into at least two data packets (S101); grouping every two data packets into one group (S102); encoding data packets ...
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WO/2015/082599A1 |
The invention provides a communication method, a mobile terminal for use in a communication method and a communication system. The communication method has the steps of: transmission (S01) of a radio signal (FS) by means of a transmissio...
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WO/2015/076577A1 |
Disclosed is a low-power sound wave receiving method in a computer, which is a method for receiving low-power sound waves in a computer having a microphone, a memory storing at least one reference pattern, and a computer processor, where...
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WO/2015/077713A1 |
Methods and systems are provided for ultrasonic emitter based floor audio units. An example floor audio unit may comprise one or more ultrasonic emitters and may be placed on or near a floor. The floor audio unit may generate audio outpu...
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WO/2015/074617A1 |
The present invention provides a data transmission method and apparatus, a mobile terminal, and an acoustic communications system. The method comprises: a first terminal device performing coding, modulation and frequency mixing of to-be-...
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WO/2015/073212A1 |
Methods, systems, and devices are described for service discovery and connection establishment of a point-to-point (e.g., device-to-device) wireless communication. Wireless devices may initiate point-to-point communication utilizing ultr...
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WO/2015/073985A2 |
A direct field acoustic testing system includes at least two acoustical transducer groups and a signal modifier for introducing separately controllable time delays or phase shifts for each acoustical transducer group so as to provide an ...
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WO/2015/062426A1 |
A method for sharing a web address comprises: generating, by a first device comprising a processor, audio data according to the web address, the audio data comprising the web address; broadcasting, by a second device comprising a process...
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WO/2015/055894A1 |
A method comprises transmitting (901) a first ultrasonic ping signal from a first floating unit (M1). The first ultrasonic ping signal is received in an underwater device (D1, D2, D3). After a predetermined delay from the reception of th...
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WO/2015/056995A2 |
The present specification relates to a method for performing a wireless connection between devices in a wireless communication system, comprising the steps of: activating a wireless connection function; transmitting a ping tone for disco...
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WO/2015/052712A1 |
A transaction initialization system serving first and second devices, interconnected by a communication network, each having a speaker and a microphone, which wish to perform a transaction, the system comprising a server; and a client wh...
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WO/2015/037963A1 |
Disclosed are a home appliance and a mobile terminal. The home appliance includes a drive unit, an acoustic output module configured to output sound, a microphone configured to receive sound from an external source, a memory configured t...
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WO/2015/034316A1 |
The present invention provides a method for transmitting and receiving a sound wave using a symbol on the basis of a time-varying frequency, the method comprising the steps of: storing digital wave form data by a storage unit; converting...
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WO/2015/025445A1 |
The objective is to increase the amount of information that can be transmitted while maintaining the speed with which a process can respond to movement of a portable terminal as the user is walking, in a system for transmitting location-...
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WO/2015/023751A1 |
Methods and devices for auditory manipulation of an auditory stream for enhancement of language processing in an autism spectrum disorder (ASD) individual are provided. The auditory stream is received and includes an acoustic stimulus pe...
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WO/2014/204788A1 |
Disclosed is a user device comprising an output component configured to deliver an experience to a user in a standalone mode of the user device and an input component configured to receive a notification of an event. The device also comp...
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WO/2014/204191A1 |
A mobile device comprises: an input reception unit for receiving one or more inputs through a user interface; a control information determination unit for determining control information corresponding to an operation of an external devic...
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WO/2014/190326A1 |
A high frequency ultrasound probe includes a substrate having a number of transducer elements on it and a ground plane that is electrically coupled by one or more vias to a conductive frame that supports the substrate. The conductive fra...
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WO/2014/187191A1 |
A method for transmitting files based on an audio signal includes a first terminal receives a file identification of a target file transmitted by a server; obtaining a first audio signal, hiding the file identification in the first audio...
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WO/2014/178691A1 |
Disclosed is a location information providing system using an automatic guidance broadcasting apparatus in a vehicle, the system comprising: a sound reproduction apparatus for converting sound data including guidance information and an I...
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WO/2014/169683A1 |
It is provided a method, an apparatus, and a system for processing a numerical value in sending information using sound waves. The method mainly includes: generating intermediate values from the numerical value which is to be converted i...
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WO/2014/163390A1 |
The present invention relates to a wireless sound wave communications system wherein a receiver analyzes a sound wave signal transmitted from a transmitter. The present invention enables a transmitter to convert an inputted data into a s...
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WO/2014/154939A1 |
An approach is provided for group formation based on a synchronized response mechanism. A group platform may determine a request to form at least one group of one or more devices. Then, the group platform may cause, at least in part, a t...
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WO/2014/129370A1 |
The present invention addresses the problem of enhancing the possibility of extracting data from sound that is transmitted from a system that transmits the data utilizing the sound as a transmission medium. When frames are transmitted us...
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WO/2014/126630A1 |
A Doppler compensation system includes a transmitter unit for transmitting a signal, wherein the transmitted signal being associated with an emission time-scale, a receiving unit for receiving a signal, wherein the received signal is ass...
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WO/2014/120988A1 |
An acoustic modem and method are presented. The method includes entering a training phase by a first modem and transmitting in parallel at least two acoustic messages on at least two different frequencies. A second modem enters a trainin...
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WO/2014/109071A1 |
[Problem] To provide an information distribution system capable of selective distribution involving acoustic communication while preventing an increase in the volume of data. [Solution] An information distribution system (1) equipped wit...
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WO/2014/104285A1 |
Provided is an ultrasonic-wave communication system with which the influence of ambient noise and the Doppler effect is inhibited, and with which unwanted sound heard by a user of a mobile terminal is suppressed. After encryption process...
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WO/2014/104284A1 |
Provided is an ultrasonic-wave communication system with which the influence of ambient sound and the Doppler effect is inhibited, and with which unwanted sound heard by a user of a mobile terminal is suppressed. After encryption process...
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