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Patent Searching and Data


Matches 201 - 250 out of 1,895

Document Document Title
WO/2014/076707A3
A system and method are presented for generating a localized audible sound field at a designated spatial location. The method comprises: providing sound-data indicative of an audible sound to be produced and location-data indicative of a...  
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...  
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...  
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...  
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...  
WO/2014/094150A1
A method for modulating a downhole telemetry signal uses a fluid pressure pulse generator that generates pressure pulses of multiple pulse heights in a drilling fluid. The method comprises: converting measurement data into a bitstream co...  
WO/2014/089294A1
In one embodiment, a method includes receiving ultrasound frequency sweeps in a sound receiving device. Each of the plurality of ultrasound frequency sweeps is centered on one of at least two predetermined frequencies. The method also in...  
WO/2014/066038A1
A method for transmitting power, data, and instructions using acoustic-electric channels having one or more transducer arrays, and to compensate for imperfect alignment of transducer arrays. Transducer arrays each include multiple transd...  
WO/2014/062452A1
A method for communicating messages by a mobile device via a sound medium is disclosed. The mobile device receives input sounds from at least one mobile device via the sound medium. From the input sounds, an input sound signal carrying a...  
WO/2013/093445A3
An acoustic telemetry transmitter includes transducer means having internal capacitance coupled with charging means, and switch means arranged to be switched by signals that are dependent upon control signals derived from sensor means an...  
WO/2014/015009A3
Methods for enrolling nodes into an ad hoc network associated with a multi-roomed structure. Nodes within the ad hoc network comprise a communication module configured to communicate with the ad hoc network using at least one of room-lim...  
WO/2014/028899A1
Described herein are devices and systems that transmit data from a first device using an ultrasonic digital modem to a second device that receives the ultrasonic signal and can interpret the ultrasonic signal. The second device may be a ...  
WO/2014/020348A1
A transmitter device (4, 6) transmits an ultrasonic signal encoding a binary identifier. Each bit position in the identifier is associated with a pair of frequencies and with first and second time positions in the signal. The bit value d...  
WO/2014/015004A1
A lighting device has a light emitter receptacle, a power connector configured to connect to a power source, the power connector connected to the receptacle, and a communication module. A network of lighting devices has a plurality of li...  
WO/2014/015009A2
Systems and methods for enrolling nodes into an ad hoc network associated with a multi-roomed structure. Nodes within the ad hoc network comprise a communication module configured to communicate with the ad hoc network using at least one...  
WO/2014/014995A1
A consumer product device has a consumer product, a communication module capable of communicating in a mesh network, and a power connector electrically coupled to the communication module.  
WO/2014/014993A1
A method of building a room list in a structure having at least two rooms includes forming a mesh network in the structure with at least two nodes, each node having a room-limited communication module, analyzing signals from the room-lim...  
WO/2014/015007A1
A method of generating a representation of a structure includes providing an ad hoc mesh network having at least two nodes associated with the structure, obtaining time of flight data for each node in the network, and using the time of f...  
WO/2013/192577A1
One feature pertains to a sensor apparatus that comprises a conductor configured to perform at least one operation unrelated to the sensor apparatus. These operations may include at least one of providing structural support to a system u...  
WO/2013/192571A1
One feature pertains to an apparatus for communicating signals across an electromagnetic (EM) shield. The apparatus includes a first communication interface positioned at a first side of the EM shield that receives a first signal contain...  
WO/2013/185596A1
An audio data transmission system comprising a first device (201) and a second device (202). The first device (201) and the second device (202) are connected therebetween via an audio interface (203). The first device (201) modulates to-...  
WO/2013/185844A1
The present invention proposes a communication system and method by means of which different information items including advertorial information items are selectively presented to a given user in an unobtrusive manner such that the infor...  
WO/2013/185593A1
Provided is an audio data transmission method comprising the following steps: a first device generates multiple pieces of audio waveform data of different frequencies; the first device splices the multiple pieces of audio waveform data i...  
WO/2012/131600A3
An acoustic modem for communication in a network of acoustic modems via a communication channel. The acoustic modem comprises a transceiver assembly, transceiver electronics, and a power supply. The transceiver assembly is adapted to con...  
WO/2013/168170A1
There is provided a communication device with ultrasonic capabilities and method of operating thereof. The method comprises: detecting parameters characterizing a communication channel in the communication device; determining parameters ...  
WO/2013/160475A1
The invention provides a wireless subsea seismic sensor (1) capable of independent location and operation in arrays,and methods of data collection from arrays of such sensors.  
WO/2013/155546A1
A signalling device for divers (3) has, along a shoulder strap (4) for compressed air bottles, a clip (12) which is pivotably attached in the shoulder region to the shoulder strap (4) and is detachably connected at the other free end to ...  
WO/2013/148464A1
A method and apparatus provide simultaneous bi-directional communications through a barrier using a pair of piezoelectric transducers. Outside-to-inside transmission of differentially encoded binary data is only sampled at the inside whe...  
WO/2013/148859A1
Systems for receiving one or more echoes are provided. The system (400) comprises a first attenuator (402), a first amplifier (404), and a second attenuator (406). The first attenuator (402) is configured to receive the one or more echo ...  
WO/2013/138892A1
The present invention relates to a system and method capable of receiving the information contained in capacitive and inductive sensors installed alongside banks of capacitors, via GSM/GPRS cellular networks, whether same are open or clo...  
WO/2013/129277A1
A transmitter has an installed table (TBL1) that assigns 560 μs and 600 μs frame lengths to the code '0' in binary numbers and assigns 600 μs and 560 μs frame lengths to the code '1' in binary numbers. The transmitter references the ...  
WO/2013/128188A1
A method of communicating with an underwater vehicle comprising a propulsion system for propelling the vehicle through the water. A series of data sets are encoded and transmitted to the underwater vehicle in a series of signal bursts, a...  
WO/2013/124645A1
A method for use in controlling pressure based signal transmission within a fluid in a flowline comprises transmitting a pressure based signal through a fluid within a flowline using a flow control device, recognising a condition change ...  
WO/2013/119525A1
A method and apparatus for transmitting data from an ultrasonic tag to an ultrasonic reader. The method comprises generating and transmitting an ultrasonic sound pressure wave, receiving the ultrasonic sound pressure wave at a first ultr...  
WO/2013/066940A3
Simulators and methods for simulating an acoustic communication channel between a source and a receiver in an underwater acoustic waveguide are provided. The method includes applying at least one surface wave spectrum to a surface wave m...  
WO/2013/115317A1
A reception device of the present invention is provided with a microphone, an unnecessary signal removing unit, and an FM demodulation unit. The microphone receives a transmission signal generated by frequency modulating, on the basis of...  
WO/2013/030672A3
A system, apparatus, method and computer program product for controlling an electronic device using sonic emissions. A peripheral device receives user input and generates one or more sonic emissions based at least in part on the user inp...  
WO/2013/104893A1
There is disclosed a transducer apparatus for acoustic communications through a substrate at a predetermined centre frequency, the apparatus comprising: -an active piezoelectric element for generating an acoustic signal; an intermediate ...  
WO/2013/106596A1
A signal processing system for generating an ultrasonic signal from an audio signal comprises a compressor (1 10), operable to compress the audio signal, and an equalization circuit (1 12), operable to equalize the audio signal. A modula...  
WO/2013/095524A1
Examples are disclosed for reproducing a voice for a speaker based on vocal tract sensing using ultra wide band (UWB) radar. These examples may include sensing a vocal tract of the speaker during non-sounded speech communication and mapp...  
WO/2013/090089A1
A sending device having a processing device and a plurality of transmitters performs a method for providing spatially selectable communications using deconstructed and delayed data streams. The method includes receiving a data stream (20...  
WO/2013/078996A1
Proposed are a near field communication implementation method and system. The method includes: a sending device modulating a digital signal and playing a sound signal generated by modulation; and a receiving device sampling the sound sig...  
WO/2009/035796A3
A groundwater monitoring device includes a wireless communications device operable to communicate only within a range of about 150 meters and a sensor package operably associated with the wireless communications device. The wireless comm...  
WO/2013/057481A1
There is disclosed herein a transducer for acoustic communications through a series arrangement of fluid and solid media, the transducer comprising:- a signal processor configured to implement a communications scheme at and around a cent...  
WO/2013/038416A1
The present invention provides a method and system for transmitting a transaction identifier from a handheld communication device to an Electronic Data Capture (EDC) Device. The transaction identifier is encoded into audio frequency tone...  
WO/2012/166583A1
A signal generator generates an electrical signal that is sent to an amplifier, which increases the power of the signal using power from a power source. The amplified signal is fed to a sender transducer to generate ultrasonic waves that...  
WO/2012/097375A3
Embodiments of the invention provide a system, apparatus and methods for underwater voice communication by a diver to other divers and surface ships. In many embodiments, the system includes a mouthpiece voice communication apparatus hav...  
WO/2012/158057A1
Information is exchanged between a mobile communications device and an automated information system. The mobile communications device is equipped with an acoustic transmitter (speaker) and an acoustic receiver (microphone), and the autom...  
WO/2012/148805A2
Sensor and communications systems for communicating measurements from subsea equipment, such as at an offshore well, to the surface. A sensor for a physical parameter, such as pressure or temperature at a blowout preventer, capping stack...  
WO/2012/136112A1
Disclosed are a near field communication terminal, a near field communication establishment method, and a data transmission method. The near field communication establishment method comprises: two communication terminal parties establish...  

Matches 201 - 250 out of 1,895