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Class Information
Number: 367/135
Name: Communications, electrical: acoustic wave systems and devices > Receiver circuitry
Description: Subject matter comprising means to convert acoustic energy into electrical signals connected to electric signal processing means.










Sub-classes under this class:

Class Number Class Name Patents
367/136 Responsive to intruder energy 127


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8711656 Sonic fast-sync system and method for bluetooth Apr. 29, 2014
8693288 Method for detecting a random process in a convex hull volume Apr. 8, 2014
8674824 Sonar sensor array and method of operating same Mar. 18, 2014
8641197 Acoustical receiver and pen transcription system adapted for rejecting virtual pen images Feb. 4, 2014
8634275 Audio processing device Jan. 21, 2014
8630148 Systems, methods, and apparatus to drive reactive loads Jan. 14, 2014
8599647 Method for listening to ultrasonic animal sounds Dec. 3, 2013
8565042 System and method for reducing data reception error in acoustic communication in audible frequency range, and apparatus applied thereto Oct. 22, 2013
8514661 Transducer Aug. 20, 2013
8514662 Sonic receiver and method for receiving data that uses modulation frequncies that reduce the probability of conflict with ambient noise in the environment Aug. 20, 2013
8451143 Vehicle presence notification apparatus May. 28, 2013
8411531 Modulation device, demodulation device, and acoustic signal transmission method Apr. 2, 2013
8406270 Quadrature demodulation with phase shift Mar. 26, 2013
8405524 Seismic method for vehicle detection and vehicle weight classification Mar. 26, 2013
8401569 System effective to demodulate a modulated code and provide content to a user Mar. 19, 2013
8368553 Fracturing monitoring within a treatment well Feb. 5, 2013
8326542 Method and system for retrieving seismic data from a seismic section in bitmap format Dec. 4, 2012
8319640 Method for maintaining a shipping container manifest Nov. 27, 2012
8174935 Adaptive array control device, method and program, and adaptive array processing device, method and program using the same May. 8, 2012
8154588 Participant audio enhancement system Apr. 10, 2012
8107322 Device and method for attenuating an anti-resonant circuit Jan. 31, 2012
8072842 Channel impulse response estimation Dec. 6, 2011
8073294 Remote optical fiber surveillance system and method Dec. 6, 2011
8073634 Method to extract target signals of a known type from raw data containing an unknown number of target signals, interference, and noise Dec. 6, 2011
8059488 Method for operating an ultrasonic sensor, and corresponding ultrasonic sensor Nov. 15, 2011
8014230 Adaptive array control device, method and program, and adaptive array processing device, method and program using the same Sep. 6, 2011
7944775 Adaptive array control device, method and program, and adaptive array processing device, method and program May. 17, 2011
7929376 Method and apparatus for identifying noise sources Apr. 19, 2011
7912225 Generating 3D audio using a regularized HRTF/HRIR filter Mar. 22, 2011
7890280 Method and a system for determining a physical property as a function of position Feb. 15, 2011
7844406 Level measurement system Nov. 30, 2010
7839721 Modal beam processing of acoustic vector sensor data Nov. 23, 2010
7821870 Method and system for identifying moving objects using acoustic signals Oct. 26, 2010
7782710 System for detecting, tracking, and reconstructing signals in spectrally competitive environments Aug. 24, 2010
7768876 Channel impulse response estimation Aug. 3, 2010
7746225 Method and system for conducting near-field source localization Jun. 29, 2010
7740586 Ultrasonic signal processor for a hand held ultrasonic diagnostic instrument Jun. 22, 2010
7679998 System for detecting, tracking, and reconstructing signals in spectrally competitive environments Mar. 16, 2010
7656750 Echo detection Feb. 2, 2010
7650208 Navigational aid for diver Jan. 19, 2010
7646676 Synchronous re-sampling based signal extraction Jan. 12, 2010
7643377 System for detecting, tracking, and reconstructing signals in spectrally competitive environments Jan. 5, 2010
7586813 Signal processing apparatus for an ultrasound transducer, ultrasound receiver and method for operating an ultrasound receiver Sep. 8, 2009
7583562 Transducer circuit coupled to a control unit through a cable Sep. 1, 2009
7433267 Two wire resistive sensor Oct. 7, 2008
7423934 System for detecting, tracking, and reconstructing signals in spectrally competitive environments Sep. 9, 2008
7411866 User interface containing acoustic sensing modules Aug. 12, 2008
7372774 System for detecting, tracking, and reconstructing signals in spectrally competitive environments May. 13, 2008
7366057 Converter control with LC filtering Apr. 29, 2008
7348894 Method and apparatus for using a data telemetry system over multi-conductor wirelines Mar. 25, 2008

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