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Class Information
Number: 367/140
Name: Communications, electrical: acoustic wave systems and devices > Signal transducers
Description: Subject matter comprising means to convert energy in the form of acoustic waves into energy in the form of electric signals or vice versa.










Sub-classes under this class:

Class Number Class Name Patents
367/178 Receivers 139
367/177 Towed land cables 26
367/141 Underwater type 122
367/189 Vibrator-type transmitter 158


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8711657 Converter and measuring apparatus Apr. 29, 2014
8675449 Ultrasound sensor having blockage detection Mar. 18, 2014
8659977 Acoustic signal generation system using moving reflecting surface Feb. 25, 2014
8654613 Measuring apparatus Feb. 18, 2014
8654614 Capacitive electromechanical transducer Feb. 18, 2014
8644114 Signal transmitter device comprising an electrical acoustic signal transmitter Feb. 4, 2014
8641625 Ultrasonic diagnostic apparatus Feb. 4, 2014
8630146 Method and apparatus for estimating formation permeability and electroacoustic constant of an electrolyte-saturated multi-layered rock taking into account osmosis Jan. 14, 2014
8559273 High frequency piezoelectric crystal composites, devices, and methods for manufacturing the same Oct. 15, 2013
8555483 Method of manufacturing a vibrating element Oct. 15, 2013
8548188 Diaphragm, method making the same and loudspeaker using the same Oct. 1, 2013
8520470 Laser shock peening measurement system and method Aug. 27, 2013
8514661 Transducer Aug. 20, 2013
8515117 Bobbin and loudspeaker using the same Aug. 20, 2013
8509032 Vibration mediated networks for photovoltaic arrays Aug. 13, 2013
8485977 Ultrasound diagnosis apparatus Jul. 16, 2013
8456957 Ultrasonic transducer for a proximity sensor Jun. 4, 2013
8451143 Vehicle presence notification apparatus May. 28, 2013
8451694 Ultrasonic sensor unit and electronic device May. 28, 2013
8427906 Acoustic sensor utilizing acoustoelectric effect Apr. 23, 2013
8411532 Distance sensor for vehicle with electrical connector Apr. 2, 2013
8374056 Direct digital speaker apparatus having a desired directivity pattern Feb. 12, 2013
8335130 Acoustic energy array and system Dec. 18, 2012
8320218 Hidden ultrasonic transducer with beam angle control for non-contact target detection systems Nov. 27, 2012
8315125 System and method for biasing CMUT elements Nov. 20, 2012
8294225 Ultrasonic transducer and manufacturing method Oct. 23, 2012
8284958 Increased dynamic range microphone Oct. 9, 2012
8256093 Method of manufacturing an acoustic mirror Sep. 4, 2012
8253242 Sensor assembly Aug. 28, 2012
8223592 Omni-directional acoustic radiator with radial waveguides for submersible multi-transducer array Jul. 17, 2012
8199611 Deriving tilt-corrected seismic data in a multi-axis seismic sensor module Jun. 12, 2012
8199938 Method of causing the thermoacoustic effect Jun. 12, 2012
8169855 Ultrasonic sensor unit and electronic device May. 1, 2012
8130593 Pressure wave generator and temperature controlling method thereof Mar. 6, 2012
8102734 High intensity focused ultrasound transducer with acoustic lens Jan. 24, 2012
8088073 Device for the application of acoustic shock waves Jan. 3, 2012
8085622 Ultra low frequency acoustic vector sensor Dec. 27, 2011
8059490 Ultrasonic sensor Nov. 15, 2011
8040756 Resonance ultrasonic transducer Oct. 18, 2011
8023360 Seismic activity detector Sep. 20, 2011
8014231 Digital capacitive membrane transducer Sep. 6, 2011
8009517 Wireless communication system, transmitting device, receiving device and information processing apparatus Aug. 30, 2011
7926163 Method of producing an oscillator device Apr. 19, 2011
7929377 Ultrasound sensor, in particular, a motor vehicle ultrasound sensor Apr. 19, 2011
7905006 Method of manufacturing faceplate for in-the-ear hearing aid Mar. 15, 2011
7881157 Pressure wave generator and production method therefor Feb. 1, 2011
7804742 Ultrasonic transducer for a proximity sensor Sep. 28, 2010
7791982 Impact energy powered golf ball transmitter Sep. 7, 2010
7787725 Fiber optic microphone and a communication system utilizing same Aug. 31, 2010
7764003 Signal control in micromachined ultrasonic transducer Jul. 27, 2010

1 2 3 4 5 6 7










 
 
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