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Class Information
Number: 367/178
Name: Communications, electrical: acoustic wave systems and devices > Signal transducers > Receivers
Description: Subject matter for use in acoustic wave systems to convert acoustic wave energy into electrical energy.










Sub-classes under this class:

Class Number Class Name Patents
367/181 Capacitive 123
367/188 Casing or housing 165
367/182 Moving coil 36
367/185 Moving magnet 33
367/179 Pendulum type 13
367/180 Piezoelectric 63


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8681588 Memory seismic device and method Mar. 25, 2014
8665671 Seismic sensor devices Mar. 4, 2014
8638956 Acoustic velocity microphone using a buoyant object Jan. 28, 2014
8611191 Land based unit for seismic data acquisition Dec. 17, 2013
8542556 Directional seismic sensor array Sep. 24, 2013
8488416 Earthquake detection and alarming apparatus Jul. 16, 2013
8375560 Method for manufacturing a condenser microphone Feb. 19, 2013
8351298 Rotational motion compensated seismic sensors and methods of use in seismic data acquisition Jan. 8, 2013
8228761 Ocean bottom seismometer package Jul. 24, 2012
8199611 Deriving tilt-corrected seismic data in a multi-axis seismic sensor module Jun. 12, 2012
8159904 Force-feedback seismometer Apr. 17, 2012
8143897 Short-offset transient electromagnetic geophysical surveying Mar. 27, 2012
8085622 Ultra low frequency acoustic vector sensor Dec. 27, 2011
8014231 Digital capacitive membrane transducer Sep. 6, 2011
7990806 Seismograph system Aug. 2, 2011
7986589 Apparatus for seismic data acquisition Jul. 26, 2011
7926614 Particle motion sensor mounting for marine seismic sensor streamers Apr. 19, 2011
7800981 High efficiency portable seismograph for measuring seismic tremor Sep. 21, 2010
7793404 Resonant-oscillating-device fabrication method Sep. 14, 2010
7698793 Electret condenser microphone and method of producing the same Apr. 20, 2010
7684284 Steering and fixed angle geophone Mar. 23, 2010
7675821 Deployment of seismic sensor Mar. 9, 2010
7656746 Rational motion compensated seabed seismic sensors and methods of use in seabed seismic data acquisition Feb. 2, 2010
7637869 Two-dimensional transducer arrays for improved field of view Dec. 29, 2009
7623414 Particle motion vector measurement in a towed, marine seismic cable Nov. 24, 2009
7586809 Underwater sensor and data sensing and recording apparatus Sep. 8, 2009
7561493 Method and apparatus for land based seismic data acquisition Jul. 14, 2009
7551519 Passive long range acoustic sensor Jun. 23, 2009
7505369 Geophone with mass position sensing Mar. 17, 2009
7474591 Six-component seismic data acquisition system Jan. 6, 2009
7469461 Method for making a diaphragm unit of a condenser microphone Dec. 30, 2008
7443766 Sensor assembly Oct. 28, 2008
7382690 Method and apparatus for gathering seismic data Jun. 3, 2008
7376049 Seismic sensor with thermal stabilization May. 20, 2008
7343661 Method for making condenser microphones Mar. 18, 2008
7310287 Method and apparatus for seismic data acquisition Dec. 18, 2007
7295494 Diamagnetic current response transducer for sensing pressure gradient in a fluid medium Nov. 13, 2007
7280436 Miniature acoustic detector based on electron surface tunneling Oct. 9, 2007
7254093 Ocean bottom seismometer package with distributed geophones Aug. 7, 2007
7132958 Downhole telemetry system using multiple uplink modes as data channels using discrete multi-tone modulation Nov. 7, 2006
7085196 Method and apparatus for gathering seismic data Aug. 1, 2006
7057974 Device for sensing seismic and acoustic vibrations Jun. 6, 2006
7035167 Seismic sensor Apr. 25, 2006
7016262 Seismic sensor Mar. 21, 2006
6947568 Condenser microphone Sep. 20, 2005
6937735 Microphone for a listening device having a reduced humidity coefficient Aug. 30, 2005
6922374 Double-ended geophone Jul. 26, 2005
6909669 Scour detection and monitoring apparatus adapted for use in lossy soils and method of employment thereof Jun. 21, 2005
6859420 Systems and methods for adaptive wind noise rejection Feb. 22, 2005
6823963 Seismic wave measuring devices Nov. 30, 2004

1 2 3










 
 
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