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Class Information
Number: 367/2
Name: Communications, electrical: acoustic wave systems and devices > Transponders
Description: Subject matter which receives acoustic wave energy from a remote source and, in response, transmits radiant energy (e.g., radio or acoustic wave energy) to a remote point.










Sub-classes under this class:

Class Number Class Name Patents
367/3 Sonobuoys and sonobuoy systems 77
367/6 With plurality of transponders 63


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8614578 Attenuation of electromagnetic signals passing through conductive material Dec. 24, 2013
8594572 Wireless electric power transmission through wall Nov. 26, 2013
8547780 Acoustic markers Oct. 1, 2013
8492692 Unmanned aerial vehicle based sonar buoy Jul. 23, 2013
8477562 Communication device and communication method Jul. 2, 2013
8442709 Underwater investigation system providing unmanned underwater vehicle (UUV) guidance based upon updated position state estimates and related methods May. 14, 2013
8160276 Audio system and related method integrated with ultrasound communication functionality Apr. 17, 2012
8077539 Acoustic reflector Dec. 13, 2011
7760585 Through the bulkhead repeater Jul. 20, 2010
7610675 Method to produce a transponder Nov. 3, 2009
7474208 Method and system for locating an object Jan. 6, 2009
7460433 Ultrasonic wave transmitting and receiving system for detecting underwater objects Dec. 2, 2008
7430152 System and method of operation thereof for increasing acoustic bandwidth of transmitting devices Sep. 30, 2008
7031224 Buoy-to-sailboat distance indicator system Apr. 18, 2006
6934218 Sounding device for showing its location on a fish detector Aug. 23, 2005
6912247 Digital signal transmission system and method of displaying transmission condition in digital signal transmission system Jun. 28, 2005
6904000 Object locator system Jun. 7, 2005
6711095 Expenable/recoverable voice and data communications system buoy Mar. 23, 2004
6547733 Ultrasound imaging apparatus and method using Golay codes with orthogonal property Apr. 15, 2003
6307808 Methods and apparatuses for seismic prospecting Oct. 23, 2001
6304512 Method and apparatus enabling remote release of hooks and hook assemblies to free fishing lures Oct. 16, 2001
5822272 Concentric fluid acoustic transponder Oct. 13, 1998
5742251 Combat harness Apr. 21, 1998
5570323 Navigational device for a scuba diver Oct. 29, 1996
5504477 Tracking system Apr. 2, 1996
5148404 Transponder and method for the production thereof Sep. 15, 1992
5136548 Remote-control system for closures Aug. 4, 1992
5122989 Digital echo repeater Jun. 16, 1992
5065370 Programmable pulse shaper for sonobouy apparatus Nov. 12, 1991
5054007 Handclap activated cat repelling device Oct. 1, 1991
5016227 Top mounted buoy signaling device May. 14, 1991
5008859 Acoustic transponder receiver circuit Apr. 16, 1991
4992988 Underwater acoustic control system Feb. 12, 1991
4951263 Spread spectrum underwater location beacon system Aug. 21, 1990
4903243 Marine transponder system Feb. 20, 1990
4894810 Method and a device for measuring a distance by means of ultrasonic pulses Jan. 16, 1990
4829494 Acoustic pinger for use in high speed water entry test bodies May. 9, 1989
4751689 Method of measuring a distance Jun. 14, 1988
4654528 Radiation level reporting system Mar. 31, 1987
4631708 Transmitter/responder systems Dec. 23, 1986
4604733 Apparatus for determining range and bearing Aug. 5, 1986
4556883 Transmitting and receiving circuit for an apparatus for the automatic identification of objects and/or living organisms Dec. 3, 1985
4494224 Pipe measuring method and apparatus Jan. 15, 1985
4486861 Transponder telemetry Dec. 4, 1984
4404666 Quick deployment vehicle Sep. 13, 1983
4401987 Ranging system having reduced recognition jitter Aug. 30, 1983
4399556 Device for locating audio surveillance apparatus Aug. 16, 1983
4388708 Method and apparatus for determining physical quantities Jun. 14, 1983
4381144 Underwater camera enclosure including sonar range finding device Apr. 26, 1983
4367458 Supervised wireless security system Jan. 4, 1983

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