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Class Information
Number: 367/132
Name: Communications, electrical: acoustic wave systems and devices > Underwater system > Analog speech communication
Description: Subject matter in which continuous acoustic wave signals having an amplitude, phase, or frequency proportional to voice modulations are transmitted and/or received.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8565127 Voice-activity detection based on far-end and near-end statistics Oct. 22, 2013
8346165 Diver audio communication system Jan. 1, 2013
8331856 Underwater camera communication system Dec. 11, 2012
8315560 Underwater navigation Nov. 20, 2012
8009517 Wireless communication system, transmitting device, receiving device and information processing apparatus Aug. 30, 2011
7877059 Underwater communications system comprising relay transceiver Jan. 25, 2011
7873316 Underwater communications system Jan. 18, 2011
7796676 Signalling system Sep. 14, 2010
7016508 Audio apparatus Mar. 21, 2006
6769508 Underwater audio system Aug. 3, 2004
6735149 Device forming a snorkel mouthpiece or diving regulator May. 11, 2004
6426919 Portable and hand-held device for making humanly audible sounds responsive to the detecting of ultrasonic sounds Jul. 30, 2002
5926532 Integrated wireless communication system Jul. 20, 1999
5889730 Underwater audio communication system using bone conducted sound Mar. 30, 1999
5825718 Underwater communication apparatus and underwater microphone, and closed-type sound converter Oct. 20, 1998
5793855 Integrated wireless communication system Aug. 11, 1998
5706251 Scuba diving voice and communication system using bone conducted sound Jan. 6, 1998
5661699 Acoustic communication system Aug. 26, 1997
5586176 Integrated wireless communication system Dec. 17, 1996
5579284 Scuba diving voice and communication system using bone conducted sound Nov. 26, 1996
5555533 Control system for diver VOX/PTT communication system Sep. 10, 1996
5539705 Ultrasonic speech translator and communications system Jul. 23, 1996
5493079 Vocal communication snorkel Feb. 20, 1996
5455842 Method and apparatus for underwater communication Oct. 3, 1995
5222050 Water-resistant transducer housing with hydrophobic vent Jun. 22, 1993
5159580 Acoustic transducer for sending and receiving acoustic communication signals Oct. 27, 1992
5136555 Integrated diver face mask and ultrasound underwater voice communication apparatus Aug. 4, 1992
5060308 Firefighters mask communication system Oct. 22, 1991
4980926 Voice communication unit Dec. 25, 1990
4926398 Pressure compensated communication system May. 15, 1990
4852682 Underwater voice communicator Aug. 1, 1989
4839871 Underwater communication device Jun. 13, 1989
4799263 Speaking and hearing system for breathing apparatus Jan. 17, 1989
4780900 Radiogenic tube radiological device with magnetic bearings Oct. 25, 1988
4679177 Underwater communication system Jul. 7, 1987
4563758 Underwater communicator Jan. 7, 1986
4527657 Tapered tube impedance matching underwater voice communicator with bubble silencer Jul. 9, 1985
4456797 Submersible personal stereo system Jun. 26, 1984
4432079 Synchronous/asynchronous independent single sideband acoustic telemetry Feb. 14, 1984
4418404 Single-sideband acoustic telemetry Nov. 29, 1983
4342104 Helium-speech communication Jul. 27, 1982
4336537 Bi-directional underwater communication system Jun. 22, 1982
4276623 Underwater audio intercommunication system Jun. 30, 1981
4276624 Acoustic transmission system Jun. 30, 1981
4203160 Submarine communication May. 13, 1980
4183422 Underwater communications device Jan. 15, 1980
4154981 Telephone system for diver communication May. 15, 1979
4123622 Protective cover for sound transducers located in face masks of divers Oct. 31, 1978
4096466 Underwater switching Jun. 20, 1978
4071110 Underwater voice communicator Jan. 31, 1978

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