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Class Information
Number: 367/120
Name: Communications, electrical: acoustic wave systems and devices > Distance or direction finding > With beam steering, scanning, or focussing > By transducer movement
Description: Subject matter wherein the directional characteristics are varied by changing the location of the transducer or by rotating it about an axis.

Patents under this class:

Patent Number Title Of Patent Date Issued
8525690 Synchronized telemetry from a rotating element Sep. 3, 2013
8018794 Independent device for determining absolute geographic coordinates of an immersed moving body Sep. 13, 2011
7817497 Arrangeable airborne acoustic sensor array Oct. 19, 2010
7548488 Airborne acoustic sensor array Jun. 16, 2009
7391674 Methods and systems for determining orientation of seismic cable apparatus Jun. 24, 2008
7307537 Identification tag Dec. 11, 2007
6859359 Modular sensor platform Feb. 22, 2005
6570817 Apparatus for detecting position May. 27, 2003
6473363 Sonar direction finding Oct. 29, 2002
6366532 Apparatus for detecting position Apr. 2, 2002
6237410 Method for controlling the speed of a pump based on measurement of the fluid depth in a well May. 29, 2001
6097670 Method and apparatus for tracking objects underwater Aug. 1, 2000
5940346 Modular robotic platform with acoustic navigation system Aug. 17, 1999
5903517 Moving body control apparatus May. 11, 1999
5790476 Methods and systems for locating an underground sewer using a buoy Aug. 4, 1998
5732043 Optimized deterministic bearings only target motion analysis technique Mar. 24, 1998
5666326 Homing device for underwater divers Sep. 9, 1997
5627800 Method and apparatus for determining position of a moving object in a tank May. 6, 1997
5570324 Underwater sound localization system Oct. 29, 1996
5553498 Pipe and duct run locator Sep. 10, 1996
5526433 Tracking platform system Jun. 11, 1996
5504477 Tracking system Apr. 2, 1996
5490219 Noise canceling microphone with visual feedback Feb. 6, 1996
5452263 Method and apparatus for detecting location of a subterranean pipe Sep. 19, 1995
5315917 Monoport airgun for seismic exploration having discharge port extending continuously for 360 degree around its axis May. 31, 1994
5214618 Method and arrangement for combating a submerged target object May. 25, 1993
5099455 Passive acoustic aquatic animal finder apparatus and method Mar. 24, 1992
5036497 Method and apparatus for detecting location of a subterranean pipe Jul. 30, 1991
4980871 Ultrasonic tracking system Dec. 25, 1990
4911012 Sewer line detection system Mar. 27, 1990
4815048 Dual axis transducer Mar. 21, 1989
4779239 Sonar transducer system for image formation Oct. 18, 1988
4594694 Sound source searching device Jun. 10, 1986
4577299 Acoustic direction finder Mar. 18, 1986
4509151 Marine acoustic analysis system and method Apr. 2, 1985
4425634 Detection system Jan. 10, 1984
4350045 Apparatus and method for characterizing an acoustic field Sep. 21, 1982
4309576 Listening device for localizing underground water leakages Jan. 5, 1982
4292679 Variable directivity mounting means Sep. 29, 1981
4183009 Low frequency detection system Jan. 8, 1980
4170001 Capacitor goniometer tilt compensation for acoustic transducing system Oct. 2, 1979
3986161 Underwater directional guidance apparatus Oct. 12, 1976

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