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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 |
| 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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