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Class Information
Number: 367/87
Name: Communications, electrical: acoustic wave systems and devices > Echo systems
Description: Subject matter wherein intelligence or information about a foreign object or other discontinuity in the medium is communicated in an acoustic wave reflected from the object or other discontinuity.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7540194 |
Ultrasonic sensor having transmission device and reception device of ultrasonic wave |
Jun. 2, 2009 |
| 7538720 |
Simultaneous savings in bandwidth and energy using waveform design in presence of interference and noise |
May. 26, 2009 |
| 7539081 |
Seabed resource exploration system and seabed resource exploration method |
May. 26, 2009 |
| 7532747 |
Method and apparatus for ultrasonic imaging in mmode |
May. 12, 2009 |
| 7518543 |
Method for determining positions of targets by bistatic measurements using signals scattered by the targets |
Apr. 14, 2009 |
| 7500953 |
High contrast optoacoustic imaging using nanoparticles |
Mar. 10, 2009 |
| 7492666 |
Sonar system having multiple pulse sequences |
Feb. 17, 2009 |
| 7457198 |
Swimmer detection sonar network |
Nov. 25, 2008 |
| 7420876 |
Obstacle sensor having supersonic sensor |
Sep. 2, 2008 |
| 7317659 |
Measurement of air characteristics in the lower atmosphere |
Jan. 8, 2008 |
| 7245557 |
Sonar |
Jul. 17, 2007 |
| 7239263 |
Platform shake compensation method in synthetic aperture processing system |
Jul. 3, 2007 |
| 7196656 |
Apparatus for estimating direction of arrival of signal |
Mar. 27, 2007 |
| 7187320 |
Matched maneuver detector |
Mar. 6, 2007 |
| 7178408 |
Sodar sounding of the lower atmosphere |
Feb. 20, 2007 |
| 7180442 |
Target indentification method using cepstral coefficients |
Feb. 20, 2007 |
| 7138938 |
System and method for preemptively sensing an object and selectively operating both a collision countermeasure system and a parking assistance system aboard an automotive vehicle |
Nov. 21, 2006 |
| 7130243 |
Location finding system, using reflected radio frequency or acoustic signals in a crowded reflector environment |
Oct. 31, 2006 |
| 7129888 |
High speed weighting signal generator for sidelobe canceller |
Oct. 31, 2006 |
| 7109918 |
Nonlinear beam forming and beam shaping aperture system |
Sep. 19, 2006 |
| 7095359 |
Method of observing sea ice |
Aug. 22, 2006 |
| 7095364 |
Altitude measurement system and associated methods |
Aug. 22, 2006 |
| 7091902 |
Systems and methods for characterizing the coverage of ad hoc sensor networks |
Aug. 15, 2006 |
| 7072244 |
Underwater exterior ship hull imaging system employing a remote microprocessor controlled acoustic transducer array |
Jul. 4, 2006 |
| 7054226 |
Method and apparatus for echolocation |
May. 30, 2006 |
| 7030806 |
Time domain radio transmission system |
Apr. 18, 2006 |
| 7027356 |
Method and device for detecting objects, especially used as a parking assistance device in a motor vehicle |
Apr. 11, 2006 |
| 6987707 |
Method and system for in-air ultrasonic acoustical detection and characterization |
Jan. 17, 2006 |
| 6985406 |
Inteferometric synthetic sonar antenna |
Jan. 10, 2006 |
| 6972678 |
Wireless-based system and method for hull-based sensing |
Dec. 6, 2005 |
| 6952001 |
Integrity bound situational awareness and weapon targeting |
Oct. 4, 2005 |
| 6943726 |
Device for searching a parking space |
Sep. 13, 2005 |
| 6933934 |
Time-gain controlling method and apparatus, recording medium and ultrasonic imaging apparatus |
Aug. 23, 2005 |
| 6909397 |
Stabilizing motion in a radar detection system using ultrasonic radar range information |
Jun. 21, 2005 |
| 6850186 |
System for determining position and velocity of targets from signals scattered by the targets |
Feb. 1, 2005 |
| 6748803 |
Liquid measurement system and shared interface apparatus for use therein |
Jun. 15, 2004 |
| 6697299 |
Individual authentication method, individual authentication apparatus, information communication apparatus equipped with the apparatus, and individual authentication system including the appar |
Feb. 24, 2004 |
| 6617996 |
Ground penetrating radar with audible output |
Sep. 9, 2003 |
| 6573855 |
Three-dimensional questing method, three-dimensional voxel data displaying method, and device therefor |
Jun. 3, 2003 |
| 6567039 |
Road-shape recognition system |
May. 20, 2003 |
| 6561031 |
Prodder with force feedback |
May. 13, 2003 |
| 6545945 |
Material classification apparatus and method |
Apr. 8, 2003 |
| 6545946 |
Method and apparatus for eliminating substantially false echoes produced by electrical noise induced into high gain receiver circuits |
Apr. 8, 2003 |
| 6536062 |
Prodder with force feedback |
Mar. 25, 2003 |
| 6535158 |
Kinematic analysis of conically scanned environmental properties |
Mar. 18, 2003 |
| 6466514 |
Method for elimination of passive noise interference in sonar |
Oct. 15, 2002 |
| 6427532 |
Device for measuring a fill level of a liquid in a container |
Aug. 6, 2002 |
| 6418787 |
Level transmitter for a liquid container and method for determining the level in a liquid container |
Jul. 16, 2002 |
| 6421299 |
Single-transmit, dual-receive sonar |
Jul. 16, 2002 |
| 6418080 |
Underwater detection apparatus |
Jul. 9, 2002 |
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