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Class Information
Number: 367/105
Name: Communications, electrical: acoustic wave systems and devices > Echo systems > Distance or direction finding > With beam steering, scanning, or focussing > Transducer switching or gating
Description: Subject matter in which the directional characteristics are varied by selectively or repetitively opening or closing the electric signal path to the transducer.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8532822 System and method for determining the location of a machine Sep. 10, 2013
8172755 Fractional delay filter-based beamformer apparatus using post filtering May. 8, 2012
8046103 System and method for determining the location of a machine Oct. 25, 2011
8038620 Fresnel zone imaging system and method Oct. 18, 2011
7678048 Medical diagnostic ultrasound system and method Mar. 16, 2010
RE40456 Acoustic wave imaging apparatus and method Aug. 12, 2008
7289390 Ultrasonic transmitting/receiving apparatus and scanning sonar employing same Oct. 30, 2007
7280435 Switching circuitry for reconfigurable arrays of sensor elements Oct. 9, 2007
7274622 Nonlinear techniques for pressure vector acoustic sensor array synthesis Sep. 25, 2007
7257051 Integrated interface electronics for reconfigurable sensor array Aug. 14, 2007
6926671 Ultrasonic imaging apparatus and method Aug. 9, 2005
6836159 Integrated high-voltage switching circuit for ultrasound transducer array Dec. 28, 2004
6445646 Signal processing method and apparatus, and sonar systems Sep. 3, 2002
6421299 Single-transmit, dual-receive sonar Jul. 16, 2002
6310831 Method and system for aperture adjustment in steered phased array transducer systems Oct. 30, 2001
6285628 Swept transit beam bathymetric sonar Sep. 4, 2001
6181643 Interferometer with a single projector array and a single receiver array Jan. 30, 2001
6138513 Method and apparatus for fast acquisition of ultrasound images Oct. 31, 2000
6046961 Multi-layer tiled array Apr. 4, 2000
5787049 Acoustic wave imaging apparatus and method Jul. 28, 1998
5642329 Method for doubling the resolving power of a sonar array and a sonar array for implementing the same Jun. 24, 1997
5557583 Transducer to generate phase-encoded wavefields Sep. 17, 1996
5548561 Ultrasound image enhancement using beam-nulling Aug. 20, 1996
5540098 Transfer device Jul. 30, 1996
5537380 Sonar system having an interactive sonar viewing apparatus and method of configuring same Jul. 16, 1996
5301168 Ultrasonic transducer system Apr. 5, 1994
5268877 Digital beamforming and filtering circuit Dec. 7, 1993
5263483 Beam former for ultrasonic diagnostic apparatus Nov. 23, 1993
5251186 Preprocessor and adaptive beamformer for linear-frequency modulation active signals Oct. 5, 1993
5241515 Method and device for determining variations in the position of a movable object by means of ultrasound Aug. 31, 1993
5239515 Error-eliminating rapid ultrasonic firing Aug. 24, 1993
5231610 Piling and pier inspection apparatus and method Jul. 27, 1993
5177711 Object detecting switch device Jan. 5, 1993
5172343 Aberration correction using beam data from a phased array ultrasonic scanner Dec. 15, 1992
5140558 Focused ultrasound imaging system and method Aug. 18, 1992
5132939 Low transient switching system Jul. 21, 1992
5128903 Ultrasound apparatus for the virtual diminution of the array division of a connectable transducer array Jul. 7, 1992
5115416 Active transducer assembly for a phased array depth sounder May. 19, 1992
5063541 Beam forming method and apparatus therefor in ultrasonic imaging system Nov. 5, 1991
5047993 Detection and classification for multi-beam sonar systems Sep. 10, 1991
5014712 Coded excitation for transmission dynamic focusing of vibratory energy beam May. 14, 1991
5008862 Object detecting switch device Apr. 16, 1991
5001678 System for detecting surrounding environmental conditions using a multiple number of incoming signals Mar. 19, 1991
4980870 Array compensating beamformer Dec. 25, 1990
4951268 Method for the sonar classification of underwater objects, notably moored mines Aug. 21, 1990
4937767 Method and apparatus for adjusting the intensity profile of an ultrasound beam Jun. 26, 1990
4896304 Object detecting system using ultrasonic waves Jan. 23, 1990
4890267 Switch matrix Dec. 26, 1989
4887246 Ultrasonic apparatus, system and method Dec. 12, 1989
4882714 Object detecting system using ultrasonic waves Nov. 21, 1989

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