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Class Information
Number: 367/150
Name: Communications, electrical: acoustic wave systems and devices > Signal transducers > Underwater type > With modifying lens
Description: Subject matter combined with an acoustically transparent means which changes the direction of a ray of acoustic wave energy.










Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8292818 Acoustic lens composition, ultrasonic probe, and ultrasonic diagnostic apparatus Oct. 23, 2012
7770689 Lens for concentrating low frequency ultrasonic energy Aug. 10, 2010
7674233 Method and apparatus for focussing ultrasonic energy Mar. 9, 2010
7311678 Pressure-pulse therapy apparatus Dec. 25, 2007
6981952 Apparatus for generating acoustic waves Jan. 3, 2006
6483225 Ultrasound transducer and method of manufacture thereof Nov. 19, 2002
H2049 Differential property sensitive acoustic lens Oct. 1, 2002
6418084 Ultrasonic probe and method of manufacturing the same Jul. 9, 2002
5566135 Digital transducer Oct. 15, 1996
5546360 Electrically steered acoustic lens Aug. 13, 1996
5481918 Acoustic lens system Jan. 9, 1996
5477736 Ultrasonic transducer with lens having electrorheological fluid therein for dynamically focusing and steering ultrasound energy Dec. 26, 1995
5386396 Process for producing the output surface of a focused ultrasonic beam transducer and transducer with an output surface produced by said process Jan. 31, 1995
5371717 Microgrooves for apodization and focussing of wideband clinical ultrasonic transducers Dec. 6, 1994
5365024 Acoustic lens system Nov. 15, 1994
5351219 Acoustic device Sep. 27, 1994
5345045 Acoustic lens Sep. 6, 1994
5333503 Acoustic lens system Aug. 2, 1994
5309411 Transducer May. 3, 1994
5305731 Apparatus for generating acoustic wave having a liquid lens with an adjustable focal length Apr. 26, 1994
5269292 Pressure pulse source having a positive lens with a pressure sensor Dec. 14, 1993
5235553 Solid ultrasonic lens Aug. 10, 1993
5115414 Conical ultrasonic wave deflection system May. 19, 1992
5050137 Ultrasonic probe Sep. 17, 1991
5036892 Automatic control system for filling beverage containers Aug. 6, 1991
5003516 Ultrasonic probe and manufacture method for same Mar. 26, 1991
4995012 Method of generating an elastic wave Feb. 19, 1991
4991151 Elastic pulse generator having a desired predetermined wave form Feb. 5, 1991
4970705 Constant focal length acoustic lens Nov. 13, 1990
4961456 Automatic control system for filling beverage containers Oct. 9, 1990
4944336 Automatic control system for filling beverage containers Jul. 31, 1990
4944335 Automatic control system for filling beverage containers Jul. 31, 1990
4941135 Ultrasonic field generating device Jul. 10, 1990
4917155 Ultrasound level detector and container counter Apr. 17, 1990
4915114 Shock wave source having central locating system & disposed in a cavity free of shock waves Apr. 10, 1990
4856107 Acoustic filter for suppressing or attenuating the negative half-waves of an elastic wave and an elastic wave generator comprising such a filter Aug. 8, 1989
4852682 Underwater voice communicator Aug. 1, 1989
4792931 Optical seismic detector Dec. 20, 1988
4780861 Automatic control system for filling beverage containers Oct. 25, 1988
4764905 Ultrasonic transducer for the determination of the acoustic power of a focused ultrasonic field Aug. 16, 1988
4725989 Method controlling the focusing of an ultrasonic field and apparatus for performing said method Feb. 16, 1988
4703463 Seismic vibration apparatus Oct. 27, 1987
4651850 Acoustic lens Mar. 24, 1987
4639904 Sonic transmitters Jan. 27, 1987
4591864 Frequency independent twisted wave front constant beamwidth lens antenna May. 27, 1986
4564841 Navigational systems using phase encoded angular coordinates Jan. 14, 1986
RE32062 Multiple field acoustic focusser Jan. 14, 1986
4551826 Multiple beam lens transducer with collimator for sonar systems Nov. 5, 1985
4484317 Multibeam lens/filter combination for sonar sensor Nov. 20, 1984
4480324 Constant beamwidth frequency independent acoustic antenna Oct. 30, 1984

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