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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:

Class Number Class Name Patents
367/99 Distance or direction finding 500
367/92 Parametric sonar 52
367/93 Presence or movement only detection 272
367/95 Returned signal used for control 100
367/88 Side scanning or contour mapping sonar systems 230
367/89 Speed determination 108


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
5195058 Ultrasonic method for non-intrusive low liquid level sensing Mar. 16, 1993
5168477 Method of and an apparatus for the ultrasonic identification of materials and equipments Dec. 1, 1992
5144592 Ultrasonic transmission-reception system Sep. 1, 1992
5138586 Acoustic logic circuits Aug. 11, 1992
5125514 Recognizing unwanted material in textile fibers Jun. 30, 1992
5111438 Method of acoustic processing for acoustic image classification May. 5, 1992
5079753 Diver orientation apparatus and method Jan. 7, 1992
5068835 Acoustic holographic array measurement device and related material Nov. 26, 1991
5025423 Enhanced bottom sonar system Jun. 18, 1991
5022014 Ultrasonic temperature sensors, and ultrasonic waveguide connectors for use therewith Jun. 4, 1991
5012452 Pulse transformation sonar Apr. 30, 1991
4959817 Intruder target monitoring sonar alarm system Sep. 25, 1990
4949318 Hydroacoustic sonar equipment Aug. 14, 1990
4939702 Barrier sonar Jul. 3, 1990
4933914 Channel adaptive active sonar Jun. 12, 1990
4922467 Acoustic detection apparatus May. 1, 1990
4918671 Depth sounder operation for hostile environments Apr. 17, 1990
4893286 System and method for preprocessing and transmitting echo waveform information Jan. 9, 1990
4888744 Pulsed directional doppler frequency domain output circuit Dec. 19, 1989
4872145 Noise trap circuit Oct. 3, 1989
4872146 Method and apparatus for simulating phase coherent signal reflections in media containing randomly distributed targets Oct. 3, 1989
4847817 Broadband sonar signal processor and target recognition system Jul. 11, 1989
4843597 System for marine seismic exploration Jun. 27, 1989
4800540 Discriminating ultrasonic proximity detection system Jan. 24, 1989
4796238 System for measurement of the acoustic coefficient of reflection of submerged reflectors Jan. 3, 1989
4794574 Broad band interference sonar having compressed emission Dec. 27, 1988
4779243 Transducer array velocity sensor and processor system Oct. 18, 1988
4777630 Processing of reflected signals Oct. 11, 1988
4706227 Acoustic obstruction detector and method Nov. 10, 1987
4701893 Ultrasonic ranging system Oct. 20, 1987
4695985 Apparatus for preventing a roundabout of supersonic wave in a supersonic wave transmitter and receiver for a vehicle Sep. 22, 1987
4686532 Accurate location sonar and radar Aug. 11, 1987
4686659 Color sonar system for displaying echo signals from fish Aug. 11, 1987
4663745 Circuit arrangement for separating high-frequency pulses generated by an acoustic reflecting lens arrangement May. 5, 1987
4661933 Method and apparatus for acoustically measuring the transverse dimensions of a borehole Apr. 28, 1987
4654833 System for transmitting and receiving a periodic pulse train Mar. 31, 1987
4648081 Circuit for automatic seabed discrimination Mar. 3, 1987
4644510 Ultrasonic measurement method, and apparatus therefor Feb. 17, 1987
4644509 Ultrasonic audience measurement system and method Feb. 17, 1987
4597068 Acoustic ranging system Jun. 24, 1986
4596006 Ultrasonic object detector Jun. 17, 1986
4576286 Parts sorting systems Mar. 18, 1986
4532615 Phased array for an ultrasonic transducer Jul. 30, 1985
4510586 Array system with high resolving power Apr. 9, 1985
4486867 Transmit/receive solid state switching system Dec. 4, 1984
4481517 Echometry device and method Nov. 6, 1984
4442512 Ultrasonic wave transmitting and receiving device for vehicles Apr. 10, 1984
4439844 Salmon counter with separate king salmon tabulator Mar. 27, 1984
4439845 Sonar system Mar. 27, 1984
4410967 Method for sampling flying insect populations using low-frequency sound detecting and ranging in conjunction with a biologically active chemical/pheromone Oct. 18, 1983

1 2 3 4 5










 
 
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