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Browse by Category: Main > Communications
Class Information
Number: 367/113
Name: Communications, electrical: acoustic wave systems and devices > Echo systems > Distance or direction finding > With indicator > Cathode-ray tube
Description: Subject matter in which the display device is an evacuated tube with a luminescent screen activated by a controlled electron beam.










Patents under this class:
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Patent Number Title Of Patent Date Issued
7573466 Method and apparatus for data entry for a liquid crystal display Aug. 11, 2009
6326915 Radar device with multiplexed display functions for use in backing up a vehicle Dec. 4, 2001
5598206 Beamformed television Jan. 28, 1997
5537380 Sonar system having an interactive sonar viewing apparatus and method of configuring same Jul. 16, 1996
5367498 Lateral direction detection sonar Nov. 22, 1994
5363307 Measuring apparatus having an indicator for displaying tide or tidal current data Nov. 8, 1994
5285388 Detection of fluid reflection for echo sounding operation Feb. 8, 1994
4982384 Split beam sonar Jan. 1, 1991
4809242 Apparatus for processing fish detection signals Feb. 28, 1989
4774573 Method and apparatus for generating a video display from signals produced by borehole scanning Sep. 27, 1988
4729121 Underwater detection system Mar. 1, 1988
4694434 Three-dimensional imaging system Sep. 15, 1987
4672589 Underwater detection system Jun. 9, 1987
4653032 Arrangement for the determination of the direction and/or distance of objects by means of water-borne sound waves Mar. 24, 1987
4644511 Display system for fish sonar Feb. 17, 1987
4642801 Visual display process for sonars Feb. 10, 1987
RE32252 Method of and apparatus for providing information as to the existence or position of objects Sep. 23, 1986
4492117 Ultrasonic nondestructive test apparatus Jan. 8, 1985
4479206 Scanning sonar display system Oct. 23, 1984
4410966 Method and apparatus for detection of insoluble sinking pollutants Oct. 18, 1983
4397008 Echo sounder with CRT display Aug. 2, 1983
RE31026 Navigation system for maneuvering a structure about a submerged object Sep. 7, 1982
4347591 Imaging sonar system and method Aug. 31, 1982
4310903 Method of and apparatus for providing information as to the existence or position of objects Jan. 12, 1982
4300216 Multi-channel fishscope Nov. 10, 1981
4298965 Directivity display device and method Nov. 3, 1981
4234937 Peak detector for resolution enhancement of ultrasonic visualization systems Nov. 18, 1980
4213198 Method for classification of sonar echoes Jul. 15, 1980
4210904 Method and apparatus for converting analog ultrasonic echo signals into digital form Jul. 1, 1980
4204281 Signal processing system for underwater transducer May. 20, 1980
4201971 Ultrasonic centering apparatus May. 6, 1980
4202050 Multi-angular sector sound transmitting and receiving system May. 6, 1980
4197591 Facsimile recording of sonic values of the ocean bottom Apr. 8, 1980
4154114 Biometric measuring device May. 15, 1979
4119939 Acoustic imaging method and apparatus Oct. 10, 1978
4115752 Echo sounding device with cathode ray tube display Sep. 19, 1978
4104609 Fish-finder Aug. 1, 1978
4102203 Underwater inspection and communication apparatus Jul. 25, 1978
4099179 Method and system of electronic image storage and display Jul. 4, 1978
4097835 Dual transducer arrangement for ultrasonic imaging system Jun. 27, 1978
4086560 Secret depth sounder Apr. 25, 1978
4079352 Echo sounding technique Mar. 14, 1978
4070642 Ultrasonic wave transmitting and receiving apparatus Jan. 24, 1978
4064741 Real-time ultrasonic imaging system Dec. 27, 1977
4060791 Imaging system Nov. 29, 1977
4057779 Ultrasonic detection system Nov. 8, 1977
4052693 Depth sounder Oct. 4, 1977
4047147 Dual beam sonar display system Sep. 6, 1977
4045766 Ultrasonic detection system Aug. 30, 1977
4038654 Indication device in plan position indication system Jul. 26, 1977

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