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Class Information
Number: 367/109
Name: Communications, electrical: acoustic wave systems and devices > Echo systems > Distance or direction finding > With indicator > Rotating lamp
Description: Subject matter in which the display device comprises a light source which is moved in a circular path.

Patents under this class:

Patent Number Title Of Patent Date Issued
8644112 Flasher type fish sonar Feb. 4, 2014
8553500 Flasher type fish sonar Oct. 8, 2013
8406083 Flasher sonar device with interleaved zoom Mar. 26, 2013
8094517 Flasher sonar device with LCD annotations Jan. 10, 2012
7948828 Flasher sonar device with light guide May. 24, 2011
7495997 Light pipe display for sonar Feb. 24, 2009
7057972 Flasher type fish sonar Jun. 6, 2006
6768701 Flasher-type fish finder with zoom feature Jul. 27, 2004
6650595 Flasher type fish sonar Nov. 18, 2003
5999490 Flasher type fish sonar Dec. 7, 1999
5973997 Flasher type fish sonar Oct. 26, 1999
4682177 Display for radars or sonars Jul. 21, 1987
4672590 Talking depth sounder Jun. 9, 1987
4621348 Talking depth sounder Nov. 4, 1986
4616350 Talking depth sounder Oct. 7, 1986
4489405 Talking depth sounder Dec. 18, 1984
4322827 Range expander for sonar system Mar. 30, 1982
4274084 Audio-visual signal circuits Jun. 16, 1981
4210970 Echo sounders Jul. 1, 1980
4197741 Marine detection apparatus Apr. 15, 1980
4189702 Commutator and fiber brush rotating disc Feb. 19, 1980
4186371 Echo sounders Jan. 29, 1980
4184142 Pulse generating circuit means for depth sounder alarm and transmitter Jan. 15, 1980
4122428 Marine detection apparatus Oct. 24, 1978
4052693 Depth sounder Oct. 4, 1977
4013991 Fish locator Mar. 22, 1977
3964012 Color display system in ultrasonic sonar Jun. 15, 1976
3953824 Depth sounder with indicia lighting means Apr. 27, 1976
3952279 Sonar system for use by fishermen and the like Apr. 20, 1976

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