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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 |
| 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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