Flasher type fish sonar

Details Flasher type fish sonar Flasher type fish sonar

2006-06-06

2006-06-06

Lobo, Ian J. (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Echo systems

Distance or direction finding

C367S109000

Reexamination Certificate

active

07057972

ABSTRACT:
A flasher type fish sonar includes a case, a circuit board mounted in the case, and a motor attached to the circuit board and including a rotary shaft. A light conducting disk is fixed to the rotary shaft and includes a projecting portion for mounting the light conducting disk, a luminous portion and a light conducting portion for conducting light to the luminous portion. A shadow disk is fixed to the luminous portion and includes a slit through which light passes from the luminous portion. A front display disk is provided in front of the shadow disk. A luminous element is connected with the circuit board opposite to the light conducting portion. A fish sonar circuit inputs signals of a surface of a body of water, fish, and a bottom of the water, and a piezoelectric vibrator is connected to the fish sonar.

REFERENCES:
patent: 3964012 (1976-06-01), Yamamoto et al.
patent: 5973997 (1999-10-01), Yamamoto et al.
patent: 5999490 (1999-12-01), Shimauchi et al.
patent: 6650595 (2003-11-01), Asakura

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