Apparatus for processing fish detection signals

Details Apparatus for processing fish detection signals Apparatus for processing fish detection signals

1987-08-31

1989-02-28

Shepperd, John W.

Communications, electrical: acoustic wave systems and devices

Echo systems

Distance or direction finding

367111, G01J 1596

Patent

active

048092428

ABSTRACT:
Disclosed is a signal processor for an ultrasonic fish detector, in which the signal processing circuit is arranged separately from the display unit, whereas conventionally both are configured integrally, within a case with the provision of a composite converting circuit and RGB converting circuit with associated video output terminal and RGB output terminal, thereby allowing the user to configure a fish detection system by merely purchasing the fish detection signal processor made up of the signal processing circuit and a transducer and utilizing a home television set or an RGB graphics monitor oriented to personal computers.

REFERENCES:
patent: 4104609 (1978-08-01), Minegishi et al.
patent: 4282590 (1981-08-01), Wingate
patent: 4300216 (1981-11-01), Barton, Jr.
patent: 4324135 (1982-04-01), Peyton
patent: 4479206 (1984-10-01), Granberg et al.
patent: 4597069 (1986-01-01), Milano et al.
patent: 4651309 (1987-03-01), Honda
patent: 4653032 (1987-03-01), Schwarz et al.
patent: 4672589 (1987-06-01), Yoshida et al.
patent: 4690150 (1987-09-01), Mayo

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