Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding
Patent
1990-08-03
1991-02-19
Lobo, Ian J.
Communications, electrical: acoustic wave systems and devices
Echo systems
Distance or direction finding
367910, 43 171, 73290R, G01S 1596
Patent
active
049950096
ABSTRACT:
The castable fish/depth finder has a display unit, rod and reel, transducer and conductors establishing electrical continuity from the display unit to the rod and reel, and therefrom to the transducer. The conductor from the rod and reel to the transducer additionally functions as mechanical means for conventional casting by an onshore fisherman of the transducer to a particular section of a body of water. The presence of fish in such particular section and the water depth is ascertained and indicia therefor is displayed on a screen of the display unit.
REFERENCES:
patent: 3564490 (1971-02-01), Camp
patent: 4225952 (1980-09-01), Lewis
patent: 4891902 (1990-01-01), Whitney, Jr.
Altmire Jeffrey J.
Paskert John E.
Lobo Ian J.
Wessendorf, Jr. Walter F.
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