Water-depth measuring apparatus for a double bearing type fishin

Details Water-depth measuring apparatus for a double bearing type fishin Water-depth measuring apparatus for a double bearing type fishin

1984-01-25

1986-11-04

Frankfort, Charles

Geometrical instruments

Area integrators

Electrical

331265, 242 841M, 242 841R, G01B 312, G01B 702, A01K 9700

Patent

active

046203710

ABSTRACT:
A water-depth measuring apparatus for a double bearing type fishing reel including a reel body in which a spool carrying a fishing line is rotatably supported. At least one element is provided on the spool for rotation therewith. A case which is separate from the reel body is removably mountable on the reel body, and contains a detector for detecting the rotating speed of the element and generating a corresponding signal, a computer for receiving the signal from the detector and calculating the cast length of the fishing line, a display device for displaying the cast length, a keyboard, a battery and a buzzer. The keyboard carries a power supply ON key, a power supply OFF key, a fishing line size set key, a memory set key and a buzzer OFF key. The detector faces the element and the buzzer sounds when the cast length of the fishing line has reached a certain level.

REFERENCES:
patent: 2752686 (1956-07-01), Anderson et al.
patent: 2874477 (1959-02-01), McConnell
patent: 3909949 (1975-10-01), Miyamae
patent: 4014422 (1977-03-01), Morishita
patent: 4373266 (1983-02-01), Stutz
patent: 4378652 (1983-04-01), Lindgren
patent: 4438391 (1984-03-01), Rog et al.
patent: 4447955 (1984-04-01), Stutz et al.

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