Tape reversal control

Details Tape reversal control Tape reversal control

1979-05-14

1981-03-17

Christian, Leonard D.

Winding, tensioning, or guiding

Reeling device

Fishing rod reel

242186, 242190, G03B 104, G11B 1532

Patent

active

042562740

ABSTRACT:
A bi-directional magnetic tape recording and playback apparatus having means for assuring the correct operation of the take-up reel. A solenoid-controlled intermediate gear in the drive train to the reel spindles is moved between two operative positions in order to transfer the magnetic tape from the tape supply reel to the take-up reel whatever the direction of motion of the tape. The apparatus includes a mechanical element associated with the intermediate gear for producing an electrical indication of the intermediate gear being in an operative position. This electrical indication is processed by an electronic circuit for producing an output signal when the positioning of the intermediate gear is incorrect.

REFERENCES:
patent: 3488017 (1970-01-01), Schatteman
patent: 4046334 (1977-09-01), Kato et al.
patent: 4104487 (1978-08-01), Jacobson

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