Tape drive motor control circuit

Details Tape drive motor control circuit Tape drive motor control circuit

1975-04-14

1977-12-13

Dobeck, B.

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318 7, 318 77, 242184, B65H 2320, H02P 500

Patent

active

040631397

ABSTRACT:
An arrangement for controlling the speed of payoff and winding reels and an associated capstan drive in a recording and reproducing arrangement during start up, running and stopping operations employing the application of control signals to the capstan and reel motors which include novel, combined use of capstan motor armature counter-electromotive force, reference signals and capstan motor terminal voltage.

REFERENCES:
patent: 2881374 (1959-04-01), Anger
patent: 3478985 (1969-11-01), Tobey
patent: 3604992 (1971-09-01), Audeh
patent: 3673473 (1972-06-01), Werner
patent: 3704401 (1972-11-01), Miller
patent: 3734426 (1973-05-01), Howes et al.

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