Tape recorder control system

Details Tape recorder control system Tape recorder control system

1979-09-19

1982-03-23

Smith, Jr., David

Electricity: motive power systems

With particular motor-driven load device

Tension-maintaining type of motor-control system

318 7, 242 7551, B65H 5938

Patent

active

043215157

ABSTRACT:
A tape recorder control circuit for operating both right and left-hand drive motors and control solenoids. At the start of a play operation, both motors are operated at a normal speed to nearly instantly take up tape slack after which one motor is operated at normal speed and the other with a low torque to maintain a back tension on the tape. For operating the solenoids, a single circuit configuration is provided which instantly activates the solenoids when switching from the stop mode to the play mode but activates them only after a predetermined time delay when switching from the fast forward or rewind mode to the play mode.

REFERENCES:
patent: 3482229 (1969-12-01), Burr
patent: 3606201 (1971-09-01), Petusky
patent: 3715641 (1973-02-01), Mattes
patent: 3914668 (1975-10-01), Okamoto
patent: 4133494 (1979-01-01), Nukui

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