Synchronous capstan drive system

Details Synchronous capstan drive system Synchronous capstan drive system

1977-06-16

1979-05-15

Rubinson, Gene Z.

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318314, 318342, 318328, H02P 300

Patent

active

041550331

ABSTRACT:
A drive system for tape transducer capstan drive control for synchronously controlling capstan drive over a wide speed range, the system being a phase locked loop which encompasses the motor, all drive components, and the capstan. The capstan drive to a tape record receives rotation from a capstan drive motor which also provides a rotational sense output. A control circuit receives the sense output as well as a selected reference frequency signal and processes the signals in accordance with selected binary control input thereby to generate the requisite drive voltage for energization of the capstan drive motor.

REFERENCES:
patent: 3596162 (1971-07-01), Takayama
patent: 3753067 (1973-08-01), Milligan
patent: 3843914 (1974-10-01), Carlson et al.
patent: 3912994 (1975-10-01), Stovall

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