Turntable dc brushless motor stopping control

Details Turntable dc brushless motor stopping control Turntable dc brushless motor stopping control

1983-07-19

1985-10-22

Shoop, Jr., William M.

Electricity: motive power systems

Switched reluctance motor commutation control

318138, 318365, 318373, 318439, H02P 602

Patent

active

045491208

ABSTRACT:
A drive motor control device for a video disk player or the like operates to brake the motor by driving it reversely upon reception of a rotation termination signal, until it is detected that the motor has stopped and rotates reversely. The motor is then driven forwardly for a predetermined time before being allowed to rotate freely to a stop.

REFERENCES:
patent: 3819997 (1974-06-01), Morton et al.
patent: 4127799 (1978-11-01), Nakamura et al.
patent: 4172990 (1979-10-01), Everett et al.

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