Power conserving motor control circuit for a video tape recorder

Details Power conserving motor control circuit for a video tape recorder Power conserving motor control circuit for a video tape recorder

1977-12-19

1979-07-10

Konick, Bernard

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 84, G11B 2102

Patent

active

041610024

ABSTRACT:
A battery-operable video tape recorder includes a rotary magnetic head which during normal operation is driven at a predetermined speed controlled by a servo circuit. In the pause mode of the recorder the rotary magnetic head is driven at a lower, uncontrolled speed to reduce power consumption. Release of the pause mode may be delayed until the servo circuit has locked following a pause.

REFERENCES:
patent: 3869709 (1975-03-01), Yamagishi et al.
patent: 4021857 (1977-05-01), Tanimura

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