Motor speed control circuit

Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the record

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Details

318490, G11B 1546

Patent

active

042964466

ABSTRACT:
A motor speed control circuit features a speed synthesizer for accurate speed control. The synthesizer has a phase-locked loop with a programmable divider for allowing variable speeds.

REFERENCES:
patent: 3893169 (1975-07-01), Hall, Jr.
patent: 4123779 (1978-10-01), Goldschmidt
patent: 4190860 (1980-02-01), Somers et al.
patent: 4203061 (1980-05-01), Minakuchi
patent: 4211967 (1980-07-01), Akiyama et al.

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