Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the record
Patent
1979-11-15
1981-10-20
Wolff, John H.
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the record
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.
Meise William H.
Rasmussen Paul J.
RCA Corporation
Steckler Henry I.
Wolff John H.
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