Reproducing device for frequency modulated signals

Details Reproducing device for frequency modulated signals Reproducing device for frequency modulated signals

1987-04-30

1989-03-21

McElheny, Jr., Donald

Dynamic information storage or retrieval

Control of storage or retrieval operation by a control...

Mechanism control by the control signal

360 381, 360 64, 358336, G11B 2024

Patent

active

048150614

ABSTRACT:
A frequency modulated signal reproducing device includes a reproducing device for reproducing a frequency modulated signal from a recording medium; a pilot signal generating circuit for generating a pilot signal relative to a discontinued part of the signal reproduced by the reproducing device; a phase lock circuit which generates a phase locked signal which is phase locked relative to the reproduced signal; a demodulating circuit for frequency demodulating the phase locked signal; and a control circuit for controlling the response speed of the phase lock circuit on the basis of the pilot signal.

REFERENCES:
patent: 4221930 (1980-09-01), Okuno
patent: 4303939 (1981-12-01), Stephens et al.
patent: 4335394 (1982-06-01), Warren

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