Clock generator circuit and a synchronizing signal detection met

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons

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Details

328 63, 328 72, 328109, 369 48, H03K 513, G11B 509

Patent

active

049821105

ABSTRACT:
A recording-reproducing clock generator circuit generates a reproduced clock having a predetermined frequency from a read out signal including such pulses that the interval between two successive pulses thereof at a predetermined length is to be used as a synchronizing signal region. The circuit generates a reference clock of a predetermined frequency, generates a first sync signal detection signal when the distance between two successive pulses in the input signal measured by means of the clock pulses is equal to a predetermined reference value, separates a clock edge pulse from the input signal by using the first sync signal detection signal, and generates the reproduced clock having the predetermined frequency and synchronized with the separated clock edge pulse.

REFERENCES:
patent: 3684967 (1972-04-01), Kelly
patent: 3950658 (1976-04-01), Mattson
patent: 4020418 (1977-04-01), Burrage
patent: 4027261 (1977-05-01), Laurent et al.
patent: 4713802 (1987-12-01), Kobata et al.
patent: 4808884 (1989-02-01), Hull et al.
patent: 4912694 (1990-03-01), Yamamoto

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