Circuit for detecting a synchronous signal included in an inform

Details Circuit for detecting a synchronous signal included in an inform Circuit for detecting a synchronous signal included in an inform

1994-05-09

1995-08-29

Chin, Tommy P.

Dynamic information storage or retrieval

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

Mechanism control by the control signal

358336, 360 371, 360 381, G11B 509, G11B 1552, G11B 2010, G11B 2722

Patent

active

054467152

ABSTRACT:
An information reproducing apparatus according to the present invention is capable of overcoming a problem of impossibility in data reproduction which takes place due to a deletion of a SYNC signal or a RESYNC signal or generation of a false signal. If the above-described signal has been deleted, a normal RESYNC position estimation pulse, estimated from the previous signal, is used in place of the deleted signal. As for the false signal, the structure is arranged in such a manner that only one signal is generated by arranging the RESYNC window circuit or the delay circuit and that the generated signal does not adversely influence the detection of a next RESYNC signal. Therefore, the above-described requirement is achieved by adding of a simple structure.

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