Method of forcibly judging a sector synchronous signal for a dis

Details Method of forcibly judging a sector synchronous signal for a dis Method of forcibly judging a sector synchronous signal for a dis

1996-12-24

1999-11-30

Kim, W. Chris

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data clocking

360 49, 369 59, G11B 509, H04N 576

Patent

active

059953071

ABSTRACT:
A method of judging a sector synchronous signal for a disk reproducing apparatus, includes a first step for decoding and storing a synchronous signal, a second step for comparing the decoded synchronous signal with a reference sector synchronous signal, a third step for assuming the detected synchronous signal to be a sector synchronous signal when the decoded synchronous signal and the reference sector synchronous signal are identical based on a result of the second step, a fourth step for judging whether the synchronous signal stored before the decoded synchronous signal indicates a desired state, and a fifth step for finally judging that the assumed sector synchronous signal is a sector synchronous signal based on a result of the fourth step.

REFERENCES:
patent: 5293549 (1994-03-01), Ichikawa
patent: 5321560 (1994-06-01), Cowen
patent: 5706265 (1998-01-01), Bang

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