Method and apparatus for reproducing information

Details Method and apparatus for reproducing information Method and apparatus for reproducing information

2006-05-23

2006-05-23

Edun, Muhammad (Department: 2656)

Dynamic information storage or retrieval

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

Mechanism control by the control signal

C369S047150, C369S047280, C369S059190, C369S275100

Reexamination Certificate

active

07050373

ABSTRACT:
An information signal is read from a recording medium to generate a reproduced signal. A sync detector detects a sync signal in the reproduced signal on a pattern search basis during operation in a direct mode. The sync detector sets a detection window and detects a sync signal in the reproduced signal in the detection window during operation in an inertia mode. A special pattern signal in the reproduced signal is detected and counted to generate a count result. The count result is reset in response to detection of a first special signal in the reproduced signal. A detection flag is generated in cases where a second special signal in the reproduced signal is detected when the count result denotes a last sector in a block of the reproduced signal. The sync detector changes its operation from the inertia mode to the direct mode when the detection flag is generated.

REFERENCES:
patent: 6687198 (2004-02-01), Yamawaki
patent: 2002/0126596 (2002-09-01), Adachi
patent: 11-186992 (1999-07-01), None
patent: 2001-243727 (2001-09-01), None

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