Apparatus and method for detecting sector sync signal on an...

Details Apparatus and method for detecting sector sync signal on an... Apparatus and method for detecting sector sync signal on an...

2007-07-17

2007-07-17

Young, Wayne (Department: 2627)

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

Reexamination Certificate

active

10414159

ABSTRACT:
An apparatus and method to detect an LPP sync signal on an optical storage medium include a frame sync bit detection unit detecting frame sync bits from the LPP sync signal on the optical storage medium and a sync detection unit determining whether continuity exists in the detection of the frame sync bits and detecting a 6-bit sector sync or a 3-bit sector sync using a 6-bit long window or a 3-bit long window, respectively, in response to a result of the determination. The apparatus further includes a sync detection result output unit outputting a sector sync detection period when continuity exists in the detection of frame sync bits and in the detection of the 3-bit sector sync or 6-bit sector sync and counting a sync detection signal and a new sync detection period when a sector sync signal is detected by the sync detection unit.

REFERENCES:
patent: 5677935 (1997-10-01), Karino
patent: 6069855 (2000-05-01), Fuma et al.
patent: 2001/0024412 (2001-09-01), Fujiwara
patent: 2002/0009030 (2002-01-01), Matsumoto et al.
patent: 2002/0021636 (2002-02-01), Moriwaki
patent: 2002/0172103 (2002-11-01), Yamawaki

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