Apparatus and method for recovering clock signal extracted...

Details Apparatus and method for recovering clock signal extracted... Apparatus and method for recovering clock signal extracted...

2007-07-10

2007-07-10

Young, Wayne (Department: 2627)

Dynamic information storage or retrieval

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

Control of information signal processing channel

C369S053340

Reexamination Certificate

active

10351195

ABSTRACT:
The invention advantageously provides an apparatus and method for recovering clock signals extracted from prerecorded wobbled grooves formed in an optical storage medium such as a compact disk (CD), mini disk (MD) or digital video disk (DVD). A preferred embodiment of the method according to the invention primarily comprises the steps of extracting a series of wobble signals from the prerecorded information, demodulating the wobble signals for generating a series of demodulated clock signals, detecting a period for the clock signals, dividing each of the clock signals for acquiring a series of synchronization frames, generating compensating phases, and respectively adjusting the synchronization frames with the compensating phases for generating a series of phase compensated frames.

REFERENCES:
patent: 5663945 (1997-09-01), Hayashi et al.
patent: 6901039 (2005-05-01), Sugie et al.
patent: 7016284 (2006-03-01), Chou
patent: 2002/0003764 (2002-01-01), Osada
patent: 2003/0169656 (2003-09-01), Chou et al.
patent: 2004/0037185 (2004-02-01), Tawaragi

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