Dynamic information storage or retrieval – Control of storage or retrieval operation by a control... – Control of information signal processing channel
Reexamination Certificate
2008-07-08
2008-07-08
Tran, Thang V. (Department: 2627)
Dynamic information storage or retrieval
Control of storage or retrieval operation by a control...
Control of information signal processing channel
C369S053240
Reexamination Certificate
active
07397739
ABSTRACT:
An apparatus for detecting position of blank areas for an optical disc in an optical disc drive according to a wobble signal and a blank signal includes an address decoder for generating a physical address value according to the wobble signal; a counting device coupled to the address decoder for generating a count value according to the wobble signal; and a decision circuit coupled to the counting device for determining whether the count value is within a predetermined range when the edge of the blank signal occurs. If the count value is within the predetermined range when the blank edge occurs, the decision circuit generates a position value corresponding to a blank area of the optical disc.
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Chen Chun-Nan
Chen Hao-Cheng
Wu Wen-Yi
Hsu Winston
Mediatek Incorporation
Pham Van T
Tran Thang V.
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