Optical disc

Details Optical disc Optical disc

2008-07-15

2008-07-15

Hindi, Nabil Z (Department: 2627)

Dynamic information storage or retrieval

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

Control of information signal processing channel

C369S275300

Reexamination Certificate

active

11432544

ABSTRACT:
An optical disc includes a read-only area having a first wobble, which is a data wobble formed in the read-only area for only reading, a readable/writable area having a second wobble, which is different from the data wobble, and a connection area between the read-only area and the readable/writable area having a third wobble having the same frequency as one of the first and second wobbles.

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Chinese Office Action issued Oct. 12, 2007 in corresponding Chinese Patent Application No. 021444560.

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