Dynamic information storage or retrieval – Storage medium structure – Optical track structure
Reexamination Certificate
2008-05-13
2008-05-13
Young, Wayne (Department: 2627)
Dynamic information storage or retrieval
Storage medium structure
Optical track structure
C369S053210
Reexamination Certificate
active
07372801
ABSTRACT:
A reproduction-only optical disc has a lead-in area, a user data area, and a lead-out area. Disc related information recorded on at least one of the lead-in area and the lead-out area is recorded by high frequency groove wobbles, and data of the user data area is recorded by pits. Since the high-density reproduction-only optical disc uses the same channels for reproduction signals as a high-density recordable optical disc, the two types of discs are consistent with each other and are compatible with the same disc drives.
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Reference AA (US 6,327,240) is a U.S. counterpart of Reference AG (CN 1203415).
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Lee Kyung-Geun
Park Chang-min
Park In-sik
Ro Myong-do
Yoon Du-seop
Pham Van T.
Samsung Electronics Co,. Ltd.
Stein, McEwen & Bui LLP
Young Wayne
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