Dynamic information storage or retrieval – Storage medium structure – Optical track structure
Reexamination Certificate
2006-09-12
2006-09-12
Patel, Gautam R. (Department: 2627)
Dynamic information storage or retrieval
Storage medium structure
Optical track structure
C369S094000
Reexamination Certificate
active
07106686
ABSTRACT:
An optical information recording medium is provided with a plurality of information layers (2, 3), each of which has a sector structure in which a data area (8, 12) is divided in the circumferential direction by a sector address (9, 13). The positions of the sector addresses (9, 13) of the respective information layers (2, 3) coincide in the circumferential direction. This can prevent errors during reproduction caused by the effect of other information layers and stabilize recording characteristics, resulting in an increased recording capacity of a rewritable recording medium having a plurality of information layers with a sector structure.
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Nagata Ken'ichi
Nishiuchi Ken'ichi
Hamre Schumann Mueller & Larson P.C.
Patel Gautam R.
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