Dynamic information storage or retrieval – Storage medium structure – Optical track structure
Reexamination Certificate
2005-10-04
2005-10-04
Neyzari, Ali (Department: 2655)
Dynamic information storage or retrieval
Storage medium structure
Optical track structure
C369S277000
Reexamination Certificate
active
06952393
ABSTRACT:
A recording/reproducing medium having grooves, a land formed between the grooves, and land prepits formed on the land in which each of said land prepits has a most optimum design condition where a ratio (LLP Level/offset) between a voltage amplitude (LLP Level) of a land prepit detection signal and an offset level (offset) of an RF signal becomes more than about or where an amplitude change of an RF signal through the land prepit becomes minimum. The recording/reproducing medium can be one of a DVD-R and a DVD-RW.
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Patent Abstracts of Japan. vol. 1997, No. 05, May 30, 1997 for JP 9 017029 published Jan. 17, 1997.
Kato Masahiro
Muramatsu Eiji
Sato Makoto
Arent & Fox PLLC
Pioneer Corporation
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