Recording medium and a recording system for the recording...

Dynamic information storage or retrieval – Storage medium structure – Optical track structure

Reexamination Certificate

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C369S277000

Reexamination Certificate

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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.

REFERENCES:
patent: 5282184 (1994-01-01), Takikita
patent: 5448552 (1995-09-01), Onagi
patent: 5617406 (1997-04-01), Onagi et al.
patent: 6104682 (2000-08-01), Konishi
patent: 6144625 (2000-11-01), Kuroda et al.
patent: 6272089 (2001-08-01), Kato
patent: 6603720 (2003-08-01), Kuroda et al.
patent: 9 017029 (1997-01-01), None
US 6,567,356, 5/2003, Kuroda et al. (withdrawn)
Patent Abstracts of Japan. vol. 1997, No. 05, May 30, 1997 for JP 9 017029 published Jan. 17, 1997.

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