Information recording medium

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

Reexamination Certificate

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Details

C369S044130, C369S047270

Reexamination Certificate

active

07110347

ABSTRACT:
A recording medium is provided, which maximizes the recording capacity and simplifies the configuration of an information recording/reproducing apparatus including a pickup. In the medium, different types of wobbling signals are preformatted in each of the adjacent land and groove signal tracks. A same-phase wobbling signal provided by wobbling each side of the respective land and groove signal tracks in the same phase, and a different-phase wobbling signal provided by wobbling each side of the respective land and groove signal tracks in a different phase are used as the different types of wobbling signals. The physical positions of all the land and groove signal tracks are indicated by the same-phase wobbling signal.

REFERENCES:
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patent: 6088307 (2000-07-01), Fushimi et al.
patent: 6167022 (2000-12-01), Ishida et al.
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patent: 6564009 (2003-05-01), Owa et al.
patent: 9-120854 (1997-05-01), None
patent: 9-219024 (1998-12-01), None
patent: 11-007660 (1999-01-01), None
patent: WO 98/54703 (1998-03-01), None

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