Recording medium, recording method, and computer program

Dynamic information storage or retrieval – Binary pulse train information signal – Format arrangement processing for auxiliary information

Reexamination Certificate

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C369S275300, C369S094000

Reexamination Certificate

active

07957245

ABSTRACT:
A recording medium (100) is provided with: a first recording layer (L0) and a second recording layer (L1) to record therein record information, and a control area (102, 118) in said recording layer and a control area in said second recording layer to record therein control information for controlling at least one of recording and reproduction of the record information, wherein a distance between an inner radius of the control area in the first recording layer and an outer radius of the control area in the second recording layer is larger than or equal to a first predetermined value.

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European Patent Office issued an European Search Report dated Jun. 4, 2009, Application No. 06 71 1655.8.

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