Apparatus and method for accurately converting groove/land...

Dynamic information storage or retrieval – Control of storage or retrieval operation by a control... – Control of information signal processing channel

Reexamination Certificate

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C369S044260, C369S053200, C369S030130, C369S053370

Reexamination Certificate

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07613087

ABSTRACT:
The present invention discloses an apparatus and method for accurately converting a groove/land polarity upon a groove/land track change on an optical medium, by way of initially deciding a reference groove/land changing point or a decoded PID of any one specific sector formed on the optical medium. By counting a specific number of sectors from the reference groove/land changing point or the specific sector, a subsequent groove/land changing point will easily be approached for converting the groove/land polarity, and even the other oncoming track changing points on the optical medium also can be determined.

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