INFORMATION CARRIER AND METHOD AND DEVICE FOR RECORDING DATA ONTO INFORMATION CARRIER AND/OR REPRODUCING DATA FROM INFORMATION CARRIER Russian patent published in 2007 - IPC G11B7/07

Abstract RU 2310242 C2

FIELD: optical information carriers.

SUBSTANCE: in accordance to the invention, on an information carrier having at least one information storage layer, data are recorded in form of protruding or sunken record elements, and tracking signal polarity information is recorded, related to protruding or sunken record elements. In a variant, tracking signal polarity information is recorded in BCA-area.

EFFECT: reduction of time required to receive information about polarity of tracking signal.

3 cl, 22 dwg

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RU 2 310 242 C2

Authors

Li Kiung-Geun

Kim Tae-Kiung

Otsuka Tatsukhiro

Khvang Vook-Jeon

Dates

2007-11-10—Published

2004-05-20—Filed