DEVICE AND METHOD TO REPRODUCE DATA FROM READ-ONLY MACHINE-READABLE MEDIUM Russian patent published in 2013 - IPC G11B7/07

Abstract RU 2473141 C2

FIELD: information technologies.

SUBSTANCE: in the method disk identification information is read, recorded in the area preceding a zero path. Disk identification information is generated as a physical mark by type of grooves - arranged in a corrugate manner or straight. The physical mark is generated according to a modulated unique configuration.

EFFECT: prevention of reproduction of illegally copied data.

8 cl, 9 dwg

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RU 2 473 141 C2

Authors

Kim Dzhin En

Su San Vun

Dates

2013-01-20—Published

2003-07-01—Filed