OPTICAL INFORMATION-CARRYING MEDIUM Russian patent published in 2006 - IPC G11B7/07 

Abstract RU 2287862 C2

FIELD: optical information-carrying mediums.

SUBSTANCE: optical information-carrying medium consist of lead-in zone, lead-out zone and user data zone between lead-in and lead-out zones which carries user data. Pits are formed in lead-in zone, in user data zone and lead-out zone. Track pitch in all lead-in zone or its part differs from track pitch in all other zones of optical information-carrying medium. Because of reduced tracking errors and reduced cross-talk the playback of important information reliability is increased.

EFFECT: increased reliability which ensures recording and/or playback effectiveness.

31 cl, 5 dwg

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RU 2 287 862 C2

Authors

Li Kiung-Geun

Park In-Sik

Chung Chong-Sam

Joon Du-Seop

Park Chang-Min

Dates

2006-11-20Published

2003-09-02Filed