Patent classifications
G
PHYSICS
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G11
INFORMATION STORAGE
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G11B
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
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7/00
Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation; by modifying optical properties or the physical structure; , reproducing using an optical beam at lower power; by sensing optical properties; Record carriers therefor
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G11B7/007
Arrangement of the information on the record carrier, e.g. form of tracks; , actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
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G11B2007/00754
Track shape, e.g. address or synchronisation information in wobbled track or sidewall
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G11B2007/00754

OPTICAL INFORMATION RECORDING MEDIUM AND OPTICAL INFORMATION RECORDING MEDIUM REPRODUCING DEVICE
20170133050 · 2017-05-11 · ·

Provided is an optical information recording medium including: a continuously wobbling groove formed in advance by a CAV or a zone CAV. Information is allowed to be recorded on the groove and a land adjacent to the groove, address information is recorded by modulating the wobble, the address information includes a sync pattern indicating a position of the address information and address data, and the sync pattern includes a plurality of first wobble patterns and a second wobble pattern between the first wobble patterns, and at least part of intervals of the first wobble patterns are set to unequal intervals.