发明名称 OPTICALLY READABLE RECORD CARRIER AND READER
摘要 A record carrier is described in which information is recorded in an optically readable information structure comprising trackwise arranged information areas; as well as an apparatus for reading said record carrier. By arranging the adjacent information track portions on different slopes the track spacing can be reduced without increasing crosstalk.
申请公布号 AU534699(B2) 申请公布日期 1984.02.09
申请号 AU19800062707 申请日期 1980.09.25
申请人 PHILIPS: GLOEILAMPENFABRIEKEN, N.V. 发明人 JAN GERARD DIL
分类号 G11B7/00;G11B7/004;G11B7/005;G11B7/007;G11B7/013;G11B7/09;G11B7/12;G11B7/135;G11B7/24;(IPC1-7):G06K7/14 主分类号 G11B7/00
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