发明授权
US06785220B2 Optical recording medium having mark and space portions based on frequency band of RF signal
有权
具有基于RF信号的频带的标记和空间部分的光学记录介质
- 专利标题： Optical recording medium having mark and space portions based on frequency band of RF signal
- 专利标题（中）： 具有基于RF信号的频带的标记和空间部分的光学记录介质
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申请号： US10347225申请日： 2003-01-21
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公开(公告)号： US06785220B2公开(公告)日： 2004-08-31
- 发明人: Eiji Muramatsu , Toshio Suzuki , Masahiro Kato , Shoji Taniguchi
- 申请人： Eiji Muramatsu , Toshio Suzuki , Masahiro Kato , Shoji Taniguchi
- 优先权： JP11-181572 19990628
- 主分类号： G11B724
- IPC分类号： G11B724
摘要：
A recording medium includes a lead-in area which includes a control data area and an information data area in which information data is to be recorded. In this recording medium, a groove track in the control data area is divided into a plurality of mark portions and space portions based on a frequency band of a recording RF signal.
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