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2. 发明专利

JP2007141277A Optical disk recording medium, disk manufacturing method and recorder 审中-公开
标题翻译：光盘记录介质，磁盘制造方法和记录仪
公开(公告)号：JP2007141277A
公开(公告)日：2007-06-07
申请号：JP2005329237
申请日：2005-11-14
申请人： Sony Corp , Start Lab Inc , ソニー株式会社 , 株式会社スタート・ラボ
发明人： YAMAMOTO MASANOBU , KAWASE HIROSHI , KOBAYASHI SEIJI
IPC分类号： G11B7/007 , G11B7/24 , G11B7/26
CPC分类号： G11B7/24082 , G11B7/0053 , G11B20/00086 , G11B20/0021
摘要： PROBLEM TO BE SOLVED: To provide an optical disk recording medium which makes data recording by having a recording film with guide grooves formed, wherein information such as rotation control information and address information is stably recorded and reproduced without performing information recording using wobble so as not to be erroneously recognized to be a pirated disk by a drive unit with a pirated version determination mechanism. SOLUTION: The guide grooves are formed without meandering, their widths are periodically modulated, and data encrypted by marks formed on a recording film along the guide grooves is recorded. Since information recorded by periodical width modulation of the guide grooves is detected by using a bandpass filter, the rotation control information and the address information are stably reproduced. Since the guide grooves are formed without meandering, encrypted and recorded contents are reproduced even in a drive unit with a pirated version determination mechanism like a ROM disk. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决的问题：提供一种光盘记录介质，其通过形成具有导槽的记录膜来进行数据记录，其中诸如旋转控制信息和地址信息的信息被稳定地记录和再现，而不使用摆动进行信息记录以便通过具有盗版版本确定机构的驱动单元不被错误地识别为盗版盘。解决方案：引导槽形成为没有曲折，其宽度被周期性地调制，并且记录沿着引导槽形成在记录膜上的标记加密的数据。由于通过使用带通滤波器来检测引导槽的周期宽度调制记录的信息，因此能够稳定地再现旋转控制信息和地址信息。由于在没有曲折的情况下形成引导槽，即使在具有诸如ROM盘的盗版版本确定机构的驱动单元中，再现加密和记录的内容。版权所有（C）2007，JPO＆INPIT

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