发明名称 |
Optical disk having pattern displayed thereon and apparatus for manufacturing same |
摘要 |
An optical disk in which a pattern such as a character that can be recognized is displayed in an information recording area by display pits or grooves formed between recording tracks constructed by pit trains indicative of information signals. An apparatus for manufacturing the optical disk in which information and display modulation light beams obtained by modulating a light beam in accordance with pattern signals for information and display, respectively, are separated from each other in the disk radial direction and are simultaneously irradiated to a resist layer formed on a recording surface of a disk. |
申请公布号 |
US5751690(A) |
申请公布日期 |
1998.05.12 |
申请号 |
US19970889177 |
申请日期 |
1997.07.07 |
申请人 |
PIONEER VIDEO CORPORATION;PIONEER ELECTRONIC CORPORATION |
发明人 |
OHIRA, HIROYUKI;YAMAOKA, NOBUKI;MURAKAMI, YUTAKA |
分类号 |
G11B7/007;G11B7/24;G11B7/26;(IPC1-7):G06K19/06 |
主分类号 |
G11B7/007 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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