发明名称 |
OPTICAL RECORDING MEDIUM |
摘要 |
PURPOSE:To make possible the introduction of servo mechanism such as tracking, etc. even at the information recording and perform recording and reproduction of information at high density with a simple device by beforehand forming information tracks in a specific recording material in an unrecorded state. formation tracks in a specific recording material in an unrecorded state. |
申请公布号 |
JPS53109601(A) |
申请公布日期 |
1978.09.25 |
申请号 |
JP19770024213 |
申请日期 |
1977.03.04 |
申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
YOSHIDA TOMIO;NAKADA AKIFUMI;YAMASHITA TADAOKI;OOTA TAKEO |
分类号 |
G03G13/00;G02F1/19;G03C1/72;G03C5/56;G03G5/00;G11B7/24;G11C13/00 |
主分类号 |
G03G13/00 |
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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