| 发明名称 |
OPTICAL RECORDING AND REPRODUCTION DEVICE |
| 摘要 |
PURPOSE:To prevent uninternational false recording and false erasing by feeding light of the intensity conforming to the operation modes such as recording and reproducing and detecting the rotating speed of recording materials thereby controlling the light radiation to the recording materials. |
| 申请公布号 |
JPS5267303(A) |
申请公布日期 |
1977.06.03 |
| 申请号 |
JP19750143636 |
申请日期 |
1975.12.01 |
| 申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
YOSHIDA TOMIO;NAKADA AKIFUMI;TSUJI SHIROU;OKAMURA HIDEO;FUKUSHIMA YASUHISA |
| 分类号 |
G06K7/10;G11B7/125 |
主分类号 |
G06K7/10 |
| 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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