| 发明名称 |
SPACING DETECTOR OF OPTICAL RECORDER*REPRODUCER |
| 摘要 |
PURPOSE:The changes in the spacing between a recording medium and a condensing lens for recording and reproducing reflection light beam obtainable through reflection at the recording medium. |
| 申请公布号 |
JPS5315105(A) |
申请公布日期 |
1978.02.10 |
| 申请号 |
JP19760089547 |
申请日期 |
1976.07.27 |
| 申请人 |
MITSUBISHI ELECTRIC CORP;TEAC CORP |
发明人 |
OKADA KAZUO;KONDOU MITSUSHIGE;NAGAI TADAO |
| 分类号 |
G02B7/28;G11B7/08;G11B7/09 |
主分类号 |
G02B7/28 |
| 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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