| 发明名称 |
HIGHLY DENSED RECORDING SIGNALS REPRODUCTION DEVICE |
| 摘要 |
PURPOSE:To make the tracking gain of optical beam for tracking the largest by controlling diffraction grating rotating angle with optical beam output for signal recording and tracking in an optical video disk, etc. |
| 申请公布号 |
JPS52145005(A) |
申请公布日期 |
1977.12.02 |
| 申请号 |
JP19760062061 |
申请日期 |
1976.05.27 |
| 申请人 |
MITSUBISHI ELECTRIC CORP |
发明人 |
UETAKE KATSUTO;HIRASAWA KAZUO |
| 分类号 |
H04N5/85;G02B27/00;G11B7/09;G11B19/12 |
主分类号 |
H04N5/85 |
| 代理机构 |
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代理人 |
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| 地址 |
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