| 发明名称 |
HIGHLY DENSED RECORDING SIGNALS REPRODUCTION DEVICE |
| 摘要 |
PURPOSE:To make the position of an optical spot optimal by providing servo system controlling te rotating angle of a diffraction grating, together with, making the adjustment of the servo system. |
| 申请公布号 |
JPS52145006(A) |
申请公布日期 |
1977.12.02 |
| 申请号 |
JP19760062062 |
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 |
主分类号 |
H04N5/85 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
