| 发明名称 |
OPTICAL REPRODUCER |
| 摘要 |
PURPOSE:To make possible reproduction and spacing detection with one light beam by providing a spacing controller which controls the spacing between a recording medium and a condensing lens based on the spacing information signal obtainable from a spacing detection circuit. |
| 申请公布号 |
JPS53100203(A) |
申请公布日期 |
1978.09.01 |
| 申请号 |
JP19770015185 |
申请日期 |
1977.02.15 |
| 申请人 |
MITSUBISHI ELECTRIC CORP;TEAC CORP |
发明人 |
KONDOU MITSUSHIGE;NAGAI TADAO;UEHARA MASAO |
| 分类号 |
H04N5/85;G02B7/28;G02B7/36;G11B7/08;G11B7/09;H04N5/84 |
主分类号 |
H04N5/85 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
