| 发明名称 |
AUTOMATIC FOCUSING DEVICE |
| 摘要 |
PURPOSE:To perform continuous focusing with faithful follow-up by controlling the focusing on the basis of measured signal distribution of three pictures in one horizontal scanning period of TV. |
| 申请公布号 |
JPS52104245(A) |
申请公布日期 |
1977.09.01 |
| 申请号 |
JP19760020006 |
申请日期 |
1976.02.27 |
| 申请人 |
HITACHI LTD |
发明人 |
SHIMADA TAMOTSU;SUZUKI RIYUUICHI;YAMAMOTO SHINJI |
| 分类号 |
G03B13/36;G02B7/38;G03B3/00 |
主分类号 |
G03B13/36 |
| 代理机构 |
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代理人 |
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| 地址 |
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