| 发明名称 |
SOFT FOCUS BY MAKING USE OF LIQUID CRYSTAL |
| 摘要 |
PURPOSE:To give vignette to an object to be photographed irrespective of photographying at a desired time by connecting in parallel two always-open switches which closes the voltage application circuit for the liquid crystal due to the operation of a shutter release and also to any desired operation. |
| 申请公布号 |
JPS5279923(A) |
申请公布日期 |
1977.07.05 |
| 申请号 |
JP19750158179 |
申请日期 |
1975.12.25 |
| 申请人 |
MINOLTA CAMERA KK |
发明人 |
UESUGI KIYOUZOU;SAKATA SHIGEYOSHI |
| 分类号 |
G03B13/36;G02B7/28;G02F1/13;G03B13/02;G03B15/00 |
主分类号 |
G03B13/36 |
| 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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