发明名称 |
DRIVE METHOD FOR SCANNING MIRROR OF AUTOMATIC FOCUS DEVICE |
摘要 |
PURPOSE:To assure the stable operation of focus module and enhance the accuracy of automatic focus control by slowing down the scanning speed of a scanning mirror in accordance with the low brightness of an object to be photographed so as to make the response time of a photoelectric element small. |
申请公布号 |
JPS5436928(A) |
申请公布日期 |
1979.03.19 |
申请号 |
JP19770102731 |
申请日期 |
1977.08.29 |
申请人 |
FUJI PHOTO OPTICAL CO LTD |
发明人 |
MUNAKATA HIDEYA |
分类号 |
G03B13/36;G02B7/30;G03B3/00 |
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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