发明名称 |
LENS DRIVING DEVICE |
摘要 |
A device for driving a lens including one or more lens groups displaceable in a direction along the optical axis by an electric drive unit. A memory unit is provided for storing a position of the lens group, and a controller for displacing one or more lens groups to the position stored in the memory unit by the electric drive unit.
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申请公布号 |
US5150144(A) |
申请公布日期 |
1992.09.22 |
申请号 |
US19910655345 |
申请日期 |
1991.02.14 |
申请人 |
ASAHI KOGAKU KOGYO KABUSHIKI KAISHA |
发明人 |
SOSHI, ISAO;TAKEBAYASHI, TATSUHIDE |
分类号 |
A46B5/00;A46B9/02;G02B7/08;G02B7/10;G03B5/00 |
主分类号 |
A46B5/00 |
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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