发明名称 |
Photographic taking lens driving means |
摘要 |
The invention describes a taking lens driving system using permanent magnets provided inside of the lens barrel. A plurality of movable coils surrond the circumference of the taking lens and are arranged so as to transverse the magnetic flux of the permanent magnets. At least one of the movable coil members drives the taking lens unit, while the other coils are used to the range of movement of the movable coil member.
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申请公布号 |
US4519691(A) |
申请公布日期 |
1985.05.28 |
申请号 |
US19840585768 |
申请日期 |
1984.03.02 |
申请人 |
KONISHIROKU PHOTO INDUSTRY CO., LTD. |
发明人 |
YAMADA, MINORU;ITO, EIJI;NAGAI, MASARU |
分类号 |
G02B7/08;(IPC1-7):G03B3/10 |
主分类号 |
G02B7/08 |
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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