发明名称 |
RENZUKYOTOOYOBISHIBORISHATSUTANOKUDOSOCHI |
摘要 |
A drive device for a lens barrel and a diaphragm shutter is disclosed. The drive device of this invention comprises a stepping motor including a stator and rotors. The stator is constituted by a plurality of stator members disposed around a lens barrel, each having a bifurcate portion around which a conductor is wound, and the bifurcate portions are disposed in face-to-face relationship with each other with a predetermined space being interposed therebetween. The rotors are respectively disposed in the predetermined spaces. The driving forces of the rotors are independently transmitted at least to the lens barrel including a photographic lens element and to a diaphragm shutter. |
申请公布号 |
JPH0664281(B2) |
申请公布日期 |
1994.08.22 |
申请号 |
JP19850271871 |
申请日期 |
1985.12.03 |
申请人 |
WEST ELECTRIC CO |
发明人 |
YOSHINO TSUNEMI;ISHIKAWA KATSUJI;MITSUI HAJIME |
分类号 |
G03B3/10;G02B7/08;G02B7/28;G03B3/02;G03B9/02;G03B9/07;G03B9/08;G03B9/10;G03B9/24;G03B13/34;(IPC1-7):G03B9/24 |
主分类号 |
G03B3/10 |
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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