发明名称 |
Motor drive device |
摘要 |
In the disclosed system a camera includes an electro-magnetic release circuit which when operated starts an exposure. A motor-drive includes a drive circuit for winding and rewinding film. The electro-magnetic release circuit is disabled during the film rewind operation to prevent the effect of accidental release.
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申请公布号 |
US4458999(A) |
申请公布日期 |
1984.07.10 |
申请号 |
US19820382243 |
申请日期 |
1982.05.26 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
MASHIMO, YUKIO;IWASHITA, TOMONORI |
分类号 |
G03B17/00;G03B17/38;G03B17/42;(IPC1-7):G03B1/18 |
主分类号 |
G03B17/00 |
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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