发明名称 |
Counter circuit for a camera |
摘要 |
The present invention relates to a counter circuit for a camera in which an exposure information is converted into a number of pulses in accordance with the exposure information while a brush is moved sliding on conductor contacts, particularly to a counter circuit so designed that the influence of the pulses generated due to the chattering at the time of the contact of the brush with the conductor contacts upon the counter circuit is prevented.
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申请公布号 |
US4079387(A) |
申请公布日期 |
1978.03.14 |
申请号 |
US19760688760 |
申请日期 |
1976.05.21 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
KAWAMURA, MASAHARU;SAKURADA, NOBUAKI;ITO, TADASHI;MURAKAMI, HIROYASHU;ITO, FUMIO;SHINODA, NOBUHIKO |
分类号 |
G03B7/091;(IPC1-7):G03B17/00;G03B7/08 |
主分类号 |
G03B7/091 |
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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