发明授权
- 专利标题： Electromagnetically driven shutter
- 专利标题（中）： 电磁驱动快门
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申请号： US308564申请日： 1981-10-05
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公开(公告)号： US4373797A公开(公告)日： 1983-02-15
- 发明人: Fumio Shimada , Yoji Sugiura
- 申请人： Fumio Shimada , Yoji Sugiura
- 申请人地址： JPX Tokyo JPX Saitama
- 专利权人： Canon Kabushiki Kaisha,Canon Denshi Kabushiki Kaisha
- 当前专利权人： Canon Kabushiki Kaisha,Canon Denshi Kabushiki Kaisha
- 当前专利权人地址： JPX Tokyo JPX Saitama
- 优先权： JPX55-143814[U] 19801008
- 主分类号： G03B9/36
- IPC分类号： G03B9/36 ; G03B9/18 ; G03B9/08 ; G03B9/40
摘要：
An electromagnetically driven shutter, wherein between the electromagnetic driving source and the shutter blade actuating member which receives the driving force from the driving source a play is provided in such a manner that after the electromagnetic driving source has run a certain determined distance the driving force is transmitted to the shutter blade actuating member so as to let the shutter blade start to run.
公开/授权文献
- US6121572A Fixture used for the heat sealing of foils using a plasma jet 公开/授权日：2000-09-19
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