发明名称 Electromagnetically driven focal plane shutter
摘要 A process for producing an electromagnetically driven focal plane shutter including the steps of assembling an electromagnetic drive source and transmission members in a drive unit and the shutter blade groups in a shutter blade unit, and then assembling these units in a final unit.
申请公布号 US4339190(A) 申请公布日期 1982.07.13
申请号 US19810223420 申请日期 1981.01.08
申请人 CANON KABUSHIKI KAISHA 发明人 SUGIURA, YOJI
分类号 G03B9/36;G03B9/08;G03B9/18;(IPC1-7):G03B9/36 主分类号 G03B9/36
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