发明名称 Electromagnetic release device for camera
摘要 An electromagnetic shutter release device is described. The device includes an attracting spring coupled to the release operation initiating member to hold the armature. And at once when the biasing force of the retracting spring is lost in the course of the shutter releasing action, the armature is reset on the core quickly.
申请公布号 US4313661(A) 申请公布日期 1982.02.02
申请号 US19800122843 申请日期 1980.02.20
申请人 CANON KABUSHIKI KAISHA 发明人 YAMAMICHI, MASAYOSHI
分类号 G03B9/08;G03B17/38;G03B19/12;(IPC1-7):G03B9/08 主分类号 G03B9/08
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