发明名称 Shutter blades for camera
摘要 A plurality of shutter blades for a camera serving at the same time as the diaphragm blades consisting of colored plastics, so designed that when the opening for the light beam is covered with the shutter blades more than two shutter blades are overlapped over each other so as to shade the light opening. Further at the object side in the operation space of the shutter blades a plastic control member having an opening almost the same as or larger than the light opening is provided as a heat insulation member for the shutter blades.
申请公布号 US4319821(A) 申请公布日期 1982.03.16
申请号 US19800195659 申请日期 1980.10.09
申请人 CANON KABUSHIKI KAISHA 发明人 TEZUKA, NOBUO;HIROHATA, MICHIO
分类号 G03B9/00;G03B9/22;(IPC1-7):G03B9/06;G03B9/08;G03B9/02 主分类号 G03B9/00
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