发明名称 DIAPHRAGM DEVICE FOR A CAMERA
摘要 In the disclosed diaphragm assembly, a diaphragm control ring that moves to open and close the diaphragm blades, forms several cam grooves. Each groove is capable of receiving an indicator extension. In this way the diaphragm assembly is adapted to operate with various types of cameras having different diaphragm indicator mechanisms. Each groove engages the mechanism which extends toward that groove.
申请公布号 US3732797(A) 申请公布日期 1973.05.15
申请号 USD3732797 申请日期 1970.12.31
申请人 CANON KK,JA 发明人 TAKIGAWA T,JA
分类号 G03B9/07;G03B9/08;(IPC1-7):G03B9/02 主分类号 G03B9/07
代理机构 代理人
主权项
地址