发明名称 Camera system
摘要 A camera system includes a camera body and a lens in which a motor circuit and an electric circuit are arranged and are supplied with electric power from a power source in the camera body. Ground contact terminals for the motor circuit and the electric circuit are separately arranged in the lens, and the motor circuit and the electric circuit are electrically connected to the power source negative terminal through the separate ground contact terminals.
申请公布号 US6183145(B1) 申请公布日期 2001.02.06
申请号 US19900607147 申请日期 1990.10.31
申请人 CANON KABUSHIKI KAISHA 发明人 AIHARA YOSHIHIKO;YAMAMICHI MASAYOSHI;FUJINO MASAHISA
分类号 G03B17/14;(IPC1-7):C03B7/00 主分类号 G03B17/14
代理机构 代理人
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