发明名称 Camera system
摘要 A camera system has an interchangeable lens releasably attached to a camera body, an information processing portion provided in the camera body, and another information processing portion provided in the interchangeable lens. The information processing portion of the interchangeable lens discriminates the attachment of photographic supplementary means and communicates with the information processing portion in the camera body to set a photographic condition.
申请公布号 US4912494(A) 申请公布日期 1990.03.27
申请号 US19890353143 申请日期 1989.05.02
申请人 CANON KABUSHIKI KAISHA 发明人 TANAKA, TSUNEFUMI;OHARA, TSUNEMASA;CHIGIRA, TATSUO
分类号 G03B13/36;G02B7/09;G02B7/28;G02B7/36;G03B17/14 主分类号 G03B13/36
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