发明名称 Interchangeable lens and interchangeable lens system
摘要 Disclosed is an interchangeable lens system which comprises an interchangeable lens and a camera. The interchangeable lens includes a driving circuit controlled by data transmitted from the camera to the lens such that it displaces a controlled member of the lens, a detection circuit for detecting a displacement of the driving circuit, and a correction circuit for converting the output characteristics of the detection circuit into predetermined common characteristics. The camera includes a control circuit for driving the driving circuit in the interchangeable lens in response to the output of the detection circuit in the interchangeable lens.
申请公布号 US4959728(A) 申请公布日期 1990.09.25
申请号 US19890393644 申请日期 1989.08.14
申请人 CANON KABUSHIKI KAISHA 发明人 TAKAHASHI, KOJI;KOZUKI, SUSUMI;MOGI, HIROKAZU;KAWAHARA, HIDEO;ARAI, HIDEYUKI;SUZUKI, KATSUSHI;MABUCHI, TOSHIAKI;KOBAYASHI, TAKASHI
分类号 G02B15/04;H04N5/232 主分类号 G02B15/04
代理机构 代理人
主权项
地址