发明名称 Lens apparatus and image-pickup system
摘要 A lens apparatus, with which compatibility, regarding AF operations, to cameras of a variety of manufacturers can be established more easily, is disclosed. The lens apparatus includes a focus driver which drives a focus lens, a terminal which is a member for communication with the camera. Further, the apparatus includes a signal generating circuit into which an image-pickup signal output from the camera is input via the terminal, and which generates a focus driving signal for the focus driver based on the image-pickup signal. <IMAGE>
申请公布号 EP1401197(A3) 申请公布日期 2004.06.23
申请号 EP20030255531 申请日期 2003.09.04
申请人 CANON KABUSHIKI KAISHA 发明人 KIKUCHI, TAKAYUKI;TANAKA, ISAO
分类号 G03B13/36;G02B7/02;G02B7/04;G02B7/08;G02B7/28;G02B7/36;G03B17/14;H04N5/232 主分类号 G03B13/36
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