发明名称 Focus adjusting apparatus
摘要 A focus adjusting apparatus in which a functional equation representative of the imaging plane position accompanying the movement of an object to be photographed after a predetermined time is found from the result of the past focus detection, and the imaging plane position after the predetermined time is foreseen by means of the functional equation, whereby a lens is driven to the foreseen position.
申请公布号 US5012267(A) 申请公布日期 1991.04.30
申请号 US19900519251 申请日期 1990.05.02
申请人 CANON KABUSHIKI KAISHA 发明人 HIGASHIHARA, MASAKI
分类号 G02B7/28;G02B7/34;G03B13/36 主分类号 G02B7/28
代理机构 代理人
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