发明名称 Lens drive controlling apparatus.
摘要 A lens drive controlling apparatus includes a zooming lens (102), a focusing lens (105) driven in follow-up relation to a movement of the zooming lens (102) on the basis of a predetermined characteristic, a speed sensor for detecting a driving speed of the zooming lens (102), and a control circuit (117) for determining a driving speed of the focusing lens (105) on the basis of a detection result provided by the speed sensor. <IMAGE>
申请公布号 EP0456234(A1) 申请公布日期 1991.11.13
申请号 EP19910107536 申请日期 1991.05.08
申请人 CANON KABUSHIKI KAISHA 发明人 HIRASAWA, MASAHIDE
分类号 G02B7/10 主分类号 G02B7/10
代理机构 代理人
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