发明名称 Focus adjusting apparatus and focus adjusting method
摘要 An apparatus, such as a focus adjusting apparatus, includes a focus adjusting system, a driving device which drives the focus adjusting system from one of a state in which a near-distance object is in focus and a state in which a far-distance object is in focus to the other, and a control device which repeatedly performs determination of a focusing state of the focus adjusting system while causing the driving device to drive the focus adjusting system, and, if the focus adjusting system has been driven in one direction until the number of times of the determination repeatedly performed reaches a predetermined number of times, restrains the focus adjusting system from being driven in the one direction, so that a focus adjusting operation can be appropriately performed.
申请公布号 US7630013(B2) 申请公布日期 2009.12.08
申请号 US20050215690 申请日期 2005.08.30
申请人 CANON KABUSHIKI KAISHA 发明人 YASUDA HITOSHI
分类号 H04N5/232 主分类号 H04N5/232
代理机构 代理人
主权项
地址