发明名称 Image pickup lens, image pickup apparatus, and lens controlling method
摘要 An image pickup lens includes a controller and a manipulator position detector configured to detect a position of a manipulator configured to accept a manipulation used to move the lens. When the manipulation of the manipulator becomes valid and a difference between the position of the manipulator when the manipulation of the manipulator is invalid and the position of the manipulator when the manipulation of the manipulator is valid is equal or smaller than a threshold, the controller controls a movement of the lens from an initial position that is the position of the lens when the manipulation of the manipulator is invalid. When the manipulation of the manipulator becomes valid and the difference is larger than the threshold, the controller controls a movement of the lens from an initial position that is the position of the lens corresponding to the manipulator's position detected by the manipulator position detector.
申请公布号 US8755128(B2) 申请公布日期 2014.06.17
申请号 US201113051546 申请日期 2011.03.18
申请人 Canon Kabushiki Kaisha 发明人 Morimoto Yosuke
分类号 G02B15/14;H04N5/262;H04N5/232;G02B7/10 主分类号 G02B15/14
代理机构 Cowan, Liebowitz & Latman, P.C. 代理人 Cowan, Liebowitz & Latman, P.C.
主权项 1. An image pickup lens comprising: an optical system including a lens; a controller configured to control a movement of the lens in an optical axis direction; a lens position detector configured to detect a position of the lens; a manipulator configured to accept a manipulation used to move the lens; and a manipulator position detector configured to detect a position of the manipulator, wherein the controller has a manipulator valid mode of controlling the movement of the lens according to the position of the manipulator and a manipulator invalid mode of controlling the movement of the lens not according to the position of the manipulator, and wherein, in the manipulator valid mode, in a case that a difference between the position of the manipulator when the manipulator invalid mode was started and the position of the manipulator when the manipulator valid mode was started is equal to or smaller than a threshold, the controller is configured to set an initial position of the movement of the lens to the position of the lens detected by the lens position detector when the manipulator invalid mode was started to control the movement of the lens, and in a case that the difference is larger than the threshold, the controller is configured to set the initial position of the movement of the lens to the position of the lens which corresponds to the position of the manipulator detected by the manipulator position detector to control the movement of the lens.
地址 Tokyo JP