发明名称 AUTOMATIC FOCUSING DEVICE, CONTROL METHOD THEREFOR, AND IMAGING APPARATUS
摘要 <P>PROBLEM TO BE SOLVED: To prevent decrease in the followability to a subject even in the case where the distance between the apparatus and the subject does not change when a focus lens is focused on the subject by continuously adjusting the position of the focus lens. <P>SOLUTION: During an operation in an operating mode in which a focus lens 104 is focused on a subject by continuously adjusting the position of the focus lens 104 under the control of a control part 115, the imaging apparatus 1 detects whether the distance between the subject and the apparatus has changed or not. If any change in the distance between the subject and the apparatus is not detected, the drive of the focus lens 104 is stopped. <P>COPYRIGHT: (C)2013,JPO&INPIT
申请公布号 JP2013057960(A) 申请公布日期 2013.03.28
申请号 JP20120244803 申请日期 2012.11.06
申请人 CANON INC 发明人 UENISHI MASAAKI
分类号 G02B7/28;G02B7/36;G03B13/36;H04N5/232 主分类号 G02B7/28
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