发明名称 LIGHT QUANTITY ADJUSTING DEVICE AND IMAGING APPARATUS
摘要 PROBLEM TO BE SOLVED: To provide a light quantity adjusting device which accurately performs reset operation even if phases are shifted when attaching a stepping motor for driving a light quantity adjusting member, and also to provide an imaging apparatus. SOLUTION: After performing excitation to a predetermined phase different from a reset position first, the excitation is performed to the phase of the reset position further. COPYRIGHT: (C)2007,JPO&INPIT
申请公布号 JP2007033657(A) 申请公布日期 2007.02.08
申请号 JP20050214531 申请日期 2005.07.25
申请人 CANON INC 发明人 UEYAMA TERUHIKO
分类号 G03B9/02;H02P8/08 主分类号 G03B9/02
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