发明名称 Lens device and photographing apparatus including the same
摘要 In a lens device, when a lens is subjected to speed control and when initialization in which an absolute position of the lens is initialized after a power supply is turned on is completed, the lens is returned to a position before the lens is initialized.
申请公布号 US7265914(B2) 申请公布日期 2007.09.04
申请号 US20050092306 申请日期 2005.03.29
申请人 CANON KABUSHIKI KAISHA 发明人 HIRAI KEISUKE
分类号 G02B15/14;G02B7/10;H04N5/232 主分类号 G02B15/14
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