发明名称 Optical apparatus
摘要 An optical apparatus ensuring smooth driving control of an optical member is disclosed. The optical apparatus includes an optical member, a stepping motor configured to drive the optical member, a driving commander configured to generate driving pulses supplied to the stepping motor, a pulse count generator configured to count the driving pulses output from the driving commander, a position detector configured to detect a position of the optical member, and a pulse count presetter configured to replace, based on an output of the pulse count presetter and an output of the position detector, a pulse count output from the pulse count presetter with a pulse count corresponding to the output of the position detector.
申请公布号 US8222854(B2) 申请公布日期 2012.07.17
申请号 US20090403741 申请日期 2009.03.13
申请人 KIKUCHI TAKAYUKI;CANON KABUSHIKI KAISHA 发明人 KIKUCHI TAKAYUKI
分类号 G05B19/40;G05B11/00 主分类号 G05B19/40
代理机构 代理人
主权项
地址