发明名称 OPTICAL APPARATUS
摘要 An optical apparatus having a recording mode that is switchable between motion picture recording and still picture recording includes an optical element, a motor that includes a rotor having a magnet, and a stator having a coil configured to provide a rotational force to the magnet, the motor being configured to drive the optical element, a position sensor configured to detect a position of the rotor of the motor, and a driving circuit configured to select, in accordance with the recording mode, first driving configured to switch an electrization to the coil in the motor in accordance with a determined time interval, or second driving configured to switch an electrization to the coil in the motor in accordance with an output of the position sensor.
申请公布号 US2012113283(A1) 申请公布日期 2012.05.10
申请号 US201113336744 申请日期 2011.12.23
申请人 KIYAMURA KOUSUKE;YASUDA HIROMU;AOSHIMA CHIKARA;CANON KABUSHIKI KAISHA 发明人 KIYAMURA KOUSUKE;YASUDA HIROMU;AOSHIMA CHIKARA
分类号 H04N5/225 主分类号 H04N5/225
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