发明名称 IMAGING APPARATUS HAVING UNIT FOR REMOVING FOREIGN SUBSTANCE
摘要 An imaging apparatus includes an image sensor configured to convert an optical image of a subject into an electric signal, an optical member provided on an imaging optical axis in front of the image sensor, a vibrating device configured to vibrate the optical member, a status acquiring unit configured to acquire a status inside the imaging apparatus, and a control unit configured to control the vibrating device to vibrate the optical member at each of frequency steps into which a predetermined frequency band is divided and to change at least one of the frequency band, a number of frequency steps into which the frequency band is divided, and a time per frequency step based on the status acquired by the status acquiring unit.
申请公布号 US2009002541(A1) 申请公布日期 2009.01.01
申请号 US20080130426 申请日期 2008.05.30
申请人 CANON KABUSHIKI KAISHA 发明人 NIWAMAE YUUKI
分类号 H04N5/225 主分类号 H04N5/225
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