发明授权
- 专利标题: Camera, lens driving method, and lens driving program
- 专利标题(中): 相机,镜头驱动方法和镜头驱动程序
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申请号: US11314911申请日: 2005-12-21
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公开(公告)号: US07539406B2公开(公告)日: 2009-05-26
- 发明人: Hidetoshi Sumi
- 申请人: Hidetoshi Sumi
- 申请人地址: JP Tokyo
- 专利权人: Casio Computer Co., Ltd.
- 当前专利权人: Casio Computer Co., Ltd.
- 当前专利权人地址: JP Tokyo
- 代理机构: Frishauf, Holtz, Goodman & Chick, P.C.
- 优先权: JP2004-378274 20041227
- 主分类号: G03B17/00
- IPC分类号: G03B17/00 ; G02B15/14
摘要:
A camera is provided with a first stepping motor configured to move a zoom lens, second stepping motor configured to move a focus lens, first determination section configured to determine timings at which the zoom lens or the focus lens is started, second determination section configured to determine whether or not the zoom lens and the focus lens are to be simultaneously moved, by checking the timings the first determination section determines, timing setting section configured to synchronize output timings of excitation signals output to the first and second stepping motors, where the second determination section determines that the zoom lens and the focus lens are to be simultaneously moved, and an output section configured to output excitation signals to the first and second stepping motors in accordance with the output timings the timing setting section synchronizes.
公开/授权文献
- US20060140607A1 Camera, lens driving method, and lens driving program 公开/授权日:2006-06-29
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