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    • 4. 发明授权
    • Auto focus projector with short focus adjustment time
    • 自动对焦投影机,调焦时间短
    • US07559658B2
    • 2009-07-14
    • US11322285
    • 2006-01-03
    • Yasutaka KamiyaShiki Furui
    • Yasutaka KamiyaShiki Furui
    • G03B3/00G03B21/14
    • H04N9/3194G03B3/10G03B21/142G03B21/26
    • A projector comprising a light modulating device which modulates light beams emitted from a light source, according to image information, to form an optical image; a projection optical device, the projection optical device including a projection lens, which has a plurality of lenses, that enlarges and projects the optical image onto the screen; a focal position changing unit, to perform focus adjustment on the image; a setting input unit through which automatic adjustment information for changing the focal position to an in-focus position where the projected image is in an in-focus state is input; and a focus adjustment control unit which controls the focal position changing unit until the projected image is in the in-focus state.
    • 一种投影仪,包括根据图像信息调制从光源发射的光束的光调制装置,以形成光学图像; 投影光学装置,投影光学装置包括具有多个透镜的投影透镜,其将光学图像放大并投影到屏幕上; 焦点位置改变单元,用于对图像执行焦点调节; 输入用于将焦点位置改变为投影图像处于对焦状态的对焦位置的自动调整信息的设置输入单元; 以及焦点调节控制单元,其控制焦点位置改变单元,直到投影图像处于对焦状态。
    • 5. 发明申请
    • Projector
    • 投影机
    • US20060170877A1
    • 2006-08-03
    • US11322285
    • 2006-01-03
    • Yasutaka KamiyaShiki Furui
    • Yasutaka KamiyaShiki Furui
    • G03B21/14
    • H04N9/3194G03B3/10G03B21/142G03B21/26
    • A projector including a light modulating device which modulates light beams emitted from a light source according to image information to form an optical image, a projection optical device, the projection optical device including a projection lens which has a plurality of lenses and enlarges and projects the optical image onto the screen, a focal position changing unit, to perform focus adjustment on the image, a setting input unit through which automatic adjustment information for changing the focal position to an in-focus position where the projected image is in an in-focus state is input, and a focus adjustment control unit which controls the focal position changing unit until the projected image is in the in-focus state.
    • 一种投影仪,包括根据图像信息调制从光源发出的光束以形成光学图像的光调制装置,投影光学装置,所述投影光学装置包括具有多个透镜的投影透镜,并放大并投影 光学图像到屏幕上,焦点位置改变单元,以对图像执行焦点调节;设置输入单元,通过该设置输入单元将焦点位置的自动调整信息改变为投影图像处于对焦的对焦位置 状态被输入,以及焦点调节控制单元,其控制焦点位置改变单元,直到投影图像处于对焦状态。