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    • 9. 发明授权
    • Video projector with monitor screen
    • 带显示屏的视频投影机
    • US5396301A
    • 1995-03-07
    • US8621
    • 1993-01-25
    • Hidemi SasakiShinji SuzukiTakao Ina
    • Hidemi SasakiShinji SuzukiTakao Ina
    • G03B21/10H04N5/74H04N5/64
    • H04N5/7441H04N9/3141
    • A video projector with a monitor screen that can be used both as an ordinary video projector and as a monitor allowing images to be viewed even in bright surroundings. The apparatus has a case on which a monitor screen is disposed, elements disposed in the interior of the case that is, a projection lens, a liquid-crystal panel for displaying an image on the basis of a video signal and a lamp, a lens cover disposed movable relative to the case so as to open and close a surface in front of the projection lens, and an optical system including a reflecting mirror capable of, in an interlocked relationship with the movement of the lens cover, advancing into and retracting from the optical axis of the projection lens, at least the reflecting mirror guiding image light to the back surface of the monitor screen. The monitor screen is disposed on a side surface of the case, and the optical system comprises two stationary reflecting mirrors as well as the one movable reflecting mirror, which mirrors serve to guide image light to the back surface of the monitor screen provided on that side surface.
    • 具有监视器屏幕的视频投影仪,可以用作普通的视频投影仪和监视器,允许在明亮的环境中观看图像。 该装置具有设置有监视器屏幕的壳体,设置在壳体内部的元件,即投影透镜,用于基于视频信号和灯显示图像的液晶面板,透镜 相对于壳体可移动的盖,以便打开和关闭投影透镜前面的表面;以及光学系统,其包括反射镜,该反射镜能够与透镜盖的运动互相关联地进入和缩回 投影透镜的光轴,至少反射镜将图像引导到监视器屏幕的后表面。 监视器屏幕设置在壳体的侧表面上,并且光学系统包括两个静止反射镜以及一个可移动反射镜,该反射镜用于将图像光引导到设置在该侧的监视器屏幕的背面 表面。