发明授权
US4479144A Video projecting apparatus 失效
视频投影仪

Video projecting apparatus
摘要:
A video projecting apparatus comprises a housing-like chassis which encases projecting lenses and cathode-ray tubes and is provided with a front portion having a movable reflecting mirror. With this video projecting apparatus, the reflecting mirror can be moved to an extended position for projection onto a screen and a contracted position in a front portion of the chassis by a driving mechanism attached to the reflecting mirror.
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