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    • 4. 发明授权
    • Video projection apparatus
    • 视频投影仪
    • US5298986A
    • 1994-03-29
    • US013242
    • 1993-02-03
    • Mitsuru OwadaMizuho TajimaYoshitake Nagashima
    • Mitsuru OwadaMizuho TajimaYoshitake Nagashima
    • H04N9/31
    • H04N9/3105H04N9/3167
    • An apparatus receptive of illumination light from an illumination light source for providing a color image on a projection lens includes three displays responsive to a video signal for modulating incident lights to display respective component images, a first dichroic layer for separating the illumination light into a first component light and a first mixed light of different wavelength regions to give the first component light to one of the displays, a second dichroic layer for separating the mixed light into second and third component lights of different wavelength regions to give the second and third component lights to other two of the displays respectively, a third dichroic layer for synthesizing, out of the first, second and third information lights from the displays, the first and second information light, and a fourth dichroic layer for further synthesizing the light synthesized by the third dichroic layer with the third information light.
    • 接收来自用于在投影透镜上提供彩色图像的照明光源的照明光的装置包括响应于视频信号的三个显示器,用于调制入射光以显示各个分量图像;第一二向色层,用于将照明光分离成第一 分配光和不同波长区域的第一混合光,以向所述显示器中的一个提供第一分量光;第二二向色层,用于将所述混合光分离成不同波长区域的第二和第三分量光,以得到所述第二和第三分量光 分别到其他两个显示器,用于从显示器,第一和第二信息光以及第四二向色层中的第一,第二和第三信息光中合成出第三分色层,用于进一步合成由第三 二向色层与第三信息灯。
    • 5. 发明授权
    • Video projection apparatus
    • 视频投影仪
    • US4989076A
    • 1991-01-29
    • US147519
    • 1988-01-25
    • Mitsuru OwadaMizuho TajimaYoshitake Nagashima
    • Mitsuru OwadaMizuho TajimaYoshitake Nagashima
    • H04N9/31
    • H04N9/3105H04N9/3167
    • An apparatus for receiving the illumination light from an illumination light souce and for providing a color image on a projection lens includes three displays responsive to a video signal for modulating incident light to display respective component images. Also included are a first dichroic layer for separating the illumination light into a first light component and a first mixed light of different wavelengths to transmit the first light component to one of the displays, a second dichroic layer for separating the mixed light into second and third light component of different wavelengths to transmit the second and third light component to the other two of the displays, respectively, a third dichroic layer for combining the first and second information lights from the first two displays, and a fourth dichroic layer for further combining the information light combined by the third dichroic layer with a third information light from the third display.
    • 用于从照明光源接收照明光并用于在投影透镜上提供彩色图像的装置包括响应于视频信号的三个显示器,用于调制入射光以显示各个分量图像。 还包括用于将照明光分离成第一光分量和不同波长的第一混合光的第一二向色层,以将第一光分量透射到显示器之一,第二二向色层,用于将混合光分离成第二和第三 不同波长的光分量分别将第二和第三光分量传输到另外两个显示器,用于组合来自前两个显示器的第一和第二信息光的第三二向色层和用于进一步组合第二二向色层的第四二向色层 由第三分色层组合的信息光与来自第三显示器的第三信息光。