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    • 1. 发明公开
    • 프로젝션 디바이스
    • 投影设备
    • KR1020060052809A
    • 2006-05-19
    • KR1020067000771
    • 2004-07-07
    • 코닌클리케 필립스 엔.브이.
    • 빌렘센,오스카,하.
    • H04N5/74G03B21/00
    • H04M1/0272G02B3/14G02B13/001G02B26/004H04N9/3129
    • A projection device, comprising means (4a, 4b, 5, 6) for directing a plurality of light beams (3a, 3b, 3c) onto a scanning device (13), adapted to scan said beams in order to project an image on a surface. The device has an adjustable lens arranged in the optical path of said beams after said scanner so that the scanner is located between the lens and its focal length. Through this arrangement, the adjustable lens will enable a reduction of the angular spread of the projection, without reducing the resolution of the displayed image. This, in turn, enables a projection of an image at a desired distance, while such a size is maintained that the available light intensity is sufficient.
    • 一种投影装置,包括用于将多个光束(3a,3b,3c)引导到扫描装置(13)上的装置(4a,4b,5,6),适于扫描所述光束以将图像投影在 表面。 该装置具有布置在所述扫描器之后的所述光束的光路中的可调节透镜,使得扫描仪位于透镜和其焦距之间。 通过这种布置,可调透镜将能够减小投影的角度扩展,而不会降低显示图像的分辨率。 这又可以使图像以期望的距离投射,而这样的尺寸被保持为可用的光强度足够。