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    • 3. 发明申请
    • PROJECTION DEVICE FOR PROJECTING AN IMAGE ONTO A PROJECTION SURFACE, AND A PROJECTION UNIT FOR COUPLING TO A PROJECTOR
    • 投影装置,用于将图像投影到投影及投影单元链接至投影机
    • WO0217018A2
    • 2002-02-28
    • PCT/EP0109814
    • 2001-08-24
    • ZEISS CARL JENA GMBHMUEHLHOFF DIRKKNUPFER KLAUSBAUMANN OLIVERSPRUCK BERND
    • MUEHLHOFF DIRKKNUPFER KLAUSBAUMANN OLIVERSPRUCK BERND
    • G03B21/20G03B21/26G03B21/28G03B21/00
    • G03B21/26G03B21/2066
    • The invention relates to a projection device for projecting an image onto a projection surface. Said device comprises a light source (26); a film gate (2) for holding a positive image recorded on a carrier medium, said gate being arranged downstream from the light source; and a projection lens (3) for projecting an illuminated positive image. The inventive device also comprises a control unit (25); a light modulator (10) which can be controlled by said unit and which is used to produce an additional image based on predetermined image data; an optical device (11) for projecting the additional image onto the projection surface (34), said optical device being arranged downstream from the light modulator; and a beam splitter (6) which is arranged between the light source (26) and the film gate (2). Said beam splitter splits the light from the light source (26) into a first partial beam directed onto the film gate (2) in order to illuminate the positive image, and a second partial beam by means of which the light modulator (10) can be operated. A projection device is thus implemented which can project additional images, e.g. sub-titles, as well as the illuminated positive image.
    • 在用于支撑记录载体介质正面图像和用于投影透照正面图像的投影光学系统(3)上的图像的图像投影到投影表面上,包括:光源(26),这些下游膜阶段(2)中的一个的突出结构是一个 驱动单元(25)的手段,所述可控光调制器(10),用于产生预定的图象数据的辅助图象的基础上,接着是用于辅助图像投影到所述投影(34)的光学装置(11),和所述光源(26)之间和 布置在膜级(2),分束器(6)设置,从光源(26)分成第一部分光束的光被引导到膜级(2)用于正图像的照明和第二部分光束,利用该 光调制器(10)是在加载,分裂。 这提供了一种投影装置,其中,除了反式照明正图像甚至附加图像等。 作为字幕可以投射。