http://www.freshpatents.com/Optics--image-projectors-dtnewntc353.php USPTO Class 353 - Optics: image projectors en-us Tue, 18 Aug 2009 22:21:41 -0700 1000 Wednesday Thursday Friday Saturday Sunday 141 31 http://www.freshpatents.com/index.php?rss=true http://www.freshpatents.com/images/freshpatentsnav_rss.gif http://www.freshpatents.com/Image-display-apparatus-dt20090813ptan20090201468.php Tue, 18 Aug 2009 22:21:41 -0700 An image display apparatus includes a light source, a color separation unit configured to separate light from the light source into colored light beams, liquid crystal display devices each configured to modulate a corresponding one of the colored light beams in accordance with an image signal, light-shielding members each configured... http://www.freshpatents.com/Illumination-system-dt20090813ptan20090201469.php Tue, 18 Aug 2009 22:21:41 -0700 The present invention relates to an illumination system (10, 50) for a projection display device. The system comprises an integrator arrangement (14, 58) having at least one entrance aperture (16, 64), a light source (24, 54), and means (26, 56, 61) for directing light from the light source towards the... http://www.freshpatents.com/Projection-type-video-display-apparatus-dt20090813ptan20090201470.php Tue, 18 Aug 2009 22:21:41 -0700 A projection type video display apparatus having a projection lens opening (3) formed in the front end (1a) of the apparatus and a lend adjustment opening (5) formed in one end adjacent the front end, both openings protected against dust and external mechanical shocks. The projection type video display apparatus...