发明名称 3D photographic printer using a digital micro-mirror device for exposure
摘要 The filmless method and printer for making 3D and animation pictures using a digital reflection-type matrix display device such as a digital micro-mirror device to sequentially display a plurality of 2D views, a light source to illuminate the display device to produce a reflected beam, and a projection lens to form an image from the reflected beam and expose it on a lenticular print material. To fill the image area underlying each lenticule on the print material, each 2D view is projected at a different angle. Two methods can be used: 1) In the scanning method, two of the three elements including the display device, the projection lens and the print material are moved to different positions to change the projection angle; 2) In the non-scanning method, the projection lens has a large aperture sufficient for covering the total viewing angle of the lenticules. To change the projection angle, the aperture of the projection lens is partitioned into a plurality of sections so that the image of each 2D view is exposed on the print material through a different aperture section. Preferably, with the non-scanning method, the image displayed on the display device is enlarged and formed on a diffuse screen and the image so formed is then exposed on the print material by the projection lens. The 2D views for making the 3D pictures can be electronically aligned before they are displayed on the display device. Thus, the key subject alignment process during printing is eliminated.
申请公布号 US5801812(A) 申请公布日期 1998.09.01
申请号 US19970843677 申请日期 1997.04.10
申请人 IMAGE TECHNOLOGY INTERNATIONAL, INC. 发明人 LO, ALLEN KWOK WAH;LAO, KENNETH QUOCHUY
分类号 G02B27/22;G03B35/14;G03B35/24;G06K15/12;H04N1/23;(IPC1-7):G03B27/32 主分类号 G02B27/22
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