发明名称 Photographic printer
摘要 A photographic printer having a color liquid crystal panel disposed between a light source and a photographic film. The color liquid crystal panel adjusts the light intensity and color balance of the light from the light source. The color liquid crystal panel has a plurality of cells disposed in a matrix, each cell having a light valve whose light transmittance changes with the drive voltage applied to the cell and a color filter of one of the three primary colors. The color liquid crystal panel is used as light amount controlling means, a shutter, or as both of them. According to the preferred embodiment of the present invention, the light transmittance of each cell is individually adjusted to correct the exposure unevenness and/or adjust the gradation.
申请公布号 US5122831(A) 申请公布日期 1992.06.16
申请号 US19910720963 申请日期 1991.06.25
申请人 FUJI PHOTO FILM CO., LTD. 发明人 SUZUKI, KENJI
分类号 G03B27/72;G03B27/73 主分类号 G03B27/72
代理机构 代理人
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