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最近,北京电影机械研究所研制成功了JH 135型幻灯片质量检验放映机并在机械工业部仪表工业局的主持下通过了技术鉴定。该放映机主要供幻灯片制片厂在生产过程中检验画面质量用,能同时检验幻灯片的彩色还原、机械损伤、清洁度、清晰度、画面尺寸和密度等质量指标。它实现了正反向间歇输片,达到了逐格、跳格等使用要求。它采
Recently, the Beijing Institute of Cinema Machinery successfully developed JH 135 slide quality inspection projector and instrumentation in the Ministry of Industry Machinery Industry under the auspices of the technical appraisal. The projector is mainly used by the slide studio to test the quality of the picture in the production process. It can simultaneously test the quality indicators of color reproduction, mechanical damage, cleanliness, sharpness, picture size and density of the slide. It achieved the positive and negative intermittent film transfer, reaching the grid, grid and other use requirements. It mining