Print condition setting method of photographic printing and exposure
专利汇可以提供Print condition setting method of photographic printing and exposure专利检索，专利查询，专利分析的服务。并且PURPOSE:To set automatically conditions of a photographic printer by measuring the density of a printed photographic paper for each of three primary colors and performing correction on a basis of the difference between the measured density and an objective density. CONSTITUTION:An actual print density of a printed photographic paper 8A processed in a processing part 10 is measured in the succeeding stage. That is, light is irradiated on the photographic paper 8A by a light source 31, and the reflected light is allowed to pass a color separating filter 32, and B (blue), G(green), and R(red) lights are detected by an optical sensor 33, and each of them is amplified by an amplifier 34 and is converted to a density value RD by a logarithmic converting circuit 35, and this density value RD is inputted to an operating circuit 30. The operating circuit 30 checks relations between the print density and an exposure and corrects a correction quantity, which is determined by an exposure determining circuit 14, in a prescribed case.，下面是Print condition setting method of photographic printing and exposure专利的具体信息内容。
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