TREA

Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus

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Industry

  • CPC
  • G03B27/72
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Parent Industries

GPHYSICS G03Photography G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES ACCESSORIES THEREFOR G03B27/00Photographic printing apparatus

Current Industry

G03B27/72Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
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