G PHYSICS
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G09 EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
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G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
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2320/00 Control of display operating conditions
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G09G2320/02 Improving the quality of display appearance
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G09G2320/0271 Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
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G09G2320/0276 for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
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