CRT calibration device for calibrating display color of a CRT to a color standard
First Claim
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1. A CRT calibration device for calibrating display colors of a CRT to a color standard, the device comprising:
- input means for inputting a gradation reproduction characteristic value of the CRT;
storage means for storing relative luminance data of the CRT;
determining means for determining a gradation signal value of the CRT based on the gradation reproduction characteristic value input by said input means and the relative luminance data stored in said storage means; and
display control means for controlling a color display based on the gradation signal value determined by said determining means, the color display indicating when an actual CRT gradation reproduction characteristic value approximately equals the gradation reproduction characteristic value input by said input means.
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Abstract
In a CRT calibration device, gradation signals of plural colors displayed on a CRT are determined in a gradation signal calculator based on a γ value input from a keyboard and data from a luminance value storage unit storing a plurality of relative luminance values on the CRT. If a user wants to correct the γ value while seeing the plural colors displayed on the CRT, he inputs a correct γ value through the keyboard.
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Citations
18 Claims
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1. A CRT calibration device for calibrating display colors of a CRT to a color standard, the device comprising:
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input means for inputting a gradation reproduction characteristic value of the CRT; storage means for storing relative luminance data of the CRT; determining means for determining a gradation signal value of the CRT based on the gradation reproduction characteristic value input by said input means and the relative luminance data stored in said storage means; and display control means for controlling a color display based on the gradation signal value determined by said determining means, the color display indicating when an actual CRT gradation reproduction characteristic value approximately equals the gradation reproduction characteristic value input by said input means. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A CRT calibration device for calibrating display colors of a CRT to a color standard, the device comprising:
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an input device inputting a gradation reproduction characteristic value of the CRT; a memory storing relative luminance data of the CRT; a gradation signal calculator determines a gradation signal value of the CRT based on the gradation reproduction characteristic value input by said input device and the relative luminance data stored in said memory; and a display controller controlling a color display based on the gradation signal value generated by said gradation signal generator, the color display indicating when an actual CRT gradation reproduction characteristic value approximately equals the gradation reproduction characteristic value input by said input device. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A method for calibrating display colors of a CRT to a color standard, the method comprising the steps of:
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inputting a gradation reproduction characteristic value of the CRT; storing relative luminance data of the CRT; determining a gradation signal value of the CRT based on the input gradation reproduction characteristic value and the stored relative luminance data; and controlling a color display based on the determined gradation signal value, the color display indicating when an actual CRT gradation reproduction characteristic value approximately equals the input gradation reproduction characteristic value. - View Dependent Claims (14, 15, 16, 17, 18)
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Specification