The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 02, 2003
Filed:
Jul. 31, 2000
Kazushi Yamauchi, Yamato, JP;
Masayuki Sohda, Zama, JP;
International Business Machines Corporation, Armonk, NY (US);
Abstract
A method and apparatus for controlling tint in a digital color display system capable of efficiently performing tint control of displayed colors. The tint control method is executed according to the following: ( ) when the maximum and the minimum among R, G, B are the maximum gray scale value and the minimum gray scale value respectively, a step of transforming the input color into a color of a different tint based on a use defined maximum transformation value and a transformation direction; ( ) when the maximum and the minimum among R, G, B are Dmax and Dmin respectively, a step of transforming the input color into a color of a different tint based on a smaller transformation value and the same transformation direction; and ( ) when all values R, G, B are equal, a step of not transforming the input color in accordance with any input set value.