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:
Mar. 08, 2005
Filed:
Feb. 27, 2001
Masaki Nogiwa, Kanagawa, JP;
Kiyomi Tamagawa, Kanagawa, JP;
Masaki Nogiwa, Kanagawa, JP;
Kiyomi Tamagawa, Kanagawa, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
There are disclosed gradation correction curve producing method and apparatus for producing a gradation correction curve for correcting a gradation of an image. Density of monochromatic density patches for C, M, Y is measured to determine a first gradation correction curve, and colorimetry of gray density patches consisting of a combined color of C, M, Y is performed to determine a second gradation correction curve for each monochrome of C, M, Y determined from colorimetry values. A gradation correction curve for each monochrome of C, M, Y for gradation correction is determined using the first gradation correction curve and the second gradation correction curve.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile