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:
Oct. 20, 2020
Filed:
Dec. 19, 2019
Seiko Epson Corporation, Tokyo, JP;
Takumi Shimomukai, Nagano, JP;
Mitsuhiro Yamashita, Nagano, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A color conversion table creation method includes creating a reference color conversion table using a color value of a color chart, and adjusting a color conversion table by adjusting an output value of a specific grid point corresponding to a predetermined input value in the created reference color conversion table, in which the adjusting the color conversion table includes an adjustment amount calculation step of calculating an adjustment amount of the output value of the specific grid point, a ripple amount determination step of determining a ripple amount when the calculated adjustment amount propagates with respect to a peripheral grid point existing in a vicinity of the specific grid point, and an application step of applying the determined ripple amount to the peripheral grid point in the color conversion table.