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:
Dec. 30, 1986
Filed:
Jul. 25, 1983
Hiroyuki Saitoh, Ebina, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
A method and apparatus for processing image signals in which image sensors produce an image signal of a specific color and an image signal of the complementary color from a color image of an original by means of filters. A white balancing correction is applied to these image signals by selectively adjusting at least one of the image signals so that the image signals are equal to one another for each picture element along the scanning direction, while a white area of the original or a reference area is being scanned. In a preferred embodiment, a digital signal representative of a specific color is obtained by attenuating the white balanced image signal of the specific color and comparing it to the white balanced image signal of the complementary color, whereby faithful color separation of the specific color is achieved.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile