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:
May. 16, 2000
Filed:
Jul. 15, 1996
Applicant:
Inventor:
James Robert Metcalfe, Collaroy Plateau, AU;
Assignees:
Canon Information Systems Research Australia Pty Limited, New South Wales, AU;
Canon Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K / ;
U.S. Cl.
CPC ...
382163 ; 382167 ; 382266 ; 358518 ; 358532 ;
Abstract
An arrangement for sharpening the resolution of printed text in a color printing system is disclosed. An image processing system (1) includes a color conversion apparatus (2) for converting from one color space (RBG) to another color space (CMYK) for display on a color printer (8). The color conversion apparatus (2) includes a near-black correction unit (36) which detects near black-near white and near white-near, black transistions and when such a transition occurs, outputs a full,or deep black color in place of the near-black color.