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. 01, 2002
Filed:
Feb. 09, 1999
Nobuhito Matsushiro, Tokyo, JP;
Oki Data Corporation, Tokyo, JP;
Abstract
When image data are processed to generate pseudo-tone patterns, a predetermined threshold is modified according to at least two periodic functions with different spatial periods. The picture elements are compared with the modified threshold, and the comparison results are used to generate an output image. The periodic threshold modifications cause dots to appear preferentially in regular patterns, thereby reducing dot noise, and providing improved control over the overlaying of dot patterns in different color planes in a color image.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile