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. 06, 2009
Filed:
Jun. 10, 2005
Hong LI, Superior, CO (US);
Mikel John Stanich, Longmont, CO (US);
Gerhard R. Thompson, Wappingers Falls, NY (US);
Chai Wah Wu, Poughquag, NY (US);
Hong Li, Superior, CO (US);
Mikel John Stanich, Longmont, CO (US);
Gerhard R. Thompson, Wappingers Falls, NY (US);
Chai Wah Wu, Poughquag, NY (US);
InfoPrint Solutions Company LLC, Boulder, CO (US);
Abstract
A method and system for generating halftone tables, using a spot function, subdivides the pixels within the halftone cell of a halftone matrix into a plurality of sub-pixels, determines the value of the spot function corresponding to the position of each of the sub-pixels within the halftone matrix, repeats the subdividing and determining for all of the sub-pixels in the halftone matrix, ranks the values for the entire halftone matrix, normalizes the ranked values, generates a cumulative histogram based upon the normalized values, and stores the cumulative histogram as a halftone table.