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. 18, 2007
Filed:
Jul. 03, 2001
Jennifer Quirin Trelewicz, Superior, CO (US);
Danielle K. Dittrich, Longmont, CO (US);
Yue Qiao, Longmont, CO (US);
Gerhard Robert Thompson, Wappingers Falls, NY (US);
Chai Wah Wu, Poughquag, NY (US);
Jennifer Quirin Trelewicz, Superior, CO (US);
Danielle K. Dittrich, Longmont, CO (US);
Yue Qiao, Longmont, CO (US);
Gerhard Robert Thompson, Wappingers Falls, NY (US);
Chai Wah Wu, Poughquag, NY (US);
InfoPrint Solutions Company LLC, Boulder, CO (US);
Abstract
A digital halftoning technique for controlling a spot function is disclosed. A method for generating a spot for use in halftoning according to the present invention includes defining a spot function that combines two functions selected to provide a predetermined spot shape for use in a halftone cell and scaling the spot function using a scaling function that varies according to a value of a first and second spot function ordinate. Asymmetric modulation of spot functions is used to control the touching of adjacent spots, and to change the shape of the spots with the gray region.