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:
Aug. 22, 2006
Filed:
Apr. 16, 2004
Applicants:
Ronald A. Askeland, San Diego, CA (US);
Wayne M. Richard, San Diego, CA (US);
Inventors:
Ronald A. Askeland, San Diego, CA (US);
Wayne M. Richard, San Diego, CA (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 29/393 (2006.01); B41J 2/205 (2006.01); B41J 2/145 (2006.01); B41J 2/15 (2006.01); B41J 2/14 (2006.01); B41J 2/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
This invention relates to a method for grain equalization utilizing double dotting, comprising the steps of: determining a drop weight of each die in a multi-die printhead to print a given ink; determining the highest drop weight amongst all the dies; and determining a percentage of double dotting that is needed to substantially match a grain of the highest drop weight die.