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:
Jul. 31, 2007
Filed:
Dec. 21, 2004
Applicants:
David L. Erickson, Corvallis, OR (US);
Kevin Hulick, Corvallis, OR (US);
Anurag Gupta, Corvallis, OR (US);
P. Guy Howard, Junction City, OR (US);
Inventors:
David L. Erickson, Corvallis, OR (US);
Kevin Hulick, Corvallis, OR (US);
Anurag Gupta, Corvallis, OR (US);
P. Guy Howard, Junction City, OR (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/00 (2006.01); G03B 21/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
Systems and methods for image enhancement are disclosed. The system includes a light source adapted to generate a light beam and a light integration unit positioned along a light path of the light beam. A light intensity modulator is positioned between the light source and an exit of the light integration unit.