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:
Jan. 23, 2007
Filed:
Jul. 29, 2005
Applicants:
Anurag Gupta, Corvallis, OR (US);
Wiatt Kettle, Corvallis, OR (US);
Scott Lerner, Corvallis, OR (US);
Inventors:
Anurag Gupta, Corvallis, OR (US);
Wiatt Kettle, Corvallis, OR (US);
Scott Lerner, Corvallis, OR (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 3/00 (2006.01); G02B 13/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
A projection lens assembly is provided that includes first, second, third, fourth, fifth, and sixth lenses. The second, third, fifth, and sixth lenses of the projection lens assembly form a double gauss-type lens assembly. The first lens is configured to provide telecentricity and the fourth lens in configured to correct aberrations due to variations in the third lens.