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:
Jun. 22, 2010
Filed:
Jul. 06, 2005
Applicants:
Angus Wu, Tucson, AZ (US);
Anurag Gupta, Corvallis, OR (US);
P. Guy Howard, Junction City, OR (US);
John M. Koegler, Iii, Corvallis, OR (US);
Inventors:
Angus Wu, Tucson, AZ (US);
Anurag Gupta, Corvallis, OR (US);
P. Guy Howard, Junction City, OR (US);
John M. Koegler, III, Corvallis, OR (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 9/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A reflector for a projector includes a metal reflector that defines an optical surface. An absorptive surface is disposed on the optical surface. A layer of germanium is disposed on the absorptive surface. A band-pass reflective surface is further disposed on the absorptive surface.