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:
Mar. 04, 2014
Filed:
Apr. 22, 2005
Applicant:
Brett E. Dahlgren, Lebanon, OR (US);
Inventor:
Brett E. Dahlgren, Lebanon, OR (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 9/31 (2006.01); H04N 9/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
One embodiment of a viewing cone adjustment system includes a projection lens that defines a projection lens optical axis adjustably offset from a viewing screen optical axis, and an image source device that defines an image source optical axis adjustably offset from the projection lens optical axis.