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. 03, 2009
Filed:
Jun. 09, 2005
Applicants:
Wiatt Kettle, Corvallis, OR (US);
James W. Ring, Blodgett, OR (US);
Scott Lerner, Corvallis, OR (US);
Inventors:
Wiatt Kettle, Corvallis, OR (US);
James W. Ring, Blodgett, OR (US);
Scott Lerner, Corvallis, OR (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/14 (2006.01); G03B 21/26 (2006.01); G03B 21/28 (2006.01); H04N 5/74 (2006.01); G02F 1/1335 (2006.01); G02B 5/30 (2006.01); G02B 27/28 (2006.01); G02B 1/10 (2006.01); G02B 27/14 (2006.01); G02B 27/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A projection assembly includes a dichroic beam splitter having first and second crossed dichroic surfaces, at least one interference type light modulator panel optically coupled to the dichroic beam splitter, and at least one filter at least partially between the light modulator panel and the dichroic beam splitter.