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:
Aug. 19, 2008
Filed:
Nov. 07, 2005
Applicants:
Jon H. Appleby, San Francisco, CA (US);
Kathleen Hannon Davies, Fremont, CA (US);
Paul D. Frey, San Francisco, CA (US);
Inventors:
Jon H. Appleby, San Francisco, CA (US);
Kathleen Hannon Davies, Fremont, CA (US);
Paul D. Frey, San Francisco, CA (US);
Assignee:
N-Lighten Technologies, Fremont, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/28 (2006.01); H04N 5/64 (2006.01);
U.S. Cl.
CPC ...
Abstract
An assembly for use in a projection system includes a plurality of optical elements, such as one or more mirrors, a light engine, and a screen, and a monolith. The optical elements are coupled to the monolith to provide a central element of reference, thereby enabling alignment based on the central element of reference.