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. 02, 2004
Filed:
Aug. 01, 2002
Applicant:
Inventor:
Charles Robert Wolfe, Palo Alto, CA (US);
Assignee:
Jenmar Visual Systems, Fremont, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 3/08 ; G02B 2/106 ;
U.S. Cl.
CPC ...
G02B 3/08 ; G02B 2/106 ;
Abstract
Method and apparatus for collimating light of projected images establishes limited few designs of Fresnel lenses to accommodate conventional projection systems having a wide range of sizes of viewing screens for the ted images. A multi-layer image-enhancing filter is disposed to receive Substantially collimated image light exiting the Fresnel lens.
Wolfe, Charles. (2004). Lens optimization for image projection systems (U.S. Patent No. 6700713). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6700713
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile