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:
Dec. 02, 2008
Filed:
Jun. 09, 2005
Applicant:
Walter M. Duncan, Dallas, TX (US);
Inventor:
Walter M. Duncan, Dallas, TX (US);
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/26 (2006.01); G03B 21/28 (2006.01); G02B 5/32 (2006.01); G02B 27/44 (2006.01); G02B 27/46 (2006.01); G03H 1/02 (2006.01); G09G 3/14 (2006.01); G09G 3/32 (2006.01); G01J 3/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
Described is an optical device for combining multiple light sources in an optical projection system. One embodiment of the optical device includes at least two light sources having first and second wavelengths, and an optical element for substantially diffracting the first and second wavelengths of the two light sources and combining them into a single beam of light.