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:
Jul. 08, 2014
Filed:
Mar. 11, 2014
Applicant:
Xicato, Inc., San Jose, CA (US);
Inventors:
John S. Yriberri, San Jose, CA (US);
Christopher R. Reed, Reno, NV (US);
Jim W. Li, Fremont, CA (US);
Gerard Harbers, Sunnyvale, CA (US);
Assignee:
Xicato, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01); F21K 99/00 (2010.01); F21V 7/10 (2006.01); F21V 13/04 (2006.01); F21V 7/00 (2006.01);
U.S. Cl.
CPC ...
F21K 9/50 (2013.01); F21V 7/10 (2013.01); F21V 13/04 (2013.01);
Abstract
An optical element that may be replaceably mounted to an LED based illumination device. The optical element includes a hollow shell reflector and a plurality of annular shell elements disposed within the hollow shell reflector at different distances from the input port of the optical element. An annular shell element that is closer to the input port of the optical element has a radius that is less than the radius of an annular shell element farther from the input port.