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:
Apr. 22, 2014
Filed:
Feb. 16, 2011
Applicants:
Mark Covaro, Sonoma, CA (US);
David Leonard, Danville, CA (US);
Inventors:
Mark Covaro, Sonoma, CA (US);
David Leonard, Danville, CA (US);
Assignee:
Redwood Systems, Inc., Fremont, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 17/00 (2006.01); H04B 10/00 (2013.01); H03F 3/08 (2006.01); G01J 1/20 (2006.01); H01J 1/00 (2006.01); G06T 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A system may communicate between a display device and a lighting system using light generated by the display device and a light sensor in the lighting system. A computing device and a building control system may communication over a wireless link. The building control system may determine that the computing device is co-located with a fixture in the building control system based on whether communication over the wireless link between the computing device and the building control system is detected.