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. 08, 2014
Filed:
Oct. 16, 2012
Applicant:
Led Roadway Lighting Ltd., Halifax, Nova Scotia, CA;
Inventors:
Donald A. Cleland, Victoria, CA;
Pratibha Sharma, Victoria, CA;
Simon H. Lightbody, Victoria, CA;
Velvet Warrior, North Saanich, CA;
Assignee:
LED Roadway Lighting Ltd., , CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01W 1/12 (2006.01); G06F 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A system and method for streetlight control is provided. A lamp sensor inside a reflector of the streetlight is utilized to detect the output of a lamp of the streetlight. During daytime periods when the lamp is OFF, the lamp sensor is utilized to act as a day/night sensor by detecting ambient light near the lamp. When the ambient light level falls below a sufficient level indicative that night is approaching the lamp is turned ON and the lamp sensor utilized to detect the lamp output of the streetlight.