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.

Date of Patent:
Aug. 01, 2017

Filed:

Oct. 11, 2013
Applicant:

GE Lighting Solutions, Llc, East Cleveland, OH (US);

Inventors:

Morne Neser, Montreal, CA;

Truong-Khoa Nguyen, St Laurent, CA;

Christian Poirier, Montreal, CA;

Assignee:

GE LIGHTING SOLUTIONS, LLC, East Cleveland, OH (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G08G 1/095 (2006.01); G08G 1/085 (2006.01); H05B 37/02 (2006.01);
U.S. Cl.
CPC ...
G08G 1/095 (2013.01); G08G 1/085 (2013.01); H05B 37/0281 (2013.01); Y02B 20/42 (2013.01);
Abstract

A traffic lamp and a method of controlling the traffic lamp based on a power signal are provided. The traffic lamp can include a controller and a light emitting element When a plurality of light emitting elements is included in the traffic lamp, each light emitting element is coupled with a separate controller. Each controller can be configured to include a predetermined light emitting timing sequence for the corresponding light emitting element. When the power signal is supplied to the traffic lamp, each controller determines a power signal characteristic such as a frequency or a period of the power signal and controls a light output of the light emitting element: based on the power signal characteristic and the light emitting timing sequence. A plurality of light emitting elements can be synchronized using the power signal applied to the traffic lamp.


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