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. 10, 2018
Filed:
Jul. 18, 2016
Applicant:
Lumastream Canada Ulc, Calgary, CA;
Inventors:
Jason Neudorf, Kitchener, CA;
David Tikkanen, Waterloo, CA;
Assignee:
LUMASTREAM CANADA ULC, Waterloo, Ontario, CA;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 33/08 (2006.01);
U.S. Cl.
CPC ...
H05B 33/0815 (2013.01); H05B 33/086 (2013.01); H05B 33/0851 (2013.01);
Abstract
The disclosure is directed at a method and apparatus for controlling solid state lighting. The solid state lighting is controlled by the combination of a constant current reduction approach and a dithering approaching. The constant current reduction approach is used over a high light intensity range while the dithering approach is used over a low light intensity range.