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. 10, 2012
Filed:
Jun. 23, 2009
Applicants:
Laszlo A. Takacs, Lakewood, OH (US);
Roger F. Buelow, Gates Mills, NY (US);
Inventors:
Laszlo A. Takacs, Lakewood, OH (US);
Roger F. Buelow, Gates Mills, NY (US);
Assignee:
Energy Focus, Inc., Solon, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/00 (2006.01); H05B 41/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
An LED lighting arrangement comprising at least one LED, for producing light is disclosed. A power supply provides power for the at least one LED. At least one control circuit is coupled to the at least one LED in a way that directly or indirectly uses, to power the at least one control circuit, one or more forward voltage drops across the at least one LED. Beneficially, one or more additional control circuits can be added without redesign of the power supply for the at least one LED.