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:
Mar. 19, 2013
Filed:
Dec. 02, 2008
James Gaines, Glen Ellyn, NY (US);
Bernd Clauberg, Schaumburg, IL (US);
Josephus A. M. Van Erp, Asten, NL;
James Gaines, Glen Ellyn, NY (US);
Bernd Clauberg, Schaumburg, IL (US);
Josephus A. M. Van Erp, Asten, NL;
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Abstract
An LED lamp power management system and method including an LED lamp having an LED controller; a plurality of LED channelsoperably connected to the LED controller, each of the plurality of LED channelshaving a channel switchin series with at least one shunted LED circuit, the shunted LED circuithaving a shunt switchin parallel with an LED source. The LED controllerreduces power loss in one of the channel switchand the shunt switchwhen LED lamp electronics power loss (P) exceeds an LED lamp electronics power loss limit (P); and each of the channel switchesreceives a channel switch control signalfrom the LED controllerand each of the shunt switchesreceives a shunt switch control signalfrom the LED controller