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. 15, 2008
Filed:
Apr. 22, 2004
Michel J. Zwanenburg, Northville, MI (US);
Michel J. Zwanenburg, Northville, MI (US);
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Abstract
A LED lighting system () employing a LED light source (), a user interface (), and a controller (). The LED light source () includes a plurality of colored LEDs emitting one of a plurality of spectral outputs as a function of one or more currents flowing through the colored LEDs, where each current has a variable time average flow. The user interface () facilitate a user selection of one of the spectral outputs. The controller () controls the variable time average flow of each current flowing through the colored LEDs as a function of the spectral output selected by the user.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile