Industry Patents

Patent: 7667409

Method for Driving a Lamp in a Lighting System Based on a Goal Energizing Level of the Lamp and a Control Apparatus Therefor

(Click image for PDF of full patent)

 

Patent Number: 7667409 
Title: Method for Driving a Lamp in a Lighting System Based on a Goal Energizing Level of the Lamp and a Control Apparatus Therefor 
Abstract: A method and a control apparatus for driving a lamp (14) in a lighting system, in particular a lamp laving a fast response to a change of an amount of energy supplied through the lamp, in which a device controller 8 is connected with the lamp (14) The device controller (8) receives data values from a system controller (2) to change a light output level of the lamp (14). Upon receiving a data value which is different from a previously received data value the device controller calculates additional data values and distribute the additional data values in a following, time interval to smoothen a transition between different light output levels of the lamp (14).  
Country of Issue: US 
First Named Inventor: Geerts, Stegeman 
Assignee: Philips 
Continuation or Divisional of:  
International Classification: H05B 37/00 
US Classification: 315/224 
Issue Date: 02-23-2010 
Filing Date: 06-28-2005 
Application : 11/570944 
Notes:  
Link to Patent at freepatentsonline.com: 7667409 at Freepatentsonline 
Link to World Patent Family1: World Patent Family at European Patent Office 
Link to Google Patents1: 7667409 at Google Patents 

 

1. The Google Patents and World Patent Family links will likely not work until a few weeks
after the patent has issued - they take a while to get new patents in their systems.

Disclaimer: This web site is not intended to offer comprehensive or sufficient information to enable a full legal analysis of a patent or potential infringement. The information provided on this web site is intended as general information only, and is not intended to serve as legal opinion, legal advice or as a substitute for legal counsel. If you have a question about a specific factual situation, you should contact an attorney directly