Continuous Dimming Electronic Ballast with Constant Lamp Power Control

Description:

A novel dimming electronic ballast which has continuos dimming capability from 20% to 100% and features good power factor, high efficiency, and low cost. This ballast is expected to have economic application in lighting systems.

5,914,572 (96.093) and corresponding Japanese App. P10-115649

Patent Information:

Title	App Type	Country	Serial No.	Patent No.	File Date	Issued Date	Expire Date
Discharge Lamp Driving Circuit Having Resonant Circuit Defining Two Resonance Modes	US Utility	*United States	08/878,821	5,914,572	6/19/1997	6/22/1999	6/19/2017

Direct Link:

http://vtip.technologypublisher.com/technology/9157

Category(s):

Electrical

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For Information, Contact:

Li Chen

Licensing Associate

Virginia Tech Intellectual Properties, Inc.

(540) 443-9217

lchen@vtip.org

Inventors:

Fred Lee

Jinrong Qian

Keywords:

Energy/Power