Search Images Maps Play YouTube News Gmail Drive More »
Advanced Patent Search | Web History | Sign in

Patents

Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US401039826 Aug 19751 Mar 1977U.S. Philips CorporationElectric device provided with a gas and/or vapor discharge lamp
US41874498 May 19785 Feb 1980General Electric CompanyDischarge lamp operating circuit
US426093212 Oct 19787 Apr 1981Method and circuit for facilitating the starting and steady state flickerless operation of a discharge lamp
US44632858 Mar 198231 Jul 1984DC Ballasting means for fluorescent lamps
US450081214 Feb 198319 Feb 1985GTE Products CorporationElectronic ballast circuit
US452565010 Jan 198425 Jun 1985North American Philips Lighting CorporationStarting and operating method and apparatus for discharge lamps
US465477418 Nov 198531 Mar 1987General Electric CompanyLow ripple, high power factor a-c to d-c power supply
US495284427 Dec 198828 Aug 1990GTE Products CorporationElectronic ballast circuit for discharge lamp
US513621030 Aug 19914 Aug 1992GTE Products CorporationGlow discharge lamp
US515000930 Aug 199122 Sep 1992GTE Products CorporationGlow discharge lamp
US517740727 Dec 19885 Jan 1993GTE Products CorporationGlow discharge lamp having dual anodes and circuit for operating same
US705028710 Sep 200423 May 2006American Shizuki Corporation (ASC Capacitors)Sign ballast capacitor assembly