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Patents

Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US394921121 Jun 19746 Apr 1976Westinghouse Electric CorporationLuminaire having ballast circuitry in photocontrol housing
US404424915 Dec 197523 Aug 1977A Division of Varo, Inc. Biometrics Instrument CorporationVoltage supply including bilateral attenuator
US412113612 May 197717 Oct 1978Etat FrancaisApparatus for feeding discharge lamps from a direct current source
US43946032 Apr 198119 Jul 1983Controlled Environment Systems Inc.Energy conserving automatic light output system
US45557411 Jun 198426 Nov 1985Ken HayashibaraDevice for eliminating inrush-current
US461247920 Jul 198416 Sep 1986Honeywell Inc.Fluorescent light controller
US468208428 Aug 198521 Jul 1987Innovative Controls, IncorporatedHigh intensity discharge lamp self-adjusting ballast system sensitive to the radiant energy or heat of the lamp
US468642818 Jun 198611 Aug 1987Innovative Controls, IncorporatedHigh intensity discharge lamp self-adjusting ballast system with current limiters and a current feedback loop
US47331356 May 198622 Mar 1988Intent Patents A.G.Self-regulating, no load protected electronic ballast system
US477741022 Jun 198711 Oct 1988Innovative Controls, Inc.Ballast striker circuit
US499954725 Sep 198612 Mar 1991Innovative Controls, IncorporatedBallast for high pressure sodium lamps having constant line and lamp wattage
US505774816 Oct 198915 Oct 1991Everbrite, Inc.Power supply circuit for gas discharge tube
US507559816 Oct 198924 Dec 1991Everbrite, Inc.Power supply circuit for gas discharge tube
US508786016 Oct 198911 Feb 1992Everbrite, Inc.Power supply circuit for gas discharge tube
US535295616 Oct 19894 Oct 1994Everbrite Electronics, Inc.Power supply for gas discharge tube
US618107516 Oct 198930 Jan 2001Everbrite Electronics, Inc.Power supply circuit for gas discharge tube