SOLID STATE BALLAST FOR HIGH INTENSITY DISCHARGE LAMPS HAVING CONSTANT LINE AND LAMP WATTAGE - Patent 0323452

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EP 0 323 452 A1

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(43)	Date of publication:
	12.07.1989 Bulletin 1989/28

(21)	Application number: 87901219.0

(22)	Date of filing: 27.01.1987

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International Patent Classification (IPC):

H05B 41/ 392^{( . )}

(86)	International application number:
	PCT/US1987/000153

(87)	International publication number:
	WO 1988/001468 (25.02.1988 Gazette 1988/05)

(84)	Designated Contracting States:
	GB

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Priority:

11.08.1986 US 19860895282

(71)	Applicant: INNOVATIVE CONTROLS, INC.
	Houston, TX 77073 (US)

(72)	Inventor:
	OTTENSTEIN, Sidney, A. Spring, TX 77389 (US)

(74)	Representative: Meddle, Alan Leonard, et al
	FORRESTER & BOEHMERT Franz-Joseph-Strasse 38 D-80801 München D-80801 München (DE)

(54)	SOLID STATE BALLAST FOR HIGH INTENSITY DISCHARGE LAMPS HAVING CONSTANT LINE AND LAMP WATTAGE