Procedure and device for the power supply of fluorescent discharge lamps

(19)

(11)

EP 0 930 809 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	23.02.2000 Bulletin 2000/08

(43)	Date of publication A2:
	21.07.1999 Bulletin 1999/29

(21)	Application number: 98500274.0

(22)	Date of filing: 16.12.1998

(51)	International Patent Classification (IPC)⁷: H05B 41/46

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
	Designated Extension States:
	AL LT LV MK RO SI

(30)

Priority:

17.12.1997 ES 9702617

(71)	Applicant: Juan Roura y Cia., S.A.
	08013 Barcelona (ES)

(72)	Inventor:
	Roura Ares, Juan 08013 Barcelona (ES)

(74)	Representative: Duran Moya, Luis-Alfonso et al
	DURAN-CORRETJER, S.L., Paseo de Gracia, 101 08008 Barcelona 08008 Barcelona (ES)

(54)	Procedure and device for the power supply of fluorescent discharge lamps

(57) The procedure consists on a single balast which is suitable for one individual tube and feeds successively multiple identical fluorescent lamps, which are connected in parallel with the balast terminals, illuminating a single lamp in a set of fluorescent lamps and continuing to light from one lamp to the next automatically when the operating lamp stops working.

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