(19)
(11) EP 1 196 012 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
11.08.2004 Bulletin 2004/33

(43) Date of publication A2:
10.04.2002 Bulletin 2002/15

(21) Application number: 01123778.1

(22) Date of filing: 04.10.2001
(51) International Patent Classification (IPC)7: H05B 41/04
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 05.10.2000 IL 13889600

(71) Applicant: Eltam Ein Hashofet
Israel (IL)

(72) Inventor:
  • Erez, Eran
    Israel (IL)

(74) Representative: Betten & Resch 
Patentanwälte, Theatinerstrasse 8
80333 München
80333 München (DE)

   


(54) Ignitor for discharge lamps


(57) The invention provides an ignitor circuit for a discharge lamp, including a magnetic ballast having a coil equipped with at least one tapping enabling the ballast to be utilized as a pulse transformer; electronic switching means electrically connected to the ballast, and a programmable electronic control unit connected to the switching means and discharge lamp, for activating the electronic switching means in accordance with a specific discharge lamp's specifications and the position of the tapping along the coil of the ballast.






Search report