(19)
(11) EP 1 526 759 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
28.03.2007 Bulletin 2007/13

(43) Date of publication A2:
27.04.2005 Bulletin 2005/17

(21) Application number: 04077845.8

(22) Date of filing: 15.10.2004
(51) International Patent Classification (IPC): 
H05B 33/08(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL HR LT LV MK

(30) Priority: 16.10.2003 IT RE20030098

(71) Applicant: Immobiliare Eder S.R.L.
42100 Reggio Emilia RE (IT)

(72) Inventor:
  • Incerti, Edda
    42100 Reggio Emilia RE (IT)

(74) Representative: Arena, Giovanni 
Viale Certosa 135
20151 Milano
20151 Milano (IT)

   


(54) Light-emitting diode piloting device


(57) The light emitting diodes (LEDs) supply current piloting device in one of its basic forms is made up of two LEDs (7,8), one PCT thermistor (6) for limiting the current absorbed from the alternating or direct voltage supply line, and one rectifier stage made up of four diodes (2,3,4,5).







Search report