(19)
(11) EP 1 004 133 A1

(12)

(43) Date of publication:
31.05.2000 Bulletin 2000/22

(21) Application number: 98911636.3

(22) Date of filing: 13.03.1998
(51) International Patent Classification (IPC)7: H01J 1/62, H01J 63/04, H01J 17/30, H01J 17/46, H01J 17/04, H01J 61/04, H01J 61/54
(86) International application number:
PCT/US9804/989
(87) International publication number:
WO 9840/900 (17.09.1998 Gazette 1998/37)
(84) Designated Contracting States:
BE DE FR GB IT NL

(30) Priority: 14.03.1997 US 40757 P

(71) Applicant: OSRAM SYLVANIA INC.
Danvers, MA 01923 (US)

(72) Inventors:
  • SMAGLICK, Richard, J.
    Concord, NH 03301 (US)
  • GARRISON, Robert, L.
    Henniker, NH 03242 (US)
  • SIDWELL, Steve, C.
    Hopkinton, NH 03229 (US)
  • KACE, Daniel, J.
    Concord, NH 03301 (US)

(74) Representative: Grünecker, Kinkeldey, Stockmair & SchwanhäusserAnwaltssozietät 
Maximilianstrasse 58
80538 München
80538 München (DE)


(56) References cited: : 
   
       


    (54) STARTING AID THAT SURROUNDS AN ELECTRODE OF A LOW PRESSURE DISCHARGE LAMP