Global Patent Index - EP 0948030 A2

EP 0948030 A2 19991006 - Rare gaseous discharge lamp, lighting circuit, and lighting device

Title (en)

Rare gaseous discharge lamp, lighting circuit, and lighting device

Title (de)

Edelgasgefüllte Entladungslampe, Leuchtschaltung und Leuchtvorrichtung

Title (fr)

Lampe à décharge à gaz rare, circuit d'éclairage et dispositif d'éclairage

Publication

EP 0948030 A2 19991006 (EN)

Application

EP 99302495 A 19990330

Priority

  • JP 8473798 A 19980330
  • JP 18272998 A 19980629
  • JP 21395598 A 19980729
  • JP 21634798 A 19980731
  • JP 1103199 A 19990119

Abstract (en)

A rare gaseous discharge lamp arrangement that takes into account the electrostatic capacity of the lamp structure. It's discharge vessel has an outside diameter D mm, thickness t mm, and dielectric constant epsilon and satisfies the relation <MATH> The lamp has at least a pair of electrodes, at least one of which is external. <IMAGE>

IPC 1-7

H01J 65/00; H01J 65/04; H01J 61/30

IPC 8 full level

H01J 61/30 (2006.01); H01J 65/00 (2006.01); H01J 65/04 (2006.01)

CPC (source: EP)

H01J 61/30 (2013.01); H01J 65/00 (2013.01); H01J 65/042 (2013.01)

Designated contracting state (EPC)

FR

DOCDB simple family (publication)

EP 0948030 A2 19991006; EP 0948030 A3 19991229

DOCDB simple family (application)

EP 99302495 A 19990330