Patent · US Expired

Gas discharge lamp having a transparent envelope bulk and a bursting guard

US5576591A · kind A · utility

17Cited by
5References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 12, 1994
Grant dateNov 19, 1996
Priority date
Expiry dateMay 12, 2014

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J61/40
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The invention relates to a gas discharge lamp having a gas discharge tube, which is at least partly surrounded by a transparent protective bulb, the latter having a bursting guard. The protective bulb is designed as a completely closed envelope bulb, which surrounds in vacuum-tight manner the gas discharge tube. The bursting guard also completely envelops the envelope bulb.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.