Patent · US Expired

Compact low-pressure discharge lamp

US6919671B2 · kind B2 · utility

8Cited by

4References

16Claims

0Family size

Assignee

Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH · DE

Inventors

Bruno Bachetzky · Augsburg, DE
Andreas Jakob · Untermeitingen, DE
Thomas Noll · Kipfenberg, DE

Key dates

Filing date	Dec 16, 2002
Grant date	Jul 19, 2005
Priority date	—
Expiry date	Dec 16, 2022

Classification

Technology area (CPC H)Electricity
CPC primaryH01J61/327
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The invention relates to a compact low-pressure discharge lamp (1) comprising a discharge vessel (3) with electrodes and power supply leads (7), a discharge vessel mount on which the discharge vessel is mounted, and a cap (10), which comprises a housing (11), connecting contacts (12) and a mounting plate (13) with a ballast apparatus (15), with the mounting plate being fitted with the ballast arrangement in the interior of the cap housing, and having connections for electrical connection of the mounting plate to the power supply leads and to the connecting contacts. The discharge vessel mount in this case comprises a plate (5) which is mounted in a further mount, with the further mount in turn being mounted on the housing of the cap. The further mount may be in the form of an enveloping bulb (2) or a reflector for the discharge vessel, or in the form of a closure cap (20) for the cap housing.

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