The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 30, 2002
Filed:
Mar. 16, 1999
Dieter Leers, Stolberg, DE;
Klaus Lohn, Simmerath, DE;
Martin Ossmann, Aachen, DE;
Johannes M. De Regt, Cadier en Keer, NL;
Günther H. Derra, Aachen, DE;
Hubertus C. M. Van Den Nieuwenhuizen, Eindhoven, NL;
U.S. Philips Corporation, New York, NY (US);
Abstract
A short-arc discharge lamp ( ) is provided with a translucent lamp vessel ( ) which is closed in a gas-tight manner and which is provided with an ionizable fill. A first and a second electrode ( ) are arranged in the lamp vessel ( ) which are each connected to its own current conductor ( ) which extends to outside the lamp vessel. A starting antenna ( ) is arranged near to the lamp vessel, which antenna is connected to a further current conductor ( ). The starting antenna comprises an antenna container ( ) and a further electrode ( ) which antenna container ( ) is closed in a gas-tight manner and contains an ionizable fill, the further electrode ( ) being connected to the further current conductor ( ). This makes it possible to realize a shorter reignition time by means of a higher reignition voltage on the starting antenna while spark-over from the starting antenna ( ) to the lamp vessel ( ) is avoided.