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:
Jun. 23, 2009
Filed:
Feb. 24, 2004
Leo Gustaaf Joanna Emiel Marien, Eindhoven Turnhout, BE;
Willibrordus Hubertus Martinus Maria Van DE Spijker, Eindhoven, NL;
Nancy Jean Caruso, Turnhout, BE;
Jean-françois Lavaud, Bergerac, FR;
Leo Gustaaf Joanna Emiel Marien, Eindhoven Turnhout, BE;
Willibrordus Hubertus Martinus Maria Van De Spijker, Eindhoven, NL;
Nancy Jean Caruso, Turnhout, BE;
Jean-François Lavaud, Bergerac, FR;
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Abstract
A high-pressure discharge lamp has an outer envelope () in which a discharge vessel () is arranged. The discharge vessel encloses a discharge space () with an ionizable filling. The discharge vessel has two mutually opposed neck-shaped portions () through which current supply conductors () extend to a pair of electrodes () in the discharge space. A lamp base () of electrically insulating material supports the discharge vessel. The lamp base also supports the outer envelope (). The outer envelope encloses the current supply conductors and is connected to the lamp base in a gas-tight manner. By controlling the atmosphere in the outer envelope, a simplified and compact high-pressure discharge lamp is provided with an accurate positioning of the discharge vessel with respect to the optical axis of the lighting system. The high-pressure discharge lamp can be suitably applied in an assembly with a reflector.