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. 13, 2010
Filed:
Feb. 06, 2006
Daniel Lerchegger, München, DE;
Bernhard Sieβegger, München, DE;
Daniel Lerchegger, München, DE;
Bernhard Sieβegger, München, DE;
Osram Gesellschaft mit Beschraenkter Haftung, Munich, DE;
Abstract
A lamp base () for a high-pressure discharge lamp comprises an ignition transformer (), which is placed in the interior () of the lamp base () and which serves to ignite the gas discharge inside the high-pressure discharge lamp. To this end, the ignition transformer () comprises a core on which its windings () are placed. The core is formed by a first core part () and by at least one second core part (), which are each made of a ferromagnetic or ferrimagnetic material and are separated by at least one gap (). The first core part () has a cylindrical section on which the windings () of the ignition transformer () are placed, and core parts () are formed in such a manner that the core, apart from the at least one gap (), has a closed shape.