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:
Jul. 14, 2009
Filed:
Jun. 09, 2006
Applicants:
Franz Bernitz, Unterhaching, DE;
Christian Breuer, München, DE;
Andreas Huber, Maisach, DE;
Kai Wolter, Berlin, DE;
Inventors:
Franz Bernitz, Unterhaching, DE;
Christian Breuer, München, DE;
Andreas Huber, Maisach, DE;
Kai Wolter, Berlin, DE;
Assignee:
Patent-Treuhand-Gesellschaft fur elektrische, Munich, DE;
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
High-pressure discharge lamps may explode at the end of their life. In order to be able to predict an explosion, the gradient of the operating voltage is evaluated. If a risk of explosion is detected, the lamp operation is interrupted.