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. 21, 2009
Filed:
Feb. 01, 2005
Applicants:
Oskar Schallmoser, Ottobrunn, DE;
Wolfram Sowa, Munich, DE;
Inventors:
Oskar Schallmoser, Ottobrunn, DE;
Wolfram Sowa, Munich, DE;
Assignee:
Osram Gesellschaft mit beschraenkter Haftung, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05F 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A converter circuit, in particular having a class E converter, comprising a drive circuit for a switching transistor MOS1 having two series-connected components which operate as a function of the threshold value, in particular comparators K1, K1' and K2, K2′.