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:
Dec. 26, 2000
Filed:
Mar. 19, 1999
Applicant:
Inventor:
Norbert Greitschus, Freiburg, DE;
Assignee:
Micronas Intermetall GmbH, Freiburg, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05F / ; G05F / ;
U.S. Cl.
CPC ...
323222 ; 323282 ; 327534 ;
Abstract
A DC/DC converter including a switching transistor, an inductor, a smoothing capacitor, and a switching element which are connected so as to convert an input voltage U.sub.E to an output voltage U.sub.A greater or less than the input voltage U.sub.E. The current through the inductor can be measured by providing a comparator having a first input connected to the switching transistor, and a second input connected to a reference transistor and a reference current source so as to fix the switching threshold of the comparator at the second input.