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:
Sep. 09, 2008
Filed:
May. 31, 2005
Applicants:
Wolfgang Hellwig, Gomaringen, DE;
Martin Wrede, Reutlingen, DE;
Gerhard Wucher, Reutlingen, DE;
Dirk Droste, Tuebingen, DE;
Thomas Walker, Kusterdingen, DE;
Inventors:
Wolfgang Hellwig, Gomaringen, DE;
Martin Wrede, Reutlingen, DE;
Gerhard Wucher, Reutlingen, DE;
Dirk Droste, Tuebingen, DE;
Thomas Walker, Kusterdingen, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A circuit for converting the capacitive signal change of a differential capacitor into digital signals, the circuit including a sigma delta modulator. The differential capacitor is a component of the signal feed structure and the reference feedback structure of the sigma delta modulator.