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. 19, 2022
Filed:
Jun. 08, 2020
Applicant:
Captron Electronic Gmbh, Olching, DE;
Inventors:
Bernhard Christ, Gauting, DE;
Dirk Oldendorf, Alling, DE;
Jens Schüler, Althegnenberg, DE;
Kilian Hüttenhofer, Munich, DE;
Assignee:
CAPTRON ELECTRONIC GMBH, Olching, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01R 27/26 (2006.01); G01D 5/24 (2006.01); H03K 17/955 (2006.01); H03K 17/96 (2006.01);
U.S. Cl.
CPC ...
G01D 5/24 (2013.01); H03K 17/955 (2013.01); H03K 17/962 (2013.01); H03K 2217/960735 (2013.01); H03K 2217/960755 (2013.01);
Abstract
A capacitive sensor including a sensor electrode connected to a signal generation circuit and a signal evaluation circuit. The signal generation circuit contains a signal generator that is a noise generator or a pseudo-noise generator, the signal evaluation circuit includes a synchronous rectifier. The synchronous rectifier is connected for synchronization to the signal generator.