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:
Jun. 13, 2017
Filed:
Mar. 07, 2016
Applicant:
Microchip Technology Germany Gmbh, Rosenheim, DE;
Inventors:
Axel Heim, Munich, DE;
Martin Hoch, Gilching, DE;
Assignee:
MICROCHIP TECHNOLOGY GERMANY GMBH, Rosenheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 27/26 (2006.01); G01R 35/00 (2006.01); G01D 5/24 (2006.01); G06F 3/044 (2006.01); H03K 17/96 (2006.01);
U.S. Cl.
CPC ...
G01R 35/005 (2013.01); G01D 5/24 (2013.01); G01R 27/2605 (2013.01); G06F 3/044 (2013.01); H03K 17/962 (2013.01); H03K 2217/9607 (2013.01);
Abstract
A capacitive sensor includes a transmit electrode configured to provide an alternating electric field to a sensor; one or more receive electrodes for detecting variations in the alternating electric field; and an adaptive frequency adjustment unit configured to adjust an operating frequency of the alternating electric field responsive to detection of a noise measure, such as noise power.