Patent · US Active

Electrode device, circuit arrangement and method for the approach and touch detection

US9166581B2 · kind B2 · utility

1Cited by

2References

24Claims

0Family size

Assignee

Microchip Technology Germany GmbH · DE

Inventors

Claus Kaltner · Dachau, DE
Reinhard Unterreitmayer · Gauting, DE
Holger Steffens · Herrsching am Ammersee, DE

Key dates

Filing date	Mar 24, 2011
Grant date	Oct 20, 2015
Priority date	—
Expiry date	Mar 4, 2032

Classification

Technology area (CPC H)Electricity
CPC primaryH03K2017/9604
WIPO fieldBasic communication processes
WIPO sectorElectrical engineering

Abstract

An electrode device for a capacitive sensor device and a circuit arrangement for a capacitive sensor device for the operation of an electrode device are provided, wherein the electrode device has a first electrode structure with at least one transmitting electrode and at least one receiving electrode, and a second electrode structure with at least one field sensing electrode, wherein the electrode device or the capacitive sensor device can be operated in a first operation mode and in a second operation mode. In addition a method is provided for approach and/or touch detection with a sensor device.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.