Patent ID: 9124273
Filing Date: 2015-09-01
Classification: G01D,H03K

Abstract:
1. Sensor device, comprising at least one first electrode structure, wherein the first electrode structure comprises at least one transmitting electrode and at least one reception electrode, wherein the at least one reception electrode is capacitively coupled with the at least one transmitting electrode, at least one second electrode structure, wherein the second electrode structure comprises at least one field sensing electrode, wherein the at least one field sensing electrode is capacitively coupled with the at least one transmitting electrode of the at least one first electrode structure, and an evaluating device, which is coupled with the first electrode structure and the second electrode structure, wherein the transmitting electrode is supplied with a first alternating electrical signal and wherein the evaluating device is configured to evaluate a first electrical signal tapped from the reception electrode and a second electrical signal tapped from the at least one field sensing electrode.