Patent · US Active

Touch sensor that utilizes a touch area with a single conductive path

US10198110B2 · kind B2 · utility

3Cited by

0References

15Claims

0Family size

Assignee

NXP B.V. · NL

Inventors

Thomas Suwald · Hamburg, DE
Arne Burghardt · Hamburg, DE

Key dates

Filing date	Feb 10, 2016
Grant date	Feb 5, 2019
Priority date	—
Expiry date	Aug 10, 2036

Classification

Technology area (CPC H)Electricity
CPC primaryH03K2217/96074
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

It is disclosed a touch sensor (100,200,300,400,500,700) for sensing a user touch, comprising an electrically conductive structure (101) having an electrically conductive touch area (103) exposed to the environment; a first capacitor (115) having a first electrode (117) electrically connected with the conductive structure (101); a second capacitor (119) having a first electrode (121) connected to a second electrode (123) of the first capacitor (115); and a driver arrangement (125) connected to the first capacitor and the second capacitor and adapted to perform particular operation steps.

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