Apparatus and method for sensing touch based on multi-channel
US11921953B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 23, 2021 |
| Grant date | Mar 5, 2024 |
| Priority date | — |
| Expiry date | Dec 15, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0446
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An apparatus for sensing a touch includes: a sensor array including a plurality of sensor groups, each of the plurality of sensor groups including sensors adjacent to each other; a first switch circuit configured to connect each of the plurality of sensor groups to a first channel or a second channel according to a first control signal; and a second switch circuit configured to select one of the first channel and the second channel according to a second control signal, wherein the first channel includes first signal lines connected to respective sensors included in a first sensor group of the plurality of sensor groups by the first switch circuit, and the second channel includes a second signal line commonly connected to the sensors included in the first sensor group by the first switch circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.