Touch apparatus and touch detection method thereof
US11269441B2 · kind B2 · utility
5Cited by
3References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 11, 2020 |
| Grant date | Mar 8, 2022 |
| Priority date | — |
| Expiry date | Jun 11, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/04166
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A touch device according to an exemplary embodiment includes: a plurality of touch electrodes; and a driver/receiver that applies driving signals, each having a frequency corresponding to a resonance frequency of a stylus pen, to the plurality of touch electrodes, and receives detection signals from the plurality of touch electrodes, wherein the driving signals may include a first driving signal and a second driving signal, each having a different phase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.