Touch display device and touch circuit for sensing an active pen touch and finger touch
US11275464B2 · kind B2 · utility
1Cited by
0References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 16, 2020 |
| Grant date | Mar 15, 2022 |
| Priority date | — |
| Expiry date | Sep 16, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2203/0382
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Provided are a touch display device and a touch circuit that can effectively simultaneously sense a plurality of pens in a predetermined touch frame time (a driving time) by simultaneously performing sensing of pen information and sensing of a pen position using pen data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.