Detecting method for touch panel and detection circuit thereof
US10795489B2 · kind B2 · utility
Assignees
Inventor
Key dates
| Filing date | Nov 10, 2016 |
| Grant date | Oct 6, 2020 |
| Priority date | — |
| Expiry date | Nov 10, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2203/04108
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A detecting method for a touch panel is disclosed. The sensing electrode of the detecting method is indirectly and repeatedly charged several times via the charge holding capacitor circuit to reach a certain higher voltage. The driving electrode is switched to the first voltage or the second voltage under the cooperation of the driving circuit when several measuring cycle is conducted. After the voltage is switched every time, several measured values of different situations are obtained rapidly so as to eliminate the noise to get the best signal via several measured values. There is only to wait the balancing time in the measuring cycle, which effectively shortens the reaction time of the touch detecting.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.