Touch panel input device and input detection method thereof
US9927928B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 7, 2014 |
| Grant date | Mar 27, 2018 |
| Priority date | — |
| Expiry date | Nov 11, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F17/16
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A touch panel input device and an input detection method thereof are provided. The touch panel input device including: a driving signal supplier which simultaneously applies a first driving signal and a second driving signal to at least two of the plurality of driving signal electrodes respectively, wherein the first and second driving signals include a plurality of pulses in a first interval and a second interval respectively, wherein, in one of the first and second intervals, the plurality of pulses of the second driving signal is applied differently from the plurality of pulses of the first driving signal; and a signal sensor receiving sensing signals including information on capacitances of at least two of the plurality of the node capacitors from the plurality of sensing signal electrodes in the first and second intervals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.