Touch sensing apparatus and method thereof
US9146643B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 27, 2012 |
| Grant date | Sep 29, 2015 |
| Priority date | — |
| Expiry date | Oct 10, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0446
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
There are provided a touch sensing apparatus and a touch sensing method. The touch sensing apparatus includes: a panel unit provided with a plurality of electrodes; a sensing circuit unit detecting variations in capacitance in the plurality of electrodes; and a calculating unit determining a touch from the variations in capacitance, wherein the calculating unit applies different parameters for determining the touch to the plurality of individual electrodes. The parameters such as an integration time, a digital signal conversion time, and a driving signal application time are set differently according to positions in which the variations in capacitance are detected, driving efficiency may be improved and power consumption may be significantly reduced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.