Method, touch sensing apparatus and computer-readable recording medium for minimizing noise on touch panel
US9223437B2 · kind B2 · utility
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6Claims
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Key dates
| Filing date | Mar 12, 2013 |
| Grant date | Dec 29, 2015 |
| Priority date | — |
| Expiry date | Oct 4, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2250/22
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Disclosed is a method for minimizing noise on a touch panel including a plurality of drive lines and a plurality of sensing lines, wherein the drive lines and the sensing lines cross each other, the method including: performing a dummy scan to sense a signal from the sensing line in a state where a driving signal is not applied to the drive line; and comparing a threshold with a magnitude of a signal obtained through the dummy scan, and estimating noise in a first frequency band, i.e., a frequency of the driving signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.