Fast scanning for mutual capacitance screens
US9804722B2 · kind B2 · utility
0Cited by
12References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 1, 2016 |
| Grant date | Oct 31, 2017 |
| Priority date | — |
| Expiry date | Mar 1, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/041662
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In one embodiment, an apparatus for detecting a touch. The apparatus includes a touch sensor that includes a first plurality of electrode lines and a second plurality of electrode lines. The apparatus also includes a touch sensor controller coupled to the touch sensor. The touch sensor controller is operable to apply a respective voltage pulse simultaneously to each of the first plurality of electrode lines, measure a respective signal at each of the second plurality of electrode lines, and detect a touch based on the measurement of the respective signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.