Sensor filter for calibrating a touch system
US11635851B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | Jun 13, 2019 |
| Grant date | Apr 25, 2023 |
| Priority date | — |
| Expiry date | Jun 13, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2203/04108
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Calibration signals are transmitted across a touch panel in order to establish a baseline heat map. The touch panel may have a variety of differently transmitted frequencies and or patterns of signals that are able to help establish a baseline heat map upon which future touch events can be compared in order to improve characteristics of the receipt of the touch events by, for example, improving the ability to determine coupling.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.