Touch sensor with force sensor response normalization, and related method and apparatus
US10649595B2 · kind B2 · utility
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1References
18Claims
0Family size
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Key dates
| Filing date | Feb 28, 2018 |
| Grant date | May 12, 2020 |
| Priority date | — |
| Expiry date | Mar 27, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2203/04105
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In one embodiment, a touch screen device includes a controller, a force sensing layer, a cushion layer, and a reference layer. The controller includes a processor to determine a distance between the force sensing layer and the reference layer. The cushion layer is between the force sensing layer and the reference layer. The cushion layer may include a plurality of holes at selected locations devoid of material of which the cushion layer is made. The reference layer may include a plurality of raised areas at selected locations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.