Cover accessory device for a portable electronic and/or computer apparatus, and apparatus provided with such an accessory device
US11231749B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 6, 2020 |
| Grant date | Jan 25, 2022 |
| Priority date | — |
| Expiry date | Oct 6, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2250/22
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a device (100) for a portable user apparatus (102), including a portion (104) which can be folded over the user apparatus (102), said foldable portion (104) including at least two detection layers, each kept at a reserve potential and including at least one capacitive detection electrode: a first of said layers being arranged to carry out a function of capacitive detection of at least one control object located on one side of said foldable portion (104); a second of said layers being arranged so as to carry out a function of capacitive detection of at least one control object located on the other side of said foldable portion (104), with a view to triggering a function in the user apparatus (102). The invention also relates to an apparatus (10) provided with such an accessory device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.