| 摘要 |
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. |
