CUSTOM ACCESSORY DEVICE FOR AN ELECTRONIC AND / OR COMPUTER APPARATUS, AND APPARATUS EQUIPPED WITH SUCH AN ACCESSORY DEVICE

摘要

The present invention relates to a device (100) accessory for an electronic device (102) and / or computer, said user, said user device (102) comprising: - at least one means (104) capacitive detection, and contactless, d at least one control object with respect to a control surface (106), and at least one means (108), referred to as the appliance guard, set to an alternating potential (VG), referred to as a guard, different from a potential, said mass, of said at least one control object, and substantially identical to the potential of said at least one capacitive detection means (104); said accessory device (100) comprising at least one means (110), said accessory guard, arranged to be set to a potential similar or identical to said alternating guard potential (VG) by coupling with said user device (102). It also relates to an apparatus (102) provided with such an accessory device.