Guard accessory device for an electronic and/or computer apparatus, and apparatus equipped with such an accessory device
US9798433B2 · kind B2 · utility
0Cited by
36References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 16, 2014 |
| Grant date | Oct 24, 2017 |
| Priority date | — |
| Expiry date | Jul 16, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K2217/960765
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An accessory device for use with an electronic user apparatus is disclosed. The electronic user apparatus includes at least one capacitive sensor for detection of at least one control object with respect to a control surface, and at least one apparatus guard placed at an alternating guard potential (VG), different from a ground potential of the at least one control object, and identical to a potential of the capacitive sensor. The accessory device includes at least one accessory guard capable of being set to the alternating guard potential (VG) by coupling with the electronic user apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.