US Patent 9250757 Switched-electrode capacitive-measurement device for touch-sensitive and contactless interfaces

The present invention relates to a capacitive-measurement device for touch-sensitive and/or contactless interfaces, including at least one capacitive-measurement electrode and electrode-switching unit capable of electrically connecting the at least one electrode, either to a capacitive-measurement unit or to a guard potential, the at least one capacitive-measurement electrode and the electrode-switching unit being provided on a single detection surface according to a technique for manufacturing planar electronic components. The invention also relates to an apparatus implementing the device.