Patent attributes
The invention relates to a wireless device, configured for ensuring authentication of a user, to a reference unit configured for ensuring authentication of a user of the wireless device and to a method for ensuring authentication of a user. The wireless device comprises a checking unit configured for scanning a distance to a reference unit and for checking if the distance scanned lies within a predetermined range such that authentication of the user is ensured. In this way, a wireless device is provided which is simple and cost-effective to realize and increases security by making sure that the rightful owner is available without the need of asking for PIN codes, passwords or other measures, such as biometric recognition, i.e. voice recognition, fingerprint recognition, retina recognition and the like.