Patent ID: 8390427

Claim:
A reader device comprising: a reader antenna for reading data from a transponder module via an electromagnetic field, a processing unit configured to control the reading of the data from the transponder module; and an antenna connection element connecting electrically the reader antenna to the processing unit; wherein the reader device further comprises: a user interface unit connected to the processing unit through the antenna connection element and including at least one of a data output part and a data input part, the data output part comprising a demodulator configured to demodulate reader data received via uplink transmission, from the processing unit via the antenna connection element to the user interface unit, and the data output part being configured to output the reader data, and the data input part being configured to receive from a user, user data via a data entry element, and the data input part comprising a modulator configured to modulate the user data for downlink data transmission, from the user interface unit via the antenna connection element to the processing unit.