Patent ID: 6931234
Filing Date: 2005-08-16
Classification: G06K

Abstract:
1. A data processing device comprising: a plurality of connection terminals for establishing electric contact to receive signals and drive electric power, one of said connection terminals comprising a reset terminal; an antenna for receiving signals and drive electric power as a radio wave; data processing means switchable between a terminal mode for processing data based on an effective input signal applied to said connection terminals and an RF mode for processing data based on an effective input signal applied to said antenna, said data processing means being supplied with said signals and drive electric power from one of said connection terminals and said antenna depending on one of said terminal mode and said RF mode which is set; and mode switching means for setting said data processing means to said RF mode in response to a predetermined radio wave applied to said antenna and setting said data processing means to said terminal mode in response to a reset signal applied to said reset terminal.