Method and device for emulating multiple rfid tags within a single mobile electronic device

The present invention provides a method for emulating a plurality of RFID tags to one RFID tag question device, It is each data set here where 1 or a data set beyond it is stored, Above 1 or a list of data sets beyond it which defines the characteristic on operation of a RFID tag is held, The question which shows one data set in the list as an active data set and which receives a question from the RFID tag question device is answered, Operation of a RFID tag is emulated according to an active data set, and it has a step for another data set in the list to be shown [and] as an active data set. In order to emulate a plurality of RFID tags to one RFID tag question device, A circuit which can be constituted in order to emulate operation of one RFID tag, It is each data set [suitable for storing 1 or a data set beyond it, above 1, or a list of data sets beyond it / a memory and here], Define the characteristic on operation of a RFID tag and it is one data set in the list here, It is the controller [where it was connected to the circuit and the memory / a controller and here] where it is shown as an active data set, Since it has 、 which suits so that it may start by the question from the RFID tag question device and the circuit is constituted according to the active data set, a device for another data set in the list to be shown as an active data set is provided. A portable electronic devide which has this device is provided.