Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards; also with resonating or responding marks without active components
the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
the arrangement being a circuit for emulating a plurality of record carriers, e.g. a single RFID tag capable of representing itself to a reader as a cloud of RFID tags
