System for preventing fraud in money card systems that are charged with monetary units and then used to pay for goods or services by use in a card reader, by preventing use of inductive contacts except when an access code is used
FR2790155A1
Communication terminal for electronic payment, such as electronic wallet, comprises resonant circuit, sinusoidal generator, receivers with sensors and BPSK synchronous demodulator
FR2790154A1
Terminal for contactless communication by induction with portable objects, comprising phase demodulation detector
FR2784483A1
METHOD FOR EXCHANGING DATA BETWEEN AN AUTOMATON AND A HANDHELD OBJECT, IN PARTICULAR A MICROCIRCUIT CARD, LIKELY TO BE DEBIT BY THE AUTOMATON IN REPLACEMENT OF THE DELIVERY OF GOODS OR SERVICES
FR2782209A1
Inductively-read transponder for access control or payment, switches in capacitor to detune resonant circuit if supply voltage derived from read signal is excessive
FR2777371A1
Method for indivisibily modifying a plurality of locations in the non-volatile memory of a microcircuit card
FR2777372A1
METHOD FOR WRITING AND READING THE CONTENT OF THE NON-VOLATILE MEMORY OF A MICROCIRCUIT CARD
FR2776444A1
CONTACTLESS COMMUNICATION SYSTEM USING AN INDUCTION METHOD BETWEEN A TERMINAL AND PORTABLE OBJECTS, INCLUDING MEANS OF FUNCTIONAL TEST OF THE TERMINAL
FR2773627A1
Improved method for managing collisions in a contactless data exchange system
