Patent ID: 8499332

Claim:
Electronic card comprising a protected zone comprising a plurality of first electronic circuits, including a control circuit, said first circuits being distant from each other by at most a determined distance, the electrical links connected to the first circuits and transmitting the protected signals not becoming distant from said first circuits by more than said determined distance, and a non-protected zone comprising second electronic circuits that are distant from the first circuits by more than the determined distance or whose electrical links transmitting the protected signals are distant by more than said determined distance, wherein the protected zone comprises a communication circuit enabling a passage of signals between the first and second circuits, the passage of signals in the communication circuit being conditioned by an electrical control signal sent by the control circuit, wherein the electrical control signal is connected to an input port of the control circuit in such a manner as to be able to read an electrical status of the electrical control signal, the control circuit becoming blocked if a status present on the port does not correspond to a logical status imposed by the control circuit.