MICROPROCESSOR AND/OR MEMORY CARD PROVIDED WITH A DISPLAY

摘要

The invention relates to a memory and/or microprocessor (24) card (10) comprising: a plurality of keys (16) for introducing a personal code of the owner/user of the card, said personal code being stored in the memory of the card; a display (14) for displaying information; an acoustic emission module (22) emitting a characteristic audible sound signal when a key is correctly actuated; an electrical energy generator (20) for the power supply to the display (14), the acoustic emission module (22), and the memory and/or microprocessor (24); and means for ensuring that the display is only activated if the code inputted by the user is identical to the code stored in the card.