Patent ID: 9530261
Filing Date: 2016-12-27
CPC Classification: B60R,G07C

Claim Text:
1. A method for triggering, by means of an RFID reader ( 5 ) endowed with a transmitting antenna ( 6 ), a procedure for actuating a means for locking/unlocking access doors ( 2 ) of a motor vehicle ( 1 ), comprising arranging a coil ( 7 ) in a vicinity and in a field of action of the transmitting antenna ( 6 ), and: in commanding the RFID reader ( in measuring, upon each pulse, a value representative of an electrical voltage at terminals of the coil ( and in triggering the procedure for actuating the locking/unlocking means in the event of a variation in the measured values is greater than a determined value, wherein evolution of a phase shift between a signal representative of a current in the transmitting antenna (