Free hand access for cars

摘要

The invention relates to a free hand access system (2) for motor vehiclesA portable electronic identifier having at least one mark () on the motor vehicle and capable of communicating with the module () 4) using the radio communication channel as the user to determine the location of the module () 4Access and / or start-up functions of motor vehicles are permitted or not allowed according to their position relative to the authorized area surrounding the motor vehicle (3). According to the inventionThe at least one beacon () includes a communication antenna having a directional radiation pattern (() 10).