Radio frequency identification reader antenna for inductive data communication, particularly for identification of vehicle key, is arranged on mother board, and has metallic barrier and electromagnetic coil

摘要

The radio frequency identification (RFID) reader antenna is arranged on a mother board (3), and has a metallic barrier and an electromagnetic coil (7). The electromagnetic coil is arranged between the metallic cover and the mother board. The metallic barrier has a ring or a circular layer of metal, and the ring or the circular layer of metal has a slot which is divided in a radial manner. Independent claims are also included for the following: (1) a starter lock, particularly for a motor vehicle (2) a key switch, particularly for a motor vehicle.