Rotating data carrier with detection pad

摘要

The data carrier (10) has detection platelets (12), which consists of a chip (14) and a magnetic single-turn search coil (16). The single-turn search coil is arranged on a central non coated area of the data carrier. The detection plates are arranged on a plastic foil (18), which is stuck together with the data carrier. The single-turn search coil is coupled with an amplifier antenna, which is designed as a dipole antenna. The dipole antenna is arranged in a casing or packing of the data carrier.