Movement detecting system i.e. movement sensor, for wheel of motor vehicle, has high frequency transmission circuit linked to electronic reading circuit for receiving reading signal and sending high frequency signal to transmitting antenna

摘要

The system has a detector (S1) i.e. hall effect detector, detecting magnetic field produced in a metal part i.e. wheel, that requires to detect its movement. The detector sends an electronic detection signal to an electronic reading circuit (C1) that provides a reading signal. A high frequency transmission circuit (THF) is connected to the reading circuit for receiving the reading signal and sending a high frequency signal to a transmitting antenna (AN). A power supplying battery is connected with an output of a rectifier circuit (RE) by a battery charging circuit.