Pedestrian unit, complete with a speed sensor, and bicycle

摘要

Feeding unit, comprehensivea treadmill (1),a chain leaf wave (3) connected to the tread-bearing shaft (1), anda speed sensor (4),marked by it,the speed sensor (4) is designed as a magnetic sensor; andthat the speed sensor (4) detects a permanent magnetic field (6) embedded in the body of the chain leaf wave (3).