GROUND APPARATUS OF RAILWAY TRAIN CONTROL SYSTEM FOR SAFE OPERATION

摘要

The electronic control part(60) amplifies the data signal characteristic to the station in the 1st amplifier(61), provides the data to the modulator(63) where it is mixed with the oscillated frequency and is output by the intermediate frequency signal. It is amplified in the 2nd amplifier(64), filtered in the band pass filter(65) and transmitted to the antenna. From the antenna of the ground device the signal characteristic to the station is transmitted, the receiver installed in the engineer's room is operated, a warning message is output and the engineer is able to be informed of the brake time through his auditory sense.