PASSENGER TRAIN SAFETY CONTROL AND COMMUNICATION SYSTEM Russian patent published in 2008 - IPC B61L25/00 H04B7/26 

FIELD: transportation, safety systems.

SUBSTANCE: system incorporates a central control system, at least, one basic DECT station connected to two antennas. Also, every passenger car is furnished with a device to transmit emergency signals from the car alarm signalling system, at least, one portable conductor's terminal, at least one repeater and, at least, one antenna fitted on the car, the aforesaid device being connected to the radio transmission socket input. The said socket output is connected to the first input of an additional high-frequency adder, its second input being connected to the repeater. The high-frequency adder output is connected to the antenna fitted on the car. The device incorporates also the car ID parameters and is designed to transmit data received from the alarm signalling system to the conductor's portable terminal and, further on, to the central control system.

EFFECT: car location and state control.

8 cl