Vehicle tracking system

Details Vehicle tracking system Vehicle tracking system

1986-09-02

1988-09-06

Kashnikow, Andres

Railway switches and signals

Train dispatching

Spacing

246122R, 246187B, 246 28R, 104295, B61L 2300, B61L 324

Patent

active

047687401

ABSTRACT:
A railway vehicle control system particularly, but not exclusively, suitable for controlling single track working. Transponders are located at fixed positions along the track such as at intersections, points and so on, and a vehicle is provided with sensors for detecting the transponders. A central control office supplies information concerning an identifying characteristic of the next transponders expected to be detected, when this happens the event triggers apparatus on the vehicle to communicate with the central office which then supplies information to identify the next transponder. The same sequence of events ensues as each successive transponder is passed. The transponders may be staggered alternately to opposite sides of the track for identification purposes. If the expected transponder is not detected but instead a different transponder is encountered, then a vehicle safety function such as the emergency brakes, may be brought into operation.

REFERENCES:
patent: 3250914 (1987-05-01), Reich
patent: 3772640 (1973-11-01), Auer, Jr. et al.
patent: 3787679 (1974-01-01), Birkin
patent: 3888437 (1975-06-01), Birkin
patent: 3933099 (1976-01-01), Sieb
patent: 3937432 (1976-02-01), Birkin
patent: 4038653 (1977-07-01), Brewster
patent: 4040053 (1977-08-01), Olsson
patent: 4361202 (1982-11-01), Minovitch
patent: 4550444 (1985-10-01), Vebel

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