Railway crossing collision avoidance system

Details Railway crossing collision avoidance system Railway crossing collision avoidance system

1996-07-15

1997-12-23

Morano, S. Joseph

Railway switches and signals

Electric automatic highway signals, mine doors, and gates

246122R, 246126, 2464731, 340902, 340903, 340904, B61L 2900

Patent

active

056999860

ABSTRACT:
With the vehicle anti-collision system of the present invention, road vehicles in the vicinity of a railway crossing are alerted as a train approaches the crossing. A signalling device operating in conjunction with a GPS receiver located in the train emits a signal to a receiver located at the railway crossing to provide an indication of the rail vehicle's location with respect to the railway crossing. The signal is sent continuously at predetermined intervals to provide the railway crossing with sufficient data to estimate the velocity and time of arrival of the train or railway vehicle at the crossing. The railway crossing processes the information and transmits an alarm signal to approaching road vehicles as the rail vehicle approaches the crossing. The signal emitted by the crossing is received at the road vehicle which provides various levels of alarms depending on how close the rail vehicle is to the crossing.

REFERENCES:
patent: 3777139 (1973-12-01), Peel
patent: 3929307 (1975-12-01), Geiger
patent: 4120471 (1978-10-01), Auer
patent: 4723737 (1988-02-01), Mimoun
patent: 4942395 (1990-07-01), Ferrari et al.
patent: 5070320 (1991-12-01), Ramono
patent: 5554982 (1996-09-01), Shirkey et al.

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