Railroad worker warning system for train conductors

Details Railroad worker warning system for train conductors Railroad worker warning system for train conductors

1998-04-29

2000-11-14

Morano, S. Joseph

Railway switches and signals

Cab signal or train control

Magnetic rail

246122R, 246124, B61L 300

Patent

active

061457922

ABSTRACT:
A warning system and method for warning a train operator that the train is approaching personnel at a railroad station includes a transmitter disposed at the railroad station for transmitting a radio frequency (RF) warning signal with a given power output. A receiver is disposed on the train for receiving the RF warning signal. The receiver generates an alarm to notify the train operator of the presence of the personnel at the railroad station upon receiving the RF warning signal. A transmitter is disposed on the train for transmitting an RF confirmation signal upon receipt of the RF warning signal by the receiver disposed on the train. A receiver disposed at the railroad station receives the RF confirmation signal. The receiver disposed at the railroad station generates an alarm to notify the personnel that the train operator is aware of the presence of the personnel at the railroad station upon receiving the RF confirmation signal.

REFERENCES:
patent: 2762913 (1956-09-01), Jepson
patent: 5303259 (1994-04-01), Loveall
patent: 5415369 (1995-05-01), Hungate
patent: 5461366 (1995-10-01), Figuereo et al.
patent: 5554982 (1996-09-01), Shirkey et al.
patent: 5572201 (1996-11-01), Graham et al.
patent: 5620155 (1997-04-01), Michalek
patent: 5727758 (1998-03-01), Penza et al.

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