Tactile and audible warning system for railroad workers

Details Tactile and audible warning system for railroad workers Tactile and audible warning system for railroad workers

1998-03-17

1999-07-20

Le, Mark T.

Railway switches and signals

Train-position indication

Train annunciators or indicators

246293, 246294, 246477, B61L 100

Patent

active

059246510

ABSTRACT:
A train warning system and method for warning personnel in proximity to railroad tracks of an approaching train includes a train sensor operable with the railroad tracks for detecting passage of a train over the railroad tracks at a given location. The train sensor generates a train sensor signal upon detecting passage of a train over the railroad tracks at the given location. A transmitter is operable with the train sensor for transmitting a warning signal upon receipt of the train sensor signal. A portable radio frequency (RF) receiver is carried by at least one of the personnel in proximity to the railroad tracks remote from the railroad tracks at the given location for receiving the warning signal transmitted by the transmitter. The portable RF receiver generates an alarm signal to notify the at least one of the personnel of the approaching train upon receipt of the warning signal.

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patent: 5727758 (1998-03-01), Penza et al.
patent: 5735491 (1998-04-01), Atkinson

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