Train warning system

Details Train warning system Train warning system

1995-08-21

1998-03-17

Swarthout, Brent A.

Communications: electrical

External condition vehicle-mounted indicator or alarm

340902, 340903, 246122R, G08G 100

Patent

active

057292132

ABSTRACT:
A compact railroad/highway crossing motorist warning device comprising; a rail track mounted pressure sensor switch assembly which timely activates and deactivates a radio frequency transmitter beacon located upon the crossbuck at the rail crossing, the beacon transmits recordable audio and video signals and: a series of mobile sympathetic radio signal receiver units, for highway motor in vehicle and in locomotive application, the in motor vehicle receiver is hardwired to the motor vehicle and the in locomotive receiver has an event recording means attached.

REFERENCES:
patent: 3758775 (1973-09-01), Hopkins
patent: 4207569 (1980-06-01), Meyer
patent: 4611198 (1986-09-01), Levinson et al.
patent: 4621252 (1986-11-01), Johns et al.
patent: 4942395 (1990-07-01), Ferrari et al.
patent: 5493642 (1996-02-01), Dunsmuir et al.
patent: 5554982 (1996-09-01), Shirkey et al.

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