G - Physics – 08 – B
Patent
G - Physics
08
B
G08B 29/12 (2006.01) B60Q 11/00 (2006.01) G08B 5/38 (2006.01) H05B 37/03 (2006.01)
Patent
CA 2336273
To reduce or eliminate difficulties inherent in manual reporting of signal light failures, especially at remote railroad grade crossings, there is provided, in one embodiment of the present invention, a system for monitoring failure of a lighted signal that includes lighting configured to flash during a predetermined alarm condition. The system includes a power supply configured to power the lighting during the predetermined alarm condition and to provide a timing signal indicative of power being applied to the lighting; a detector/transmitter responsive to the timing signal to detect lighting parameters when the lighting is flashed on to generate a signal indicative of the lighting parameters and to generate a signal indicative of the lighting parameters; and a receiver/concentrator responsive to the signal indicative of the lighting parameters to generate a signal indicative of predetermined fault conditions of the lighting.
Labarge Inc.
Labarge-Ocs Inc.
Osler Hoskin & Harcourt Llp
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