Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1990-09-18
1992-12-22
Ng, Jin F.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
340936, 340463, 340467, 340326, B60Q 100
Patent
active
051736810
ABSTRACT:
A visual warning system for a locomotive includes a light signal unit mounted on the body of a locomotive which is connected to a control module which provides for both manual and automatic energization of the lights. In the automatic mode, the lights are enabled at or above a predetermined speed and disabled when the locomotive is below the given speed. The light energization works in conjunction with other warning systems, particularly a locomotive horn.
REFERENCES:
patent: 4213115 (1980-07-01), Wetzel
patent: 4371864 (1983-02-01), Kawasaki
Kane Mark E.
Schockley James F.
Ng Jin F.
Oda Christine K.
Quantum Engineering Inc.
Yeager Arthur G.
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