Monitor system for construction vehicles

Details Monitor system for construction vehicles Monitor system for construction vehicles

1977-01-14

1978-10-10

Caldwell, Sr., John W.

Communications: electrical

Selective

Having indication or alarm

325 47, 325117, 340524, 340539, G08B 2100, H04Q 145

Patent

active

041199430

ABSTRACT:
A monitor system for construction vehicles comprises a plurality of sensors provided on each of the vehicles and each being for a different one of check points of the vehicle. A sensor provided on each of the vehicles transmits a one-channel signal indicating an abnormal condition occurred at at least one of the sensors and a monitor station responsive to the signal transmitted from at least one of the vehicles identifies the abnormal condition and the vehicles on which the latter occurs.

REFERENCES:
patent: 3641539 (1972-02-01), Lesher
patent: 3689888 (1972-09-01), Wootton
patent: 3720911 (1973-03-01), Bomar, Jr.
patent: 3757315 (1973-09-01), Birchfield et al.
patent: 3792455 (1974-02-01), Phillips
patent: 3806921 (1974-04-01), Pappas
patent: 4058802 (1977-11-01), Meyers

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