Vehicle identification and position signalling system in a publi

Details Vehicle identification and position signalling system in a publi Vehicle identification and position signalling system in a publi

1980-03-31

1982-09-21

Groody, James J.

Communications: electrical

Selective

Having indication or alarm

340 32, 364460, 455 38, 455 49, 455 99, G08G 112, G08C 2100

Patent

active

043509690

ABSTRACT:
Each vehicle of a transportation system is provided with a radio transmitter providing electable and different sequences of signals, one part of the signal identifying the vehicle, and another changing sequence of signals, either under operator control or automatically by attachment to the odometer, to indicate the present position of the vehicle on a scheduled route. The home of a passenger desirous of meeting a particular vehicle at a particular pickup point is provided with a radio receiver with selectable detectors which can be set to detect the signals from a particular vehicle transmitter, and provide a visual or audible indication of the present position of the vehicle on the scheduled route. Pre-specified settings of the receiver, and corresponding detectable signals, inform a passenger of no service or delayed service.

REFERENCES:
patent: 3644883 (1972-02-01), Borman et al.
patent: 3886515 (1975-05-01), Cottin et al.
patent: 4220946 (1980-09-01), Henriot
patent: 4229724 (1980-10-01), Marcus

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