Video system for plotting and transmitting video traffic informa

Details Video system for plotting and transmitting video traffic informa Video system for plotting and transmitting video traffic informa

1981-02-23

1983-08-09

Swann, III, Glen R.

Communications: electrical

Selective

Having indication or alarm

340720, 340734, G08G 109

Patent

active

043981712

ABSTRACT:
A video system for assisting automobile traffic is provided. Radio frequency signals concerning traffic flow and build-up are transmitted to a receiver unit contained within a motor vehicle. The receiver unit contains road map information stored in a memory and only information relating to traffic flow is transmitted. The receiver superimposes the traffic flow information with the map information to produce a composite image of traffic conditions. The traffic flow informationis updated and stored in a memory while obsolete information is blanked out so that current traffic information may be presented to the viewed.

REFERENCES:
patent: 3466598 (1969-09-01), Cruger et al.
patent: 3537096 (1970-10-01), Hatfield
patent: 3899662 (1975-08-01), Kreeger et al.
patent: 3988533 (1976-10-01), Mick et al.
patent: 4317114 (1982-02-01), Walker

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