System for selecting route-relevant information when using the r

Details System for selecting route-relevant information when using the r System for selecting route-relevant information when using the r

1993-07-29

1995-08-01

Eisenzopf, Reinhard J.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

4551862, 455345, 340905, 345157, A04B 1702, G08G 109

Patent

active

054386870

ABSTRACT:
Traffic Condition information is settled by actuating a key (15, 16, 17, 18) of a four-way toggle switch (8) of a radio receiver in order to specify a directional quadrant. The position (34) of the radio receiver is established by the computer (5), using program comparison and identification methods, and traffic conditions information relating to the selected directional quadrants (30, 31, 32, 33) is issued via an output device (11), for example visually by a display or acoustically via loudspeakers (10) with the aid of a voice synthesizer (7).

REFERENCES:
patent: 4862513 (1989-08-01), Bragas et al.
patent: 4893127 (1990-06-01), Clark et al.
patent: 5020143 (1991-05-01), Duckeck et al.
patent: 5065452 (1991-11-01), Duckeck et al.
patent: 5095532 (1992-03-01), Mardus et al.
patent: 5152012 (1992-09-01), Schwob
patent: 5182555 (1993-01-01), Summer
patent: 5193214 (1993-03-01), Mardus et al.
patent: 5214793 (1993-05-01), Conway et al.
patent: 5293163 (1994-03-01), Kakihara et al.
Peter Bragas, "With Traffic Guidance Systems Against Total Traffic Collapse," Man Forum magazine, Jan. 1991, pp. 26-29, published by M. A. N. Aktiengesellschaft, Munich, Germany.
Wadym Suchowerskyj, Vehicle Navigation and Information Systems in Europe, Proceedings of the International Congress on Transportation Electronics, pp. 210-215, Oct. 1990, Warrendale, Pa.

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