Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent
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).
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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.
Braegas Peter
Kaesser Jurgen
Suchowerskyj Wadym
Charouel Lisa
Eisenzopf Reinhard J.
Robert & Bosch GmbH
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