Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent
1997-08-20
2000-01-25
Eisenzopf, Reinhard J.
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
H04B 118
Patent
active
060186496
ABSTRACT:
The invention relates to a radio receiver comprising a control circuit (7) for supplying coded messages derived from a radio signal to at least one memory arrangement (12, 28), for receiving control data derived from the coded messages which control data originate from at least one memory arrangement (12, 28), and for forming the messages from the control data in a form suitable for a visual display (13) and/or a voice output circuit (14). For providing a more flexible radio receiver, a reading device (16) for reading data of an external first memory arrangement (28), and a second memory arrangement (12) are coupled to the control circuit (7). The first memory arrangement (28) is used for storing control data for region-specific road or area categories and the second memory arrangement (12) is used for storing control data for supra-regional road or area categories which have each a respective class name.
REFERENCES:
patent: 5752177 (1998-05-01), Siegle et al.
patent: 5784691 (1998-07-01), Rugl
patent: 5819166 (1998-10-01), Kimura et al.
patent: 5913156 (1999-06-01), Ruhl
"Verkehrsfunk in Neuem Gewand" Funkschau Aug. 1992 I Spezial, pp. 22-26.
Eisenzopf Reinhard J.
Fuller Greta J.
Mannesmann VDO AG
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