| 摘要 |
The in vehicle traffic and route information system has input from a global positioning system, GPS, (4) and a radio receiver decoder (5), both of which provide input to a microprocessor (2). The radio provides traffic data information regarding current travelling conditions this stored (2.2) and is used together with map data (2.3) to establish (2.3) the most appropriate route to get to the specified destination. Warnings are generated of any road obstructions
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