Traffic information transmitter for motor vehicles - uses existing mobile radio network with vehicle-mounted electronic equipment to display information

摘要

Data are transmitted from a central collection point (1) via a transmitter (4) and vehicle antenna (5) to a motor vehicle (2). The vehicle contains a car telephone (3,6), signal processor (7) and a display (8). Pref., the display shows traffic direction in colour, with symbols for snow, ice, rain, fog, etc.; and facilities provide enlargement of details at various levels is local, regional maps. ADVANTAGE - Requires no special transmission channels.