Mobile computer system for route planning, has optical and acoustic route- and city route-information, which contains memory unit, where system is switched on global navigation system and regional navigation system

摘要

The mobile computer system has an optical and an acoustic route- and city route-information, which contains a memory unit. A display unit is provided for the optical repetition of information, and a language module or an earphone device for the acoustic repetition of the information. An interface is provided for the portable radio-technical or bus interfaces connection the source of information for the memory unit. The computer system is switched on a global navigation system (4) and on a regional navigation system (6).