Mobile navigation system

Details Mobile navigation system Mobile navigation system

1997-10-24

1999-08-10

Zimmerman, Mark K.

Computer graphics processing and selective visual display system

Computer graphics processing

Adjusting level of detail

345439, 340995, 701209, 701212, G06T 1120

Patent

active

059366311

ABSTRACT:
In a mobile navigation system of the present invention, a route between two desired points can be easily recognized on any scale. The mobile navigation system includes a CD-ROM for storing map data therein, an operation panel on which a user performs operations, a vehicle position detecting unit for detecting a vehicle position, a CRT display for displaying a map image thereon together with route marks and a vehicle position mark, and a navigation controller for searching the most suitable guidance route from a departure spot to a destination. When a detailed map and a wide-area map are used, routes are respectively displayed by different methods by displaying large route marks in the detailed map and displaying small route marks in the wide-area map.

REFERENCES:
patent: 4675676 (1987-06-01), Takanabe et al.
patent: 4689747 (1987-08-01), Kurose et al.
patent: 4760531 (1988-07-01), Yasui et al.
patent: 5031104 (1991-07-01), Ikeda et al.

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