Vehicle navigation system displaying bird-eye view of different

Details Vehicle navigation system displaying bird-eye view of different Vehicle navigation system displaying bird-eye view of different

1995-04-11

1998-03-24

Zanelli, Michael

Data processing: vehicles, navigation, and relative location

Navigation

Determination of travel data based on the start point and...

340995, G06F16500

Patent

active

057323852

ABSTRACT:
A vehicle navigation system includes: a key board (9) for setting a start point and a destination of a vehicle; a speed sensor (2) for detecting vehicle travel speed; an azimuth sensor (1) for detecting travel direction; a road map data memory (3) for storing road map data related to various roads; a display unit (8); and CPU (4) provided with functions for detecting a current vehicle position (CVP) on the basis of the detected speed and direction after the start point and in accordance with road map data; calculating a recommendable route from the start point to the destination on the basis of the road map data; and forming various birds-eye view road maps. In particular, the birds-eye view road maps of different visual points (E) and different contraction scale ratios can be formed according to vehicle travel speed or according to a distance from the current vehicle position to the nearest specific traffic point (e.g., intersection); that is, various birds-eye view road maps obtained from a suitable visual point and in a suitable contraction scale ratio can be displayed at all times according to the vehicle travel conditions.

REFERENCES:
patent: 5084822 (1992-01-01), Hayami
patent: 5121326 (1992-06-01), Moroto et al.
patent: 5161886 (1992-11-01), De Jong et al.
patent: 5371497 (1994-12-01), Nimura et al.

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