Map information displaying apparatus, navigation apparatus and p

Details Map information displaying apparatus, navigation apparatus and p Map information displaying apparatus, navigation apparatus and p

1997-09-10

1999-11-02

Oen, William

Measuring and testing

Navigation

Take-off and landing monitors

701210, 364449, G01C 2100

Patent

active

059748761

ABSTRACT:
A navigation apparatus displays a map so as to support a travel of a movable body. A map information displaying apparatus in the navigation apparatus is provided with: a character data extracting device for extracting character data corresponding to characters from map data corresponding to the map; a map data converting device for converting the map data, which does not include the character data, to a bird's-eye view which is a one-point perspective projection view in which a topography corresponding to the map data is seen from one point in a sky, and outputting bird's-eye view map data indicating the bird's-eye view of the converted map data; a character data converting device for converting the extracted character data to the bird's-eye view, and outputting bird's-eye view character data indicating the bird's-eye view of the converted character data; a synthesizing device for synthesizing the outputted bird's-eye view character data and the outputted bird's-eye view map data corresponding to the bird's-eye view character data with each other, and generating the synthesized bird's-eye view character and map data; and a displaying device for displaying a synthesized bird's-eye view corresponding to the synthesized bird's-eye view character and map data generated by the synthesizing device.

REFERENCES:
patent: 4679147 (1987-07-01), Tsujii et al.
patent: 4970652 (1990-11-01), Nagashima

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