Map displaying apparatus

Details Map displaying apparatus Map displaying apparatus

1998-08-28

2000-11-07

Louis-Jacques, Jacques H.

Data processing: vehicles, navigation, and relative location

Navigation

Employing position determining equipment

701208, 701211, 701209, 340988, 340990, 340995, 345353, 345357, G01C 2100, G06G 778

Patent

active

061449202

ABSTRACT:
A map displaying apparatus comprises a displaying device for displaying a map, a map storing device for storing data of multiple maps showing predetermined areas with different scales, a facility storing device for storing data of facilities located in respective positions on the maps, a facility category selecting device for selecting a category of facility to be displayed on the displaying device, and a display controlling device for displaying one of the maps having different scales on the displaying device and for displaying facilities selected in their respective positions on the displayed map. The map displaying apparatus also includes a map scale controlling device for changing the scale of the map displayed on the displaying device so that the number of facilities displayed on the map is kept below a predetermined upper limit.

REFERENCES:
patent: 5784059 (1998-07-01), Morimoto et al.
patent: 5825306 (1998-10-01), Hiyokawa et al.
patent: 5884218 (1999-03-01), Nimura et al.
patent: 5908465 (1999-06-01), Ito et al.

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