Driving simulation apparatus capable of scrolling at optimum spe

Details Driving simulation apparatus capable of scrolling at optimum spe Driving simulation apparatus capable of scrolling at optimum spe

1996-07-25

1998-07-07

Ruggiero, Joseph

Boots, shoes, and leggings

3641671, 340990, 340991, 340992, 340995, 701 26, 701211, G05B 902

Patent

active

057778752

ABSTRACT:
In a driving simulation apparatus for executing route retrieval on the basis of digital map data obtained by digitizing a road network, displaying the route so retrieved on a display unit and scrolling the map while tracing the route so displayed for simulation driving, the scrolling speed is changed in accordance with a reduced scale of the map displayed. When a wide area map is displayed, for example, an updating distance becomes long and when a detailed map is displayed, the updating distance becomes short. Therefore, even when the wide area map is displayed, the scrolling speed on the screen of the display unit does not become slow, and a long time is not necessary even when long distance retrieval is made.

REFERENCES:
patent: 4520506 (1985-05-01), Chan et al.
patent: 4972319 (1990-11-01), DeLorme
patent: 5030117 (1991-07-01), DeLorme
patent: 5412573 (1995-05-01), Barnea et al.
patent: 5470233 (1995-11-01), Fruchterman et al.
patent: 5559707 (1996-09-01), DeLorme et al.

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