Communications: electrical – Vehicle position indication – Map display
Patent
1993-08-05
1994-12-06
Swarthout, Brent
Communications: electrical
Vehicle position indication
Map display
340990, 364449, G08G 1123
Patent
active
053714970
ABSTRACT:
A navigation system for vehicles, capable of exactly and quickly showing guide information to a driver when two intersections to be negotiated are close to each other, is provided. A destination is input by an input part and a route to the destination is calculated from a present position of a vehicle, calculated by a present position determiner, by a route calculator included in a calculation section. The calculated route is stored in a route memory. A route guide controller included in the calculation section reads map information around the vehicle, stored in a guide information memory within a map information storage section and superimposes the map information with the present position of the vehicle, a traveling direction and the route stored in the route memory to display the superimposed information on a display. When the vehicle approaches the intersection, the screen is changed with an intersection map, but, when a next intersection map is required, the next intersection map is drawn on the back screen and is displayed by changing the two screens after the vehicle passes through the first intersection.
REFERENCES:
patent: 4763270 (1988-08-01), Itoh et al.
patent: 4984168 (1991-01-01), Neukrichner et al.
patent: 4992947 (1991-02-01), Nimura et al.
patent: 5121326 (1992-06-01), Moroto et al.
patent: 5184123 (1993-02-01), Bremer et al.
Ito Toru
Kishi Hiroshi
Masuda Hiroyoshi
Nanba Akimasa
Nimura Mitsuhiro
Aisin Aw Co. Ltd.
Swarthout Brent
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