Navigation system with off-route detection and route recalculati

Details Navigation system with off-route detection and route recalculati Navigation system with off-route detection and route recalculati

1992-04-14

1994-04-12

Chin, Gary

Boots, shoes, and leggings

364444, 340990, 340995, G06F 1550

Patent

active

053031598

ABSTRACT:
A vehicle navigation system computes an optimal route for a journey. When the system detects that a vehicle has deviated from the optimal route, information that tells the driver of the deviation of the vehicle is displayed. When the driver turns on a recomputation command switch after reading the information, a new optimal route is computed, with the vehicle's present location as the new starting point. If the vehicle deviates again after computation of the new optimal route, another new optimal route is automatically recomputed, again with the vehicle's present location as the new starting point. The driver is thus freed from having to initiate the recomputation manually.

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patent: 5109344 (1992-04-01), Kakihara et al.
patent: 5159556 (1992-10-01), Schorter
patent: 5168452 (1992-12-01), Yamada et al.
patent: 5184303 (1993-02-01), Link

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