Method and apparatus for searching for route

Details Method and apparatus for searching for route Method and apparatus for searching for route

1990-03-30

1991-08-20

Chin, Gary

Boots, shoes, and leggings

340990, 340995, G06F 1550

Patent

active

050419838

ABSTRACT:
There are disclosed an apparatus and a method for searching for the optimum route to be followed by a vehicle. The apparatus comprises a memory storing road maps, a keyboard having keys, and a microcomputer. The driver of the vehicle specifies a starting point and a destination in a network of roads displayed on a color CRT. Then, the microcomputer searches the network for a route which connects the starting point to the destination at the shortest distance.

REFERENCES:
patent: 4301506 (1981-11-01), Turco
patent: 4546439 (1985-10-01), Esparza
patent: 4570227 (1986-02-01), Tachi et al.
patent: 4757455 (1988-07-01), Tsunoda et al.
patent: 4796189 (1989-01-01), Nakayama et al.
patent: 4878170 (1989-10-01), Zeevi
patent: 4926336 (1990-05-01), Yamada
patent: 4937753 (1990-06-01), Yamada

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