Course guidance and display apparatus for vehicles

Details Course guidance and display apparatus for vehicles Course guidance and display apparatus for vehicles

1982-08-11

1985-09-24

Caldwell, Sr., John W.

Communications: electrical

Vehicle position indication

Map display

340988, 358103, 364460, G08C 112

Patent

active

045435782

ABSTRACT:
A course guidance apparatus for vehicles has a direction sensor and a speed sensor carried on the vehicle and a traveling locus corresponding to detection signals from the direction sensor and the speed sensor is plotted in a manner to be superposed on a map film and displayed on a projection screen. The traveling locus is traced by a laser beam on a trace plate having electrooptic, optomagnetic, or incoherent-to-coherent light conversion properties. The superposed picture is clearly viewed, and the misregistration between the map and the traveling locus is avoided.

REFERENCES:
patent: 3209645 (1965-10-01), Guttmann
patent: 3681752 (1972-08-01), Cuddihy
patent: 3781846 (1973-12-01), Eichelberger
patent: 4024493 (1977-05-01), Ingels
patent: 4061995 (1977-12-01), McCrickerd
patent: 4139889 (1979-02-01), Ingels
patent: 4158201 (1979-06-01), Smith
patent: 4314154 (1982-02-01), Minoura
patent: 4326218 (1982-04-01), Coutta
patent: 4347530 (1982-08-01), Stetson
patent: 4371893 (1983-02-01), Rabeisen
patent: 4390253 (1983-06-01), Lobb

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