System for maintaining an orientation of characters displayed wi

Details System for maintaining an orientation of characters displayed wi System for maintaining an orientation of characters displayed wi

1982-03-02

1985-07-02

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340721, 340724, 340990, 340995, G09G 100, G09G 300

Patent

active

045271550

ABSTRACT:
A display of images on a screen which is installed in an automotive vehicle for displaying the driving direction and location of the automotive vehicle within a graphic pattern, such as a drive map, comprising: (a) a screen device; (b) a first memory unit in which data of a graphic pattern to be displayed on said screen device is stored; (c) a second memory unit in which at least one word and mark to be superimposed on the graphic pattern and those positional data on the graphic pattern are stored; (d) a signal generator which outputs a command signal to rotate the graphic pattern on said screen unit by an angle with respect to an original position; (e) a shift circuit which shifts the positions of all words and marks stored in said second memory unit to those rotated at the angle corresponding to the command signal from said signal generator; and (f) an image control unit which controls the display of graphic pattern rotated by the angle corresponding to the command signal from said signal generator on said screen unit and controls the superimposition of at least one word and mark stored in said second memory unit on the position of the graphic pattern shifted by said shift circuit.

REFERENCES:
patent: 2464057 (1949-03-01), Phair
patent: 3520994 (1970-07-01), McAfee et al.
patent: 3821729 (1974-06-01), Schultze
patent: 4138726 (1979-02-01), Girault et al.
patent: 4149148 (1979-04-01), Miller et al.
patent: 4312577 (1982-01-01), Fitzgerald
patent: 4317114 (1982-02-01), Walker
patent: 4360876 (1982-11-01), Girault et al.
patent: 4366475 (1982-12-01), Kishi et al.
patent: 4416066 (1983-11-01), Romacker

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