Electronic display device for use in motor cars

Details Electronic display device for use in motor cars Electronic display device for use in motor cars

1979-07-25

1981-10-06

Trafton, David L.

Communications: electrical

Selective

Having indication or alarm

340706, 368 6, 368 10, G08B 1900

Patent

active

042938422

ABSTRACT:
An electronic display device for use in a motor car wherein the contents of the display are determined by the respective positions of a manually operated switch and the ignition switch is disclosed. A control circuit detects the respective positions of the two switches and thereby determines the data to be displayed.

REFERENCES:
patent: 3566401 (1971-02-01), Smith et al.
patent: 3626367 (1971-12-01), Howard et al.
patent: 3816730 (1974-06-01), Yamamoto et al.
patent: 4022017 (1977-05-01), Aoki et al.
patent: 4033108 (1977-07-01), Bennett et al.
patent: 4035627 (1977-07-01), Dickinson et al.
patent: 4047010 (1977-09-01), Perotto et al.
patent: 4140996 (1979-02-01), Leitch et al.

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