Electro-chromic display device

Details Electro-chromic display device Electro-chromic display device

1975-12-08

1977-02-08

Webster, Robert J.

Communications: electrical

Land vehicle alarms or indicators

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

58 50R, 58127R, 340324R, 340336, 313519, 313521, G02F 123

Patent

active

040069699

ABSTRACT:
In an electro-chromic display device having a display field, provision is made for showing a plurality of indicia in the same or overlapping regions, thereby increasing the range of indicia which can be displayed in a given area.

REFERENCES:
patent: 3096271 (1963-07-01), Hespenheide
patent: 3581138 (1971-05-01), Hendriks
patent: 3622224 (1971-11-01), Wysocki et al.
patent: 3781863 (1973-12-01), Fujita
patent: 3839857 (1974-10-01), Berets et al.
patent: 3854794 (1974-12-01), Van Dam et al.

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