Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1988-10-13
1991-01-08
Brier, Jeffery A.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
3408151, 34081527, G09G 334
Patent
active
049839560
ABSTRACT:
A display having a matrix of back-illuminated electromagnetically operated pixels. The display may be switched, by means of a movable light-passing sheet, between first and second modes of operation. In the first mode, the display is monochromatic and has a high resolution. In the second mode, color images are displayed but at a lower resolution.
REFERENCES:
patent: 4163332 (1979-08-01), Salam
patent: 4742632 (1988-05-01), Salam
patent: 4819357 (1989-04-01), Salam
Brier Jeffery A.
Unisplay S.A.
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