Automatic display system and process

Details Automatic display system and process Automatic display system and process

1978-09-18

1980-01-29

Trafton, David L.

Communications: electrical

Land vehicle alarms or indicators

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

40513, 340373, 340783, 358230, G09F 932

Patent

active

041863941

ABSTRACT:
An image display system and process are disclosed. The image display system comprises a generally flat display screen which is subdivided into a plurality of display mode modules, each display module being composed of a plurality of display elements. Each display element comprises at least one rectangular display cell wherein a projection block is movable between a retracted position, where it is invisibly lodged within the cell, and an advanced position, where it is visible from outside by the display's viewer. Each projection block is fixed to a slide movable in the two directions perpendicular to the front plane of the display. Means are provided to simultaneously actuate all slides in their retracting and their advancing movement. Stop means are provided between the sliders and the screen frame to stop the advancing movement of those sliders whose associated projection block is to remain in the interior of its cell so as to display a dark spot and means are provided to pre-set a new image behind the panel plane during the display of predetermined.

REFERENCES:
patent: 1049240 (1912-12-01), Janecek
patent: 1069582 (1913-08-01), Schaefer
patent: 1713213 (1929-05-01), Bissiri
patent: 1796030 (1931-03-01), Kell
patent: 3270447 (1966-09-01), Langdon
patent: 3460135 (1969-08-01), Gardner
patent: 3482344 (1969-12-01), Holloman
patent: 3486258 (1969-12-01), Mueller

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