Devices for making electric charge images visible

Details Devices for making electric charge images visible Devices for making electric charge images visible

1986-12-17

1988-04-19

Evans, Arthur G.

Recorders

Printing, dotting, or punching marker

Ink transfer support or moving means

355 3EH, G01D 1510

Patent

active

047393491

ABSTRACT:
For displaying "electric" images recorded in the form of charges (+) on a dielectric sheet (1), this sheet is surrounded by two electrodes (2,3) one (3) of which is transparent, on the face of this latter turned towards the dielectric sheet is provided a layer (4) of an electroluminescent material held spaced at a small distance from said sheet, this sheet is caused to vibrate perpendicularly to itself (arrows F) and the image developed at the level of the layer (4) by the alternating electric charges generated by the vibrating charges is recorded on a photographic support (5).

REFERENCES:
patent: 4571603 (1986-02-01), Hornbeck et al.
patent: 4672399 (1987-06-01), Dahlquist

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