Planar raster scan display with gas discharge shift registers

Details Planar raster scan display with gas discharge shift registers Planar raster scan display with gas discharge shift registers

1974-11-04

1976-04-27

Britton, Howard W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

178 73D, 313188, 315169TV, H04N 544

Patent

active

039538869

ABSTRACT:
A two-dimensional planar display device includes a plurality of plasma discharge shift registers positioned along rows of a display matrix. An additional shift register positioned along one column at the edge of the display matrix causes a plasma discharge to be transferred to the beginning of each successive row shift register. By transferring a discharge along each position in successive rows, a discharge is propagated in a two-dimensional scanned manner over the face of the display matrix. By suitably modifying the level of the propagating signals in accordance with an applied video signal, the brightness of the scanned discharge is modulated to produce a variable gray scale image.

REFERENCES:
patent: 3733435 (1973-05-01), Chodil
patent: 3765011 (1973-10-01), Sawyer
patent: 3771008 (1973-11-01), Chen
patent: 3798502 (1974-03-01), Ngo
patent: 3821721 (1974-06-01), Hughes
patent: 3863023 (1975-01-01), Schmersal
patent: 3866209 (1975-02-01), Weimer

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