Two-dimensional image read-out device

Details Two-dimensional image read-out device Two-dimensional image read-out device

1984-07-10

1987-02-03

Ciarlante, Anthony V.

Image analysis

Histogram processing

For setting a threshold

250211R, 250578, G06K 928

Patent

active

046413596

ABSTRACT:
A two-dimensional image read-out device comprising a photoconducting layer, a plurality of X stripe electrodes applied on one surface of the photoconducting layer and arranged parallel with each other, and a plurality of Y electrodes applied on the other surface of the photoconducting layer and arranged parallel with each other in a direction perpendicular to the X electrodes. Both the X and Y electrodes are made of electrically conductive material, and the X or Y electrodes through which light from an image enters are made of transparent or translucent material. The light-entering side of the two-dimensional image read-out device is covered with an opaque material which allows the passage of light only through the picture elements which are formed at the intersections of the X and Y electrodes.

REFERENCES:
patent: 4247874 (1981-01-01), Kos et al.
patent: 4431913 (1984-02-01), Sekimoto et al.

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