Apparatus and method for printing information onto a surface

Details Apparatus and method for printing information onto a surface Apparatus and method for printing information onto a surface

1977-01-28

1978-08-22

Miller, Jr., George H.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

346140R, 358296, H04N 576, G01D 1516, H04N 124

Patent

active

041092821

ABSTRACT:
A printing apparatus is provided which permits grey levels to be printed in response to coded electrical signals. The apparatus includes a writing head formed with an array of nibs. Each nib includes a duct formed with two passageways, one passageway for supplying clear ink to the paper and the other for supplying black ink to the paper. Means are provided for controlling the relative flow rates of the two inks in dependence upon input information so as to control the printed grey level in accordance with the information. The apparatus is particularly suited to providing a print of television signals.

REFERENCES:
patent: 1709926 (1929-04-01), Weaver
patent: 3476874 (1969-11-01), Loughren

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