Method of reproducing graphic material on an intaglio form

Details Method of reproducing graphic material on an intaglio form Method of reproducing graphic material on an intaglio form

1979-02-09

1981-09-01

Konick, Bernard

Facsimile and static presentation processing

Facsimile

Recording apparatus

H04N 122

Patent

active

042875374

ABSTRACT:
Copy to be transferred to an intaglio form for printing is first photolithographically reproduced as a basic discontinuous-tone image which is then photoelectrically scanned and converted into a dot pattern by computerized engraving of an intaglio-printing surface. The engraving may be carried out mechanically or by inscribing the dot pattern on a film with the aid of a laser and then projecting it onto a pigment carrier to produce a latent image upon which a blurred halftone replica of the basic image is superimposed to extend the tonal range by selectively deepening the pits subsequently etched into the printing surface.

REFERENCES:
patent: 2925464 (1960-02-01), Raible
patent: 3461229 (1969-08-01), Oppenheimer
patent: 3961132 (1976-06-01), Landsman
patent: 4108659 (1978-08-01), Dini

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