Photographic method for the production of documents

Details Photographic method for the production of documents Photographic method for the production of documents

1984-12-20

1987-01-06

Broome, Harold

Facsimile and static presentation processing

Facsimile

Recording apparatus

358302, 355 79, H04N 121, H04N 123, G03B 2702

Patent

active

046351337

ABSTRACT:
Method for the photographic production of a document by simultaneously photographically copying a continuous tone image and a graphic data pattern with a single common exposure source, characterized in that continuous tone image is exposed to said light source and the thereby image-wise modulated light image is projected through a screen dividing the light-image in dots of varying size onto one area of a photographic material, and the graphic data is simultaneously exposed to said light source and the thereby pattern-wise modulated light is projected through a screen dividing the original halftone pattern in dots of substantially same size printing them within a dot percentage range of 50 to 99%.

REFERENCES:
patent: 3949159 (1976-04-01), Ricards et al.
patent: 4002829 (1977-01-01), Hutchison
patent: 4135212 (1979-01-01), Pngsley et al.
patent: 4496989 (1985-01-01), Hirosawa

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