Multicolor antiquation screen

Details Multicolor antiquation screen Multicolor antiquation screen

1997-05-27

1999-03-30

Spyrou, Cassandra

Optical: systems and elements

Absorption filter

Filters in optical parallel

355 32, 399221, 430 7, G02B 522

Patent

active

058896287

ABSTRACT:
An improved method for producing multicolor photographic images which resemble color photographs made prior to 1936. Light expressing a photographic image is passed through a transparent multicolor screen (20). Visual characteristics of the image are altered so as to produce darkened tonality, loss of acuteness, muting of hue, and a general sepia color cast.

REFERENCES:
patent: 3519423 (1970-07-01), Sharp
patent: 3672766 (1972-06-01), Levy
patent: 3925082 (1975-12-01), Fielding et al.
patent: 4179209 (1979-12-01), Goren
patent: 4362806 (1982-12-01), Whitmore
patent: 4463079 (1984-07-01), Gilmour et al.

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