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Machine translation
1. (WO1992004800) A METHOD FOR CREATING MULTICOLORED HALFTONE REPRODUCTIONS FROM CONTINUOUS TONE MONOCHROME ORIGINALS
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1992/004800    International Application No.:    PCT/US1991/006131
Publication Date: 19.03.1992 International Filing Date: 27.08.1991
Chapter 2 Demand Filed:    02.03.1992    
IPC:
H04N 1/46 (2006.01)
Applicants: E.I. DU PONT DE NEMOURS AND COMPANY [US/US]; 1007 Market Street, Wilmington, DE 19898 (US) (For All Designated States Except US).
SAMWORTH, Mark, Richard [US/US]; (US) (For US Only)
Inventors: SAMWORTH, Mark, Richard; (US)
Agent: GRIFFITHS, John, E.; E.I. du Pont de Nemours and Company, Legal/Patent Records Center, 1007 Market Street, Wilmington, DE 19898 (US)
Priority Data:
573,072 29.08.1990 US
Title (EN) A METHOD FOR CREATING MULTICOLORED HALFTONE REPRODUCTIONS FROM CONTINUOUS TONE MONOCHROME ORIGINALS
(FR) PROCEDE DE CREATION DE REPRODUCTIONS EN DEMI-TONS MULTICOLORES A PARTIR D'ORIGINAUX MONOCHROMES A TON CONTINU
Abstract: front page image
(EN)This invention relates to a method for generating halftone images from monochrome original images and, more particularly, to a method for reproducing a monochrome original image using at least two different colorants to create an image having a preselected hue and chroma while substantially maintaining the same lightness as in the monochrome original image.
(FR)Procédé de production d'images en demi-ton à partir d'images originales monochromes et notamment procédé de reproduction d'une image originale monochrome à l'aide d'au moins deux colorants différents afin de créer une image ayant une teinte et une saturation de couleurs présélectionnées tout en maintenant la même clarté que l'image originale monochrome.
Designated States: CA, JP, US.
European Patent Office (AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LU, NL, SE).
Publication Language: English (EN)
Filing Language: English (EN)