Patent · US Expired

Method for creating multicolored halftone reproductions from continuous tone monochrome originals

US5297058A · kind A · utility

16Cited by
10References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 15, 1992
Grant dateMar 22, 1994
Priority date
Expiry dateDec 15, 2012

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N1/465
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.