Patent · US Expired

Digital color copying machine with color separation

US5132787A · kind A · utility

20Cited by
7References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 25, 1990
Grant dateJul 21, 1992
Priority date
Expiry dateSep 25, 2010

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N1/506
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A digital color copying machine preparing an image reproducing copy by applying color separation to an original image of an original and processing color component signals for each of the separated colors into recording information. With such a digital signal processing, the color copying machine of the present invention can increase the speed and efficiency of multiple copies and can provide a symmetric copy mode, a swap or inverting copy mode and a multiple image copy mode.

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