Patent · US Expired

Color image forming apparatus for use with a recording medium having a laterally extending registration mark

US5245396A · kind A · utility

3Cited by
7References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 6, 1992
Grant dateSep 14, 1993
Priority date
Expiry dateMar 6, 2012

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/0142
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A color image forming apparatus of the type recording a register mark on a recording medium for registering the leading edges of images of respective colors to form a color image. The apparatus forms the register mark on the medium outside of the effective area of a main image and such that the mark extends perpendicular to an intended direction of medium feed. The register mark is developed in cyan and in the highest density to insure accurate register of colors. The register mark is cut off together with the leading edge of the medium.

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