Patent · US Expired

Electrophotographic apparatus for making superposed images

US4803520A · kind A · utility

9Cited by
5References
53Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 31, 1985
Grant dateFeb 7, 1989
Priority date
Expiry dateOct 31, 2005

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/041
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An electrophotographic apparatus capable of synthesizing two images with a cleaner boundary. Two images are synthesized by forming two images in respectively designated areas, and cleaner boundary is obtained by erasing any image in the boundary zone of these two images.

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