Patent · US Expired

Apparatus for image registration

US5394223A · kind A · utility

29Cited by
12References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 17, 1992
Grant dateFeb 28, 1995
Priority date
Expiry dateAug 17, 2012

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/0163
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An apparatus for positional tracking a moving photoconductive belt and adjusting an imager in an electrophotographic printing machine to correct for alignment errors when forming a composite image. Registration errors are sensed by developing an appropriate set of target marks, detecting the target marks, and controlling the position of the imager.

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