Patent · US Expired

Separation charger control for electro-photographic apparatus

US5182603A · kind A · utility

11Cited by
8References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 10, 1991
Grant dateJan 26, 1993
Priority date
Expiry dateMay 10, 2011

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/0131
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A separation charger is acts on a transfer sheet after an image is transferred onto the sheet for a predetermined number of times at an ouput corresponding to the number of times the image is transferred onto the transfer sheet of a transfer drum. An image forming apparatus forms a high quality image by correcting the ouput of the transfer charger and seperation charger based on the humidity and type of copy sheet detected.

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