Patent · US Expired

Image forming apparatus supplied with controllable bias voltage

US5177549A · kind A · utility

36Cited by
6References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 15, 1991
Grant dateJan 5, 1993
Priority date
Expiry dateMay 15, 2011

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/2064
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An image fixing apparatus for fixing a toner image on a recording material includes a pair of rotatable members for forming a nip through which the recording material is passed; and bias voltage applying source for applying a bias voltage to at least one of the rotatable members, wherein the bias voltage is automatically changed in accordance with change of an ambient condition.

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