Patent · US Expired

Image forming apparatus with a toner density control device

US5124751A · kind A · utility

28Cited by
8References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 13, 1991
Grant dateJun 23, 1992
Priority date
Expiry dateMay 13, 2011

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/556
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An image forming apparatus using a dual component developer. The apparatus comprises a first detection device for detecting a toner density of the developer; a second detection device for detecting an amount of a used toner; a determination device for determining an amount of the toner to be supplied in accordance with the toner density detected by the first detection means; and a revision device for revising the amount of the toner to be supplied determined by the determination means in accordance with the amount of used toner detected by the second detection means.

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