Patent · US Expired

Predictive toner dispenser controller

US4974024A · kind A · utility

22Cited by
14References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 3, 1989
Grant dateNov 27, 1990
Priority date
Expiry dateJul 3, 2009

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/5041
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An apparatus which controls the dispensing of marking particles into a developer unit used in an electrophotograhic printing machine adapted to reproduce a copy of an original document. The quantity of marking particles required to reproduce the copy of the original document is predicted and the dispensing of marking particles controlled in response thereto.

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