Patent · US Expired

Image forming method and device

US6144394A · kind A · utility

0Cited by
5References
19Claims
0Family size

Assignees

Inventors

Key dates

Filing dateApr 8, 1999
Grant dateNov 7, 2000
Priority date
Expiry dateApr 8, 2019

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2217/0025
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

In an image forming device wherein printing is accomplished such that passing of charged toners fed from a developer roller 2 through a plurality of openings 14 is controlled by control electrodes 16 of an aperture electrode 12 in accordance with image signals, toners held on the developer roller 2 are caused to reach the vicinity of the openings 14, by inputting a predetermined signal to the control electrodes 16 of the aperture electrode 12, at least once during the period when no image forming action in accordance with the prescribed image signals is performed.

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