Patent · US Expired

Electrostatic printing apparatus and method

US4619515A · kind A · utility

16Cited by
4References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 25, 1985
Grant dateOct 28, 1986
Priority date
Expiry dateMar 25, 2005

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/167
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

This invention provides an electrostatic printing apparatus comprising a rotatable electrostatically chargeable drum and ion deposition means for forming an electrostatic image on the electrostatically chargeable drum, the improvement comprising means for discharging a flow of air along the path of flow extending between the periphery of the electrostatically chargeable drum and the ion discharge means.

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