Patent · US Expired

Rotatable corona device

US4056723A · kind A · utility

11Cited by
3References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 23, 1976
Grant dateNov 1, 1977
Priority date
Expiry dateJan 23, 1996

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/0291
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A corona charging arrangement comprising a plurality of charging devices formed onto a unit. Each of the devices is rotatable to an operative position in which it is coupled to suitable terminals for applying energizing potential thereto, the operative position being selected so that charge therefrom is deposited on the imaging surface.

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