Patent · US Expired

Contact charger having charging performance enhancing particles existing at a contact portion between the contact charger and the member to be charged

US6163671A · kind A · utility

8Cited by
3References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 3, 1999
Grant dateDec 19, 2000
Priority date
Expiry dateSep 3, 2019

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/021
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A charging apparatus for charging a member to be charged includes a charging member for contacting to the member to be charged to electrically charge it; charging performance enhancing particles existing at a contact portion between the charging member and the member to be charged; wherein the charging performance enhancing particles is triboelectrically charged at the contact portion to a polarity opposite from that of a voltage applied to the charging member.

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