Patent · US Expired

Corona generating device

US5257073A · kind A · utility

28Cited by
12References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 1, 1992
Grant dateOct 26, 1993
Priority date
Expiry dateJul 1, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S430/102
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A corona generating device of the type in which a control screen adjacent a corona generating electrode regulates the charge flow. The control screen is coated with a substantially continuous layer of boron electroless nickel.

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