Patent · US Expired

Corona discharging apparatus

US4680669A · kind A · utility

8Cited by
8References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 24, 1984
Grant dateJul 14, 1987
Priority date
Expiry dateJan 24, 2004

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01T19/00
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A corona discharging apparatus is adapted to vibrate a corona discharge wire and/or grid wires by the use of a vibrating element to remove foreign matters deposited on the corona discharging wire and/or grid wires.

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