Patent · US Expired

Power supply system for negative impedance discharge load

US4939381A · kind A · utility

51Cited by
4References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 2, 1989
Grant dateJul 3, 1990
Priority date
Expiry dateMay 2, 2009

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05B41/392
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A power supply for negative impedance discharge loads such as discharge tubes used in gas laser systems, in which the discharge power is supplied not from the voltage source but from the current source through the current transformer so that stabilized and well balanced discharge currents can be supplied to a plurality of discharge loads.

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