3876855

Information

• Patent Grant
• 3876855

• References
• Source

• Patent Number

  3,876,855

• Date Filed

  Not available

• Date Issued

  Tuesday, April 8, 1975
  49 years ago

• CPC

  • H03K3/55 - the switching device being a gas-filled tube having a control electrode
  • B23K9/0673 - Ionisation of the arc gap by means of a tension with a step front (pulses or high frequency tensions)
  • B23K9/0738 - Stabilising of the arc by automatic re-ignition means
  • B23K9/091 - characterised by the circuits
  • B23K9/1025 - Means for suppressing or reducing DC components in AC arc welding installations
  • H03K3/537 - the switching device being a spark gap

• US Classifications

  • 219 - Electric heating
  • 315 - Electric lamp and discharge devices: systems