3885194

Information

• Patent Grant
• 3885194

• References
• Source

• Patent Number

  3,885,194

• Date Filed

  Not available

• Date Issued

  Tuesday, May 20, 1975
  49 years ago

• CPC

  • G05F1/46 - wherein the variable actually regulated by the final control device is dc
  • H01J37/06 - Electron sources Electron guns
  • H01J37/242 - Filament heating power supply or regulation circuits

• US Classifications

  • 315 - Electric lamp and discharge devices: systems