3868541

Information

• Patent Grant
• 3868541

• References
• Source

• Patent Number

  3,868,541

• Date Filed

  Not available

• Date Issued

  Tuesday, February 25, 1975
  51 years ago

• CPC

  • H01J37/242 - Filament heating power supply or regulation circuits
  • H04N5/63 - Generation or supply of power specially adapted for television receivers

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 348 - Television