3757154

Information

• Patent Grant
• 3757154

• References
• Source

• Patent Number

  3,757,154

• Date Filed

  Not available

• Date Issued

  Tuesday, September 4, 1973
  51 years ago

• CPC

  • H04N9/29 - using demagnetisation or compensation of external magnetic fields
  • H01J2229/0038 - Active means

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 324 - Electricity: measuring and testing
  • 348 - Television
  • 361 - Electricity: electrical systems and devices