2921226

Information

• Patent Grant
• 2921226

• References
• Source

• Patent Number

  2,921,226

• Date Filed

  Not available

• Date Issued

  Tuesday, January 12, 1960
  65 years ago

• CPC

  • H01J29/703 - Static convergence systems
  • H01J29/003 - Arrangements for eliminating unwanted electromagnetic effects
  • H04N9/29 - using demagnetisation or compensation of external magnetic fields
  • H01J2229/003 - Preventing or cancelling fields entering the enclosure
  • H01J2229/5637 - Colour purity

• US Classifications

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