3340443

Information

• Patent Grant
• 3340443

• References
• Source

• Patent Number

  3,340,443

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1967
  57 years ago

• CPC

  • H04N9/29 - using demagnetisation or compensation of external magnetic fields
  • H01J2229/0046 - Preventing or cancelling fields within the enclosure

• US Classifications

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