2677779

Information

• Patent Grant
• 2677779

• References
• Source

• Patent Number

  2,677,779

• Date Filed

  Not available

• Date Issued

  Tuesday, May 4, 1954
  70 years ago

• CPC

  • H01J29/705 - Dynamic convergence systems
  • H01J29/867 - Means associated with the outside of the vessel for shielding
  • H04N9/28 - Arrangements for convergence or focusing
  • H01J2229/0046 - Preventing or cancelling fields within the enclosure

• US Classifications

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