3444421

Information

• Patent Grant
• 3444421

• References
• Source

• Patent Number

  3,444,421

• Date Filed

  Not available

• Date Issued

  Tuesday, May 13, 1969
  55 years ago

• CPC

  • H04N9/22 - using the same beam for more than one primary colour information
  • H01J29/74 - Deflecting by electric fields only
  • H01J31/201 - using a colour-selection electrode
  • H04N9/26 - using electron-optical colour selection means

• US Classifications

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