3904923

Information

• Patent Grant
• 3904923

• References
• Source

• Patent Number

  3,904,923

• Date Filed

  Not available

• Date Issued

  Tuesday, September 9, 1975
  49 years ago

• CPC

  • H01J31/128 - provided with control means permitting the electron beam to reach selected parts of the screen
  • H01J29/467 - Control electrodes for flat display tubes
  • H01J43/10 - Dynodes

• US Classifications

  • 348 - Television
  • 250 - Radiant energy
  • 313 - Electric lamp and discharge devices
  • 315 - Electric lamp and discharge devices: systems
  • 345 - Computer graphics processing and selective visual display systems