2228402

Information

• Patent Grant
• 2228402

• References
• Source

• Patent Number

  2,228,402

• Date Filed

  Not available

• Date Issued

  Tuesday, January 14, 1941
  83 years ago

• CPC

  • H01J31/42 - with image screen generating a composite electron beam which is deflected as a whole past a stationary probe to simulate a scanning effect
  • H01J31/506 - tubes using secondary emission effect

• US Classifications

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