2278478

Information

• Patent Grant
• 2278478

• References
• Source

• Patent Number

  2,278,478

• Date Filed

  Not available

• Date Issued

  Tuesday, April 7, 1942
  82 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

• US Classifications

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