3720838

Information

• Patent Grant
• 3720838

• References
• Source

• Patent Number

  3,720,838

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1973
  51 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

  • 250 - Radiant energy
  • 313 - Electric lamp and discharge devices