3873879

Information

• Patent Grant
• 3873879

• References
• Source

• Patent Number

  3,873,879

• Date Filed

  Not available

• Date Issued

  Tuesday, March 25, 1975
  49 years ago

• CPC

  • H01J29/51 - Arrangements for controlling convergence of a plurality of beams by means of electric field only
  • H01J29/50 - Two or more guns in a single vacuum space
  • H01J2229/581 - by magnetic means
  • H01J2229/5835 - cooperating with the electron gun

• US Classifications

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