3772554

Information

• Patent Grant
• 3772554

• References
• Source

• Patent Number

  3,772,554

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1973
  51 years ago

• CPC

  • H01J29/707 - Arrangements intimately associated with parts of the gun and co-operating with external magnetic excitation devices
  • H01J29/503 - Three or more guns, the axes of which lay in a common plane
  • H01J29/51 - Arrangements for controlling convergence of a plurality of beams by means of electric field only
  • H01J2229/581 - by magnetic means
  • H01J2229/5835 - cooperating with the electron gun

• US Classifications

  • 313 - Electric lamp and discharge devices