3254251

Information

• Patent Grant
• 3254251

• References
• Source

• Patent Number

  3,254,251

• Date Filed

  Not available

• Date Issued

  Tuesday, May 31, 1966
  58 years ago

• CPC

  • H01J29/04 - Cathodes
  • H01J3/027 - Construction of the gun or parts thereof
  • H01J25/04 - Tubes having one or more resonators, without reflection of the electron stream, and in which the modulation produced in the modulator zone is mainly density modulation
  • H01J29/485 - Construction of the gun or of parts thereof
  • H01J29/51 - Arrangements for controlling convergence of a plurality of beams by means of electric field only
  • H01J29/701 - Systems for correcting deviation or convergence of a plurality of beams by means of magnetic fields at least
  • H01J29/705 - Dynamic convergence systems
  • H01J29/707 - Arrangements intimately associated with parts of the gun and co-operating with external magnetic excitation devices
  • H01J29/82 - Mounting, supporting, spacing, or insulating electron-optical or ion-optical arrangements
  • H01J31/205 - with three electron beams in delta configuration
  • H01J31/50 - Image-conversion or image-amplification tubes
  • H04N9/20 - with more than one beam in a tube
  • H01J2229/581 - by magnetic means
  • H01J2229/5835 - cooperating with the electron gun

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 348 - Television