3898521

Information

• Patent Grant
• 3898521

• References
• Source

• Patent Number

  3,898,521

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1975
  49 years ago

• CPC

  • H01J29/705 - Dynamic convergence systems
  • H01J29/51 - Arrangements for controlling convergence of a plurality of beams by means of electric field only
  • H04N9/285 - using quadrupole lenses
  • H01J2229/5687 - Auxiliary coils

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 348 - Television