3906303

Information

• Patent Grant
• 3906303

• References
• Source

• Patent Number

  3,906,303

• Date Filed

  Not available

• Date Issued

  Tuesday, September 16, 1975
  49 years ago

• CPC

  • H04N9/285 - using quadrupole lenses
  • H01J29/702 - Convergence correction arrangements therefor
  • H01J2229/5687 - Auxiliary coils

• US Classifications

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