3912970

Information

• Patent Grant
• 3912970

• References
• Source

• Patent Number

  3,912,970

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1975
  49 years ago

• CPC

  • H04N9/285 - using quadrupole lenses
  • H01J29/702 - Convergence correction arrangements therefor
  • H01J31/205 - with three electron beams in delta configuration
  • H01J2229/5637 - Colour purity
  • H01J2229/5687 - Auxiliary coils
  • H01J2229/7037 - flat

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 348 - Television