3689860

Information

• Patent Grant
• 3689860

• References
• Source

• Patent Number

  3,689,860

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1972
  52 years ago

• CPC

  • H01J29/705 - Dynamic convergence systems
  • H01J29/701 - Systems for correcting deviation or convergence of a plurality of beams by means of magnetic fields at least
  • H01J29/702 - Convergence correction arrangements therefor
  • H01J2229/5637 - Colour purity
  • H01J2229/5687 - Auxiliary coils

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets