2947906

Information

• Patent Grant
• 2947906

• References
• Source

• Patent Number

  2,947,906

• Date Filed

  Not available

• Date Issued

  Tuesday, August 2, 1960
  64 years ago

• CPC

  • H01J25/40 - the backward travelling wave being utilised
  • H01J23/00 - Details of transit-time tubes of the types covered by group H01J25/00
  • H01J23/083 - Electrostatic focusing arrangements
  • H01J23/24 - Slow-wave structures
  • H01J23/26 - Helical slow-wave structures Adjustment therefor
  • H01J23/30 - Damping arrangements associated with slow-wave structures
  • H01J23/52 - the coupled helices being disposed coaxially around one another

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 333 - Wave transmission lines and networks