3549940

Information

• Patent Grant
• 3549940

• References
• Source

• Patent Number

  3,549,940

• Date Filed

  Not available

• Date Issued

  Tuesday, December 22, 1970
  54 years ago

• CPC

  • H01J25/42 - Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and with a magnet system producing an H-field crossing the E-field
  • H01J23/00 - Details of transit-time tubes of the types covered by group H01J25/00
  • H01J23/24 - Slow-wave structures
  • H01J23/36 - Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy
  • H01J25/44 - the forward travelling wave being utilised

• US Classifications

  • 315 - Electric lamp and discharge devices: systems