3694689

Information

• Patent Grant
• 3694689

• References
• Source

• Patent Number

  3,694,689

• Date Filed

  Not available

• Date Issued

  Tuesday, September 26, 1972
  52 years ago

• CPC

  • H01J29/708 - in which the transit time of the electrons has to be taken into account
  • H01J23/26 - Helical slow-wave structures Adjustment therefor

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 313 - Electric lamp and discharge devices