2071515

Information

• Patent Grant
• 2071515

• References
• Source

• Patent Number

  2,071,515

• Date Filed

  Not available

• Date Issued

  Tuesday, February 23, 1937
  87 years ago

• CPC

  • H01J25/76 - Dynamic electron-multiplier tubes
  • H01J29/023 - secondary-electron emitting electrode arrangements
  • H01J31/44 - Tubes with image amplification section

• US Classifications

  • 348 - Television
  • 250 - Radiant energy
  • 313 - Electric lamp and discharge devices
  • 315 - Electric lamp and discharge devices: systems
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 330 - Amplifiers
  • 331 - Oscillators