1938331

Information

• Patent Grant
• 1938331

• References
• Source

• Patent Number

  1,938,331

• Date Filed

  Not available

• Date Issued

  Tuesday, December 5, 1933
  91 years ago

• CPC

  • H03D1/16 - of discharge tubes
  • H03D1/20 - with provision for preventing undesired type of demodulation

• US Classifications

  • 329 - Demodulators
  • 315 - Electric lamp and discharge devices: systems
  • 330 - Amplifiers