2147813

Information

• Patent Grant
• 2147813

• References
• Source

• Patent Number

  2,147,813

• Date Filed

  Not available

• Date Issued

  Tuesday, February 21, 1939
  85 years ago

• CPC

  • H03D11/02 - for amplitude-modulated oscillations
  • H03D1/26 - by means of transit-time tubes
  • H04B1/163 - Special arrangements for the reduction of the damping of resonant circuits of receivers

• US Classifications

  • 455 - Telecommunications
  • 329 - Demodulators
  • 330 - Amplifiers