2773181

Information

• Patent Grant
• 2773181

• References
• Source

• Patent Number

  2,773,181

• Date Filed

  Not available

• Date Issued

  Tuesday, December 4, 1956
  68 years ago

• CPC

  • H04Q1/4423 - using one signalling frequency

• US Classifications

  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 307 - Electrical transmission or interconnection systems
  • 329 - Demodulators