3927260

Information

• Patent Grant
• 3927260

• References
• Source

• Patent Number

  3,927,260

• Date Filed

  Not available

• Date Issued

  Tuesday, December 16, 1975
  49 years ago

• CPC

  • H04Q1/448 - with conversion of a single frequency signal into a digital signal
  • H04B1/74 - for increasing reliability

• US Classifications

  • 340 - Communications: electrical
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 379 - Telephonic communications