3772477

Information

• Patent Grant
• 3772477

• References
• Source

• Patent Number

  3,772,477

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1973
  51 years ago

• CPC

  • H04Q1/36 - Pulse-correcting arrangements
  • H04Q1/38 - using combinations of direct currents of different amplitudes or polarities over line conductors or combination of line conductors

• US Classifications

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