2917580

Information

• Patent Grant
• 2917580

• References
• Source

• Patent Number

  2,917,580

• Date Filed

  Not available

• Date Issued

  Tuesday, December 15, 1959
  64 years ago

• CPC

  • H04J1/18 - in which all the carriers are amplitude-modulated

• US Classifications

  • 379 - Telephonic communications
  • 370 - Multiplex communications