3711651

Information

• Patent Grant
• 3711651

• References
• Source

• Patent Number

  3,711,651

• Date Filed

  Not available

• Date Issued

  Tuesday, January 16, 1973
  51 years ago

• CPC

  • H04J7/02 - in which the polarity of the amplitude is characteristic

• US Classifications

  • 370 - Multiplex communications