3737776

Information

• Patent Grant
• 3737776

• References
• Source

• Patent Number

  3,737,776

• Date Filed

  Not available

• Date Issued

  Tuesday, June 5, 1973
  51 years ago

• CPC

  • H04B14/08 - characterised by the use of a sub-carrier
  • H04L5/06 - the signals being represented by different frequencies

• US Classifications

  • 375 - Pulse or digital communications
  • 370 - Multiplex communications