3603744

Information

• Patent Grant
• 3603744

• References
• Source

• Patent Number

  3,603,744

• Date Filed

  Not available

• Date Issued

  Tuesday, September 7, 1971
  53 years ago

• CPC

  • H04Q11/04 - for time-division multiplexing
  • H04B3/00 - Line transmission systems
  • H04B3/10 - by pilot signal
  • H04J1/10 - Intermediate station arrangements
  • H04Q5/00 - Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
  • H04Q11/02 - for frequency-division multiplexing

• US Classifications

  • 370 - Multiplex communications