3311707

Information

• Patent Grant
• 3311707

• References
• Source

• Patent Number

  3,311,707

• Date Filed

  Not available

• Date Issued

  Tuesday, March 28, 1967
  58 years ago

• CPC

  • H04J3/177 - Freeze-out systems
  • H04J3/17 - in which the transmission channel allotted to a first user may be taken away and re-allotted to a second user if the first user becomes inactive
  • H04J3/175 - Speech activity or inactivity detectors
  • H04J3/18 - using frequency compression and subsequent expansion of the individual signals

• US Classifications

  • 370 - Multiplex communications