3586968

Information

• Patent Grant
• 3586968

• References
• Source

• Patent Number

  3,586,968

• Date Filed

  Not available

• Date Issued

  Tuesday, June 22, 1971
  54 years ago

• CPC

  • H04J3/14 - Monitoring arrangements
  • H04B17/408 - using successive loop-backs

• US Classifications

  • 324 - Electricity: measuring and testing
  • 375 - Pulse or digital communications
  • 714 - Error detection/correction and fault detection/recovery