3870838

Information

• Patent Grant
• 3870838

• References
• Source

• Patent Number

  3,870,838

• Date Filed

  Not available

• Date Issued

  Tuesday, March 11, 1975
  49 years ago

• CPC

  • H04L25/242 - with retiming
  • H04B17/404 - selected by local filters

• US Classifications

  • 375 - Pulse or digital communications