3668684

Information

• Patent Grant
• 3668684

• References
• Source

• Patent Number

  3,668,684

• Date Filed

  Not available

• Date Issued

  Tuesday, June 6, 1972
  52 years ago

• CPC

  • H03M7/4025 - constant length to or from Morse code conversion
  • H04B10/00 - Transmission systems employing electromagnetic waves other than radio-waves
  • H04L15/22 - Apparatus or circuits for sending one or a restricted number of signals

• US Classifications

  • 340 - Communications: electrical
  • 341 - Coded data generation or conversion