3404233

Information

• Patent Grant
• 3404233

• References
• Source

• Patent Number

  3,404,233

• Date Filed

  Not available

• Date Issued

  Tuesday, October 1, 1968
  56 years ago

• CPC

  • H04L25/40 - Transmitting circuits Receiving circuits
  • H04L17/30 - using electric or electronic translation

• US Classifications

  • 178 - Telegraphy
  • 370 - Multiplex communications
  • 375 - Pulse or digital communications