3818143

Information

• Patent Grant
• 3818143

• References
• Source

• Patent Number

  3,818,143

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1974
  50 years ago

• CPC

  • H04J3/047 - Distributors with transistors or integrated circuits
  • H04L5/245 - with a number of discharge tubes or semiconductor elements which successively connect the different channels to the transmission channels

• US Classifications

  • 370 - Multiplex communications