3686442

Information

• Patent Grant
• 3686442

• References
• Source

• Patent Number

  3,686,442

• Date Filed

  Not available

• Date Issued

  Tuesday, August 22, 1972
  52 years ago

• CPC

  • H04J3/24 - in which the allocation is indicated by an address the different channels being transmitted sequentially
  • H04J3/172 - Digital speech interpolation

• US Classifications

  • 370 - Multiplex communications