2674653

Information

• Patent Grant
• 2674653

• References
• Source

• Patent Number

  2,674,653

• Date Filed

  Not available

• Date Issued

  Tuesday, April 6, 1954
  71 years ago

• CPC

  • H04L5/08 - each combination of signals in different channels being represented by a fixed frequency
  • B62M9/00 - Transmissions characterised by use of an endless chain, belt, or the like
  • B62M2701/0023 - Transmissions using belt, chain and friction wheel

• US Classifications

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