3447090

Information

• Patent Grant
• 3447090

• References
• Source

• Patent Number

  3,447,090

• Date Filed

  Not available

• Date Issued

  Tuesday, May 27, 1969
  55 years ago

• CPC

  • H04B14/046 - Systems or methods for reducing noise or bandwidth
  • H04B14/066 - using differential modulation with several bits [NDPCM]

• US Classifications

  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems