3878339

Information

• Patent Grant
• 3878339

• References
• Source

• Patent Number

  3,878,339

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1975
  49 years ago

• CPC

  • H04B7/2128 - Changing of the reference station

• US Classifications

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