3781890

Information

• Patent Grant
• 3781890

• References
• Source

• Patent Number

  3,781,890

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1973
  51 years ago

• CPC

  • H04W88/188 - using frequency address codes
  • Y02B60/50 - Techniques for reducing energy-consumption in wireless communication networks

• US Classifications

  • 342 - Communications: directive radio wave systems and devices
  • 340 - Communications: electrical