3763324

Information

• Patent Grant
• 3763324

• References
• Source

• Patent Number

  3,763,324

• Date Filed

  Not available

• Date Issued

  Tuesday, October 2, 1973
  52 years ago

• CPC

  • H04W88/027 - using frequency address codes
  • H04Q1/4465 - the same frequency being used for all signalling information

• US Classifications

  • 455 - Telecommunications
  • 340 - Communications: electrical
  • 379 - Telephonic communications