3823385

Information

• Patent Grant
• 3823385

• References
• Source

• Patent Number

  3,823,385

• Date Filed

  Not available

• Date Issued

  Tuesday, July 9, 1974
  50 years ago

• CPC

  • H04L27/10 - Frequency-modulated carrier systems
  • G08C19/14 - using combination of fixed frequencies

• US Classifications

  • 340 - Communications: electrical
  • 375 - Pulse or digital communications