3820106

Information

• Patent Grant
• 3820106

• References
• Source

• Patent Number

  3,820,106

• Date Filed

  Not available

• Date Issued

  Tuesday, June 25, 1974
  50 years ago

• CPC

  • H02J13/0024 - using pulsed signals
  • H04Q9/10 - using single different frequencies
  • Y02E60/7823 - using pulsed signals
  • Y04S40/122 - Using pulsed signals

• US Classifications

  • 340 - Communications: electrical
  • 174 - Electricity: conductors and insulators