3484558

Information

• Patent Grant
• 3484558

• References
• Source

• Patent Number

  3,484,558

• Date Filed

  Not available

• Date Issued

  Tuesday, December 16, 1969
  55 years ago

• CPC

  • H03K3/80 - Generating train of sinusoidal oscillations
  • H04Q1/4465 - the same frequency being used for all signalling information

• US Classifications

  • 375 - Pulse or digital communications
  • 331 - Oscillators
  • 379 - Telephonic communications