3290667

Information

• Patent Grant
• 3290667

• References
• Source

• Patent Number

  3,290,667

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1966
  58 years ago

• CPC

  • G08C15/04 - the signals being modulated on carrier frequencies

• US Classifications

  • 340 - Communications: electrical