3689843

Information

• Patent Grant
• 3689843

• References
• Source

• Patent Number

  3,689,843

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1972
  52 years ago

• CPC

  • H03G3/26 - Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise

• US Classifications

  • 455 - Telecommunications
  • 340 - Communications: electrical