3553379

Information

• Patent Grant
• 3553379

• References
• Source

• Patent Number

  3,553,379

• Date Filed

  Not available

• Date Issued

  Tuesday, January 5, 1971
  54 years ago

• CPC

  • H03J7/305 - in which an automatic frequency control circuit is brought in action after the scanning action has been stopped
  • H04B1/1646 - adapted for the reception of stereophonic signals

• US Classifications

  • 381 - Electrical audio signal processing systems and devices
  • 455 - Telecommunications