3619492

Information

• Patent Grant
• 3619492

• References
• Source

• Patent Number

  3,619,492

• Date Filed

  Not available

• Date Issued

  Tuesday, November 9, 1971
  53 years ago

• CPC

  • H03J7/26 - in which an automatic frequency control circuit is brought into action after the scanning action has been stopped
  • H03J7/305 - in which an automatic frequency control circuit is brought in action after the scanning action has been stopped
  • H04N5/505 - Invisible or silent tuning

• US Classifications

  • 455 - Telecommunications
  • 348 - Television