2287925

Information

• Patent Grant
• 2287925

• References
• Source

• Patent Number

  2,287,925

• Date Filed

  Not available

• Date Issued

  Tuesday, June 30, 1942
  83 years ago

• CPC

  • H03J7/047 - Automatic frequency control using an auxiliary signal
  • H03J7/22 - in which an automatic frequency control circuit is brought into action after the scanning action has been stopped
  • H03J7/30 - where the scanning is accomplished by mechanical means

• US Classifications

  • 455 - Telecommunications
  • 331 - Oscillators
  • 334 - Tuners
  • 346 - Recorders