2816221

Information

• Patent Grant
• 2816221

• References
• Source

• Patent Number

  2,816,221

• Date Filed

  Not available

• Date Issued

  Tuesday, December 10, 1957
  67 years ago

• CPC

  • H03J3/10 - Circuit arrangements for fine tuning
  • H03J3/00 - Continuous tuning
  • H03J5/242 - used exclusively for band selection
  • H04N5/60 - for the sound signals

• US Classifications

  • 455 - Telecommunications
  • 348 - Television