2823639

Information

• Patent Grant
• 2823639

• References
• Source

• Patent Number

  2,823,639

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1958
  66 years ago

• CPC

  • H03J1/045 - Indication of the tuning band, the bandwidth, tone control, the channel number, the frequency, or the like
  • Y10S116/29 - TV tuner
  • Y10S116/31 - TV channel selector

• US Classifications

  • 116 - Signals and indicators
  • 074 - Machine element or mechanism