3319004

Information

• Patent Grant
• 3319004

• References
• Source

• Patent Number

  3,319,004

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1967
  58 years ago

• CPC

  • H03J3/14 - Visual indication
  • H03D1/2218 - using diodes for the decoding

• US Classifications

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