3397285

Information

• Patent Grant
• 3397285

• References
• Source

• Patent Number

  3,397,285

• Date Filed

  Not available

• Date Issued

  Tuesday, August 13, 1968
  56 years ago

• CPC

  • H03G7/04 - incorporating negative feedback

• US Classifications

  • 381 - Electrical audio signal processing systems and devices
  • 333 - Wave transmission lines and networks