2452499

Information

• Patent Grant
• 2452499

• References
• Source

• Patent Number

  2,452,499

• Date Filed

  Not available

• Date Issued

  Tuesday, October 26, 1948
  76 years ago

• CPC

  • H03G5/08 - incorporating negative feedback
  • H03F1/36 - in discharge-tube amplifiers
  • H03F3/22 - with tubes only
  • H04R3/14 - Cross-over networks
  • H04R5/04 - Circuit arrangements

• US Classifications

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