3571514

Information

• Patent Grant
• 3571514

• References
• Source

• Patent Number

  3,571,514

• Date Filed

  Not available

• Date Issued

  Tuesday, March 16, 1971
  54 years ago

• CPC

  • H04R25/502 - using analog signal processing
  • H03G5/12 - incorporating negative feedback

• US Classifications

  • 381 - Electrical audio signal processing systems and devices