3895191

Information

• Patent Grant
• 3895191

• References
• Source

• Patent Number

  3,895,191

• Date Filed

  Not available

• Date Issued

  Tuesday, July 15, 1975
  49 years ago

• CPC

  • H04H20/48 - for FM stereophonic broadcast systems
  • G01R31/2825 - in household appliances or professional audio/video equipment
  • H04H40/63 - for separation improvements or adjustments

• US Classifications

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