3913442

Information

• Patent Grant
• 3913442

• References
• Source

• Patent Number

  3,913,442

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1975
  49 years ago

• CPC

  • G10H7/105 - using Fourier coefficients
  • Y10S84/05 - Chiff

• US Classifications

  • 084 - Music
  • 984 - Musical instruments