3139475

Information

• Patent Grant
• 3139475

• References
• Source

• Patent Number

  3,139,475

• Date Filed

  Not available

• Date Issued

  Tuesday, June 30, 1964
  60 years ago

• CPC

  • G10H5/10 - using generation of non-sinusoidal basic tones
  • Y10S84/13 - Gas discharge tube

• US Classifications

  • 084 - Music
  • 313 - Electric lamp and discharge devices
  • 315 - Electric lamp and discharge devices: systems
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 331 - Oscillators
  • 984 - Musical instruments