2697959

Information

• Patent Grant
• 2697959

• References
• Source

• Patent Number

  2,697,959

• Date Filed

  Not available

• Date Issued

  Tuesday, December 28, 1954
  70 years ago

• CPC

  • G10H5/08 - tones generated by heterodyning
  • H03B21/02 - by plural beating

• US Classifications

  • 084 - Music
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 331 - Oscillators
  • 333 - Wave transmission lines and networks
  • 984 - Musical instruments