3544697

Information

• Patent Grant
• 3544697

• References
• Source

• Patent Number

  3,544,697

• Date Filed

  Not available

• Date Issued

  Tuesday, December 1, 1970
  54 years ago

• CPC

  • H03K17/52 - using gas-filled tubes
  • G10H1/04 - by additional modulation

• US Classifications

  • 084 - Music
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 984 - Musical instruments