3872764

Information

• Patent Grant
• 3872764

• References
• Source

• Patent Number

  3,872,764

• Date Filed

  Not available

• Date Issued

  Tuesday, March 25, 1975
  50 years ago

• CPC

  • G10H1/22 - for suppressing tones Preference networks
  • G10H5/002 - Instruments using voltage controlled oscillators and amplifiers or voltage controlled oscillators and filters
  • Y10S84/02 - Preference networks
  • Y10S84/08 - Keyed oscillators
  • Y10S84/10 - Feedback
  • Y10S84/20 - Monophonic

• US Classifications

  • 084 - Music
  • 984 - Musical instruments