2222057

Information

• Patent Grant
• 2222057

• References
• Source

• Patent Number

  2,222,057

• Date Filed

  Not available

• Date Issued

  Tuesday, November 19, 1940
  85 years ago

• CPC

  • G10H3/185 - in which the tones are picked up through the bridge structure
  • G10H2220/475 - on the side
  • G10H2220/491 - Two or more transducers per string
  • G10H2220/525 - Piezoelectric transducers for vibration sensing or vibration excitation in the audio range Piezoelectric strain sensing

• US Classifications

  • 084 - Music
  • 381 - Electrical audio signal processing systems and devices
  • 984 - Musical instruments