3647928

Information

• Patent Grant
• 3647928

• References
• Source

• Patent Number

  3,647,928

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1972
  52 years ago

• CPC

  • G10H1/00 - Details of electrophonic musical instruments
  • G10H2210/211 - Pitch vibrato, i.e. repetitive and smooth variation in pitch
  • G10H2210/295 - Spatial effects, musical uses of multiple audio channels
  • Y10S84/04 - Chorus ensemble celeste
  • Y10S84/05 - Chiff
  • Y10S84/27 - Stereo

• US Classifications

  • 084 - Music
  • 984 - Musical instruments