3688054

Information

• Patent Grant
• 3688054

• References
• Source

• Patent Number

  3,688,054

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1972
  52 years ago

• CPC

  • G10H1/045 - by electromechanical means
  • G11B5/00 - Recording by magnetisation or demagnetisation of a record carrier Reproducing by magnetic means Record carriers therefor

• US Classifications

  • 360 - Dynamic magnetic information storage or retrieval
  • 084 - Music
  • 318 - Electricity: motive power systems
  • 984 - Musical instruments