3623120

Information

• Patent Grant
• 3623120

• References
• Source

• Patent Number

  3,623,120

• Date Filed

  Not available

• Date Issued

  Tuesday, November 23, 1971
  53 years ago

• CPC

  • G11B25/02 - using cylindrical record carriers
  • G11B5/76 - Drum carriers

• US Classifications

  • 360 - Dynamic magnetic information storage or retrieval
  • 346 - Recorders
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER