3425701

Information

• Patent Grant
• 3425701

• References
• Source

• Patent Number

  3,425,701

• Date Filed

  Not available

• Date Issued

  Tuesday, February 4, 1969
  55 years ago

• CPC

  • G11B17/051 - Direct insertion
  • G11B3/08519 - for pick-up arms moving parallel to itself
  • G11B3/08522 - using mechanical detecting means
  • G11B3/08554 - for pick-up arms moving parallel to itself
  • G11B17/028 - of discs rotating during transducing operation
  • G11B33/025 - Portable cases

• US Classifications

  • 369 - Dynamic information storage or retrieval
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER