3893179

Information

• Patent Grant
• 3893179

• References
• Source

• Patent Number

  3,893,179

• Date Filed

  Not available

• Date Issued

  Tuesday, July 1, 1975
  49 years ago

• CPC

  • G11B15/48 - Starting Accelerating Decelerating Arrangements preventing malfunction during drive change
  • G06M1/303 - with drums
  • G06M3/021 - with drums type indicating means
  • G11B15/44 - Speed-changing arrangements Reversing arrangements Drive transfer means therefor
  • G11B27/13 - the information being derived from movement of the record carrier
  • G11B27/34 - Indicating arrangements

• US Classifications

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