3575421

Information

• Patent Grant
• 3575421

• References
• Source

• Patent Number

  3,575,421

• Date Filed

  Not available

• Date Issued

  Tuesday, April 20, 1971
  53 years ago

• CPC

  • G11B15/1891 - the record carrier being endless
  • G11B15/67531 - with servo control

• US Classifications

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