3633920

Information

• Patent Grant
• 3633920

• References
• Source

• Patent Number

  3,633,920

• Date Filed

  Not available

• Date Issued

  Tuesday, January 11, 1972
  53 years ago

• CPC

  • G11B15/67528 - of endless tape cassette
  • G11B15/1891 - the record carrier being endless

• US Classifications

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