3812537

Information

• Patent Grant
• 3812537

• References
• Source

• Patent Number

  3,812,537

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1974
  50 years ago

• CPC

  • G11B15/684 - the cassettes having a storage position inside the magazine and a slightly shifted active position

• US Classifications

  • 360 - Dynamic magnetic information storage or retrieval
  • 206 - Special receptacle or package
  • 242 - Winding, tensioning, or guiding
  • D18 - Printing and office machinery
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER