3810239

Information

• Patent Grant
• 3810239

• References
• Source

• Patent Number

  3,810,239

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1974
  50 years ago

• CPC

  • G11B15/6865 - with a fixed recorder or player under the magazine

• US Classifications

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