3725611

Information

• Patent Grant
• 3725611

• References
• Source

• Patent Number

  3,725,611

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1973
  51 years ago

• CPC

  • G11B5/718 - at least one on each side of the base layer
  • G11B5/865 - by contact "printing"

• US Classifications

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