3872241

Information

• Patent Grant
• 3872241

• References
• Source

• Patent Number

  3,872,241

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1975
  50 years ago

• CPC

  • G11B9/07 - Heads for reproducing capacitive information
  • G11B3/48 - Needles contains no documents
  • G11B9/075 - using mechanical contact with record carrier
  • G11B21/106 - on disks

• US Classifications

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