2822427

Information

• Patent Grant
• 2822427

• References
• Source

• Patent Number

  2,822,427

• Date Filed

  Not available

• Date Issued

  Tuesday, February 4, 1958
  67 years ago

• CPC

  • G11B5/4907 - Details for scanning
  • G01R13/04 - for producing permanent records
  • G11B5/0275 - Boundary displacement recording
  • G11B5/187 - Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium Pole pieces Gap features

• US Classifications

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