2185300

Information

• Patent Grant
• 2185300

• References
• Source

• Patent Number

  2,185,300

• Date Filed

  Not available

• Date Issued

  Tuesday, January 2, 1940
  85 years ago

• CPC

  • G11B5/00 - Recording by magnetisation or demagnetisation of a record carrier Reproducing by magnetic means Record carriers therefor
  • G11B5/1278 - specially adapted for magnetisations perpendicular to the surface of the record carrier
  • Y10S29/028 - Magnetic recording digest
  • Y10S428/928 - Magnetic property
  • Y10T428/12465 - having magnetic properties, or preformed fiber orientation coordinate with shape

• US Classifications

  • 360 - Dynamic magnetic information storage or retrieval
  • 029 - Metal working
  • 427 - Coating processes
  • 428 - Stock material or miscellaneous articles
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER