3098998

Information

• Patent Grant
• 3098998

• References
• Source

• Patent Number

  3,098,998

• Date Filed

  Not available

• Date Issued

  Tuesday, July 23, 1963
  61 years ago

• CPC

  • G11C13/06 - using magneto-optical elements
  • G01R33/06 - using galvano-magnetic devices
  • G06K7/10 - by electromagnetic radiation
  • G06K9/186 - Recognition of characters printed with magnetic ink
  • G06K9/20 - Image acquisition
  • G11B5/376 - in semi-conductors
  • G11B5/4907 - Details for scanning
  • G11B5/4923 - in which zones of the transducing part are being physically controllable
  • G11B5/4969 - Details for track selection or addressing
  • G11B7/007 - Arrangement of the information on the record carrier
  • G11B11/00 - Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00 Record carriers therefor
  • G11B11/10 - using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier
  • G11B13/045 - combined recording by magnetic and optic means
  • G11B5/4976 - Disposition of heads
  • G11B5/4984 - Structure of specially adapted switching heads

• US Classifications

  • 360 - Dynamic magnetic information storage or retrieval
  • 313 - Electric lamp and discharge devices
  • 315 - Electric lamp and discharge devices: systems
  • 324 - Electricity: measuring and testing
  • 382 - Image analysis
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER