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Smart disk software protection system

  • US 5,590,192 A
  • Filed: 11/14/1994
  • Issued: 12/31/1996
  • Est. Priority Date: 11/14/1994
  • Status: Expired due to Fees
First Claim
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1. An electronic data protection device, for protecting any type of electrically transmitted information comprising:

  • (a) a disk housing, having a top portion and a bottom portion, with the bottom portion defining a circular cavity;

    (b) a floppy disk, situated between the top portion and bottom portion of the disk housing, having a mylar disk fixed to a hub, where the hub fits and is able to rotate within the bottom portion circular cavity, and contains a microprocessor, a magnetic field sensor, a power supply for the microprocessor, and a switch to activate the microprocessor;

    (c) magnetic field areas, located on the disk housing, so that they are detectable by the magnetic field sensor, when the hub rotates within the bottom portion of the disk housing;

    (d) a display means, fixed to the hub.

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