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Method and mechanism for preventing from invading of computer virus and/or hacker

  • US 6,026,502 A
  • Filed: 01/27/1998
  • Issued: 02/15/2000
  • Est. Priority Date: 01/27/1997
  • Status: Expired due to Fees
First Claim
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1. Method of preventing hackers or viruses from invading a selected server, which is connected to a given network for sending and receiving data from the network characterized in that it comprises the steps of:

  • providing storage means between the server and the network for temporarily storing data;

    providing switching means on the input and output sides of the storage means respectively, said switching means being capable of performing on-and-off switching operations in the state of being isolated electrically; and

    sending and receiving data between the network and the server, provided that the switching means are prevented from turning on simultaneously,wherein the step of sending and receiving data between the network and the server comprises the steps of;

    (i) inputting data in the storage means while switching means turns ON on the input side, and while the switching mean turns OFF on the output side of the storage means;

    (ii) processing the data thus inputted in the storage means while the switching means turns OFF both on the input and output sides of the storage means, and putting a power supply associated with the storage means in the on- or off-condition as required by detection of a hacker or a virus; and

    (iii) outputting the data from the storage means while the switching means turns OFF on the input side, and while the switching means turns ON on the output side of the storage means.

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