Patents by Inventor John S. Fahy

John S. Fahy has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and means to limit access to computer systems
    Patent number: 5233658
    Abstract: In a preferred embodiment, a method of limiting access to computer systems which method includes scrambling identification card information with time information so that the resulting code can be used for only a limited period of time, thus preventing unauthorized persons from using the code at a later time. In another aspect of the invention, one or more .mu.-metal shields are embedded in an identification card, thus identifying the card as being valid and also providing means to indicate when a valid card is being removed from a card reader.
    Type: Grant
    Filed: April 4, 1991
    Date of Patent: August 3, 1993
    Inventors: James S. Bianco, James T. Madsen, Michael Ceppetelli, John S. Fahy
  • Method and means to limit access to computer systems
    Patent number: 5067155
    Abstract: In a preferred embodiment, a method of limiting access to computer systems which method includes scrambling identification card information with time information so that the resulting code can be used for only a limited period of time, thus preventing unauthorized persons from using the code at a later time. In another aspect of the invention, one or more .mu.-metal shields are embedded in an identification card, thus identifying the card as being valid and also providing means to indicate when a valid card is being removed from a card reader.
    Type: Grant
    Filed: May 9, 1990
    Date of Patent: November 19, 1991
    Assignee: Control Module Inc.
    Inventors: James S. Bianco, James T. Madsen, Michael Ceppetelli, John S. Fahy