Patents by Inventor Dan E. Mayer

Dan E. Mayer 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).

  • Unauthorized access monitor
    Patent number: 5568611
    Abstract: An information processing system comprises a system processor, an information storage circuit for storing at least programs for operating the information processing system; an enclosure for enclosing the information processing apparatus, the enclosure including an opening for providing access to the information processing system; a cover attached to the enclosure, the cover providing an open position and a closed condition for the information processing apparatus; detection circuitry for detecting whether the cover is in the open position; and means for stopping information processing by the information processing system responsive to an indication that the cover is in the open condition.
    Type: Grant
    Filed: July 29, 1994
    Date of Patent: October 22, 1996
    Assignee: International Business Machines Corporation
    Inventors: Bharat Khatri, Fred Marx, Dan E. Mayer, Cynthia M. Merkin, Ileana Vila