Patents by Inventor Patrick Darnault

Patrick Darnault 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).

  • Patent number: 6484024
    Abstract: To facilitate the customization of instruments, especially mobile telephones whose operation is validated by a chip card, it is planned to use a cargo chip card provided in its memory firstly with complementary function elements and, secondly, with unloading units. As and when the functions are unloaded into the mobile telephone, the units are obliterated. It is shown that in this way the distribution of the services is organized in a simple manner in preventing piracy on the one hand and complicated procedures on the other.
    Type: Grant
    Filed: November 4, 1999
    Date of Patent: November 19, 2002
    Assignee: Sagem SA
    Inventors: Patrick Darnault, Laurent Marjollet
  • Patent number: 5432464
    Abstract: A type of electronic circuit, called an Application Specific Integrated Circuit (ASIC), is used to customize the functions in a semiconductor chip as defined by a user. ASIC includes a microprocessor, functional inputs and outputs, connection circuits, electronic gates, inhibition gates and links to perform "application specific" operations. The user chooses the functions and the arrangement of the various connection circuits from a menu of predetermined functions. Once the ASIC has been defined by the user, it is ready for manufacturing.
    Type: Grant
    Filed: September 29, 1993
    Date of Patent: July 11, 1995
    Assignee: Societe d'Applications Generales d'Electricite et de Mecanique Sagem
    Inventor: Patrick Darnault