Patents by Inventor Bernard Pignault

Bernard Pignault 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).

  • Digital communication bus for connecting electronic modules
    Patent number: 6493393
    Abstract: This invention relates to a digital communication bus between electronic modules (S1, Sn), composed of at least one pair of data transmission lines (2A, 2B) and terminating by line terminators (TA, TB), and characterized by the fact that it comprises, for example in the two line terminators (TA, TB), components (R6, R7, R3, R4) imposing transmission with polarization and inverting the polarization whenever one or both line terminators are missing, or are not connected to the bus, or the bus is open.
    Type: Grant
    Filed: March 20, 1998
    Date of Patent: December 10, 2002
    Assignee: Schneider Automation
    Inventor: Bernard Pignault