Patents by Inventor Francis E. Baudelot

Francis E. Baudelot 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).

  • Device for performing wrap tests on a multiplex link in a data communication system
    Patent number: 4695997
    Abstract: In a data communication system, a device for performing a wrap test on at least one line without affecting the other lines that transmit and receive data over at least one multiplex link (4) within time slots allocated to a given line within a given frame. During each time slot, a wrap control bit (W) is set by the communication system to a state that indicates either the wrap test mode or the normal mode of operation. Said bit controls a logic circuit (51) to cause data to be sent either over line (4) or to the receive circuit to perform the test, within each time slot.
    Type: Grant
    Filed: June 14, 1985
    Date of Patent: September 22, 1987
    Assignee: International Business Machines Corporation
    Inventors: Gerard M. Montanari, Francis E. Baudelot, Michel L. Costes