Patents by Inventor Jean Francis Rolland

Jean Francis Rolland 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).

  • Triggered communication network for CANOpen networks
    Patent number: 7206882
    Abstract: A CANOpen network including a bus master and an I/O module is disclosed. Each is communicatively coupled to a common bus. The I/O module is subject to a state change. The bus master collects state information from the I/O module by determining if the bus master is prepared to receive further data from the bus and sending a trigger signal from the bus master to the I/O module if the bus master is prepared to receive further data from the bus. The I/O modules sends a state signal to the bus master in response to the trigger signal.
    Type: Grant
    Filed: October 26, 2001
    Date of Patent: April 17, 2007
    Assignee: Schneider Automation Inc.
    Inventors: William A. White, III, Lawrence W. Hill, James McLean, William D. Sparks, Jean Francis Rolland