Patents by Inventor Shimei Liu

Shimei Liu 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 communicating with a system
    Patent number: 7528710
    Abstract: The invention relates to a device for communicating with a system (1, 17). Said device has mobile communication means (12, 27) for a cabled or wireless data exchange with the system (1, 17) and an emergency-stop button (4, 20) integrated into an emergency-stop part (11, 26), with said emergency-stop part (11, 26) being hard-wired to the system and forming, permanently coupled to the mobile communication means via a mechanical coupling link, a portable functional unit serving to perform mobile operator control and monitoring functions.
    Type: Grant
    Filed: October 18, 2005
    Date of Patent: May 5, 2009
    Assignee: Siemens Aktiengesellschaft
    Inventors: Ulrich Halfmann, Shimei Liu
  • Device for communicating with a system
    Publication number: 20060097860
    Abstract: The invention relates to a device for communicating with a system (1, 17). Said device has mobile communication means (12, 27) for a cabled or wireless data exchange with the system (1, 17) and an emergency-stop button (4, 20) integrated into an emergency-stop part (11, 26), with said emergency-stop part (11, 26) being hard-wired to the system and forming, permanently coupled to the mobile communication means via a mechanical coupling link, a portable functional unit serving to perform mobile operator control and monitoring functions.
    Type: Application
    Filed: October 18, 2005
    Publication date: May 11, 2006
    Inventors: Ulrich Halfmann, Shimei Liu