Patents by Inventor Tak Tong Chan

Tak Tong Chan 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).

  • Integrated railroad system
    Patent number: 6799097
    Abstract: A railroad traffic control system that links each locomotive to a control center for communicating data and control signals. Using on-board computers, GPS and two-way communication hardware, rolling stock continuously communicate position, vital sign data, and other information for recording in a data base and for integration in a comprehensive computerized control system. The data base includes train schedules for real time display on train monitors. The current position of each train is compared to its planned schedule online to provide immediate information to the dispatcher to determine whether a corrective action is necessary. When a train's deviation from its planned schedule exceeds a predetermined parameter, the system automatically calculates alternative schedules for all trains in the system according to preselected operational constraints as necessary to minimize the effect of the deviation.
    Type: Grant
    Filed: June 24, 2002
    Date of Patent: September 28, 2004
    Assignee: Modular Mining Systems, Inc.
    Inventors: Marco Antonio Villarreal Antelo, Luiz Steinberg, Tak Tong Chan
  • Integrated railroad system
    Publication number: 20030236598
    Abstract: A railroad traffic control system that links each locomotive to a control center for communicating data and control signals. Using on-board computers, GPS and two-way communication hardware, rolling stock continuously communicate position, vital sign data, and other information for recording in a data base and for integration in a comprehensive computerized control system. The data base includes train schedules for real time display on train monitors. The current position of each train is compared to its planned schedule online to provide immediate information to the dispatcher to determine whether a corrective action is necessary. When a train's deviation from its planned schedule exceeds a predetermined parameter, the system automatically calculates alternative schedules for all trains in the system according to preselected operational constraints as necessary to minimize the effect of the deviation.
    Type: Application
    Filed: June 24, 2002
    Publication date: December 25, 2003
    Inventors: Marco Antonio Villarreal Antelo, Luiz Steinberg, Tak Tong Chan