Patents by Inventor Chu-Lin Chang

Chu-Lin Chang 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).

  • Signal switching module for optical network monitoring and fault locating
    Patent number: 8311409
    Abstract: The present invention provides an optical signal-selection switch module which is used in a method for simultaneous real-time status monitoring and troubleshooting of a high-capacity single-fiber hybrid passive optical network that is based on wavelength-division-multiplexing techniques.
    Type: Grant
    Filed: November 18, 2009
    Date of Patent: November 13, 2012
    Assignee: National Taiwan University of Science and Technology
    Inventors: Chu-Lin Chang, Gerd Keiser, Shien-Kuei Liaw, Yu-Sheng Huang
  • Bidirectional multi-wavelength optical signal routing and amplification module
    Patent number: 8306417
    Abstract: The present invention provides a bidirectional optical signal traffic-directing and amplification module which is used in a method for simultaneous real-time status monitoring and troubleshooting of a high-capacity single-fiber hybrid passive optical network that is based on wavelength-division-multiplexing techniques.
    Type: Grant
    Filed: November 18, 2009
    Date of Patent: November 6, 2012
    Assignee: National Taiwan University of Science and Technology
    Inventors: Chu-Lin Chang, Gerd Keiser, Shien-Kuei Liaw, Yu-Sheng Huang
  • BIDIRECTIONAL MULTI-WAVELENGTH OPTICAL SIGNAL ROUTING AND AMPLIFICATION MODULE
    Publication number: 20100316373
    Abstract: The present invention provides a bidirectional optical signal traffic-directing and amplification module which is used in a method for simultaneous real-time status monitoring and troubleshooting of a high-capacity single-fiber hybrid passive optical network that is based on wavelength-division-multiplexing techniques.
    Type: Application
    Filed: November 18, 2009
    Publication date: December 16, 2010
    Inventors: Chu-Lin Chang, Gerd Keiser, Shien-Kuei Liaw, Yu-Sheng Huang
  • SIGNAL SWITCHING MODULE FOR OPTICAL NETWORK MONITORING AND FAULT LOCATING
    Publication number: 20100316372
    Abstract: The present invention provides an optical signal-selection switch module which is used in a method for simultaneous real-time status monitoring and troubleshooting of a high-capacity single-fiber hybrid passive optical network that is based on wavelength-division-multiplexing techniques.
    Type: Application
    Filed: November 18, 2009
    Publication date: December 16, 2010
    Inventors: Chu-Lin Chang, Gerd Keiser, Shien-Kuei Liaw, Yu-Sheng Huang