Patents by Inventor Denise Ching Yee Chang

Denise Ching Yee 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).

  • Patent number: 7036049
    Abstract: A system and method of tracking an error condition detectable in a communication network is provided. The method includes generating first derived communication attributes from collected statistics from the communication network in a first time interval and retaining the first derived communication attributes. The method further includes generating second derived communication attributes from collected statistics from the communication network in a second time interval, comparing values for the first and the second derived communication attributes to generate a comparison result and utilizing the comparison result as a factor in determining a status of the error condition.
    Type: Grant
    Filed: July 16, 2002
    Date of Patent: April 25, 2006
    Assignee: Alcatel Canada Inc.
    Inventors: Rehan M. Ali, Jeffrey Furry, Denise Ching Yee Chang
  • Publication number: 20030115508
    Abstract: A system and method of tracking an error condition detectable in a communication network is provided. The method includes generating first derived communication attributes from collected statistics from the communication network in a first time interval and retaining the first derived communication attributes. The method further includes generating second derived communication attributes from collected statistics from the communication network in a second time interval, comparing values for the first and the second derived communication attributes to generate a comparison result and utilizing the comparison result as a factor in determining a status of the error condition.
    Type: Application
    Filed: July 16, 2002
    Publication date: June 19, 2003
    Inventors: Rehan M. Ali, Jeffrey Furry, Denise Ching Yee Chang