Patents by Inventor Sang Dong SUL

Sang Dong SUL 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).

  • System and method for measuring quality of multimedia service
    Patent number: 8451830
    Abstract: A system and a method for measuring quality of a multimedia service transceived via a VoIP service and notifying a user of a result of the measurement are disclosed. An embodiment of the present invention includes a VoIP multimedia server configured to loop back sample multimedia data received from a multimedia terminal providing a VoIP multimedia service, analyze a quality measurement result received from the multimedia terminal, calculate a quality measurement score, convert the quality measurement score into voice data, and transmit the voice data to the multimedia terminal, and a multimedia terminal configured to transmit the sample multimedia data to the VoIP multimedia server via a packet network, measure the quality of loopback sample multimedia data looped back from the VoIP multimedia server, transmit the quality measurement result to the VoIP multimedia server, receive the voice data of the quality measurement score, and output a voice.
    Type: Grant
    Filed: June 26, 2012
    Date of Patent: May 28, 2013
    Assignee: Borasys, Inc.
    Inventor: Sang Dong Sul
  • SYSTEM AND METHOD FOR MEASURING QUALITY OF MULTIMEDIA SERVICE
    Publication number: 20130044620
    Abstract: A system and a method for measuring quality of a multimedia service transceived via a VoIP service and notifying a user of a result of the measurement are disclosed. An embodiment of the present invention includes a VoIP multimedia server configured to loop back sample multimedia data received from a multimedia terminal providing a VoIP multimedia service, analyze a quality measurement result received from the multimedia terminal, calculate a quality measurement score, convert the quality measurement score into voice data, and transmit the voice data to the multimedia terminal, and a multimedia terminal configured to transmit the sample multimedia data to the VoIP multimedia server via a packet network, measure the quality of loopback sample multimedia data looped back from the VoIP multimedia server, transmit the quality measurement result to the VoIP multimedia server, receive the voice data of the quality measurement score, and output a voice.
    Type: Application
    Filed: June 26, 2012
    Publication date: February 21, 2013
    Applicant: BORASYS, INC.
    Inventor: Sang Dong SUL