Patents by Inventor Jeong Hyun JOO

Jeong Hyun JOO 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: 9992535
    Abstract: An encryption method for compressed video is provided. The encryption method includes the steps of confirming a partial bit stream included in a compressed video, and selectively using a lookup table—the lookup table storing encryption information, which is needed for each encryption of a plurality of bit streams, at addresses of patterns respective to the plurality of bit streams—based on a result of the confirmation and encrypting the partial bit stream.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: June 5, 2018
    Assignee: HANDONG GLOBAL UNIVERSITY INDUSTRY—ACADEMIC COOPERATION FOUNDATION
    Inventors: Kang Yi, Jeong Hyun Joo, Chul Hui Lee
  • Publication number: 20160156970
    Abstract: An encryption method for compressed video is provided. The encryption method includes the steps of confirming a partial bit stream included in a compressed video, and selectively using a lookup table—the lookup table storing encryption information, which is needed for each encryption of a plurality of bit streams, at addresses of patterns respective to the plurality of bit streams—based on a result of the confirmation and encrypting the partial bit stream.
    Type: Application
    Filed: November 24, 2015
    Publication date: June 2, 2016
    Inventors: Kang YI, Jeong Hyun JOO, Chul Hui LEE