Patents by Inventor Sung Heun OH

Sung Heun OH 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).

  • DIGITAL MULTIMEDIA BROADCASTING APPARATUS AND METHOD FOR MULTIPLE-DRM SERVICE
    Publication number: 20150033284
    Abstract: A method for receiving contents using a mobile terminal according to the present invention is provided. The method includes generating a security channel connected to system being in charge of a service and content protection (SCP) client through an agent downloaded and installed in a mobile terminal; downloading and installing one or multiple SCP client software of different kind from the system through the security channel generated by the agent; and playing back the service or content provided in protected state by a content provider among the one or multiple SCP client software of different kind by driving the decodable SCP client software.
    Type: Application
    Filed: July 28, 2014
    Publication date: January 29, 2015
    Inventors: Han Seung KOO, Dong Joon CHOI, Nam Ho HUR, Young Mi SHIN, Mi Sung CHO, Dae Sang YOU, Sung Heun OH, Byoung Soo KOH