Patents by Inventor Se Hui LEE

Se Hui LEE 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).

  • Publication number: 20140371880
    Abstract: Disclosed is a method for changing a role over control authorization performed in a communication apparatus. The method may comprise receiving, from a second controller, a role-request message requesting a role change of the second controller to a master controller; transmitting a role status request message for confirmation of the role change of the second controller to a first controller which is a previous master controller; and determining whether to accept the role change of the second controller according to a role status response message received from the first controller. Therefore, reliability may be guaranteed when a role of master controller is changed.
    Type: Application
    Filed: June 17, 2014
    Publication date: December 18, 2014
    Applicant: KT CORPORATION
    Inventors: Se Hui LEE, Jeong Wook LEE, Tae Jin AHN, Kyung Ah HAN