Patents by Inventor Eun-Kyu Chang

Eun-Kyu 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).

  • Publication number: 20110136479
    Abstract: A mobile terminal that controls the output of an audio based on contact or approach of an external object and a method of controlling the mobile terminal, are discussed. According to an embodiment, the mobile terminal includes an audio output module configured to output an audio; a sensing unit arranged to sense an object approaching the audio output module; and a controller configured to stop the outputting of the audio, when the sensing unit senses the object approaching the audio output module while the audio is being output through the audio output module.
    Type: Application
    Filed: December 16, 2009
    Publication date: June 9, 2011
    Inventors: Mi Jeong KIM, Eun Kyu Chang, Jung Hoan Kim
  • Patent number: 7747867
    Abstract: A user authentication method for a remote control apparatus and a remote control apparatus using this method are provided. If a user inputs information for user authentication after having inputted a command for control of a controlled device, this information is compared with the corresponding user authentication information stored. If the user authentication is successful, it is determined whether a secondary authentication is required. If a secondary authentication is required, authentication data, as well as control data corresponding to the user's command, are transmitted to the controlled device. The controlled device operates in accordance with the received control data, if the authentication with the received authentication data was successful. The method and apparatus allow individual setting of a communication device for each controlled device.
    Type: Grant
    Filed: December 4, 2003
    Date of Patent: June 29, 2010
    Assignee: LG Electronics Inc.
    Inventors: Kyeong-Su Yim, Yang-Gi Kim, Jeong-Soo Lee, Eun-Kyu Chang
  • Publication number: 20040186995
    Abstract: The invention provides a user authentication method that allows selection of a level of user authentication for a remote control apparatus in accordance with an importance of the device to be controlled, and a remote control apparatus using this method. If a user inputs information for user authentication after having inputted a command for control of a controlled device, this information is compared with the corresponding user authentication information stored. If the user authentication is successful, it is determined whether a secondary authentication is required. If a secondary authentication is required, authentication data, as well as control data corresponding to the user's command, are transmitted to the controlled device. The controlled device operates in accordance with the received control data, if the authentication with the received authentication data was successful. The invention allows individual setting of a communication device for each controlled device.
    Type: Application
    Filed: December 4, 2003
    Publication date: September 23, 2004
    Applicant: LG Electronics Inc.
    Inventors: Kyeong-Su Yim, Yang-Gi Kim, Jeong-Soo Lee, Eun-Kyu Chang