Patents by Inventor Cheul-hee Ham

Cheul-hee Ham 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).

  • Caption presentation method and apparatus using same
    Patent number: 8264609
    Abstract: A caption presentation method and an apparatus using the method, by which caption and information related to the caption can be provided together in a broadcast receiver or in an image reproducer that displays the caption in a closed caption method. The method includes detecting subject information from a caption signal; obtaining visual information with respect to the caption, based on the detected caption subject information; and displaying the visual information and the caption signal together.
    Type: Grant
    Filed: January 11, 2011
    Date of Patent: September 11, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-min Jeon, Cheul-hee Ham
  • Caption presentation method and apparatus using same
    Patent number: 7944506
    Abstract: A caption presentation method and an apparatus using the method, by which caption and information related to the caption can be provided together in a broadcast receiver or in an image reproducer that displays the caption in a closed caption method. The method includes detecting subject information from a caption signal; obtaining visual information with respect to the caption, based on the detected caption subject information; and displaying the visual information and the caption signal together.
    Type: Grant
    Filed: January 28, 2005
    Date of Patent: May 17, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-min Jeon, Cheul-hee Ham
  • Caption presentation method and apparatus using same
    Publication number: 20110106535
    Abstract: A caption presentation method and an apparatus using the method, by which caption and information related to the caption can be provided together in a broadcast receiver or in an image reproducer that displays the caption in a closed caption method. The method includes detecting subject information from a caption signal; obtaining visual information with respect to the caption, based on the detected caption subject information; and displaying the visual information and the caption signal together.
    Type: Application
    Filed: January 11, 2011
    Publication date: May 5, 2011
    Applicant: Samsung Electronics Co., Ltd
    Inventors: Sung-min Jeon, Cheul Hee Ham
  • Method and apparatus for changing codec to reproduce video and/or audio data streams encoded by different codecs within a channel
    Publication number: 20070162852
    Abstract: A method and apparatus for changing codecs to reproduce video and/or audio data streams are provided. The method and apparatus are capable of seamlessly reproducing video and/or audio data streams encoded with two or more different codecs when a change of codecs occurs by determining in advance the start position of a program element at which a change of codecs occurs among video and/or data streams stored in buffers using information regarding a change of codecs included in a data packet and changing the codec used for decoding at the moment when the program element at which the change of codec occurs is first decoded.
    Type: Application
    Filed: January 10, 2007
    Publication date: July 12, 2007
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Choon-sik Jung, Cheul-hee Ham, Yun-ho Choi