Patents by Inventor Kwang Cheol Joo

Kwang Cheol 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: 7571456
    Abstract: A downloading apparatus and method for a digital broadcast receiver which updates a control program of an associated microcontroller with a control program received in a broadcast signal. The downloading apparatus examines the control program prior to initializing the microcontroller, and a new control program is downloaded if the examined control program is incomplete. The downloading apparatus also has a backup memory for abnormal events when downloading. A control program stored in the backup memory enables completion of the downloading.
    Type: Grant
    Filed: April 2, 1998
    Date of Patent: August 4, 2009
    Assignee: LG Electronics Inc.
    Inventors: Kwang Cheol Joo, Kuk Ho Bae, In Hun Kim
  • Patent number: 7061545
    Abstract: A method for displaying a menu of a TV is disclosed, in which icons and characters are prevented, to the utmost, from being transformed in a screen mode having a variable width, such as a double window mode or a PIP mode, so that meanings of the icons and characters can correctly be discriminated by a user. The method for displaying a menu of a TV includes the steps of selecting a display mode of a TV screen, dividing a display area of the TV screen in accordance with a user's selection, determining a menu display area for displaying a menu element of the TV, and varying the size of the element having a default size in accordance with the size of the menu display area.
    Type: Grant
    Filed: December 30, 1999
    Date of Patent: June 13, 2006
    Assignee: LG Electronics Inc.
    Inventors: Hyek Seong Kweon, Kwang Cheol Joo