Patents by Inventor Dong Ic Lee

Dong Ic 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).

  • Data receiving apparatus having digital contents copy protection function and method for controlling the same
    Patent number: 7752675
    Abstract: A data receiving apparatus having a digital contents copy protection function and a method for controlling the same are disclosed, in which authentication for the digital contents copy protection function is carried out without any error even if time difference occurs due to a communication error of the data receiving apparatus or a problem in initial stability. The data receiving apparatus includes an interface connected with a data transmitting apparatus and transmitting basic information for determining whether authentication for the digital contents copy protection function has been carried out, a display receiving and outputting digital contents if the authentication has been carried out successfully, and a controller determining again whether the authentication has been carried out, after a lapse of a predetermined time period, if the authentication has been failed.
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: July 6, 2010
    Assignee: LG Electronics Inc.
    Inventor: Dong Ic Lee