Patents by Inventor Jum Cho

Jum Cho 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).

  • Method and apparatus for controlling reproduction speed of an optical disk
    Publication number: 20060077832
    Abstract: A method and apparatus for controlling reproduction speed of an optical disk are provided. The method for controlling reproduction speed of an optical disk includes checking whether a read command has been received, and examining whether the received read command is intended for performance evaluation based on the number of backward track jumps of a laser beam irradiated on the optical disk. The method and apparatus for controlling reproduction speed of an optical disk provide designed read performance when an external host executes a performance test.
    Type: Application
    Filed: May 18, 2005
    Publication date: April 13, 2006
    Inventor: Jum Cho