Patents by Inventor Jung-wan Wan Ko

Jung-wan Wan Ko 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 of verifying defect management area informaiton of disc and test apparatus for performing the same
    Publication number: 20010033539
    Abstract: A method of verifying that a disc recording and reproducing apparatus normally analyzes defect management area (DMA) information in a read or write mode, and a test apparatus for performing the method. The method includes operating the recording and reproducing apparatus in a read or write mode, using a test disc with test reference information, and checking whether the recording and reproducing apparatus operates in the read or write mode to verify the DMA information analyzing function of the recording and reproducing apparatus. Accordingly, a DMA information analyzing function of the disc recording and reproducing apparatus in the read or write mode can be tested.
    Type: Application
    Filed: March 14, 2001
    Publication date: October 25, 2001
    Inventors: Jung-wan Wan Ko, Hyun-kwon Chung