Patents by Inventor Moon Choi Park

Moon Choi Park 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 tuning skew between read head and write head and storage device thereof
    Patent number: 8780487
    Abstract: Tuning a skew between a read head and a write head, may include setting a center value of a track according to a track density of a storage medium; writing data having a certain pattern to at least one target track and at least two tracks adjacent to the target track, while following the center value of the track; reading the data having a certain pattern from the target track by using a plurality of off track values in an off track range based on the center value of the track; and detecting an off track value having a minimum error occurrence number among error occurrence numbers with respect to the read data having a certain pattern corresponding to each of the plurality of off tracks, as an optimum off track value of the target track.
    Type: Grant
    Filed: June 29, 2012
    Date of Patent: July 15, 2014
    Assignee: Seagate Technology LLC
    Inventors: Jun Bum Park, Moon Choi Park
  • METHOD OF TUNING SKEW BETWEEN READ HEAD AND WRITE HEAD AND STORAGE DEVICE THEREOF
    Publication number: 20130027800
    Abstract: Tuning a skew between a read head and a write head, may include setting a center value of a track according to a track density of a storage medium; writing data having a certain pattern to at least one target track and at least two tracks adjacent to the target track, while following the center value of the track; reading the data having a certain pattern from the target track by using a plurality of off track values in an off track range based on the center value of the track; and detecting an off track value having a minimum error occurrence number among error occurrence numbers with respect to the read data having a certain pattern corresponding to each of the plurality of off tracks, as an optimum off track value of the target track.
    Type: Application
    Filed: June 29, 2012
    Publication date: January 31, 2013
    Applicant: Seagate Technology LLC
    Inventors: Jun Bum Park, Moon Choi Park