Patents by Inventor Heng-Poh Khong

Heng-Poh Khong 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).

  • High precision servo track writing with position error signal feedback
    Patent number: 7050259
    Abstract: A servo writer system for a disk drive uses the reader element of a magnetic transducer head in the disk drive to read head position information during servo writing of the disk drive. A positioning system in the servo writer uses both the head position information and actuator position information, as feedback signals to accurately position the transducer during servo writing, resulting in high quality servo tracks.
    Type: Grant
    Filed: April 18, 2002
    Date of Patent: May 23, 2006
    Assignee: Maxtor Corporation
    Inventors: Lin Guo, David Tung, Heng-Poh Khong