Patents by Inventor Nan-Husing Yeh

Nan-Husing Yeh 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 fly height measurement
    Patent number: 6930844
    Abstract: A method for measuring spacing between a head and a storage medium is provided. The method includes obtaining a sample of a readback signal from a sequence of data stored on the storage medium using the head. An amplitude of the readback signal for a plurality of frequencies is calculated. Additionally, the method includes providing a measurement indicative of spacing between the head and the storage medium based on the amplitude.
    Type: Grant
    Filed: May 19, 2003
    Date of Patent: August 16, 2005
    Assignee: Seagate Technology LLC
    Inventors: Nan-Husing Yeh, Don R. Bloyer, John W. Dykes
  • High precision fly height measurement
    Publication number: 20040233561
    Abstract: A method for measuring spacing between a head and a storage medium is provided. The method includes obtaining a sample of a readback signal from a sequence of data stored on the storage medium using the head. An amplitude of the readback signal for a plurality of frequencies is calculated. Additionally, the method includes providing a measurement indicative of spacing between the head and the storage medium based on the amplitude.
    Type: Application
    Filed: May 19, 2003
    Publication date: November 25, 2004
    Inventors: Nan-Husing Yeh, Don R. Bloyer, John W. Dykes