Patents by Inventor Roger C. Alsborg

Roger C. Alsborg 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).

  • Patent number: 5491595
    Abstract: Disclosed is a method and apparatus for guidance of a magnetic head to a predetermined reference position generally used to recalibrate head to media orientation. An electro-magnetic or photosensitive device is provided to accurately and repeatably position a magnetic head carriage to a reference point in order to calibrate the head gap location with respect to parallel tracks across the width of the media. A coarse and fine adjustment method is used to improve the accuracy of establishing the head at the reference position.
    Type: Grant
    Filed: September 9, 1992
    Date of Patent: February 13, 1996
    Assignee: Conner Peripherals, Inc.
    Inventors: Roger C. Alsborg, Jose I. DeArmas, Scott L. Hanson, William B. Higgins, Philip G. Miyasato, Ashok B. Nayak