Patents by Inventor Tatsuya Nakatani

Tatsuya Nakatani 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 for head positioning
    Patent number: 6653809
    Abstract: A method for head positioning utilizing a positioning device that moves a head includes receiving position commands that control the positioning device and determining whether or not the distance between the current position and the movement target position exceeds the predetermined threshold, and if the above-mentioned distance does not exceed the above-mentioned predetermined threshold, moving the head along a predetermined fixed path, while if the above-mentioned distance exceeds the above-mentioned predetermined threshold value, selecting one of a plurality of other paths and moving the head along the selected path. Thus, the speed of head positioning is increased.
    Type: Grant
    Filed: May 14, 2002
    Date of Patent: November 25, 2003
    Assignee: Agilent Technologies, Inc.
    Inventor: Tatsuya Nakatani
  • Method for head positioning
    Publication number: 20020190681
    Abstract: A method for head positioning utilizing a positioning device that moves a head includes receiving position commands that control the positioning device and determining whether or not the distance between the current position and the movement target position exceeds the predetermined threshold, and if the above-mentioned distance does not exceed the above-mentioned predetermined threshold, moving the head along a predetermined fixed path, while if the above-mentioned distance exceeds the above-mentioned predetermined threshold value, selecting one of a plurality of other paths and moving the head along the selected path. Thus, the speed of head positioning is increased.
    Type: Application
    Filed: May 14, 2002
    Publication date: December 19, 2002
    Applicant: Agilent Technologies, Inc.
    Inventor: Tatsuya Nakatani