Patents by Inventor Maw-Yuan Liou

Maw-Yuan Liou 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).

  • Apparatus and method for measuring dimension of circular object
    Patent number: 8170831
    Abstract: The invention provides an apparatus and a method for measuring a dimension of a circular object. First to third sensors arranged in a straight line are disposed above a track to respectively measure time instants when the circular object moves past the first to third sensors. The dimension of the circular object is calculated according to distances between the first and second sensors and between the second and third sensors.
    Type: Grant
    Filed: April 29, 2009
    Date of Patent: May 1, 2012
    Inventor: Maw-Yuan Liou
  • Apparatus and method for measuring dimension of circular object
    Publication number: 20100280791
    Abstract: The invention provides an apparatus and a method for measuring a dimension of a circular object. First to third sensors arranged in a straight line are disposed above a track to respectively measure time instants when the circular object moves past the first to third sensors. The dimension of the circular object is calculated according to distances between the first and second sensors and between the second and third sensors.
    Type: Application
    Filed: April 29, 2009
    Publication date: November 4, 2010
    Inventor: Maw-Yuan Liou