Patents by Inventor Chen Khol Chin

Chen Khol Chin 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).

  • Two-dimensional optical encoder with multiple code wheels
    Patent number: 7381942
    Abstract: An exemplary Two-Dimensional Optical encoder (“2-D Encoder”) described herein includes a light emitter and a light detector array. The light detector array includes at least one band of light detectors arranged on at least one diagonal of an X-Y grid having an X-axis and a Y-axis, wherein the X-axis and Y-axis are approximately orthogonal.
    Type: Grant
    Filed: January 25, 2006
    Date of Patent: June 3, 2008
    Assignee: Avago Technologies ECBU IP Pte Ltd
    Inventors: Chen Khol Chin, Chung Min Thor