Patents by Inventor Hao-Chieh Yeh

Hao-Chieh 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).

  • Method of sensing motion in three-dimensional space
    Patent number: 8797262
    Abstract: An accelerometer and a gyroscope are disposed in a device. When the device rotates in a 3D space, angle of the device relative to gravity is calculated, movement of the device relative to gravity is calculated during the rotation process, and a real trace of the device is obtained in the 3D space.
    Type: Grant
    Filed: March 29, 2010
    Date of Patent: August 5, 2014
    Assignee: Prolific Technology Inc.
    Inventors: Kui-Chang Tseng, Yi-Hsun Hsieh, Ren-Yuan Yu, Hao-Chieh Yeh
  • METHOD OF SENSING MOTION IN THREE-DIMENSIONAL SPACE
    Publication number: 20110181505
    Abstract: An accelerometer and a gyroscope are disposed in a device. When the device rotates in a 3D space, angle of the device relative to gravity is calculated, movement of the device relative to gravity is calculated during the rotation process, and a real trace of the device is obtained in the 3D space.
    Type: Application
    Filed: March 29, 2010
    Publication date: July 28, 2011
    Inventors: Kui-Chang Tseng, Yi-Hsun Hsieh, Ren-Yuan Yu, Hao-Chieh Yeh