Patents by Inventor Wen-Yuah SHIH

Wen-Yuah SHIH 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 CALCULATING STEP LENGTH
    Publication number: 20140019082
    Abstract: A method of calculating a step length of a user, which comprises the steps: input a leg length of the user; obtain a vertical acceleration when the user is walking, wherein the vertical acceleration is sensed by an accelerometer and then removed the effect of gravity; do double integral on the vertical acceleration to obtain a vertical displacement for one step of the user; calculate a step length according to the vertical displacement and the leg length by applying Pythagorean theorem.
    Type: Application
    Filed: July 5, 2013
    Publication date: January 16, 2014
    Inventors: Kun-Chan LAN, Wen-Yuah SHIH