Patents by Inventor SHIH-KUAN LIU

SHIH-KUAN LIU 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).

  • OPTICAL STRUCTURE FOR ROTATION POSITIONING
    Publication number: 20190170542
    Abstract: The present disclosure is related a technology of confirming a position using an optical sensor to detect reflected light coming through a through hole formed at a predetermined position on a rotation device. In the present disclosure, the optical sensor and a light source are formed at the same side of a rotatable element so as to reduce the occupied space and simplify the manufacturing process.
    Type: Application
    Filed: March 29, 2018
    Publication date: June 6, 2019
    Inventors: CHUNG-TING YANG, KAI-HO TSAI, SHIH-KUAN LIU