Patents by Inventor Hua (Ivan) Liu

Hua (Ivan) 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).

  • Finger position sensing for handheld sports equipment
    Patent number: 9293063
    Abstract: A training device that includes a receiving surface on its handle, multiple capacitive sensor elements disposed within multiple grip areas on the receiving surface, a sense circuit configured to compare the capacitance measurements with threshold capacitance values and generate a signal when the capacitance measurements indicate a touch on the grip area and an indicator.
    Type: Grant
    Filed: August 25, 2014
    Date of Patent: March 22, 2016
    Assignee: Cypress Semiconductor Corporation
    Inventors: Yuanyuan Qin, Hua (Ivan) Liu
  • Finger position sensing for handheld sports equipment
    Publication number: 20150080154
    Abstract: A training device that includes a receiving surface on its handle, multiple capacitive sensor elements disposed within multiple grip areas on the receiving surface, a sense circuit configured to compare the capacitance measurements with threshold capacitance values and generate a signal when the capacitance measurements indicate a touch on the grip area and an indicator.
    Type: Application
    Filed: August 25, 2014
    Publication date: March 19, 2015
    Inventors: Yuanyuan Qin, Hua (Ivan) Liu