Patents by Inventor Xinkun Liu

Xinkun 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).

  • Touch Force Detecting Apparatus For Infrared Touch Screen
    Publication number: 20090015564
    Abstract: An apparatus for detecting touch force of an infrared touch screen comprises a plate glass, a sensor, an infrared transmit and receive array, a signal processing circuit, and a micro-controller for controlling the touch screen. Said sensor is a mechanical force sensor, and its signal output port is connected with a input port of the signal processing circuit. An output port of the signal processing circuit is connected with an I/O interface of the micro-controller for control the touch screen.
    Type: Application
    Filed: November 13, 2006
    Publication date: January 15, 2009
    Inventors: Xinlin Ye, Jianjun Liu, Xinkun Liu