Patents by Inventor Chengchun NI

Chengchun NI 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 AND SYSTEM FOR SWITCHING ROLE OF USB OTG DEVICE AND OTG DEVICE THEREOF
    Publication number: 20170255585
    Abstract: A method and system of switching a role of a Universal Serial Bus (USB) On-The-Go (OTG) device and a USB OTG device are provided. According to the method, when the USB OTG device receives a Host Negotiation Protocol (HNP) request sent from a link-partner, an OTG controller of the USB OTG device is reset. The state of an ID-pin detection end which is used by the OTG controller to detect a type of plug of a USB cable is modified to switch the role of the USB OTG device between a host and a peripheral.
    Type: Application
    Filed: February 22, 2017
    Publication date: September 7, 2017
    Inventors: Jingbo ZHANG, Chengchun NI