Patents by Inventor Qingjian He

Qingjian He 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).

  • Terminal device and power supply method for terminal device
    Patent number: 9268381
    Abstract: The present invention is applicable to the interface field, and in particular, relates to a power supply method for a terminal device, where the terminal device is communicatively connected to an accessory device. The method includes: detecting, by the terminal device, an ID resistance value of the accessory device; identifying a type of the accessory device according to the detected ID resistance value; selecting a power supply mode of the terminal device according to the identified type of the accessory device; and supplying power according to the selected power supply mode. In this way, the power input or output of the terminal device is free from the restriction of an OTG working mode of the terminal device.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: February 23, 2016
    Assignee: Huawei Device Co., Ltd.
    Inventor: Qingjian He
  • TERMINAL DEVICE AND POWER SUPPLY METHOD FOR TERMINAL DEVICE
    Publication number: 20130275779
    Abstract: The present invention is applicable to the interface field, and in particular, relates to a power supply method for a terminal device, where the terminal device is communicatively connected to an accessory device. The method includes: detecting, by the terminal device, an ID resistance value of the accessory device; identifying a type of the accessory device according to the detected ID resistance value; selecting a power supply mode of the terminal device according to the identified type of the accessory device; and supplying power according to the selected power supply mode. In this way, the power input or output of the terminal device is free from the restriction of an OTG working mode of the terminal device.
    Type: Application
    Filed: March 14, 2013
    Publication date: October 17, 2013
    Inventor: Qingjian He