Patents by Inventor Jielin Zhang

Jielin Zhang 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).

  • Bidirectional switch circuit for power banks and the method thereof
    Patent number: 9882405
    Abstract: A power bank having an input terminal; an output terminal; a battery; a bidirectional switch circuit coupled between the battery and the output terminal of the power bank; and a select circuit coupled between the input terminal and the output terminal of the power bank; wherein when the input terminal is wired up with a power source, and the load is powered by the power source, and meanwhile, the battery is charged by the power source via the select circuit and the bidirectional switch circuit; when the input terminal is disconnected from the power source, the load is powered by the battery via the bidirectional switch circuit.
    Type: Grant
    Filed: September 15, 2014
    Date of Patent: January 30, 2018
    Assignee: Chengdu Monolithic Power Systems Co., Ltd.
    Inventors: Min Xu, Jielin Zhang, Xiaoli Kong, Yuancheng Ren
  • BIDIRECTIONAL SWITCH CIRCUIT FOR POWER BANKS AND THE METHOD THEREOF
    Publication number: 20150123480
    Abstract: A power bank having an input terminal; an output terminal; a battery; a bidirectional switch circuit coupled between the battery and the output terminal of the power bank; and a select circuit coupled between the input terminal and the output terminal of the power bank; wherein when the input terminal is wired up with a power source, and the load is powered by the power source, and meanwhile, the battery is charged by the power source via the select circuit and the bidirectional switch circuit; when the input terminal is disconnected from the power source, the load is powered by the battery via the bidirectional switch circuit.
    Type: Application
    Filed: September 15, 2014
    Publication date: May 7, 2015
    Inventors: Min Xu, Jielin Zhang, Xiaoli Kong, Yuancheng Ren