Patents by Inventor Peizhang Liu

Peizhang 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).

  • Publication number: 20170104604
    Abstract: Disclosed is a reverse power supply method, comprising: a power supply adapter mixing a digital subscriber line (xDSL) signal with direct current (DC), and transmitting the mixed signal to an xDSL central office device via a subscriber line; the xDSL central office device separating the mixed signal to acquire the DC required by the xDSL central office device. Also disclosed are a power supply adapter and xDSL central office device.
    Type: Application
    Filed: September 17, 2014
    Publication date: April 13, 2017
    Inventors: Peizhang Liu, Zhiguang Chen, Zhaochun Lu