Patents by Inventor Fengjun Liu

Fengjun 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: 20240116387
    Abstract: A charging method includes: obtaining a first voltage of a charging port of a vehicle; determining a target buck value based on the first voltage, adjusting a voltage on a buck side of a buck-boost converter of the vehicle based on the target buck value, and sending the target buck value to a charging pile to enable the charging pile to determine an output voltage of the charging pile based on the target buck value; increasing a charging demand current of the vehicle to a maximum allowable charging current of the vehicle; and charging the vehicle according to the maximum allowable charging current.
    Type: Application
    Filed: December 14, 2023
    Publication date: April 11, 2024
    Inventors: Yubo LIAN, Heping LING, Junhua LIU, Fengjun AN, Qi WEN
  • Patent number: 9065806
    Abstract: The present invention discloses a device and method for security information interaction. The device for security information interaction includes: an interface circuit, configured to connect the device for security information interaction to an internet terminal; an information input unit, configured to allow user to input security information; a secure encryption/decryption unit, configured to store and process the security information; an information reader, configured to read information data from an external information carrier; wherein the secure encryption/decryption unit processes the security information in connection with the information data, and complete a business function on the secure channel through the interaction with the security information processing server.
    Type: Grant
    Filed: March 23, 2012
    Date of Patent: June 23, 2015
    Assignee: CHINA UNIONPAY CO., LTD.
    Inventors: Fengjun Liu, Linrun Ding, Jinyao Xu, Chunhuan Li, Tao Hai, Chunye Hui, Kun Jiang, Tianshu Ma
  • Publication number: 20140172741
    Abstract: The present invention discloses a system and method for security information interaction. The system for security information interaction comprises a device for security information interaction configured to obtain the security information input by a user and the information data read from an external information carrier, and configured to establish a secure channel between it and a security information processing gateway through an internet terminal to perform a business function. The device for security information interaction is able to perform business functions that do not require online processing. The system and method for security information interaction disclosed herein improves the flexibility and efficiency of the information processing system and enhances the balance of the operating load, and increases the security of the information processing system.
    Type: Application
    Filed: March 23, 2012
    Publication date: June 19, 2014
    Applicant: China Unionpay Co., Ltd
    Inventors: Fengjun Liu, Linrun Ding, Jinyao Xu, Chunhuan Li, Tao Hai, Chunye Hui, Kun Jiang, Tianshu Ma
  • Publication number: 20140095863
    Abstract: The present invention discloses a device and method for security information interaction. The device for security information interaction includes: an interface circuit, configured to connect the device for security information interaction to an internet terminal; an information input unit, configured to allow user to input security information; a secure encryption/decryption unit, configured to store and process the security information; an information reader, configured to read information data from an external information carrier; wherein the secure encryption/decryption unit processes the security information in connection with the information data, and complete a business function on the secure channel through the interaction with the security information processing server.
    Type: Application
    Filed: March 23, 2012
    Publication date: April 3, 2014
    Inventors: Fengjun Liu, Linrun Ding, Jinyao Xu, Chunhuan Li, Tao Hai, Chunye Hui, Kun Jiang, Tianshu Ma