Patents by Inventor Xiujiang Ma

Xiujiang Ma 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).

  • Fault Diagnosis Method, Electronic Device, and Storage Medium
    Publication number: 20230228818
    Abstract: A fault diagnosis method includes detecting a state of a relay device, sending a fault diagnosis trigger signal to the relay device based on the stateto enable the relay device to enter a fault diagnosis mode, where the fault diagnosis trigger signal includes one or more of a variable supply voltage value, a transmit/receive control signal, and a diagnosis control signal, detecting a state of the relay device in the fault diagnosis mode, determining a fault code based on the state, and determining a fault based on the fault code.
    Type: Application
    Filed: April 6, 2021
    Publication date: July 20, 2023
    Inventors: Pinhui Chen, Weicai Zeng, Yuanji He, Bo Xie, Xiujiang Ma
  • Communication Method and Apparatus, and System
    Publication number: 20220337988
    Abstract: An emergency call method is applied to a vehicle-mounted communications system. The emergency call method includes a telematics box activating a host function. The host function includes controlling a first transmission node and a peripheral connected to the first transmission node. The telematics box is connected to the first transmission node, and the telematics box performs data transmission with the first transmission node using the host function. The first transmission node is in a master node mode.
    Type: Application
    Filed: July 5, 2022
    Publication date: October 20, 2022
    Inventors: Xuehuan Wang, Chao Li, Xiujiang Ma
  • Emergency call method and apparatus, and system
    Patent number: 11388576
    Abstract: An emergency call method applied to a vehicle-mounted communications system and the method includes a telematics box that activates a host function. The host function includes controlling a first transmission node and a peripheral connected to the first transmission node. The telematics box is coupled to the first transmission node, and the telematics box may perform data transmission with the first transmission node using the host function. The first transmission node is in a master node mode.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: July 12, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Xuehuan Wang, Chao Li, Xiujiang Ma
  • Emergency Call Method and Apparatus, and System
    Publication number: 20210345083
    Abstract: An emergency call method applied to a vehicle-mounted communications system and the method includes a telematics box that activates a host function. The host function includes controlling a first transmission node and a peripheral connected to the first transmission node. The telematics box is coupled to the first transmission node, and the telematics box may perform data transmission with the first transmission node using the host function. The first transmission node is in a master node mode.
    Type: Application
    Filed: June 9, 2021
    Publication date: November 4, 2021
    Inventors: Xuehuan Wang, Chao Li, Xiujiang Ma