Patents by Inventor Xiaofang Wan

Xiaofang Wan 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).

  • Patent number: 11962907
    Abstract: Provided is a vehicle-road cooperation street lamp for an urban road. The vehicle-road cooperation street lamp for an urban road comprises a vehicle-road cooperation street lamp body, wherein a first supporting plate is transversely arranged on the front side of the top of the vehicle-road cooperation street lamp body, a transmission cavity is transversely formed in the first supporting plate, a first electric telescopic rod is transversely arranged in the inner cavity of the transmission cavity and located on the outer wall of the vehicle-road cooperation street lamp body, and a rack plate is transversely arranged on the front side of the first electric telescopic rod and located in the transmission cavity.
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: April 16, 2024
    Assignee: HUNAN INSTITUTE OF ENGINEERING
    Inventors: Xizheng Zhang, Zhangyu Lu, Qin Wan, Xiaofang Yuan, Zeyu Wang
  • Publication number: 20230297158
    Abstract: Provided are an image sensor and an image output method and application thereof. The image sensor includes an input circuit, configured to perform a first photoelectric conversion on incident light to generate a photoelectric current in an EVS mode working period, and performs s second photoelectric conversion on the incident light to generate photoelectric charges in an APS mode working period; an EVS circuit configured to output a corresponding event signal according to a difference value between a first voltage corresponding to a photoelectric current and a reference voltage; an APS circuit configured to output a corresponding grayscale signal according to a second voltage corresponding to photoelectric charges; and a control circuit configured to output a corresponding APS image according to the grayscale signal and output a corresponding EVS image according to the event signal.
    Type: Application
    Filed: November 24, 2022
    Publication date: September 21, 2023
    Inventors: Yingyun Zha, Jian Deng, Xiaofang Wan