Patents by Inventor Jiacai SONG

Jiacai SONG 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: 11594091
    Abstract: A method for controlling a gate device in connection with at least one gate and two frameworks connected to the at least one gate is provided. The method may include identifying an authorization status of an object. The method may include detecting pressure signals caused by the object at a first moment, if the authorization status is satisfied. The method may include determining whether or not an illegal tailgating event occurred based on the pressure signals. The method may further include generating a control signal for opening the at least one gate to facilitate the object to pass through the at least one gate in response to a determination that the illegal tailgating event did not occur.
    Type: Grant
    Filed: June 16, 2021
    Date of Patent: February 28, 2023
    Assignee: ZHEJIANG DAHUA TECHNOLOGY CO., LTD.
    Inventors: Jiacai Song, Kang Du
  • Publication number: 20210312737
    Abstract: A method for controlling a gate device in connection with at least one gate and two frameworks connected to the at least one gate is provided. The method may include identifying an authorization status of an object. The method may include detecting pressure signals caused by the object at a first moment, if the authorization status is satisfied. The method may include determining whether or not an illegal tailgating event occurred based on the pressure signals. The method may further include generating a control signal for opening the at least one gate to facilitate the object to pass through the at least one gate in response to a determination that the illegal tailgating event did not occur.
    Type: Application
    Filed: June 16, 2021
    Publication date: October 7, 2021
    Applicant: ZHEJIANG DAHUA TECHNOLOGY CO., LTD.
    Inventors: Jiacai SONG, Kang DU