Patents by Inventor Qingwei XIE

Qingwei XIE 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).

  • Back focus adjustment mechanism and video camera provided with same
    Patent number: 10739606
    Abstract: Disclosed is a back focus adjustment mechanism and a camera provided with the same. The back focus adjustment mechanism comprises a driving device (10) and a positioning and guiding device (20) separately provided, wherein the positioning and guiding device (20) comprises a positioning assembly (21) and a guiding assembly (22), the guiding assembly (22) is mounted on the positioning assembly (21), and the driving device (10) is in driving connection with the guiding assembly (22) to drive the guiding assembly (22) to move. In the back focus adjustment mechanism and a camera provided with the same, after the driving device (10) and the positioning and guiding device (20) are separately provided, each structure of the back focus adjustment mechanism can be simpler, and the reliability of each structure of the back focus adjustment mechanism can be increased under the same processing precision.
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: August 11, 2020
    Assignee: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.
    Inventor: Qingwei Xie
  • BACK FOCUS ADJUSTMENT MECHANISM AND VIDEO CAMERA PROVIDED WITH SAME
    Publication number: 20190162980
    Abstract: Disclosed is a back focus adjustment mechanism and a camera provided with the same. The back focus adjustment mechanism comprises a driving device (10) and a positioning and guiding device (20) separately provided, wherein the positioning and guiding device (20) comprises a positioning assembly (21) and a guiding assembly (22), the guiding assembly (22) is mounted on the positioning assembly (21), and the driving device (10) is in driving connection with the guiding assembly (22) to drive the guiding assembly (22) to move. In the back focus adjustment mechanism and a camera provided with the same, after the driving device (10) and the positioning and guiding device (20) are separately provided, each structure of the back focus adjustment mechanism can be simpler, and the reliability of each structure of the back focus adjustment mechanism can be increased under the same processing precision.
    Type: Application
    Filed: August 31, 2016
    Publication date: May 30, 2019
    Inventor: Qingwei XIE