Patents by Inventor Huiyun Wang

Huiyun Wang 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: 12292559
    Abstract: A system of automatic adjustment of a laser reflection path, comprising a central processing device, a driving device, a four-quadrant photodetector, a driving arm, a micro cantilever, a sample, a sample placing table, a light reflector, a laser, a CCD equipped with an optical microscope, a vibration sensor, a signal processing circuit, a display device, a storage device, and a control device; a system of automatic adjustment of the laser reflection path is controlled by the control device, wherein a laser beam is emitted by the laser, an image collected by the CCD equipped with the optical microscope is processed by the central processing device to identify the micro cantilever, and then a driving arm is driven by a driving device to drive the micro cantilever to move to the center of a laser spot, during which vibration signals of the driving arm are also under monitoring.
    Type: Grant
    Filed: April 21, 2021
    Date of Patent: May 6, 2025
    Assignee: North University of China
    Inventors: Jun Liu, Zongmin Ma, Jun Xu, Jun Tang, Yunbo Shi, Huanfei Wen, Cheng Dong, Huiyun Wang
  • Publication number: 20210333531
    Abstract: A system of automatic adjustment of a laser reflection path, comprising a central processing device, a driving device, a four-quadrant photodetector, a driving arm, a micro cantilever, a sample, a sample placing table, a light reflector, a laser, a CCD equipped with an optical microscope, a vibration sensor, a signal processing circuit, a display device, a storage device, and a control device; a system of automatic adjustment of the laser reflection path is controlled by the control device, wherein a laser beam is emitted by the laser, an image collected by the CCD equipped with the optical microscope is processed by the central processing device to identify the micro cantilever, and then a driving arm is driven by a driving device to drive the micro cantilever to move to the center of a laser spot, during which vibration signals of the driving arm are also under monitoring.
    Type: Application
    Filed: April 21, 2021
    Publication date: October 28, 2021
    Inventors: Jun Liu, Zongmin Ma, Jun Xu, Jun Tang, Yunbo Shi, Huanfei Wen, Cheng Dong, Huiyun Wang