Patents by Inventor DANGXIAO WANG

DANGXIAO 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).

  • Publication number: 20230210711
    Abstract: The present disclosure relates to an exoskeleton robot for expectoration assistance and a control method. In the exoskeleton robot, a respiratory sensor acquires a respiratory signal of a user to be assisted; a positive pressure module covers an upper abdomen of the user to be assisted; a negative pressure module is arranged on an outer wall of a thoracic cavity of the user to be assisted and wraps the whole thoracic cavity, and a negative pressure cavity is formed between a housing of the negative pressure module and the outer wall of the thoracic cavity; in an inhalation state, the rigidity of the housing of the negative pressure module increases; in an exhalation state, the rigidity of the housing of the negative pressure module decreases; the control module is respectively connected with the respiratory sensor, the positive pressure module, and the negative pressure module.
    Type: Application
    Filed: July 8, 2021
    Publication date: July 6, 2023
    Inventors: Dangxiao Wang, Qinggang Ge, Yan Zhang, Yuru Zhang, Zongyu Wang, Lei Xue
  • Publication number: 20220101748
    Abstract: The present invention relates to an attention training method and system based on synergic control of breathing and force, combining the characteristics of focusing on proprioceptive breathing during meditation with the characteristics of focusing on muscle force control in the haptic channel, realizing visual detection of attention states during training through synchronization errors of breathing signals and force signals; the method comprises four subtasks, have progressively increasing training difficulty and can be used for training independently or consecutively in a progressive manner, also includes an training system for implementing the training method; the attention training is achieved through this continuous synergic control tasks of breathing and force, and the attentional state during the training is reflected by a synchronization error of the breathing signal and a muscle force output signal.
    Type: Application
    Filed: January 3, 2020
    Publication date: March 31, 2022
    Inventors: Dangxiao WANG, Yilei ZHENG, Shiyi LIU, Yuru ZHANG
  • Patent number: 11281300
    Abstract: Disclosed is a multi-tactile fusion feedback handle, characterized in that the handle comprises three areas, namely, a finger tactile function area, a palm tactile function area and a space positioning function area. The finger tactile function area comprises one or more tactile buttons, a finger can operate the tactile buttons alone or in combination, and the tactile buttons have feedback functions for one or more kinds of tactility, namely, softness, temperature, surface friction and texture, and shape. The palm tactile function area comprises a multi-point independent vibration source and/or a multi-point independent heat source, which can be used for multi-point independent vibration feedback and/or multi-point independent temperature feedback, as well as vibration flow and heat flow feedback. The space positioning function area comprises a space positioning module, which can obtain position information of the handle in space in real time.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: March 22, 2022
    Inventors: Dangxiao Wang, Yuru Zhang, Qiqi Guo, Yijie Gong
  • Publication number: 20210373669
    Abstract: A multimodal tactile feedback glove, comprising a finger position tracking unit, which is used for measuring a spacial position of fingers; a movement angle measurement device, which is used for measuring a movement angle of each joint of fingers; a fingertip force feedback unit (1), which is arranged on a back side of a hand for providing the fingertip force feedback by a fingertip drive; a joint force feedback unit (2), which is arranged at the joints of fingers and for providing the joint force feedback by a variable stiffness joint drive; and a fingertip tactile feedback unit (3), which is selected from one of a temperature feedback unit, a texture feedback unit or a temperature-texture combined feedback unit, is arranged at a position on one side of the palm where the fingertip feedback unit (1) is connected with the fingertip, and is used for providing temperature feedback or texture feedback or simultaneous temperature and texture feedback of the fingertip.
    Type: Application
    Filed: April 18, 2019
    Publication date: December 2, 2021
    Inventors: Dangxiao WANG, Yu ZHANG, Ziqi WANG, Yuru ZHANG
  • Publication number: 20210318756
    Abstract: Disclosed is a texture presentation apparatus driven by a high-density flexible electromagnetic coil array, including a surface layer and a driving layer. The surface layer is in direct contact with the fingertip of a finger to ensure interaction safety of a user, is capable of adjusting the friction force when the finger touches and slides on the surface layer, and has a shielding and protection effect on the driving layer; the driving layer includes a stretchable soft substrate and a plurality of micro driving units, each micro driving unit is independently controllable, the driving layer adjusts the microscopic geometric morphology of a texture surface; the texture presentation apparatus is capable of implementing multi-scale fine texture presentation; when the fingertip comes into contact with the surface layer, the texture presentation apparatus controls, based on different surface textures of an object to be simulated in a virtual environment.
    Type: Application
    Filed: October 10, 2019
    Publication date: October 14, 2021
    Inventors: Dangxiao Wang, Yuan Guo, Ziqi Wang, Yuru Zhang
  • Patent number: 11144127
    Abstract: Disclosed is a texture presentation apparatus driven by a high-density flexible electromagnetic coil array, including a surface layer and a driving layer. The surface layer is in direct contact with the fingertip of a finger to ensure interaction safety of a user, is capable of adjusting the friction force when the finger touches and slides on the surface layer, and has a shielding and protection effect on the driving layer; the driving layer includes a stretchable soft substrate and a plurality of micro driving units, each micro driving unit is independently controllable, the driving layer adjusts the microscopic geometric morphology of a texture surface; the texture presentation apparatus is capable of implementing multi-scale fine texture presentation; when the fingertip comes into contact with the surface layer, the texture presentation apparatus controls, based on different surface textures of an object to be simulated in a virtual environment.
    Type: Grant
    Filed: October 10, 2019
    Date of Patent: October 12, 2021
    Assignee: Beihang University
    Inventors: Dangxiao Wang, Yuan Guo, Ziqi Wang, Yuru Zhang
  • Publication number: 20210141459
    Abstract: Disclosed is a multi-tactile fusion feedback handle, characterized in that the handle comprises three areas, namely, a finger tactile function area, a palm tactile function area and a space positioning function area. The finger tactile function area comprises one or more tactile buttons, a finger can operate the tactile buttons alone or in combination, and the tactile buttons have feedback functions for one or more kinds of tactility, namely, softness, temperature, surface friction and texture, and shape. The palm tactile function area comprises a multi-point independent vibration source and/or a multi-point independent heat source, which can be used for multi-point independent vibration feedback and/or multi-point independent temperature feedback, as well as vibration flow and heat flow feedback. The space positioning function area comprises a space positioning module, which can obtain position information of the handle in space in real time.
    Type: Application
    Filed: October 23, 2018
    Publication date: May 13, 2021
    Inventors: Dangxiao WANG, Yuru ZHANG, Qiqi GUO, Yijie GONG
  • Patent number: 10500017
    Abstract: A digital control laser automatic tooth preparation method and device and a tooth positioner are provided. The device includes an intra-oral three-dimensional scanner, a dental laser, an oral working end, an oral and maxillofacial cone beam CT scanner, a computer, a tooth positioner, a negative-pressure suction device and a real-time monitoring device. The computer is connected respectively with the intra-oral three-dimensional scanner, the dental laser, the oral working end, the oral and maxillofacial cone beam CT scanner, the negative-pressure suction device, and the real-time monitoring device. The dental laser is connected with the oral working end of the digital control laser tooth preparation control system through a light guiding arm (1). The oral working end of the digital control laser tooth preparation control system is connected with the tooth positioner and the real-time monitoring device. The negative-pressure suction device is connected with the tooth positioner.
    Type: Grant
    Filed: July 23, 2014
    Date of Patent: December 10, 2019
    Assignee: Peking University School of Stomatology
    Inventors: Peijun Lv, Yong Wang, Yuchun Sun, Dangxiao Wang, Wenqi Ge, Ning Dai, Yongbo Wang, Jing Zhang, Chaohui Shi, Yuru Zhang, Lei Wang, Lei Ma, Haihua Cui, Huifu Li, Dongdong Wang
  • Patent number: 10394271
    Abstract: A force feedback handle device with a degree-of-freedom includes: a driving part (1), a link part (2) and a frame part (3); wherein the driving part (1) and the link part (2) are both installed on a top board (9), and a rotation axis of the link part (2) coincides with a rotation axis of the driving part (1); the driving part (1), the link part (2) and the frame part (3) are fixed and connected by bolts. A working method of the force feedback handle device includes four steps. The force feedback device of the invention has low inertia and high stiffness performance, which improves overall interaction performance of the force feedback device. The structure is simple and a manufacturing cost is low.
    Type: Grant
    Filed: May 4, 2017
    Date of Patent: August 27, 2019
    Assignee: BEIHANG UNIVERSITY
    Inventors: Yuru Zhang, Dangxiao Wang, Hongdong Zhang, Jian Song, Xiaohan Zhao
  • Publication number: 20170235327
    Abstract: A force feedback handle device with a degree-of-freedom includes: a driving part (1), a link part (2) and a frame part (3); wherein the driving part (1) and the link part (2) are both installed on a top board (9), and a rotation axis of the link part (2) coincides with a rotation axis of the driving part (1); the driving part (1), the link part (2) and the frame part (3) are fixed and connected by bolts. A working method of the force feedback handle device includes four steps. The force feedback device of the invention has low inertia and high stiffness performance, which improves overall interaction performance of the force feedback device. The structure is simple and a manufacturing cost is low.
    Type: Application
    Filed: May 4, 2017
    Publication date: August 17, 2017
    Inventors: Yuru Zhang, Dangxiao Wang, Hongdong Zhang, Jian Song, Xiaohan Zhao
  • Publication number: 20160367336
    Abstract: A digital control laser automatic tooth preparation method and device and a tooth positioner are provided. The device includes an intra-oral three-dimensional scanner, a dental laser, an oral working end of a digital control laser tooth preparation control system, an oral and maxillofacial cone beam CT scanner, a computer, a tooth positioner, a negative-pressure suction device and a real-time monitoring device. The computer is connected respectively with the intra-oral three-dimensional scanner, the dental laser, the oral working end of the digital control laser tooth preparation control system, the oral and maxillofacial cone beam CT scanner, the negative-pressure suction device, and the real-time monitoring device. The dental laser is connected with the oral working end of the digital control laser tooth preparation control system through a light guiding arm(1).
    Type: Application
    Filed: July 23, 2014
    Publication date: December 22, 2016
    Inventors: PEIJUN LV, YONG WANG, YUCHUN SUN, DANGXIAO WANG, WENQI GE, NING DAI, YONGBO WANG, JING ZHANG, CHAOHUI SHI, YURU ZHANG, LEI WANG, LEI MA, HAIHUA CUI, HUIFU LI, DONGDONG WANG