Patents by Inventor Dongguang Liu

Dongguang Liu 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: 11291363
    Abstract: An automatic strabismus detection mechanism includes a housing and an eyepiece arranged on the housing. A lens mechanism located on a same axis as the eyepiece is arranged in the housing. The lens mechanism is provided with a rotating mechanism for adjusting an angle of refraction. The automatic strabismus detection mechanism includes technical effects of being composed of the lens mechanism and automatically controlled to generate 0 to 50 prism degrees; the volume is small and the weight is light, which is lighter than that of a triangular prism block made of ordinary glass; and the manufacturing cost is low, which is about one fifth of the price of a lens row. Therefore, with the automatic strabismus detection mechanism, a variety of equipment and instruments based on the principle of triangular prism spectroscopic detection or dispersion is greatly improved, and development of related instruments and equipment is facilitated.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: April 5, 2022
    Inventor: Dongguang Liu
  • Publication number: 20220008272
    Abstract: The utility model discloses a novel nursing bed and chair system. The system includes a bed frame. The bed frame is provided with a backrest portion, a footrest portion and a cushion portion. The backrest portion and the footrest portion are connected to the cushion portion in a vertically rotatable manner, respectively. One end of the footrest portion, remote from the cushion portion, is provided with a foot pad portion. The foot pad portion is rotatably connected to the footrest portion. The system further includes a backrest push rod and a footrest push rod with outer housings being fixed to the bed frame. An actuator of the backrest push rod is fixedly connected to the back of the backrest portion. The outer housing of the footrest push rod is fixed to the bed frame, and an actuator of the footrest push rod is connected to a transmission mechanism. The transmission mechanism includes a transmission frame and an L-shaped support frame.
    Type: Application
    Filed: July 30, 2019
    Publication date: January 13, 2022
    Inventor: DONGGUANG LIU
  • Publication number: 20210282637
    Abstract: The disclosure discloses an automatic strabismus detection mechanism. The automatic strabismus detection mechanism includes a housing and an eyepiece arranged on the housing. A lens mechanism located on a same axis as the eyepiece is arranged in the housing, wherein the lens mechanism is provided with a rotating mechanism for adjusting an angle of refraction. The disclosure has the beneficial technical effects that the automatic strabismus detection mechanism is composed of the lens mechanism and automatically controlled to generate 0 to 50 prism degrees; the volume is small and the weight is light, which is lighter than that of a triangular prism block made of ordinary glass; and the manufacturing cost is low, which is about one fifth of the price of a lens row.
    Type: Application
    Filed: November 29, 2018
    Publication date: September 16, 2021
    Inventor: DONGGUANG LIU
  • Patent number: 10775646
    Abstract: A pair of intelligent temperature- and humidity-control visible multi-function eye-care massage glasses, having blinders in which they are equipped with windows and control circuits, and also having heating devices and humidity-control devices equipped at the peripheries of the windows, wherein the control circuits are electrically connected to the heating devices and the humidity-control devices respectively. The beneficial effects of the present invention: it does not press on the eyeballs, so as to avoid causing or aggravating eye diseases; it provides intelligent temperature- and humidity-control devices, which can effectively ameliorate eye discomfort; people can work or recreate as usual when wearing it, which is good for long-term wear so as to achieve a good long-term effect. It also has balloon-like airbags, which can more effectively stimulate the meridian points of the eyes so as to enhance the massage effect.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: September 15, 2020
    Inventor: Dongguang Liu
  • Patent number: 9968510
    Abstract: An intelligent intraocular and extraocular muscle sensitivity exercise training instrument which is disposed with an ocular head (1) consisting of a front shell (11), a middle shell (12) and a back shell (13), and a control device (2) electrically connected to the ocular head (1), as well as an intraocular muscle exercise bar (3) electrically connected to the control device (2). The beneficial effects are as below: in addition to supplementing the field of portable intraocular and extraocular muscle training instruments, it is also convenient for students to put it in their school bags for use at any time thanks to its intelligent operations and foldable structure, it overcomes the shortcomings of the above-mentioned pure extraocular and intraocular muscle sensitivity training instruments. Therefore, it is bound to have a profound effect on myopia control, dyslexia remediation, eye healthcare, and memory improvement among teenagers.
    Type: Grant
    Filed: December 25, 2015
    Date of Patent: May 15, 2018
    Inventor: Dongguang Liu
  • Publication number: 20170281454
    Abstract: An intelligent intraocular and extraocular muscle sensitivity exercise training instrument which is disposed with an ocular head (1) consisting of a front shell (11), a middle shell (12) and a back shell (13), and a control device (2) electrically connected to the ocular head (1), as well as an intraocular muscle exercise bar (3) electrically connected to the control device (2). The beneficial effects are as below: in addition to supplementing the field of portable intraocular and extraocular muscle training instruments, it is also convenient for students to put it in their school bags for use at any time thanks to its intelligent operations and foldable structure, it overcomes the shortcomings of the above-mentioned pure extraocular and intraocular muscle sensitivity training instruments. Therefore, it is bound to have a profound effect on myopia control, dyslexia remediation, eye healthcare, and memory improvement among teenagers.
    Type: Application
    Filed: December 25, 2015
    Publication date: October 5, 2017
    Inventor: Dongguang LIU
  • Publication number: 20170269376
    Abstract: A head-worn automatic flipping eyewear comprises a housing (1), front automatic flipping lenses (2), rear fixed lenses (3), a transmission system, a circuit control system and a head fixing piece (7). The front automatic flipping lenses (2) are rotatably connected to the housing (1), and the rear fixed lenses (3) are fixedly connected to the housing (1), wherein the front automatic flipping lenses (2) are located in front of the rear fixed lenses (3). The transmission system and the circuit control system are located in the housing (1), and the head fixing piece (7) is located on the housing (1), wherein the circuit control system controls operations of the transmission system, and the transmission system controls flipping of the front automatic flipping lenses (2). The head-worn automatic flipping eyewear can be worn on the head for training, and the lenses are automatically flipped up or down, such that holding the lenses with a hand or manually flipping the lenses is unnecessary.
    Type: Application
    Filed: June 8, 2017
    Publication date: September 21, 2017
    Inventor: Dongguang LIU
  • Publication number: 20170139235
    Abstract: The present invention discloses a pair of intelligent temperature- and humidity-control visible multi-function eye-care massage glasses, comprising blinders in which they are equipped with windows and control circuits corresponding to eye positions, and also comprising heating devices and humidity-control devices equipped at the peripheries of the windows, wherein the control circuits are electrically connected to the heating devices and the humidity-control devices respectively. The beneficial effects of the present invention: it does not press on the eyeballs, so as to avoid causing or aggravating eye diseases; it provides intelligent temperature- and humidity-control devices, which can effectively ameliorate eye discomfort; people can work or recreate as usual when wearing it, which is good for long-term wear so as to achieve a good long-term effect. It also has balloon-like airbags, which can more effectively stimulate the meridian points of the eyes so as to enhance the massage effect.
    Type: Application
    Filed: November 16, 2016
    Publication date: May 18, 2017
    Inventor: Dongguang LIU
  • Patent number: D771176
    Type: Grant
    Filed: October 2, 2015
    Date of Patent: November 8, 2016
    Inventor: Dongguang Liu