Patents by Inventor Ruihua Li

Ruihua Li 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: 20220207680
    Abstract: An image processing method includes obtaining a plurality of frames of raw images. After preprocessing such as image alignment, channel splitting or pixel rearrangement is performed on the obtained plurality of frames of raw images, detail restoration is performed on an image based on a deep learning network, and luminance enhancement and color enhancement are performed on an image output by the deep learning network. A plurality of types of processing related to detail restoration are integrated into a same deep learning network.
    Type: Application
    Filed: March 18, 2022
    Publication date: June 30, 2022
    Inventors: Yinting Wang, Xi Zhang, Ruihua Li, Liping Zhang, Yining Huang, Yi Lei, Zuquan Zheng, Yifan Zhang, Xin Li, Xiaowei Yang
  • Publication number: 20220158012
    Abstract: A solar module includes solar cells that are encapsulated. A back layer is disposed towards back sides of the solar cells and a transparent layer is disposed towards front sides of the solar cells. A protection coating is formed on a surface of the solar cells. The protection coating can be continuous or have a pattern with cutouts that expose the surface of the solar cells.
    Type: Application
    Filed: November 16, 2021
    Publication date: May 19, 2022
    Applicant: SunPower Corporation
    Inventors: Ruihua LI, Yafu LIN
  • Patent number: 11323854
    Abstract: Various embodiment provide a multi-terminal cooperative working method, a terminal device, and a multi-terminal cooperative system. In those embodiments, a primary device can send networking information to a plurality of secondary devices, and the primary device has a permission to manage the cooperative network. The primary device can receive networking confirmation information sent by the plurality of secondary devices; and send configuration information to the plurality of secondary devices separately. The configuration information can be used to instruct to switch, based on a preset management permission switching mechanism when the primary device becomes abnormal or the primary device exits from the cooperative network, the permission to manage the cooperative network. The primary device can clear the secondary device from the cooperative network the secondary device becomes abnormal. In this way, robustness of the cooperative network can be improved.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: May 3, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Ruihua Li, Wei Xiao, Fan Fan, Hua Chen, Lelin Wang, Jiang Li, Heng Liao
  • Publication number: 20220109944
    Abstract: This application provides a multimedia information processing method and apparatus, and a storage medium. The method includes: determining a data transmission delay between a terminal device and a first playing device of at least two playing devices; determining a clock offset between the terminal device and the first playing device based on the data transmission delay between the terminal device and the first playing device; and determining, based on the clock offset between the terminal device and the first playing device, a first start playing time of multimedia information corresponding to the first playing device. The multimedia information processing method and apparatus, and storage medium provided in this application can enable each of the at least two playing devices to synchronously play multimedia information corresponding to the playing device, to improve listening experience of a user.
    Type: Application
    Filed: December 17, 2021
    Publication date: April 7, 2022
    Inventors: Fan FAN, Jiang LI, Ruihua LI, Lelin WANG, Shuo LI, Jincheng LUO, Yu HUANG, Meng WANG
  • Patent number: 11246039
    Abstract: This application provides a method for secure multi-terminal cooperative working, applied to a network on which a plurality of terminal devices perform cooperative playing and/or cooperative recording, where the plurality of terminal devices include a first terminal device. The method includes: determining, by the first terminal device, a security mechanism; obtaining, by the first terminal device, cooperative working information, where the cooperative working information is information played and/or recorded by the plurality of terminal devices; and performing, by the first terminal device, security processing on the cooperative working information based on the security mechanism.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: February 8, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Ruihua Li, Hua Chen, Dawei Huo, Wei Xiao, Jianfeng Xu, Heng Liao
  • Patent number: 11206352
    Abstract: The present disclosure discloses a method for image or video shooting. The method is applied to a terminal that includes a first camera, a second camera, and a third camera. The second camera is a black-and-white camera, and the first camera, the second camera, and the third camera are cameras using prime lenses. The third camera is a color camera using a tele-photo lens. The method includes determining at least one camera from the first camera, the second camera, and the third camera based on a target zoom ratio as a target camera. The method further includes capturing, by using the target camera, at least one image that includes a target scene. The method further includes obtaining an output image of the target scene based on the at least one image that includes the target scene. According to the present disclosure, an approximately 5× lossless zoom effect is achieved.
    Type: Grant
    Filed: July 23, 2020
    Date of Patent: December 21, 2021
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yinting Wang, Xi Zhang, Yifan Zhang, Jinwei Chen, Haidong Gao, Changqi Hu, Ruihua Li
  • Publication number: 20210300119
    Abstract: An inner tube having a disconnected pattern, two ends of the inner tube having the disconnected pattern is respectively disposed with a first joint and a second joint. Free ends of the first joint and the second joint are respectively disposed with a first closed surface and a second closed surface; a sleeve further extends from a free end of the first joint or the second joint in a length direction of an inner tube body; the first joint and the second joint are connected face-to-face by the sleeve to enable the inner tube body having an elongated shape to be spliced to define an inner tube linked end-to-end. A tire, which uses the inner tube having the disconnected pattern.
    Type: Application
    Filed: June 10, 2021
    Publication date: September 30, 2021
    Inventor: Ruihua LI
  • Publication number: 20210296520
    Abstract: A solar module includes at least one first solar cell and at least one second solar cell, each including: a substrate including a first semiconductor region of a first conductivity type and a second semiconductor region of a second conductivity type different from the first conductivity type; a first metallization pattern providing electrical contact to the first semiconductor region of the first conductivity type; and a second metallization pattern providing electrical contact to the second semiconductor region of the second conductivity type; and an electrically conductive adhesive material disposed between at least a portion of the first metallization pattern of the first solar cell and the second metallization pattern of the second solar cell, wherein the electrically conductive adhesive material has a glass transition temperature (Tg) greater than 70° C. and an elastic modulus less than 3500 MPa.
    Type: Application
    Filed: March 23, 2020
    Publication date: September 23, 2021
    Applicant: SUNPOWER CORPORATION
    Inventors: Ruihua LI, Yafu LIN
  • Patent number: 11123670
    Abstract: The present invention discloses a method for preparing a simultaneous nitrogen and phosphorus removal lightweight material and the use thereof, and belongs to the technical field of environmental functional materials and sewage treatment. In the present invention, sulfur and an iron-based component are thoroughly melted and dispersed to obtain a molten mixture, where the iron-based component is a mixture of iron sulfides with carbonates of calcium and magnesium; and the above molten mixture is subjected to a foaming treatment to form the simultaneous nitrogen and phosphorus removal lightweight material. The simultaneous nitrogen and phosphorus removal lightweight material of the present invention has characteristics of high porosity, a large specific surface area, a light weight, and a high reaction activity.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: September 21, 2021
    Assignee: NANJING UNIVERSITY
    Inventors: RuiHua Li, SiWen Shen, LiSong Zhou, LiYu Luo, MengSha Guan, Wei Wang, ZhiBin Ge
  • Publication number: 20210183041
    Abstract: A monitoring and photographing module includes one primary camera and N secondary cameras. The primary camera and the N secondary cameras are configured to collect images, and a frame rate at which any secondary camera collects an image is less than a frame rate at which the primary camera collects an image. Regions monitored by the N secondary cameras respectively cover N different regions in a region monitored by the primary camera, and a focal length of any secondary camera is greater than a focal length of the primary camera.
    Type: Application
    Filed: February 5, 2021
    Publication date: June 17, 2021
    Inventors: Ruihua Li, Hongqi Hu, Changcai Lai, Qingping Wang, Xiaolei Chen
  • Publication number: 20210152728
    Abstract: A time-division multiplexing fill light imaging method includes alternately generating a visible light frame and a fill light frame by using an image sensor, where the visible light frame is an image frame generated when the image sensor receives visible light but does not receive fill light, and the fill light frame is an image frame generated when the image sensor receives fill light, and combining a visible light frame and a fill light frame that are adjacent or consecutive, to obtain a composite frame.
    Type: Application
    Filed: January 29, 2021
    Publication date: May 20, 2021
    Inventors: Ruihua Li, Changcai Lai, Qingping Wang, Hongqi Hu, Xiaolei Chen
  • Publication number: 20210044729
    Abstract: A lens system and a camera, where the lens system includes a first refractive element, a second refractive element, a reflecting element, and a photosensitive element, where the first refractive element and the reflecting element are disposed along a direction of a first optical axis, the second refractive element and the reflecting element are disposed along a direction of a second optical axis, the first optical axis is perpendicular to the second optical axis, the second refractive element and the photosensitive element are disposed in parallel, an effective aperture diameter of the first refractive element is greater than an effective aperture diameter of the second refractive element in a height direction of the lens system, and the first optical axis is parallel to the height direction of the lens system.
    Type: Application
    Filed: October 22, 2020
    Publication date: February 11, 2021
    Inventors: Qingping Wang, Ruihua Li, Xiaogang Song
  • Publication number: 20200358954
    Abstract: The present disclosure discloses a method for image or video shooting. The method is applied to a terminal that includes a first camera, a second camera, and a third camera. The second camera is a black-and-white camera, and the first camera, the second camera, and the third camera are cameras using prime lenses. The third camera is a color camera using a tele-photo lens. The method includes determining at least one camera from the first camera, the second camera, and the third camera based on a target zoom ratio as a target camera. The method further includes capturing, by using the target camera, at least one image that includes a target scene. The method further includes obtaining an output image of the target scene based on the at least one image that includes the target scene. According to the present disclosure, an approximately 5x lossless zoom effect is achieved.
    Type: Application
    Filed: July 23, 2020
    Publication date: November 12, 2020
    Inventors: Yinting WANG, Xi ZHANG, Yifan ZHANG, Jinwei CHEN, Haidong GAO, Changqi HU, Ruihua LI
  • Publication number: 20200338485
    Abstract: The present invention discloses a method for preparing a simultaneous nitrogen and phosphorus removal lightweight material and the use thereof, and belongs to the technical field of environmental functional materials and sewage treatment. In the present invention, sulfur and an iron-based component are thoroughly melted and dispersed to obtain a molten mixture, where the iron-based component is a mixture of iron sulfides with carbonates of calcium and magnesium; and the above molten mixture is subjected to a foaming treatment to form the simultaneous nitrogen and phosphorus removal lightweight material. The simultaneous nitrogen and phosphorus removal lightweight material of the present invention has characteristics of high porosity, a large specific surface area, a light weight, and a high reaction activity.
    Type: Application
    Filed: December 19, 2019
    Publication date: October 29, 2020
    Inventors: RuiHua LI, SiWen SHEN, LiSong ZHOU, LiYu LUO, MengSha GUAN, Wei WANG, ZhiBin GE
  • Publication number: 20200288283
    Abstract: Various embodiment provide a multi-terminal cooperative working method, a terminal device, and a multi-terminal cooperative system. In those embodiments, a primary device can send networking information to a plurality of secondary devices, and the primary device has a permission to manage the cooperative network. The primary device can receive networking confirmation information sent by the plurality of secondary devices; and send configuration information to the plurality of secondary devices separately. The configuration information can be used to instruct to switch, based on a preset management permission switching mechanism when the primary device becomes abnormal or the primary device exits from the cooperative network, the permission to manage the cooperative network. The primary device can clear the secondary device from the cooperative network the secondary device becomes abnormal. In this way, robustness of the cooperative network can be improved.
    Type: Application
    Filed: May 26, 2020
    Publication date: September 10, 2020
    Inventors: Ruihua Li, Wei Xiao, Fan Fan, Hua Chen, Lelin Wang, Jiang Li, Heng Liao
  • Publication number: 20200288307
    Abstract: This application provides a method for secure multi-terminal cooperative working, applied to a network on which a plurality of terminal devices perform cooperative playing and/or cooperative recording, where the plurality of terminal devices include a first terminal device. The method includes: determining, by the first terminal device, a security mechanism; obtaining, by the first terminal device, cooperative working information, where the cooperative working information is information played and/or recorded by the plurality of terminal devices; and performing, by the first terminal device, security processing on the cooperative working information based on the security mechanism.
    Type: Application
    Filed: May 26, 2020
    Publication date: September 10, 2020
    Inventors: Ruihua LI, Hua CHEN, Dawei HUO, Wei XIAO, Jianfeng XU, Heng LIAO
  • Patent number: 10239774
    Abstract: The field of advanced wastewater treatment, and more specifically, to a natural pyrrhotite biofilter and a method for utilizing same to synchronously remove nitrate-nitrogen and phosphorus from water is provided. The method includes the following steps: (1) preparation of the packing material and construction of the biofilter; (2) start-up of the biofilter; (3) operation of the biofilter. The method disclosed in the present invention on the one hand takes pyrrhotite as the electron donor to help sulfur-based autotrophic denitrifying bacteria reduce nitrates into nitrogen gas, and on the other hand utilizes pyrrhotite and its oxidates to eliminate phosphorus through adsorption and chemical precipitation. Therefore, this method realizes synchronous removal of nitrate-nitrogen and phosphorus in water.
    Type: Grant
    Filed: June 28, 2014
    Date of Patent: March 26, 2019
    Assignee: NANJING UNIVERSITY
    Inventors: Ruihua Li, Junsong Hu, Qianqian Sun, Xiaomei Zhang, Zhuo Liu, Xinmin Zhan, Aimin Li
  • Publication number: 20160311712
    Abstract: The field of advanced wastewater treatment, and more specifically, to a natural pyrrhotite biofilter and a method for utilizing same to synchronously remove nitrate-nitrogen and phosphorus from water is provided. The method includes the following steps: (1) preparation of the packing material and construction of the biofilter; (2) start-up of the biofilter; (3) operation of the biofilter. The method disclosed in the present invention on the one hand takes pyrrhotite as the electron donor to help sulfur-based autotrophic denitrifying bacteria reduce nitrates into nitrogen gas, and on the other hand utilizes pyrrhotite and its oxidates to eliminate phosphorus through adsorption and chemical precipitation. Therefore, this method realizes synchronous removal of nitrate-nitrogen and phosphorus in water.
    Type: Application
    Filed: April 28, 2014
    Publication date: October 27, 2016
    Inventors: RUIHUA LI, JUNSONG HU, QIANQIAN SUN, XIAOMEI ZHANG, ZHUO LIU, XINMIN ZHAN, AIMIN LI
  • Patent number: 9143576
    Abstract: A streaming media processing method, device and system are disclosed in the embodiments of the present invention. The streaming media processing method includes: judging whether a transcoding is required according to the current bandwidth of a user terminal and a code rate of a pre-stored code stream, if yes, selecting a code stream of which the code rate is higher than the current bandwidth of the user terminal from the pre-stored code stream to perform the transcoding, and outputting the code stream matching the current bandwidth of the user terminal to the user terminal. The embodiments of the present invention enable the user terminal to obtain the streaming media of higher quality by effectively utilizing the bandwidth.
    Type: Grant
    Filed: December 29, 2011
    Date of Patent: September 22, 2015
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Muyang Wan, Ruihua Li, Weiqin Wang, Weiteng Feng
  • Patent number: 8355181
    Abstract: A method for processing non-standard facilities frames by T.38 gateways, wherein the T.38 gateways includes at least one transmitting gateway and at least one receiving gateway, the transmitting gateway is connected with a transmitting facsimile machine, and the receiving gateway is connected with a receiving facsimile machine. The method includes: a) the transmitting gateway and the receiving gateway determining the types of all received V.21 frames; b) when the receiving gateway or the transmitting gateway receives a non-standard frame NSF, modifying the non-standard frame NSF, so that the corresponding receiving facsimile machine or transmitting facsimile machine is unable to receive a correct NSF frame; c) the receiving gateway encapsulating the modified NSF frame data, or the transmitting gateway modulating the modified NSF frame data and transmitting the modulated frame data. The method modifies the rate negotiation performed with proprietary frames as a negotiation performed with standard frames.
    Type: Grant
    Filed: February 3, 2006
    Date of Patent: January 15, 2013
    Assignee: Huawei Technologies Co., Ltd.
    Inventor: Ruihua Li