Patents by Inventor Hai Xu
Hai Xu 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: 20240131222Abstract: The present invention relates to a transdermal photocuring forming hydrogel with biological activity. The hydrogel can release recombinant collagen with biological activity, the recombinant collagen includes a sequence as shown in SEQ ID No. 1, an amino acid sequence of the recombinant collagen includes N basic repetitive units, and each basic repetitive unit includes n1 of the following characteristic amino acid sequences: “G-Xaa1-Xaa2-G-E-Xaa3”; the 3? end and the 5? end of the basic repetitive unit are connected to form the above characteristic amino acid sequence. The recombinant collagen provided by the present invention has relatively obvious integrin binding activity, and has the effects of promoting cell adhesion, proliferation and differentiation. The hydrogel of the present invention has good biocompatibility and stable quality, which can be cured and formed in situ in a transdermal photo-crosslinking manner after injection, with simple, convenient and controllable operation.Type: ApplicationFiled: October 8, 2023Publication date: April 25, 2024Inventors: Hai LIN, He QIU, Jing WANG, Jian WANG, Yang XU, Lu SONG, Xia YANG, Xingdong ZHANG
-
Patent number: 11967320Abstract: A process of a voice control method with a cloud server and a terminal device. The voice control method includes: a terminal device receiving voice information; the terminal device querying a control instruction corresponding to the voice information from a local voice database; when the control instruction corresponding to the voice information is not queried in the local voice database, the terminal device uploading the voice information to a cloud server; the cloud server parsing the control instruction corresponding to the voice information; when the control instruction corresponding to the voice information is parsed, the cloud server sending the control instruction to the terminal device; and the terminal device receiving the control instruction, and performing a corresponding operation on the basis of control instruction.Type: GrantFiled: November 26, 2019Date of Patent: April 23, 2024Assignees: QINGDAO HAIER WASHING MACHINE CO., LTD., HAIER SMART HOME CO., LTD.Inventors: Zhenxing Huang, Sheng Xu, Junming Yin, Hai Shu
-
Patent number: 11962160Abstract: A generator control system capable of realizing series-parallel connection comprises a first generator, a second generator, a first inverter and a second inverter, wherein a power output terminal of the first generator is connected to a power input terminal of the first inverter, and a power output terminal of the second generator is connected to a power input terminal of the second inverter. The generator control system further comprises a series-parallel connection box, and the first inverter and the second inverter are connected to the series-parallel connection box. Various voltages and power can be provided through the change-over switch.Type: GrantFiled: February 22, 2023Date of Patent: April 16, 2024Assignee: CHONGQING DINKING POWER MACHINERY CO., LTDInventors: Jinbo Lu, Xiang Liu, Yuansong Wu, Shiqian Xie, Hai Xu
-
Publication number: 20240115763Abstract: The present invention discloses a recombinant collagen protein and its use in the cartilage repair matrix. The present invention discloses a recombinant collagen protein which contains the sequence shown in SEQ ID No. 1; the amino acid sequence of the stated recombinant collagen protein comprises N basic repetitive units; the basic repetitive unit contains n1 amino acid sequences with the following characteristic: G-Xaa1-Xaa2-G-E-Xaa3; the 3? end and the 5? end of the basic repetitive unit are connected to form the amino acid sequence with the above characteristic. The recombinant collagen protein claimed by the present invention has significant integrin binding activity, has the effect of promoting cell adhesion, proliferation, differentiation, and repairing cartilage tissue defects, etc, and it has promising prospects for application.Type: ApplicationFiled: October 9, 2023Publication date: April 11, 2024Inventors: Hai LIN, Yang XU, Jing WANG, Zhanhong LIU, Xia YANG, Xingdong ZHANG
-
Patent number: 11955710Abstract: An antenna structure includes a first signal connector and a second signal connector. The antenna structure further includes a cavity antenna defined by a set of planar walls. The cavity antenna is coupled to the first signal connector and configured to emit a field polarized linearly in a first direction when driven by a signal at the first signal connector. The antenna structure further includes a dipole antenna defined by a pair of arms that are integrated with a wall of the cavity antenna. The dipole antenna is coupled to the second signal connector and configured to a field polarized linearly in a second direction offset from the first direction when driven by a signal at the second signal connector.Type: GrantFiled: December 7, 2018Date of Patent: April 9, 2024Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Hanyang Wang, Hang Xu, Steven Gao, Hai Zhou
-
Patent number: 11950255Abstract: Embodiments of the present application disclose an information transmission method, a terminal device and a network device. The method comprises: a terminal device receiving a first synchronization signal block and a physical downlink control channel sent by a network device in a first time slot or a first mini-slot, wherein the first time slot or the first mini-slot comprises N symbols, the first synchronization signal block occupies M consecutive symbols in the first time slot or the first mini-slot, the first synchronization signal block comprises a synchronization signal and a physical broadcast channel, M and N are positive integers, and M?N.Type: GrantFiled: April 5, 2022Date of Patent: April 2, 2024Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.Inventors: Hai Tang, Hua Xu
-
Publication number: 20240094420Abstract: The embodiment of the present disclosure provides an imaging method for a dispersion energy spectrum of surface waves, an electronic device, and a storage medium. The imaging method includes: obtaining first surface wave data, and the first surface wave data corresponding to a space-time domain representation; processing the first surface wave data to obtain the second surface wave data, and the second surface wave data corresponding to a space-frequency domain representation; and processing the second surface wave data based on a preset algorithm to obtain a first imaging result, the first imaging result corresponding to a slowness-frequency domain representation.Type: ApplicationFiled: June 27, 2023Publication date: March 21, 2024Applicant: SOUTHWEST PETROLEUM UNIVERSITYInventors: Weiping CAO, Luo LI, Xuri HUANG, Hai YAO, Yungui XU, Yezheng HU, Jing TANG, Ran YANG, Mengcheng LI
-
Patent number: 11934488Abstract: The present disclosure provides a method and system for constructing a digital rock, and relates to the technical field of digital rocks. According to the method, a three-dimensional (3D) digital rock image that can reflect real rock information is obtained using an image scanning technology, and the image is preprocessed to obtain a digital rock training image for training a generative adversarial network (GAN). The trained GAN is stored to obtain a digital rock construction model. The stored digital rock construction model can be directly used to quickly construct a target digital rock image. This not only greatly reduces computational costs, but also reduces costs and time consumption for obtaining high-resolution sample images. In addition, the constructed target digital rock image can also reflect real rock information.Type: GrantFiled: September 10, 2020Date of Patent: March 19, 2024Assignee: China University of Petroleum (East China)Inventors: Yongfei Yang, Fugui Liu, Jun Yao, Huaisen Song, Kai Zhang, Lei Zhang, Hai Sun, Wenhui Song, Yuanbo Wang, Bozhao Xu
-
Patent number: 11877084Abstract: A method may include obtaining a frame of a video stream of multiple video streams of a video conference, obtaining face detection information identifying a face size and a face position of at least one face detected in the frame, and cropping and scaling the frame according to at least one crop and scale parameter using the face detection information to obtain a modified first frame. The at least one crop and scale parameter is based on frames of the multiple video streams. The frames include the frame. The method may further include presenting the modified frame.Type: GrantFiled: June 29, 2020Date of Patent: January 16, 2024Assignee: Hewlett-Packard Development Company, L.P.Inventors: Hai Xu, Xi Lu, Yongkang Fan, Tiantian Pang, Matthew Xiang
-
Patent number: 11874275Abstract: The present disclosure relates to the technical field of rapid detection of molecules, and specifically relates to a method for rapid fluorescent immunoassay (FIA) and chemiluminescent immunoassay (CLIA) based on electrokinetic acceleration. The method includes the following steps sequentially: S1. sample acceleration: applying an actuating signal to a chip on which a target molecule is dripped to obtain a chip binding to the target molecule, where the chip includes an electrode sheet and coating molecules is immobilized on the electrode sheet; and S2. secondary antibody acceleration: adding a secondary antibody for binding to the target molecule dropwise on the chip binding to the target molecule, and applying an actuating signal to the chip to obtain a chip binding to the secondary antibody. The method can effectively improve a rate of FIA and CLIA, and can speed up a detection process and meet the need for rapid point-of-care testing (POCT).Type: GrantFiled: June 5, 2023Date of Patent: January 16, 2024Assignee: FOSHAN MICROWONDERS BIOTECHNOLOGY CO., LTD.Inventors: Xiaozhu Liu, Hai Xu, Yanmin Li, Jun Li, Yong Hu, Li Tong, Jie Lin, Zhidong Zhang, Lihua Yang, Liang Ma, Zheng Zeng, Linggao Zeng, Li Chen, Shengxi Wu, Shenghui Qin
-
Patent number: 11805225Abstract: A method of tracking a presenter during a videoconference, comprising: detecting, in a data stream, data indicating a presence of one or more persons at a videoconferencing endpoint, the data stream comprising a plurality of frames; detecting tracker initiation data (e.g., that a person is actively talking, or that a person has raised their hand, or both) in the data stream; determining a subject of interest responsive to the tracker initiation data, and tracking the subject of interest as they move while making a presentation.Type: GrantFiled: June 10, 2020Date of Patent: October 31, 2023Assignee: PLANTRONICS, INC.Inventors: Hai Xu, Xi Lu, Yongkang Fan, Wenxue He, Hailin Song
-
Patent number: 11803984Abstract: A method (1000) for operating cameras (202) in a cascaded network (100), comprising: capturing a first view (1200) with a first lens (326) having a first focal point (328) and a first centroid (352), the first view (1200) depicting a subject (1106); capturing a second view (1202) with a second lens (326) having a second focal point (328) and a second centroid (352); detecting a first location of the subject (1106), relative the first lens (326), wherein detecting the first location of the subject (1106), relative the first lens (326), is based on audio captured by a plurality of microphones (204); estimating a second location of the subject (1106), relative the second lens (326), based on the first location of the subject (1106) relative the first lens (326); selecting a portion (1206) of the second view (1202) as depicting the subject (1106) based on the estimate of the second location of the subject (1106) relative the second lens (326).Type: GrantFiled: June 4, 2020Date of Patent: October 31, 2023Assignee: PLANTRONICS, INC.Inventors: Yongkang Fan, Hai Xu, Wenxue He, Hailin Song, Tianran Wang, Xi Lu
-
Publication number: 20230324380Abstract: The present disclosure relates to the technical field of rapid detection of molecules, and specifically relates to a method for rapid fluorescent immunoassay (FIA) and chemiluminescent immunoassay (CLIA) based on electrokinetic acceleration. The method includes the following steps sequentially: S1. sample acceleration: applying an actuating signal to a chip on which a target molecule is dripped to obtain a chip binding to the target molecule, where the chip includes an electrode sheet and coating molecules is immobilized on the electrode sheet; and S2. secondary antibody acceleration: adding a secondary antibody for binding to the target molecule dropwise on the chip binding to the target molecule, and applying an actuating signal to the chip to obtain a chip binding to the secondary antibody. The method can effectively improve a rate of FIA and CLIA, and can speed up a detection process and meet the need for rapid point-of-care testing (POCT).Type: ApplicationFiled: June 5, 2023Publication date: October 12, 2023Inventors: Xiaozhu Liu, Hai Xu, Yanmin Li, Jun Li, Yong Hu, Li Tong, Jie Lin, Zhidong Zhang, Lihua Yang, Liang Ma, Zheng Zeng, Linggao Zeng, Li Chen, Shengxi Wu, Shenghui Qin
-
Patent number: 11775834Abstract: A videoconferencing endpoint is described that uses a cascading sequence of convolutional neural networks to perform face detection and upper body detection of participants in a videoconference at the endpoint, where at least one member of the sequence of neural networks performs upper body detection, and where the final member of the sequence of neural networks performs face detection based on the results of the upper body detection. The models of the neural networks are trained on both large datasets of faces well as images that have been distorted by a wide-angle camera of the videoconferencing endpoint.Type: GrantFiled: November 22, 2018Date of Patent: October 3, 2023Assignee: Polycom, LLCInventors: Hai Xu, Xi Lu, Yongkang Fan, Wenxue He
-
Publication number: 20230306618Abstract: A method may include identifying primly camera speaker coordinates of a location of a speaker relative to a primary camera, converting the primary camera speaker coordinates to secondary camera speaker coordinates, the secondary camera speaker coordinates being of the location and relative to a secondary camera, and adjusting, using the secondary camera speaker coordinates of the secondary camera, a view setting of the secondary camera to track the location of the speaker.Type: ApplicationFiled: September 9, 2020Publication date: September 28, 2023Applicant: POLYCOM COMMUNICATIONS TECHNOLOGY (BEIJING) CO., LTD.Inventors: Yongkang Fan, Xi Lu, Hai Xu, Hailin Song, Wenxue He
-
Publication number: 20230245271Abstract: A real-time method (600) for enhancing facial images (102). Degraded images (102) of a person—such as might be transmitted during a videoconference—are rectified based on a single high definition reference image (604) of a person who is talking. Facial landmarks (501) are used to map (210) image data from the reference image (604) to an intervening image (622) having a landmark configuration like that in a degraded image (102). The degraded images (102) and their corresponding intervening images (622) are blended using an artificial neural network (800, 900) to produce high-quality images (108) of the person who is speaking during a videoconference.Type: ApplicationFiled: July 6, 2020Publication date: August 3, 2023Inventors: Hailin Song, Hai Xu, Yongkang Fan, Tianran Wang, Xi Lu
-
Publication number: 20230237673Abstract: The disclosure discloses a mobile photoelectric detection and identification system for low, slow and small targets. The optical detection subsystem and the photoelectric parallel processing and identification subsystem are arranged on the servo subsystem, and the servo subsystem is carried on an installation platform of a vehicle. The optical detection subsystem is configured to collect multi-wavelength band optical information from the target and the background. The co-processing module of various wavelength bands is configured to perform single-frame detection and identification of the target from the image information of the corresponding wavelength band. The information processing main control module is configured to use JPEG image compression, track association and multi-frame combining methods to perform a multi-frame detection and identification on the target. The servo subsystem is configured to complete target tracking according to the multi-frame detection and identification results.Type: ApplicationFiled: January 26, 2023Publication date: July 27, 2023Inventors: Tianxu ZHANG, Yiguang ZHANG, Lianjie LU, Chuanyi WEN, Hai XU, Yingzhuang LIU, Jian LIU, Tiejun ZHANG
-
Patent number: 11701956Abstract: A drive system for an electric vehicle includes a housing having a first housing portion, a second housing portion connected to the first housing portion, and a third housing portion connected to the second housing portion. The third housing portion includes a torque arm connectable to a vehicle chassis. A hypoid gear set is mounted in the first housing portion, and an electric motor is mounted in the third housing portion.Type: GrantFiled: October 1, 2020Date of Patent: July 18, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Chad R. Brizendine, Bhapinder Puri, Hai Xu, Dan E. Revers, William Matzen
-
Publication number: 20230186654Abstract: Systems and methods are provided for identifying and displaying whiteboard text and/or an active speaker in a video-based presentation, e.g., a video conference. Video images of an environment including a whiteboard may be captured by a video camera system. The video images may be analyzed to detect at least one text-containing area in the environment. Each text-containing area may be analyzed to determine whether it is an area of a whiteboard. When a text-containing area is identified as a whiteboard area, an area of view including the text-containing whiteboard area may be selected for display, e.g., a subset of the full frame captured by the video system. A video feed from the video camera system may be controlled to display the selected area of view at a client device, to provide a useful view of the whiteboard text and/or a speaking person located near the whiteboard text.Type: ApplicationFiled: May 12, 2020Publication date: June 15, 2023Applicant: Polycom Communications Technology (Beijing) Co., Ltd.Inventors: Xi LU, Tianran WANG, Hailin SONG, Hai XU, Yongkang FAN
-
Publication number: 20230151875Abstract: Motor driven systems with optimized performance and efficiency are provided. A drive system includes a motor and a gear system coupled with the motor by a shaft. The gear system includes a pair of input gears disposed on the shaft, and a pair of transfer shafts including transfer gears meshing with the input gears. The gear system is configured to cancel axial, radial and/or tangential forces for minimized net force at the shaft.Type: ApplicationFiled: November 17, 2021Publication date: May 18, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Shawn H. Swales, Chi Teck Lee, Alan G. Holmes, Hai Xu, Venu Gopal Ganti, Avinash Singh