Patents by Inventor Hao Zhang
Hao Zhang 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).
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Patent number: 11611834Abstract: The present disclosure relates to a bone conduction speaker and its compound vibration device. The compound vibration device comprises a vibration conductive plate and a vibration board, the vibration conductive plate is set to be the first torus, where at least two first rods inside it converge to its center; the vibration board is set as the second torus, where at least two second rods inside it converge to its center. The vibration conductive plate is fixed with the vibration board; the first torus is fixed on a magnetic system, and the second torus comprises a fixed voice coil, which is driven by the magnetic system. The bone conduction speaker in the present disclosure and its compound vibration device adopt the fixed vibration conductive plate and vibration board, making the technique simpler with a lower cost; because the two adjustable parts in the compound vibration device can adjust both low frequency and high frequency area, the frequency response obtained is flatter and the sound is broader.Type: GrantFiled: March 31, 2021Date of Patent: March 21, 2023Assignee: SHENZHEN SHOKZ CO., LTD.Inventors: Xin Qi, Fengyun Liao, Jinbo Zheng, Qian Chen, Hao Chen, Yueqiang Wang, Haofeng Zhang
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Patent number: 11610380Abstract: A method for interacting with an autostereoscopic display is disclosed. The method includes initiating displaying by the autostereoscopic display a left eye view and a right eye view that contain a virtual manipulated object, determining a real-world coordinate of the virtual manipulated object perceived by a user located at a predetermined viewing position of the auto stereoscopic display, receiving an interactive action of the user's manipulating body acquired by a motion tracker, where the interaction action includes a real-world coordinate of the manipulating body, determining whether an interaction condition is triggered based at least in part on the real-world coordinate of the virtual manipulated object and the real-world coordinate of the manipulating body, and refreshing the left eye view and the right eye view based on the interactive action of the manipulating body acquired by the motion tracker, in response to determining that the interaction condition is triggered.Type: GrantFiled: December 2, 2019Date of Patent: March 21, 2023Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Guixin Yan, Hao Zhang, Lili Chen, Minglei Chu, Wenhong Tian, Zhanshan Ma, Ziqiang Guo
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Patent number: 11610389Abstract: A method and apparatus for positioning a key point, a device, and a storage medium are provided. The method may include: extracting a first feature map and a second feature map of a to-be-positioned image, the first feature map and the second feature map being different feature maps; determining, based on the first feature map, an initial position of a key point in the to-be-positioned image; determining, based on the second feature map, an offset of the key point; and adding the initial position of the key point with the offset of the key point to obtain a final position of the key point.Type: GrantFiled: March 15, 2021Date of Patent: March 21, 2023Assignee: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.Inventors: Jian Wang, Zipeng Lu, Hao Sun, Hongwu Zhang, Shilei Wen, Errui Ding
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Patent number: 11610383Abstract: Provided is a display module, including: a shell; a display panel, wherein the display panel is disposed in the shell and is connected to the shell; a first light emitting component, wherein the first light emitting component is connected to the display panel and is configured to emit light of a target wavelength; and a fingerprint recognition sensor, wherein the fingerprint recognition sensor is disposed between the shell and the display panel and is fixedly connected to the shell; an orthographic projection of the fingerprint recognition sensor onto the display panel and an orthographic projection of the first light emitting component onto the display panel do not overlap; and the fingerprint recognition sensor is configured to recognize a fingerprint based on received light of the target wavelength reflected by an obstacle.Type: GrantFiled: August 27, 2021Date of Patent: March 21, 2023Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Tao Jia, Hao Wu, Wenfeng Jin, Libao Cui, Site Cai, Litao Fan, Jiaqiang Wang, Gang Ci, Meijuan An, Jia Meng, Dang Yang, Xiao Ma, Xuewen Cao, Zhiqiang Fan, Zheng Zhang, Bangcan Xue, Dong Zhang, Yanjun Liu, Liguang Deng, Feiwu Yuan
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Publication number: 20230078059Abstract: Provided are methods for receiving and sending a control signaling, and a communication node. The method for receiving a control signaling includes: receiving first control signaling, where the first control signaling includes a first-type parameter that corresponds to a measurement reference signal, the first-type parameter includes a physical cell identifier (PCI) or includes a PCI and a second-type parameter, and the measurement reference signal includes one of the following: a measurement reference signal in a report configuration of channel state information (CSI), a measurement reference signal with a measurement result included in uplink control information (UCI), a measurement reference signal in a measurement reference signal resource set configured in a serving cell, or, a measurement reference signal in a beam failure candidate reference signal resource set.Type: ApplicationFiled: February 2, 2021Publication date: March 16, 2023Inventors: Shujuan ZHANG, Zhaohua LU, Bo GAO, Chuangxin JIANG, Yu NGOK LI, Hao WU, Shuaihua KOU
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Publication number: 20230082346Abstract: An image processing method includes: according to position coordinates of any interpolation pixel in a target image, determining position coordinate of the interpolation pixel in an original image; calculating a two-dimensional image entropy of an (n×n) neighborhood of the interpolation pixel in the original image; when it is greater than or equal to a preset entropy threshold value, calculating a pixel value of the interpolation pixel based on all original pixels; when it is less than the preset entropy threshold, calculating gradient values in at least two edge directions within the threshold neighborhood and determining whether there is a strong-edge direction; if so, calculating the pixel value of the interpolation pixel based on a plurality of original pixels in the strong-edge direction; if not, calculating the pixel value of the interpolation pixel based on all the original pixels.Type: ApplicationFiled: June 16, 2021Publication date: March 16, 2023Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiaolei LIU, Jiankang SUN, Lili CHEN, Hao ZHANG
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Publication number: 20230078933Abstract: An information feedback method, device and system are provided. The method includes: determining, by a first communication node, feedback information for indicating a status of communication links between the first communication node and a serving communication node, where the feedback information includes at least one of the following: failure information of a first type of transmission link, a request for training signal of transmission modes and/or a request for training signal of receiving modes, and indication information of M preferred transmission links, and the first type of transmission link and the M preferred transmission links include transmission links from the serving communication node to the first communication node, where M is a positive integer greater than or equal to 1; and transmitting, by the first communication node, the feedback information to the serving communication node.Type: ApplicationFiled: September 12, 2022Publication date: March 16, 2023Inventors: Shujuan Zhang, Zhaohua Lu, Yuhong Gong, Hao Wu
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Publication number: 20230078721Abstract: A vehicle localization method and device, an electronic device and a storage medium. The vehicle localization method includes: acquiring an image of a scene where a vehicle is located, the image comprising a semantic element; determining an element category corresponding to the semantic element; matching the semantic element with a map element to acquire a matching result by a matching method corresponding to the element category; and determining localization information of the vehicle according to the matching result.Type: ApplicationFiled: January 28, 2022Publication date: March 16, 2023Inventors: Chao WANG, Chi ZHANG, Hao LIU, Zhijun XIE, Kuiyuan YANG, Kun GUO, Rui CAI, Zhiwei LI
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Publication number: 20230084364Abstract: A near-eye display apparatus is disclosed. The near-eye display apparatus includes a lens and an optical path folding assembly. The lens is configured to receive incident light of a first image, which is projected by a micro-display, and shape the first image; the lens includes a primary optical axis and a first lens face and a second lens face which are opposed in a first direction where the primary optical axis of the lens is positioned, a curvature radius of the first lens face is within a range of 70 to 100 millimeters, and a curvature radius of the second lens face is within a range of 10 to 30 millimeters; and the optical path folding assembly is configured to receive light of the first image shaped by the lens and fold an optical path from the lens to an exit pupil of the near-eye display apparatus.Type: ApplicationFiled: November 22, 2022Publication date: March 16, 2023Applicants: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Ruijun Dong, Yali Liu, Chenru Wang, Ke Li, Hao Zhang
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Publication number: 20230078580Abstract: A solar cell includes a substrate having a front surface and a back surface opposite to the front surface; a first passivation layer, a second passivation layer and a third passivation layer sequentially formed on the front surface of the substrate and in a direction away from the substrate; where the first passivation layer includes a dielectric material; the second passivation layer includes a first SiuNv material, and a value of v/u is 1.3?v/u?1.7; and the third passivation layer includes a SirOs material, and a value of s/r is 1.9?s/r?3.2; and a tunneling oxide layer and a doped conductive layer sequentially formed on the back surface of the substrate and in a direction away from the back surface; the doped conductive layer and the substrate are doped to have a same conductivity type.Type: ApplicationFiled: October 18, 2021Publication date: March 16, 2023Inventors: Wenqi LI, Peiting ZHENG, Jie YANG, Menglei XU, Xinyu ZHANG, Hao JIN
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Publication number: 20230079826Abstract: Provided are a solar cell, a method for manufacturing a solar cell and a photovoltaic module. The solar cell includes a semiconductor substrate including a surface having a first texture structure and a first passivation layer located on the first texture structure of the semiconductor substrate. The first texture structure includes a pyramid-shaped microstructure, a length of a bevel edge of the pyramid-shaped microstructure is C ?m, and 0.4?C?1.9. A non-uniformity of the first passivation layer is N?4%, and N=(Dmax?Dmin)/Dmax. Dmax is a maximum thickness of the first passivation layer on the pyramid-shaped microstructure, and Dmin is a minimum thickness of the first passivation layer on the pyramid-shaped microstructure.Type: ApplicationFiled: October 19, 2021Publication date: March 16, 2023Inventors: Xiaowen ZHANG, Wenqi LI, Ding YU, Shijie ZHAO, Jialei CHAI, Jie YANG, Xinyu ZHANG, Hao JIN
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Publication number: 20230082296Abstract: The present disclosure discloses a strain of Lactobacillus fermentum capable of preventing and/or treating periodontitis and an application thereof, belonging to the field of microbiology technology. The present disclosure has screened to obtain a strain of L. fermentum CCFM1139. The L. fermentum CCFM1139 can alleviate periodontitis by inhibiting formation of mixed bacterial biofilms of Porphyromonas gingivalis, Prevotella intermedia and Fusobacterium nucleatum, thereby reducing the amount of biofilm by 52.45%, and can reduce the content of TNF-? from 131.37 pg/mL to 83.31 pg/mL and IL-8 from 147.70 pg/mL to 121.12 pg/mL in a periodontitis cell model, reduce colonization of the P. gingivalis and the F. nucleatum in the oral cavity by 1-2 orders of magnitude, and reduce the amount of the alveolar bone resorption from 1838.0 ?m to 805.7 ?m.Type: ApplicationFiled: October 27, 2022Publication date: March 16, 2023Inventors: Wei CHEN, Qiuxiang Zhang, Wanqing Xu, Wenwei Lu, Hao Zhang, Jianxin Zhao
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Publication number: 20230082656Abstract: A method and an apparatus for vehicle positioning. The method includes: acquiring a distance transformation image of a road marking object in a road image based on the road image of an environment where a vehicle is located at a current time point; acquiring a vector subgraph of the road marking object from a global vector map; and determining a target positioning posture of the vehicle based on the distance transformation image and the vector subgraph.Type: ApplicationFiled: February 28, 2022Publication date: March 16, 2023Inventors: Hao LI, Chi ZHANG, Hao LIU, Kun GUO, Kuiyuan YANG, Rui CAI, Zhiwei LI
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Patent number: 11605748Abstract: A solar cell, a method for producing a solar cell, and a solar module are provided. The solar cell includes: an N-type substrate and a P-type emitter formed on a front surface of the substrate; a first passivation layer, a second passivation layer and a third passivation layer sequentially formed over the front surface of the substrate and in a direction away from the P-type emitter, and a passivated contact structure disposed on a rear surface of the substrate. The first passivation layer includes a first Silicon oxynitride (SiOxNy) material, where x>y. The second passivation layer includes a first silicon nitride (SimNn) material, where m>n. The third passivation layer includes a second silicon oxynitride (SiOiNj) material, where a ratio of i/j?[0.97, 7.58].Type: GrantFiled: March 16, 2021Date of Patent: March 14, 2023Assignees: ZHEJIANG JINKO SOLAR CO., LTD., JINKO SOLAR CO., LTD.Inventors: Wenqi Li, Jie Yang, Xinyu Zhang, Hao Jin
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Patent number: 11602741Abstract: The disclosure relates to a method for making a photocatalytic structure, the method comprising: providing a carbon nanotube structure comprising a plurality of carbon nanotubes intersected with each other; a plurality of openings being defined by the plurality of carbon nanotubes; forming a photocatalytic active layer on the surface of the carbon nanotube structure; applying a metal layer pre-form on the surface of the photocatalytic active layer; and annealing the metal layer pre-form.Type: GrantFiled: August 10, 2021Date of Patent: March 14, 2023Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Ying-Cheng Wang, Yuan-Hao Jin, Xiao-Yang Xiao, Tian-Fu Zhang, Qun-Qing Li, Shou-Shan Fan
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Patent number: 11605967Abstract: The present disclosure provides an on-board charger including a power supply terminal, a switching circuit, a first bridge arm, a second bridge arm, a third bridge arm, a fourth bridge arm, a first bus capacitor, a second bus capacitor, a first switch and a control circuit. The present disclosure can realize a compatibility of a single-phase power supply input or a three-phase power supply input through the cooperation of the switching circuit with the control circuit. Meanwhile, the number of bus capacitors is reduced in the operating state of the single-phase power supply input, accordingly not only the volume and cost of the on-board charger can be reduced, but also the charging power of the on-board charger can be increased, which has an advantage of strong applicability.Type: GrantFiled: January 8, 2021Date of Patent: March 14, 2023Assignee: Delta Electronics (Shanghai) Co., Ltd.Inventors: Hao Sun, Minli Jia, Jinfa Zhang
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Patent number: 11603521Abstract: Provided is an amino acid dehydrogenase mutant. The amino acid sequence of the mutant is obtained by mutating the amino acid sequence shown in SEQ ID NO:1. The mutation includes at least one of the following mutation sites: 64th, 94th, 133rd, 137th, 148th, 168th, 173rd, 183 rd, 191st, 207th, 229th, 248th, 255th and 282nd sites; or the amino acid sequence of the amino acid dehydrogenase mutant is an amino acid sequence having the mutation sites in the mutated amino acid sequence and having a 80% or more homology with the mutated amino acid sequence. The mutant enzyme activity is more than 50 times higher than that of wild amino acid dehydrogenase, and the enzyme specificity is also correspondingly improved.Type: GrantFiled: August 17, 2018Date of Patent: March 14, 2023Assignee: ASYMCHEM LIFE SCIENCE (TIANJIN) CO., LTDInventors: Hao Hong, Gage James, Jiangping Lu, Na Zhang, Xuecheng Jiao, Rui Li, Kejian Zhang, Yu Zhang, Yiming Yang
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Patent number: 11604473Abstract: A dynamic velocity planning method for an autonomous vehicle is performed to plan a best velocity curve of the autonomous vehicle. An information storing step is performed to store an obstacle information, a road information and a vehicle information. An acceleration limit calculating step is performed to calculate the vehicle information according to a calculating procedure to generate an acceleration limit value range. An acceleration combination generating step is performed to generate a plurality of acceleration combinations according to the obstacle information, the road information, and the acceleration limit value range. An acceleration filtering step is performed to filter the acceleration combinations according to a jerk threshold and a jerk switching frequency threshold to obtain a selected acceleration combination. An acceleration smoothing step is performed to execute a driving behavior procedure to adjust the selected acceleration combination to generate the best velocity curve.Type: GrantFiled: November 26, 2020Date of Patent: March 14, 2023Assignee: Automotive Research & Testing CenterInventors: Zhi-Hao Zhang, Tsung-Ming Hsu, Bo-Han Lin
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Patent number: 11602647Abstract: A method and apparatus for position detection, and a radiotherapy system are provided. The radiotherapy system includes: a treatment couch, a positioning apparatus, an optical tracking system and a computer; the positioning apparatus disposed on the treatment couch, and at least one reference point provided on the positioning apparatus; the optical tracking system disposed above the treatment couch and configured to detect relative positioning between a mark point set on a treated part of a patient and the reference point, determine deviation between the relative and reference positions, and send the deviation to the computer. The computer is configured to determine whether to adjust a position of the treatment couch based on the deviation and deviation range. The system provided by the present disclosure avoids the influence of patient movement on the accuracy of treatment, and prevents a treatment beam from damaging normal tissues of the patient.Type: GrantFiled: July 16, 2020Date of Patent: March 14, 2023Assignee: SHENZHEN OUR NEW MEDICAL TECHNOLOGIES DEVELOPMENT CO, LTD.Inventors: Tianchang Gou, Jinsheng Li, Hao Yan, Liang Wang, Kaiqiang Fu, Pengfei Zhang, Xiaojun Yue, Bing He
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Publication number: 20230075033Abstract: The present disclosure provides a ride-hailing method and apparatus, an electronic device and a readable storage medium, and relates to the field of artificial intelligence technologies such as intelligent transportation and deep learning. The ride-hailing method includes: acquiring a rapid ride-hailing request, the rapid ride-hailing request including a departure position and a destination position of a user; determining a target pick-up point according to the departure position and the destination position; obtaining an arrival time from the departure position to the target pick-up point; and outputting the target pick-up point and path planning information from the departure position to the target pick-up point when a target region where the target pick-up point is located is determined as an easy ride-hailing region according to the arrival time. According to the present disclosure, users' ride-hailing time can be reduced, and the users' ride-hailing efficiency can be improved.Type: ApplicationFiled: March 25, 2022Publication date: March 9, 2023Applicant: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.Inventors: Hao Zhang, Xi Ma, Bu Mi, Xiufeng Han