Patents by Inventor Zhiqiang Zhang
Zhiqiang 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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Publication number: 20240395851Abstract: A chip of a LED, comprising: a current blocking layer including a first current blocking layer grown along an epitaxial layer and a plurality of second current blocking layers disposed at one end of the first current blocking layer at intervals, the first current blocking layer gradually widens along a direction away from the second current blocking layers; a transparent conductive layer including a first transparent conductive layer and a second transparent conductive layer grown on the epitaxial layer, the first transparent conductive layer is grown on the current blocking layer and at least partially overlapped with the second current blocking layers; a metal finger electrode having a width gradually narrowed from the first end to the second end thereof and smaller than the width of the first current blocking layer, and the second current blocking layers are distributed around the first end of the metal finger electrode.Type: ApplicationFiled: May 15, 2023Publication date: November 28, 2024Applicant: Focus Lightings Tech (Suqian) Co., Ltd.Inventors: Zhiqiang CHU, Hao CHEN, Shikang QU, Zhiqiang ZHANG, Chuang MA, Jie GAO, Zhen ZHANG, Qian ZHAO, Hebing WU, Yufei CAO
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Publication number: 20240362948Abstract: This application provides a palm contour extraction method performed by a computer device. The method includes: obtaining bone point information respectively corresponding to palm bone points in a target palm image, the bone point information including bone point positions and bone point types; matching the palm bone points based on the bone point positions and the bone point types, to obtain a plurality of palm bone point sets, each palm bone point set having a corresponding geometry processing type for a corresponding set of palm bone points in the target palm image; determining a plurality of palm contour points from the plurality of palm bone point sets based on their respective geometry processing type; and generating a palm contour corresponding to the target palm image based on the plurality of palm contour points.Type: ApplicationFiled: July 8, 2024Publication date: October 31, 2024Inventors: Zhiqiang ZHANG, Runzeng GUO, Shaoming WANG, Xiaoyi ZHANG
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Patent number: 12132479Abstract: An impedance calibration circuit, an impedance calibration method, and a memory are provided. The impedance calibration circuit includes a parameter module, an initial value generation module, and a calibration module. The parameter module is configured to perform environment detection processing and output an environment parameter signal; the initial value generation module is configured to receive the environment parameter signal, and output an initial calibration value based on the environment parameter signal when the calibration instruction signal is received; and the calibration module is configured to receive the initial calibration value, and perform impedance calibration processing based on the initial calibration value when the calibration instruction signal is received.Type: GrantFiled: September 26, 2022Date of Patent: October 29, 2024Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.Inventor: Zhiqiang Zhang
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Patent number: 12123180Abstract: A flexible support includes a first mounting channel for mounting a flexible water pipe, a second mounting channel for mounting a flexible supporting and positioning mechanism, a first connecting end, a second connecting end, and a support body. The support body capable of being bent and deformed. The support body coupled between the first connecting end and the second connecting end. The second mounting channel is located on one side of the first mounting channel. The first mounting channel and the second mounting channel respectively penetrate through the first connecting end, the support body and the second connecting end in sequence.Type: GrantFiled: November 28, 2022Date of Patent: October 22, 2024Assignee: BEIJING KOHLER LTD.Inventors: Chunyan Liu, Zhiqiang Zhang, Peng Zhang, Liguo Yan
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Patent number: 12112300Abstract: Updates to a payment card of the specific card user that will affect subsequent payments to the COF merchants has occurred are detected based on receiving a notification from an issuer processor. In response, payment credentials can be automatically updated with the COF merchants for the specific card user.Type: GrantFiled: October 13, 2020Date of Patent: October 8, 2024Assignee: ONDOT SYSTEMS, INC.Inventors: Zhiqiang Zhang, Vaduvur Bharghavan
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Publication number: 20240328026Abstract: A purification method for a copper foil, which belongs to the field of material purification. The purification method for a copper foil comprises: placing an assembly in a central temperature zone of a tubular furnace, and annealing same for at least 5 h in a mixed atmosphere of an inert gas and hydrogen under the condition that the temperature of the central temperature zone is maintained at 1050-1070° C., so as to obtain a purified single-crystal copper foil, wherein the assembly is composed of a polycrystalline copper foil containing impurities and a carrier supporting the polycrystalline copper foil, the polycrystalline copper foil is a rolled copper foil, the flow of the inert gas is 500-600 sccm, and the flow of the hydrogen is 30-100 sccm.Type: ApplicationFiled: August 9, 2022Publication date: October 3, 2024Inventors: Kaihui LIU, Jinzong KOU, Zhiqiang ZHANG, Xiangbin YUE, Zhi HUANG, Menglin HE, Enge WANG
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Publication number: 20240287635Abstract: Disclosed is a method for preparing a titanium-containing ultra-low-carbon steel, comprising molten iron pretreatment, converter primary smelting, vacuum refining, continuous casting, hot rolling, pickling, and cold rolling. After vacuum refining decarbonization is finished, the content of free oxygen in molten steel is 100-350 ppm; after Al is then added for deoxidation treatment, the circulation time of the molten steel is greater than or equal to 3 min; after other alloys and rare earth elements are then added to the molten steel to adjust the components of the molten steel to the specifications of a finished product, the circulation time of the molten steel is greater than or equal to 2 min; and finally, an oxide Re2O3·Al2O3 is generated in the molten steel, and the vacuum refining is finished.Type: ApplicationFiled: June 28, 2022Publication date: August 29, 2024Applicant: BAOSHAN IRON & STEEL CO., LTD.Inventors: Hantao HU, Xiong WU, Zhaoping CHEN, Zhigang MA, Zhiqiang ZHANG, Jianjun ZHI
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Patent number: 12060294Abstract: A manufacturing method of a large-outer-diameter quartz crucible for a Czochralski (CZ) single crystal is provided. The manufacturing method is a vacuum arc method, and specifically includes: releasing a high-temperature arc with an electrode bundle composed of 2N+1 electrodes to fuse a crucible blank, and performing rapid cooling to form an initial quartz crucible product, where N is an integer greater than or equal to 2; the 2N+1 electrodes include one central main electrode and 2N auxiliary electrodes; the 2N auxiliary electrodes are equidistantly distributed on a circumference with the central main electrode as a center; the central main electrode is aligned at an axis of the crucible mold; the 2N auxiliary electrodes are connected to two phases of an industrial three-phase power, and the two phases are alternately arranged on the auxiliary electrodes; the central main electrode is connected to a remaining phase of the industrial three-phase power.Type: GrantFiled: March 31, 2022Date of Patent: August 13, 2024Assignee: JINZHOU YOUXIN QUARTZ TECHNOLOGY CO., LTDInventors: Zonghui Li, Man Chen, Ye Wang, Zhen Wang, ZhiQiang Zhang, XingWang Sun, Li Ma
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Publication number: 20240262734Abstract: A manufacturing method of a large-outer-diameter quartz crucible for a Czochralski (CZ) single crystal is provided. The manufacturing method is a vacuum arc method, and specifically includes: releasing a high-temperature arc with an electrode bundle composed of 2N+1 electrodes to fuse a crucible blank, and performing rapid cooling to form an initial quartz crucible product, where N is an integer greater than or equal to 2; the 2N+1 electrodes include one central main electrode and 2N auxiliary electrodes; the 2N auxiliary electrodes are equidistantly distributed on a circumference with the central main electrode as a center; the central main electrode is aligned at an axis of the crucible mold; the 2N auxiliary electrodes are connected to two phases of an industrial three-phase power, and the two phases are alternately arranged on the auxiliary electrodes; the central main electrode is connected to a remaining phase of the industrial three-phase power.Type: ApplicationFiled: March 31, 2022Publication date: August 8, 2024Applicant: JINZHOU YOUXIN QUARTZ TECHNOLOGY CO., LTDInventors: Zonghui LI, Man CHEN, Ye WANG, Zhen WANG, ZhiQiang ZHANG, XingWang SUN, Li MA
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Publication number: 20240254030Abstract: A manufacturing method for high-quality quartz crucible uses a vacuum arc method to melt, the positioning of the graphite electrode and dwell time at each position meet following requirements in which: taking a position of an upper end surface of a mold opening as a zero point, an end of the graphite electrode is marked as + when above the zero point, marked as ? when below the zero point; a starting position of the graphite electrode is +0.10˜0.30 times an outer diameter of the crucible, dwell time ?2 minutes, then the position is descended sequentially in accordance with a stepwise positioning method, staying for a period of time every time descending to a position, the graphite electrode continuously releases a high-temperature arc to melt crucible blank during a corresponding period of time at a corresponding position, and reaches a bottom polishing position after moving at least 3 times.Type: ApplicationFiled: April 10, 2024Publication date: August 1, 2024Applicant: JINZHOU YOUXIN QUARTZ TECHNOLOGY CO., LTDInventors: Man CHEN, Zonghui LI, Jian ZHU, Ye WANG, Zhen WANG, Zhiqiang ZHANG
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Publication number: 20240239028Abstract: Disclosed are a brush head fixture for production of a toothbrush head and a manufacturing method of the toothbrush head. The brush head fixture includes a fixture main body, a bristle accommodating part, a material sealing surface, and one or more positioning holes. The bristle accommodating part is configured for accommodating the free end of implanted bristles in the process of manufacturing the toothbrush head. The material sealing surface is located on one side of the fixture main body away from the bristle accommodating part and configured for preventing the material of the coating layer from entering the bristle accommodating part when forming the coating layer. The positioning hole penetrates through the wall of the fixture main body between the material sealing surface and the bristle accommodating part. The positioning hole is configured for injection molding the retaining part, and also for positioning the retaining part obtained through injection molding.Type: ApplicationFiled: December 14, 2023Publication date: July 18, 2024Applicant: HI-P (XIAMEN) PRECISION PLASTIC MANUFACTURING CO., LTD.Inventors: Ping RUAN, Xiaojia LIU, Qiufeng GUO, Zhiqiang ZHANG, Yingsheng CHEN, Shuling CUI, Baochang GE
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Patent number: 12017539Abstract: A voltage control method. A train traveling speed can be acquired; a target transformation ratio corresponding to the train traveling speed is determined according to correspondences between train traveling speeds and transformation ratios, the transformation ratio being a ratio of an input voltage to an output voltage; an input voltage is then transformed according to the target transformation ratio to obtain an output voltage, the output voltage being used for driving a train to travel. The correspondences between train traveling speeds and transformation ratios are obtained according to correspondences between train traveling speeds and train traction forces at different transformation ratios. By means of the method, the most suitable transformation ratio can be provided according to a traveling speed of a maglev train, thereby increasing the traction force of the maglev train and improving running efficiency.Type: GrantFiled: May 24, 2021Date of Patent: June 25, 2024Assignee: CRRC QINGDAO SIFANG CO., LTD.Inventors: Donghua Wu, Yanxiao Lei, Zhiqiang Zhang, Yunfei Wang, Xinmai Gao
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Patent number: 12021525Abstract: A receiver includes the following: a signal receiving circuit, including a first MOS transistor and a second MOS transistor, where a gate of the first MOS transistor is configured to receive a reference signal and a gate of the second MOS transistor is configured to receive a data signal, and the signal receiving circuit is configured to output a comparison signal, the comparison signal being configured to represent a magnitude relationship between a voltage value of the reference signal and a voltage value of the data signal; and an adjusting circuit, including a third MOS transistor, where a source of the third MOS transistor is connected to a source of the first MOS transistor, a drain of the third MOS transistor is connected to a drain of the first MOS transistor, and a gate of the third MOS transistor is configured to receive an adjusting signal.Type: GrantFiled: February 22, 2022Date of Patent: June 25, 2024Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.Inventor: Zhiqiang Zhang
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Patent number: 12012660Abstract: Disclosed is a method for manufacturing an LCP-based flexible copper-clad laminate, comprising: providing an LCP substrate and subjecting the LCP substrate to a Hall ion source pre-treatment; forming an ion-implanted layer in a certain depth range below the surface of the LCP substrate via ion implantation; performing plasma deposition to form a plasma deposition layer onto the ion-implanted layer; performing magnetron sputtering deposition to deposit copper ions onto the plasma deposition layer and form a magnetron sputtering deposition layer; and plating the magnetron sputtering deposition layer with a thickened copper layer to obtain the LCP-based flexible copper-clad laminate. Also disclosed is an LCP-based flexible copper-clad laminate, wherein a peeling strength between a copper foil and the LCP substrate of the LCP-based flexible copper-clad laminate is greater than or equal to 0.5 N/mm, a surface roughness between the two is smaller than or equal to 0.Type: GrantFiled: March 20, 2019Date of Patent: June 18, 2024Assignee: Richview Electronics Co., Ltd.Inventors: Nianqun Yang, Zhigang Yang, Zhiqiang Zhang, Honglin Song
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Publication number: 20240185069Abstract: A neighboring user node of a user node is selected by using an attention model, to determine a selective adjacency matrix of a relation network based on the selected neighboring user node. Then, a neighboring node representation is propagated to a corresponding user node based on a selective adjacency matrix by using a graph neural network, to obtain a user aggregation representation. A tapping behavior between a user and an object is fitted based on a similarity between the user aggregation representation and an object representation, to construct a prediction loss based on a difference between the tapping behavior and an existing tapping behavior, and update the attention model. The trained attention model can select a more reliable neighboring user.Type: ApplicationFiled: November 30, 2023Publication date: June 6, 2024Inventors: Ke TU, Zhengwei WU, Binbin HU, Zhiqiang ZHANG
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Publication number: 20240144165Abstract: Embodiments of this specification provide methods and apparatuses for generating a graph node relationship representation and methods and apparatuses for predicting a graph node service relationship. In an implementation, a method includes: determining node representations of a first graph node and a second graph node based on performing node representation propagation and node representation aggregation starting from the first graph node and the second graph node, and generating a node relationship representation between the first graph node and the second graph node based on the node representations.Type: ApplicationFiled: December 28, 2023Publication date: May 2, 2024Applicant: Alipay (Hangzhou) Information Technology Co., Ltd.Inventors: Shuo Yang, Zhiqiang Zhang, Jun Zhou
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Patent number: 11962309Abstract: A phase adjusting circuit, a delay locking circuit, and a memory are provided. The phase adjusting circuit includes a detection circuit, a comparison circuit, a counter, and an adjustment circuit that are connected in sequence. The detection circuit is configured to detect a phase difference between a first clock signal and a second clock signal to obtain a first detection signal and a second detection signal. The comparison circuit is configured to perform duty cycle comparison of the first detection signal and the second detection signal to obtain a counting indication signal. The counter is configured to count a number of pulses of a preset counting clock signal based on the counting indication signal to obtain a count value. The adjustment circuit is configured to perform phase adjustment of the second clock signal based on the count value, so that the phase difference is a preset value.Type: GrantFiled: February 15, 2023Date of Patent: April 16, 2024Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.Inventor: Zhiqiang Zhang
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Patent number: 11960161Abstract: Provided is a display panel. The display panel includes a display substrate, a diffusion sheet, a transflective film, and a fingerprint identification circuit, wherein the diffusion sheet is provided with at least one through hole, and an orthographic projection of the at least one through hole onto the display substrate is within the orthographic projection of the fingerprint identification circuit onto the display substrate.Type: GrantFiled: January 25, 2021Date of Patent: April 16, 2024Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Jinzhao Zhou, Tingting Zhao, Litao Fan, Jian Zhang, Shubai Zhang, Zhiqiang Zhang, Qin Xin
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Patent number: 11962395Abstract: A whole-airspace satellite search method and device based on a phased array antenna are provided. The present disclosure combines electronic scanning implemented by the phased array antenna with mechanical scanning implemented by a mechanical actuator. As for low-orbit satellite communication, the present disclosure achieves rapid search and aiming through the phased array antenna, and solves the problem of limited electronic scanning angle of the phased array antenna through a servo system of the mechanical actuator. On the other hand, the present disclosure supports whole-airspace search and aiming of high, medium, and low-orbit satellites through the combination of the electronic scanning implemented by the phased array antenna and the mechanical scanning implemented by the mechanical actuator.Type: GrantFiled: September 6, 2023Date of Patent: April 16, 2024Assignee: CHINA STARWIN SCIENCE & TECHNOLOGY CO., LTDInventors: Qingan Li, Kesong Wu, Zhiqiang Zhang, Hansong Du
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Patent number: 11951560Abstract: The present disclosure provides a wire and arc additive manufacturing (WAAM) method for a titanium alloy. The method includes the following steps: step 1: performing a WAAM process assisted by cooling and rolling; step 2: milling side and top surfaces of an additive part; step 3: performing, by friction stir processing (FSP) equipment, an FSP process on the additive part, and applying cooling and rolling to a side wall of the additive part through a cooling and rolling device during the FSP process; step 4: finish-milling the top surface of the additive part for a WAAM process in the next step; and step 5: repeating the above steps cyclically until final forming of the part is finished. This WAAM method completely breaks dendritic structures and refines grains in the WAAM process of the titanium alloy, thereby effectively repairing defects such as pores and cracks.Type: GrantFiled: January 17, 2020Date of Patent: April 9, 2024Assignee: NORTHEASTERN UNIVERSITYInventors: Changshu He, Jingxun Wei, Ying Li, Zhiqiang Zhang, Ni Tian, Gaowu Qin