Patents by Inventor Linlin Zhang
Linlin 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: 20240155296Abstract: A MEMS microphone includes a substrate, a supporting plate, a capacitor system, a first pad, and a first electrode. The substrate defines a back cavity, the supporting plate is disposed at one side of the substrate and defines an accommodation cavity, and the capacitor system is disposed at the supporting plate. The capacitor system includes a back plate, a fixing component, and a vibrating diaphragm. The vibrating diaphragm is fixed to one side of the fixing component distal from the back plate. The vibrating diaphragm forms a cantilever structure fixing at the middle, and the first electrode is only connected to a central region of the vibrating diaphragm, the first electrode may not interfere with deformation of an edge region of the vibrating diaphragm, thereby improving sensitivity of the MEMS microphone through fully releasing residual stress of the vibrating diaphragm.Type: ApplicationFiled: August 22, 2023Publication date: May 9, 2024Inventors: Zhuanzhuan Zhao, Linlin Wang, Kaijie Wang, Rui Zhang
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Patent number: 11968497Abstract: The present invention discloses a Micro-Electro-Mechanical System MEMS) chip including a substrate with a back cavity; a capacitance system disposed on the substrate including a back plate, a membrane opposite to the back plate forming an inner cavity; a protruding portion accommodated in the inner cavity, fixed on one of the back plate and the membrane and spaced apart from the other along a vibration direction; a reinforce portion fixed to the membrane, having an area smaller than that of the membrane; a support system configured to support the capacitance system, including a first fixation portion suspending the membrane on the substrate, and a second fixation portion suspending the back plate on the substrate. The MEMS chip has higher sensitivity, higher resonance frequency and higher low frequency property.Type: GrantFiled: May 9, 2022Date of Patent: April 23, 2024Assignee: AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD.Inventors: Zhengyu Shi, Linlin Wang, Rui Zhang
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Patent number: 11962962Abstract: Disclosed is a sound producing device and an electronic product, the sound producing device including a front cover and a shell which are bonded together; wherein a diaphragm is accommodated in a cavity enclosed by the front cover and shell, an upper surface of the front cover away from the diaphragm is covered with an elastic sealing piece, and the elastic sealing piece and the front cover are bonded by hot pressing.Type: GrantFiled: December 26, 2019Date of Patent: April 16, 2024Assignee: Goertek Inc.Inventors: Xiaodong Cai, Linlin Zhang, Zhilei Han
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Publication number: 20240108484Abstract: A medical stent includes a covered segment and a naked segment. The covered segment includes a cut stent body and a film material arranged on the cut stent body. At least one end of the covered segment is connected with the naked segment, and at least one of the naked segments includes a braided stent body. The covered segment includes a first section, and the medical stent is configured such that an inner diameter of the first section in a first expansion state is smaller than an inner diameter of the cut stent body in a free state, and when the first section is subjected to a radially outward force, the first section expands radially outward. The medical stent has good flexibility and support, is easy to push, and can adjust the inner diameter of the first section according to actual needs, and has good universal applicability.Type: ApplicationFiled: April 22, 2022Publication date: April 4, 2024Inventors: Yu ZHANG, Yang CAO, Qing ZHU, Linlin ZHANG
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Patent number: 11950053Abstract: The present invention discloses a MEMS chip including a substrate with a back cavity; a capacitance system disposed on the substrate including a back plate, a membrane opposite to the back plate forming an inner cavity; a protruding portion accommodated in the inner cavity, fixed on one of the back plate and the membrane and spaced apart from the other along a vibration direction; a support system configured to support the capacitance system, including a first fixation portion suspending the membrane on the substrate, and a second fixation portion suspending the back plate on the substrate; the protruding portion comprises an annular first protruding portion and an annular second protruding portion surrounding the first protruding portion. The MEMS chip has higher sensitivity, higher resonance frequency and higher low frequency property.Type: GrantFiled: May 9, 2022Date of Patent: April 2, 2024Assignee: AAC Acoustic Technologies (Shenzhen) Co., Ltd.Inventors: Zhengyu Shi, Linlin Wang, Rui Zhang
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Patent number: 11929448Abstract: Described herein is an electric injection annealing test device for crystalline silicon photovoltaic solar cells, the test device comprises a dark box, a sample test bench, a temperature control device, a power supply device and an image acquisition device. The sample test bench, the temperature control device, the power supply device and the image acquisition device are located in the dark box; the sample test bench is used to place a solar cell sheet; the temperature control device is used to control a temperature of the solar cell sheet; the power supply device provides a current to the solar cell sheet, the image acquisition device is used to acquire electroluminescence images of the solar cell sheet under different temperatures and current conditions.Type: GrantFiled: October 22, 2018Date of Patent: March 12, 2024Assignee: South China University of TechnologyInventors: Xianmin Zhang, Linlin Cai, Shenghui Bai
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Publication number: 20240080632Abstract: A MEMS microphone, includes a substrate with a back cavity, and a capacitive system located on the substrate, including a back plate and a diaphragm opposite to the back plate, wherein the back plate includes a body portion, a fixing portion connected with the body portion and the substrate, and a plurality of strip reinforcing ribs, the reinforcing ribs are protruded from the body portion. Compared with the related art, the MEMS microphone disclosed by the present disclosure could improve the strength of the back plate.Type: ApplicationFiled: December 29, 2022Publication date: March 7, 2024Inventors: Linlin Wang, Rui Zhang, Kaijie Wang, Zhuanzhuan Zhao, Minh Ngoc Nguyen
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Patent number: 11779450Abstract: The present invention provides a filter device, including a filtering part, a constraining part, a stent part, and a connecting part. The filtering part has a first end and a second end opposite to each other. The constraining part is degradable and at least configured to constrain the first end of the filtering part. The stent part has a first end and a second end opposite to each other. The first end of the stent part is connected to the second end of the filtering part, and disposed coaxial with the filtering part. The connecting part is disposed on one or more of the first end of the filtering part and the second end of the stent part, and is configured to connect to an external mechanism, and the constraining part is further configured to constrain the second end of the stent part when the connecting part is disposed at the second end of the stent part.Type: GrantFiled: August 9, 2018Date of Patent: October 10, 2023Assignee: SHANGHAI BLUEVASCULAR MEDTECH CO., LTD.Inventors: Yongfeng Zhu, Qing Zhu, Zhonghua Li, Linlin Zhang, Wenhui Jiao, Jianchao Han, Yanbin Gao
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Publication number: 20230257391Abstract: A method for extracting and separating high-purity tetrodotoxin (TTX) from pufferfish viscera, comprising the following steps: adding an acid alcohol homogenate to pufferfish viscera, adding a certain amount of a flow aid and stirring uniformly, loading into a chromatographic column, eluting with the same acidic alcohol, collecting an eluent containing TTX, and concentrating under reduced pressure to obtain a TTX concentrated solution; further separating using ion exchange resin column chromatography, collecting an eluent containing TTX, and using a nanofiltration membrane to perform concentration or reduced pressure evaporation to dryness to obtain a TTX crude product; and precipitating and crystallising the TTX crude product by means of a solvent to obtain TTX with a purity greater than 98%.Type: ApplicationFiled: May 5, 2022Publication date: August 17, 2023Applicant: Zhongyang Biotechnology (Shanghai) Co., LTD.Inventors: Haihang Li, Linlin Zhang, Wenlong Zhang, Junmei Zeng, Zhiyong Chu, Jianhua Ye, Xiaoming Qian
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Publication number: 20230227484Abstract: A pyrimidine compound as an AXL inhibitor is provided. The structure of the pyrimidine compound is as shown in general formula I, and the definition of each substituent is as described in the description. The present invention further provides a preparation method for the pyrimidine compound. The pyrimidine compound of the present invention has significant AXL inhibitory activity, and can be used as an AXL inhibitor.Type: ApplicationFiled: May 28, 2021Publication date: July 20, 2023Applicant: NANJING CHIA TAI TIANQING PHARMACEUTICAL CO., LTD.Inventors: Changyou MA, Linlin ZHANG, Dongdong LI, Youzhi WU, Haiwei FENG, Qiuhua ZHOU, Junjie PEI, Jian WU, Dan XU, Chunxia ZHU, Zhoushan TIAN
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Publication number: 20230099089Abstract: A substance of the formula (1) and its use as an antiviral active substance.Type: ApplicationFiled: February 9, 2021Publication date: March 30, 2023Inventors: Rolf Hilgenfeld, Daizong Lin, Linlin Zhang
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Publication number: 20220414911Abstract: An embodiment of this application discloses a three-dimensional reconstruction method. The method in this embodiment of this application includes: obtaining an image of a first object and a camera pose of the image; determining a first normalized object location field NOLF image of the first object in the image by using a first deep learning network, where the first NOLF image indicates a normalized three-dimensional point cloud of the first object at a photographing angle of view of the image; determining, from a plurality of three-dimensional models in a model database based on the first NOLF image, a first model corresponding to the first object; determining a pose of the first object based on the first model and the camera pose of the image; and performing three-dimensional reconstruction on the first object in the image based on the first model and the pose of the first object.Type: ApplicationFiled: September 2, 2022Publication date: December 29, 2022Inventors: Hao WANG, Linlin ZHANG
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Publication number: 20220264703Abstract: An microheater array system includes an integrated microheater array configured to generate a localized heat and having a plurality of pixels. Each pixel includes: an inductor; a stacked oscillator configured to generate a magnetic field at microwave frequencies with tunable intensity and frequency; and an electro-thermal loop. The microheater array system may further include a plurality of magnetic nanoparticles (MNPs).Type: ApplicationFiled: February 14, 2022Publication date: August 18, 2022Inventors: Yingying Fan, Qingbo Zhang, Linlin Zhang, Gang Bao, Taiyun Chi
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Publication number: 20220256266Abstract: Disclosed is a sound producing device and an electronic product, the sound producing device including a front cover and a shell which are bonded together; wherein a diaphragm is accommodated in a cavity enclosed by the front cover and shell an upper surface of the front cover away from the diaphragm is covered with an elastic sealing piece, and the elastic sealing piece and the front cover are bonded by hot pressing.Type: ApplicationFiled: December 26, 2019Publication date: August 11, 2022Applicant: Goertek Inc.Inventors: Xiaodong Cai, Linlin Zhang, Zhilei Han
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Publication number: 20200129281Abstract: The present invention provides a filter device, including a filtering part, a constraining part, a stent part, and a connecting part. The filtering part has a first end and a second end opposite to each other. The constraining part is degradable and at least configured to constrain the first end of the filtering part. The stent part has a first end and a second end opposite to each other. The first end of the stent part is connected to the second end of the filtering part, and disposed coaxial with the filtering part. The connecting part is disposed on one or more of the first end of the filtering part and the second end of the stent part, and is configured to connect to an external mechanism, and the constraining part is further configured to constrain the second end of the stent part when the connecting part is disposed at the second end of the stent part.Type: ApplicationFiled: August 9, 2018Publication date: April 30, 2020Inventors: Yongfeng ZHU, Qing ZHU, Zhonghua LI, Linlin ZHANG, Wenhui JIAO, Jianchao HAN, Yanbin GAO
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Patent number: 10350900Abstract: A method for responding to read/write consumable volume information in an imaging device.Type: GrantFiled: July 17, 2017Date of Patent: July 16, 2019Assignee: APEX MICROELECTRONICS CO., LTD.Inventors: Xuejin Sun, Linlin Zhang, Chaoai Deng
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Publication number: 20170320327Abstract: A method for responding to read/write consumable volume information in an imaging device.Type: ApplicationFiled: July 17, 2017Publication date: November 9, 2017Applicant: APEX MICROELECTRONICS CO., LTD.Inventors: Xuejin SUN, Linlin ZHANG, Chaoai DENG
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Patent number: 9335695Abstract: An imaging device, an imaging cartridge, and a verification method are disclosed. The method comprises storing a first slave address of the imaging cartridge and configuring a first indexing rule in the imaging device. The method further comprises: an indexing step, including sending an indexing command to the imaging cartridge, generating a predicated address for the imaging cartridge based on the first indexing rule and the indexing command, and updating the first slave address of the imaging cartridge based on the predicated address; and a verification step, including judging whether a second slave address of the imaging cartridge is correct according to answer data sent by the imaging cartridge, or according to the answer data sent by the imaging cartridge as well as the first slave address of the imaging cartridge.Type: GrantFiled: March 4, 2015Date of Patent: May 10, 2016Assignee: Apex Microelectronics Co., Ltd.Inventor: Linlin Zhang
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Patent number: D911543Type: GrantFiled: August 13, 2019Date of Patent: February 23, 2021Assignee: DONGGUAN SHENAI ELECTRONIC TECHNOLOGY CO., LTD.Inventor: Linlin Zhang
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Patent number: D919108Type: GrantFiled: May 31, 2019Date of Patent: May 11, 2021Assignee: Dongguan Shenai Electronics Technology Co., Ltd.Inventor: Linlin Zhang