Patents by Inventor Yunlong XU
Yunlong 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).
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Patent number: 11927687Abstract: A centralized cooperative positioning method includes: caching measurements of nodes in multiple time slices up to the current time slice; calculating location information of the nodes in the multiple time slices to obtain trajectory of the nodes in the multiple time slices; performing initial state estimations of the nodes based on measurements of a single time slice; and using the initial state estimations as initial solution values, performing the joint time-space processing on the measurements of the nodes in the multiple time slices based on trajectory constraints, to obtain a state estimation of each node at the current time slice, in which the state estimation includes an estimated value of a location of the node.Type: GrantFiled: October 28, 2021Date of Patent: March 12, 2024Assignee: ZHEJIANG UNIVERSITYInventors: Chengfei Fan, Liyan Li, Yunlong Cai, Minjian Zhao, Xinglong Xu
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Patent number: 11766199Abstract: The disclosure relates to an oximeter, including a blood oxygen collecting unit that has a first light emitting unit emitting a red light, a second light emitting unit emitting an infrared light, and a light receiving sensor receiving the red light emitted by the first light emitting unit and not absorbed by a human body and the infrared light emitted by the second light emitting unit and not absorbed by the human body, and converting them into an electrical signal, a storage unit that stores measurement data and/or a power-on startup screen, the power-on startup screen including the last measurement result of a blood oxygen saturation and/or previous measurement results of the blood oxygen saturation, a power-on button that is for power-on startup, a microprocessor that calculates a blood oxygen saturation of the human body based on the electrical signal detected by the light receiving sensor.Type: GrantFiled: August 15, 2019Date of Patent: September 26, 2023Assignee: CONTEC MEDICAL SYSTEMS CO., LTD.Inventors: Kun Hu, Yunlong Xu, Jinling Zhang, Yatao Zhao, Zhichao Song, Di Wu, Bohua Yan
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Patent number: 11524331Abstract: A unidirectional or bidirectional sand dispensing device, including a discharge port (10), the discharge port includes a lower plate (11) and an upper plate (12), the upper plate is provided above the lower plate, an included angle between a horizontal plane and a straight line where an endpoint of a free end of the upper plate and an endpoint of a free end of the lower plate are located is a leakage angle (13), that is to say, a particulate material forms an inclined plane between the upper plate and the lower plate, and an included angle between the inclined plane and the horizontal plane is the leakage angle, which can be adjusted by changing relative positions of the upper plate and the lower plate. The direction of an opening of the sand passing passage is opposite to a moving direction during the sand dispensing operation.Type: GrantFiled: May 24, 2019Date of Patent: December 13, 2022Inventors: Fan Peng, Bao Yang, Jiejun He, Yunlong Xu, Yantao Wang
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Patent number: 11304636Abstract: Embodiments of the disclosure provide an oximeter, including a blood oxygen collecting unit that has a first light emitting unit, a second light emitting unit, and a light receiving sensor, the first light emitting unit emitting a red light, the second light emitting unit emitting an infrared light, and the light receiving sensor receiving the red light emitted by the first light emitting unit and the infrared light emitted by the second light emitting unit and not absorbed by the human body, and converting them into an electrical signal, a storage unit that stores a first threshold value, a microprocessor that calculates a blood oxygen saturation of the human body based on the electrical signal detected by the light receiving sensor, and includes a judging unit that judges whether the blood oxygen saturation is lower than the first threshold value, and a display unit.Type: GrantFiled: August 15, 2019Date of Patent: April 19, 2022Assignee: CONTEC MEDICAL SYSTEMS CO., LTD.Inventors: Kun Hu, Yunlong Xu, Jinling Zhang, Yatao Zhao, Zhichao Song, Di Wu, Bohua Yan
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Publication number: 20220092386Abstract: The present disclosure provides a neural network model splitting method and related products. The scheme provided by the present disclosure splits an operator into a plurality of smaller-scale sub-operators, so that a compute library under a single-core architecture can be called directly, which helps to avoid the extra work caused by re-implementation.Type: ApplicationFiled: April 13, 2020Publication date: March 24, 2022Applicant: Shanghai Cambricon Information Technology Co., LtdInventors: Yusong ZHOU, Xiao ZHANG, Linyang WU, Yehao YU, Yunlong XU
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Publication number: 20220007977Abstract: The disclosure relates to an oximeter, including a blood oxygen collecting unit that has a first light emitting unit emitting a red light, a second light emitting unit emitting an infrared light, and a light receiving sensor receiving the red light emitted by the first light emitting unit and not absorbed by a human body and the infrared light emitted by the second light emitting unit and not absorbed by the human body, and converting them into an electrical signal, a storage unit that stores measurement data and/or a power-on startup screen, the power-on startup screen including the last measurement result of a blood oxygen saturation and/or previous measurement results of the blood oxygen saturation, a power-on button that is for power-on startup, a microprocessor that calculates a blood oxygen saturation of the human body based on the electrical signal detected by the light receiving sensor.Type: ApplicationFiled: August 15, 2019Publication date: January 13, 2022Inventors: Kun HU, Yunlong XU, Jinling ZHANG, Yatao ZHAO, Zhichao SONG, Di WU, Bohua YAN
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Publication number: 20210362215Abstract: A unidirectional or bidirectional sand dispensing device, including a discharge port (10), the discharge port includes a lower plate (11) and an upper plate (12), the upper plate is provided above the lower plate, an included angle between a horizontal plane and a straight line where an endpoint of a free end of the upper plate and an endpoint of a free end of the lower plate are located is a leakage angle (13), that is to say, a particulate material forms an inclined plane between the upper plate and the lower plate, and an included angle between the inclined plane and the horizontal plane is the leakage angle, which can be adjusted by changing relative positions of the upper plate and the lower plate. The direction of an opening of the sand passing passage is opposite to a moving direction during the sand dispensing operation.Type: ApplicationFiled: May 24, 2019Publication date: November 25, 2021Inventors: Fan Peng, Bao Yang, Jiejun He, Yunlong Xu, Yantao Wang
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Publication number: 20210331882Abstract: A sand spreader includes a sand storage chamber. Two sand discharge ports are disposed below the sand storage chamber, and are an upper-layer staggered sand discharge port and a lower-layer sand pressing plate sand discharge port, respectively. The upper-layer staggered sand discharge port comprises a left side sand discharge plate and a right side sand discharge plate configured to intersect with each other. Horizontal staggered ports are formed in a position at the bottom of the two sand discharge plates, and vertical spacing between the staggered ports is adjustable. Also comprised is the lower-layer sand pressing plate sand discharge port, including left and right side sand pressing plates. Vertical sand discharge ports are disposed between the sand pressing plates on the two sides, and the width of the vertical sand discharge ports is adjustable, so as to further facilitate control over the amount of discharged sand.Type: ApplicationFiled: August 29, 2019Publication date: October 28, 2021Applicant: KOCEL INTELLIGENT MACHINERY LIMITEDInventors: Rui MA, Jiejun HE, Fan PENG, Yi LIU, Bao YANG, Yunlong XU, Mengqing YUAN, Tianyang ZHANG
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Publication number: 20210251537Abstract: Embodiments of the disclosure provide an oximeter, including a blood oxygen collecting unit that has a first light emitting unit, a second light emitting unit, and a light receiving sensor, the first light emitting unit emitting a red light, the second light emitting unit emitting an infrared light, and the light receiving sensor receiving the red light emitted by the first light emitting unit and the infrared light emitted by the second light emitting unit and not absorbed by the human body, and converting them into an electrical signal, a storage unit that stores a first threshold value, a microprocessor that calculates a blood oxygen saturation of the human body based on the electrical signal detected by the light receiving sensor, and includes a judging unit that judges whether the blood oxygen saturation is lower than the first threshold value, and a display unit.Type: ApplicationFiled: August 15, 2019Publication date: August 19, 2021Inventors: Kun HU, Yunlong XU, Jinling ZHANG, Yatao ZHAO, Zhichao SONG, Di WU, Bohua YAN
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Publication number: 20200261004Abstract: Embodiments of the disclosure provide an oximeter, including a blood oxygen collecting unit that has a first light emitting unit, a second light emitting unit, and a light receiving sensor, the first light emitting unit emitting a red light, the second light emitting unit emitting an infrared light, and the light receiving sensor receiving the red light emitted by the first light emitting unit and the infrared light emitted by the second light emitting unit and not absorbed by the human body, and converting them into an electrical signal, a storage unit that stores a first threshold value, a microprocessor that calculates a blood oxygen saturation of the human body based on the electrical signal detected by the light receiving sensor, and includes a judging unit that judges whether the blood oxygen saturation is lower than the first threshold value, and a display unit.Type: ApplicationFiled: August 15, 2019Publication date: August 20, 2020Inventors: Kun HU, Yunlong XU, Jinling ZHANG, Yatao ZHAO, Zhichao SONG, Di WU, Bohua YAN
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Patent number: 9896539Abstract: A method for synthesizing poly(butylene adipate-co-terephthalate) by combination of melt and solid state polycondensation using an organic guanidine as a main catalyst. The ternary catalyst system includes a main catalyst, a first cocatalyst, and a second cocatalyst. The main catalyst is organic guanidine; the first cocatalyst is titanate ester or zirconate ester; and the second cocatalyst is metallic oxide. The method includes: 1) adding 1,4-butanediol (BDO), adipic acid (AA), terephthalic acid (TA), and a ternary catalyst system to a reaction still; conducting an oligo-polycondensation to yield a oligomer having the weight average molecular weight (Mw) of between 3.0×103 and 4.0×103; allowing the oligomer to perform a melt polycondensation (MP) to yield a prepolymer with medium Mw of between 1.5×104 and 3.0×104; and 2) crushing the solid prepolymer into granules of 30-40 meshes, and then allowing the granules to undergo solid state polycondensation to yield the final PBAT product.Type: GrantFiled: September 12, 2016Date of Patent: February 20, 2018Assignee: NANJING UNIVERSITYInventors: Hong Li, Quanxing Zhang, Xiangqian Sun, Yunlong Xu, Wei Huang, Aimin Li
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Patent number: 9821296Abstract: A photocatalytic composition is disclosed that includes a silver halide in combination with one or more rare earth elements. The composition may be used for the photocatalytic degradation of pollutants.Type: GrantFiled: June 12, 2012Date of Patent: November 21, 2017Assignee: East China University of Science and TechnologyInventors: Chongjun Zhao, Zhen Shao, Yang Xia, Yunlong Xu, Xiuzhen Qian
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Publication number: 20170203384Abstract: Methods for recycling carbon fibers are disclosed. The methods can include providing at least one object comprising carbon fibers and resin, and contacting the object with at least one light beam to produce recycled carbon fibers. Systems that implement the disclosed methods are also provided.Type: ApplicationFiled: May 30, 2014Publication date: July 20, 2017Applicant: EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Chongjun Zhao, Youfu Huang, Jianbo Dong, Jinchao Zhang, Xiuzhen Qian, Yunlong Xu
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Publication number: 20160376403Abstract: A method for synthesizing poly(butylene adipate-co-terephthalate) by combination of melt and solid state polycondensation using an organic guanidine as a main catalyst. The ternary catalyst system includes a main catalyst, a first cocatalyst, and a second cocatalyst. The main catalyst is organic guanidine; the first cocatalyst is titanate ester or zirconate ester; and the second cocatalyst is metallic oxide. The method includes: 1) adding 1,4-butanediol (BDO), adipic acid (AA), terephthalic acid (TA), and a ternary catalyst system to a reaction still; conducting an oligo-polycondensation to yield a oligomer having the weight average molecular weight (Mw) of between 3.0×103 and 4.0×103; allowing the oligomer to perform a melt polycondensation (MP) to yield a prepolymer with medium Mw of between 1.5×104 and 3.0×104; and 2) crushing the solid prepolymer into granules of 30-40 meshes, and then allowing the granules to undergo solid state polycondensation to yield the final PBAT product.Type: ApplicationFiled: September 12, 2016Publication date: December 29, 2016Inventors: Hong LI, Quanxing ZHANG, Xiangqian SUN, Yunlong XU, Wei HUANG, Aimin LI
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Patent number: 9474477Abstract: A digital pulse oximeter with automatic orientation change function, comprising a housing that is configured to clamp a human finger being tested, a display window disposed at outside of and atop the housing, a circuit being disposed within the housing for calculating and analyzing the tested signals, and displaying them in the display window atop the housing via a display, wherein the said circuit has only one control key disposed on the housing, the said circuit allowing the display contents of the display to be always oriented properly for easy reading by connecting with one two-axis or three-axis accelerometer. The digital pulse oximeter of the present invention is featured with small size and convenient operation and can shift from one function to another using only one control key in conjunction with the interface display, thereby increasing the functions of small-sized pulse oximeters.Type: GrantFiled: September 24, 2012Date of Patent: October 25, 2016Assignee: CONTEC MEDICAL SYSTEMS CO., LTD.Inventors: Kun Hu, Yunlong Xu, Jinling Zhang, Yatao Zhao, Zhichao Song
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Publication number: 20160291079Abstract: The present disclosure provides an automated testing platform including a machine station, a transporting and positioning mechanism, a manipulator actuating mechanism, a test box, a loading and unloading device, a defective product storage unit, a protective cover, and a loading and unloading cart used in conjunction with the loading and unloading device. The transporting and positioning mechanism is installed on the machine station; the transporting and positioning mechanism includes a base plate, sliding rails and a material-taking mechanism; the base plate is provided with a feed port and an outlet port; the base plate is provided with two sliding rails; the material-taking mechanism is movably arranged on the sliding rails; the manipulator actuating mechanism is installed on the machine station; the manipulator actuating mechanism includes a manipulator and an image positioning device; the loading and unloading device is located at the feed port and the outlet port.Type: ApplicationFiled: June 17, 2016Publication date: October 6, 2016Inventors: Yinhu Li, Panxi Zhong, Xinhua Wu, Zhuming Han, Xiaomao Bai, Yunlong Xu
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Patent number: 9402572Abstract: The present invention relates to a digital portable pulse oximeter and battery-powered control method thereof. The automatic switching of the power supply is achieved by adding a Hall circuit, and the data displayed is allowed to always face the users by adding an acceleration sensor to the circuit. The advantageous effects of the present invention compared with the prior art are: Users can always read the data from the front side no matter which way they move. The digital portable pulse oximeter of the present invention can be automatically turned on just by inserting a finger, without having to press the switch button, and cut off the power supply by pulling out the finger, as well as judge intelligently whether to continue the measurement after the finger has been pulled out. If yes, the power supply will stay on, which reduces the energy waste and low efficiency caused by the restarting program initialization, improves the use efficiency of the battery and prolongs the battery life.Type: GrantFiled: March 9, 2012Date of Patent: August 2, 2016Assignee: CONTEC MEDICAL SYSTEMS CO., LTD.Inventors: Kun Hu, Yunlong Xu, Ruibin Gao, Zhen Yang, Jinling Zhang, Di Wu, Ruijie Jiang
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Publication number: 20150165420Abstract: A photocatalytic composition is disclosed that includes a silver halide in combination with one or more rare earth elements. The composition may be used for the photocatalytic degradation of pollutants.Type: ApplicationFiled: June 12, 2012Publication date: June 18, 2015Applicant: East China University of Science and TechnologyInventors: Chongjun Zhao, Zhen Shao, Yang Xia, Yunlong Xu, Xiuzhen Qian
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Publication number: 20140194712Abstract: The present invention relates to a digital portable pulse oximeter and battery-powered control method thereof. The automatic switching of the power supply is achieved by adding a Hall circuit, and the data displayed is allowed to always face the users by adding an acceleration sensor to the circuit. The advantageous effects of the present invention compared with the prior art are: Users can always read the data from the front side no matter which way they move. The digital portable pulse oximeter of the present invention can be automatically turned on just by inserting a finger, without having to press the switch button, and cut off the power supply by pulling out the finger, as well as judge intelligently whether to continue the measurement after the finger has been pulled out. If yes, the power supply will stay on, which reduces the energy waste and low efficiency caused by the restarting program initialization, improves the use efficiency of the battery and prolongs the battery life.Type: ApplicationFiled: March 9, 2012Publication date: July 10, 2014Applicant: CONTEC MEDICAL SYSTEMS CO., LTD.Inventors: Kun Hu, Yunlong Xu, Ruibin Gao, Zhen Yang, Jinling Zhang, Di Wu, Ruijie Jiang
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Patent number: D918394Type: GrantFiled: January 21, 2021Date of Patent: May 4, 2021Assignee: CONTEC MEDICAL SYSTEMS CO., LTD.Inventors: Kun Hu, Yunlong Xu, Jinling Zhang, Liang Zhang, Wei Zhang