Patents by Inventor Lijun Chen

Lijun Chen 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: 20240368991
    Abstract: A tunnel constraint anchor cable and a method for improving stability of an initial support structure. The tunnel constraint anchor cable comprises steel strands (1) anchored in surrounding rock, first anchor plates (2) and first anchorage devices (3) which are installed on the surface of the surrounding rock, longitudinal connection members (5) installed between two adjacent steel ribs (4), and second anchor plates (6) and second anchorage devices (7) which are installed on the longitudinal connection members (5). With the support of the tunnel constraint anchor cable, the ability of the initial support structure to resist self instability and destruction is improved, overall settlement and convergence deformation of the initial support structure can also be suppressed. The method for improving stability of an initial support structure has the characteristics of simplicity, speed, reliability, and avoiding interference with subsequent construction processes of tunnels.
    Type: Application
    Filed: July 17, 2024
    Publication date: November 7, 2024
    Applicant: Chang'an University
    Inventors: Jianxun CHEN, Lijun CHEN, Lixin ZHANG, Yanbin LUO, Weiwei LIU
  • Publication number: 20240345098
    Abstract: The present invention relates to a method for multidimensional evaluation of the similarity of a sample to breast milk, wherein the method is performed in the following steps: (1) establishing a local breast milk phospholipid database; (2) collecting and pretreating a sample to be evaluated; (3) determining the contents of characteristic phospholipid subclasses, the contents of characteristic phospholipid molecules in the sample to be evaluated, and obtaining a microstructural image of milk fat globules in the sample by confocal laser scanning microscopy; (4) calculating the score G for the sample to be evaluated.
    Type: Application
    Filed: September 27, 2023
    Publication date: October 17, 2024
    Inventors: Lijun CHEN, Qian LIU, Yan LIU, Junying ZHAO, Bin LIU, Yan LIU, Weicang QIAO, Minghui ZHANG, Yaling WANG, Xiaofei FAN, Ziqi LI
  • Patent number: 12099098
    Abstract: A detection circuit for the on-board direct current/direct current (DC/DC) ground wire and an on-board device are provided. The circuit includes a digital signal process (DSP) controller, a detection circuit, a standby circuit for an on-board DC/DC converter, and a power-supply negative wire for the on-board DC/DC converter. The detection circuit includes a comparator, a first conductive branch, a second conductive branch, a third conductive branch. In this way, the detection circuit is connected between the DSP controller and the standby circuit for the on-board DC/DC converter, and the detection circuit is connected between the DSP controller and the power-supply negative wire for the on-board DC/DC converter.
    Type: Grant
    Filed: January 9, 2023
    Date of Patent: September 24, 2024
    Assignee: Shinry Technologies Co., Ltd.
    Inventors: Lijun Chen, Renhua Wu
  • Publication number: 20240295446
    Abstract: A temperature measurement method based on a passive RFID tag. The method comprises: acquiring a circuit temperature feature of a tag multiple times, and establishing a tag temperature-feature correspondence; and estimating, by using the tag temperature-feature correspondence and the current circuit temperature feature of the tag, the temperature of an environment where the tag is located, wherein the circuit temperature feature of the tag is the persistence time within which a passive RFID tag can operate normally during a discharging process after the tag is fully charged. By means of the method, a robust and accurate temperature measurement is achieved, and a tag can be directly deployed on an existing commercial RFID device without modifying the hardware of the tag and a reader.
    Type: Application
    Filed: June 18, 2021
    Publication date: September 5, 2024
    Inventors: Jia LIU, Lijun CHEN, Xingyu CHEN, Xu ZHANG, Fuxing WANG
  • Publication number: 20240264179
    Abstract: The present invention provides a marker set for evaluating the development of an infant's communication ability. The marker set is composed of the following fatty acids: C18:3n6, C18:2n6t, C20:3n3, C18:3n3, C18:2n6c, C20:4n6, C20:3n6, C22:6n3, and C20:5n3. The present invention further provides a method for evaluating the development of an infant's communication ability using the marker set. The present invention achieves the evaluation on the development of an infant's communication ability by extracting and detecting the contents of particular fatty acids in a breast milk or dairy product sample fed to an infant, and the development level of the infant among the peers can be inferred based on the evaluation result, so as to give suggestions relevant to diet and nutrition for the mother timely. The method is low in cost, simple and effective, and suitable for large-scale evaluation.
    Type: Application
    Filed: September 28, 2023
    Publication date: August 8, 2024
    Inventors: Lijun CHEN, Minghui ZHANG, Weicang QIAO, Junying ZHAO, Ge JIA, Yan LIU, Yaling WANG, Qian LIU, Baoyu YANG
  • Patent number: 11948031
    Abstract: A method for authenticating a passive RFID tag includes acquiring a tag fingerprint of a first tag as a first tag fingerprint, the first tag being the genuine tag; acquiring a tag fingerprint of a second tag as a second tag fingerprint, the second tag being the tag to be authenticated; comparing the first tag fingerprint with the second tag fingerprint: if the first tag fingerprint is consistent with the second tag fingerprint, determining that the second tag is a genuine tag, otherwise determining the second tag is a forged tag. The tag fingerprint is the persistence time enabling the passive RFID tag to operate normally during discharge after fully charging. The beneficial effects include being high in robustness to the change of environment and high in authentication accuracy and capable of being directly deployed on an existing commercial RFID device without modifying hardware of the tag and reader.
    Type: Grant
    Filed: February 22, 2020
    Date of Patent: April 2, 2024
    Assignees: NANJING UNIVERSITY, JIANGSU TOOKER ROBOTICS CO., LTD.
    Inventors: Jia Liu, Lijun Chen, Dong Jiang, Xingyu Chen
  • Publication number: 20230404094
    Abstract: Raw materials of a fermented milk include partially degreased raw milk, 4-10% w/w of saccharide based on the mass of the raw milk, 0.06-0.15% w/w of lactase based on the mass of the raw milk, 0.03-0.18% w/w of a stabilizer based on the mass of the raw milk, and 20-50 dcu of fermenting bacteria added per 100 kg of the raw milk; and the fermenting bacteria is one or more selected from the group consisting of Lactobacillus paracasei, Lactobacillus plantarum, Lactobacillus acidophilus, Bifidobacterium lactis and Streptococcus thermophilus, and preferably one or more selected from the group consisting of Lactobacillus plantarum with a preservation number of CGMCC No. 19748, Lactobacillus acidophilus with a preservation number of CGMCC No. 1084 and Streptococcus thermophilus. According to the fermented milk and a preparation method thereof, the prepared fermented milk has a more stable state during the shelf life.
    Type: Application
    Filed: June 15, 2023
    Publication date: December 21, 2023
    Inventors: Lijun CHEN, Tiemin Jiang, Xiaohong Song, Jiantao Li, Junying Zhao, Bin Liu, Weicang Qiao, Yanpin Liu
  • Publication number: 20230263179
    Abstract: An infant formula milk powder is rich in milk fat globule membrane protein, phospholipids, and oligosaccharides. A preparation method includes using raw cow milk as raw material, cleaning and pre-sterilizing raw cow milk, adding MFGM-rich whey protein powder, ?-lactalbumin powder, galactooligosaccharides, polyfructoses and other ingredients into the pre-sterilized raw cow milk, and performing pre-sterilization, homogenization, sterilization, concentration, and spray drying.
    Type: Application
    Filed: February 22, 2023
    Publication date: August 24, 2023
    Inventors: Lijun CHEN, Jingyao Chen, Junying Zhao, Yan Liu, Qian Liu, Bin Liu, Weicang Qiao
  • Patent number: 11716055
    Abstract: An oscillator includes a resonator, sustaining circuit and detector circuit. The sustaining circuit receives a sense signal indicative of mechanically resonant motion of the resonator generates an amplified output signal in response. The detector circuit asserts, at a predetermined phase of the amplified output signal, one or more control signals that enable an offset-reducing operation with respect to the sustaining amplifier circuit.
    Type: Grant
    Filed: April 2, 2022
    Date of Patent: August 1, 2023
    Assignee: SiTime Corporation
    Inventors: Aaron Partridge, Sassan Tabatabaei, Lijun Chen, Kamran Souri
  • Publication number: 20230210924
    Abstract: Disclosed are a yoghurt for regulating intestinal tract, preparation method therefor, and use thereof, where the yogurt is prepared from raw materials comprising the following parts by weight: 90-97 parts of raw milk, Lactobacillus gasseri of (0.7-5)×108 CFU/100 g raw milk, Streptococcus thermophilus of (0.1-9)×1010 CFU/100 g raw milk, Lactobacillus bulgaricus of (0.1-9)×1010 CFU/100 g raw milk, Lactobacillus acidophilus of (0.5-7)×108 CFU/100 g raw milk, Lactobacillus plantarum of (0.5-7)×108 CFU/100 g raw milk, Lactobacillus paracasei of (0.1-9)×107 CFU/100 g raw milk, and other probiotics, and prebiotics such as inulin. The yogurt may regulate the balance of intestinal flora and prevent constipation and gestational diabetes in overweight and/or obese pregnant women during the gestation period.
    Type: Application
    Filed: February 27, 2023
    Publication date: July 6, 2023
    Inventors: Lijun Chen, Yanpin Liu, Jiantao Li, Junying Zhao, Bin Liu, Lu Liu, Weicang Qiao, Weiming Zhou
  • Publication number: 20230203206
    Abstract: The present application relates to the technical field of further processing of dairy products, and in particular to a preparation method of milk oligosaccharides, and milk oligosaccharide powder and food prepared thereby. The preparation method comprises the steps of: performing ultrafiltration of whey liquid for at least three times, subjecting the ultrafiltration permeate to nanofiltration concentration for several times, then subjecting the nanofiltration retentate to chromatographic separation and purification, collecting chromatographic collection liquid containing sialyllactose while removing the fraction containing lactose, subjecting the collection to desalination and drying to obtain oligosaccharide powder. The milk oligosaccharides prepared by the present method and the food product containing the same comprise basically bovine milk oligosaccharides, which are light yellow or white in color, light in flavor, uniform in size, and have good thermal stability and solubility.
    Type: Application
    Filed: March 1, 2023
    Publication date: June 29, 2023
    Inventors: Lijun Chen, Baoyu Yang, Minghui Zhang, Weicang Qiao, Junying Zhao, Jingyao Chen, Yanpin Liu, Jufeng Hu
  • Publication number: 20230165264
    Abstract: A maternal milk powder and a preparation method thereof. Every 100 g of the maternal milk powder comprises: (0.1-10)×108 CFU of probiotics, 1-10 g of FOS; wherein, probiotics comprise Lactobacillus helveticus, Lactobacillus rhamnosus, Lactobacillus acidophilus, Bifidobacterium longum, Bifidobacterium animalis, and Bifidobacterium bifidum with a CFU ratio of 20-40:20-40:1-10:10-20:10-20:1-10. The maternal milk powder can effectively inhibit the proliferation of harmful bacteria in the intestinal tract of pregnant women, promote the health of intestinal microecology, improve immunity, relieve postpartum depression, etc. by adding six kinds of safe, stable and efficient probiotics and FOS.
    Type: Application
    Filed: January 18, 2023
    Publication date: June 1, 2023
    Inventors: Lijun CHEN, Junying ZHAO, Bin LIU, Jingying DONG, Yanpin LIU, Weicang QIAO
  • Publication number: 20230160976
    Abstract: A detection circuit for the on-board direct current/direct current (DC/DC) ground wire and an on-board device are provided. The circuit includes a digital signal process (DSP) controller, a detection circuit, a standby circuit for an on-board DC/DC converter, and a power-supply negative wire for the on-board DC/DC converter. The detection circuit includes a comparator, a first conductive branch, a second conductive branch, a third conductive branch. In this way, the detection circuit is connected between the DSP controller and the standby circuit for the on-board DC/DC converter, and the detection circuit is connected between the DSP controller and the power-supply negative wire for the on-board DC/DC converter.
    Type: Application
    Filed: January 9, 2023
    Publication date: May 25, 2023
    Applicant: Shinry Technologies Co., Ltd.
    Inventors: Lijun CHEN, Renhua WU
  • Publication number: 20230080697
    Abstract: The present disclosure relates to a method for detecting the contents of whey protein and casein, and/or the ratio thereof in milk powder by liquid chromatography-mass spectrometry. According to the method of the present disclosure, the characteristic peptide segments of whey protein and casein are selected and used for correction, and thus the accuracy and stability of detection of peptide segments by mass spectrometry using external standards are improved; in addition, the method of the present disclosure has the following advantages: easy to pretreat samples, low cost, a wide range of applicability, enable to perform quantitative detection of whey protein at one time, not affected by protein denaturation in the production process, no need to synthesize isotope internal standard, and avoiding influence of ionization efficiency and matrix in mass spectrometry detection by means of their own multiple characteristic peptide segment ratios.
    Type: Application
    Filed: July 22, 2022
    Publication date: March 16, 2023
    Inventors: Lijun CHEN, Tao XU, Jingyao CHEN, Weicang QIAO, Junying ZHAO
  • Publication number: 20230050528
    Abstract: Provided are a breast milk-derived Lactobacillus plantarum and use thereof. The breast milk-derived Lactobacillus plantarum, which was screened from healthy breast milk, is classified and named as Lactobacillus plantarum and has an accession number of CGMCC NO.19748. It has strong adhesion, has an inhibitory effect on 8 commonly known pathogenic bacteria, and is susceptible to 8 antibiotics, and also has strong acid resistance and bile salt resistance.
    Type: Application
    Filed: June 12, 2020
    Publication date: February 16, 2023
    Inventors: Lijun CHEN, Lu LIU, Chunmei YIN, Bin LIU, Weiming ZHOU
  • Publication number: 20230051005
    Abstract: A method for authenticating a passive RFID tag includes acquiring a tag fingerprint of a first tag as a first tag fingerprint, the first tag being the genuine tag; acquiring a tag fingerprint of a second tag as a second tag fingerprint, the second tag being the tag to be authenticated; comparing the first tag fingerprint with the second tag fingerprint: if the first tag fingerprint is consistent with the second tag fingerprint, determining that the second tag is a genuine tag, otherwise determining the second tag is a forged tag. The tag fingerprint is the persistence time enabling the passive RFID tag to operate normally during discharge after fully charging. The beneficial effects include being high in robustness to the change of environment and high in authentication accuracy and capable of being directly deployed on an existing commercial RFID device without modifying hardware of the tag and reader.
    Type: Application
    Filed: February 22, 2020
    Publication date: February 16, 2023
    Inventors: Jia LIU, Lijun CHEN, Dong JIANG, Xingyu CHEN
  • Patent number: 11323071
    Abstract: An oscillator includes a resonator, sustaining circuit and detector circuit. The sustaining circuit receives a sense signal indicative of mechanically resonant motion of the resonator generates an amplified output signal in response. The detector circuit asserts, at a predetermined phase of the amplified output signal, one or more control signals that enable an offset-reducing operation with respect to the sustaining amplifier circuit.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: May 3, 2022
    Assignee: SiTime Corporation
    Inventors: Aaron Partridge, Sassan Tabatabaei, Lijun Chen, Kamran Souri
  • Patent number: 11256225
    Abstract: The present invention discloses a data transmission apparatus of a circuit breaker controller. The data transmission apparatus comprises: a first component having a first power supply and a second component having a second power supply. The first component and the second component share a storage device. The second component is connected to a main circuit of the circuit breaker controller. The second component collects parameters of the main circuit and stores the parameters in the storage device. The second power supply powers the second component and is powered by the main circuit. The first component is connected to a communication device. The first component establishes data transmission between the communication device and the storage device. The first power supply powers the first component and is powered by an external power supply. The second power supply is connected to the first power supply and transmits a control signal to the first power supply.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: February 22, 2022
    Assignees: SEARI ELECTRIC TECHNOLOGY CO., LTD., ZHEJIANG CHINT ELECTRICS CO., LTD.
    Inventors: Xianjun Yi, Lijun Chen, Ying Jun Yin
  • Patent number: 11228180
    Abstract: Embodiments of the disclosure provide for hierarchically distributed voltage regulation and power flow optimization in a power distribution network. According to one embodiment, a regional coordinator system may determine power flow for an autonomous grid (AG) representing a portion of the distribution network based on a set of voltage parameters from nodes in the AG. The set of voltage parameters my include a current voltage magnitude. The regional coordinator system may provide, to a central controller system of the distribution network, one or more power flow parameters based on the determined power flow for the AG.
    Type: Grant
    Filed: July 9, 2020
    Date of Patent: January 18, 2022
    Assignees: Alliance for Sustainable Energy, LLC, The Regents of the University of Colorado, a body corporate
    Inventors: Xinyang Zhou, Changhong Zhao, Zhiyuan Liu, Lijun Chen
  • Patent number: D1051403
    Type: Grant
    Filed: December 3, 2022
    Date of Patent: November 12, 2024
    Inventors: Lijun Chen, Shimin Pan, Ke Shi