Patents by Inventor Xiaojun Xu

Xiaojun 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).

  • Publication number: 20250115764
    Abstract: The present application provides a method for bluing anthocyanin, including: mixing anthocyanin with a protein to obtain a mixed solution; and bluing the anthocyanin through standing treatment of the mixed solution. The method includes no high hydrostatic pressure treatment. A concentration of the anthocyanin in the mixed solution ranges from 0.05 mM to 0.2 m. The anthocyanin is cyanidin-3-glucoside, the protein is selected from human serum albumin or lysozyme, a final concentration of the human serum albumin, if present, in the mixed solution ranges from 0.1 mM to 2 mM, and a final concentration of the lysozyme, if present, ranges from 0.8 mM to 1.5 mM. Alternatively, the anthocyanin is malvidin-3-glucoside, the protein is selected from human serum albumin or bovine serum albumin, and the final concentration ranges from 0.1 mM to 0.5 mM. A pH value of the mixed solution ranges from 5.0 to 9.0.
    Type: Application
    Filed: December 15, 2024
    Publication date: April 10, 2025
    Inventors: Xiaojun LIAO, Peiqing YANG, Wenxin WANG, Zhenzhen XU, Yongtao WANG
  • Publication number: 20250093021
    Abstract: A light-emitting body assembled by modular assembly, a light-emitting body module, a lamp, and a light-emitting device includes a first circuit structure, a power connector, and a light-emitting unit. The first circuit structure includes a first protrusion. The power connector is rigidly connected to one end of the first circuit structure. The first circuit structure is electrically connected to an external power connecting terminal through the power connector. The light-emitting unit is disposed around the first circuit structure. The light-emitting unit is electrically connected to the first protrusion. The first protrusion extending out of the adapter connecting piece is disposed on the first circuit structure, and the first protrusion has contacts electrically connected to the light-emitting unit.
    Type: Application
    Filed: November 27, 2024
    Publication date: March 20, 2025
    Inventor: XIAOJUN XU
  • Publication number: 20250086257
    Abstract: Embodiments of the present disclosure provide a solution for watermark processing. A method includes: dividing at least one portion of a n original text for watermark embedding into a plurality of original text segments; determining, for an original text segment of the plurality of original text segments, a target symbol from a symbol sequence in watermark information; converting, based on respective target symbols determined for the plurality of original text segments, the plurality of original text segments into a plurality of watermarked text segments by using a set of language models for watermark embedding, the set of language models corresponding to a set of symbol values respectively; and generating a watermarked text for the original text based on the plurality of watermarked text segments.
    Type: Application
    Filed: November 22, 2024
    Publication date: March 13, 2025
    Inventors: Xiaojun Xu, Jinghan Jia, Hang Li, Yuanshun Yao
  • Publication number: 20250076326
    Abstract: The present disclosure provides a microplate transfer apparatus and a modularized liquid-phase equipment. The microplate transfer apparatus includes: a first frame extendable into the modularized liquid-phase equipment; a second frame connected to the first frame and fixed in place by being supported by the first frame in a state that the first frame extends into the modularized liquid-phase equipment; a chuck and a push-pull mechanism, the chuck and the push-pull mechanism being connected to the second frame, the chuck configured to be detachably connected to a microplate tray into which the microplate can be placed, the push-pull mechanism is configured to drive the chuck to push or pull the microplate tray to enter or exit the modularized liquid-phase equipment. The modularized liquid-phase equipment includes the microplate transfer apparatus and the microplate tray.
    Type: Application
    Filed: August 30, 2024
    Publication date: March 6, 2025
    Inventors: Xiaojun XU, Junshi GE
  • Patent number: 12240938
    Abstract: Disclosed are (2,2-dimethyl-1,3-dioxolan-4-yl)methyl 2-bromo-2,2-difluoroacetate, a waterborne polyurethane, and preparation methods thereof. The (2,2-dimethyl-1,3-dioxolan-4-yl)methyl 2-bromo-2,2-difluoroacetate could be used as a modified monomer for preparing a waterborne polyurethane, and substituents at a C2 position of the (2,2-dimethyl-1,3-dioxolan-4-yl)methyl 2-bromo-2,2-difluoroacetate are two fluorine atoms and one bromine atom. When it is used for preparing the waterborne polyurethane, fluorine and bromine groups are introduced into the structure of the waterborne polyurethane, and the resultant waterborne polyurethane exhibits good moisture resistance and flame retardance.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: March 4, 2025
    Assignees: Hangzhou Transfar Fine Chemical Co., Ltd., Hangzhou Normal University
    Inventors: Shengpeng Wang, Bajin Chen, Weiming Xu, Jinxing Song, Pengfei Zhang, Xiaojun Wang, Bencheng Yu, Youju Huang, Xiaobo Yang
  • Publication number: 20250052152
    Abstract: A method for evaluating productivity of a heterogeneous gas reservoir considering interlayer crossflow is disclosed in the invention, and includes: (1) dividing a heterogeneous gas reservoir into multiple reservoir sections along the depth of the heterogeneous gas reservoir; (2) obtaining the productivity of each reservoir section according to data obtained through wireline formation test; (3) superimposing the productivity of all reservoir sections based on the water-electricity similarity principle to obtain the superimposed productivity of the heterogeneous gas reservoir; and (4) using an interlayer crossflow correction coefficient considering influence caused by the interlayer crossflow to obtain the corrected productivity of the heterogeneous gas reservoir.
    Type: Application
    Filed: August 23, 2024
    Publication date: February 13, 2025
    Inventors: Changgui XU, Shusheng GUO, Hao LIANG, Xiaojun XIN
  • Patent number: 12209057
    Abstract: A preparation method of a polymer-derived high-temperature ceramic thin film sensor is provided. Specifically, a sensitive layer precursor layer is prepared by spraying a sensitive layer precursor liquid on an alumina substrate, and the sensitive layer precursor liquid is obtained by mixing precursor liquid with conductive powder. A protective layer precursor liquid is prepared by spraying protective layer precursor liquid on the sensitive layer precursor layer, and the protective layer precursor liquid is obtained by mixing TiB2 nano-powder, insulating powder and the precursor liquid. The protective layer precursor layer, a solder and the sensitive layer precursor layer are simultaneously pyrolyzed by a one-time pyrolysis process, and thus a protective layer, the solder joints and the sensitive layer are obtained simultaneously. Thus, there is no need to pyrolyze the sensitive layer first, saving the time for pyrolyzing the sensitive layer.
    Type: Grant
    Filed: August 20, 2024
    Date of Patent: January 28, 2025
    Assignee: Lingnan Normal University
    Inventors: Zaifu Cui, Zhenguo Lu, Liwen Huang, Zhonghai Wang, Zitong Xu, Wenjin Duan, Bohuai Gou, Dingyun Mao, Xiaojun Chen, Xin Li, Guangzhou Sui
  • Patent number: 12212033
    Abstract: The disclosure discloses a low-loss transmission line structure, which belongs to the field of radio frequency transmission lines and includes at least two metal layers stacked in a vertical manner. A dielectric layer is filled between the metal layers. The metal layers include a signal transmission strip in a middle portion. Ground strips are provided on both sides of the signal transmission strip. Through holes are evenly distributed on the dielectric layer, and the signal transmission strips on each of the metal layers are connected through the through holes to form a signal transmission line. The ground strips on each metal layer are connected through the through holes.
    Type: Grant
    Filed: December 26, 2023
    Date of Patent: January 28, 2025
    Assignee: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Xiaojun Bi, Jian Li, Ziang Xu, Zixuan Wei
  • Publication number: 20250019310
    Abstract: A preparation method of a polymer-derived high-temperature ceramic thin film sensor is provided. Specifically, a sensitive layer precursor layer is prepared by spraying a sensitive layer precursor liquid on an alumina substrate, and the sensitive layer precursor liquid is obtained by mixing precursor liquid with conductive powder. A protective layer precursor liquid is prepared by spraying protective layer precursor liquid on the sensitive layer precursor layer, and the protective layer precursor liquid is obtained by mixing TiB2 nano-powder, insulating powder and the precursor liquid. The protective layer precursor layer, a solder and the sensitive layer precursor layer are simultaneously pyrolyzed by a one-time pyrolysis process, and thus a protective layer, the solder joints and the sensitive layer are obtained simultaneously. Thus, there is no need to pyrolyze the sensitive layer first, saving the time for pyrolyzing the sensitive layer.
    Type: Application
    Filed: August 20, 2024
    Publication date: January 16, 2025
    Inventors: Zaifu Cui, Zhenguo Lu, Liwen Huang, Zhonghai Wang, Zitong Xu, Wenjin Duan, Bohuai Gou, Dingyun Mao, Xiaojun Chen, Xin Li, Guangzhou Sui
  • Patent number: 12196402
    Abstract: A lamp body, a table lamp, and a stake lamp are provided. The lamp body includes a lampshade, a light-emitting body, a terminal connecting base, a terminal connector, and a wire. The lampshade defines an opening. The light-emitting body is placed in the lampshade through the opening. A plug is disposed on one end of the light-emitting body. The terminal connecting base is detachably connected to the opening. The terminal connector is matched with the plug. One end of the terminal connector is screwed with a first end of the terminal connecting base. The wire passes through a second end of the terminal connecting base and is electrically connected to the terminal connector, the plug is plugged into the terminal connector. Not only a height of the light-emitting body after plugging is adjusted by rotating the terminal connector, but also rigid support of the light-emitting body is realized.
    Type: Grant
    Filed: June 7, 2024
    Date of Patent: January 14, 2025
    Assignee: JIANGMEN CITY SHENGDA LIGHTING CO., LTD.
    Inventors: Xiaojun Xu, Haiyan Xu, Caiju Sun
  • Patent number: 12200357
    Abstract: Provided are a wake-up method and device for a surveillance camera, a surveillance camera and a medium. The surveillance camera includes a detection sensor and an image sensor. The wake-up method for a surveillance camera includes: in response to the detection sensor detecting presence of an intrusion target in a surveilled region, controlling the image sensor to enter a first image acquisition mode; controlling the image sensor in the first image acquisition mode to acquire at least two frames of surveillance images; determining whether the intrusion target is a surveilled target according to the at least two frames of surveillance images; and in response to determining that the intrusion target is a surveilled target, switching the image sensor from the first image acquisition mode to a second image acquisition mode, and controlling the image sensor in the second image acquisition mode to acquire a surveillance image having the surveilled target.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: January 14, 2025
    Assignee: ZHEJIANG UNIVIEW TECHNOLOGIES CO., LTD.
    Inventor: Xiaojun Xu
  • Publication number: 20240391144
    Abstract: Disclosed are a supercritical in-mold foam forming device with a pretreatment function and a foaming method thereof. The supercritical in-mold foam forming device comprises a high-pressure reactor. A safety valve is disposed at the top of the high-pressure reactor and seals the top of the high-pressure reactor. A driving member used for driving is mounted in the middle of the top of the high-pressure reactor through bolts. An intra-mold temperature control module is disposed in a foaming mold, two groups of uniform heating plates are controlled be powered on synchronously to generate heat, and a temperature gradient is formed in a graphite backing plate by controlling the difference in proportion of output power.
    Type: Application
    Filed: May 26, 2023
    Publication date: November 28, 2024
    Inventors: Xiaojun XU, Zhenhuan LUO, Fuqi LIU, Zhaoyang ZHOU, Runhong LIU
  • Patent number: 12146627
    Abstract: A light body connecting structure, a light body and a string light are provided. The light body connecting structure includes a wiring terminal and a wire. The wiring terminal includes a terminal body and at least one wiring plug. At least one mounting groove is defined on the terminal body for accommodating the at least one wiring plug. The terminal body is detachably connected to the lampshade. When the terminal body is to be connected to the lampshade, the at least one wiring plug is aligned with the opening of the lampshade. When the light body connecting structure is connected to the lampshade, the at least one wiring plug is disposed outside the opening and aligns with the opening, so a length of the light body is allowed to be long and light emitted by the light body is bright and uniform.
    Type: Grant
    Filed: January 10, 2024
    Date of Patent: November 19, 2024
    Assignee: JIANGMEN CITY SHENGDA LIGHTING CO., LTD.
    Inventors: Xiaojun Xu, Haiyan Xu, Caiju Sun
  • Patent number: 12140295
    Abstract: A light body connecting structure, a light group, and an assembling method of the light group are provided. The light body connecting structure includes a wiring terminal electrically connected with a light body and a wire. The wiring terminal includes a terminal body and a plug assembly. The terminal body is matched with any opening of a lampshade. The plug assembly is connected with a first end of the terminal body. One end of the wire passes through a second end of the terminal body and is electrically connected with the plug assembly. The plug assembly is connected with the terminal body, so that the plug assembly is connectable to lampshades of different sizes, and the light body connecting structure is adapted and mounted with a light body in any of the lampshades, which is versatile and reduces production cost.
    Type: Grant
    Filed: January 8, 2024
    Date of Patent: November 12, 2024
    Assignee: JIANGMEN CITY SHENGDA LIGHTING CO., LTD.
    Inventors: Xiaojun Xu, Haiyan Xu, Caiju Sun
  • Publication number: 20240307823
    Abstract: A multistage nanofiltration (NF) system for filtering a solute from a feed solution where a downstream NF stage is more permissive to the solute than an upstream NF stage. In some examples. the nanofiltration system includes a plurality of nanofiltration stages in series, where each nanofiltration stage is more permissive to the solute than the nanofiltration stage that is immediately upstream.
    Type: Application
    Filed: June 30, 2022
    Publication date: September 19, 2024
    Inventors: Jianwen ZHAI, Xiaojun XU, Linglu YANG
  • Publication number: 20240166834
    Abstract: Disclosed are a supercritical thermoplastic foam elastomer material and a preparation method and application thereof, belonging to the technical field of foam materials. The supercritical thermoplastic foam elastomer material comprises a thermoplastic elastomer, talc powder, a chain extender and an auxiliary material. According to the invention, a TPU raw material is injection-molded into a shape corresponding to a midsole, and can be directly molded after foaming without being cut. In addition, because the TPU raw material is integrally formed by injection molding, the particles of the popcorn material will not be adhered, and the defect of adhesion between the particles can be ameliorated.
    Type: Application
    Filed: November 22, 2022
    Publication date: May 23, 2024
    Inventors: Runhong LIU, Xiaojun XU, Zhaoyang ZHOU, Ho YIK
  • Patent number: 11906139
    Abstract: A lamp head assembly includes a lamp holder, a light-emitting element, a first lampshade, and a second lampshade. A plug interface is disposed on the lamp holder for supplying power, and the light-emitting element is inserted into the plug interface. The first lampshade includes a first connecting port and a first accommodation cavity, the first connecting port is communicated with the first accommodation cavity, the first lampshade is connected to the lamp holder through the first connecting port, and the light-emitting element is located in the first accommodation cavity. The second lampshade includes an extension body and an abutting portion, and the abutting portion is connected to a first side of the extension body. The abutting portion abuts against the first connecting port, or, the abutting portion abuts against the lamp holder. The extension body extends from the abutting portion toward the first accommodation cavity.
    Type: Grant
    Filed: May 17, 2023
    Date of Patent: February 20, 2024
    Assignee: JIANGMEN CITY SHENGDA LIGHTING CO., LTD.
    Inventor: Xiaojun Xu
  • Publication number: 20230421953
    Abstract: Methods and systems of improving bass response for a speaker in a portable computing device are described. One portable computing device includes first and second cover parts that are joined together to form a casing of the portable computing device, wherein a speaker volume is formed between portions of the first and second cover parts; a speaker arranged within the speaker volume; and one or more elastic spacers arranged between the first and second cover parts. The one or more elastic spacers are arranged to counteract, by their elastic recoil forces, a compression of the speaker volume when the first and second cover parts are under external compressing forces. The one or more elastic spacers are arranged between the first and second cover parts to be partially compressed by the first and second cover parts in the absence of external compressing forces on the first and second cover parts.
    Type: Application
    Filed: November 17, 2021
    Publication date: December 28, 2023
    Applicant: DOLBY LABORATORIES LICENSING CORPORATION
    Inventors: Xiaojun Xu, Tiezhong Liu
  • Patent number: 11761613
    Abstract: The present disclosure is based on the characteristic that the LED chip emits light when the polarity at each electrode of a LED chip is the same as the polarity of the respective electrode of the power supply to which the electrode of the LED chip is connected. The LED chip sets each with a respective color temperature are connected in opposite manner to two conductive members that are electrically connected to positive and negative electrodes of a power supply. After the power supply is turned on, the LED chip set having the polarity at each electrode the same as the polarity of the respective conductive member to which the electrode connects can emit light, and the LED chip set having the polarity at each electrode opposite to the polarity of the respective conductive member to which the electrode connects can not emit light.
    Type: Grant
    Filed: June 9, 2022
    Date of Patent: September 19, 2023
    Assignee: JIANGMEN CITY SHENGDA LIGHTING CO., LTD.
    Inventor: Xiaojun Xu
  • Patent number: 11747002
    Abstract: A string light includes a number of light emitting units, a number of connection cables, any two of which are detachably connectable to each other, and a number of integrally-formed light covers. Each of the light emitting units is connected to two of the connection cables. The light emitting units are received in the light covers, respectively. Each of the light covers defines two through holes that allow a corresponding one of the light emitting units and ends of two of the connection cables to pass therethrough. The light covers are connected to the connection cables.
    Type: Grant
    Filed: September 1, 2022
    Date of Patent: September 5, 2023
    Assignee: SHENZHEN LESHIDA LIGHTING CO., LTD.
    Inventor: Xiaojun Xu