公开(公告)号：US12122489B1

公开(公告)日：2024-10-22

申请号：US18419512

申请日：2024-01-22

Applicant: SOUTH CHINA UNIVERSITY OF TECHNOLOGY

Inventor： Binzhen Zhou ,  Xu Huang ,  Peng Jin ,  Zhi Zheng ,  Lei Wang ,  Hengming Zhang ,  Chusen Lin ,  Hongjie Wen

IPC: B63B35/44 ,  B63B39/10 ,  F03B13/14

CPC classification number: B63B35/44 ,  B63B39/10 ,  F03B13/14 ,  B63B2035/4466 ,  B63B2039/105 ,  F05B2240/93

Abstract: This invention presents an ocean observation platform with an integrated, highly reliable wave energy generation mechanism, relevant to power supply technology in marine environments. It includes a platform floating body and a power generation mechanism located at the platform's bottom. The mechanism features disassemblable power generation piles, arranged in a circular array on the floating body. This design ensures that if one pile fails, the others continue generating electricity, enabling a long-term, stable, and continuous power supply. This is particularly useful for monitoring meteorological, temperature, salinity, and ocean current data in complex marine conditions.

公开(公告)号：US20240342661A1

公开(公告)日：2024-10-17

申请号：US18754201

申请日：2024-06-26

Applicant: SOUTH CHINA UNIVERSITY OF TECHNOLOGY

Inventor： Rongrong CAI ,  Jiusi WANG ,  Lizhi ZHANG

IPC: B01D69/08 ,  B01D46/00 ,  B01D46/54 ,  B01D46/66 ,  B01D53/22 ,  B01D65/02 ,  B01D67/00 ,  B01D71/36 ,  B01D71/80

CPC classification number: B01D69/087 ,  B01D46/0032 ,  B01D46/543 ,  B01D46/785 ,  B01D53/228 ,  B01D65/02 ,  B01D67/0083 ,  B01D67/0095 ,  B01D69/081 ,  B01D71/36 ,  B01D71/80 ,  B01D2321/22 ,  B01D2323/081 ,  B01D2323/12 ,  B01D2323/35 ,  B01D2323/39

Abstract: Provided are a recyclable electret filtering membrane, a preparation method therefor and a cleaning and charge regeneration method therefor. The preparation method includes: dissolving fluorine-containing polymer particles and polyoxyethylene particles in deionized water to prepare a spinning solution, and then performing electrostatic spinning, calcining, cooling, drying and corona charging to obtain the recyclable electret filtering membrane. A surface of the filtering membrane is subjected to water drop rolling cleaning and friction electrification after dust holding, and then dried to realize charge regeneration and reuse. The filtering membrane obtained in the present invention has an initial surface potential of (−600)-(−950) V, the potential can be regenerated to (−700)-(−1000) V by water drop rolling and electrification after dust holding, the charge recovery rate is 90%-125%, the dust removal rate is 90%-100%, and the filtering efficiency for PM2.5 is equal to or greater than 94%.

公开(公告)号：US20240337777A1

公开(公告)日：2024-10-10

申请号：US18748104

申请日：2024-06-20

Applicant: SOUTH CHINA UNIVERSITY OF TECHNOLOGY

Inventor： Zhiyuan LI ,  Haoran MO ,  Zitao JI ,  Yidong ZHENG

IPC: G02B3/12 ,  G02B1/11 ,  H01L27/146

CPC classification number: G02B3/12 ,  G02B1/11 ,  H01L27/14627

Abstract: A micro-lens based on a high-refractive-index dielectric substrate, comprising a light-transmitting dielectric substrate. The dielectric substrate has an incident surface for incident light to be incident on, and a wavelength λ of incident light ranges from 2.5 μm-25 μm. The dielectric substrate has an emergent surface and a plano-concave air cavity, and the plano-concave air cavity is formed in the dielectric substrate. One end of the plano-concave air cavity is a planar end facing the incident surface, and the other end is a spherical end having a notch shape and the notch facing the emergent surface, so that the incident light is focused into a focus after passing through the plano-concave air cavity, and thus the full width at half maximum of field intensity at the focus is smaller than the full width at half maximum defined by a Rayleigh diffraction limit formula.

公开(公告)号：US12095501B2

公开(公告)日：2024-09-17

申请号：US17946054

申请日：2022-09-16

Applicant: SOUTH CHINA UNIVERSITY OF TECHNOLOGY

Inventor： Zhongmin Yang ,  Xiaoxiao Wen ,  Yueyi Sun ,  Xiaoming Wei

IPC: H04B10/079

CPC classification number: H04B10/079

Abstract: The present invention discloses an intelligent real-time full-field measurement method and system for a high-repetition-rate femtosecond pulse. The method includes: splitting a to-be-tested signal into n channels; performing a frequency reduction separation on each of the channels; splitting each channel of frequency-reduced time-domain demultiplexed signals into two signals, where a small dispersion component performs time-domain stretching on one signal, and a big dispersion component performs a time-frequency conversion on the other signal; acquiring time-domain intensity information of the to-be-tested signal after the stretching by the small dispersion component and frequency-domain envelope information of the to-be-tested signal after the time-frequency conversion by the big dispersion component; and continuously iterating the acquired time-domain intensity information and frequency-domain envelope information according to a Gerchberg-Saxton algorithm until a convergence is achieved, to obtain information about intensity and phase of the to-be-tested signal in a time domain and a frequency domain.

公开(公告)号：US12090245B2

公开(公告)日：2024-09-17

申请号：US18144859

申请日：2023-05-09

Applicant: SOUTH CHINA UNIVERSITY OF TECHNOLOGY

Inventor： Xuetao Shi ,  Wei Yang

IPC: A61L24/06 ,  C08G83/00 ,  C08L29/04 ,  A61L24/00

CPC classification number: A61L24/06 ,  C08G83/008 ,  C08L29/04 ,  A61L24/0015 ,  C08G2170/00 ,  C08L2203/02 ,  C08L2203/162

Abstract: A tissue adhesive membrane and a preparation method thereof are provided. The tissue adhesive membrane includes a supramolecular polymer and an enhancer; the supramolecular polymer is prepared by copolymerization of lipoic acid and a biocompatible stabilizer; and the enhancer includes at least one selected from the group consisting of a cationic compound, a cationic polymer, and a metal particle. The tissue adhesive membrane of the present invention can achieve rapid adhesion, seal wounds continuously and effectively, and maintain long-lasting mechanical strength. The components of the tissue adhesive membrane come from natural components of animals and plants, have good biocompatibility, and possess the functions of antibacterial and inhibiting inflammation. The tissue adhesive membrane of the present invention is a hydrophobic adhesive membrane where hydrogen bonding and high surface energy can provide strong adhesion energy and no adverse active groups that may cause irritation or discomfort are contained.

公开(公告)号：US12073564B2

公开(公告)日：2024-08-27

申请号：US17641445

申请日：2020-10-31

Applicant: SOUTH CHINA UNIVERSITY OF TECHNOLOGY

Inventor： Junying Chen ,  Haijun You

IPC: G06K9/00 ,  A61K35/12 ,  G06T7/11 ,  G06T7/12 ,  G06T7/149 ,  G06T7/62

CPC classification number: G06T7/149 ,  G06T7/11 ,  G06T7/12 ,  G06T7/62 ,  G06T2207/10132 ,  G06T2207/20081 ,  G06T2207/20084 ,  G06T2207/20116 ,  G06T2207/20161 ,  G06T2207/30004

Abstract: The present invention discloses a method for automatic segmentation of a fuzzy boundary image based on active contour and deep learning. In the method, firstly, a fuzzy boundary image is segmented using a deep convolutional neural network model to obtain an initial segmentation result; then, a contour of a region inside the image segmented using the deep convolutional neural network model is used as an initialized contour and a contour constraint of an active contour model; and the active contour model drives, through image characteristics of a surrounding region of each contour point, the contour to move towards a target edge to derive an accurate segmentation line between a target region and other background regions. The present invention introduces an active contour model on the basis of a deep convolutional neural network model to further refine a segmentation result of a fuzzy boundary image, which has the capability of segmenting a fuzzy boundary in the image, thus further improving the accuracy of segmentation of the fuzzy boundary image.

公开(公告)号：US12067864B2

公开(公告)日：2024-08-20

申请号：US17256021

申请日：2018-10-22

Applicant: SOUTH CHINA UNIVERSITY OF TECHNOLOGY

Inventor： Ling Huang ,  Hengcong Guo

IPC: G08G1/01 ,  G06V20/52

CPC classification number: G08G1/0116 ,  G06V20/52 ,  G08G1/0133 ,  G08G1/0141 ,  G08G1/0145

Abstract: The present invention discloses a method for rapid determining a situation of mixed traffic conflicts, which is used in the field of traffic management, including identifying each of traffic individual units in the road section to be detected, calculating a movement distance of the traffic individual units within the reaction time, and obtaining critical conflict areas for vehicles and pedestrians. Then by obtaining intersections of critical conflict areas to finally obtain potential traffic conflict areas. Compared with the previous traffic conflict determination technology, it has strong operability, many applicable objects, wide application range, intuitive and visible results, and practical promotion value.

公开(公告)号：US20240243731A1

公开(公告)日：2024-07-18

申请号：US18559562

申请日：2022-11-08

Applicant: SOUTH CHINA UNIVERSITY OF TECHNOLOGY

Inventor： Zhijian CHEN ,  Bin LI ,  Guangyin FENG ,  Shan GAO ,  Zhaohui WU

IPC: H03H11/04 ,  H03F3/45 ,  H03H11/12

CPC classification number: H03H11/0472 ,  H03F3/45475 ,  H03H11/1204 ,  H03F2200/261 ,  H03F2200/375

Abstract: A calibration method and a tuning method for an on-chip differential active RC filter are provided. The calibration method comprises: obtaining zero-crossing time of a differential signal outputted by a single-pole point real number filter by analyzing the single-pole point real number filter; setting a reference clock period according to the relationship between the zero-crossing time and the bandwidth of the single-pole point real number filter, and setting a calibration working time sequence according to the reference clock period; and scanning an RC configuration of an RC array according to the calibration working time sequence to realize calibration of the RC array.

公开(公告)号：US20240243482A1

公开(公告)日：2024-07-18

申请号：US18562202

申请日：2021-10-11

Applicant: SOUTH CHINA UNIVERSITY OF TECHNOLOGY

Inventor： Quan XUE ,  Wanchen YANG ,  Wenquan CHE ,  Jing HUANG ,  Qiaguang LIU

IPC: H01Q15/00 ,  H01Q1/50 ,  H01Q13/10 ,  H01Q21/06

CPC classification number: H01Q15/0086 ,  H01Q1/50 ,  H01Q13/10 ,  H01Q21/064

Abstract: Disclosed in the present disclosure are a dual-polarized broadband millimeter-wave filtering antenna based on a meta-surface, and a communication device. The dual-polarized broadband millimeter-wave filtering antenna based on a meta-surface comprises two layers of dielectric substrates, which are arranged in a stacked manner, wherein an upper surface and a lower surface of a lower-layer dielectric substrate are respectively provided with an upper-layer metal ground and a lower-layer metal ground, an upper surface of an upper-layer dielectric substrate is provided with a meta-surface structure, the meta-surface structure comprises N metal patches, which are arranged in an array, a slot is etched on each metal patch, the upper-layer dielectric substrate is connected to the upper-layer metal ground, and a Jerusalem cross slot is etched on the upper-layer metal ground. The antenna has a simple structure, and radiation and filtering can be realized at the same time without increasing the size of the antenna, thereby greatly reducing the volume of a radio-frequency front end and without any extra insertion loss.

公开(公告)号：US12009270B2

公开(公告)日：2024-06-11

申请号：US17607901

申请日：2019-11-14

Applicant: SOUTH CHINA UNIVERSITY OF TECHNOLOGY ,  GUANGDONG LUCKYSTAR ELECTRONIC TECHNOLOGY CO., LTD ,  SHENZHEN GOOD-MACHINE AUTOMATIC EQUIPMENT CO., LTD

Inventor： Zongtao Li ,  Yong Tang ,  Hong Wang ,  Shudong Yu ,  Kejian Wu ,  Guanwei Liang ,  Xinrui Ding

IPC: H01L23/13 ,  H01L23/15 ,  H01L33/62

CPC classification number: H01L23/13 ,  H01L23/15 ,  H01L33/62

Abstract: The present invention discloses a welding method of a demetallized ceramic substrate having a surface capillary microgroove structure. The demetallized ceramic substrate includes a ceramic substrate main body and surface capillary microstructures. The surface capillary microstructures are arranged on two lateral sides of the ceramic substrate main body and the surface capillary microstructures specifically are capillary microgrooves. The welding method includes the following steps: fixing a chip to an upper surface of the demetallized ceramic substrate having the surface capillary microgroove structure, fixing the ceramic substrate with the chip to a printed circuit board having a bonding pad, and placing melted solder on the bonding pad, and driving the solder to ascend to an electrode of the chip from the bonding pad in a lower layer by means of a capillary force, thereby realizing an electrical connection between the chip and the printed circuit board.