baber/WOPTO huggingface dataset:
Patent WO-2021103351-A1 (WO)
Inventor: WEI QI
IPC: G02F1/1333
Filed: 2020-03-17
Abstract: The invention provides a liquid crystal display module, comprising a display panel and a backlight module; the display panel comprises a first substrate and second substrate arranged oppositely, a liquid crystal layer, a first polarizer, and a plurality of fingerprint recognition units; the first substrate comprises a filter part and a light-shielding part; a patterned polarizer is employed for the first polarizer; the display panel can achieve fingerprint recognition while displaying; further, the fingerprint recognition unit is equipped with a polarization detection unit to avoid the occurrence of crosstalk.
Patent WO-2021184391-A1 (WO)
Title: Method for earlier screening of novel coronavirus
Inventor: JIN TENGCHUAN
IPC: G01N33/68
Filed: 2020-03-20
Abstract: Provided are a kit for screening for novel coronavirus infections and a detection reagent thereof. The kit contains a SARS-CoV-2 magnetic bead coating material serving as R1 and an anti-human IgA antibody acridinium ester marker serving as R2, wherein the SARS-CoV-2 magnetic bead coating material contains a magnetic bead coating material trihydroxymethyl aminomethane buffer solution (with a pH value of 7.1-7.4) coated with a SARS-CoV-2 recombinant antigen, and the anti-human IgA antibody acridinium ester marker is a 2-(N-morpholino) ethanesulfonic acid buffer solution containing an acridinium ester labeled mouse anti-human IgA monoclonal antibody.
Patent WO-2020220861-A1 (WO)
Inventor: YANG JIANXIONG
IPC: H01M50/55
Filed: 2020-03-23
Abstract: The present application relates to a top cover assembly and a secondary battery. The top cover assembly comprises: a top cover plate provided with electrode lead-out holes; electrode terminals covering the electrode lead-out holes; fixing parts, wherein the electrode terminals are connected to the top cover plate by means of the fixing parts, and the fixing parts are provided with protruding parts that extend between the electrode terminals and the top cover plate; and sealing rings, wherein the top cover plate is connected to the electrode terminals by means of the sealing rings, and the projection of the sealing rings is arranged at least partially overlapping with the projection of the protruding parts along the axial direction of the electrode lead-out holes. The top cover assembly of an embodiment of the present application is capable of blocking metal debris from overlapping with a channel between the electrode terminals and the top cover plate, thus reducing the possibility of short circuiting the electrode terminals and the top cover plate by means of the metal debris, and improving safety during a usage process of the top cover assembly.
Patent WO-2020200056-A1 (WO)
Title: Method and apparatus for generating demodulation reference signal
Inventor: GUO WENTING
IPC: H04L5/00
Filed: 2020-03-26
Abstract: Provided are a method and apparatus for generating a demodulation reference signal, wherein same relate to the technical field of communications, particularly V2X, intelligent driving, intelligent connected vehicles, etc., and can solve the problem of a communication terminal apparatus being unable to normally communicate when there is no network coverage. The method comprises: a first terminal apparatus determining an initial value of a pseudo noise (PN) sequence according to a channel type and first information, and generating a first demodulation reference signal according to the initial value of the PN sequence, and then sending the first demodulation reference signal to a second terminal apparatus, wherein the first information comprises one or more of an identifier of the first terminal apparatus, system time information and a broadcasting frequency index. The method is applied to the process of a terminal apparatus generating a demodulation reference signal.
Patent WO-2020244357-A1 (WO)
Inventor: ZHENG ZHENYU
IPC: C23C16/46
Filed: 2020-06-05
Abstract: 本发明提供了一种用于加热可旋转基片承载台的加热装置，用以改善基片承载台上表面各区域的温度均匀性。该基片承载台具有旋转轴线，该加热装置位于基片承载台下方并与基片承载台在竖直方向上相隔一距离，加热装置包括一个或多个第一加热器以及多个辅助加热器，一个或多个第一加热器用于加热上方基片承载台的环形区域，多个辅助加热器处于所述环形区域下方，且所述多个辅助加热器与旋转轴线具有不同的距离，用于调节所述环形区域中局部区域的温度。
Patent WO-2021073084-A1 (WO)
Inventor: ZHANG JIANMIN
IPC: G04B19/10
Filed: 2020-05-18
Abstract: 一种简化刻度镂空手表，包括表盘本体（1），安装于表盘本体（1）内的表盘（2）；设于表盘（2）上的、沿表盘（2）半径方向设置的、且对应十二个时位的十二个镂空纹路Ⅰ（3）；设于表盘（2）上的、沿表盘（2）半径方向设置的、且位于镂空纹路Ⅰ（3）之间的若干镂空纹路Ⅱ（4）；镂空纹路Ⅱ（4）比镂空纹路Ⅰ（3）短。该简化刻度镂空手表不需要通过印刷刻度或镶嵌刻度条来指示时间，减少了工序，同时手表结构新颖，富有美感。
Patent WO-2020253502-A1 (WO)
Title: 显示面板及显示装置
Inventor: WANG QING
IPC: G06V10/147
Filed: 2020-05-29
Abstract: 本公开的实施例提供一种显示面板及显示装置。该显示面板包括显示区，显示区包括虹膜识别区；显示面板还包括设置于虹膜识别区的光转换层；光转换层被配置为将入射到其上的可见光转换为红外光，并且红外光从所述显示面板的显示侧出射。
Patent WO-2020259266-A1 (WO)
Inventor: WANG LEI
IPC: E21D5/11
Filed: 2020-06-08
Abstract: A mining double-layer borehole wall having root-type anchoring, comprising a double-layer borehole wall and anchoring components (6), a first end of each anchoring component (6) being disposed in surrounding rock (1), a second end thereof being fixedly connected to the double-layer borehole wall, and the plurality of anchoring components (6) being arranged on the double-layer borehole wall along the circumferential direction thereof; the double-layer borehole wall comprises an outer borehole wall (2) and an inner borehole wall (3); each anchoring component (6) comprises an anchoring rod (7) and steel cables (13); a first end of each anchoring rod (7) is disposed in the surrounding rock (1) outside of the outer borehole wall (2), and a second end thereof is connected to an outer borehole wall steel grid (4) provided inside the outer borehole wall (2); a first end of each steel cable (13) is connected to the second end of the anchoring rod (7), and a second end thereof is connected to an inner borehole wall steel grid (5) provided inside the inner borehole (3); and a waterproof plastic plate is arranged between the outer borehole wall (2) and the inner borehole wall (3). Applying flexible restraints to the inner wall increases the overall load-bearing capability of the borehole wall, and allows for a corresponding reduction in the diameter of the vertical rebar in the outer wall, reduction in the surface area requiring excavation, and reduction in the surface area requiring freezing, thus reducing borehole construction costs.
Patent WO-2021057125-A1 (WO)
Inventor: SUN FEILONG
IPC: G02B6/42
Filed: 2020-06-22
Abstract: An optical module, comprising a tube base (1), a laser chip (4), a ground pin (8b), a first laser pin (8a1), and a second laser pin (8a4). A ground capacitor (6) is connected to the negative electrode of the laser chip (4). The total capacitance increases, the frequency of a resonance point of the laser chip (4) moves to a high frequency direction, and accordingly, a corresponding cut-off frequency during output power attenuation of the laser chip (4) also moves to the high frequency direction. Therefore, the applicable frequency range of the optical module moves to the high-frequency direction, thereby improving the high-frequency performance of the product.
Patent WO-2021139099-A1 (WO)
Title: Virtual can port multiplexing technology implementation method based on edge cloud environment
Inventor: WANG YE
IPC: H04L29/06
Filed: 2020-06-29
Abstract: Disclosed is a virtual can port multiplexing technology implementation method based on an edge cloud environment. The method comprises: firstly, creating a virtual can port comprising a virtual can driver, a can client end and a can serving end; and then performing a can port configuration management service and a can port data communication service, wherein the virtual can driver may be associated with a plurality of application programs, that is, one virtual can port may be used by a plurality of application programs at the same time. A virtual can port is provided in the present invention. The present virtual can port can be used by a plurality of application programs at the same time. Moreover, the present virtual can port may be connected to different application programs and associated with different physical can ports, and is easily expanded, such that the problems of data errors, inconsistency and unpredictability caused by the fact that a traditional physical can port channel is easily blocked can be effectively solved.
Patent WO-2021208248-A1 (WO)
Title: Display panel and test method thereof
Inventor: PENG BANGYIN
IPC: G09F9/30
Filed: 2020-07-01
Abstract: A display panel and a test method thereof. The display panel comprises a first test region (11) and a second test region (12); the display panel comprises an array substrate (100), a pixel electrode layer (200), and a light shielding layer (300); the pixel electrode layer (200) comprises a plurality of pixel electrode units (210), and in a direction perpendicular to the array substrate (100), an orthographic projection of the light shielding layer (300) covers orthographic projections of main-pixel electrodes (211) within the first test region (11) and of sub-pixel electrodes (212) within the second test region (12).
Patent WO-2022006940-A1 (WO)
Title: Speaker module
Inventor: DING JIANHUA
IPC: H04R1/02
Filed: 2020-07-15
Abstract: The present application provides a speaker module, comprising a housing having an accommodation space, and a sound producing unit and a spacer assembly fixedly accommodated in the housing. The sound producing unit comprises a diaphragm. The housing comprises a bottom wall directly facing the diaphragm, a top wall disposed opposite to the bottom wall and spaced apart therefrom, and a side wall extending from the bottom wall and bent toward the top wall. The bottom wall, the side wall, and the top wall surround and define the accommodation space. A blocking wall protrudes toward the top wall from a side of the bottom wall adjacent to the diaphragm. The spacer assembly fixedly covers an end of the blocking wall located away from the bottom wall. The spacer assembly divides the accommodation space into an accommodation chamber for accommodating the sound producing unit and a sound-absorbing chamber for accommodating a sound-absorbing material. The spacer assembly, the blocking wall, and the bottom wall surround and define the accommodation chamber. The sound-absorbing chamber is located between the spacer assembly and the top wall. The spacer assembly comprises a breathable spacer spaced apart from the blocking wall, and a support frame integrally formed with the periphery of the breathable spacer by means of injection molding. The support frame fixedly abuts the blocking wall. The speaker module according to an embodiment provides improved acoustic performance and can be easily assembled.
Patent WO-2022016532-A1 (WO)
Title: Efficient scan through comprehensive bitmap-index over columnar storage format
Inventor: MA JIHONG
IPC: G06F16/22
Filed: 2020-07-24
Abstract: Systems and methods for executing a query in a data analytics storage engine are provided. A method comprising: receiving a query to locate target data in the data analytics storage engine that comprises: rows of data divided into one or more splits of data having columns of data that correspond to the rows of data, and bitmap data embedded in the one or more splits, wherein the bitmap data is associated with the columns of data; and locating the target data using the bitmap data in the one or more splits.
Patent WO-2022036513-A1 (WO)
Inventor: WU JIN
IPC: G05B19/418
Filed: 2020-08-17
Abstract: 本发明涉及工厂监控技术领域，具体公开了一种智慧工厂的监控方法，包括如下步骤：S1、设置设备监控单元、库存监控单元、环境监控单元、电力监控单元以及视频监控单元；S2、建立步骤S1中各监控单元与控制主机的连接；S3、控制主机对步骤S2中所连接的各监控单元通过定位单元设置位置信息；S4、各监控单元运行，获取对应的监控参数，并将监控参数传输到控制主机中；S5、控制主机接收监控参数，进行识别处理；S6、控制主机将有问题的监控参数发送到终端，并将所有监控参数统一上传云端服务器中保存；本发明所提供的监控方法，通过设置不同的监控单元，对工厂中的不同参数进行监控以达到监控工厂的目的，全面实时监控，能够第一时间发现问题。
Patent WO-2022036526-A1 (WO)
Title: Method, apparatus, and device for processing notification message, and storage medium
Inventor: LYU XIAOQIANG
IPC: H04L29/08
Filed: 2020-08-17
Abstract: Disclosed are a method, apparatus, and device for processing a notification message, and a storage medium, which relate to the technical field of the Internet of Things. The method is applied to a server. The method comprises: generating a notification message, the notification message carrying identification information; sending the notification message by means of both a remote notification mode and a local notification mode at the same time, the identification information being used for a client corresponding to the notification message to process, when same has received two notification messages carrying the same identification information, one of the notification messages.
Patent WO-2021232619-A1 (WO)
Inventor: CHEN MINHUA
IPC: A61P25/00
Filed: 2020-09-04
Abstract: 一种他发米帝司游离酸（I）的晶型及其制备方法，含有该晶型的药物组合物，以及该晶型在制备治疗转甲状腺素蛋白淀粉样病变引发的疾病的药物中的用途。该他发米帝司游离酸的晶型比现有技术具有一种或多种改进的性质，对未来该药物的优化和开发具有重要价值。
Patent WO-2022047757-A1 (WO)
Inventor: LI QIAOYU
IPC: H04W74/08
Filed: 2020-09-05
Abstract: Methods, systems, and devices for wireless communications are described. In some wireless communications systems, a user equipment (UE) may be configured to transmit data to a network device using an unencoded signal that includes parameters for updating a local data model. The UE may receive a radio network temporary identifier (RNTI) to decode a resource allocation message that schedules uplink resources for the transmission of the parameters, where the RNTI may be a dedicated RNTI that is different from other RNTIs received by the UE. The UE may identify allocated resources as scheduled by the resource allocation message, and may apply analog modulation and pre-equalization parameters to a data block to form an unencoded uplink transmission that includes the model parameters. The UE may transmit the unencoded uplink message in accordance with an over-the-air computation procedure.
Patent WO-2021052494-A1 (WO)
Title: Size restriction based for chroma intra mode
Inventor: XU JIZHENG
IPC: H04N19/50
Filed: 2020-09-21
Abstract: A method of video processing is described. The method includes performing a conversion between a chroma block of a video region of a video picture of a video and a coded representation of the video according to a rule; wherein the rule specifies that, due to the chroma block having a size M x N, the chroma block is disallowed to be represented in the coded representation using an intra coding mode, wherein M and N are integers that indicate a width and a height of the chroma block respectively, and wherein the intra coding mode includes coding the chroma block based on a previously coded video region of the video picture.
Patent WO-2021103903-A1 (WO)
Title: 一种车辆数据通讯交互系统及其构建方法
Inventor: YU ZHUOPING
IPC: G05B23/02
Filed: 2020-10-28
Abstract: 一种车辆数据通讯交互系统及其构建方法，其中，系统包括放置在环境感知测试平台的第一测试车辆和放置在转毂测试平台的第二测试车辆，第一测试车辆和第二测试车辆上均安装有相互通讯连接的i-ECU、VCU和车辆底层电子控制单元，第一测试车辆上还安装有传感器（11），第一测试车辆与第二测试车辆相互通讯连接，具体是通过传感器（11）连接VCU或网间连接器（3），以实现两台测试车辆之间的通讯连接。本发明利用车辆底层电子控制单元组成车辆控制器局域网总线，以简化与VCU之间的连接复杂性，可直接利用传感器（11）或安装网间连接器（3），以实现两测试车辆之间数据的实时高效交互，使测试车辆具有完备的整车性能以及实时的操作响应。
Patent WO-2021114926-A1 (WO)
Title: 用于生成多层块链式结构的方法及装置
Inventor: YU BENQUAN
IPC: G06F16/27
Filed: 2020-10-28
Abstract: 一种用于生成多层块链式结构的方法，所述多层块链式结构包括底层块链式层和上层块链式层，所述方法包括：基于交易数据生成多层块链式结构中的底层块链式层的区块（320）；以及根据上层块链式层生成条件，基于底层块链式层生成上层块链式层，其中，根据上层块链式层生成条件，基于底层块链式层生成上层块链式层包括：确定底层块链式层中是否存在触发上层块链式层生成条件的基准区块（340）；响应于底层块链式层中存在触发上层块链式层生成条件的基准区块，至少部分地基于该基准区块的区块信息，生成上层块链式层的对应上层区块（360）。
Patent WO-2022000951-A1 (WO)
Title: Security monitoring apparatus and method for detector, and quantum key distribution receiver
Inventor: LIU PENG
IPC: H04B10/077
Filed: 2020-11-19
Abstract: The present application provides a security monitoring apparatus and method for a detector, and a quantum key distribution receiver. The apparatus comprises a laser, a beam splitter, an optical demodulator, and at least two detectors; the first input end of the beam splitter is connected to an optical fiber that transmits quantum light; the laser is connected to the second input end of the beam splitter; the first output end of the beam splitter is connected to the optical demodulator; the intensity of light outputted by the first output end at least is eighty percent of the intensity of light inputted by the first input end; the intensity of the light outputted by the first output end at most is twenty percent of the intensity of light inputted by the second input end; and the output end of the optical demodulator is connected to the at least two detectors. By connecting the beam splitter having a special splitting ratio to the laser for measuring the detection efficiency before the optical demodulator, and using the special splitting ratio of the beam splitter to attenuate test light outputted by the laser, the present application does not need to construct an attenuator and an extra optical path, thereby reducing the size of a device and the cost of hardware.
Patent WO-2021129270-A1 (WO)
Title: 一种碳化硅单晶、衬底和制备用装置
Inventor: GAO CHAO
IPC: C30B23/00
Filed: 2020-11-23
Abstract: 一种用于PVT法制备单晶的坩埚组件，其包括坩埚和设置在坩埚内的籽晶柱（6）；所述坩埚的侧壁包括夹层，所述夹层包括内侧壁（8）和外侧壁（2），所述内侧壁（8）比所述外侧壁（2）的孔隙率高，所述夹层形成原料腔（4）；所述籽晶柱（6）与所述坩埚的中轴线的延伸方向大致相同，所述籽晶柱（6）与所述内侧壁（8）的内表面之间形成长晶腔，该坩埚组件和长晶炉可以高效、快速的制备大尺寸、极低缺陷密度的碳化硅单晶及其衬底，从而为高质量、低成本碳化硅衬底的大规模商用化奠定技术基础。该碳化硅单晶的零微管、螺位错低于100cm -2和刃位错密度低于220cm -2。
Patent WO-2021248851-A1 (WO)
Inventor: YANG ZHENAN
IPC: B33Y50/00
Filed: 2020-12-01
Abstract: A 3D printing data generation method, a path planning method, a system and a storage medium. The 3D printing data generation method comprises: generating at least one sliced pattern according to a projection contour of a model of an object to be printed, wherein each sliced pattern comprises at least one texture line, and the end point of each texture line in each sliced pattern is positioned on the projection contour; and generating 3D printing data according to the spatial position of each printed line in a cross-sectional layer determined based on each sliced pattern, wherein the printed line comprises the texture line. The 3D printing method realizes structural designs unachievable in traditional fabric, thereby enhancing freedom of fabric design in terms of appearance and function. Moreover, proper planning of the printing path during a printing process improves printing efficiency and printing quality. A product printed using the methods enables density changes in each part of the fabric structure and satisfies various personalized needs.
Patent WO-2022116212-A1 (WO)
Inventor: ZHANG JIE
IPC: A47L11/30
Filed: 2020-12-04
Abstract: 一种振动式地面除污设备，包括兼做机体的污物收容箱（1），所述污物收容箱（1）的前侧设置入口（1.1），并且还安装有升降架（16），所述污物收容箱（1）的底部安装有电动麦克纳姆轮（19）；所述升降架（16）具有筛体（16.1）；所述升降架（16）与安装于所述污物收容箱（1）上的升降装置连接以实现升降，所述升降架（16）上安装有使自身振动的振动装置和清洁地面的清洁装置。该设备采用清洁装置实现地面污物的剥离，采用筛体（16.1）实现不同大小污物的筛分，并利用升降架（16）将其投入污物收容箱（1）内实现统一收集，提高了污物的清理能力。
Patent WO-2021212865-A1 (WO)
Inventor: XIAO JUNHONG
IPC: A61K47/42
Filed: 2020-12-10
Abstract: A compound allicin soft capsule, consisting of a capsule content and a capsule shell. The capsule content comprises the following components: 1%-65% of allicin and 1%-55% of houttuynin by weight percentage. The capsule shell comprises the following components: 10%-20% of a sizing excipient, 1-10% of a plasticizer, 1-10% of an additive and 50%-80% of water by weight percentage. In the product, a certain proportion of allicin and houttuynin are mixed sufficiently, so that effects thereof are synergistic with each other, thereby obtaining a broad-spectrum antibacterial medicament having definite curative effects, long-term use and no toxic side effects. Meanwhile, the medicament has clear ingredients and mechanism of action. Moreover, the defects that traditional Chinese medicine ingredients are complex and the mechanism of pharmacological action thereof is unclear are avoided. In addition, the defects that medicaments have large hepatic and renal toxicity side effects and cannot be taken for a long time are also avoided.
Patent WO-2022016784-A1 (WO)
Inventor: QIU ZHIWEI
IPC: H02M3/335
Filed: 2020-12-10
Abstract: 一种主动钳位返驰式转换装置、其控制器与输出电流调制方法，其中的输出电流调制方法包括：确定钳位控制开关在当前周期的导通时机信息（S21）；所述导通时机信息表征了以下至少之一：所述钳位控制开关在所述当前周期中是否导通；所述钳位控制开关在所述当前周期中的导通时机；其中，所述导通时机信息与所述主动钳位返驰式转换装置当前所需的输出电流波形相匹配，所述输出电流波形为所述主动钳位返驰式转换装置的副边绕组经输出二极管所输出的电流的波形；在所述钳位控制开关关断后，根据所述导通时机信息，控制所述钳位控制开关，以得到当前所需的输出电流波形（S22）。
Patent WO-2021115431-A1 (WO)
Inventor: YIN BIN
IPC: G09F9/30
Filed: 2020-12-11
Abstract: Disclosed is an electronic apparatus (100). The electronic apparatus (100) comprises a shell (10), a reel (20), a flexible display screen assembly (30) and a limiting member (40). The shell (10) comprises a first portion (11, 12) and a second portion (13, 14), which can move relative to each other. The reel (20) is rotatably arranged on the first portion (11, 12). One end of the flexible display screen assembly (30) is fixedly connected to the second portion (13, 14), and the other end of the flexible display screen assembly is wound around the reel (20). The limiting member (40) is rotatably arranged on the first portion (11, 12), the middle portion of the flexible display screen assembly (30) is wound around the limiting member (40), and the limiting member (40) is used for limiting the shape of the flexible display screen assembly (30). The reel (20) can rotate to release the flexible display screen assembly (30) when the first portion (11, 12) and the second portion (13, 14) perform a separation motion, thereby expanding a display portion (301) of the flexible display screen assembly (30).
Patent WO-2022120854-A1 (WO)
Inventor: LIU YANG
IPC: H04W74/08
Filed: 2020-12-11
Abstract: Les modes de réalisation de la présente divulgation concernent un procédé et un appareil de transmission d'informations, un dispositif de communication et un support de stockage. Ledit procédé comprend les étapes suivantes : une station de base envoie un message système transportant des informations d'indication de ressources, des ressources de canal physique d'accès aléatoire partagées indiquées par les informations d'indication de ressources étant utilisées pour transmettre un préambule d'accès aléatoire lorsqu'un UE de premier type effectue un accès aléatoire en deux étapes, et un préambule d'accès aléatoire lorsqu'un UE de second type effectue un accès aléatoire.
Patent WO-2021135927-A1 (WO)
Inventor: YAO JIANQING
IPC: A61F2/36
Filed: 2020-12-15
Abstract: 一种多孔性表面结构（21）和基底（23）的连接结构及其制备方法与假体（1），复合体（2A），包含预先连接或一体成型的多孔性表面结构（21）与中间体（22）；基底（23），与中间体（22）连接，实现复合体（2A）与基底（23）的连接；复合体（2A）包含对应第一刚度的第一复合区域；复合体（2A）中除第一复合区域以外的剩余复合区域，至少包含对应第二刚度的第二复合区域；第一刚度小于第二刚度，将复合体（2A）和基底（23）实现紧固连接，保持基底（23）力学性能；可以保证人工植入假体（1）具备优良的骨长入性能，且使基底（23）的强度不受实质性影响。
Patent WO-2022126759-A1 (WO)
Inventor: SUN SHUQUAN
IPC: G01V1/22
Filed: 2020-12-30
Abstract: 本发明公开了无线通信和有线网络混合的地震勘探系统和方法，包括系统控制仪器车和多个独立设置的勘探单元，所述勘探单元通过无线通信和所述系统控制仪器车连接；所述系统控制仪器车，用于向所述勘探单元发送指令、然后接收所述勘探单元的采集数据；所述勘探单元包括通过采集站、与所述采集站有线网络连接的电源站和与所述电源站有线网络连接的无线收发节点，所述采集站，用于采集人工地震信号；所述电源站，用于对采集站供电、发送指令和收集所述采集站的状态和数据；无线收发节点，用于在电源站和系统控制仪器车之间传输指令。本发明既具有有线传输的高带道能力和统一供电的优点，又能利用无线通信高速数据传输性能，扩展了系统组网能力。
Patent WO-2021143525-A1 (WO)
Title: Transverse differential dark-field confocal microscopic measurement apparatus and method therefor
Inventor: LIU JIAN
IPC: G01N21/88
Filed: 2020-12-30
Abstract: Disclosed are a transverse differential dark-field confocal microscopic measurement apparatus and a method therefor. The apparatus comprises: an annular light illumination module, an annular light scanning module and a differential confocal detection module. Illumination beam shaping and complementary aperture shielding detection are performed such that a sample reflection signal and a scattering signal are effectively separated, and three-dimensional distribution information of defects such as nano-scale subsurface cracks, bubbles, etc., is obtained; and differential confocal detection is performed such that the transverse sensitivity, linearity and signal-to-noise ratio of a measurement system are improved, and common-mode noise caused by environmental state difference, light intensity fluctuation of a light source, detector electrical drift, etc. can be significantly suppressed.