baber/WOPTO huggingface dataset:
Patent WO-2020124571-A1 (WO)
Title: 充电装置、待充电设备、充电方法及计算机存储介质
Inventor: WAN SHIMING
IPC: H02J7/02
Filed: 2018-12-21
Abstract: 一种充电装置、待充电设备、充电方法及计算机存储介质，充电装置包括无线充电接收单元（101）、有线充电连接单元（102）、控制单元（103）和充电管理单元（104）；控制单元（103），用于当确定处于无线充电模式时，控制充电管理单元（104）与无线充电接收单元（101）之间的通路导通；以及当确定处于有线充电模式时，控制充电管理单元（104）与有线充电连接单元（102）之间的通路导通；充电管理单元（104），用于根据控制单元（103）所导通的通路，由无线充电接收单元（101）或者有线充电连接单元（102）为电池（105）进行充电；控制单元（103），还用于当确定处于无线充电模式时，根据检测得到的电池电压、电池电流以及无线充电接收单元（101）的输出电流，向无线充电设备发送控制指令，控制指令用于指示无线充电设备的发射功率需要调整。
Patent WO-2019129120-A1 (WO)
Title: Tolcapone pour la prévention et/ou le traitement de l'obésité et de maladies métaboliques associées
Inventor: HUANG NIU
IPC: A61P3/00
Filed: 2018-12-27
Abstract: L'invention concerne de la tolcapone en tant qu'inhibiteur de FTO pour une utilisation dans la réduction de l'ingestion d'aliments ou de l'appétit, la réduction du gain de poids, la promotion de la perte de poids, la réduction de la glycémie, la réduction de LDL, de cholestérol, de LDL-c, ou de triglycérides sériques, pour une utilisation dans la prévention ou le traitement de l'obésité ou d'une maladie liée à l'obésité (en particulier le diabète, l'hyperglycémie, la néphropathie diabétique, l'hyperlipémie, la coronaropathie, l'athérosclérose, l'hypertension, les maladies du foie, des reins ou de la thyroïde), ou l'amélioration ou la réduction de la pathologie ou de la gravité de l'obésité ou d'une maladie liée à l'obésité ou d'un symptôme d'obésité ou d'une maladie liée à l'obésité. L'invention concerne également une composition pharmaceutique comprenant de la tolcapone ou un sel pharmaceutiquement acceptable ou un promédicament de celle-ci co-conditionné(e) ou co-formulé(e) avec un second médicament différent, par exemple, pour réguler l'appétit et/ou réduire l'ingestion d'aliments, inhiber le gain de poids, favoriser la perte de poids, réduire la glycémie, réduire LDL, le cholestérol, LDL-c, ou les triglycérides sériques, ou traiter l'athérosclérose.
Patent WO-2020133255-A1 (WO)
Inventor: FAN CAIBIN
IPC: G01N35/00
Filed: 2018-12-28
Abstract: L'invention concerne un appareil d'analyse d'échantillon (60), ainsi qu'un système de maintenance et un procédé associé, qui améliorent le processus de maintenance de l'appareil d'analyse d'échantillon (60) de telle sorte que le processus de maintenance soit pratique et à haut rendement, ce qui permet de réduire l'interaction de l'utilisateur, d'augmenter l'efficacité de maintenance et de réduire le temps de préparation par un utilisateur avant le test.
Patent WO-2019233098-A1 (WO)
Title: Method and apparatus for determining commodity purchase, and user terminal
Inventor: HUANG DINGLONG
IPC: G06K9/00
Filed: 2019-01-02
Abstract: Provided are a method and apparatus for determining a commodity purchase, and a user terminal. The method comprises: receiving a shopping start instruction returned by triggering an infrared signal by a user shopping gesture; starting image collection according to the shopping start instruction and stopping the image collection of the user shopping gesture when a shopping termination instruction is received, so as to obtain continuously photographed images with timestamps; and carrying out image recognition on the continuously photographed images with the timestamps to determine commodity purchasing data of a user and settling commodities according to the commodity purchasing data. The method has the advantages that in an open shopping environment, the determination of shopping behavior of a user and the intelligent recognition of the variety and quantity of purchased items are realized by means of image recognition technology, and the recognition and the determination of the commodity purchasing behavior of the user and the purchased commodities are realized, such that labor costs are reduced, the settlement time is greatly shortened, the settlement efficiency is high, the shopping process is simple and the user experience is improved.
Patent WO-2019154086-A1 (WO)
Title: Tray, power supply device and electric vehicle
Inventor: LU JIA
IPC: B60K1/04
Filed: 2019-01-23
Abstract: A tray (10) comprises a chamber (101) for placing contents to be accommodated, at least two glue accommodating grooves (1) being formed on a bonding surface (102) of the tray (10) for bonding a tray cover (9), the at least two glue accommodating grooves (1) being spaced apart in an inner and outer direction of the tray (10) and extending along a circumferential direction of the chamber (101). A power supply device (30) comprises a tray cover (9), a power supply (31) and a tray (10), the power supply (31) being provided in the chamber (101) of the tray (10), and the tray cover (9) being fixedly connected to the tray (10) in a sealed manner by means of a glue (2) provided in at least two glue accommodating grooves (1). An electric vehicle (40), the electric vehicle (40) is provided with a power supply device (30), and the tray (10) is fixedly connected to a frame (41) of the electric vehicle (40). The tray has a simple structure, and in practical use, the step of screw connection can be omitted, ensuring that the tray and the tray cover are reliably fixedly connected and maintain a stable and reliable seal.
Patent WO-2020052195-A1 (WO)
Title: Jade identification method, device and system, and storage medium
Inventor: LI CAN
IPC: G01N21/39
Filed: 2019-01-31
Abstract: Provided by the present invention are a jade identification method, device and system, and a storage medium. The method comprises: acquiring a first terahertz time domain spectrum of a reference sample and a second terahertz time domain spectrum of a jade sample by using a terahertz time domain spectroscopy device having a reflective terahertz optical path; performing Fourier transform on the first terahertz time domain spectrum and the second terahertz time domain spectrum respectively to acquire a first terahertz frequency domain spectrum of the reference sample and a second terahertz frequency domain spectrum of the jade sample; calculating an absorption coefficient spectrum of the jade sample or a refractive index spectrum of the jade sample according to the first terahertz frequency domain spectrum and the second terahertz frequency domain spectrum; and determining the authenticity of the jade sample according to the absorption coefficient spectrum or the refractive index spectrum. By employing the present method, jade samples may be identified without damaging the quality thereof, and the calculation and analysis processes are simple.
Patent WO-2019179267-A1 (WO)
Title: 一种苯氧羧酸类除草剂的制备方法
Inventor: SUN GUOQING
IPC: C07C59/70
Filed: 2019-02-18
Abstract: 一种苯氧羧酸类除草剂的制备方法，包括：S1、将无水酚、碱性物质与氯代羧酸酯混合，在无水体系中一锅法缩合反应，得到苯氧羧酸酯；所述氯代羧酸酯的通式为ClR1COOR，R1为C1～3的亚烷基或次烷基，R为C1～10的烷基或C3～10的环烷基；S2、将所述苯氧羧酸酯在第一催化剂和第二催化剂作用下，与氯化剂进行选择性氯化，得到氯代苯氧羧酸酯；所述第一催化剂选自路易斯酸，第二催化剂为C5～22的硫醚类化合物、噻唑类化合物、异噻唑类化合物或噻吩类化合物；S3、将所述氯代苯氧羧酸酯进行酸解反应，得到式I所示苯氧羧酸类除草剂，R3为H、Cl或CH3。本发明能改善产品品质和生产操作环境，三废低。(I)
Patent WO-2019205797-A1 (WO)
Title: Noise processing method, apparatus and device
Inventor: AN HUANGBIN
IPC: G10L21/0208
Filed: 2019-02-26
Abstract: A noise processing method, comprising: obtaining a frequency domain signal of a current voice signal (S1); dividing the frequency domain signal into multiple subbands arranged in sequence (S2); obtaining a power ratio of two non-voice sections adjacent in time by means of voice activity detection respectively in each subband (S300); obtaining, according to the power ratio, a corresponding smoothing factor for removing the non-voice sections (S301); obtaining a covariance matrix in each subband according to the smoothing factor (S302); and obtaining an output weight vector of each subband according to the covariance matrix (S303).
Patent WO-2019170061-A1 (WO)
Title: HFn包载阿霉素的方法及其产物
Inventor: YAN XIYUN
IPC: A61P35/00
Filed: 2019-03-04
Abstract: 本发明涉及HFn包载阿霉素的方法及其产物。具体而言，本发明通过具体探索不同浓度的脲、不同的添加剂、不同的HFn/阿霉素比例和/或不同的孵育条件如孵育温度、孵育时间、孵育缓冲液及pH对HFn包载阿霉素的最佳条件进行了探索。利用本发明所获得的包载条件，可以方便、快捷、高效、足量地利用HFn包载阿霉素。
Patent WO-2019242360-A1 (WO)
Title: 一种信道质量信息处理方法及装置
Inventor: QI LILI
IPC: H04W72/04
Filed: 2019-03-22
Abstract: 本公开公开了一种信道质量信息处理方法及装置，包括：根据配置的发送参数确定信道质量参考信息在预制波束上周期发送的波束集合；确定终端的激活预制波束；从确定出的波束集合中选择与激活预制波束一致的波束作为上报信道质量信息的波束。本公开实施例保证了终端的解调性能，进而提升了网络容量。
Patent WO-2020181588-A1 (WO)
Inventor: OUYANG MIN
IPC: G05B19/418
Filed: 2019-03-28
Abstract: 本公开提出了一种家电设备状态播报方法、装置及设备，其中，方法包括：接收播报指令，其中，播报指令是根据预设的播报配置信息和家电设备的状态变化信息生成的；根据播报指令播放相应的家电状态。由此，实现了通过空调等设备播报家电设备的状态，使用户可以及时了解家电设备的状态并进行处理，提升用户体验。
Patent WO-2020177175-A1 (WO)
Inventor: KHAN SEHROON
IPC: C12R1/645
Filed: 2019-04-02
Abstract: Provided are a fungal strain A. flavus G10 for degrading polyurethane plastic and a culture method therefor. The microorganism has a deposit number of GDMCC 60537. A culture method for the microorganism, comprising: isolating a fungal strain from the intestinal tract of crickets; cultivating the fungal strain in a liquid culture medium by using PU as a unique carbon source to obtain a culture solution; diluting the culture solution and spreading same on solidified nutrient agar medium containing tetracycline antibiotics and potato dextrose agar medium to obtain culture growths; and sub-culturing the culture growths at 30°C on fresh plates until a single fungal strain is obtained on each plate.
Patent WO-2020062831-A1 (WO)
Inventor: WU JUN
IPC: F16H1/28
Filed: 2019-04-09
Abstract: Periphery synchronously cooperating drive assembly for parallel twin-screw gearbox, comprising two output gear shafts and a first input gear shaft (3) or a second input gear shaft (4) which are opposite and parallel to each other. Each output gear shaft is provided with an auxiliary drive gear shaft set; each auxiliary drive gear shaft is provided with an inner and outer gear rings; two output gear shafts are simultaneously inserted in the inner and outer gear rings of two different shafts, and each output gear shaft is correspondingly located at the center of one of the inner and outer gear rings, so that the force applied onto the output gear shafts is reduced and balanced, the structure of the distributor box is compact, and the service life of the output gear shafts and the gearbox is guaranteed.
Patent WO-2020215397-A1 (WO)
Inventor: CHEN SHAOJUN
IPC: C08F267/06
Filed: 2019-05-14
Abstract: The present invention provides a shape memory material, which is formed by copolymerizing a light cured resin, a double bond containing hard monomer, and a double bond containing soft monomer of which the mass ratio is 10-100:0-45:0-45. The shape memory material in the present invention not only has a good newly packaged memory material, but also has good replasticity. Moreover, according to the present invention, the proportion of the hard monomer to the soft monomer is adjusted so that the glass transition temperature and the replasticity temperature thereof fall within appropriate temperature ranges. Good replasticity makes it possible to prepare this material into more complex shape, which reduces the definition of a die on the material. Both the glass transition temperature and the replasticity temperature of the material fall within appropriate ranges so that the applicability of this material is strong.
Patent WO-2020232646-A1 (WO)
Inventor: WANG WEIHUA
IPC: H01R39/64
Filed: 2019-05-21
Abstract: Embodiments of the present application provide a rotary conductive device, comprising a first base body, a second base body, a conductive structure provided between the first base body and the second base body, and a rotary driving member used for driving the first base body and the second base body to generate relative rotation, wherein the conductive structure comprises a conductive ring and a conductive spring which are in mutual elastic abutment; one of the conductive ring and the conductive spring is arranged on the second base body, the other is arranged on the first base body; the first base body and the second base body are in relative rotation connection by means of a ball bearing; the first base body and a first ring body of the ball bearing are in relative fixed connection; the second base body and a second ring body of the ball bearing are in relative fixed connection; an output shaft of the rotary driving member is fixed to the first base body; and a main housing of the rotary driving member is fixed to the second base body. According to the embodiments, the conductive ring and the conductive spring are set for continuous conduction of a circuit, the rotary driving member cooperates with the ball bearing to drive the second base body to rotate with respect to the first base body, thereby guaranteeing smoothness of rotation of the conductive ring and the conductive spring.
Patent WO-2020151140-A1 (WO)
Title: Electret capacitor microphone with small noise coefficient and manufacturing method thereof
Inventor: ZHENG HUMING
IPC: H04R19/01
Filed: 2019-05-24
Abstract: The present invention relates to an electret capacitor microphone with a small noise coefficient and a manufacturing method thereof, comprising a housing and an electret type variable capacitor mounted in the housing, and an ASIC amplifier, wherein the ASIC amplifier is mounted on a PCB board, and the PCB board is provided with an output end; the electret type variable capacitor is electrically connected to the ASIC amplifier, and the ASIC amplifier is electrically connected to the output end of the PCB board; the manufacturing method comprises the following steps: preparation steps: preparing the housing, the electret type variable capacitor, and the ASIC amplifier, and the ASIC amplifier is bonded onto the PCB board by using a COB process; assembly steps: firstly, assembling the electret type variable capacitor into the housing, then assembling the ASIC amplifier together with the PCB board into the housing, and forming an electrical connection between the ASIC amplifier and the electret type variable capacitor; the noise coefficient is effectively reduced, the normal transmission of the effective sound is ensured, in particular, the stability and reliability of the ASIC amplifier during use are ensured. Moreover, the process flow is simple, the process efficiency is high, and the processing cost is low.
Patent WO-2020001251-A1 (WO)
Inventor: LI QINGQUAN
IPC: G01B21/32
Filed: 2019-06-06
Abstract: Disclosed by the present invention are a method and system for monitoring the internal deformation of a faced rock-fill dam, the method comprising: burying a flexible pressure-resisting pipeline in a dam to be monitored in advance, and placing a monitoring device; controlling the monitoring device to move back and forth along a central axis of the flexible pressure-resisting pipeline, conducting a three-dimensional curve measurement, and sending measurement data to a processing terminal; and the processing terminal calculating three-dimensional curves, registering and comparing the three-dimensional curves at different periods so as to obtain correspondences of the flexible pressure-resisting pipeline at the same measuring point during the different periods, and calculating horizontal displacement, vertical cave-in and face deflection. Compared to a traditional method of burying a point-type measurement instrument, only the monitoring device needs to be placed during measurement according to the present invention, which avoids the problem of maintenance for already-buried measurement instruments in existing technology. Costs are reduced, and the present invention may simultaneously monitor the horizontal displacement, vertical cave-in and face deflection of the faced rock-fill dam, while the monitoring efficiency and monitoring precision are improved.
Patent WO-2020042753-A1 (WO)
Title: 季节性腐蚀与疲劳耦合作用下钢筋混凝土桥梁寿命预测方法
Inventor: MA YAFEI
IPC: G01N17/00
Filed: 2019-07-02
Abstract: 一种季节性腐蚀与疲劳耦合作用下钢筋混凝土桥梁寿命预测方法，将钢筋混凝土桥梁的寿命分为三个阶段：锈蚀初始-纯疲劳裂纹发展阶段、锈坑与疲劳裂纹竞争发展阶段、结构失效阶段；基于Fick第二扩散定律并考虑混凝土锈胀开裂损伤的影响，建立钢筋锈蚀初始和锈坑增长模型；试验模拟四季环境影响下钢筋裂纹扩展规律，确定疲劳裂纹增长表征参数；构建考虑应力集中影响的应力强度因子模型，提出与四季环境相对应的钢筋腐蚀疲劳裂纹增长分析方法；明确结构失效准则，结合车辆荷载观测信息，系统考虑锈坑增长与疲劳裂纹增长的竞争耦合关系，实时判别失效模式，实现桥梁寿命预测。该方法可为服役混凝土桥梁的安全性评定提供技术支持。
Patent WO-2020015558-A1 (WO)
Title: Method and apparatus for processing image
Inventor: LIU YAOYONG
IPC: H04N5/232
Filed: 2019-07-09
Abstract: It is provided a method for processing an image, which belongs to the field of computer applications. The method includes that: a preview image to be processed is acquired (102); scene information is identified (104) from the preview image; a composition mode corresponding to the scene information is determined (106); and the preview image is composed (108) according to the composition mode. An apparatus for processing an image is also provided.
Patent WO-2020015644-A1 (WO)
Title: A magneto-caloric thermal diode assembly with a rotating heat exchanger
Inventor: SCHROEDER MICHAEL GOODMAN
IPC: F25B21/00
Filed: 2019-07-16
Abstract: A magneto-caloric thermal diode assembly includes a magneto-caloric cylinder. A plurality of thermal stages is stacked along an axial direction between a cold side and a hot side. A heat exchanger includes a cylindrical stator positioned at and in thermal communication with the cold side or the hot side of the plurality of thermal stages. A cylindrical rotor is spaced from the cylindrical stator by a cylindrical gap. The cylindrical rotor is configured to rotate relative to the cylindrical stator about a rotation axis. A shearing liquid zone is defined between a surface of the cylindrical stator that faces the cylindrical gap and a surface of the cylindrical rotor that faces the cylindrical gap when the cylindrical gap is filled with a liquid.
Patent WO-2020248336-A1 (WO)
Inventor: HU XIAOBO
IPC: G01S7/481
Filed: 2019-07-22
Abstract: 一种多线激光雷达，包括：发射板，集成有多个发射器，用于发射多束激光光束；旋转棱镜，包括相互平行的顶面和底面以及多个反射镜面，多个反射镜面与顶面、底面围成空心轴，且每个反射镜面与顶面的夹角都不相同；电机，设置在旋转棱镜的空心轴中，用于驱动旋转棱镜转动；其中，多个发射器分布在垂直方向的一个平面内，多束激光光束通过旋转棱镜转动能够实现垂直方向激光光束的数量扩展以及实现水平方向的视场扫描。
Patent WO-2021012216-A1 (WO)
Title: 共享式电池包、台车、供电系统以及便携式超声系统
Inventor: HE XUJIN
IPC: A61B8/00
Filed: 2019-07-24
Abstract: 一种用于便携式超声设备（2000）的共享式电池包（100）、台车（200）、供电系统（1000）以及便携式超声系统。其中，台车（200）可连接便携式超声设备（2000）和/或共享式电池包（100），用以提供电力续航，或者也可以仅用来支撑便携式超声设备（2000）和/或共享式电池包（100），不提供电力续航。在特殊情况下，可将共享式电池（100）包从台车（200）上取下，与便携式超声设备（2000）固定连接成一体，作为便携式超声设备（2000）的外置电池使用。该设计使得便携式超声设备（2000）不再依赖台车（200）来增加续航，特殊情况下可简化到只需一个共享电池包（100）即可，使用更便利、更易用。
Patent WO-2020191967-A1 (WO)
Inventor: WANG SHANZHONG
IPC: G01N21/95
Filed: 2019-07-25
Abstract: A detection method for smooth surface defects and a detection device therefor. The detection method for smooth surface defects comprises performing bright-field and partial-dark-field irradiation on the surface of an element to be detected. When a bright field is irradiated, a camera is used to obtain a bright-field image of the surface of the element to be detected. When a partial dark field is irradiated, the camera is used to obtain an image of a dark field part of the surface of the element to be detected, and a dark-field image of the entire surface of the element to be detected is obtained by means of rotating the element to be detected. Then, spots on the bright-field image or the dark-field image are defects on the surface of the element to be detected. The level of the defects is obtained by means of measuring the size of the spots. The described detection method is suitable for the detection of spherical, aspherical, transparent and non-transparent smooth surface defects, and has good adaptability. The detection device has a simple structure, low pixel requirements for the camera, is low cost, and has high detection accuracy. Furthermore, the detection of upper and lower surfaces of the element to be detected may also be simultaneously achieved, and the detection efficiency is high.
Patent WO-2020119133-A1 (WO)
Inventor: YAN CHANGJIANG
IPC: H01F41/02
Filed: 2019-07-26
Abstract: 本发明涉及一种R-T-B永磁材料，所述R-T-B永磁材料为R xT yTm qB z；其中，13≤x≤15.5，0.5≤q≤3，0.85≤z≤1，y＝100-x-q-z；其中，R为LR aHR 1-a，LR为Pr、Nd、PrNd中的一种或几种的组合，HR为Dy、Tb中的一种或两种的组合，0.95≤a≤1；其中，T为Fe、Co中的一种或两种的组合；其中，Tm为过渡金属。还涉及一种R-T-B永磁材料的制备方法。其优点在于，利用磁控溅射装置在合金片上镀重稀土膜，不需要采用长时间的扩散热处理，获得"核-壳"结构大幅度提高磁体的矫顽力；与传统工艺相比，在重稀土含量相同的情况下，矫顽力与磁能积更高。
Patent WO-2020034884-A1 (WO)
Inventor: ZHANG XIAOLIANG
IPC: B23B47/28
Filed: 2019-08-07
Abstract: 一种快接三通组件及钻孔专用钻模组件，快接三通安装时，首先将快接三通钻模安装在要增加支管的管子上，钻模套管与钻模用螺纹连接，便于更换，套管采用硬度较大的金属材质，钻模的套管的限位作用，保证了扩孔器在扩孔过程中位置不跑偏，保证了扩孔的质量；更换钻模的套管尺寸，可以满足不同钻模所钻的孔的大小的要求。扩孔完成后，松开紧固螺栓，取下钻模，安装上快接三通本体，快接三通本体的加长部(42)，在安装快接三通时，保证了安装位置的准确性。快接三通垂直安装时，快接三通本体加长部（42）上的豁口(43)使沉积的液体流出，防止了流体长时间沉积管道最低点，影响管道的工作效能，避免腐蚀，延长了管道的使用寿命。
Patent WO-2020063258-A1 (WO)
Inventor: NIE ZHIWEN
IPC: C09K11/70
Filed: 2019-08-30
Abstract: Disclosed is a quantum dot, comprising a Group III-V quantum dot core and at least one of a halide ion, an acetylacetonate ion, and a hydroxide ion bonded on the surface of the Group III-V quantum dot core, wherein the halide ion, acetylacetonate ion, and hydroxide ion are bonded to Group III cations on the surface of the Group III-V quantum dot core. The quantum dot has the characteristics of a narrow peak width and a high luminous efficiency.
Patent WO-2020098339-A1 (WO)
Inventor: WANG MIN
IPC: H02K1/27
Filed: 2019-09-02
Abstract: 一种电机转子结构，包括：转子铁芯（100），沿圆周方向设有多个径向槽（110），相邻两个径向槽（110）之间设有第一隔磁槽（120）；每个径向槽（110）中均安装有两种矫顽力大小不同的永磁体，两种矫顽力大小不同的永磁体沿转子铁芯（100）的径向分布，且两种矫顽力大小不同的永磁体均沿转子铁芯（100）的切向充磁，两种矫顽力不同的永磁体之间设有第二隔磁槽（130）；两种矫顽力大小不同的永磁体的磁化方向相反时，转子铁芯（100）处于多磁极状态，两种矫顽力大小不同的永磁体的磁化方向相同时，转子铁芯（100）处于少磁极状态。该电机转子结构，能够依据电机运行工况调整内部磁场，使转子铁芯（100）分为多磁极状态和少磁极状态，增大电机高效区，扩大电机运行范围。
Patent WO-2021031263-A1 (WO)
Inventor: WANG KEYOU
IPC: G06F17/10
Filed: 2019-09-17
Abstract: 一种适用于微电网实时仿真的混合电磁暂态仿真方法，其最大特点在于将传统的节点分析法(NAM)和高度并行化的延迟插入法(LIM)相结合，为此首先将微电网从分布式发电系统的滤波器处进行分割，分别形成一个包含配电线路的延迟插入(LIM)网络和多个包含分布式发电系统的节点分析(NAM)网络，NAM网络采用传统节点分析法仿真，LIM网络采用延迟插入法仿真，在其初始化阶段根据微电网线路拓扑和参数形成LIM网络仿真所用到的一个关联矩阵和四个含线路参数的对角矩阵，在仿真主体循环中，LIM网络可以和多个NAM网络同时求解，提高了微电网仿真的并行度，此外，LIM网络仿真求解过程中主要采用对角矩阵乘法进行计算，避免了节点分析法求解大型网络方程时的计算负担，提升了仿真效率。
Patent WO-2020140543-A1 (WO)
Inventor: CHNE MINMIN
IPC: H04R7/12
Filed: 2019-10-12
Abstract: Le présent modèle d'utilité concerne un haut-parleur, comprenant un saladier, et un système de circuit magnétique et un système de vibration qui sont disposés à l'intérieur du saladier. Le système de vibration comprend une bague pliée fixée sur le saladier, un dôme fixé au centre de la bague pliée, et une bobine mobile reliée au dôme. Le dôme comprend une surface interne proche du système de circuit magnétique, et des rainures formées en retrait à partir de la surface interne dans une direction opposée au système de circuit magnétique. La bobine mobile est reliée de manière fixe à la surface interne, et des canaux de fuite sont formés entre les rainures et la bobine mobile. Par rapport à l'état de la technique associé, le haut-parleur fourni par le présent modèle d'utilité est capable de favoriser la circulation de flux d'air dans la bobine mobile, ce qui permet d'améliorer les performances du haut-parleur.
Patent WO-2020119273-A1 (WO)
Inventor: ZOU DANGBING
IPC: B60L9/00
Filed: 2019-10-24
Abstract: 一种列车及其多流制的列车变流系统，包括：变压模块，当接收不同的交流电时，向整流器输出相同电压大小的交流电；当接收到直流电时，向电感模块输出直流电；电感模块，用于当变压模块接收第k交流电时，将自身第一端与第二端之间导通，并且控制自身第一端与自身第二端之间的等效电感为对应于第k交流电的预设的等效电感，当变压模块接收直流电时，将该直流电输入至整流器；目标开关管；第一电容；后级电路；目标开关单元；整流器，用于在变压模块接收不同的直流电时，按照相应的规则控制自身的开关器件的通断，以使提供至后级电路的电压大小保持一致。应用本申请的方案，支持至少4种电网电压制式。
Patent WO-2020199573-A1 (WO)
Title: 摄像透镜组
Inventor: DAI FUJIAN
IPC: G02B9/64
Filed: 2019-10-30
Abstract: 一种摄像透镜组，其沿着光轴由物侧至像侧依序包括：具有光焦度的第一透镜（E1）、第二透镜（E2）、第三透镜（E3）、第四透镜（E4）、第五透镜（E5）、第六透镜（E6）、第七透镜（E7）和第八透镜（E8）。其中，第一透镜（E1）、第四透镜（E4）、第六透镜（E6）和第七透镜（E7）具有正光焦度；第八透镜（E8）具有负光焦度；摄像透镜组的总有效焦距f与摄像透镜组的最大半视场角Semi-FOV满足f×tan(Semi-FOV)＞6.0mm；以及摄像透镜组的总有效焦距f与第七透镜的有效焦距f7满足0.4＜f/f7＜1.2。