baber/WOPTO huggingface dataset:
Patent WO-2021017697-A1 (WO)
Inventor: ZHANG XUEJI
IPC: H04M19/00
Filed: 2020-06-24
Abstract: Provided in the embodiments of the present invention are a local side device, a power supply system and an electric shock protection method and apparatus, ensuring safe power supply to a remote device, and preventing the occurrence of an electric shock accident. A local side device may comprise: a power source, a first switch connected to the power source in series, a first control circuit coupled to the first switch, and a sampling circuit coupled to the first control circuit, wherein the power source is used for providing a first voltage for a remote device connected to the power source insofar as the first switch is turned on; the sampling circuit is used for performing, within a target period T, sampling M times on a first current of the remote device under the first voltage, and feeding back M sampling results to the first control circuit; and the first control circuit is used for controlling, according to the M sampling results, whether the first switch is turned off. According to the present application, the power supply safety problem in a high-voltage direct current remote power supply process to the remote device is solved, and the occurrence of an electric shock accident is effectively avoided.
Patent WO-2021004402-A1 (WO)
Inventor: LIU GEN
IPC: G06K9/34
Filed: 2020-07-03
Abstract: 本申请公开了一种图像识别方法及装置、存储介质和处理器。其中，该图像识别方法包括：获取待识别的目标图像；获取所述目标图像中的目标区域，其中，该目标区域中的图像用于反映指定类型参数信息；确定所述目标区域中被选定的像素点坐标；基于指定类型参数的取值与像素点坐标的关联关系确定所述被选定的像素点坐标所对应的参数取值。
Patent WO-2022011537-A1 (WO)
Title: Electric power tool
Inventor: LIU LICHUN
IPC: B25B23/00
Filed: 2020-07-14
Abstract: Disclosed is an electric power tool, belonging to the field of handheld electric power tools. The electric power tool comprises a tool body (1). The tool body is provided with a first grip (9) and a second grip (3); the second grip comprises a connector (31) and a handle (32); and one end of the connector is fixedly connected to the tool body, and the other end of the connector is in threaded connection with the handle. The tool body is further provided with a limiting member (2) and a lighting structure (6). The tool body is detachably connected to a tool head, and has the technical effects of being stable when held and convenient to use.
Patent WO-2021017814-A1 (WO)
Title: Negative electrode active material, preparation method therefor, secondary battery and battery module, battery pack and device associated therewith
Inventor: LIANG CHENGDU
IPC: H01M4/48
Filed: 2020-07-14
Abstract: Disclosed are a negative electrode active material, a preparation method therefor, a secondary battery and a battery module, a battery pack and a device associated therewith. The negative electrode active material comprises a core material and a polymer-modified coating layer coating at least a portion of the outer surface of the core material, wherein the core material comprises one or more of silicon-based materials and tin-based materials, and the coating layer contains carbon element and nitrogen element, with the mass proportion of the nitrogen element in the negative electrode active material being 0.1%-0.66%, and the coating layer comprising a -C=N- bond.
Patent WO-2021008563-A1 (WO)
Inventor: KANEHIRA MINORU
IPC: D01F1/10
Filed: 2020-07-15
Abstract: A transparent heat-shielding particulate, a particulate dispersoid, and a preparation method and use thereof. The particulate comprises a core and a shell enclosing the core. The core is made of a transparent heat-shielding material obtained by doping, with nitrogen, a tungsten bronze structure expressed in a chemical formula of M  x WO  3- 
 δ , where M is any one of an alkali metal element, an alkaline earth metal element and a rare earth element, 0.1 ≤ x ≤1, W is tungsten, O is oxygen, 0 ≤ δ ≤ 0.5, the shell is carbon, and the thickness of the shell is 1 nm-10 nm.
Patent WO-2021189725-A1 (WO)
Inventor: ZHOU SHUNXING
IPC: E03D1/34
Filed: 2020-07-17
Abstract: Disclosed is an effort-saving flap-type drain valve, comprising a base provided with a drain opening, a flap sealedly covering the drain opening, a starting element connected to the flap, and a connecting rod rotatably connected at either end to the base and the flap. When the flap is sealedly covering the drain opening, the starting element is driven, the starting element is capable of driving the flap to rotate relative to the connecting rod, and is capable of simultaneously driving the flap to rotate around a first rotation fulcrum provided at where the flap contacts the base so as to preliminarily open the drain opening; and when the drain opening is preliminarily opened, the starting element is capable of driving the flap and the connecting rod to rotate together around a second rotation fulcrum provided at where the connecting rod is rotatably connected to the base so as to further open the drain opening. Disclosed is an effort-saving flap-type drain valve, comprising a base provided with a drain opening, a flap sealedly covering the drain opening, a starting element connected to the flap, and a connecting rod rotatably connected at either end to the base and the flap. When the flap is sealedly covering the drain opening, the starting element is driven, the starting element is capable of driving the flap to rotate relative to the connecting rod, and is capable of simultaneously driving the flap to rotate around a first rotation fulcrum provided at where the flap contacts the base so as to preliminarily open the drain opening; and when the drain opening is preliminarily opened, the starting element is capable of driving the flap and the connecting rod to rotate together around a second rotation fulcrum provided at where the connecting rod is rotatably connected to the base so as to further open the drain opening.
Patent WO-2021017901-A1 (WO)
Title: Screen display method and electronic device
Inventor: XU JIE
IPC: G06F3/14
Filed: 2020-07-17
Abstract: Provided in the present application are a screen display method and an electronic device. The method is applied to an electronic device configured with a primary screen and a secondary screen, wherein the primary screen and the secondary screen are configured on different sides of the electronic device, and the primary screen is a foldable display screen. The method comprises: an electronic device displaying, on a primary screen, an operation interface of a first application, wherein the primary screen is in an unfolded state; and when the primary screen is converted from the unfolded state to a semi-folded state, the electronic device displaying, on a secondary screen, a second application.
Patent WO-2021052062-A1 (WO)
Title: Conversion circuit, front-end circuit, sub-module, direct current converter, and control method
Inventor: YANG CHEN
IPC: H02M7/5387
Filed: 2020-08-11
Abstract: A conversion circuit, a front-end circuit, a sub-module, a direct current converter, and a control method. The conversion circuit comprises a front-end circuit and at least one multi-level bridge arm (1103). The front-end circuit comprises a series capacitor branch (1101) and a clamp module (1102). The series capacitor branch (1101) comprises M switched capacitor modules (11011-1101M), M being a natural number greater than or equal to 2. The switched capacitor modules (11011-1101M) comprise a capacitor and a first turn-off device. The first turn-off device is connected in series with the capacitor. By means of the on or off of the first turn-off device, the on and off of the charge/discharge loop of the capacitor is controlled. One end of each switched capacitor module except the first switched capacitor module is connected to the clamp module (1102). The number of levels of the multi-level bridge arm (1103) is M+1. The multi-level bridge arm (1103) comprises 2M series-connected full-control switching devices including an anti-parallel diode, and one terminal is led out from the negative electrode of each full-control switching device except the Mth and 2Mth full-control switching devices for connection to the clamp module (1102).
Patent WO-2021043198-A1 (WO)
Title: Bluetooth pairing method, and related device
Inventor: ZHU YUHONG
IPC: H04W48/00
Filed: 2020-09-03
Abstract: The present application discloses a Bluetooth pairing method, pertaining to the technical field of short-range wireless communications. The method comprises: upon a terminal receiving a first operation of a user, the terminal sending to a Bluetooth apparatus a query request used to acquire a Bluetooth address of the Bluetooth apparatus; upon receiving the query request, the Bluetooth apparatus sending to the terminal a query response comprising the Bluetooth address of the Bluetooth apparatus; the Bluetooth apparatus sending to the terminal an extended query response comprising an apparatus name of the Bluetooth apparatus; and upon receiving the extended query response, the terminal displaying the apparatus name of the Bluetooth apparatus. In this way, the invention enables terminals to quickly display an apparatus name of a Bluetooth apparatus, thereby saving time wasted by the terminal in searching for a Bluetooth apparatus for pairing.
Patent WO-2021052277-A1 (WO)
Title: Recombinant human neuregulin derivatives and use thereof
Inventor: ZHOU MINGDONG
IPC: A61K38/17
Filed: 2020-09-14
Abstract: Disclosed is a use of recombinant human neuregulin derivatives in preparing a medicine for preventing, treating, or reducing the progression of cardiovascular diseases in mammals. In particular, the present invention relates to a novel recombinant human NRG-FC protein and a use thereof in the treatment of cardiovascular diseases. The protein has a prolonged half-life and enhanced biological activity.
Patent WO-2022052131-A1 (WO)
Title: Procédé et appareil de communication
Inventor: YU YAWEI
IPC: H04L27/32
Filed: 2020-09-14
Abstract: La présente application fournit un procédé et un appareil de communication. Ledit procédé comprend les étapes suivantes : un dispositif terminal reçoit une valeur d'indice MCS envoyée par un dispositif de réseau, et détermine, à partir d'une table d'indices MCS, un procédé de modulation et un débit de code cible correspondant à la valeur d'indice MCS, le débit de code cible maximal dans la table d'indices MCS correspondant à un procédé de modulation π/2BPSK étant supérieur à un premier seuil, de sorte que, lors de l'utilisation du procédé de modulation π/2BPSK pour une transmission en liaison montante du dispositif terminal, une efficacité de spectre supérieure puisse être obtenue, ce qui permet d'améliorer les performances de liaison montante.
Patent WO-2022041361-A1 (WO)
Inventor: LI JINHUI
IPC: C08K3/04
Filed: 2020-09-22
Abstract: 本文公开了一种聚酰亚胺复合材料及其制备方法和应用，所述聚酰亚胺复合材料包括聚酰亚胺基体以及分布在所述聚酰亚胺基体中的氟化碳材料；所述氟化碳材料包括平面尺寸≤10μm的氟化石墨烯、直径≤100nm的氟化纳米炭黑或直径≤10nm的氟化石墨烯量子点中的任意一种或至少两种组合。
Patent WO-2022077195-A1 (WO)
Title: Electromechanical braking method and electromechanical braking device
Inventor: ZHANG HAIYANG
IPC: B60T8/58
Filed: 2020-10-13
Abstract: An electromechanical braking method and an electromechanical braking device, which are suitable for intelligent vehicles, new energy vehicles or traditional vehicles and the like. The method comprises: acquiring state information of a first control unit, the state information being used for indicating whether the first control unit is working normally, and the first control unit being used for performing brake control on a vehicle; and when the state information indicates that the first control unit cannot work normally, using a second control unit to perform brake control on the vehicle. Multiple control units are used to achieve electromechanical brake control; therefore, when one control unit thereamong fails, the other control units may be used to continue control, which achieves redundant braking, thereby effectively improving the brake control effect, and improving the safety of vehicle control.
Patent WO-2021103851-A1 (WO)
Title: 信号调制电路
Inventor: WEI XIAOKANG
IPC: H03M3/00
Filed: 2020-10-19
Abstract: 本发明揭示了一种信号调制电路，所述信号调制电路包括：预放大单元，用于对提取的输入信号进行放大；二级全差分OTA单元，包括第一级全差分OTA单元及第二级全差分OTA单元，用于对输入信号进行处理后输出模拟信号；量化比较单元，用于对二级全差分OTA单元输出的模拟信号进行量化比较；反馈补偿单元，用于根据量化比较单元输出的比较结果对二级全差分OTA单元进行补偿；时序控制单元，用于对预放大单元、二级全差分OTA单元、量化比较单元及反馈补偿单元进行时序控制。本发明可适用于小信号的有效提取和量化转出，二级OTA的设计能够实现比较小的谐波失真和比较好的线性稳定性，具有较佳的抗干扰性能和感应灵敏度。
Patent WO-2021043328-A1 (WO)
Title: Magnetometer calibration data acquisition method and device, and aircraft
Inventor: LI YINGJIE
IPC: G01C17/38
Filed: 2020-10-21
Abstract: A magnetometer calibration data acquisition method and device, and an aerial vehicle. The magnetometer calibration data acquisition method is applied to the aerial vehicle. The method comprises: obtaining an attitude parameter of an aerial vehicle, the attitude parameter representing the current attitude of a body of the aerial vehicle (S101); determining, according to the attitude parameter, whether the current attitude of the body is a preset attitude (S102); if yes, controlling, according to a sampling instruction and acceleration of the aerial vehicle, a magnetometer to perform data acquisition so as to obtain multiple groups of magnetic data (S103), wherein the sampling instruction is an instruction sent by a terminal device in communication connection with the aircraft so as to enable the magnetometer to perform data acquisition; calculating whether the number of the obtained groups of magnetic data exceeds a preset group number threshold (S104); and if yes, outputting the multiple groups of magnetic data (S105).
Patent WO-2022000891-A1 (WO)
Inventor: ZHANG JIAN
IPC: B01J19/18
Filed: 2020-10-29
Abstract: Disclosed are a hydrate evaluation experiment system and a method therefor. The evaluation experiment system comprises a first gas cylinder (1), a second gas cylinder (2), a flow control device, a flow controller (12), a magnetic stirring vessel (63), a chemical reagent injection device, and a closed loop, wherein the first gas cylinder (1) is used for storing CH 4  or a natural-gas mixed gas; a gas outlet of the first gas cylinder (1) is connected to the magnetic stirring vessel (63) via the flow controller (12); the second gas cylinder (2) is used for storing CO 2  gas; a gas outlet of the second gas cylinder (2) is connected to the magnetic stirring vessel (63) via the flow control device; a chemical reagent injection port is provided on the magnetic stirring vessel (63), and the chemical reagent injection port is connected to an outlet of the chemical reagent injection device; and the closed loop is respectively connected to the first gas cylinder (1), the second gas cylinder (2) and the chemical reagent injection device by means of a twentieth valve (42). According to the invention, hydrate formation can be simulated, and the influence on the hydrate formation and decomposition rules is also analyzed, facilitating the conduction of further detailed analysis and research, thereby guiding production.
Patent WO-2021103921-A1 (WO)
Title: 数据的加解密方法、装置、系统及存储介质
Inventor: CHEN LIN
IPC: H04L9/08
Filed: 2020-10-29
Abstract: 本申请提供了一种数据的加解密方法、装置、系统及存储介质，涉及数据处理技术领域。该数据的加密方法，包括：生成并向解密装置发送临时密钥；接收解密装置发送的第一密钥密文，第一密钥密文为解密装置利用临时密钥对第一密钥加密的密文；利用临时密钥对第一密钥密文解密，得到第一密钥，利用第一密钥对第二密钥、待加密数据和第一签名加密，得到目标密文，第一签名为根据第三密钥得到的进行混淆运算后的第二密钥和待加密数据的签名；获取第四密钥，根据第四密钥，得到目标密文的第二签名；生成包括目标密文和第二签名的加密文件。根据本申请实施例，能够提高数据保护的安全性。
Patent WO-2021093653-A1 (WO)
Title: Security method, apparatus and system easy to access by user
Inventor: LIU ZHILONG
IPC: H04L29/06
Filed: 2020-11-04
Abstract: Disclosed are a security method, apparatus and system easy to access by a user. The method comprises: receiving a request of obtaining a surveillance video, sent by a video display device; obtaining, according to the request of obtaining a surveillance video, a surveillance video and an access protocol format requested by the video display device; comparing a provided protocol format of the surveillance video with the access protocol format to determine whether the formats adapt; and if the formats do not adapt, converting the surveillance video in the provided protocol format into a surveillance video in the access protocol format, and sending the surveillance video in the access protocol format to the video display device.
Patent WO-2021093692-A1 (WO)
Title: Network quality measurement method and device, server, and computer readable medium
Inventor: TU JIQIANG
IPC: H04L12/26
Filed: 2020-11-07
Abstract: Embodiments of the present application provides a network quality measurement method, comprising: determining a suspected path of a service flow for measurement according to a preset static routing database; sending a subscription command to a network element device on the suspected path; receiving data sent from the network element device in response to the subscription command; determining a real path of the service flow according to the data, the static routing database, and the suspected path; and measuring the network quality on the real path according to the data and a preset index threshold. The embodiments of the present application also provide a network quality measurement device, a server, and a computer readable medium.
Patent WO-2022068010-A1 (WO)
Title: Sound production device
Inventor: ZHANG LONG
IPC: H04R7/16
Filed: 2020-11-18
Abstract: The present utility model provides a sound production device, comprising a housing and a sound production unit. The sound production unit comprises a vibrating diaphragm for vibrating to produce sound; the housing comprises a base and a rear housing respectively covering two opposite sides of the sound production unit in the vibration direction of the vibrating diaphragm; the base is provided with a sound production opening passing therethrough; the side, provided with the vibrating diaphragm, of the sound production unit faces the sound production opening; the base comprises a base plate provided with the sound production opening, a side wall bent and extended from the periphery of the base plate to a direction close to the rear housing, and an extension wall bent and extended from the side of the side wall away from the base plate; the base plate and the sidewall jointly define an accommodating cavity, and the sound production unit is accommodated in the accommodating cavity; the sound production device further comprises a fixing plate which at least partially covers the side of the sound production unit away from the vibrating diaphragm and fixes the sound production unit; the fixing plate comprises a fixing portion fixing the sound production unit, and a connecting portion formed by extending opposite ends of the fixing portion and fixed to the extension wall. Compared with the related art, the sound production device of the present utility model has good reliability.
Patent WO-2021129294-A1 (WO)
Inventor: WU WENCHAO
IPC: G06F113/08
Filed: 2020-11-26
Abstract: L'invention concerne une structure et un procédé d'analyse de performance pour un manchon d'aération à ressort. Le procédé consiste à sélectionner une section d'admission d'air d'un manchon d'aération à ressort en tant qu'objet de recherche, à modéliser une zone, à travers laquelle un fluide s'écoule, à l'aide d'un logiciel CFX dans une dynamique de fluide de calcul, à définir des paramètres de propriété physique pour un milieu de zone d'écoulement, et à définir des conditions de limite d'une zone d'écoulement en fonction de situations réelles; à simuler et à rechercher l'influence du changement d'angle de conicité et de paramètres de structure de déplacement de ressort d'une partie d'extrémité supérieure d'une tige de soupape de la section d'admission d'air du manchon d'aération à ressort sur des paramètres d'écoulement de fluide de la section d'admission d'air du manchon d'aération à ressort; à sélectionner un acier à ressort commun en tant qu'élément de référence pour un matériau brut à ressort en spirale, et à sélectionner en outre deux types de matériaux à ressort, et à effectuer une analyse au moyen de la combinaison d'une simulation numérique à éléments finis et de calculs théoriques classiques; et à obtenir des courbes S-N des trois types de matériaux élastiques au moyen de calculs théoriques, et sur la base des courbes, à effectuer une analyse statique et une simulation de durée de vie sur un ressort cylindrique en spirale. La présente invention présente une importance industrielle pratique pour la durée de vie d'un manchon d'aération à ressort dans des conditions de travail réelles, et la fiabilité de conception peut être améliorée, le coût de production peut être réduit, et une période de conception peut être raccourcie.
Patent WO-2021104380-A1 (WO)
Title: 数据存储方法、装置及存储系统
Inventor: YE MIN
IPC: G06F3/06
Filed: 2020-11-26
Abstract: 一种数据存储方法、装置及存储系统，其中，该方法包括：在获取到待存储数据时，确定待存储数据的数据类型(S410)；基于SMR磁盘中的各个存储区中已存储的数据的数据类型，确定与待存储数据的数据类型相同的目标存储区(S420)；在目标存储区中确定待写入待存储数据的目标存储块(S430)；基于目标存储块的标识，生成待存储数据的主索引信息以及备索引信息(S440)；基于待存储数据以及目标存储块的标识，生成待存储数据的数据库索引信息(S450)；将待存储数据的备索引信息和待存储数据写入目标存储块，将待存储数据的主索引信息写入CMR区域或非SMR磁盘，并将待存储数据的数据库索引信息写入非SMR磁盘(S460)。从而可以提高SMR磁盘的存储资源利用率。
Patent WO-2021184823-A1 (WO)
Title: Reference comparison circuit
Inventor: LIU HAIBO
IPC: G05F3/26
Filed: 2020-11-27
Abstract: A reference comparison circuit, comprising a voltage detection module (1), a comparison module (2) connected to the voltage detection module (1), and an output module (3) connected to the comparison module (2), wherein the voltage detection module (1) comprises a voltage divider resistor, and the voltage detection module (1) is used to provide a first voltage related to an input voltage and a second voltage generated by the voltage divider resistor; the comparison module (2) comprises a current conversion module (2a) and a current mirror module (2b) connected to the current conversion module (2a), wherein the current conversion module (2a) is used to convert the second voltage into a corresponding first current and second current, and the comparison module (2) is used to compare the first current mirrored by the current mirror module (2b) to the second current, and output a voltage according to the comparison result; and the output module (3) is used to output a corresponding level value according to the output voltage. The present solution may omit a comparator circuit which occupies a larger chip area, and reduce the layout area.
Patent WO-2021218151-A1 (WO)
Inventor: HUANG CHUNLIN
IPC: C03C10/00
Filed: 2020-12-01
Abstract: A production method for a microcrystalline anti-slip ceramic tile. The production method comprises the following steps: (1) formulating a microcrystalline anti-slip glaze material to form a base glaze ingredient; (2) pre-ball-milling the base glaze ingredient to form a semi-finished glaze slurry; (3) adding a microcrystalline nucleus material and ball-milling same again to obtain a microcrystalline anti-slip glaze slurry; (4) firstly spraying a layer of base glaze onto a substrate, and then spraying a layer of the anti-slip glaze slurry onto the surface of the base glaze layer; and (5) firing the surface under specific temperature conditions to form a microcrystalline anti-slip layer, thereby obtaining a microcrystalline anti-slip ceramic tile. The product produced solves effectively the problem of people falling due to the ground becoming wet and slippery, and achieves the perfect combination of anti-slip functions and a soft surface texture, having high practical value.
Patent WO-2022110362-A1 (WO)
Inventor: YAN XUDONG
IPC: H04R7/02
Filed: 2020-12-16
Abstract: 一种发声装置(100)，包括支架(1)以及固接于所述支架(1)的振动系统(2)和磁路系统(3)，所述振动系统(2)包括第一振膜(21)、与所述第一振膜(21)相对设置的第二振膜(22)、驱动所述第一振膜(21)的第一音圈(23)和驱动所述第二振膜(22)的第二音圈(24)，所述磁路系统(3)包括铁芯(31)、套设于所述铁芯(31)的磁体组件(32)以及套设于所述磁体组件(32)的磁框(33)，所述第一音圈(23)设置于所述磁框(33)与所述磁体组件(32)之间，所述第二音圈(24)设置于所述磁体组件(32)和所述铁芯(31)之间。使得在同一磁框(33)空间范围内具有两套磁路结构，分别驱动第一振膜(21)和第二振膜(22)朝向不用方向振动发声，在节省空间的同时也使磁路系统(3)的利用效率提高，从而提高发声装置(100)的发声性能。