baber/WOPTO huggingface dataset:
Patent WO-2021082415-A1 (WO)
Inventor: MA JUNFENG
IPC: H03F1/56
Filed: 2020-05-26
Abstract: Disclosed are an impedance matching circuit and method. The circuit is applied to a power source circuit of an envelope tracking radio frequency power amplifier. An envelope tracking power source is connected to the radio frequency power amplifier through a first matching circuit, and the optimal efficiency load impedance of the envelope tracking power source matches the conjugate impedance of the optimal efficiency load impedance of the radio frequency power amplifier, such that the envelope tracking radio frequency power amplifier obtains the optimal efficiency.
Patent WO-2021208195-A1 (WO)
Title: Methods for forming three-dimensional memory devices
Inventor: WU LINCHUN
IPC: H01L27/11582
Filed: 2020-05-27
Abstract: 3D memory devices and forming methods thereof are disclosed. A stop layer (203,205), a first polysilicon layer (207), a sacrificial layer (209,211,213), a second polysilicon layer (215), and a dielectric stack (208) are sequentially formed at a first side of a substrate (202). A channel structure (214) extending vertically through the dielectric stack (208), the second polysilicon layer (215), the sacrificial layer (209,211,213), and the first polysilicon layer (207), stopping at the stop layer (203,205), is formed. An opening (224) extending vertically through the dielectric stack (208) and the second polysilicon layer (215), stopping at the sacrificial layer (209,211,213) to expose part of the sacrificial layer (209,211,213), is formed. The sacrificial layer (209,211,213) is replaced, through the opening (224), with a third polysilicon layer (230) between the first and second polysilicon layers (207,215). The substrate (202) is removed from a second side opposite to the first side of the substrate (202), stopping at the stop layer (203,205).
Patent WO-2020244447-A1 (WO)
Title: Fixing assembly and valve structure
Inventor: ZHANG FEI
IPC: F16K27/00
Filed: 2020-05-29
Abstract: A valve structure (100), comprising a main valve (10), a pilot valve (20), connecting pipes (30), and a fixing assembly (40). The fixing assembly (40) comprises a support (50) and a cover plate (60) connected to the support (50). The support (50) comprises a bottom plate (51) and side plates (52) connected to the bottom plate (51). Each side plate (52) comprises a supporting portion (55) connected to the bottom plate (51) and pin portions (56) connected to the supporting portion (55). Each pin portion (56) is provided with an open slot (57) and matching notches (58). Each open slot (57) extends to the supporting portion (55) from the end of the pin portion (56) away from the supporting portion (55). The matching notches (58) are correspondingly provided on both sides of each open slot (57). The cover plate (60) is provided with locking holes (65), and the pin portions (56) correspondingly penetrate the locking holes (65).
Patent WO-2021022939-A1 (WO)
Inventor: LIANG ZHONGYI
IPC: F16P1/06
Filed: 2020-06-29
Abstract: A protective cover for an electric welding machine, comprising a supporting base (11) used for placing an electric welding machine (9). Two sliding blocks (12) which are provided left and right are fixed on the lower bottom surface of the supporting base (11); each sliding block (12) is slidably connected to a corresponding sliding rail (13); the sliding rail (13) is fixed on a bottom plate (14); the left side and the right side of the bottom plate (14) are fixedly provided with a row of protective rods (15) which are linearly and uniformly distributed in the front and back directions; the upper parts of the two rows of protective rods (15) are connected to triangular eave-shaped protective plates (16); a plurality of side barrier bars (17) which are linearly and uniformly distributed in the upper and lower directions are fitted over each row of protective rods (15); the side barrier bars (17) can move on the protective rods (15) in a sliding mode up and down; and locking screws (18) are in threaded connection with the side barrier bars (17), and end portions of the locking screws (18) abut against one of the protective rods (15). The electric welding machine can be effectively prevented from being subjected to sunburn and rain by means of the protective plates and telescopic protective plates, the damage of other objects to the electric welding machine can be effectively blocked by means of the protective rods, the side barrier bars can be stacked together in a downward moving mode, the function of further protecting the electric welding machine is achieved, and the service life of the electric welding machine is prolonged.
Patent WO-2021031723-A1 (WO)
Title: Interface connection method, interface connection apparatus, storage medium, and device
Inventor: SUN GUOGUANG
IPC: H04W36/08
Filed: 2020-07-07
Abstract: The present invention relates to the technical field of communications. Disclosed are an interface connection method, an interface connection apparatus, a storage medium, and a device. The method of the invention comprises: a first base station, upon receiving an interface connection request sent by a second base station, obtaining a preset handover weight queue containing respective preset handover weights; determining, from the preset handover weights in the preset handover weight queue, a weight to be replaced; and disconnecting an interconnection interface corresponding to the weight to be replaced, and connecting to an interconnection interface between the first base station and the second base station.
Patent WO-2021017891-A1 (WO)
Title: Object tracking method and apparatus, storage medium, and electronic device
Inventor: HUANG XIANGQI
IPC: G06T7/73
Filed: 2020-07-17
Abstract: OBJECT TRACKING METHOD AND APPARATUS, STORAGE MEDIUM, AND ELECTRONIC DEVICE Said method comprises: acquiring at least one image acquired by at least one image acquisition device; acquiring, according to the at least one image, a first appearance feature of a target object and a first spatio-temporal feature of the target object; acquiring an appearance similarity and a spatio-temporal similarity between the target object and each global tracking object in a global tracking object queue which has been currently recorded; in the case where it is determined, according to the appearance similarity and the spatio-temporal similarity, that the target object matches a target global tracking object, assigning, to the target object, a target global identifier corresponding to the target global tracking object; using the target global identifier to determine multiple associated images acquired by multiple image acquisition devices associated with the target object; and generating, according to the multiple associated images, a tracking trajectory matching the target object.
Patent WO-2022016403-A1 (WO)
Title: Engine combustion system, gasoline engine for hybrid vehicle, and vehicle
Inventor: ZHANG GUIQIANG
IPC: F02F1/24
Filed: 2020-07-22
Abstract: An engine combustion system, comprising a combustion chamber (1) and a valve structure. The combustion chamber is provided with an air intake side gas extrusion structure (2), an exhaust side gas extrusion structure (3), a front end gas extrusion structure (4) and a rear end gas extrusion structure (5); and the air intake side gas extrusion structure, the front end gas extrusion structure and the rear end gas extrusion structure are all flat gas extrusion structures, and the exhaust side gas extrusion structure is an oblique gas extrusion structure. The engine combustion system is conducive to improving the in-cylinder tumble flow ratio and turbulence intensity. Also disclosed are a gasoline engine for a hybrid vehicle and a vehicle.
Patent WO-2021017994-A1 (WO)
Inventor: SHAO MENG
IPC: H04L29/06
Filed: 2020-07-23
Abstract: 本公开提供了一种网络电话VOIP的通话业务处理方法及装置；其中，该网络电话VOIP的通话业务处理方法包括：从VOIP通话业务中获取满足预设规则的会话初始协议SIP数据包；从所述SIP数据包中解析出会话描述协议SDP消息；向网络电视IPTV发送与所述SDP消息的媒体类型对应的数据。
Patent WO-2022020987-A1 (WO)
Inventor: WANG WEIYI
IPC: B25C1/04
Filed: 2020-07-27
Abstract: A hybrid-powered nail gun, comprising: a power part (2) and a drive part (3), wherein the power part is driven by the drive part; and the drive part comprises at least an air drive device and an electric drive device. The hybrid-powered nail gun can be used as a pneumatic nail gun when an air source can be connected to same, and the hybrid-powered nail gun can use an electrical power source to drive the power part to complete a nailing action when conditions do not allow or facilitate connection to an air source. The hybrid-powered nail gun can flexibly adapt to different working scenarios, and therefore, the working efficiency thereof is improved and the cost is reduced.
Patent WO-2021203583-A1 (WO)
Title: Dry low-nitrogen staged combustion system based on isolating n2 from the diffusion combustion flame surface
Inventor: XIAO JUNFENG
IPC: F23D14/20
Filed: 2020-07-27
Abstract: A dry low-nitrogen staged combustion system based on isolating N  2  from the diffusion combustion flame surface, comprising a combustion chamber (19) as well as a purge gas passage (18), a diffusion combustion fuel passage (14), a primary diffusion combustion isolation gas passage (17), a premixed combustion fuel passage (9), and a premixed combustion air passage (3) that are communicated with the combustion chamber (19) and arranged in sequence from the inside to the outside, wherein a premixing passage swirler (4) is disposed in the premixed combustion air passage (3), the premixed combustion fuel passage (9) is communicated with a premixing cavity (6) by means of the premixing passage swirler (4), the primary diffusion combustion isolation gas passage (17) is branched into two paths at the downstream of a premixed combustion fuel passage closing partition (10), one of the paths being a primary diffusion combustion isolation gas passage (15), and the other being a secondary diffusion combustion isolation gas passage (16) connected to the primary diffusion combustion isolation gas passage (15) by means of openings, and a diffusion combustion fuel swirler (13) is provided at the tail end of the diffusion combustion fuel passage (14). The system can isolate the N2 in the premixed combustion air from the diffusion combustion flame surface, reduce NOx emissions, and solve the problem of instability of lean-burn premixed combustion of existing gas turbines.
Patent WO-2022027419-A1 (WO)
Inventor: WANG HAIFENG
IPC: G01R33/565
Filed: 2020-08-06
Abstract: 本申请公开了一种磁共振成像方法、装置及计算机存储介质。所述方法包括：获取基于第一三维磁共振成像序列采集的目标对象的三维欠采样数据；其中，第一三维磁共振成像序列在相位方向具有第一正弦梯度场，在选层方向具有第二正弦梯度场，且第一正弦梯度场和第二正弦梯度场的0阶矩均为0，第一正弦梯度场与第二正弦梯度场的相位相差π/2；基于三维欠采样数据或目标对象的二维映射数据计算得到三维点扩散函数；基于目标对象的三维低分辨率全采样数据计算得到目标对象的灵敏度图；使用三维点扩散函数、灵敏度图对三维欠采样数据进行图像重建，得到重建磁共振图像。通过上述方式，本申请能够高速加倍扫描的同时避免重建磁共振图像中伪影的产生。
Patent WO-2021253593-A1 (WO)
Title: Downhole liquid co2 phase transition-powered multi-functional filling system and usage method
Inventor: HU XIANGMING
IPC: A62C3/02
Filed: 2020-08-10
Abstract: A downhole liquid CO 2  phase transition-powered multi-functional filling system, which belongs to the technical field of fire preventing and extinguishing for a coal mine. Said filling system comprises a power system, an injection system for filling a fire preventing and extinguishing material into a goaf, and a foam system, and the power system comprises a liquid CO 2  storage and transport tank (1) and a main pipeline connected thereto; the liquid CO 2  enters a material storage tank (3) through a first branch pipeline after being vaporized under the action of a vaporizer (8), and the pressurized material storage tank (3) has sufficient power and fills the fire preventing and extinguishing material into the goaf through a third pipeline; and when a foam gel-type fire preventing and extinguishing material needs to be filled, the pressurized material storage tank (3) is connected to a fourth pipeline, and then is combined with the foam system connected to a second branch pipeline, so that the foam gel-type fire preventing and extinguishing material is filled into the goaf by means of foams generated by a foam maker. Also disclosed is a method for using the downhole liquid CO 2  phase transition-powered multi-functional filling system. The filling system does not require a power device, allows for filling of different fire preventing and extinguishing materials, and has widespread applicability.
Patent WO-2021082636-A1 (WO)
Inventor: ZHANG CHENG
IPC: G06K9/00
Filed: 2020-08-14
Abstract: 一种关注区域检测方法、装置、计算机可读存储介质及终端设备，所述方法获取待检测的眼部图像(S101)；在所述眼部图像中进行眼部关键点检测，得到所述眼部图像中的各个眼部关键点的位置信息(S102)；根据所述眼部图像中的各个眼部关键点的位置信息计算视线特征值(S103)；根据所述视线特征值确定眼部关注区域(S104)。在本方法中，无需使用价格昂贵的精密仪器，而是通过对眼部图像的图像分析处理，根据眼部关键点的位置信息计算出视线特征值，并以此来确定眼部关注区域，极大降低了成本，可以进行更广泛的应用。
Patent WO-2021032198-A1 (WO)
Inventor: YANG SONG
IPC: G02F1/1335
Filed: 2020-08-21
Abstract: A color film substrate (100), a display panel and a display apparatus. The color film substrate (100), comprises: a photoluminescent layer (120) and an optical path adjustment layer (110). The photoluminescent layer (120) comprises multiple photoluminescent parts (120a). Each photoluminescent part (120a) is configured so as to be used to receive backlighting and emit excitation light. The optical path adjustment layer (110) is located at an incident light side of the photoluminescent layer (120). The optical path adjustment layer (110) is configured so as to increase an angle of incidence of at least some backlighting entering the photoluminescent layer (120).
Patent WO-2021253633-A1 (WO)
Title: Recognition method and terminal for batch of qr codes
Inventor: YOU GUANYI
IPC: G06K7/14
Filed: 2020-08-27
Abstract: The present invention relates to the technical field of QR codes, and in particular to an recognition method and terminal for a batch of QR codes. The method comprises: extracting all contour data from binarized image data, analyzing all the contour data to obtain an innermost contour corresponding to each piece of contour data, and respectively calculating to obtain centroid coordinates of each innermost contour; respectively calculating distances and angle relationships between the centroid coordinates of each innermost contour and the centroid coordinates of other innermost contours, and dividing the centroid coordinates having equal distances and angles into a same QR code area; and positioning QR codes according to the outermost contour corresponding to the centroid coordinates of the same QR code area. In an recognition process, segmentation and extraction of a plurality of QR codes in a single image are implemented mainly by using positioning point features of the QR codes, so that recognition of the batch of QR codes is implemented.
Patent WO-2022047697-A1 (WO)
Inventor: DING YU
IPC: H01M50/107
Filed: 2020-09-03
Abstract: The present application provides an electrochemical device and an electronic device. The electrochemical device comprises: a first electrochemical cell, comprising a first package housing, a first electrode assembly located in the first package housing, and a first electrolyte filled in the first package housing; and a second electrochemical cell connected in series to the first electrochemical cell, the second electrochemical cell comprising a second package housing located outside the first package housing and connected to the first package housing, a second electrode assembly located in the second package housing, and a second electrolyte filled in the second package housing, wherein the second electrochemical cell has a through hole, and the first electrochemical cell is located in the through hole.
Patent WO-2022041307-A1 (WO)
Inventor: PAN ZHIFANG
IPC: G06T7/11
Filed: 2020-09-04
Abstract: 一种构建半监督图像分割框架的方法，包括构建包括学生模型、教师模型和判别器的半监督图像分割框架（S1）；获取有标记的MRI图像和其对应的金标准，以计算出监督型分割损失；获取原始未标记的MRI图像和其与预设的高斯分布的噪声相结合后的噪声未标记MRI图像，以得到对应的学生分割概率结果图和教师分割概率结果图后各自覆盖在原始未标记的MRI图像上，生成学生分割区域和教师分割区域并一同传递给判别器进行相似度比较，以计算出一致性损失；根据监督型分割损失及一致性损失，得到总分割损失，并根据所述总分割损失，对半监督图像分割框架进行优化（S4）。实施该方法，通过改进均值教师模型来建立能够用于3D医学图像的通用半监督分割框架，并且无需额外的图像级的标记。
Patent WO-2021114778-A1 (WO)
Inventor: YAN TIANYI
IPC: A61N1/36
Filed: 2020-09-08
Abstract: A differential frequency electrical interference device, comprising a user interaction module, a signal generating module, an impedance detection module, and a signal output module connected in sequence; the user interaction module is used for conveying setting parameters of electrical interference signals to the signal generating module on the basis of received requirements inputted by a user; the signal generating module is used for producing multiple current signals of different frequencies on the basis of the received parameters and sending same to the signal output module; the impedance detection module is used for collecting the current signal of each pair of electrodes and calculating a real-time impedance value; and the signal output module is used for transmitting the multiple current signals to corresponding multiple pairs of electrodes by means of multiple output interfaces, so that intersection areas of the multiple current signals on a stimulated subject produce differential signals. The device has an impedance detection function, and can measure skin impedance in real time and monitor in real time whether program electrodes are loose or falling off; in addition, the present solution has high safety and strong applicability.
Patent WO-2021047618-A1 (WO)
Inventor: SONG YANG
IPC: H04W28/04
Filed: 2020-09-11
Abstract: Disclosed in the embodiments of the present application are a DCI scheduling method, device and system. The method comprises: receiving K pieces of DCI, the K pieces of DCI corresponding to at least one configuration identifier, and K being an integer greater than 1; receiving K PDSCH repetitions according to the K pieces of DCI, the K PDSCH repetitions satisfying a preset condition; and feeding back first HARQ-ACK information of the K PDSCH repetitions on a first physical uplink control channel (PUCCH). The preset condition comprises at least one of the following: HARQ process numbers are the same and an NDI is not toggled; and the K PDSCH repetitions satisfy a first time limit requirement and the K pieces of DCI satisfy a second time limit requirement.
Patent WO-2021057603-A1 (WO)
Inventor: QU DONGSHENG
IPC: B65G15/12
Filed: 2020-09-17
Abstract: A width adjustment device (100) for a rail mechanism (10). The rail mechanism (10) comprises a fixed rail (11) and a movable rail (12) parallel to each other. The width adjustment device (100) comprises: a base (20) suitable for disposing the fixed rail (11) thereon; a first guide rail (30) provided on the base (20) and suitable for disposing the movable rail (12) thereon, wherein the movable rail (12) can move toward or away from the fixed rail (11) in the axial direction of the first guide rail (30); a moving distance acquisition module (40) for acquiring a moving distance of the movable rail (12) from an initial position to an operating position; and a driving assembly (50) detachably connected to the movable rail (12), and used to drive the movable rail (12) to move, according to the moving distance, from the initial position to the operating position.
Patent WO-2021063277-A1 (WO)
Inventor: ZHANG LIANG
IPC: G06Q10/00
Filed: 2020-09-27
Abstract: A vehicle service management method and system, and a vehicle service digital detection system. The method comprises: receiving vehicle receiving information sent by a client server side, the vehicle receiving information comprising client information, vehicle information, and a detection item, and the client information, the vehicle information, and the detection item being associated with each other (101A); sending a vehicle detection task message to a vehicle maintenance side according to the vehicle receiving information, so that the vehicle maintenance side generates a detection record after receiving the vehicle detection task message, wherein the detection record comprises a detection result of the vehicle and on-site remark information (101B); receiving the detection record sent by the vehicle maintenance side, generating a vehicle detection report according to the detection record and the detection item, and a client confirming a vehicle maintenance item according to the vehicle detection report by means of the client server side (101C); and informing the vehicle maintenance side to execute a vehicle maintenance task according to the vehicle maintenance item. A digital management method is used in the vehicle maintenance process, thereby avoiding bad experience caused by human errors to users.
Patent WO-2022067720-A1 (WO)
Title: Ferroelectric memory and manufacturing method therefor, and storage device
Inventor: ZHANG YU
IPC: H01L27/11585
Filed: 2020-09-30
Abstract: The present application provides a ferroelectric memory and a manufacturing method therefor, and a storage device, relate to the field of memories, and can improve the durability of a ferroelectric memory. The ferroelectric memory is composed of at least one storage unit, the storage unit comprising: a columnar semiconductor channel portion, a source portion and a drain portion, wherein the source portion and the drain portion are respectively disposed at two ends of the semiconductor channel portion; and the storage unit further comprises a first dielectric layer and a first metal layer, which are sequentially disposed around a side face of the semiconductor channel portion, and a ferroelectric layer and a second metal layer, which are stacked on the surface of the first metal layer, the ferroelectric layer being located between the first metal layer and the second metal layer.
Patent WO-2022073179-A1 (WO)
Title: Procédé et dispositif de transmission de signal
Inventor: WANG YUXIN
IPC: H04L5/00
Filed: 2020-10-09
Abstract: L'invention concerne des systèmes et des procédés de transmission de signal. Un dispositif de communication sans fil peut recevoir des informations de commande de liaison descendante (DCI) du nœud de communication sans fil. Les DCI peuvent comprendre une pluralité de blocs, chacun d'eux ou plusieurs blocs de la pluralité de blocs étant destinés à un dispositif de communication sans fil respectif. Le dispositif de communication sans fil peut recevoir les DCI pour déclencher un signal de référence de sondage (SRS) apériodique. Le dispositif de communication sans fil peut recevoir une configuration du nœud de communication sans fil au moyen d'une signalisation de couche supérieure. Le dispositif de communication sans fil peut recevoir la configuration pour configurer un paramètre srs-TPC-PDCCH-Groupe tel que typeA, typeB, typeC ou typeD.
Patent WO-2021189838-A1 (WO)
Inventor: ZENG RONG
IPC: H01L29/36
Filed: 2020-10-27
Abstract: The present invention relates to the field of electric power semiconductor devices. Disclosed are a buffer region variable doping structure used for an overvoltage breakdown function, and a semiconductor device. The buffer region variable doping structure is provided in the semiconductor device, and when the semiconductor device withstands a breakdown voltage, the buffer region variable doping structure withstands an electric field generated by the semiconductor device, so that the electric field breaks down the buffer region variable doping structure. According to the present invention, an overvoltage controllable breakdown is implemented by using a local punch-through principle, and the advantages of good temperature stability, easy process implementation, good breakdown voltage consistency, and controllable punch-through point position are achieved.