baber/WOPTO huggingface dataset:
Patent WO-2021208134-A1 (WO)
Title: One-way adjustable large-torque rotary variable damper
Inventor: GE JIANMING
IPC: F16F7/06
Filed: 2020-04-24
Abstract: Disclosed is a one-way adjustable large-torque rotary variable damper. A lead screw (8) is arranged in a housing (1) in a penetrating manner, a one-way bearing assembly (4) is arranged on the part of the lead screw (8) located in a left chamber in a sleeved manner, a friction plate (5) is fixedly installed on the right side face of a friction end cover (2), an abrasion plate (15) is fixedly installed on the left side face of the one-way bearing assembly (4), a distance is reserved between the friction plate (5) and the abrasion plate (15), the part of the lead screw (8) between the friction end cover (2) and the one-way bearing assembly (4) is sleeved with an auxiliary pressure spring (7), the part of the lead screw (8) located in a right chamber is provided with a nut (10) matching the lead screw in a threaded manner, the part of the lead screw (8) between the one-way bearing assembly (4) and the nut (10) is sleeved with a main pressure spring (6), and the nut (10) is provided with a protruding block (29) matching a long sliding groove (19) and moving in the long sliding groove (19). The rotating lead screw can perform multiple circles of rotation, and when the rotating lead screw finally rotates several circles, one-way variable damping is provided, such that the rotating speed of the rotating lead screw is gradually reduced, the final rotating speed is reduced to 0, the speed reduction process of the rotating lead screw is more stable, large-torque output can be provided, the total number of circles of rotation can be finely adjusted, and the occupied space is smaller.
Patent WO-2021128688-A1 (WO)
Title: 一种压力泵及压力泵控制系统
Inventor: LIU HUI
IPC: A61M5/172
Filed: 2020-04-30
Abstract: 一种压力泵（100）及压力泵（100）控制系统，压力泵（100）包括泵头（110）、排液管路、驱动机构及截止阀（120）。截止阀（120）包括阀体（121）及阀芯（122）；阀体（121）具备与泵头（110）的出液口连接的第一端及与排液管路连接的第二端，阀芯（122）可转动地与阀体（121）连接。截止阀（120）与驱动机构可拆卸地连接，驱动机构配置成带动阀芯（122）相对于阀体（121）转动，以使得压力泵（100）具备出液口与排液管路导通的状态，以及出液口与排液管路阻断的状态。压力泵（100）能够在压力泵（100）停止工作时，对出液口进行截止，以避免液体继续外流。
Patent WO-2021227039-A1 (WO)
Title: Method for isolating narrowband interference and communication apparatus
Inventor: ZHAO YANBO
IPC: H04L27/26
Filed: 2020-05-15
Abstract: The present application provides a method for isolating narrowband interference and a communication apparatus. With regard to point-to-multipoint topology characteristics in an Ethernet, a master communication device can send interference parameters or filter coefficients to a plurality of slave communication devices simultaneously by using the interaction capability specific to Ethernet operation, administration and maintenance (OAM) frames; and the plurality of slave communication devices adjust, according to the received information, the coefficients of the corresponding filter at the respective receiving ends, so as to filter out specific interference signals. In this way, there is no need for the plurality of slave communication devices to repeatedly perform interference estimation, thereby saving the storage power and computing power of the slave communication devices.
Patent WO-2021232290-A1 (WO)
Title: Antenna testing circuit and vehicle-mounted device
Inventor: HAN WANG
IPC: H01Q1/50
Filed: 2020-05-20
Abstract: An antenna testing circuit (30) and a vehicle-mounted device, wherein by adding a sampling circuit (100), a control circuit (200) and a switch circuit (300), the antenna testing circuit (30) implements the voltage acquisition of a power source (10) of an antenna (20), the comparison of the voltage of the power source (10) of the antenna (20) with at least one preset voltage threshold, and the control of the connection between the power source (10) and the antenna (20) according to the comparison result. That is, by setting the preset voltage threshold as a short-circuit voltage and an open-circuit voltage, the control circuit (200) can recognize the operating state of the antenna (20) by determining whether the voltage of the power source (10) of the antenna (20) is a fault voltage such as the short-circuit voltage and the open-circuit voltage, so as to automatically control whether the power source (10) is connected to the antenna (20), thereby reducing labor cost and time cost. Moreover, damage to the power source (10) caused by the power source (10) continuing to supply power to the antenna (20) when a fault such as a short circuit occurs in the antenna (20) is avoided, and the problem that power source (10) are damaged or even burnt down due to the fault in the antenna (20) in conventional power supply circuits for the antenna (20) is solved.
Patent WO-2020249004-A1 (WO)
Inventor: WEN HONGQUAN
IPC: B22D11/22
Filed: 2020-06-10
Abstract: Disclosed in the present invention are an electromagnetic stirring device and method for a secondary cooling zone during slab continuous casting. The device comprises an electromagnetic stirring device main body, an opening adjustment assembly and a secondary cooling assembly. The stirring device main body comprises a protection housing (3), a phase sequence control assembly, an iron core (4) and an electromagnetic coil (5), and carries out variable-direction electromagnetic stirring on molten steel by means of three-phase current phase sequence transformation; the opening adjustment assembly comprises an air cylinder (7), a fixed base (8), a movable joint shaft (12) and a silicon steel sheet group insert (13), and adjusts, on a line, the opening degree of the closed annular iron core by means of a movable joint structure; and the secondary cooling assembly comprises a cooling water inlet (9) and a cooling water nozzle (10), and cooling water cools the electromagnetic coil and the iron core in a soaking manner and is sprayed to a surface of a cast slab (1) through the cooling water nozzle for secondary cooling. According to the present invention, magnetic field leakage or loss is small, the electromagnetic stirring efficiency is high, the opening degree of a stirrer can be adjusted on a line, the stirring direction is alternately changed, and the internal quality and performance of the cast slab are improved.
Patent WO-2021208232-A1 (WO)
Title: Nano silver-copper alloy material and preparation method therefor
Inventor: CAO WEN
IPC: D04H1/728
Filed: 2020-06-20
Abstract: Disclosed are a nano silver-copper alloy material and a preparation method therefor. The nano silver-copper alloy material is composed of a mixture of nano silver-copper alloy particles with a particle size of 15-50 nm, and the copper metal atoms at the outer surface of the alloy material are formed into a copper oxide. In the preparation method, when a gaseous alloy is cooled at room temperature after being cooled by a supersonic inert gas flow, only the copper metal atoms exposed on the outer surface will be oxidized, and the silver metal atom will not be oxidized, and therefore, the alloy material has a better conductive performance, and furthermore, the particle size of the nano-alloy particles is small, the number of metal atoms exposed on the surface is great, and the bactericidal ability and the virucidal ability thereof are strong; and in the preparation method, by entering the inert gas flow carrying the alloy particles into a filter layer for gas-solid separation and collection, the inert gas flow passes through the filter layer via a filter hole, and the alloy particles are trapped by the filter layer, such that the discharge of the nano-alloy particles with the inert gas is effectively reduced, the waste of resources is avoided, and costs are saved on.
Patent WO-2021008615-A1 (WO)
Inventor: ZHANG ZIYUE
IPC: H04M1/725
Filed: 2020-07-17
Abstract: The embodiment of the present application provides an interaction method and device based on a folding screen, relating to the technical field of electronics. The interaction method and device based on the folding screen can trigger a specific operation or function in a more comfortable and more natural manner when a user holds the screen, thereby improving the user experience. The specific scheme comprises: if an electronic device meets preset conditions, a preset operation is performed. The preset conditions includes: within a preset period of time, a touch operation by the user on the electronic device is detected, and a change of the included angle between a first subscreen and a second subscreen is detected by means of a sensor. Both the preset operation and the touch operation are associated with the change of the included angle. The embodiment of the present application is applied to interactions based on folding screen.
Patent WO-2021017950-A1 (WO)
Title: Ultrasonic processing method and apparatus, electronic device and computer-readable medium
Inventor: YAN FENGGUI
IPC: G01S7/536
Filed: 2020-07-21
Abstract: An ultrasonic processing method and apparatus, an electronic device and a computer-readable medium, which relate to the technical field of mobile terminals. The method comprises: sending an ultrasonic signal by means of an ultrasonic transmitting apparatus, and receiving by means of an ultrasonic receiving apparatus an ultrasonic signal returned after the ultrasonic signal encounters an object (S301); acquiring the ultrasonic signal received by the ultrasonic receiving apparatus to obtain first amplitude-frequency data of the ultrasonic signal (S302); mapping the first amplitude-frequency data to second amplitude-frequency data according to the parameters of an ultrasonic analysis model (S303); using the second amplitude-frequency data as an input of the ultrasonic analysis model so as to obtain the motion state of an electronic device (S304); and controlling the electronic device to perform a corresponding operation according to the motion state (S305). Therefore, the electronic device uniformly uses the ultrasonic analysis model and the mapped second amplitude-frequency data to determine the motion state of the electronic device, which may reduce the difference in ultrasonic analysis effects of different devices.
Patent WO-2022027184-A1 (WO)
Title: Folding container and combination thereof
Inventor: LIU SHENG-YU
IPC: B65D33/00
Filed: 2020-08-03
Abstract: A folding container (10) comprises a bottom plate (11), a first ring (12), a second ring (13), a spring (14), a coating layer (15), and at least two fastening portions (16). The first ring (12) is disposed at the periphery of the bottom plate (11). The aperture of the second ring (13) is smaller than the aperture of the first ring (12). Two ends of the spring (14) are respectively connected to the first ring (12) and the second ring (13), so that a distance is maintained between the first ring (12) and the second ring (13). When the spring (14) is compressed, the second ring (13) moves and is accommodated in the inner edge of the first ring (12). The coating layer (15) covers the bottom plate (11), the first ring (12), the second ring (13) and the spring (14) to form a storage cavity (20). The at least two fastening portions (16) are symmetrically arranged on the outer side of the first ring (12), and when the second ring (13) moves to the inner side of the first ring (12), the second ring (13) is fastened and fixed.
Patent WO-2021036853-A1 (WO)
Title: Image processing method and electronic apparatus
Inventor: Chen Yukuai
IPC: G06T5/00
Filed: 2020-08-17
Abstract: The present invention relates to the technical field of information processing. Disclosed are an image processing method and an electronic apparatus capable of performing targeted skin beautification on a face image and providing users with better photographing experience or image beautification experience. The method of the present invention employs artificial intelligence to perform, by means of, for example, a neural network, multi-dimensional analysis of a first image containing a face image. Such analysis comprises recognition of photographic background information of the first image, and brightness information and makeup information of the face. The invention can combine specific background information of an image containing a face image, the actual brightness distribution of the face and the actual makeup information of the face to perform targeted skin beautification on the face image, such that the appearance of the face of a person in the image is improved, thereby improving user experience.
Patent WO-2021114723-A1 (WO)
Inventor: HU YUSHENG
IPC: H02K1/12
Filed: 2020-08-25
Abstract: Disclosed are a single-phase permanent magnet synchronous electric motor, and a dust collector. The single-phase permanent magnet synchronous electric motor comprises multiple types of stator teeth. The multiple types of stator teeth at least comprise a first type of stator teeth (10), and a second type of stator teeth (20), wherein the first type of stator teeth (10) and the second type of stator teeth (20) enclose to form an annular working cavity for containing a rotor portion (30); the angle of a central angle corresponding to a first contour line of end surfaces, facing the rotor portion (30), of the first type of stator teeth (10) is different from the angle of a central angle corresponding to a second contour line of end surfaces, facing the rotor portion (30), of the second type of stator teeth (20). Compared with a common single-phase permanent magnet electric motor, the cogging torque of the present electric motor is greatly reduced, the torque ripple is greatly reduced, and the output torque of the electric motor is also significantly improved. The single-phase permanent magnet synchronous electric motor is small in size, is light in weight, is simple in terms of structure, can be conveniently manufactured on a large scale and has low manufacturing costs.
Patent WO-2021109671-A1 (WO)
Inventor: HU YONGJUN
IPC: G06F40/30
Filed: 2020-09-15
Abstract: A fine-granularity sentiment analysis method that supports cross-language transfer, the method comprising the following steps: performing random sampling on e-commerce review text and performing manual annotation on the sampled text to obtain a topic sentiment annotation data set of the text; inputting the annotation data set into a semantic-long and short-term memory network for training to obtain a semantic group of the text; training the obtained semantic group and the sampled text together by means of an aspect-based sentiment model to obtain topic features of the text; training the annotation data set and the topic features by means of a fine-tuning network to obtain an embedding vector of the sampled text; and performing feature fusion on the embedding vector and the topic features to obtain a sentiment classification result of the text. The described method takes into account the asymmetry of polarity distribution, aspect sparsity and uneven distribution of sentiment words in product reviews, improves the accuracy of sentiment analysis, and may be widely used in the field of text data mining.
Patent WO-2022056765-A1 (WO)
Title: Method and apparatus for managing robot path
Inventor: MAO YICHAO
IPC: B25J9/16
Filed: 2020-09-17
Abstract: Embodiments of the present disclosure provide methods, apparatuses, systems and computer readable media for managing a path of a robot system(100), The robot system (100) comprises at least one arm (110, 120, 130), and an arm (110) in the at least one arms (110, 120, 130) has a joint (114) for rotating the arm (110). In the method (300), a real path (160) of a tip of the robot system (100) is obtained during directing a movement of the tip to follow an ideal path (150) (310). A path deviation (230) is identifyed between the real path (160) and the ideal path (150) (320). A transmission error (240) of the joint (114) is determined based on the path deviation (230) and kinematic data associated with the movement and a plurality of rotations of the joint (114) respectively at a plurality of time points (210) during the movement (330). Further, embodiments of present disclosure provide apparatuses, systems, and computer readable media for managing a robot path. With these embodiments, the transmission error may be detected in an accurate and effective way.
Patent WO-2022067463-A1 (WO)
Title: Power failure detection method and apparatus for unmanned aerial vehicle, and unmanned aerial vehicle
Inventor: JIA XIANGHUA
IPC: G01R31/34
Filed: 2020-09-29
Abstract: A power failure detection method for an unmanned aerial vehicle, comprising: acquiring rotation speeds or electrical parameters of multiple driving motors when an unmanned aerial vehicle is in a hovering state; determining, according to the rotation speeds or the electrical parameters of the multiple driving motors, whether installation anomaly has occurred in any of the multiple driving motors or whether any of multiple propellers has broken; and if it is determined that installation anomaly has occurred in any of the multiple driving motors or any of the multiple propellers has broken, executing a first safety response operation. In the invention, acquiring operating parameters of multiple driving motors when an unmanned aerial vehicle is in a hovering state, and determining, on the basis of the operating parameters of the multiple driving motors, whether installation anomaly has occurred in any of the multiple driving motors or whether any of multiple propellers has broken realize timely discovery of installation anomaly in a motor or breakage of a propeller, thereby preventing safety risks.
Patent WO-2022032837-A1 (WO)
Inventor: DU XUAN
IPC: B05D3/06
Filed: 2020-10-09
Abstract: L'invention concerne un appareil de durcissement d'adhésif d'ombrage, comprenant au moins une buse. La buse sert à revêtir un substrat au moyen d'un adhésif d'ombrage. L'appareil de durcissement d'adhésif selon l'invention comprend également au moins un premier tube de lampe et au moins un deuxième tube de lampe disposé adjacent à ladite buse. Le premier tube de lampe sert à émettre des premiers rayons lumineux pour pré-durcir ledit adhésif d'ombrage. Le deuxième tube de lampe sert à émettre des deuxièmes rayons lumineux pour durcir en profondeur ledit adhésif d'ombrage. La longueur d'onde des premiers rayons lumineux est de 360 à 385 nm. La longueur d'onde des deuxièmes rayons lumineux est de 385 à 410 nm.
Patent WO-2022082594-A1 (WO)
Title: Broadcast and multicast service reception by idle and inactive wireless devices
Inventor: XU FANGLI
IPC: H04W72/04
Filed: 2020-10-22
Abstract: This disclosure relates to techniques for providing broadcast and multicast services to wireless devices while in Idle and Inactive modes a wireless communication system. A wireless device may establish a wireless link with a cellular base station of a cellular network. The wireless device may receive information indicating whether provision of a broadcast or multicast service in one or more of an inactive mode or an idle mode is supported by the cellular network. The wireless device may receive the broadcast or multicast service in one or more of the inactive mode or the idle mode based at least in part on the information indicating whether provision of the broadcast or multicast service in one or more of the inactive mode or the idle mode is supported by the cellular network.
Patent WO-2021103884-A1 (WO)
Inventor: YANG ZONGXIAN
IPC: D05B35/06
Filed: 2020-10-26
Abstract: 一种拉纤条装置，包括横板（1），横板（1）上表面一端设有限位框架（11），其另一端底面设有第一支撑架（4），并通过第一螺丝（41）与横板（1）相互固定连接，第一支撑架（4）上表面另一端设有第二支撑架（3），并通过第二螺丝（31）与第一支撑架（4）相互固定连接，第二支撑架（3）上表面另一端，位于横板（1）正上方设有限位板（2），并通过第三螺丝（21）与第二支撑架（3）相互固定连接，限位板（2）另一端与横板（1）之间通过限位扣（12）相互连接；所述拉纤条装置在途经横板（1）时，通过限位板（2）对布料进行高度限位，然后再由限位框架（11）对布料进行两侧限位，防止布料发生偏移现象，达到了提高作业效率、节约作业时间、保证产品质量的有益效果。
Patent WO-2021164299-A1 (WO)
Title: Image segmentation method, system, and device, and readable storage medium
Inventor: WANG LI
IPC: G06T7/11
Filed: 2020-10-27
Abstract: Disclosed are an image segmentation method, comprising: obtaining an original image set; performing feature extraction on the original image set by using a backbone network to obtain a feature map set; performing channel extraction fusion processing on the feature map set by using a channel extraction fusion model to obtain an enhanced feature map set; and segmenting the enhanced feature map set by using a preset convolutional neural network to obtain an image segmentation result. According to the present application, an enhanced feature map set is obtained by performing channel extraction fusion processing on a feature map set by using a channel extraction fusion model, so that the obtained enhanced feature map set has more obvious features; moreover, the number of input channels is reduced, and the segmentation precision is improved while the calculation amount in the image segmentation process is reduced. In addition, the present application also provides an image segmentation system and device, and a readable storage medium, which have the beneficial effects above.
Patent WO-2021253715-A1 (WO)
Title: Method and device for determining double-click action on earphones, and earphones
Inventor: ZHANG FANGFANG
IPC: H04R29/00
Filed: 2020-11-07
Abstract: A method and device for determining a double-click action on earphones, earphones and a computer readable storage medium. The method comprises: when a touch action occurs, obtaining a touch data sequence acquired by a touch sensor disposed in the earphones and an accelerometer data sequence acquired by an accelerometer disposed in the earphones in a current time window (2100); and when it is determined that data greater than 0 exists in the touch data sequence, determining whether the touch action is a double-click action on the basis of the accelerometer data sequence (2200). According to the method, a touch data sequence acquired by a touch sensor and an accelerometer data sequence acquired by an accelerometer sensor can be combined to effectively identify a double-click action of a user at a boundary position of an identification area, and the identification accuracy is improved.
Patent WO-2022099435-A1 (WO)
Inventor: LIU HAOYUAN
IPC: A01K61/80
Filed: 2020-11-10
Abstract: 本发明属于水产养殖设备技术领域，尤其是一种水产养殖用水面浮动投料机，针对现有的投料机使用不方便，饲料在投料机内堆积容易结块堆积，不便于投放，而且无法控制下料，容易造成不同区域投料的量差别过大，影响投料效率的问题，现提出如下方案，其包括箱体，所述箱体的两侧均固定安装有侧板，两个侧板上均固定安装有浮板，两个浮板上均转动安装有驱动板，两个驱动板上均开设有安装槽，两个安装槽内均转动安装有扇叶，两个安装槽内均固定安装有第一驱动电机，第一驱动电机的输出轴与扇叶固定连接。本发明使用方便，并且在投料时可以有效的防止饲料的结块堆积，同时还可以控制下料量，从而有效的提高了投料的效率。
Patent WO-2022099620-A1 (WO)
Inventor: LI XINGHE
IPC: G06K9/00
Filed: 2020-11-13
Abstract: L'invention porte sur un procédé et sur un appareil de segmentation de nuage de points tridimensionnel, ainsi que sur une plate-forme mobile, ledit procédé et ledit appareil étant utilisés pour effectuer une segmentation de nuage de points sur un nuage de points tridimensionnel collecté par une plate-forme mobile. Ledit procédé consiste : à acquérir une pluralité de points candidats dans le nuage de points tridimensionnel (301) ; à rechercher la pluralité de points candidats sur un plan de disparité en v pour déterminer des points candidats cibles, situés sur une surface de route d'entraînement de la plate-forme mobile, parmi la pluralité de points candidats (302) ; et à obtenir, par ajustement, un modèle de la surface de route d'entraînement sur la base des points candidats cibles, et sur le plan de disparité en u, à effectuer une seconde segmentation de nuage de points sur le nuage de points tridimensionnel sur la base du modèle de la surface de route d'entraînement de sorte à obtenir un résultat de segmentation de nuage de points (303).