baber/WOPTO huggingface dataset:
Patent WO-2020125034-A1 (WO)
Inventor: MA RUI
IPC: D05B53/00
Filed: 2019-08-15
Abstract: Disclosed is a thread conveying device for sewing, comprising an upper thread needle (4), an upper thread positioning mechanism and a bottom thread stirring needle (6), wherein a bottom thread hole for a bottom thread to pass through is formed in the bottom thread stirring needle (6), and the upper thread needle (4) is arranged in an ascending and descending manner; after descending, a lower end of the upper thread needle (4) penetrates through the upper thread positioning mechanism; the bottom thread stirring needle (6) is arranged on an upper side of the upper thread positioning mechanism; and a stirring needle driving mechanism for driving the bottom thread stirring needle (6) to swing around an axis of the upper thread needle (4) is connected to the bottom thread stirring needle. The bottom thread stirring needle (6) is used to drive the bottom thread to swing around the axis of the upper thread needle (4), the upper thread positioning mechanism is used to position the upper thread after the upper thread needle (4) descends, and the bottom thread stirring needle (6) is used to stir the upper thread, such that the bottom thread and the upper thread are wound and looped. A bottom thread bobbin is replaced, and the bottom thread only needs to pass through the bottom thread hole of the bottom thread stirring needle (6), such that the thread feeding time of the bottom thread can be greatly reduced, endless thread feeding of the bottom thread can be theoretically realized, the device is not limited by the size of the bobbin, and the working efficiency is improved.
Patent WO-2020063189-A1 (WO)
Inventor: CAI ZHAOQUAN
IPC: G06K9/62
Filed: 2019-08-19
Abstract: Disclosed by the present disclosure are a video target trajectory extraction method and device. Firstly, an estimated transparency value is recalculated by measuring the credibility of foreground and background pixel pairs to obtain a first transparency mask of a first image; secondly, a new image is generated by superimposing gray information to obtain a second transparency mask of the first image and further modify the first transparency mask of the first image; finally, the modified first transparency mask is used to extract foreground targets of a certain frame of image in a video, a specified target is retrieved from all foreground targets, and the trajectory of the specified target is generated based on all images including the specified target in accordance with the time sequence of all frames. The disclosure can comprehensively utilize the credibility and gray information of the foreground and background pixel pairs in a certain frame of image in the video, so as to provide a new video target trajectory extraction scheme.
Patent WO-2020052660-A1 (WO)
Inventor: WEI FUGUAN
IPC: F01M13/04
Filed: 2019-09-12
Abstract: 一种滤板式发动机油气分离装置，包括：设置在气缸盖罩（100）内安装槽（101）的滤孔式分离装置和初分离装置，安装槽（101）开设有用于接收曲轴箱中油气混合物的进气孔（102），安装槽（101）还设有用于将分离后的废气排出的排气孔（103），气缸盖罩（100）、滤孔式分离装置和初分离装置组合形成弯曲的油气通道；该滤板式发动机油气分离装置能够对油气混合物进行加速，分离的油滴通过回油腔流出，分离效率高，能满足国六发动机排放标准。
Patent WO-2020140499-A1 (WO)
Inventor: ZHAO XIAONAN
IPC: G02B13/18
Filed: 2019-09-27
Abstract: A camera optical lens (10). The camera optical lens (10), sequentially comprising from an object side to an image side: an aperture (S1), a first lens (L1) having a positive refractive power, a second lens (L2) having a negative refractive power, a third lens (L3) having the positive refractive power and a fourth lens (L4) having the negative refractive power, wherein the focal length of the fourth lens (L4) is f4, the radius of curvature of the first lens (L1) at the object side is R1, the radius of curvature of the first lens (L1) at the image side is R2, the radius of curvature of the second lens (L2) at the object side is R3, the radius of curvature of the second lens (L2) at the image side is R4, the radius of curvature of the fourth lens (L4) at the object side is R7, and the following relationships are satisfied: 62.00<R7/f4<70.00; 0.10<R1/R2<0.40; -0.50<R3/R4<-0.30. The camera optical lens (10) has good optical performance and satisfies large-aperture and ultra-thin design requirements.
Patent WO-2020078230-A1 (WO)
Title: Image block division method and device
Inventor: YU QUANHE
IPC: H04N19/176
Filed: 2019-10-09
Abstract: Provided are an image block division method and device. The image block division method comprises: acquiring an image block in an image to be processed, the image block being an object to undergo encoding processing; determining, according to lengths of a first side and a second side of the image block, a block division technique to be performed on the image block, the first side and the second side being two adjacent sides of the image block, wherein the first side is a horizontal line, and the second side is a vertical line; and dividing the image block according to the block division technique. The invention avoids unnecessary block division techniques, thereby reducing operation overheads, and enhancing image encoding efficiency.
Patent WO-2021081766-A1 (WO)
Inventor: XIAO JILIN
IPC: H02J50/10
Filed: 2019-10-29
Abstract: A holder control method and a holder (100), relating to the technical field of terminals. The holder control method is applied to the holder (100). The holder (100) comprises: a main housing (10); a transmitting coil (20) mounted in the main housing (10) and used for transmitting electromagnetic waves; a clamping device mounted on the main housing (10) and used for clamping and fixing a terminal on the main housing (10); a main control chip (30) mounted in the main housing (10), the main control chip (30) being separately connected to the transmitting coil (20) and the clamping device. The method comprises: the main control chip (30) detects, by controlling the transmitting coil (20) to transmit electromagnetic waves, whether the terminal needs to be clamped; if it is detected that the terminal needs to be clamped, the main control chip (30) controls the clamping device to clamp the terminal. Therefore, the terminal can be automatically clamped without manual operation, and the use is easy and convenient.
Patent WO-2020114152-A1 (WO)
Inventor: CAO YU
IPC: G06F16/36
Filed: 2019-10-29
Abstract: Provided is a method for displaying a brand knowledge graph. The method comprises: receiving a brand query request carrying a target brand; responding to the brand query request, and acquiring, from a picture database, a picture storage address, brand text information and brand relationship information which are prestored; acquiring, from a storage server indicated by the picture storage address, a target picture matching the target brand; using the target picture, the brand text information and the brand relationship information to generate a brand knowledge graph; and outputting the brand knowledge graph, wherein the target picture is displayed on a node of the brand knowledge graph. Further provided are an apparatus for displaying the brand knowledge graph, a picture server and a storage medium. The problem that the picture database does not support picture display is solved, and a picture can be more easily searched for and viewed on a brand knowledge graph.
Patent WO-2020088487-A1 (WO)
Inventor: NILSSON MAGNUS
IPC: H04L29/06
Filed: 2019-10-30
Abstract: A key localization system (100), method and computer program product for finding a vehicle key (5). The system comprises a key unit (10), a first communication unit (20a, 40), at least one second communication unit (20b, 20c, 20d,..., 20n), a processing circuitry (102a, 102b, 102c) operatively connected to the first communication unit (20a, 40) and configured to cause the key localization system (100) to send, via the first communication unit (20a, 40), a detect key signal (DKS) and receive, via the first communication unit (20a, 40), in response to that the key unit (10) has received the detect key signal (DKS), a found key signal (FKS) from at least one of the key unit (10) and the second communication unit (20b, 20c, 20d,..., 20n).
Patent WO-2020206993-A1 (WO)
Inventor: WU GUOYIN
IPC: B08B9/023
Filed: 2019-10-31
Abstract: The present invention relates to a sampling needle cleaning device and method for preventing fluid from remaining on a sampling needle. The cleaning device comprises a cleaning cylinder, a sampling needle, and a cleaning tube; the sampling needle can stretch into the cleaning cylinder in a vertical direction; the cleaning tube comprises a cleaning fluid outlet section which has the bottom end inclined towards the central axis of the cleaning cylinder and partially stretches into the cleaning cylinder; an inclined opening facing the cleaning tube is formed at the tip of the sampling needle; the distance between the high-end point and the low-end point of the inclined opening is 0.5 to 0.9 mm; the included angle between the inclined opening and the horizontal direction is 60º to 70º. The cleaning method comprises: opening a cleaning fluid; when the tip touches a cleaning fluid column, continuously moving the sampling needle downwards by a distance H of 2.5 to 3.5 mm and then stopping; and after cleaning, during the stroke of moving the sampling needle upwards to 5/6 H, enabling the speed to be 40 to 50 mm/s, during the stroke of moving the sampling needle upwards from 5/6 H to 7/6 H, enabling the speed to be 8 to 10 mm/s, and enabling the final moving speed to be 250 to 290 mm/s. Thus, fluid is prevented from remaining at the tip of the sampling needle.
Patent WO-2021092833-A1 (WO)
Inventor: WU JIE
IPC: A01G25/09
Filed: 2019-11-14
Abstract: An irrigation device for crop cultivation, comprising a water pipe (1). Movable sleeves (2) are symmetrically disposed at left and right ends of the water pipe (1), and a fixing device (9) is disposed at an upper end of each of the movable sleeves (2). Fixing foot blocks (3) are symmetrically disposed below the movable sleeves (2). A support leg (4) is provided under each of the fixing foot blocks (3), and a wheel (5) is disposed below the support leg (4). The irrigation device for crop cultivation is provided with the sleeves (2) having slide wheels (16) and guide blocks (14) therein, such that the width of the irrigation device can be adjusted according to the plant spacing of different crops, thus effectively solving the problem of irrigation devices crushing crops, and reducing losses. The fixing device (9) and a fixing slot (12) are provided to fix the irrigation device after the width adjustment has been completed. A hydraulic device (8) is provided on a cross brace (7), so as to adjust the height of the irrigation device according to the heights of different crops.
Patent WO-2021036019-A1 (WO)
Inventor: SUN YANMING
IPC: H01Q1/52
Filed: 2019-11-19
Abstract: Provided in embodiments of the present disclosure is a multi-frequency antenna array. Each row in the multi-frequency antenna array comprises a plurality of high-frequency radiation units and a plurality of low-frequency radiation units; axis spacing between two adjacent rows is D; for any row in the multi-frequency antenna array, the distance between the centers of two adjacent high-frequency radiation units is L; the distance between the centers of two adjacent low-frequency radiation units is n×L; any low-frequency radiation unit is located at the midpoint of a connection line between two adjacent high-frequency radiation units of the any low-frequency radiation unit; for any two adjacent rows in the multi-frequency antenna array, any high-frequency radiation unit in a first row is located on the central axis of a connection line between two adjacent high-frequency radiation units in a second row; and any low-frequency radiation unit in the first row is located on the central axis of a connection line between two adjacent low-frequency radiation units in the second row. The multi-frequency antenna array provided in the embodiments of the present disclosure may effectively reduce the coupling effect between frequencies and improve the performance index.
Patent WO-2020140649-A1 (WO)
Title: Procédé et appareil de gestion de contrat intelligent de chaîne de blocs, dispositif électronique et support de stockage
Inventor: FENG CHENGYONG
IPC: H04L29/08
Filed: 2019-11-26
Abstract: La présente invention relève du domaine technique des chaînes de blocs et des contrats intelligents et elle concerne un procédé et des appareils de gestion de contrat intelligent de chaîne de blocs, un dispositif électronique et un support de stockage lisible par ordinateur. Le procédé consiste à : recevoir une demande de conclusion d'un contrat intelligent et acquérir un type de service correspondant à un contrat intelligent sur la base de celle-ci ; en fonction du type de service, établir une condition de configuration de ressources de calcul et acquérir des informations de configuration de ressources de calcul correspondant à celle-ci dans le nœud de chaîne de blocs actuel ; déterminer si les informations de configuration de ressources de calcul satisfont la condition de configuration de ressources de calcul ; si tel est le cas, conclure et sauvegarder un contrat intelligent au niveau du nœud de chaîne de blocs actuel ; et, si tel n'est pas le cas, envoyer la demande de conclusion d'un contrat intelligent à un système de traitement de mégadonnées, le système de traitement de mégadonnées concluant et sauvegardant le contrat intelligent. La présente invention peut mesurer la capacité de calcul d'un nœud de chaîne de blocs. De plus, un tel procédé de traitement de classification facilite l'intégration de ressources de calcul, ce qui accroît la vitesse de traitement du service et l'efficacité d'une chaîne de blocs.
Patent WO-2021031440-A1 (WO)
Title: Portable waist support and posture correcting cushion
Inventor: WANG YUQI
IPC: A47C27/00
Filed: 2019-11-27
Abstract: Provided is a portable waist support and posture correcting cushion, comprising a base (1) and a backrest (2). An inner side of an upper surface of the base (1) extends downwards to form an arc-shaped recess. The arc-shaped recess naturally transitions to a lateral edge of the base (1). The lateral edge of the base (1) extends downwards. The middle of the lateral edge of the base (1) is recessed inwards to form a V-shaped arc (11). An arc-shaped handle (12) extends from an inner side of the base (1). Four first fixing holes (13) are symmetrically provided in a surface of the base (1), and at least one first arc-shaped anti-slip groove (14) is provided in the middle of the upper surface of the base (1). A lower portion of an inner surface of the backrest (2) extends downwards to form an arc-shaped recess, and the arc-shaped recess transitions to an upper portion of the backrest (2). The upper portion of the backrest (2) is bent inwards in the form of an arc to support the gluteus medius and latissimus dorsi of a human body. An arc-shaped hollow-out (21) is provided in the upper portion of the backrest (2). Six second fixing holes (22) are symmetrically provided in a surface of the backrest (2), and at least one second arc-shaped anti-slip groove (23) is provided in the middle of the inner surface of the backrest (2). The base (1) and the backrest (2) are connected by means of a hinge shaft and are fixed by means of a pin (4).
Patent WO-2020114413-A1 (WO)
Inventor: PANG WEI
IPC: H03H9/72
Filed: 2019-12-04
Abstract: Provided in the present invention are a piezoelectric acoustic wave filter and a duplexer. The piezoelectric acoustic wave filter comprises serial-connected resonators on multiple serial-connected branches, parallel-connected resonators connected in parallel on interconnecting nodes of the serial-connected resonators, an inductor connected at one end to the parallel-connected resonators and connected at the other end to a ground node, and a T-shaped structure consisting of multiple hybrid-connected resonators. The present invention adds multiple zero transmission points by connecting in parallel and introducing a T-shaped network structure to the topology of the piezoelectric acoustic wave filter, thus achieving the goal of increasing simultaneously the out-of-band suppression performance and harmonic suppression performance of the filter; moreover, remaining zero transmission points generated by the piezoelectric acoustic wave filter also significantly increase the suppression performance for out-of-band GPS frequency bands.
Patent WO-2021103126-A1 (WO)
Inventor: MEN YONGLIN
IPC: B60B35/00
Filed: 2019-12-09
Abstract: A bogie wheelset having steerable rubber wheels (2), and a rubber-tired bogie. The bogie wheelset comprises an axle (1) and the rubber wheels (2) disposed at two ends of the axle (1). Each rubber wheel (2) can steer relative to the axle (1) along a steering axis perpendicular to a road surface, and two of the rubber wheels (2) in the bogie wheelset steer in a synchronous manner. The bogie wheelset further comprises a steering drive mechanism (3) for driving the rubber wheels (2) to perform synchronous steering. The rubber-tired bogie comprises the bogie wheelset, and further comprises a frame (4) and a connection bolster (5) mounted on the frame (4). A slewing bearing (6) is provided at an upper end of the connection bolster (5), and is connected to a vehicle body.
Patent WO-2020119721-A1 (WO)
Inventor: XU HONG
IPC: C12Q1/6827
Filed: 2019-12-11
Abstract: 一种检测低丰度突变序列的核酸扩增阻断剂及其在检测低丰度突变序列中的应用，所述核酸扩增阻断剂为锁核酸(LNA)修饰的寡核苷酸，所述核酸扩增阻断剂配对区域位于扩增序列之间，并与野生型基因序列完全配对，与突变序列至少存在一个错配。所属核酸扩增阻断剂与突变核酸序列/野生型核酸序列的亲和力存在巨大差异，从而可选择性的扩增/富集样本中突变序列，对缺失突变、插入突变的检测效果显著。
Patent WO-2021017368-A1 (WO)
Inventor: LIU LISHU
IPC: H01L29/739
Filed: 2019-12-12
Abstract: 本公开实施例公开一种绝缘栅双极型晶体管及其制作方法，所述绝缘栅双极型晶体管包括：漂移区，所述漂移区包括掺杂类型相同的第一掺杂区和第二掺杂区；其中，所述第一掺杂区的掺杂浓度大于所述第二掺杂区的掺杂浓度；体区，与所述漂移区的掺杂类型不同的所述体区包括第一部分和第二部分；所述第一部分，位于所述第一掺杂区和发射极区之间，且与所述第一掺杂区接触；所述第二部分，位于所述第二掺杂区和栅极区之间，且与所述第二掺杂区接触。
Patent WO-2021068425-A1 (WO)
Title: Pressure action rotating device between elastic round wheels
Inventor: LIU GUITONG
IPC: F16H3/20
Filed: 2020-08-17
Abstract: A pressure action rotating device between elastic round wheels (11), comprising a bracket (21, 22) and two elastic round wheels (11). The bracket (21, 22) comprises two parts: a first bracket (21) and a second bracket (22). The two elastic round wheels (11) are respectively mounted in the two brackets (21, 22). In the static pressure interaction state, the two elastic round wheels (11) may produce up-down action force and side slope contact force due to angle contact of the round wheels (11), and the elastic round wheels (11) are necessarily subjected to the forces in the two directions at the same time to produce rotation due to the counter-acting force acting on the elastic surface (7). The rotation direction of the two elastic round wheels (11) is always to the side where the pressure is applied between two domes.
Patent WO-2021017423-A1 (WO)
Title: Display panel and display apparatus
Inventor: ZHANG FENG
IPC: H01L27/32
Filed: 2020-01-10
Abstract: Provided in the present application are a display panel and a display apparatus. An encapsulation layer of the display panel at least comprises a first organic layer and a first inorganic layer, which are arranged in a stacked manner; and in a corresponding electronic element arrangement area, the cross section of a contact face between the first organic layer and the first inorganic layer is an arc, and the arc enables some light blocked by a sub-pixel light-emitting unit to pass through a lighting path of an electronic element by means of the refraction by the arc so as to reach a lighting unit, such that the light extraction efficiency of the electronic element is improved.
Patent WO-2021128524-A1 (WO)
Title: 一种用于加气混凝土砌块垛的搬运机构
Inventor: GONG HENGWEI
IPC: B65G61/00
Filed: 2020-01-20
Abstract: 一种用于加气混凝土砌块垛的搬运机构，包括第一横梁（1）、安装在第一横梁（1）上用于抱持砌块垛的夹持机构、安装在第一横梁（1）左右两端的用于搬运机构行走的行走机构；所述第一横梁（1）与行走机构之间还设置有用于实现砌块垛的升起和降落的竖直升降机构。一种用于加气混凝土砌块垛的搬运机构，自带行走机构，无需与驱动平台进行连接，整体的体积小，不受空间限制，还可进入施工电梯直接将加气混凝土砌块垛送入对应楼层的指定位置，无需中转装卸；整体结构简单，各部件加工容易；使用时操作方便，搬移效率高，实用性强。
Patent WO-2021163987-A1 (WO)
Title: Positive electrode material and electrochemical device comprising positive electrode material
Inventor: ZHANG YANGYANG
IPC: H01M4/525
Filed: 2020-02-21
Abstract: The present application relates to a positive electrode material and an electrochemical device that comprises the positive electrode material. The positive electrode material of the present application comprises: a lithium composite oxide matrix, the lithium composite oxide matrix comprising lithium (Li) and at least one selected from among cobalt (Co), nickel (Ni), manganese (Mn) and aluminum (Al), and the surface layer of the lithium composite oxide matrix having a rock salt structure and comprising tungsten (W); and a material layer formed on the surface layer of the lithium composite oxide matrix, the material layer comprising tungsten (W) and lithium (Li). The present application relates to a positive electrode material that provides excellent high-temperature cycling, a high-temperature storage performance, and high-rate discharge capabilities, and improves the safety performance of electrochemical devices.
Patent WO-2020233184-A1 (WO)
Inventor: LI ZHONGXIAO
IPC: H04B17/13
Filed: 2020-02-26
Abstract: Disclosed are a method and system for determining a frequency hopping pattern, wherein same are used to avoid the problem of a relatively low update efficiency of a usable frequency set of a node caused by the inconsistency in an alternative frequency set of the node in adaptive frequency hopping technology, and can realize the consistent understanding of an electromagnetic environment by all nodes in a distributed network system. Provided is a method for determining a frequency hopping pattern. The method comprises: determining the probability of each frequency in an alternative frequency set of a node serving as a usable frequency of the node within a pre-set time; encoding each frequency according to a pre-set encoding rule and according to the probability of each frequency in the alternative frequency set of the node serving as a usable frequency of the node within the pre-set time; determining, according to the encoded frequency, a usable frequency set for generating a common frequency hopping pattern of the node; and determining the common frequency hopping pattern of the node according to the usable frequency set, so that the node performs frequency hopping according to the common frequency hopping pattern.
Patent WO-2020192378-A1 (WO)
Inventor: YU ZU YIN
IPC: A61P1/00
Filed: 2020-03-05
Abstract: The present invention provides the use of propylene glycol in the preparation of a medicine for preventing intestinal type radiation disease and radiation enteritis. In the present invention, propylene glycol was firstly used in the field of radiation protection research, and it was found that, by means of preventive use before exposure, the propylene glycol has an obvious experimental therapeutic effect on acute radiation injuries of the intestinal tracts, and intraperitoneal injection and oral administration of propylene glycol both have efficacy. The radiation protection mechanism of propylene glycol may be related to the role of propylene glycol in removing hydroxyl radicals and alleviating DNA injuries in intestinal cells.
Patent WO-2020182140-A1 (WO)
Title: Affinement de vecteur de mouvement dans un codage vidéo
Inventor: ZHANG KAI
IPC: H04N19/00
Filed: 2020-03-11
Abstract: L'invention concerne un affinement de vecteur de mouvement dans un codage vidéo. Un procédé de traitement vidéo consiste à : déduire, pour une conversion entre un premier bloc de vidéo et une représentation de flux binaire du premier bloc de vidéo, des points de recherche initiaux dans un procédé d'affinement de vecteur de mouvement côté décodeur (DMVR) à appliquer pendant la conversion sur la base d'un ou plusieurs vecteurs de mouvement (MV) d'un candidat de fusion associé au premier bloc et d'un ou plusieurs décalages ; et réaliser la conversion sur la base des points de recherche initiaux.