baber/WOPTO huggingface dataset:
Patent WO-2020173357-A1 (WO)
Title: Refrigerator having two-stage evaporator
Inventor: CAO DONGQIANG
IPC: F25D21/14
Filed: 2020-02-19
Abstract: A refrigerator, comprising: a box body (110), which is internally defined with a cooling chamber (150) located below and at least one storage compartment located above the cooling chamber (150); an evaporator (200), which is disposed in the cooling chamber (150), configured to cool an air flow entering the cooling chamber (150), and has a first evaporator part (210) and a second evaporator part (220); and a water receiving tray (400), which is disposed below the evaporator (200), and has a first inclined part (401), a second inclined part (402) and a drainage port (403), the drainage port (403) being provided at the bottom of the intersection of the first inclined part (401) and the second inclined part (403), wherein the first evaporator part (210) is arranged abutting against the first inclined part (401), and the second evaporator part (220) is arranged abutting against the second inclined part (402). The present refrigerator may increase the length of the evaporator (200) and increase the heat exchange area. At the same time, the refrigerator may fully utilize the space of the water receiving tray (400) and increase the effective volume of the compartment.
Patent WO-2021174480-A1 (WO)
Title: 正极材料和包括其的电化学装置及电子装置
Inventor: LIU WENYUAN
IPC: H01M4/36
Filed: 2020-03-05
Abstract: 一种正极材料及包括其的电化学装置及电子装置。该正极材料包括：由一次颗粒形成的二次颗粒，其中正极材料满足以下关系式：15％≤(Dv50a-Dv50b)/Dv50b≤80％，其中，Dv50a表示正极材料不经过超声波处理直接用激光粒度仪测试的Dv50，Dv50b表示正极材料经过超声波处理后用激光粒度仪测试的Dv50，Dv50表示正极材料在体积基准的粒度分布中，从小粒径侧起、达到体积累积50％的粒径。满足以上条件的正极材料的二次颗粒能够形成软团聚，使其电化学装置具有良好的循环性能以及安全性能。
Patent WO-2020177736-A1 (WO)
Title: Method for preparing touch screen
Inventor: XIE ZIMIN
IPC: C09D11/03
Filed: 2020-03-05
Abstract: A method for preparing a touch screen, comprising the following steps: providing a printing working platform (2) provided with a soft pad (3); preparing a seed ink (42); blade-coating, on the soft pad (3), the seed ink (42) into each first recess structure (413) using a blade-coating tool (5) to form a first seed layer (43); forming first metal wires (441) in the first recess structures (413) on the basis of the first seed layer (43); forming a first transparent optical adhesive layer (6) on an upper surface of a drive layer structure (4); blade-coating, on the soft pad (3), the seed ink (42) into each second recess structure (713) using the blade-coating tool (5) to form a second seed layer (72); forming second metal wires (731) in each second recess structure (713) on the basis of the second seed layer (72); attaching a sensing layer structure (7) to the upper surface of the first transparent optical adhesive layer (6); forming a second transparent optical adhesive layer (81) on the upper surface of the sensing layer structure (7); and providing a transparent cover layer (82) and attaching the transparent cover layer (82) to the upper surface of the second transparent optical adhesive layer (81). The method does not need additional pre-curing and cleaning steps, thereby simplifying a technological process and reducing production costs.
Patent WO-2021004079-A1 (WO)
Title: Réseaux de communication sans fil à liaisons multiples pour services haute priorité/faible latence
Inventor: FANG YONGGANG
IPC: H04W72/10
Filed: 2020-03-12
Abstract: La présente invention concerne des procédés, systèmes, et dispositifs associés à des communications sans fil numériques, et plus particulièrement, à des techniques associées à l'utilisation d'un mécanisme d'évaluation de canal à liaisons multiples et d'accès à un canal à liaisons multiples pour réduire le délai d'accès, améliorer la fiabilité de transmission et augmenter le débit de transmission. Dans un aspect donné à titre d'exemple, un procédé de communication sans fil consiste à identifier, par un nœud radio, un premier indicateur de priorité associé à un paquet de données. Le procédé consiste également, en réponse à l'identification du premier indicateur de priorité associé au paquet de données, à transmettre, par le nœud radio, le paquet de données sur une première liaison disponible détectée par l'intermédiaire d'une évaluation de canal libre à liaisons multiples, l'occurrence de la transmission du paquet de données ayant priorité avant la transmission d'un autre paquet de données qui ne comprend pas le premier indicateur de priorité.
Patent WO-2021022817-A1 (WO)
Inventor: WU BAOSHAN
IPC: H02J50/90
Filed: 2020-03-26
Abstract: Disclosed by the present application are a wireless charging device, and a method and system for position detection. The device comprises a transmitting end or a receiving end; the transmitting end comprises a transmitting end resonance network and an inverter circuit; the transmitting end resonance network comprises a transmitting coil; the receiving end comprises a receiving end resonance network and a rectifier circuit; and the receiving end resonance network comprises a receiving coil. The device further comprises: a controller, which is used for obtaining the relative position between the transmitting end and the receiving end according to the self-inductance of the transmitting coil and at least one parameter. The at least one parameter comprises: the current of the transmitting coil, the efficiency of a wireless charging system formed by the transmitting end and the receiving end, and the direct current output voltage of the receiving end. There is a single change relationship between the at least one parameter and the relative position, and thus the relative position between the transmitting end and the receiving end of wireless charging may be accurately detected.
Patent WO-2021017511-A1 (WO)
Title: Extruder die and wood plastic extruder having same
Inventor: TANG DAOYUAN
IPC: B29C48/92
Filed: 2020-03-31
Abstract: An extruder die and a wood plastic extruder having same. The extruder die comprises a flow dividing die (10) formed by combining an upper die body (11) and a lower die body (12). The flow dividing die (10) is connected to a cylinder (1) of an extruder by means of a transition sleeve (20), and a flow channel (30) is provided in the flow dividing die (10). The flow channel (30) extends from the rear end of the dividing die (10) to the front end thereof and forms two independent branch flow channels (31). Molding dies (40) are connected to discharge ports of the two branch flow channels (31). By connecting the flow dividing die (10) to the cylinder (1) of the extruder, the extruder die simultaneously supply a material to two dies to make the two dies simultaneously perform extrusion, thereby improving the yield of the extruder and ensuring that the quality of produced wood plastic products satisfying use requirements. The design can improve production efficiency and reduce production costs.
Patent WO-2020200269-A1 (WO)
Title: Decoder side motion vector derivation
Inventor: LIU HONGBIN
IPC: H04N19/00
Filed: 2020-04-02
Abstract: A method for processing a video includes performing a conversion between a current block of visual media data and a corresponding coded representation of the visual media data, wherein the conversion of the current block includes determining whether a use of one or both of a bi-directional optical flow (BIO) technique or a decoder-side motion vector refinement (DMVR) technique to the current block is enabled or disabled, and wherein the determining the use of the BIO technique or the DMVR technique is based on a cost criterion associated with the current block.
Patent WO-2020233296-A1 (WO)
Title: Procédé de traitement d'agrégation de créneaux temporels, dispositif de communication et support de stockage lisible par ordinateur
Inventor: DUAN SHENGLI
IPC: H04L1/18
Filed: 2020-04-16
Abstract: Procédé de traitement d'agrégation de créneaux temporels, dispositif de communication et support de stockage lisible par ordinateur, le procédé comprenant les étapes suivantes : une extrémité de réception reçoit des données d'agrégation de créneaux temporels envoyées par une extrémité d'envoi ; lorsque l'extrémité de réception décode correctement les données envoyées dans le N-ième créneau temporel de l'agrégation de créneaux temporels, l'extrémité de réception met en œuvre un traitement de rétroaction HARQ-ACK et interrompt le décodage des données envoyées dans des créneaux temporels se situant après le N-ième créneau temporel dans l'agrégation de créneaux temporels ; N est un nombre entier positif et N est inférieur au facteur d'agrégation de l'agrégation de créneaux temporels.
Patent WO-2021057018-A1 (WO)
Inventor: LIU YANG
IPC: F02M61/16
Filed: 2020-04-23
Abstract: Disclosed is an electronic control common-rail-type heavy oil injector, comprising an oil injector body (1), an electro-hydraulic control member, and a nozzle member, wherein an annular groove (110) is provided in the middle of an outer side of a guide sleeve (8) in the electro-hydraulic control member, a transverse through hole is provided in the middle of the annular groove (110) and is in direct communication with a middle hole of the guide sleeve (8), and sealing rings (10) are arranged on two sides of the annular groove (110) to divide the interior of the oil injector body (1) into three cavities. Three annular grooves (111) are provided in a guide section of a control valve core (9), and the second annular groove (111) is in communication with the transverse through hole in the middle of the guide sleeve (8). An electromagnetic element is in contact with cooling oil, and a cooling oil way is isolated from a fuel oil way by means of dynamic sealing, static sealing and drainage, such that corrosion and thermal damage being caused to electronic elements by heavy oil can be effectively prevented; and a countersunk groove is provided in the middle of the top end of a metering hole plate (14), a ball valve seat guide sleeve (11) can be sleeved in the countersunk groove of the metering hole plate (14) and is in clearance fit with a ball valve seat (12), and the ball valve seat guide sleeve has certain guiding capacity for axial movement of the ball valve seat (12).
Patent WO-2021223247-A1 (WO)
Title: Device upgrading method, smart device, and computer readable storage medium
Inventor: YANG NING
IPC: H04L12/24
Filed: 2020-05-08
Abstract: Embodiments of the present application provide a device upgrading method, a smart device, and a computer readable storage medium. The method comprises: establishing a first mapping relationship, wherein the first mapping relationship means: update mapping information between a software update resource in a virtual Open Connectivity Foundation (OCF) service module established for the node device and an over-the-air (OTA) Cluster in the node device, and the update mapping information comprises a mapping relationship of update version attributes and a mapping relationship of update state attributes; if an upgrade event of the accessed node device is detected, obtaining a software update data packet and a first mapping relationship related to the node device; and upgrading the node device according to the software update data packet and the first mapping relationship, thereby achieving device upgrade management for the accessed node devices under an OCF protocol.
Patent WO-2021017598-A1 (WO)
Title: Method for manufacturing electrode having protective layer
Inventor: PAN ZHONGLAI
IPC: H01M10/04
Filed: 2020-05-27
Abstract: The present invention relates to the technical field of secondary batteries, and relates to a method for manufacturing an electrode having a protective layer. The technical problem solved by the present invention is to provide a method for manufacturing an electrode having a protective layer with low costs. The method comprises the following steps: vertically taking out an electrode plate from a coating solution at a speed of 1-9 mm/s, and drying the electrode plate to obtain an electrode having a protective layer, wherein the coating solution is a dispersion liquid or a liquid having an upper layer being a dispersion liquid and a lower layer being water, the dispersion liquid comprising a graphene or graphene derivative. According to the method of the present invention, an electrode having a protective layer can be successfully prepared, thereby improving the cycle performance of a battery. In addition, the method is simple and has high operability, a special device is not required, low costs are achieved, and toxic reagents such as hydrazine hydrate are not required, and the method is safe and environmentally friendly, and can be applied to large-scale industrial production.
Patent WO-2020239122-A1 (WO)
Inventor: WU JUNFENG
IPC: H01L29/778
Filed: 2020-06-01
Abstract: A semiconductor device (100) and a preparation method therefor, and a semiconductor package structure. The semiconductor device (100) comprises: a substrate (10); a multilayer semiconductor layer (20) located on one side of the substrate (10), two-dimensional electron gas being formed in the multilayer semiconductor layer (20); a first source (31), a first gate (32), and a first drain (33) located on one side of the multilayer semiconductor layer (20) and in an active region (a) of the multilayer semiconductor layer (20), the first gate (32) being located between the first source (31) and the first drain (33); and a gate back contact electrode (51) located on the side of the substrate (10) distant from the multilayer semiconductor layer (20), the first gate (32) being electrically connected to the gate back contact electrode (51). Providing a signal from the back of the semiconductor device (100) to the first gate (32) reduces parasitic inductance and parasitic resistance caused by the device during a packaging process, and improves the performance and stability of the device under a high-frequency switch; in addition, the packaging flexibility of the device is improved; not only the dynamic resistance of the device can be greatly improved, but also the heat dissipation around the working center of the device can be considered, thereby improving the flexibility and service life of the device.
Patent WO-2021057073-A1 (WO)
Inventor: PAN WUQIONG
IPC: H04L9/08
Filed: 2020-06-02
Abstract: Provided are a private key generation and use method, apparatus and device in an asymmetric key. The private key generation and use method in an asymmetric key comprises: acquiring an asymmetric key generation request; generating a user private key according to the asymmetric key generation request, wherein the user private key comprises a plurality of user private key components; encrypting the plurality of user private key components by using a pre-determined encryption method to obtain a plurality of corresponding user private key component ciphertexts, wherein at least two of the plurality of user private key components are encrypted by using different pre-determined encryption methods; and storing the plurality of user private key component ciphertexts in the same device.
Patent WO-2021243620-A1 (WO)
Inventor: HONG WEI
IPC: H04W74/08
Filed: 2020-06-03
Abstract: Embodiments of the present application provide a method for determining random access configuration of a terminal, applied to a terminal. The method comprises: receiving a historical random access record obtaining request sent by a base station; and sending, to the base station, a historical random access record associated with the obtaining request.
Patent WO-2021237783-A1 (WO)
Title: Stroller
Inventor: XIA TIEJUN
IPC: B62B9/00
Filed: 2020-06-05
Abstract: A stroller, comprising a frame (1), and a rotatable seat (2), wherein the seat (2) comprises a rotary base (21) located at the bottom part, an adapter base (11) cooperates with the rotary base (21) is provided on the frame (1), the rotary base (21) can rotate relative to the adapter base (11) about the rotary axis of the seat, so that the seat (2) has at least two working positions of different orientations.
Patent WO-2021258374-A1 (WO)
Inventor: ZHANG WEI
IPC: G06T9/40
Filed: 2020-06-24
Abstract: Method for encoding and decoding attributes of a point cloud, as well as encoder and decoder. Therein, the method for encoding attributes of points of a point cloud to generate a bitstream of compressed point cloud data, wherein the point cloud's geometry is represented by a voxel-based structure with a plurality of nodes having parent-child relationships by recursively splitting a volumetric space containing the point cloud into sub-volumes each associated with a node of the voxel-based structure, comprises the steps of: Determining a true transform coefficient by applying Region-Adaptive Hierarchal Transform, RAHT, to the attributes of a present node; Determining a difference between the attributes of a present parent node and each node of a first set of nodes sharing a face or an edge with the present node, wherein the present parent node is the parent node of the present node; Selecting a second set from the first set of parent nodes according to the difference, wherein preferably the second set of parent nodes includes the present parent node; Determining a predicted value for the attributes of the present node according to the attributes of the second set of parent nodes; Determining a predicted transform coefficient by applying RAHT to the predicted value of the attributes of the present node; Determining a residual from the true transform coefficient and the predicted transform coefficient; and Encoding the residual to produce encoded data of attributes of the point cloud for the bitstream.
Patent WO-2021135097-A1 (WO)
Title: Four-quadrant frequency converter energy feedback control circuit
Inventor: GUO SHAOMING
IPC: H02M7/219
Filed: 2020-06-26
Abstract: A four-quadrant frequency converter energy feedback control circuit in the present invention comprises a detection circuit, a logic processing circuit, a drive control circuit and a drive circuit, wherein the detection circuit detects a phase signal of a three-phase voltage; the logic processing circuit performs a logic operation on the phase signal of the three-phase voltage to obtain an IGBT drive signal; and the drive control circuit performs redundancy processing on the IGBT drive signal output by the logic processing circuit, and controls a conduction time sequence of each IGBT device to be consistent with a conduction time sequence of a rectifier diode connected to the IGBT device in parallel, so as to realize the flow of energy between a load and a power grid. According to the four-quadrant frequency converter energy feedback control circuit, an IGBT drive signal can be obtained by means of a simple digital circuit; and a control system is simplified, a CPU does not need to be controlled in order to analyze and process a signal any more, the cost of the control circuit is reduced, the bidirectional flow of energy can be realized, and the cost of a frequency converter system is further reduced.
Patent WO-2022000177-A1 (WO)
Inventor: ZHANG BO
IPC: H04W72/04
Filed: 2020-06-29
Abstract: Provided is a NR-V2X-based coordination method between UEs. The coordination method is used for coordination between UEs during unicast, groupcast and broadcast communications, and the coordination method is executed before or after initial transmission. When the coordination method is executed before the initial transmission, on the basis of information of an available resource set in a pre-configured resource pool, a resource set is allocated/granted to a sending UE by means of a first cooperative UE according to parameter information reported by the sending UE, so as to avoid resource conflicts and/or half-duplex effects; and when the coordination method is executed after the initial transmission, after initial data packets sent in the same time slot by at least two sending UEs that are in the same group are received by means of a second cooperative UE, SFCI is transmitted to each sending UE by means of a PSFCH, and the sending UE is notified to perform initial data packet retransmission in the next different time slots, so as to help a sending UE that has already sent an initial data packet in the same time slot at the same time and faces half-duplex effects after the initial transmission. In addition, further provided is a coordinated relay transmission between UEs.
Patent WO-2021217906-A1 (WO)
Inventor: Tian Jinge
IPC: G06K9/00
Filed: 2020-07-21
Abstract: A posture detection method, apparatus and device based on gait features, and a storage medium, which relate to the technical field of artificial intelligence. The method comprises: acquiring gait data of a target object, and detecting, in the gait data, human body key points of the target object, so as to obtain a plurality of key point features (101); performing feature classification and positioning regression on the plurality of key point features by using a deep learning network, so as to obtain human body information (102); on the basis of the plurality of key point features, calculating a matching parameter between the human body information and preset standard human body information, wherein the preset standard human body information comprises a preset standard affinity vector (103); and determining a posture condition of the target object according to the matching parameter and a standard threshold value, wherein the standard threshold value is a critical value of an anomalous posture condition (104). Relevant data and information in the method can be stored in a blockchain node. By means of the method, the problems of high cost and low detection efficiency during object posture detection are solved.
Patent WO-2022021293-A1 (WO)
Title: 信道侦听的方法及设备
Inventor: HE CHUANFENG
IPC: H04W36/00
Filed: 2020-07-31
Abstract: 本申请实施例提供了一种信道侦听的方法及设备，能够灵活选择信道侦听类型，以应对信道使用情况的变化，提高信道利用率和传输效率。该信道侦听的方法包括：发端设备确定信道侦听类型；该发端设备根据该信道侦听类型进行信道占用。
Patent WO-2022027494-A1 (WO)
Title: Cell determination method and cell determination apparatus
Inventor: LIU XIAOFEI
IPC: H04W36/00
Filed: 2020-08-06
Abstract: The present disclosure relates to a cell determination method and a cell determination apparatus. The cell determination method is applicable to a terminal, and the method comprises: receiving slice-related information provided by a non-access layer by means of an access layer; and performing cell selection and/or cell reselection according to the slice-related information. According to the technical solution of the present disclosure, since slice-related information is provided in such a way that a terminal itself provides slice-related information of a non-access layer to an access layer, same is not limited, to a certain extent, to being of a network side, and the terminal determines, according to its own situation and at the non-access layer, slice-related information, then receives, by means of the access layer, the slice-related information provided by the non-access layer, and then performs cell selection and/or cell reselection according to the slice-related information, such that a cell selection and/or cell reselection result can better conform to the situation of the terminal itself.
Patent WO-2021098313-A1 (WO)
Title: 基于区块链的主机安全监控方法、装置、介质及电子设备
Inventor: KONG DEZHUANG
IPC: G06F21/64
Filed: 2020-08-21
Abstract: 本公开涉及计算机技术领域，具体涉及一种基于区块链的主机安全监控方法、装置、计算机可读介质及电子设备。本公开实施例中的主机安全监控方法包括：监听主机在网络通信中的流量数据，并判断所述流量数据是否为恶意流量；若所述流量数据为恶意流量，则获取所述主机的安全状态信息，并将所述安全状态信息保存至安全状态区块链；生成对应于所述恶意流量的入侵日志，并将所述入侵日志和所述安全状态信息保存至日志存储区块链。该方法具有监控准确性强、可靠性好等优点。