baber/WOPTO huggingface dataset:
Patent WO-2020143670-A1 (WO)
Title: Voice dereverberation method and device
Inventor: LIANG MIN
IPC: G10L21/0208
Filed: 2020-01-08
Abstract: Provided is a voice dereverberation method, comprising: acquiring the voice spectrum signal of the reverberant voice (41); normalizing the voice spectrum signal of the reverberant voice to obtain the normalized voice spectrum diagram of the reverberant voice (42); performing two-dimensional filtering in the time-frequency domain on the normalized voice spectrum diagram of the reverberant voice to acquire the frequency response of the reverb-like system (43); post-processing the frequency response of the reverb-like system to acquire the frequency response estimation of the reverberation system (44); according to the voice spectrum signal of the reverberant voice and the frequency response estimation of the reverberation system, acquiring the voice spectrum of the dereverberation voice signal (45); according to the voice spectrum of the dereverberation voice signal, acquiring the time domain dereverberation voice signal (46).
Patent WO-2020168949-A1 (WO)
Inventor: HUANG SONG
IPC: G09G3/3225
Filed: 2020-02-12
Abstract: A display driving circuit (2022) based terminal device, which is used for solving the problem in which a portion of the current of the display driving circuit (2022) is released by a PMIC. The terminal device comprises: a power circuit (201), a screen module (202), a switch circuit (203) and a control circuit (204), the screen module (202) comprising a display panel (2021) and the display driving circuit (2022). The switch circuit (203) is coupled between the power circuit (201) and the display panel (2021), the control circuit (204) is coupled with the switch circuit (203), and the power circuit (201) is also coupled with the display driving circuit (2022). When controlling the display panel (2021) to be in a screen-off display mode, the control circuit (204) is used to control the switch circuit (203) to be in an open state so as to disconnect the connection between the power circuit (201) and the display panel (2021), which enables the display driving circuit (2022) to provide power to the display panel (2021). When controlling the display panel (2021) to be in a screen-on display mode, the control circuit (204) is further used to control the switch circuit (203) to be in a closed state so as to enable the power circuit (201) to provide power to the display panel (2021).
Patent WO-2020177749-A1 (WO)
Title: Chondroitin sulfate polysaccharide, and semi-synthetic preparation method therefor and use thereof
Inventor: ZHAO ZHEHUI
IPC: C08B37/08
Filed: 2020-03-05
Abstract: The present invention relates to the technical field of medicine, in particular to a chondroitin sulfate polysaccharide, and a semi-synthetic preparation method therefor and the use thereof. A metal salt of the chondroitin sulfate polysaccharide provided by the present invention has an anti-inflammatory effect, and can be used for preparing a drug against inflammatory diseases. In particular, the metal salt of the chondroitin sulfate polysaccharide provided by the present invention has anti-inflammatory and bone-protecting effects, and can be used for preparing a drug against rheumatoid arthritis and for preparing a drug against osteoarthritis. The present invention provides a method for preparing the metal salt of the chondroitin sulfate polysaccharide, and the metal salt of the chondroitin sulfate polysaccharide with different degrees of sulfation can be obtained by semi-synthetic means in the present invention. The method is simple to operate and suitable for large-scale production.
Patent WO-2020220834-A1 (WO)
Inventor: WANG DINGHUI
IPC: H02K9/06
Filed: 2020-03-09
Abstract: Système de refroidissement, moteur (100) et un groupe générateur d'éolienne. Le système de refroidissement est appliqué au moteur. Le moteur comprend un support de stator (10) et un support de rotor (20) ; le support de stator est relié de façon mobile et étanche au support de rotor, de façon à former des chambres d'aération (21) au niveau de deux extrémités du moteur le long de la direction axiale ; le support de stator est pourvu de premiers trous d'aération (a) aux deux extrémités le long de la direction axiale. Le système de refroidissement comprend : une chambre de confluence (102), disposée le long de la périphérie du support de stator ; une chambre de réception (101), disposée le long de la périphérie du support de stator, la chambre de réception étant située sur le côté intérieur de la chambre de confluence le long de la direction radiale et communiquant avec la chambre de confluence, et les premiers trous d'aération étant situés à l'extérieur de la chambre de réception ; un échangeur de chaleur (30), disposée dans la chambre de réception ou dans la chambre de confluence ; et un moteur de circulation (40), disposé le long de la périphérie du support de stator, et situé d'un côté du support de stator le long de la direction axiale, le moteur de circulation comprenant une entrée d'air (41) et une sortie d'air (42). Après que l'air refroidi s'écoule hors de la sortie d'air du moteur de circulation, une partie de l'air refroidi pénètre dans la chambre d'aération au niveau de l'extrémité voisine, et l'air refroidi restant entre dans la chambre d'aération à l'autre extrémité. Le système de refroidissement et le moteur peuvent mettre en œuvre un refroidissement en circulation sur un composant de chauffage à l'intérieur du moteur. Le système de refroidissement présente une structure globale simple et compacte, et occupe un petit espace. En adoptant le moteur, la taille d'une cabine (300) du groupe générateur d'éolienne peut être efficacement réduite, de telle sorte que les coûts globaux et les charges de machine sont réduits, et la fiabilité et la facilité d'entretien du groupe générateur d'éolienne sont améliorées.
Patent WO-2021000597-A1 (WO)
Title: Voice signal processing method and device, terminal, and storage medium
Inventor: CHEN FEI
IPC: G10L19/16
Filed: 2020-03-12
Abstract: A voice signal processing method and device, a terminal, and a storage medium. The method comprises: obtaining a compressed narrowband voice signal (S101); extracting a frequency domain feature of the narrowband voice signal (S102); inputting the frequency domain feature of the narrowband voice signal into a trained deep noise reduction self-encoder neural network model for nonlinear fitting, and obtaining a frequency domain feature of a full-band voice signal (S103); and converting the frequency domain feature of the full-band voice signal into a power spectrum of the full-band voice signal, performing inverse Fourier transformation on the power spectrum of the full-band voice signal by using phase information of a corresponding narrowband signal, and obtaining the full-band voice signal (S104). The compressed narrowband voice signal is subjected to bandwidth recovery by using the deep noise reduction self-encoder neural network model, thereby improving the quality and intelligibility of the voice signal.
Patent WO-2020253288-A1 (WO)
Inventor: WEI JUNBO
IPC: G06F1/16
Filed: 2020-03-18
Abstract: Provided by the present disclosure are a display substrate and a display apparatus, the display substrate comprising a substrate, and further comprising a sound production circuit and a sound production drive circuit that are provided on the substrate, the sound production drive circuit being used to drive the sound production circuit to emit sound; the display substrate further comprises a display structure, which is located on a side of the sound production circuit and the sound production drive circuit away from the substrate.
Patent WO-2020187310-A1 (WO)
Inventor: WANG HAIBO
IPC: H04L45/02
Filed: 2020-03-20
Abstract: The present application relates to the technical field of networks, and provided thereby are a neighbor relationship management method and apparatus, a device and a storage medium. In the present application, by means of a first routing device, when the neighbor relationship between the first routing device and a second routing device is interrupted, routing table entries received from the second routing device are not deleted, and a service can still be processed by means of the routing table entries received from the second routing device within the time range from the interruption of the neighbor relationship to the reconstruction of the neighbor relationship, thus the impact on services related to routing table entries after the deletion of said routing table entries is avoided.
Patent WO-2020200176-A1 (WO)
Inventor: XU XIUQIANG
IPC: H04W72/04
Filed: 2020-03-30
Abstract: Provided are a transmission resource determination method and apparatus. In the method, a terminal and a network device can determine, on the basis of indication information indicating a table entry in a time domain resource allocation table and the time domain resource allocation table, a time domain resource and an RV of one or more transmission occasions for transmitting a PUSCH or a PDSCH. In the method, table entries in a time domain resource allocation table can comprise information for indicating an RV, and in this case, a network device no longer needs to indicate an RV corresponding to a transmission occasion by means of DCI, such that the signaling overhead of the DCI can be reduced. The present application relates to the technical field of communications.
Patent WO-2020200227-A1 (WO)
Title: Commutation entre mode basé sur la charge et mode basé sur les trames lors d'un fonctionnement dans une bande sans licence dans des communications mobiles
Inventor: FISHER-JEFFES TIMOTHY PERRIN
IPC: H04W74/08
Filed: 2020-04-01
Abstract: Selon divers exemples, l'invention concerne la commutation entre un mode basé sur la charge et un mode basé sur les trames lors d'un fonctionnement dans une bande sans licence dans des communications mobiles. Un appareil mis en œuvre dans un équipement utilisateur (UE) établit une communication sans fil avec un réseau dans une bande sans licence. L'appareil détermine de commuter entre un mode d'équipement basé sur la charge (LBE) et un mode d'équipement basé sur les trames (FBE). L'appareil commute ensuite entre le mode LBE et le mode FBE en réponse à la détermination.
Patent WO-2020216035-A1 (WO)
Inventor: JIANG HONGQI
IPC: H04L29/06
Filed: 2020-04-02
Abstract: Provided in the present disclosure are a real-time pushing method and a real-time receiving method for a media stream, a server, and a client. The real-time pushing method comprises: receiving a media segment request carrying at least one command transmitted by a client, the command comprising a start to push command; starting one push task on the basis of the start to push command; when the start to push command carries at least one among a first-type parameter indicating a target media stream to be transmitted, a second-type parameter indicating unit features of candidate media to be transmitted, and a segmentation policy, determining, on the basis of the first-type parameter, the target media stream to be transmitted, assigning one push task identifier to the push task, generating an initial media segment on the basis of the second-type parameter, continuously generating new media segments on the basis of the segmentation policy, and transmitting the push task identifier and the generated media segments to the client. The method implements client-controlled self-adaptive segmented push, simplifies a server-side push process, and increases the transmission efficiency of the media stream and the support for large-scale self-adaptive push.
Patent WO-2020228509-A1 (WO)
Inventor: SUN HUA
IPC: A61C15/04
Filed: 2020-05-23
Abstract: Disclosed is an automatic dental floss pick box, comprising a bottom shell (1), a cover plate (2) and an upper housing (3), wherein the bottom shell (1) is a rectangular tank with an opening in the upper surface thereof, and a front upper edge and a rear upper edge of the bottom shell (1) are respectively provided with an elongated outlet slot (4); the bottom shell (1) is internally provided with plastic buttons (5) and a movable support (6); the plastic buttons (5) are cylindrical rod bodies vertically mounted on the front surface and rear surface of the bottom shell (1); a spring (7) is sheathed on the rod body of each plastic button (5), the outer end of the plastic button (5) is exposed out of the bottom shell (1), and the inner end of the plastic button cooperates with the movable support (6); the movable support (6) is an L-shaped rod, with a short side thereof being thickened and protruding upwards and being perpendicular to the front surface and the rear surface of the bottom shell (1); the cover plate (2) is a plastic plate consistent with the bottom shell (1) in terms of shape, the cover plate (2) is clamped to an upper opening of the bottom shell (1) in an embedded manner, and the middle of the cover plate (2) is provided with rectangular strip-shaped notches (8) which are symmetrically arranged in parallel; ends of the strip-shaped notches (8) are close to a front edge and a rear edge of the cover plate (2), and the short side of the movable support (6) cooperates with the strip-shaped notches (8) and exposes the strip-shaped notches (8); the upper housing (3) is in the shape of a transparent rectangular columnar tank with a bottom opening, the bottom of the upper housing (3) cooperates with the cover plate (2), and symmetrically stacked dental floss picks are held in the upper housing (3); and the bottom dental floss picks are located on the upper surface of the short side of the movable support (6).
Patent WO-2021212494-A1 (WO)
Inventor: LI SHUANGSHUANG
IPC: A61B8/00
Filed: 2020-04-24
Abstract: Disclosed are a viscosity and elasticity measurement method (100, 700) and an ultrasonic measurement system (1000). The viscosity and elasticity measurement method (100, 700) comprises: emitting an acoustic radiation force pulse to a measured object, so as to generate a shear wave in a region of interest of the measured object (S110); emitting, to the region of interest, a first ultrasonic wave tracking the shear wave, and receiving a first ultrasonic echo from the region of interest, so as to obtain first ultrasonic echo data (S120); obtaining a shear wave signal of the region of interest according to the first ultrasonic echo data (S130); extracting, from the shear wave signal, shear wave components of at least two different frequencies (S140); respectively determining phase velocities of the shear wave according to the shear wave components of the at least two different frequencies (S150); determining, according to at least two of the phase velocities, viscosity information that reflects the viscosity of the region of interest (S160); and outputting the viscosity information (S170). The viscosity information of the region of interest can be determined by means of one-step viscosity and elasticity measurement.
Patent WO-2021212528-A1 (WO)
Title: 一种组合型多功能饮水设备及其使用方法
Inventor: ZHAO WEI
IPC: F24H9/00
Filed: 2020-04-27
Abstract: 一种组合型多功能饮水设备及其使用方法，包括漏水保护结构，包括第二液位计（13）、电磁阀（8）与等压口（14）；设有定期排空结构，包括第一液位计（4）、第一阀体（7）与电磁阀；设有除垢结构，包括除垢装置（2），进而提供一种多功能的组合式饮水设备及其使用方法。
Patent WO-2021232227-A1 (WO)
Title: Point cloud frame construction method, target detection method, ranging apparatus, movable platform, and storage medium
Inventor: LI YANZHAO
IPC: G01S17/89
Filed: 2020-05-19
Abstract: A point cloud frame construction method, a target detection method, a ranging apparatus, a movable platform, and a storage medium. The point cloud frame construction method comprises: acquiring multiple point cloud points sequentially collected by a ranging apparatus (S501); and according to spatial location information of the multiple point cloud points, forming the multiple point cloud points into multiple point cloud frames to sequentially output same (S502). The integral duration used for point cloud points at different spatial locations in the point cloud frames is different. By means of said method, integral duration and integral space can be adaptively adjusted, such that the spatial distribution of point cloud points in each point cloud frame is more uniform and reasonable, and object information in a scanning scenario can be better portrayed.
Patent WO-2021217758-A1 (WO)
Inventor: LIU JINFENG
IPC: G09G3/20
Filed: 2020-05-20
Abstract: A spliced display device (100), comprising at least two display panels (10, 20) and a driving device (30) used for driving the display panels (10, 20) to display. Any of the display panels (10, 20) comprises at least two display areas (11, 12; 21, 22) arranged in parallel in a first direction (X); any two adjacent display areas (11, 12; 21, 22) perform scanning in directions opposite each other or in directions deviating from each other; and the maximum brightness area or the minimum brightness area of the spliced display device (100) is located between two adjacent display panels (10, 20).
Patent WO-2020239103-A1 (WO)
Inventor: ZHANG CHEN
IPC: C07D487/04
Filed: 2020-05-29
Abstract: L'invention concerne un dérivé de cycle inhibiteur de BTK, son procédé de préparation et une application pharmaceutique de celui-ci. Le dérivé de cycle inhibiteur de BTK est un composé représenté par une formule générale (I) ou un stéréoisomère, un solvate, un promédicament, un métabolite, un sel ou un co-cristal pharmaceutiquement acceptable de celui-ci, et le dérivé de cycle inhibiteur de BTK est utilisé pour traiter des maladies associées à BTK telles que des tumeurs ou des maladies du système auto-immun.
Patent WO-2021196396-A1 (WO)
Title: 一种用于建筑物室内空气净化的通风换气装置
Inventor: HOU KEMING
IPC: F24F3/16
Filed: 2020-06-03
Abstract: 本发明公开了一种用于建筑物室内空气净化的通风换气装置，其包括底座、支撑座一、进风仓以及过滤组件，所述进风仓采用支撑座一固定在底座上，所述进风仓的顶部采用支撑座二与顶座相连，所述支撑座一和支撑座二上均布有网眼，以便室内的上下方空气均能够进入到进风仓中，所述进风仓的侧面连通有过滤组件，所述过滤组件能够将进风仓中的空气进行过滤并通过导向筒一以及导向筒二吹散至室内的上下方，实现循环过滤，本发明设置的过滤组件能够实现一个过滤网的二次过滤空气，提高了过滤效率以及空气质量。
Patent WO-2021008395-A1 (WO)
Inventor: MA PENGYU
IPC: G07C9/00
Filed: 2020-07-06
Abstract: An access control management method and apparatus, a device and a storage medium. Said method comprises: receiving first authentication information of a user (S101); determining, on the basis of the first authentication information, an access mode of the user (S102), the access mode being allocated on the basis of an identity feature of the user; and sending, on the basis of a determination result that the access mode comprises the access right of a currently authenticated target door, an unlocking instruction to a target door (S104).
Patent WO-2021008482-A1 (WO)
Inventor: ZHANG YUCHENG
IPC: G06F16/635
Filed: 2020-07-13
Abstract: An audio playback device (100) and the use thereof and data updating method therefor. The audio playback device (100) comprises: a control assembly (110), a storage assembly (120), a trigger assembly (130) and a communication assembly (140), the storage assembly (120) being configured to store a local audio file playlist comprising at least one audio file; the trigger assembly (130) being configured to send a trigger signal to the control assembly (110) when a current environment triggers a preset playing condition of a current audio playback device (100); the control assembly (110) being configured to invoke, according to a first playing strategy, a corresponding pre-stored audio file from the local audio playlist of the storage assembly and play same (120); the control assembly (110) being further configured to collect playing data and upload same to a preset central control system to perform strategy adjustment; and the communication assembly (140) being configured to receive an update instruction from the central control system and update the data. The audio playback device (100) is remotely managed, so as to adapt to different environments and scenario requirements, and push required and noteworthy information to a user.
Patent WO-2021008496-A1 (WO)
Inventor: YUAN LIQUAN
IPC: H04Q11/00
Filed: 2020-07-13
Abstract: The present application proposes an optical network unit management method, device, and system, and a storage medium. The optical network unit management method comprises: receiving a first ONU management message sent by a management system, wherein the first ONU management message comprises an identifier of a first ONU; sending the first ONU management message to a vOMCI functional entity; receiving first OMCI information sent by the vOMCI functional entity, wherein the first OMCI information is generated by the vOMCI functional entity after the vOMCI functional entity has encapsulated the first ONU management message according to a management protocol, and the first OMCI information comprises the identifier of the first ONU; and sending the first OMCI information to the first ONU.
Patent WO-2021068602-A1 (WO)
Title: Multi-mode multi-service rail transit analog simulation method and system
Inventor: WEI WEI
IPC: G06Q10/06
Filed: 2020-07-27
Abstract: A multi-mode multi-service rail transit analog simulation method and system. The present system fully considers the mutual effect and restrictive relationship between different modes and different domains, and improves the accuracy of simulation evaluation of transport performance of a multi-mode rail transit system. Furthermore, the present system can flexibly configure the scale and space range of simulation objects, and can flexibly configure simulation scenes according to actual simulation requirements. Specifically, the network scope and service decision schemes of the simulation, and the simulation domains can be configured flexibly. Without modification or with slight modifications, the simulation and analysis evaluation requirements of multi-mode rail transits in different regions can be satisfied. In addition, the present method overcomes the one-sidedness existing in a single-mode and single-domain performance index simulation evaluation method, and more effectively supports multi-mode rail transit collaborative transportation decision generation and performance improvement of regions.
Patent WO-2021018225-A1 (WO)
Title: Hybrid clamping five-level three-phase inverter and inversion system
Inventor: CHEN RONG
IPC: H02M7/487
Filed: 2020-07-30
Abstract: The present invention relates to a hybrid clamping five-level three-phase inverter, comprising an upper bus capacitor, a middle bus capacitor, a lower bus capacitor and three inverter units respectively corresponding to a three-phase circuit. Each inverter unit comprises an x-phase first power electronic switching device, an x-phase second power electronic switching device, an x-phase third power electronic switching device, an x-phase fourth power electronic switching device, an x-phase fifth power electronic switching device, an x-phase sixth power electronic switching device, an x-phase seventh power electronic switching device, an x-phase eighth power electronic switching device, and an x-phase flying capacitor. The present invention reduces the number of power electronic switching devices required for a conventional five-level inverter, which thereby reduces the costs of inverters, improves the efficiency of inverters, and has very good application prospects in renewable energy power generation systems.
Patent WO-2021208295-A1 (WO)
Title: Use of pde4 inhibitor in preparation of drug for treating leukemia
Inventor: Zhao Allan Zijian
IPC: A61P35/02
Filed: 2020-07-31
Abstract: Disclosed is the use of phosphodiesterase 4 inhibitor ZL-n-91 in preparation of a drug for treating leukemia. In vitro cytology experiments and animal experiments show that the phosphodiesterase 4 inhibitor ZL-n-91 can significantly inhibit the proliferation of leukemia cells, showing that the phosphodiesterase 4 inhibitor ZL-n-91 is expected to become an important target in studies concerning anti-leukemia proliferation, and has a good prospect for further development and application.