baber/WOPTO huggingface dataset:
Patent WO-2020221339-A1 (WO)
Inventor: UGURLU AHMET UMUT
IPC: H04W40/22
Filed: 2020-04-30
Abstract: Various solutions for coverage extension allowing improved high-frequency and high-data-rate cellular coverage of devices located in conditions of poor network coverage in mobile communications are described. The described solutions may extend coverage, for example, via a sidelink interface between two mobile devices, a relay device in good coverage and a remote device that may be in poor coverage, thus allowing the remote device to communicate using the relay device as a backhaul link to a cellular network.
Patent WO-2021226980-A1 (WO)
Title: Partial point cloud-based pedestrians' velocity estimation method
Inventor: LIU XIANG
IPC: G01S17/93
Filed: 2020-05-15
Abstract: A method, apparatus, and system for estimating a moving speed of a detected pedestrian at an autonomous driving vehicle (ADV) is disclosed. A pedestrian is detected in a plurality of frames of point clouds generated by a LIDAR device installed at an autonomous driving vehicle (ADV). In each of at least two of the plurality of frames of point clouds, a minimum bounding box enclosing points corresponding to the pedestrian excluding points corresponding to limbs of the pedestrian is generated. A moving speed of the pedestrian is estimated based at least in part on the minimum bounding boxes across the at least two of the plurality of frames of point clouds. A trajectory for the ADV is planned based at least on the moving speed of the pedestrian. Thereafter, control signals are generated to drive the ADV based on the planned trajectory.
Patent WO-2020233552-A1 (WO)
Title: Battery charging system and method using dynamically adjusted battery voltage threshold for switching charging modes
Inventor: HUI SHU YUEN RON
IPC: H02J7/00
Filed: 2020-05-19
Abstract: A battery charging system determines a current condition of a battery in real time and dynamically determine a threshold voltage for controlling a charging mode of the battery based on the current battery condition. The battery charging system charges the battery using a constant current (CC) mode or constant voltage (CV) mode based on the battery voltage and the dynamically determined threshold voltage. The battery charging system can determine the voltage and current of the battery in real time without receiving information on the battery from the power receiving side of the battery charging system.
Patent WO-2021217750-A1 (WO)
Inventor: LU CHENG
IPC: G10L15/20
Filed: 2020-05-19
Abstract: A method and system for eliminating channel difference in voice interaction, an electronic device, and a medium. The method comprises: in a voice model training phase, extracting cepstrum features from training corpora in each scene (S101); calculating a cepstrum mean value of a background environment signal in the corresponding scene according to the cepstrum features (S102); and subtracting the cepstrum mean value of the background environment signal from a cepstrum feature of a voice signal to obtain a normalized cepstrum sequence, and training a voice model by using the cepstrum sequence (S103); and in a voice model using phase, collecting a user voice signal, and extracting a cepstrum feature (S201); estimating a cepstrum mean value of a background environment signal according to the cepstrum feature (S202); and subtracting the cepstrum mean value of the background environment signal from the cepstrum feature to obtain a normalized cepstrum sequence, and inputting the normalized cepstrum sequence into the voice model (S203). The method successfully eliminates the difference between voice channels in the voice model training and using stages, and improves the accuracy of back-end recognition.
Patent WO-2021031641-A1 (WO)
Inventor: YANG ZHIXING
IPC: H01Q13/20
Filed: 2020-05-25
Abstract: Provided is a wide/high-frequency leaky cable, comprising an inner conductor 1, an insulation layer 2, an outer conductor 3, and a sheath 4, which are coaxially meshed in sequence from inside to outside, wherein the outer conductor 3 is provided with a plurality of slotted hole groups 5 periodically arranged at a pitch P in the axial direction; each of the slotted hole groups 5 comprises a plurality of array groups 6 arranged in a staggered and overlapped manner in the axial direction; and each of the array groups 6 comprises a left array 7 and a right array 8, with the left array 7 and the right array 8 being arranged along the axis in a splayed manner and being complementary relative to the angle of inclination of the axis, the left array 7 and the right array 8 being symmetrical along the perpendicular bisector of the connecting line thereof, and the distance between the center of the left array 7 and the center of the right array 8 being P/2. In the present invention, the low-frequency radiation performance and the high-frequency transmission performance are improved, and on the basis of the comprehensive loss evaluation at 250 m, the difference of comprehensive loss in the service frequency bands is controlled within 5 dB, such that the wide/high-frequency leaky cable is more suitable for use in a 2G/3G/4G/5G combined circuit.
Patent WO-2021237408-A1 (WO)
Inventor: ZHANG NAN
IPC: H04W40/02
Filed: 2020-05-25
Abstract: L'invention concerne des procédés, des systèmes et des dispositifs pour des communications sans fil. Un équipement utilisateur (UE) peut recevoir un descripteur de trafic qui comprend une chaîne de caractères correspondant à une application de l'UE. Dans certains cas, la chaîne de caractères peut être codée pour représenter une séquence de caractères dans la chaîne de caractères pour indexer ou faire correspondre des applications à différentes tranches de réseau pour des communications pour l'UE. Par exemple, la chaîne de caractères peut être codée à l'aide d'un codage par le code normalisé américain pour l'échange d'informations (ASCII). Après la réception et le décodage du descripteur de trafic codé, l'UE peut identifier une tranche de réseau correspondante pour l'application correspondant à la chaîne de caractères du descripteur de trafic. Par la suite, l'UE peut tenter d'établir une connexion avec la tranche de réseau correspondante pour des communications pour l'application et peut communiquer avec la tranche de réseau correspondante pour l'application sur la base d'un établissement réussi de la connexion.
Patent WO-2021232465-A1 (WO)
Inventor: JIANG DEZHI
IPC: G01M3/26
Filed: 2020-05-28
Abstract: 一种气密性测试装置，包括机架，机架上设有工作台（20），工作台（20）上设置有至少一组气密性测试机构，气密性测试机构包括固定安装于工作台（20）上的安装板（31）、Y轴滑动机构（32）、Z轴升降机构（33）和密封夹具（34）；Y轴滑动机构（32）包括导轨（321）、滑动座（322）和无杆气缸（323），无杆气缸（323）的外滑块与滑动座（322）的一端固定连接；Z轴升降机构（33）包括下压板（331）以及驱动下压板（331）沿Z轴方向移动的Z轴驱动装置；密封夹具（34）包括上夹具（341）和下夹具（342），上夹具（341）以可拆卸的连接方式与下压板（331）固定连接，下夹具（342）以可拆卸的连接方式与滑动座（322）固定连接。还公开了一种气密性测试方法。气密性测试装置结构紧凑，布局合理，拆装方便，可靠性好，更换上下夹具即可适配其他产品，稳定性好，测试准确性好并且测试效率高。
Patent WO-2021237567-A1 (WO)
Title: Tunable optical filter device and spectral imaging system
Inventor: GUO BIN
IPC: G02B26/00
Filed: 2020-05-28
Abstract: A tunable optical filter device, comprising a first substrate (104, 201) having a first reflection structure and a second substrate (108, 207) having a second reflection structure. The surface peripheries having the reflection structures of the first substrate (104, 201) and the second substrate (108, 207) are bonded to each other by means of a bonding compound (106, 205) to form a cavity between the reflection structures, and optical material blocks (109, 209) of different thicknesses are distributed on the surface having the reflection structure of the first substrate (104, 201) and/or the second substrate (108, 207) in the cavity. A spectral imaging system, comprising a tunable optical filter device, and further comprising an imaging chip (402). The tunable optical filter device and the imaging chip (402) are bonded to each other. Another spectral imaging system, comprising a tunable optical filter device. one of a first substrate (104, 201) and a second substrate (108, 207) of the tunable optical filter device is an imaging chip (402).
Patent WO-2021237685-A1 (WO)
Title: Resolution of new radio registration failure
Inventor: Lin Tianya
IPC: H04W76/18
Filed: 2020-05-29
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine, while registered in a non-standalone mode, that a codebook configuration received from a cell is incorrect, based at least in part on transmitting a registration request for a New Radio (NR) data service to the cell. The UE may add the cell to a list of one or more cells to which registration requests for the NR data service are barred, based at least in part on determining that the codebook configuration received from the cell is incorrect. Numerous other aspects are provided.
Patent WO-2021243572-A1 (WO)
Inventor: JIAO XU
IPC: G06K9/00
Filed: 2020-06-02
Abstract: A motion detection method and apparatus, an electronic device and a computer readable storage medium. The motion detection method comprises: shooting the motion of a detected person to form a picture frame sequence, wherein the detected person wearing a calibration assembly (S31); detecting the calibration assembly in the picture frame sequence to acquire position information of the calibration assembly (S32); according to a tracking algorithm, tracking the calibration assembly in the picture frame sequence (S33); and measuring the moving distance of the calibration assembly (S34). According to the method, more accurate and faster target detection, tracking and measurement can be achieved.
Patent WO-2021243671-A1 (WO)
Inventor: YAO KE
IPC: H04B7/0417
Filed: 2020-06-05
Abstract: This document generally relates to wireless communication schemes that include determining a beam state for transmission of a second signal based on a downlink control information (DCI) command that is used for scheduling transmission of a first signal. In some embodiments, whether to communicate the first signal is also determined.
Patent WO-2021237819-A1 (WO)
Title: Oral irrigator
Inventor: PAN LIUYUN
IPC: A61C17/02
Filed: 2020-06-15
Abstract: An oral irrigator, comprising a housing (1), a nozzle (2) detachably connected to the housing (1), a water tank (3) mounted in the housing (1), a power pump (5), a control motherboard (6) mounted in the housing (1), and a power supply (7) electrically connected to the control motherboard (6). The power pump (5) and the power supply (7) are separately mounted in the housing (1). A water inlet (51) of the power pump (5) communicates with the water tank (3), and a water outlet (52) of the power pump (5) communicates with the nozzle (2). The power pump (5) is electrically connected to the control motherboard (6). An accommodating cavity (30) used for accommodating the nozzle (2) is provided in the water tank (3). The oral irrigator further comprises a sterilization lamp (8) used for irradiating the accommodating cavity (30). The sterilization lamp (8) is electrically connected to the control motherboard (6). After the use of the oral irrigator, the nozzle (2) can be removed from the housing (1) and placed in the accommodating cavity (30) of the water tank (3) for storage, so that the volume of the oral irrigator can be reduced to facilitate carrying. The nozzle (2) accommodated in the accommodating cavity (30) can be sterilized by means of the sterilization lamp (8), so that the nozzle (2) does not need to be sterilized by means of an external sterilization device, thereby improving the convenience of sterilization operations of the nozzle (2).
Patent WO-2021174717-A1 (WO)
Inventor: XIN LIANGLIANG
IPC: G06F40/30
Filed: 2020-06-19
Abstract: A text intent recognition method and apparatus, a computer device and a storage medium. The method comprises: acquiring text to be processed (S102); inputting the text into a text classification model to obtain a similar corpus of the text outputted by the text classification model and a first similarity between the similar corpus and the text, and training the text classification model according to a corpus that has annotated intent (S104); determining first candidate intent of the text according to the similar corpus (S106); extracting entity information of the text, and acquiring second candidate intent of the text according to the entity information (S108); acquiring a second similarity between the entity information and the text (S110); and screening the final intent of the text from the first candidate intent and the second candidate intent according to the first similarity and the second similarity (S112). The described method is able to improve the accuracy of text content intent recognition.
Patent WO-2021164165-A1 (WO)
Inventor: ZANG LINJIE
IPC: G06F16/176
Filed: 2020-06-24
Abstract: 一种文件锁处理方法、装置及一种电子设备和计算机可读存储介质，该方法包括：获取目标文件系统的阻塞锁链表；其中，阻塞锁链表包括目标文件系统当前被挂起的所有文件锁请求；判断目标文件系统是否支持异步阻塞锁；若否，则根据每个文件锁请求的请求类型确定每个文件锁请求对应的文件锁状态；其中，文件锁状态包括无阻塞锁状态和轮询阻塞锁状态；向发起目标文件锁请求的客户端返回阻塞状态，以便客户端每隔预设时间发起目标文件锁请求，直至目标文件锁请求被服务器响应，其中，目标文件锁请求为文件锁状态为轮询阻塞锁状态的文件锁请求。本申请提供的文件锁处理方法，提高了文件系统中文件锁管理的可维护性。
Patent WO-2020259657-A1 (WO)
Inventor: WEI XIANRANG
IPC: F16K1/38
Filed: 2020-06-28
Abstract: An electronic expansion valve, comprising a valve needle lead screw assembly (1), the valve needle lead screw assembly (1) comprising a gasket portion (13), a spring (14) and a lead screw assembly (15); the lead screw assembly (15) comprises a lead screw (151), the spring (14) is sleeved outside the lead screw (151); the lead screw assembly (15) comprises a lower stop portion (153) and an upper stop portion (155), the lower stop portion (153) comprises a lower flange portion (1531) or a main body portion (1562), and the lower stop portion (153) or the main body portion (1562) can abut against the gasket portion (13). The upper stop portion (155) comprises an upper flange portion (1551) and/or an upper stop ring (1552), and the upper flange portion (1551) and/or the upper stop ring (1552) abut against the spring (14); a lower end of the spring (14) abuts against the gasket portion (13). In the electronic expansion valve, the spring (14) is sleeved outside the lead screw (151), an upper end of the spring (14) abuts against the upper stop portion (155), a lower end of the spring (14) abuts against the lower stop portion (153), the spring (14) fits the lead screw assembly (15), and thus the spring (14) of the valve needle lead screw assembly (1) is not easy to deflect.
Patent WO-2021174732-A1 (WO)
Inventor: LIU QINGBO
IPC: E21B7/04
Filed: 2020-07-01
Abstract: Disclosed are an actuating mechanism for a rotary guide device and a rotary guide device using same. The actuating mechanism comprises a driving valve element (1), a driven valve element (2), a first cavity (3), a second cavity (4) and a high-pressure mud driving channel (5), wherein the first cavity (3) comprises a first low-pressure port (301) in communication with low-pressure mud, the first cavity (3) further comprises a first high-pressure port (302) in communication with high-pressure mud, the driving valve element (1) can selectively open and close the first low-pressure port (301) and the first high-pressure port (302) to adjust the pressure in the first cavity (3), two sides of the driven valve element (2) are respectively adjacent to the first cavity (3) and the second cavity (4), the driven valve element (2) moves in response to the pressure difference between the first cavity (3) and the second cavity (4), the driven valve element (2) is connected to the high-pressure mud driving channel (5), and the high-pressure mud driving channel is switched between an open state and a closed state in response to the movement of the driven valve element (2). In the actuating mechanism, by means of the linkage effect between the driving valve element (1) and the driven valve element (2), the system power consumption can be effectively reduced on the basis of increasing the response speed.
Patent WO-2021212664-A1 (WO)
Inventor: LI YUSHAN
IPC: H02M1/00
Filed: 2020-07-06
Abstract: Disclosed are a switching frequency jittering method, a switching circuit, and a DC-DC converter. In the switching frequency jittering method disclosed in the embodiments of the present application, a switching frequency jitters up and down at a third switching frequency or jitters up and down between randomly generated target switching frequencies. Further provided are a switching circuit and a DC-DC converter, which can be used to control a clock signal. Comprehensive system performance aspects of improving the system efficiency, reducing noise, reducing ripples, suppressing the switching of harmonic waves, reducing electromagnetic radiation, etc. are optimized.
Patent WO-2021017816-A1 (WO)
Title: Mapping guide wire, and three-dimensional mapping system using same
Inventor: TANG MIN
IPC: A61B18/14
Filed: 2020-07-14
Abstract: Disclosed are a mapping guide wire (100), and a three-dimensional mapping device (200) using same. The mapping guide wire (100) comprises a guide wire core (10), a guide wire sleeve (20), an electrode wire (30), a front-end electrode (40), and a rear-end electrode (50), wherein the guide wire sleeve (20) is sheathed outside the guide wire core (10) and the electrode wire (30); the front-end electrode (40) and the rear-end electrode (50) are respectively arranged at a distal end and a proximal end of the guide wire core (10); two ends of the electrode wire (30) are respectively connected to the front-end electrode (40) and the rear-end electrode (50); and the rear-end electrode (50) is connected to the three-dimensional mapping device (200). The device is simple to operate, and can rapidly map electric signals collected by the front-end electrode (40).
Patent WO-2021036608-A1 (WO)
Inventor: LIU GANG
IPC: G01K11/32
Filed: 2020-07-24
Abstract: A deep well grounding electrode and a deep well grounding electrode monitoring system. The deep well grounding electrode comprises a feeding rod (1), a feeding head (2), a steel sleeve (3) with a diameter smaller than the aperture of a well body, a temperature measurement optical cable (4), an exhaust pipe (5), and a drainage cable (6); the steel sleeve (3) is located in the well body, and is coated with an insulating erosion-resistant layer (7) from a certain depth to the top; the feeding head (2) is located at the bottom of the steel sleeve (3), and comprises a grouting device capable of pumping coke liquid; the feeding rod (1), the temperature measurement optical cable (4), the exhaust pipe (5), and the drainage cable (6) are located in the steel sleeve (3); the temperature measurement optical cable (4) extends from a bottom end of the feeding rod (1) to a monitoring module; the exhaust pipe (5) extends from the bottom end of the feeding rod (1) to the ground; and one end of the drainage cable (6) is welded on the feeding rod (1), the other end extends to the monitoring module, and the drainage cable (6) is fixed to the feeding rod (1) by bolts. By means of a construction method of the deep well grounding electrode, the purpose of enhancing direct current deep ground layer diffusion can be realized, and the influence of the grounding electrode on the surface environment is greatly reduced.
Patent WO-2021027688-A1 (WO)
Inventor: GUO ZIYANG
IPC: H04L29/08
Filed: 2020-08-06
Abstract: Provided are a service time scheduling method and apparatus, wherein same can improve the service communication quality and guarantee the reliability of data transmission. The method comprises: sending a first service request frame to a service access point (AP), wherein the first service request frame comprises a field for requesting a plurality of AP services, and the field for requesting a plurality of AP services is used for indicating the serving of a station (STA) by a plurality of APs in the same time period; and receiving a first service request response message, wherein the first service response message comprises time arrangement information of the plurality of APs and/or information elements of the plurality of APs, wherein the time arrangement information of the plurality of APs is used for indicating a service time at which each AP of the plurality of APs serves the STA, and the information elements of the plurality of APs are used for indicating APs which serve the STA.
Patent WO-2021027711-A1 (WO)
Inventor: FANG GANG
IPC: G06F3/041
Filed: 2020-08-07
Abstract: A touch screen (120, 200), a screen module (10), and an electronic device (100). By means of applying a widened design to an end part of a groove (222) the measure of the length of which on the y axis in a conductive layer (220) of the touch screen (120, 200) is greater than 0, the phenomenon of stress concentration for the end part of the groove (222) may be reduced so as to improve the reliability of the capacitive touch screen (120, 200); in addition, the fabrication process of the touch screen (120, 200) may only require the implementation of the pre-designing of the pattern of a mask plate (240), thus the operation is simple, and implementation is fast and very practical.
Patent WO-2021120674-A1 (WO)
Title: 一种多总线设备融合访问的方法及装置
Inventor: ZHANG YIJIE
IPC: G06F13/38
Filed: 2020-08-26
Abstract: 提供一种多总线设备融合访问的方法及装置，所述方法包括：总线接收对设备的融合节点访问的指令，该指令包含匹配字、初始地址及偏移量；根据匹配字匹配并激活融合驱动；所述融合驱动分别从总线上的指令中获取初始地址和偏移量；根据初始地址计算设备的第一总线的地址，并根据初始地址和偏移量计算设备的第二总线的地址；按第一总线的地址访问设备以获取第一信息，按第二总线的地址访问设备以获取第二信息。
Patent WO-2021088477-A1 (WO)
Title: Duplexer and electronic device
Inventor: PANG WEI
IPC: H03H9/70
Filed: 2020-08-26
Abstract: Provided are a duplexer and an electronic device. A suppression zero point can be generated at a low-frequency end of a transmission filter by means of a tuning unit circuit, and a zero point position in a wider frequency band range is changed by means of adjusting design parameters in the tuning unit circuit, such that the requirement for an out-of-band suppression index of a receiving filter is satisfied in a specific frequency band. The duplexer comprises: a transmission filter and a receiving filter, wherein the transmission filter and the receiving filter are connected to an antenna terminal, and a tuning unit circuit is connected between the receiving filter and the antenna terminal in series; and the tuning unit circuit comprises a series tuning circuit connected between the receiving filter and the antenna terminal and a parallel tuning circuit connected between a connection point, that is between the series tuning circuit and the receiving filter, and a grounding end, and an inductor is connected between the parallel tuning circuit and the grounding end.
Patent WO-2022047773-A1 (WO)
Inventor: ABDELGHAFFAR MUHAMMAD SAYED KHAIRY
IPC: H04B7/04
Filed: 2020-09-07
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine a plurality of virtual antenna panels, wherein the plurality of virtual antenna panels correspond to a plurality of groups of antenna ports and map to one or more portions of at least one physical antenna panel. The UE may map a plurality of reference signal resources to the plurality of virtual antenna panels. The UE may transmit, to a base station and based at least in part on the mapping, reference signals using the plurality of reference signal resources. Numerous other aspects are provided.