baber/WOPTO huggingface dataset:
Patent WO-2020073546-A1 (WO)
Inventor: LU FRANK YIFAN CHEN
IPC: H04L9/32
Filed: 2019-01-03
Abstract: Disclosed are a processing method for a digital certificate, and an apparatus. The method comprising: a CA of a first participant of a blockchain network recording a public key of the CA of the first participant in the blockchain network; when the CA of the first participant receives a certificate authorization request of any user, confirming, according to user identity information carried in the certificate authorization request, whether the user is a user of the CA of the first participant; if so, acquiring a public key of the user from the certificate authorization request, and acquiring, according to a ring signature certificate issuing rule, public keys of CAs of any N second participants from the blockchain network, wherein N is equal to the set number of public keys in the ring signature certificate issuing rule; and the CA of the first participant performing, according to the public key and a private key of the CA of the first participant and public keys of CAs of the N second participants, ring signature on the user identity information and the public key of the user and generating a digital certificate, and sending same to the user. Using the embodiments of the present application can improve the identity privacy of an issuer of a digital certificate.
Patent WO-2019154227-A1 (WO)
Title: Rotary mechanism for display terminal, and vehicle
Inventor: LUO ZHONGLIANG
IPC: B60R11/02
Filed: 2019-01-30
Abstract: Provided are a rotary mechanism (100) for a display terminal (300), and a vehicle (1000) having same. The rotary mechanism (100) comprises: a mounting unit (10), a clutch unit and a drive unit (30), wherein the mounting unit (10) is used for mounting the display terminal (300); the clutch unit comprises a first engaging portion (11) and a second engaging portion (334a), and the first engaging portion (11) is dynamically coupled and connected to the second engaging portion (334a); the first engaging portion is connected to the mounting unit; and the drive unit (30) has a power output member capable of outputting a torque, and the power output member is detachably connected to the second engaging portion and can transfer the torque. The rotary mechanism can realize automatic rotation of the display terminal, thus being able to realize the rotation at any angle or a pre-set angle, in a plane where a display screen is located, of the display terminal.
Patent WO-2019184602-A1 (WO)
Inventor: CHENG JIAO
IPC: H04M1/02
Filed: 2019-02-01
Abstract: The embodiments of the disclosure provide a display assembly and a mobile terminal, relate to a technical field of mobile terminal. The display assembly includes a display screen and a positioning member. The display screen may include a display panel and a backlight module. The backlight module may include a base plate. The display screen defines a light transmitting hole at least penetrating through the backlight module, the light transmitting hole is configured for accommodate the functional device. The positioning member is formed on a side of the base plate facing away from the display panel and located at a periphery of the light transmitting hole.
Patent WO-2020082661-A1 (WO)
Inventor: QIN XU
IPC: G09F9/30
Filed: 2019-03-04
Abstract: L'invention concerne un panneau d'affichage (1) et un dispositif d'affichage (3). Le panneau d'affichage (1) comprend : une première région de pixel (11) et une seconde région de pixel (12), qui sont adjacentes, le nombre de pixels (13) dans chaque rangée dans la première région de pixel (11) étant supérieur au nombre de pixels (13) dans chaque rangée dans la seconde région de pixel (12) ; des premières lignes de signal (14) s'étendant dans une direction de rangée (X) ; et des secondes lignes de signal (15) s'étendant dans la direction de colonne (Y), le degré de chevauchement des premières lignes de signal (14) et des secondes lignes de signal (15) dans la seconde région de pixel (12) étant supérieur ou égal au degré de chevauchement des premières lignes de signal (14) et des secondes lignes de signal (15) dans la première région de pixel (11), ce qui peut améliorer l'effet d'affichage du panneau d'affichage.
Patent WO-2020177096-A1 (WO)
Title: Touch controller, related chip, touch control system, and touch control method
Inventor: CHOU HSIN-JUI
IPC: G06F3/044
Filed: 2019-03-06
Abstract: Disclosed is a touch controller (16), for use in determining the position on a touchscreen touched by a user, where the touchscreen comprises a first transmitting electrode, a second transmitting electrode, and a receiving electrode. The touch controller comprises: a signal generating module (12), used for forward-phase coding at a first time to allow the receiving electrode to correspondingly generate a forward-phase coding received signal, and for reverse-phase coding at a second time to allow the receiving electrode to correspondingly generate a reverse-phase coding received signal; and a demodulation module (14), used for determining, on the basis of the forward-phase coding received signal corresponding to the first time and of the reverse-phase coding received signal corresponding to the second time, the position on the touchscreen touched by the user.
Patent WO-2020199001-A1 (WO)
Title: Information transmission method, information transmission device, and communication system
Inventor: YANG XIANJUN
IPC: H04W72/10
Filed: 2019-03-29
Abstract: The present application provides an information transmission method, an information transmission device, and a communication system. In the information transmission device, an MAC layer determines whether or not to carry out a later instruction having a higher priority, or a physical layer determines whether or not to transmit data or a scheduling request for said higher-priority service. Thus, even if uplink resources of various services are in conflict, the device can still meet delay and/or reliability requirements of higher-priority services while protecting the transmission of lower-priority services.
Patent WO-2020118974-A1 (WO)
Title: Octahydrocoumarine substituée et procédé pour sa préparation
Inventor: HUANG ZHANAO
IPC: C07D311/74
Filed: 2019-03-29
Abstract: L'invention concerne une octahydrocoumarine substituée, caractérisée en ce que l'octahydrocoumarine substituée est l'octahydro-5,7,7-triméthyl-2H-1-benzopyran-2-one, comme montré dans la formule (VI). Dans l'invention, l'octahydrocoumarine substituée est l'octahydro-5,7,7-triméthyl-2H-1-benzopyran-2-one. L'invention concerne également un procédé de préparation associé. L'invention concerne une nouvelle octahydrocoumarine substituée, qui fournit de nouvelles options industrielles pour le domaine des octahydrocoumarines substituées. La triméthyloctahydrocoumarine (VI) a la saveur de grains de tonka frais, est sucrée comme des noix de coco, a une odeur végétale sucrée et a un parfum chaud et piquant et un long temps de maintien de parfum.
Patent WO-2020199071-A1 (WO)
Title: 一种小区间干扰协调方法、装置及服务器
Inventor: JIN XING
IPC: H04W72/04
Filed: 2019-04-01
Abstract: 本申请提供了一种小区间干扰协调方法、装置及服务器，方法包括：确定边缘用户终端的最强干扰邻区，并确定最强干扰邻区所使用的频域资源；从边缘用户终端所属小区预先分配到的频域资源中，确定出与最强干扰邻区所使用的频域资源的重叠度不超过预设重叠度的频域资源，作为目标频域资源；将边缘用户终端所使用的频域资源调整为目标频域资源。在本申请中，通过以上方式可以降低最强干扰邻区对边缘用户终端的干扰，明显提高干扰协调的效果。
Patent WO-2019192458-A1 (WO)
Title: Communication method and apparatus
Inventor: HU XINGXING
IPC: H04W76/19
Filed: 2019-04-02
Abstract: Embodiments of the present application provide a communication method and apparatus. The method comprises: acquiring a number of retransmissions of a first data packet, wherein the first data packet is an RLC data unit; and if the number of retransmissions of the first data packet is greater than or equal to a maximum number of retransmissions, determining, according to a first logical channel, whether an RRC connection reestablishment condition is met, wherein the first logical channel is a logical channel carrying the first data packet. When the number of retransmissions of a first data packet is greater than or equal to a maximum number of retransmissions, a terminal can further determine whether to request an RRC connection reestablishment to a network device according to whether a first logical channel meets an RRC connection reestablishment condition. In this way the terminal is prevented from requesting an RRC connection reestablishment to the network device once the number of retransmissions of the first data packet is greater than or equal to the maximum number of retransmissions, reducing the number of times an RRC connection has to be reestablished, and reducing the number and durations of interruptions of a service of the terminal, improving communication quality.
Patent WO-2020057109-A1 (WO)
Inventor: WEI XUDONG
IPC: H01L21/02
Filed: 2019-04-10
Abstract: Provided by the present invention are a controllable rapid cooling system and method for a semiconductor wafer in a vacuum cavity; the controllable rapid cooling system for a semiconductor wafer in a vacuum cavity comprises: a vacuum cavity, the vacuum cavity comprising a cavity housing and a vacuum accommodating chamber located within the cavity housing, an opening that communicates with the vacuum accommodating chamber being formed on the cavity housing; a heater, that is located within the vacuum cavity and that is used for placing a structure to be processed and heating the structure to be processed, the structure to be processed at least comprising a wafer to be processed; an annular adjustable support structure, that is inserted into the vacuum cavity and that is pressed onto the structure to be processed; a cooling system, that is at least partially located within the annular adjustable support structure. The controllable rapid cooling system for a semiconductor wafer in a vacuum cavity as described by the present invention may quickly cool a structure to be cooled within the vacuum cavity without affecting the normal operation of the vacuum cavity; and the cooling rate may be flexibly adjusted according to needs.
Patent WO-2019218854-A1 (WO)
Inventor: ZHU WENXIANG
IPC: H01R13/66
Filed: 2019-04-26
Abstract: 本公开实施例提供一种数据线及其驱动方法，该数据线包括：用于连接适配器的第一端口、用于连接移动终端的第二端口、控制模块、第一开关模块以及第二开关模块；所述控制模块用于在确定第二端口未接入移动终端时，在第一引脚输出第一脉冲信号、在第二引脚输出第一控制信号以及在第三引脚输出第二控制信号；第一开关模块用于在第一控制信号的控制下，将第一脉冲信号传输至第二端口；第二开关模块用于在第二控制信号的控制下，断开第一端口和第二端口之间的电连接。
Patent WO-2020052240-A1 (WO)
Title: Led packaging structure
Inventor: LIN JINTIAN
IPC: H01L33/62
Filed: 2019-04-26
Abstract: Provided is an LED packaging structure, comprising an LED support, an LED chip, a metal wire and a packaging glue, the metal wire being provided with a first end and a second end, the first end being provided with a first solder ball, the second end being provided with a second solder ball, the metal wire comprising a first section extending and bending from the first solder ball towards a side of the LED chip, a second section extending from the second solder ball towards the LED chip, and an intermediate section connecting the first section and the second section, a central portion of the first section arching towards the direction away from the LED chip. The first section of the metal wire is arranged in a bending and extending manner, the second section of the metal wire extends towards the LED chip, and the intermediate section connects the first section and the second section, so as to effectively prevent pulling of the metal wire when the packaging glue separates from the bottom of the LED support in special environments (such as high temperature, high humidity or cold/hot environments), and thereby avoid the phenomena of shortened LED packaging structure service life and dead light, and effectively improve LED packaging structure reliability.
Patent WO-2020048148-A1 (WO)
Title: Surface defect measurement method based on spectral confocal sensor
Inventor: JU BINGFENG
IPC: G01N21/88
Filed: 2019-05-08
Abstract: A surface defect measurement method based on a spectral confocal sensor, and an apparatus therefor. The measurement method comprises: mounting a plane mirror on an angular displacement stage, setting the tilt angle of the plane mirror (101), adjusting the distance between a spectral confocal sensor and the plane mirror (102), completing acquisition of spectral peak intensity data at the set tilt angle (103), and adjusting the angular displacement stage to obtain a different tilt angle, until acquisition of spectral peak intensity data at all specified tilt angles is completed (104); constructing a "steepness-distance-spectral peak intensity" characteristic curve (105); scanning and measuring a workpiece to be measured (106), and acquiring spectral peak intensity data of light reflected back from the surface of the workpiece to be measured (107), calculating the reflectivity of the measured point by the spectral peak intensity data in combination with the "steepness-distance-spectral peak intensity" characteristic curve (108); setting a reflectivity threshold, and identifying an area having an abrupt change in reflectivity by the set reflectivity threshold (110), to distinguish a defect area from a normal area, and completing defect locating and contour extraction (111). The measurement method provides a new method for the detection of surface defects of optical elements by establishing a mathematical model between the spectral peak intensity and the surface reflectivity and locating surface defects by means of the reflectivity.
Patent WO-2020232734-A1 (WO)
Inventor: WANG QIANG
IPC: C12N1/13
Filed: 2019-05-29
Abstract: 提供一种使不产毒微藻产生微囊藻毒素的方法，及通过该方法得到的可产生微囊藻毒素的微藻。该方法使用生物合成的方法，从无机物开始合成微囊藻毒素。
Patent WO-2019233408-A1 (WO)
Title: Control method for electronic device, electronic device, computer-readable storage medium
Inventor: ZHANG HAIPING
IPC: H04M1/02
Filed: 2019-06-04
Abstract: A control method for an electronic device, an electronic device and a computer-readable storage medium are provided. The electronic device includes a transparent display screen and an infrared sensor. The transparent display screen includes a display area. The infrared sensor is stacked below the display area. The infrared sensor is configured to emit infrared light and receive infrared light reflected by an object to detect a distance between the object and the electronic device. The control method includes: acquiring an ambient brightness of the electronic device when the infrared sensor is turned on; determining whether the ambient brightness is less than a preset brightness, and controlling the infrared sensor to operate at a first predetermined power in a case that the ambient brightness is less than the preset brightness. The first predetermined power is less than a rated power of the infrared sensor.
Patent WO-2020257960-A1 (WO)
Inventor: CHIEN HUNG-CHANG
IPC: H04B10/25
Filed: 2019-06-24
Abstract: Methods, systems and devices for high-rate optical communication systems are described. One method for optical communication includes using a first encoding process to generate a first plurality of encoded symbols based on a plurality of information symbols; using a second encoding process to generate a second plurality of encoded symbols based on the first plurality of encoded symbols; and generating, based on the second plurality of encoded symbols, a waveform for optical transmission, wherein the second encoding process comprises: (i) a binary forward error correction (FEC) code and a two-dimensional (2D) symbol mapping, or (ii) a non-binary FEC code and the 2D symbol mapping, or (iii) the non-binary FEC code and a four-dimensional (4D) symbol mapping.
Patent WO-2020258116-A1 (WO)
Inventor: CHEN LIN
IPC: H01L27/115
Filed: 2019-06-27
Abstract: A semiconductor device includes a stack structure (202) having a plurality of insulating layers and a plurality of conductor layers arranged alternatively over a substrate (201) along a vertical direction. The semiconductor device also includes a marking pattern having a plurality of interleaved layers of different materials over the substrate (201) and neighboring the stack structure (202). The marking pattern includes a central marking structure (206-0) located in a marking area (208), the central marking structure (206-0) dividing the marking area (208) into a first marking sub-area farther from the stack structure (202) and a second marking sub-area closer to the stack structure (202), a first pattern density of the first marking sub-area being higher than or equal to a second pattern density of the second marking sub-area.
Patent WO-2020029711-A1 (WO)
Title: Display panel, driving method thereof, and display apparatus
Inventor: DONG TIAN
IPC: G09G3/3266
Filed: 2019-06-28
Abstract: A display panel, which may include a pixel unit group and a scanning circuit (130). The pixel unit group may include a first pixel unit (P1) and a second pixel unit (P2). The scanning circuit (130) may include a first scan signal terminal (OUT1) and a second scan signal terminal (OUT2). The first scan signal terminal (OUT1) may be configured to simultaneously provide a same gate signal to the first pixel unit (P1) and the second pixel unit (P2), and/or the second scan signal terminal (OUT2) may be configured to simultaneously provide a same light emitting control signal to the first pixel unit (P1) and the second pixel unit (P2).
Patent WO-2020258262-A1 (WO)
Inventor: ZHANG JIAHAO
IPC: H01L27/32
Filed: 2019-06-28
Abstract: A display panel and a preparation method therefor, and a display apparatus. The display panel comprises a display array layer (100), a first optical structural layer (200) and a first shielding pattern (300). The display array layer (100) comprises a first sub-display region (101), and a second sub-display region (102) at least partially surrounded by the first sub-display region (101), wherein the second sub-display region (102) is configured to allow environmental light to pass through same. The first optical structural layer (200) is located at a display side of the display array layer (100). The first shielding pattern (300) is located at a side, facing the display array layer (100), of the first optical structural layer (200), and the first shielding pattern (300) at least partially surrounds the second sub-display region (102) and leaves at least part of the second sub-display region (102) exposed.
Patent WO-2020015685-A1 (WO)
Title: Switching power supply and charger
Inventor: LU NINGYUAN
IPC: H02M3/335
Filed: 2019-07-17
Abstract: The present invention relates to a switching power supply and a charger, the switching power supply including: a PCB board, a first filter, a rectifier bridge circuit, a PWM controller, a switching device, a transformer, a feedback circuit and a second filter. The first filter is suitable for filtering; the rectifier bridge circuit is suitable for rectification; the PWM controller is suitable for controlling the current flowing through the transformer; the transformer has a thickness that does not exceed a preset thickness threshold, has a magnetic circuit that is not lower than a preset magnetic circuit threshold, and is suitable for outputting a stepped-down voltage to the second filter when the switching device is turned off; the second filter is suitable for rectification and filtering; the feedback circuit is suitable for sampling the deviated direct current voltage and feeding same back to the PWM controller; and the PWM controller is further suitable for outputting a PWM signal having a corresponding duty ratio to the switching device until the second filter outputs a direct current voltage of a preset magnitude. The solution above can be used to reduce the volume of the power supply and improve the efficiency of the whole machine product.
Patent WO-2020168685-A1 (WO)
Title: Three-dimensional scanning viewpoint planning method, device, and computer readable storage medium
Inventor: LIU XIAOLI
IPC: G06F17/50
Filed: 2019-07-26
Abstract: Disclosed in the embodiments of the present invention are a three-dimensional scanning viewpoint planning method, a device and a computer readable storage medium. After a low-precision digitalized model of an object to be scanned is acquired, viewpoint planning calculation is performed, on the basis of a viewpoint planning algorithm, on point cloud data in the low-precision digitalized model, and then the positions and line-of-sight directions of a plurality of viewpoints in space are calculated when a three-dimensional sensor needs to perform three-dimensional scanning on said object. Calculating viewpoints of a three-dimensional sensor by means of a viewpoint planning algorithm can effectively improve the accuracy and scientific nature of sensor posture determination, greatly improving the efficiency of viewpoint planning, and reducing the time consumed in the whole three-dimensional measurement process.
Patent WO-2020078064-A1 (WO)
Title: 基于地面纹理图像的导航方法、装置、设备及存储介质
Inventor: WANG YINGCHUN
IPC: G01C21/00
Filed: 2019-07-29
Abstract: 一种基于地面纹理图像方法、装置、设备及存储介质，其中，方法包括：将获取到的当前帧图像与上一帧图像进行基于变换域的图像配准，确定当前帧图像的第一位姿（S110）；判断当前帧图像是否满足创建关键帧图像的预设条件（S120）；响应于当前帧图像满足预设条件的判断结果，将当前帧图像作为关键帧图像插入地图中，并进行闭环检测，确定回环关键帧图像（S130）；将当前帧图像和回环关键帧图像进行基于变换域的图像配准，确定当前帧图像的第二位姿（S140）；根据当前帧图像的第一位姿和第二位姿，确定累积误差，并根据累积误差修正地图，以便根据修正后的地图进行导航（S150）。
Patent WO-2020030114-A1 (WO)
Inventor: JIN HUAJUN
IPC: H01L29/06
Filed: 2019-08-09
Abstract: La présente invention concerne un dispositif à semi-conducteur ainsi qu'un procédé de fabrication associé. Le dispositif à semi-conducteur comprend : un substrat ; une région de puits (120) disposée dans le substrat, ayant un second type de conductivité ; des régions de source (122) disposées dans la région de puits (120), ayant un premier type de conductivité ; des régions de liaison de corps (124) disposées dans la région de puits (120), ayant le second type de conductivité, les régions de source (122) et les régions de liaison de corps (124) étant disposées en alternance dans le sens de la largeur de canal conducteur de façon à former une première région s'étendant le long du sens de la largeur de canal conducteur, et une limite où les bords des régions de source (122) et les bords des régions de liaison de corps (124) sont agencés en alternance étant formée sur deux côtés de la première région ; et une région auxiliaire conductrice (126) ayant le premier type de conductivité, disposée sur au moins un côté de la première région, et en contact direct avec la limite, une partie de contact comprenant le bord d'au moins une région de source sur la limite et le bord d'au moins une région de liaison de corps sur la limite.
Patent WO-2020035015-A1 (WO)
Title: Systems and methods for selecting training objects
Inventor: VAHDAT ALI
IPC: H04J14/02
Filed: 2019-08-15
Abstract: Methods and systems are described for training a machine learning (ML) model to predict the gain of a target channel of a multi-channel amplifier device. An ML model may be pre-trained using an existing set of training objects. The trained ML model then can be utilized to suggest further useful training objects to be labelled that will improve the performance of the ML model by predicting more accurate target channel gains given the on/off value for the channel inputs.