baber/WOPTO huggingface dataset:
Patent WO-2020038312-A1 (WO)
Title: Multi-channel tongue body edge detection device and method, and storage medium
Inventor: ZHANG GUANJING
IPC: G06T7/13
Filed: 2019-08-19
Abstract: Provided in the present invention are a multi-channel tongue body edge detection device and method, and a storage medium. The method comprises the steps of: obtaining, by using a red area enhancement algorithm, an R-channel gray enhancement image of an RGB image of a tongue body, converting the RGB image into an HSI image and an HSV image respectively, extracting an H-channel gray image from the HSI image, and extracting a V-channel gray image from the HSV image; traversing potential contour points based on a cost function to obtain the optimal initial contour points, and filling all the optimal initial contour points to obtain an initial contour binary image; removing a white area of a V-channel binary image in the initial contour binary image to obtain a final contour binary image; and obtaining final edge point information based on the final contour binary image, and processing the final edge point information by a GVF-snake segmentation algorithm to obtain a final tongue body segmentation image.
By means of the present invention, the initial contour of a tongue image can be effectively extracted, thereby improving the accuracy of tongue image segmentation.
Patent WO-2020125047-A1 (WO)
Inventor: LI DONGSHENG
IPC: G07C9/00
Filed: 2019-08-23
Abstract: 一种红外门禁判断方法，应用于红外门禁设备。红外门禁设备(30, 40)包括M个红外发射单元(301, 402)和M个红外接收单元(302, 403)，M个红外发射单元(301, 402)和M个红外接收单元(302, 403)相应设置，当M个红外接收单元(302, 403)的第j个红外接收单元在没有接收到相应的红外发射单元发送的信号时，发送第j红外触发信号；红外门禁判断方法包括：系统初始化(S101)，判断是否接收到第1个信号(S102)，是则判断第1个信号的类型(S103)，如果为第1红外触发信号，则赋值i＝2，赋值j＝2(S104)；判断是否在第一预设时间内接收到第i个信号(S105)，是则判断第i个信号的类型(S106)，如果第i个信号的类型为第j红外触发信号，如果j≠M，赋值i＝i+1，赋值j＝j+1，并继续判断是否在第一预设时间内接收到第i个信号(S105)，如果j＝M，完成验证(S1010)。
Patent WO-2020038467-A1 (WO)
Title: System and method for indicating entry of personal identification number
Inventor: TSAI HWAI SIAN
IPC: H04M11/00
Filed: 2019-08-23
Abstract: A system to indicate to a user to enter a personal identification number (PIN) on a commercial off the shelf (COTS) device, the system comprising: a secure card reader communicatively coupled to the COTS device, and wherein the secure card reader receives a payment card; a payment application installed on the COTS device; and one or more devices other than the COTS device. The payment application installed on the COTS device transmits one or more prompts to the one or more devices other than the COTS device based on a set of signals received from the secure card reader. The secure card reader transmits the set of signals after the payment card is received at the secure card reader, and the one or more prompts comprise at least one indication to the user to enter the PIN on a display of the COTS device.
Patent WO-2020063239-A1 (WO)
Inventor: ZHU HAOREN
IPC: H04W48/16
Filed: 2019-08-28
Abstract: Disclosed is a method for supervising an unmanned aerial vehicle. The method comprises: an access network device receiving a second broadcast request sent by a core network element, wherein the second broadcast request comprises third management and control information and fourth management and control information for managing and controlling an unmanned aerial vehicle, and the fourth management and control information comprises second area information; and the access network device determining, according to the second area information, a target area requiring broadcasting, and broadcasting the third management and control information to an unmanned aerial vehicle in the target area, wherein the third management and control information is used for instructing the unmanned aerial vehicle to execute a corresponding operation. The present application can supervise unmanned aerial vehicles in the manner of broadcasting, realizing comprehensive and unified supervision over the unmanned aerial vehicles of more types in a larger spatial range, so that difficulty in supervision over an unmanned aerial vehicle is lowered.
Patent WO-2020237909-A1 (WO)
Inventor: CAO CHENG
IPC: C12Q1/70
Filed: 2019-09-16
Abstract: A target applicable to the treatment of Ebola virus disease. Provided is an application of PKA, AKIP1, and/or CREB as a target in the preparation of products having any of the following functions: treating Ebola virus infection, treating Ebola virus disease, inhibiting Ebola virus replication, and inhibiting proliferation of Ebola virus in cells. It proves that PKA inhibitor H89, AKIP1 gene knock-down or knock-out, and CREB inhibitors 666-15 and KG-501 can significantly inhibit proliferation of Ebola virus in cells. The potential of PKA, AKIP1, and CREB as targets in the treatment of Ebola virus is explored, and the present invention provides a new basis of clinical use in the prevention and treatment of Ebola virus.
Patent WO-2020063404-A1 (WO)
Inventor: SHI XIAOLI
IPC: H04W28/08
Filed: 2019-09-17
Abstract: The present application discloses a load balancing method and a device. The method comprises: a first wireless access network node receiving load information of a first load type of a second wireless access network node sent by the second wireless access network node, wherein the first load type comprises one or more of the following: a network slice load, a V2X load, and an SUL load; and the first wireless access network node acquiring the load information of the first load type. The method individually considers the network slice load, the V2X load, and the SUL load, and as a result the approach thereof is more granular than existing load balancing methods. The invention achieves load balancing for a load condition of a certain network slice, a load for a V2X service, or a UL/SUL load condition, and is thereby applicable to load balancing requirements of NR systems or other future systems, and improves load balancing success rate and system efficiency.
Patent WO-2020082973-A1 (WO)
Inventor: HUANG XIN
IPC: G06Q10/04
Filed: 2019-09-25
Abstract: L'invention concerne un procédé et un appareil de prédiction de charge basés sur un réseau neuronal. Le procédé selon l'invention consiste : à recevoir une période de temps à prédire (S202) ; à entrer la période de temps dans un modèle de réseau neuronal pour prédire une charge d'énergie, le modèle de réseau neuronal étant un réseau neuronal à base radiale obtenu au moyen d'un apprentissage basé sur un algorithme d'optimisation par essaim particulaire hybride (S204) ; et à utiliser le modèle de réseau neuronal pour prédire une valeur de charge d'énergie dans la période de temps (S206). Le procédé selon l'invention permet de résoudre le problème technique des antériorités lié à la faible précision lorsqu'un algorithme de prédiction de charge unique est utilisé pour prédire une charge d'énergie.
Patent WO-2020083010-A1 (WO)
Title: Combination of a goggle and a face mask
Inventor: WU ZIQIAN
IPC: A61F9/06
Filed: 2019-09-30
Abstract: An apparatus (100, 1000), comprising: a goggle (200), including a goggle frame (201) and a protective lens (202) installed in the goggle frame (201); a face mask (300) releasably connected to the goggle (200); a detachable pivot-connection structure provided between two lateral sides of the goggle frame (201) and the face mask (300), the detachable pivot-connection structure comprising a pivoting axis substantially parallel to a lateral direction of the goggle frame (201); and a detachable locking structure provided between the goggle frame (210) and the face mask (300), the detachable pivot-connection structure configured to cooperate with the detachable pivot-connection structure to selectively lock the goggle frame (210) and the face mask (300) together.
Patent WO-2021077277-A1 (WO)
Title: Secondary cell dormancy using dormancy profile
Inventor: CHENG PENG
IPC: H04W52/02
Filed: 2019-10-22
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may receive bandwidth part configuration information configuring a dormancy profile for a first bandwidth part of a plurality of bandwidth parts; communicate, on a second bandwidth part, a plurality of types of signaling; and communicate, on the first bandwidth part, a subset of the plurality of types of signaling, such that at least one type of signaling, of the plurality of types of signaling, is suppressed in accordance with the dormancy profile. Numerous other aspects are provided.
Patent WO-2020083348-A1 (WO)
Inventor: LIANG JINYAO
IPC: H04W52/02
Filed: 2019-10-24
Abstract: The present application discloses a bandwidth part configuration method and device, relating to the technical field of communications and capable of reducing time delay. The method comprises: receiving first information from an access network; and determining according to the first information whether a first bandwidth part will be switched from a first state to a second state, wherein one of the first state and the second state is a state indicating that the first bandwidth part enables certain functions, and the other state is a state indicating that the first bandwidth part enables or disables all functions.
Patent WO-2021087691-A1 (WO)
Title: Power control method, transmission resource determination method, device, terminal, and medium
Inventor: ZHAO ZHENSHAN
IPC: H04W4/40
Filed: 2019-11-04
Abstract: The present application relates to the technical field of communications, and discloses a power control method, a transmission resource determination method, a device, a terminal, and a storage medium. The power control method comprises: acquiring power control configuration information; and determining, according to the power control configuration information, whether or not to perform power control during transmission of sidelink data. The present application allows terminals using the same resource pool to all refrain from performing power control, so as to avoid the problem in which, when a terminal using unicast transmission is performing power control on a certain resource, another terminal using broadcast transmission, during listening, determines that said resource is available and thus takes over the resource, thereby causing transmission conflicts.
Patent WO-2020228267-A1 (WO)
Inventor: HWANG TAIJIUN
IPC: G09G3/3225
Filed: 2019-11-07
Abstract: 一种像素驱动电路，包括：有机发光二极管，直流高电位输入至所述有机发光二极管的阳极；第一晶体管，扫描信号输入至所述第一晶体管的控制端，数据信号输入至所述第一晶体管的输入端；第二晶体管；第三晶体管，脉冲信号输入至所述第三晶体管的控制端，侦测信号输入至所述第三晶体管的输入端；以及第四晶体管，控制信号输入至所述第四晶体管的控制端，直流低电位输入至所述第四晶体管的输出端。还提供一种有机发光二极管显示装置。
Patent WO-2020125277-A1 (WO)
Inventor: WANG YONGSHENG
IPC: A61P35/04
Filed: 2019-11-12
Abstract: A genetic engineering modified dual-target chimeric antigen receptor, a host cell for expressing the dual-target antigen receptor, and the use thereof in preventing or treating malignant tumors/solid tumors. With regard to the up-regulated expression of PD-L1 of a tumor cell and an immune cell occurring after the tumor cell is exposed in serous cavity hydrops, provided is a genetic engineering modified dual-target chimeric antigen receptor, and a host cell thereof. The dual-target chimeric antigen receptor is competitively bond to PD-L1 to convert an inhibition signal of PD-L1 into an activated signal, and improve the killing activity of a T cell. Meanwhile, 4-1BB introduced at the downstream of the receptor can promote T cell proliferation and activation.
Patent WO-2021031441-A1 (WO)
Title: Path planning method and system, robot and readable storage medium
Inventor: ZHU SHAOMING
IPC: G01C21/32
Filed: 2019-11-27
Abstract: Provided in the present invention are a path planning method and system, a robot, and a readable storage medium. The method comprises: acquiring an electronic map of a working region of a robot, an obstacle map having known obstacle coordinates being mapped on the electronic map; parsing the electronic map, and if it is determined that there are obstacles in the working region, then acquiring contour lines of the obstacles on the obstacle map; parsing the contour lines of the obstacles, and obtaining at least one extremum feature group on each obstacle, wherein the extremum feature groups are defined as two extremum coordinate points of the contour line of each obstacle with the minimum abscissa and the maximum abscissa on an X-axis, and/or the extremum feature groups are defined as two extremum coordinate points of the contour line of each obstacle with the minimum ordinate and the maximum ordinate on a Y-axis; and dividing the working region at extremum feature points of each obstacle so as to form several sub-working regions. The present invention is beneficial in improving the working efficiency of the robot.
Patent WO-2021102987-A1 (WO)
Title: Appareil et procédé de conversion cc-cc
Inventor: ZHOU LISHEN
IPC: H02M3/335
Filed: 2019-11-29
Abstract: Appareil et procédé de conversion CC-CC. L'appareil comprend : un premier transformateur (102) comprenant un premier enroulement (T1A) sur un côté primaire et un deuxième enroulement (T1B) sur un côté secondaire ; un second transformateur (104) comprenant un troisième enroulement (T2A) sur un côté primaire et un quatrième enroulement (T2B) sur un côté secondaire ; et un dispositif de commande (106) conçu pour : commander un premier courant dans le premier enroulement (T1A) du premier transformateur (102) et un second courant dans le troisième enroulement (T2A) du second transformateur (104) afin qu'ils s'écoulent selon un premier modèle, de telle sorte que le deuxième enroulement (T1B) du premier transformateur (102) et le quatrième enroulement (T2B) du second transformateur (104) sont électriquement couplés en série pour générer une première tension, et commander le premier courant et le second courant afin qu'ils s'écoulent selon un second modèle, de telle sorte que le deuxième enroulement (T1B) du premier transformateur (102) et le quatrième enroulement (T2B) du second transformateur (104) sont électriquement couplés en parallèle pour générer une seconde tension inférieure à la première tension.
Patent WO-2020192170-A1 (WO)
Title: Display backplate and fabricating method thereof, and display apparatus
Inventor: ZHAO DEJIANG
IPC: H01L51/56
Filed: 2019-12-04
Abstract: A method of fabricating a display backplate is disclosed. The method of fabricating the display backplate may include forming a channel layer (200) on a surface of a substrate (100). The channel layer (200) may include a liquid storage portion (210), a plurality of pixel channels (220), and a plurality of moving electrodes (230). Each of the plurality of pixel channels (220) may include a plurality of sub-pixel grooves (221). The method of fabricating the display backplate may further include printing ink droplets (A) into the liquid storage portion (210) and moving the ink droplets (A) into the plurality of sub-pixel grooves (221) by applying a moving voltage to the moving electrodes (230).
Patent WO-2020140678-A1 (WO)
Title: 异常申请检测方法、装置、计算机设备和存储介质
Inventor: MA XINJUN
IPC: G06Q40/02
Filed: 2019-12-05
Abstract: 一种异常申请检测方法，包括：获取申请人的信贷申请数据；根据所述信贷申请数据获取申请人信息以及与所述申请人信息对应的申请特征集；将所述申请特征集输入预设孤立森林模型，通过所述预设孤立森林模型对所述申请特征集内特征进行异常检测，获取所述申请特征集对应的申请评分，所述预设孤立森林模型基于无标记的训练特征集构建；及获取所述申请评分与预设基准值差值的绝对值，当所述差值的绝对值低于预设阈值时，判定所述信贷申请数据对应的申请为异常申请。
Patent WO-2021082209-A1 (WO)
Title: Dispositif à semi-conducteur, son procédé de préparation et équipement électrique associé
Inventor: LAN HAO
IPC: H01L29/06
Filed: 2019-12-13
Abstract: L'invention concerne un dispositif à semi-conducteur, son procédé de préparation et un équipement électrique associé. Le dispositif à semi-conducteur comprend un substrat de silicium, une électrode d'amorçage et une couche isolante. Une électrode émettrice, une électrode de grille et une électrode collectrice sont formées sur le substrat de silicium. L'électrode d'amorçage est formée sur le substrat de silicium. La couche isolante est formée sur le substrat de silicium et est située entre l'électrode émettrice et l'électrode d'amorçage, de telle sorte qu'un condensateur d'amorçage est formé entre l'électrode émettrice et l'électrode d'amorçage. Le dispositif à semi-conducteur de la présente invention est intégré à un condensateur d'amorçage, et il n'est pas nécessaire de connecter en plus le condensateur d'amorçage dans le circuit, ce qui simplifie la structure de circuit.
Patent WO-2020248557-A1 (WO)
Title: 一种软体仿生足式机器人
Inventor: DING LIANG
IPC: B25J9/14
Filed: 2019-12-17
Abstract: 一种软体仿生足式机器人，包括多个软体机械臂(1)，所述软体机械臂设有多个运动单元(11)，每个所述运动单元包括扭转模块(16)、伸长模块(17)、收缩模块(18)和弯曲模块(19)中的一种或多种；多个所述运动单元组合，实现软体机械臂全姿态的运动。通过不同运动单元组成的软体机械臂，实现软体仿生足式机器人在水下的游动、爬行以及其在陆地或斜坡上的爬行，从而适应更加复杂的环境、实现更加丰富的功能；而且运动姿态不再局限于单一的弯曲、扭转、伸长和缩短，软体机械臂可以实现全姿态的运动，其运动形式更加完整。
Patent WO-2020248559-A1 (WO)
Inventor: CHEN GUO PING
IPC: F21K9/20
Filed: 2019-12-17
Abstract: 一种LD激光光源模组，包括LD光源(10)，以及依次设于LD光源(10)出光方向上的反射组件和粉片(6)，LD光源(10)发出的光是蓝光，粉片(6)与LD光源(10)平行设置，且粉片(6)上涂覆有黄色荧光粉，黄色荧光粉与蓝光结合变成白光，反射组件用于将LD光源(10)发出的光反射于粉片(6)上，再经粉片(6)反射出去。LD激光光源模组具有发光功率高、亮度高、清晰度高、发光距离远和体积小的有益效果。
Patent WO-2020143438-A1 (WO)
Inventor: CHEN XUEQIN
IPC: H01L51/54
Filed: 2019-12-23
Abstract: 本发明提供一种OLED显示器件、显示面板、OLED显示器件的制备方法，属于显示技术领域。本发明的OLED显示器件，包括发光层，所述发光层的材料包括主体发光材料和掺杂于所述主体发光材料中的载流子平衡材料；所述载流子平衡材料用于平衡所述发光层的电子迁移速率与空穴迁移速率。
Patent WO-2021031496-A1 (WO)
Inventor: ZHAO GUODONG
IPC: H04R9/06
Filed: 2019-12-26
Abstract: 本发明公开了一种用于发声装置的导电膜以及发声装置。其中，所述的导电膜包括导电层和贴合在所述导电层的两个表面的基材层，所述基材层包括直接与所述导电层贴合的两个第一基材层，所述第一基材层为热塑性弹性体；所述第一基材层通过热压的方式与所述导电层连接在一起。本发明的一个技术效果在于：该导电膜具有导电性，不仅可以作为发声振膜使用，还可以作为支撑振膜使用。
Patent WO-2020140832-A1 (WO)
Title: Procédé et appareil de reconstruction faciale en trois dimensions et dispositif électronique et support d'informations
Inventor: CAO ZHANKUI
IPC: G06K9/00
Filed: 2019-12-26
Abstract: La présente invention concerne un procédé et un appareil de reconstruction faciale en trois dimensions et un dispositif électronique et un support d'informations, ceux-ci appartenant au domaine technique des ordinateurs. Le procédé consiste : à acquérir un modèle facial en trois dimensions initial et une image faciale (S11) ; à réaliser une reconnaissance faciale sur l'image faciale pour obtenir des données de pose faciale (S12) ; en fonction des données de pose faciale, d'un paramètre de projection d'un dispositif collectant l'image faciale et de coordonnées en trois dimensions de chaque sommet du modèle facial en trois dimensions initial, à acquérir des coordonnées en deux dimensions de chaque sommet projeté sur un plan d'imagerie du dispositif lorsque le modèle facial en trois dimensions initial est dans une pose correspondant aux données de pose faciale (S13) ; et à réaliser un traitement de mappage de texture sur le modèle facial en trois dimensions initial en fonction des coordonnées en deux dimensions de chaque sommet et de l'image faciale de manière à obtenir un modèle facial en trois dimensions de l'image faciale (S14). Selon le procédé, un processus de reconstruction est simplifié, la charge de calcul est faible et l'efficacité de la reconstruction faciale en trois dimensions est améliorée.
Patent WO-2020253211-A1 (WO)
Inventor: LIU CHUNFA
IPC: H04M1/02
Filed: 2019-12-30
Abstract: Disclosed are a camera lifting device and an intelligent terminal. The camera lifting device is applied in the intelligent terminal, and comprises: a housing in which an accommodation cavity is formed, and a mounting opening in communication with the accommodation cavity is provided; a drive module comprising a stator and a rotor accommodated in the accommodation cavity, wherein the stator is connected to the housing, and the rotor can reciprocate relative to the stator; and a camera module provided in the accommodation cavity, located at the side in the motion direction of the drive module, and connected to the rotor, wherein the rotor drives the camera module to at least partially stretch out of the mounting opening or hide in the housing. According to the technical solution of the present invention, the camera lifting device has a simple structure, low noise, and long service life while achieving the telescoping function.
Patent WO-2020244227-A1 (WO)
Inventor: XU DAIGUO
IPC: H03M1/46
Filed: 2020-01-07
Abstract: A single-channel time-interleaved sampling-based SAR ADC and a sampling method, the SAR ADC at least comprising: a capacitor array, which comprises a weight capacitor and a compensation capacitor, a first switch array Sn(i), a second switch array S(i), a channel switch group K(i), and a sampling switch S; when in a sampling state: a lower plate of the weight capacitor accesses an input voltage by means of the first switch array, and an upper plate of the capacitor array is connected to a common mode voltage by means of the sampling switch and the channel switch group; and when in a successive approximation state: the lower plate of the weight capacitor is connected to a reference voltage by means of the second switch array. In the method, sampling is performed on input signals by using a unified sampling switch, which solves the problem in the traditional technology in which sampling moments are mismatched due to sampling signals in each time-interleaved channel being different, thus increasing sampling precision, and significantly reducing the complexity of a correction circuit, thereby increasing the sampling speed of an ADC, and having better high-frequency performance compared to traditional technologies.
Patent WO-2021138903-A1 (WO)
Title: Exhaust gas treating device, exhaust gas treating method, and exhaust gas treating agent
Inventor: SU BIN
IPC: B01D53/72
Filed: 2020-01-10
Abstract: An exhaust gas treating device (100), an exhaust gas treating method, and an exhaust gas treating agent. The exhaust gas treating device (100) comprises: an exhaust gas pipe (10), used for introducing exhaust gas and provided with a plurality of injection holes (11); an atomizing mechanism (20), the exhaust gas pipe (10) penetrating through the atomizing mechanism (20), and the atomizing mechanism (20) being used for atomizing the treating agent and injecting the atomized treating agent into the exhaust gas pipe (10) by means of the injection holes (11); and a drying mechanism (30), communicated with the exhaust gas pipe (10), used for drying exhaust gas after undergoing a reaction with the treating agent, and comprising a plurality of drying components (32) each of which comprises a microporous carrier and the treating agent adsorbed on the microporous carrier. The exhaust gas treating method comprises: injecting an atomized treating agent into the exhaust gas, so that the treating agent reacts with the exhaust gas; and introducing the reacted exhaust gas into nanosphere maze drying components (32) for drying, sterilization, and deodorization. The treating agent comprises the following nanoscale materials: noble metal, silicic acid, titanium dioxide, zinc oxide, silicon dioxide, aluminum oxide, magnesium oxide, and an auxiliary.
Patent WO-2020156161-A1 (WO)
Inventor: YANG ZHIFEI
IPC: H03F1/56
Filed: 2020-01-15
Abstract: 一种数字模拟转换器、数字功放子系统、数字功放系统，该数字转换器包括：第一组成支路和第二组成支路，所述第一组成支路包括：串联的第一开关(S1)和第一电流源(IDAC1)，所述第一电流源(IDAC1)包括：第四电阻(RS1)、第一场效应管(M1)、第二场效应管(M2)和第二运算放大器(AMP2)，所述第二组成支路包括：串联的第二开关(S2)和第二电流源(IDAC2)，所述第二电流源(IDAC2)包括：第五电阻(RS2)、第三场效应管(M3)、第四场效应管(M4)和第三运算放大器(AMP3)，从而在应用于数字功放系统时，大大增加了所述数字模拟转换器的等效输出阻抗，降低了所述数字功放系统的电源抑制比。
Patent WO-2020164363-A1 (WO)
Inventor: WANG CHENG
IPC: H04L12/801
Filed: 2020-01-16
Abstract: 本发明公开了一种实时消息总线系统，所述系统包括：多个数据处理终端节点和数据总线模块；各个数据处理终端节点均与所述数据总线模块实时通信连接；所述实时通信连接的时延在毫秒级或微秒级；所述数据总线模块用于对接收到的消息进行实时处理。本发明还公开了一种实时消息处理装置，所述实时消息处理装置基于消息总线进行实时消息处理，包括：实时消息生产者，用于产生实时消息并将实时消息发送至消息分发器；实时消息消费者，用于从消息队列获取实时消息；消息分发器，用于接收实时消息，并将所述实时消息路由至相应的消息队列中以供实时消息消费者使用；消息队列，用于存储实时消息。采用本发明，具有提高消息处理的实时性和可靠性优点。
Patent WO-2021134848-A1 (WO)
Inventor: WANG XIAOCHUN
IPC: F16H48/20
Filed: 2020-01-19
Abstract: 一种具有波形端面的花键，花键的表面具有多个齿，其中花键的表面为连续的周期性曲面，曲面为一阶连续的波形面；并且齿的相邻工作齿面（13，14）之间形成有过渡曲面（17，18），过渡曲面（17，18）是与花键的轴线垂直的圆柱面的单参数包络面。还提供了一种用于制造具有波形端面的花键的方法。具有波形端面的花键轻量、高强度、低成本、易于安装拆卸又适用于高速机械的回转件之间的连接。