baber/WOPTO huggingface dataset:
Patent WO-2022199121-A1 (WO)
Inventor: LAI DONGFENG
IPC: H03K17/96
Filed: 2021-12-06
Abstract: A method and apparatus for adjusting a touch threshold of a key, relating to the field of key control. The method comprises: according to the number of effective keys, an effective touched time of keys to be adjusted, a lower limit value of capacitance threshold update, and an average value of noise capacitances, determining whether to record capacitance values of the keys to be adjusted as first capacitance values; and when the number of the recorded first capacitance values of the keys to be adjusted is greater than a first number threshold, adjusting, according to an average value of the recorded first capacitance values of the keys to be adjusted, a touch threshold of the keys to be adjusted.
Patent WO-2022127874-A1 (WO)
Title: Multi-port shared memory management system and method based on random address
Inventor: XU ZIXUAN
IPC: G06F9/54
Filed: 2021-12-16
Abstract: Provided are a multi-port shared memory management system and method based on a random address. The system manages the data read/write of a shared memory on the basis of a random address, and comprises a shared memory, a multi-level scheduler and a read/write channel control module, wherein the read/write channel control module comprises N read/write request channels; the multi-level scheduler comprises a first-level scheduler, a second- level scheduler, ..., and an Mth- level scheduler, and can schedule, in response to a read/write information request of any read/write request channel, read/write information of the corresponding read/write request channel; the shared memory has a depth of P and a width of W, comprises X sub-physical memories having a depth of P/X and a width of W, and can read/write data in the corresponding sub-physical memories on the basis of the read/write information; M, N and X are all integers; the read information at least comprises a read effective flag bit, a read physical memory serial number and a read address; and the write information at least comprises a write effective flag bit, a write physical memory serial number and a write address.
Patent WO-2022143202-A1 (WO)
Title: 智能设备的控制方法、云服务器、终端设备和存储介质
Inventor: CHEN PENGJU
IPC: H04L12/28
Filed: 2021-12-16
Abstract: 本申请实施例适用于智能家居技术领域，提供一种智能设备的控制方法、云服务器、终端设备和存储介质，适用于用户控制多个智能设备的场景。智能设备的控制方法包括：终端设备获取用户输入的控制信息后，发送给云服务器。云服务器根据控制信息确定用户控制的多个智能设备，将多个智能设备确定为临时设备组，根据控制信息生成针对临时设备组的组控指令，其中，多个智能设备与同一个家庭网关通信，云服务器向家庭网关发送组控指令。由于云服务器将用户控制的多个智能设备确定为一个临时设备组，针对临时设备组生成组控指令，向家庭网关发送一条组控指令，可以实现多个智能设备同时响应，设备状态同时变化。
Patent WO-2022252573-A1 (WO)
Inventor: Wu Rijie
IPC: G06K9/62
Filed: 2021-12-20
Abstract: 本发明公开了一种业务数据的监测方法及装置，包括：获取预设时段内的第一业务数据以及与预设时段关联的历史时段的第二业务数据，其中，第一业务数据和第二业务数据针对同一业务指标，生成表征第一业务数据和第二业务数据的待识别图像，将待识别图像输入至卷积神经网络模型中，确定预设时段内的业务数据在业务指标下的监测结果，卷积神经网络模型是根据具有历史监测结果标签的历史识别图像训练得到的，历史监测结果是根据历史识别图像中第一业务数据与第二业务数据的关系确定的。因卷积神经网络模型融合了各历史时段的业务数据的情况，可以适用于业务数据的全时段的监测，因此实现了动态的对业务数据进行监测，提高业务数据监测的准确性。
Patent WO-2022143686-A1 (WO)
Title: Procédé de transmission de petites données et dispositif associé
Inventor: TSAI HSINHSI
IPC: H04W74/08
Filed: 2021-12-28
Abstract: L'invention concerne un procédé de transmission de petites données (SDT) et un dispositif associé. Dans le procédé, une configuration d'autorisation configurée (CG) pour une transmission SDT, à partir d'une station de base (BS), est reçue. Un ensemble bloc de signal de synchronisation/canal de diffusion physique (SSB) est reçu de la station BS. Une configuration de rapport de mise en correspondance est reçue de la station BS. La configuration de rapport de mise en correspondance indique un nombre de blocs SSB par ressource d'autorisation CG, les blocs SSB sont configurés par l'ensemble de blocs SSB et la ressource d'autorisation CG est configurée par la configuration d'autorisation CG pour une transmission SDT. Une mise en correspondance entre des indices de bloc SSB des blocs SSB et la ressource d'autorisation CG est déterminée sur la base de la configuration de rapport de mise en correspondance et d'un ordre croissant d'indices de la ressource d'autorisation CG.
Patent WO-2022174700-A1 (WO)
Title: 工作量证明的计算装置、asic芯片和工作量证明的计算方法
Inventor: WU XUFENG
IPC: G06F7/485
Filed: 2022-01-12
Abstract: 一种工作量证明的计算装置、芯片和方法，能够提高工作量证明的计算效率。该计算装置包括：N个选择器，分别用于获取N组第一输入量；以及，N个第一压缩器，分别与所述N个选择器连接，所述N个第一压缩器分别用于接收所述N个选择器发送的所述N组第一输入量，以及接收相同的第二输入量，其中，每个第一压缩器用于依次对所述第二输入量和一组第一输入量中的每个第一输入量进行压缩处理，所述N个第一压缩器的压缩处理结果分别用于获取工作量证明结果。
Patent WO-2022152180-A1 (WO)
Title: Procédé et équipement utilisateur pour le faire fonctionner un faisceau
Inventor: YU CHIAHAO
IPC: H04W72/04
Filed: 2022-01-12
Abstract: L'invention concerne un procédé et un équipement utilisateur pour faire fonctionner un faisceau. Le procédé comprend les étapes consistant à : recevoir une configuration RRC pour configurer des premiers états de TCI, des deuxièmes états de TCI ou des troisièmes états de TCI; recevoir un MAC-CE pour activer une première combinaison d'états de TCI comprenant les premiers états de TCI ou une seconde combinaison d'états de TCI comprenant les deuxièmes états de TCI ou les troisièmes états de TCI; mapper la première combinaison d'états de TCI ou la seconde combinaison d'états de TCI sur des points de code d'un champ de TCI dans des DCI; recevoir les DCI pour indiquer les premiers états de TCI, les deuxièmes états TCI ou les troisièmes états de TCI activés par le MAC-CE; transmettre un premier bit HARQ-ACK; transmettre, après avoir déterminé que la valeur de bit dans le champ de planification est valide pour planifier le PDSCH, un second bit HARQ-ACK; et appliquer les premiers états de TCI, les deuxièmes états de TCI ou les troisièmes états de TCI indiqués par les DCI pour la transmission ou la réception.
Patent WO-2023137587-A1 (WO)
Inventor: LIU LEI
IPC: F01M13/02
Filed: 2022-01-18
Abstract: Un système de moteur comprend un moteur, un collecteur d'admission accouplé au moteur et un système de ventilation de carter accouplé au moteur. Un papillon des gaz est disposé à l'intérieur du collecteur d'admission. Le système de ventilation de carter comprend un système de circuit d'écoulement incluant une première entrée et une première sortie. La première entrée est en communication fluidique avec le moteur et conçue pour recevoir un soufflage du moteur. La première sortie est en communication fluidique avec le collecteur d'admission en aval du papillon des gaz.
Patent WO-2022166621-A1 (WO)
Title: Dialog attribution recognition method and apparatus, readable medium and electronic device
Inventor: WU LIN
IPC: G06F17/00
Filed: 2022-01-21
Abstract: The present disclosure relates to a dialog attribution recognition method and apparatus, a readable medium and an electronic device, which relate to the technical field of electronic information processing. The method comprises: determining, from a plurality of sentences comprised in specified total text, first text corresponding to a target dialog sentence and second text corresponding to a target sentence, wherein the target dialog sentence is any dialog sentence among the plurality of sentences, and the target sentence is a sentence, the distance from which to the target dialog sentence meets a preset condition; extracting at least one candidate object comprised in the first text and the second text; determining attribute features corresponding to each candidate object; for each candidate object, inputting, into a pre-trained recognition model, the first text, the second text, the candidate object and the attribute features corresponding to the candidate object, so as to obtain a matching degree, which is output by the recognition model, between the candidate object and the target dialog sentence; and according to the matching degree between each candidate object and the target dialog sentence, determining a target object to which the target dialog sentence is attributed.
Patent WO-2022156802-A1 (WO)
Title: Method for indicating validity of reference signal transmission occasion, and user equipment
Inventor: LEI ZHENZHU
IPC: H04W52/02
Filed: 2022-01-24
Abstract: Provided in the embodiments of the present application are a method for indicating the validity of a reference signal transmission occasion, and a user equipment. The method comprises: receiving a paging early indication (PEI), sent by a network side device, of the current paging cycle, wherein the PEI comprises a first bit field and a second bit field; and if the first bit field is used for indicating that waking up is required, the second bit field is used for indicating that a first reference signal transmission occasion is valid or invalid; or, if the first bit field is used for indicating that waking up is not required, the second bit field is used for indicating that a second reference signal transmission occasion is valid or invalid. In the embodiments of the present application, by means of a second bit field, it is possible to indicate the validity of a reference signal transmission occasion under two scenarios, that is, a UE needs to wake up and does not need to wake up.
Patent WO-2022161426-A1 (WO)
Inventor: WEI XIANRANG
IPC: F16K1/38
Filed: 2022-01-27
Abstract: An electric valve, comprising a valve body. The valve body comprises a valve seat part and a valve core rotor assembly. The valve core rotor assembly comprises a valve shaft assembly, a valve core, a first/second elastic member, and an ejector rod. The valve shaft assembly comprises a valve shaft abutting portion. The valve core passes through the vale shaft assembly and comprises a valve core abutting portion, and the valve core abutting portion can abut against the valve shaft abutting portion. The ejector rod comprises an ejector rod body portion and an ejector rod abutting portion, the ejector rod abutting portion is supported on a second elastic member, and the second elastic member is supported on the valve core. The first elastic member is externally sleeved on the second elastic member. The valve core rotor assembly comprises a first abutting portion. The first elastic member abuts against the first abutting portion and the valve core. The valve shaft assembly comprises a channel portion, and the ejector rod body portion protrudes from the channel portion. The valve body comprises a limiting portion. The valve seat part comprises an internal thread portion, the valve shaft assembly comprises an external thread portion, and when the internal thread portion and the external thread portion are not threadedly jointed, the elastic force of the second elastic member on the valve shaft assembly can enables the internal thread portion and the external thread portion to be threadedly jointed again.
Patent WO-2022161469-A1 (WO)
Inventor: TONG YOUZHI
IPC: C07D413/06
Filed: 2022-01-28
Abstract: 本发明涉及一种硫代乙内酰脲药物用中间体及其制备方法与用途，具体公开了式(I)化合物及其多种制备方法，并首次采用式(I)化合物与式(V)化合物经关环反应制备如式(VI)所示的硫代乙内酰脲药物。
Patent WO-2022267483-A1 (WO)
Inventor: Duan Zepeng
IPC: H02P7/29
Filed: 2022-01-30
Abstract: A control method for a direct-current motor, comprising: determining a target rotating speed of a direct-current motor (S101); when the target rotating speed is greater than a maximum rotating speed of the direct-current motor capable of being directly started, determining a target duty ratio corresponding to the target rotating speed according to a correspondence between the rotating speed of the direct-current motor and a duty ratio of a pulse width modulation signal (S102); starting the direct-current motor, enabling the rotating speed of the direct-current motor to reach the maximum rotating speed of the direct-current motor capable of being directly started, and according to a correspondence between the duty ratio of the pulse width modulation signal and the working time of the direct-current motor, adjusting the duty ratio of the pulse width modulation signal in real time (S103); and when the duty ratio of the obtained current pulse width modulation signal is adjusted to be equal to the target duty ratio, maintaining the current pulse width modulation signal, so that the rotating speed of the direct-current motor reaches the target rotating speed (S104).
Patent WO-2022174769-A1 (WO)
Inventor: ZHANG KAI
IPC: H04N19/70
Filed: 2022-02-16
Abstract: A mechanism for processing video data is disclosed. An Unsymmetric Binary Tree (UBT) partition of a parent block is determined to create two sub-blocks with different dimensions. At least one of the sub-blocks comprises a side that is non-dyadic. A conversion is performed between a visual media data and a bitstream based on the sub-blocks.
Patent WO-2022218033-A1 (WO)
Inventor: ZHOU LIJING
IPC: H04L9/30
Filed: 2022-02-22
Abstract: 一种数据处理的方法和装置，该方法，包括：主节点获取N个加密隐私数据并确定N个加密随机数据；主节点将每个加密随机数据和每个加密隐私数据分别划分成P个第一分片和P个第二分片，再将每个加密随机数据中的P个第一分片和每个加密隐私数据中的P个第二分片分别发送给P个计算节点，每个计算节点接收N个第一分片和N个第二分片；主节点分别向P个计算节点发送目标任务，使得P个计算节点使用预设的计算方式对接收的第一分片和第二分片进行计算，得到目标结果分片；主节点根据接收的P个计算节点的目标结果分片，确定目标结果数据。该方法可保证在不泄露加密隐私数据下，使得完成目标任务所需要的通信轮数较少，从而可以高效完成目标任务。
Patent WO-2023133970-A1 (WO)
Title: Semiconductor structure and fabrication method therefor
Inventor: WANG LUGUANG
IPC: H01L23/538
Filed: 2022-02-24
Abstract: Embodiments of the present disclosure relate to the field of semiconductors, and provide a semiconductor structure and a fabrication method therefor. The semiconductor structure comprises: a first substrate (110) having a first surface, a conductive column (101) being provided in the first substrate (110), the first surface being provided with a first recess (112), and the first recess (112) exposing the top surface and part of the side wall of the conductive column (101); a second substrate (120) having a second surface, the first surface and the second surface being bonded, the second surface being provided with a second recess (122), an electrical connection column (103) being provided in the second substrate (120), the electrical connection column (103) being located in the second recess (122), and the electrical connection column (103) protruding from the second surface. An electrical connection structure (104) and part of the electrical connection column (103) are embedded in the first recess (112), and the electrical connection structure (104) at least surrounds a part of the conductive column (101) exposed by the first recess (112) and a part of the electrical connection column (103) embedded in the first recess (112).
Patent WO-2022227830-A1 (WO)
Inventor: LIU ZHIGUANG
IPC: D21B1/36
Filed: 2022-02-25
Abstract: 一种生物基聚氨酯包膜控释肥及其制备方法。包括如下步骤：向密闭装置内通入饱和水蒸气，使农作物秸秆在高温高压下裂解，瞬间减压，破碎秸秆，完成爆破；清洗爆破后物料，去除不参与成膜的水溶性离子及小分子有机物；对预处理后物料采用酸催化剂预液化，再用加氢催化剂提质，使生物油中羰基化合物转化为醇类物质；将提质后的生物油与异氰酸酯反应喷涂于肥料表面，制得生物基聚氨酯包膜控释肥。该方法解决了秸秆结构和成分复杂，液化产物杂质含量高，与异氰酸酯反应交联度差，形成的聚氨酯亲水性强等问题，所制备的控释肥的养分控释性能优异。
Patent WO-2023035571-A1 (WO)
Title: 埃沙西林酮及其中间体的合成方法
Inventor: RUAN JING
IPC: C07D207/34
Filed: 2022-03-13
Abstract: 本发明提供了一种新的埃沙西林酮中间体的合成方法。该方法包括：(1)将原料2-(三氟甲基)苯乙酸在惰性溶剂中，碱存在条件下，与氯甲酸乙酯或氯甲酸异丁酯反应生成混合酸酐，而后再与氨反应得到相应的酰胺化合物式Ⅱ；(2)步骤(1)得到的酰胺化合物式Ⅱ在脱水剂和缚酸剂存在条件下经脱水反应制备得到异腈化合物式Ⅲ；(3)步骤(2)得到的异腈化合物式Ⅲ与2-丁炔酸乙酯在碱和金属催化剂存在条件下环化形成吡咯环化合物式Ⅳ；反应式如下所示：相对于现有技术，本发明的技术方案具有收率高，后处理简单，成本低，易于工业化等优点。
Patent WO-2022199575-A1 (WO)
Inventor: EKAMBARAM VIJAY
IPC: G06F15/16
Filed: 2022-03-22
Abstract: A processor may be configured to perform operations that include computing a benefit-to-resource score for a dataset and selecting an autoencoder architecture based on the benefit-to-resource score. The autoencoder architecture may balance minimizing reconstruction loss with minimizing required storage space based on the benefit-to-resource score. The operations performed by the processor may further include transforming the dataset into transformed data with a transformation function based on the autoencoder architecture and storing the transformed data in a user space.
Patent WO-2022206640-A1 (WO)
Inventor: HE YISONG
IPC: H04M1/02
Filed: 2022-03-26
Abstract: 本申请提供一种电子设备，包括后盖、处理器、电路板和柔性电路板。后盖包括液晶材料层和非黑色油墨层，非黑色油墨层位于液晶材料层的内侧，处理器、电路板和柔性电路板均位于后盖的内侧，处理器安装于电路板，且与电路板电连接，柔性电路板的一端电连接电路板，另一端电连接后盖。本申请所示电子设备中，后盖的外观效果是可变的，可满足用户的外观要求。
Patent WO-2023273457-A1 (WO)
Title: 测量血压的装置与方法
Inventor: FU XIAOYU
IPC: A61B5/021
Filed: 2022-03-30
Abstract: 本申请提供了一种测量血压的装置与方法，该装置包括处理器101、第一测量组件102与第二测量组件103，第一测量组件102，用于采集用户的血压值；第二测量组件103，用于采集用户的PPG信号；处理器101，用于控制第一测量组件102采集用户的N组血压值，并控制第二测量组件103采集与N组血压值相对应的N组PPG信号，根据N组血压值和N组PPG信号生成目标模型，目标模型的输入为PPG信号，输出为血压值，在目标模型生成后，控制第二测量组件103采集用户的第一PPG信号，根据目标模型和第一PPG信号确定第一血压值。该装置能够在对用户的血压值进行测量时，提高测量结果的准确性，且操作简便。
Patent WO-2022206929-A1 (WO)
Inventor: LI DI
IPC: A61P35/00
Filed: 2022-03-31
Abstract: 一种含有化学式1所示结构的化合物、其药学上可接受的盐、其溶剂合物、其药学上可接受的盐的溶剂合物、或、其晶型的应用，特别是在制备靶向ErbB2突变体的抑制药物中的应用。所提供的化合物对ErbB2突变体具有抑制活性，能够有效抑制ErbB2突变肿瘤细胞的增殖。
Patent WO-2023010886-A1 (WO)
Inventor: ZHANG DENGYIN
IPC: G06V40/20
Filed: 2022-04-14
Abstract: 本发明公开了一种室内非接触式人体活动识别方法及系统，包括：利用天线阵列采集室内的反射信号；对反射信号滤波处理得到去除噪声后的反射信号；输入到预先训练好的人体活动识别模型，确定人体活动类别，所述人体活动识别模型为预先训练好的基于迁移学习算法的CNN网络模型。优点：使用天线阵列采集人的动作，在室内进行活动识别，可以应用于居家养老的场景；对原始数据进行降噪，能够去除大部分的高频噪声，并且保留信号的相位变化；采用CNN结构进行训练旨在降低系统复杂性，同时利用迁移学习的思想，赋予该系统单独学习的能力，并将从一个位置获得的知识用于其他位置。最终达到了使用尽可能少的数据来实现高精度的位置无关感知的目的。
Patent WO-2023206320-A1 (WO)
Inventor: WEI XIA
IPC: H02J7/00
Filed: 2022-04-29
Abstract: A power system, comprising a power-supply device having an output, the power-supply device being configured to provide output power to the output of the power-supply device, and control circuitry configured to receive voltage information indicative of a voltage of a battery, determine that the voltage of the battery is above a first voltage threshold, activate a shutdown signal responsive to determining that the voltage of the battery is above the first voltage threshold, determine that the voltage of the battery is below a second voltage threshold, the second voltage threshold being less than the first voltage threshold, control the power-supply device to disable the output power to the output of the power-supply device responsive to determining that the voltage of the battery is below the second voltage threshold and that the shutdown signal is activated, and control the power-supply device to provide the output power to the output of the power-supply device responsive to determining that the voltage of the battery is below the second voltage threshold and that the shutdown signal is not activated.
Patent WO-2023220917-A1 (WO)
Title: Micro light-emitting device, method for manufacturing same, and display panel
Inventor: LIU TUNGKAI
IPC: H01L33/50
Filed: 2022-05-17
Abstract: Disclosed in the embodiments of the present application are a micro light-emitting device, a method for manufacturing same, and a display panel. The micro light-emitting device disclosed in the embodiments of the present application comprises: a micro light-emitting diode chip; and a color conversion filling structure, which is arranged on the micro light-emitting diode chip, a plurality of dispersed nanopores being formed in the color conversion filling structure, at least a part of the nanopores among the plurality of nanopores being communicated with each other so as to form an accommodating cavity used for accommodating a color conversion material, and the accommodating cavity extending to the end of the color conversion filling structure far away from the micro light-emitting diode chip. The micro light-emitting device, the method for manufacturing same, and the display panel disclosed in the embodiments of the present application have the characteristics of simple manufacturing process and low production cost.
Patent WO-2023071163-A1 (WO)
Inventor: HUANG PENG
IPC: G06F17/11
Filed: 2022-05-24
Abstract: The present invention provides a partial differential equation solving method based on a non-volatile memory array, comprising converting a partial differential equation to be solved into a corresponding iteration relational expression; selecting from a iteration coefficient matrix a sub-matrix unit that can be multiplexed, and storing the sub-matrix unit in a non-volatile memory array; extracting an input vector from an iteration solution vector, inputting the input vector into the non-volatile memory array, updating a part of the iteration solution vector after adding a corresponding part of a constant vector to an obtained output vector, extracting an input vector from the updated iteration solution vector again, and inputting the input vector into the non-volatile memory array until all elements of the iteration solution vector are updated, so as to obtain an iteration solution vector participating in the next iteration operation; and ending an iteration operation when a preset number of iterations is reached or an error is smaller than a preset range.
Patent WO-2023236088-A1 (WO)
Title: Multi-stage filtering device for producing aromatic solvent
Inventor: TAN YONG
IPC: B01D29/56
Filed: 2022-06-08
Abstract: A multi-stage filtering device for producing an aromatic solvent, the device comprising a first fixing box (1), wherein a first box body (2) is fixedly connected to the bottom of the first fixing box; the bottom of the first box body (2) is fixedly connected to a second box body (3); the bottom of the second box body (3) is fixedly connected to a second fixing box (4); two electric motors (5) are respectively fixedly connected to the top of an inner wall of the first fixing box (1) and the bottom of an inner wall of the second fixing box (4); a first vertical rod (6) and a second vertical rod (7) are respectively fixedly connected to one end of an output shaft of each of the two electric motors (5); a first stirring member (8) and a second stirring member (9) are respectively fixedly connected to an outer surface of the first vertical rod (6) and an outer surface of the second vertical rod (7); a first filter screen (10) is fixedly connected between two sides of an inner wall of the second box body (3); a bottom plate (11) is fixedly connected to the bottom of the second fixing box (4); a connecting box (12) is fixedly connected to a side of the top of the bottom plate (11); and a second filter screen (13) is fixedly connected between two sides of an inner wall of the connecting box (12).
Patent WO-2023045404-A1 (WO)
Inventor: WANG SEN
IPC: H04N7/18
Filed: 2022-06-08
Abstract: L'invention concerne un appareil électroluminescent périodique à étages multiples pour un éclairage agricole et un procédé d'éclairage associé, l'appareil électroluminescent périodique à étages multiples comprenant : un dispositif de culture (1) pour transporter ou recevoir des produits agricoles, et un dispositif d'éclairage (21) pour fournir un éclairage aux produits agricoles cultivés dans le dispositif de culture (1). Le dispositif d'éclairage (21) comprend une première partie d'éclairage (21a) réalisée sous la forme d'une source de lumière linéaire qui est conçue pour, lorsqu'elle est entraînée par un composant rotatif, effectuer un balayage dynamique sur les produits agricoles cultivés dans le dispositif de culture (1). Des zones de culture espacées sont définies dans le dispositif de culture (1) pour les produits agricoles, de telle sorte que la première partie d'éclairage (21a) fournisse un éclairage recouvrant les zones de culture comprenant les produits agricoles tout en réalisant le balayage dynamique.
Patent WO-2023240520-A1 (WO)
Inventor: WANG JIE
IPC: E05B15/00
Filed: 2022-06-16
Abstract: Mécanisme d'embrayage (30) et verrou électronique (100) doté du mécanisme d'embrayage (30). Le mécanisme d'embrayage (30) comprend : une broche d'embrayage (31) placée sur un élément parmi un premier élément d'embrayage (10) et un second élément d'embrayage (20) ; et une piste d'embrayage (32) placée sur l'autre élément parmi le premier élément d'embrayage (10) et le second élément d'embrayage (20) autour de l'axe, la piste d'embrayage (32) ayant au moins un point d'accouplement (321, 323) et une section de désaccouplement (322). La broche d'embrayage (31) fonctionne conjointement avec la piste d'embrayage (32) et peut se déplacer par rapport à la piste d'embrayage (32) vers ledit point d'accouplement (321, 323) et la section de désaccouplement (322). Lorsqu'elle est située au niveau dudit point d'accouplement (321, 323), la broche d'embrayage (31) relie le second élément d'embrayage (20) au premier élément d'embrayage (10). Lorsque la broche d'embrayage (31) est située au niveau de la section de désaccouplement (322), le second élément d'embrayage (20) est désaccouplé du premier élément d'embrayage (10).