baber/WOPTO huggingface dataset:
Patent WO-2021104532-A1 (WO)
Inventor: SHAO CHANGLUN
IPC: A61P35/00
Filed: 2020-12-28
Abstract: Provided are a Brefeldin A derivative as represented in formula (I) and a use thereof in inhibiting the activities of tumor proliferation. The compound has substantial effect in the prevention and treatment of hyperproliferation diseases, including liver cancer, leukemia, breast cancer, colon adenocarcinoma, lung cancer, Barrett's esophageal cancer, gastric cancer, cervical cancer, pancreatic cancer, kidney cancer, endometrial cancer, nasopharyngeal carcinoma, bone cancer, lymphatic cancer, brain cancer, neuroendocrine cancer, oral cancer, and colon and rectum cancer, and has the potential to be developed as an anti-tumor medication.
Patent WO-2022140983-A1 (WO)
Title: 液晶显示面板及其制作方法、显示装置
Inventor: LI BOWEN
IPC: G02F1/1335
Filed: 2020-12-28
Abstract: 一种液晶显示面板（1），包括：第一偏振片（11）；与第一偏振片（11）相对设置的第二偏振片（12），第一偏振片（11）的透过轴与第二偏振片（12）的透过轴垂直；设置于第一偏振片（11）和第二偏振片（12）之间的液晶层（13），液晶层（13）中包括第一液晶分子（133'），第一液晶分子（133'）的光轴在第一偏振片（11）上的正投影与第一偏振片（11）的透过轴或第二偏振片（12）的透过轴平行；第一光学补偿层（14），设置于第一偏振片（11）与液晶层（13）之间或第二偏振片（12）与液晶层（13）之间；其中，第一光学补偿层（14）的光轴在第一偏振片（11）上的正投影与第一液晶分子（133'）的光轴在第一偏振片（11）上的正投影垂直；第二光学补偿层（15），设置于第一光学补偿层（14）与液晶层（13）之间或第一光学补偿层（14）远离液晶层（13）的一侧，第二光学补偿层（15）的光轴与第二光学补偿层（15）所在平面垂直。
Patent WO-2022141290-A1 (WO)
Inventor: MU QIN
IPC: H04L1/00
Filed: 2020-12-30
Abstract: 一种参数确定方法、参数确定装置及存储介质被公开。其中，参数确定方法，包括：确定第一搜索空间，所述第一搜索空间中包括的最大控制信道单元CCE聚合程度大于第一聚合程度阈值。通过上述方法可以确定更高的CCE聚合程度，以达到更好的广播PDCCH的覆盖增强效果。
Patent WO-2021155739-A1 (WO)
Inventor: SUN JUNSHUAI
IPC: H04W76/10
Filed: 2021-01-14
Abstract: Provided are an access layer IP packet processing method, apparatus and device. The access layer IP packet processing method is applied to a user plane function entity at layer 3 of an access layer. The method comprises: a user plane function entity at layer 3 of an access layer receiving an IP packet from an IP packet entity, and sending same to at least one function entity at layer 2 of the access layer; or receiving a data packet or a control packet sent by the function entity at layer 2 of the access layer, and sending same to the IP packet entity, wherein the user plane function entity at layer 3 of the access layer, the IP packet entity and the function entity at layer 2 of the access layer are function entities of a terminal side or function entities of a network device.
Patent WO-2022134247-A1 (WO)
Title: Method for transmitting data, method for receiving data, and communication apparatus
Inventor: YU YAWEI
IPC: H04W72/04
Filed: 2021-01-15
Abstract: The present application provides a method for transmitting data, a method for receiving data, and a communication apparatus. The method for transmitting data may comprise: receiving instruction information for instructing to repeatedly transmit a data block N times on N time-domain units; and in the case that a time-domain unit among the N time-domain units meets a certain condition, transmitting the data block on the time-domain unit. For example, the number of continuous time-domain symbols available on the time-domain unit for transmitting the data block is large enough; or, time-domain symbols available on the time-domain unit for transmitting the data block are discontinuous but the total number of time-domain symbols available on the time-domain unit for transmitting the data block is sufficient. The present application is flexible in the requirements for time-domain units for repeated transmissions and can be applicable to many communication scenarios, such that the number of repeated transmissions can be ensured as much as possible, and the probability of occurrence of an actual number of repeated transmissions being less than a configured number of repeated transmissions is reduced, and thus the transmission performance is improved.
Patent WO-2022151414-A1 (WO)
Inventor: LIU XIANDA
IPC: H04W72/04
Filed: 2021-01-15
Abstract: 本申请提供了一种指示方法、终端设备和无线接入网设备，使能节省终端设备接收的下行控制信息DCI字段中预编码指示信息和传输功率控制指示信息的信令开销。该指示方法包括：终端设备接收SRS资源指示信息SRI，所述SRI包括的索引值属于第一索引值集合，所述第一索引值集合中包括第一索引值和第二索引值，所述第一索引值和所述第二索引值对应相同的多个SRS资源，并且所述第一索引值和所述第二索引值对应的待调整功率的SRS资源集合不同；所述终端设备根据所述SRI发送物理上行共享信道PUSCH数据。
Patent WO-2022147869-A1 (WO)
Inventor: XU LAN
IPC: D01D5/00
Filed: 2021-02-01
Abstract: An electrostatic spinning apparatus capable of in-batch preparation of nanofibers having a core-shell structure, comprising a liquid storage tank (1), a first gear (2) provided in the liquid storage tank, a second gear (6) in transmission connection with the first gear by means of a chain (5), a liquid supply driving mechanism for driving the second gear to rotate, a high-voltage power supply (3) connected to the second gear, and a receiving mechanism (7), an electrostatic field being formed between the second gear and the receiving mechanism. The second gear comprises perforated tip portions, and the tip portions mesh with the chain; the chain performs transmission and passes through the liquid storage tank so that a shell-layer spinning solution is stored in pitches of the chain; and when the pitches containing the shell-layer spinning solution move to the perforated tip portions and mesh with the perforated tip portions, a plurality of similar coaxial spinneret structures are formed, and the shell-layer spinning solution and a core-layer spinning solution are drawn into filaments under the effect of the electrostatic field so as to form fibers having a core-shell structure until the fibers are received by the receiving mechanism. The electrostatic spinning apparatus can improve the continuity and stability of spinning, and increase the spinning efficiency and yield.
Patent WO-2021169811-A1 (WO)
Title: 特效生成方法、装置、系统、设备和存储介质
Inventor: ZHOU LIANG
IPC: G06F8/34
Filed: 2021-02-09
Abstract: 一种特效生成方法、装置、系统、设备和存储介质，特效生成方法包括：接收客户端发送的包含特效ID的特效请求（S201），根据特效ID获取特效的特效类型和所需的素材资源（S202）；获取客户端的版本信息（S203）；根据版本信息在特效类型所包含的多个特效模型中确定出目标特效模型（S204）；将目标特效模型和素材资源发送至客户端生成特效（S205）。
Patent WO-2021185265-A1 (WO)
Inventor: FU LING
IPC: A61K9/20
Filed: 2021-03-17
Abstract: 一种肽酰胺类化合物(化合物A)的口服药物组合物。还涉及制备所述口服药物组合物的方法，和所述口服药物组合物在制备治疗与κ阿片样物质受体相关的疾病或病况的药物中的用途。
Patent WO-2022016925-A1 (WO)
Title: Neural network computing device
Inventor: JIANG WEN
IPC: G06F12/0802
Filed: 2021-04-20
Abstract: A neural network computing device, comprising a system control module, a computing module, a bus control interface module and a dynamic cache module; the system control module is in communication connection with the computing module, the bus control interface module is in communication connection with the computing module and the dynamic cache module respectively, and the neural network computing device is in communication connection with an external storage module by means of the bus control interface module; and the dynamic cache module stores source image pixel point data read from the external storage module. If the source image pixel point data needs to be reused during a computing process, the data merely needs to be read from the dynamic cache module, and as the time for reading data from the external storage module is far longer than the time for reading data from an internal dynamic cache module, the device can read the source image pixel point data from the internal dynamic cache module, thereby reducing the need to read data from external storage, facilitating increasing the computing efficiency and reducing the requirements for data bandwidth.
Patent WO-2022236668-A1 (WO)
Inventor: PEI JIHONG
IPC: G06V10/82
Filed: 2021-05-11
Abstract: 本发明公开了一种行人重识别方法、系统、电子装置及存储介质，方法包括：数据准备，数据包括用于特征提取网络的训练数据集和测试数据集，训练数据集和测试数据集具有不同的查询集及候选集，查询集包括查询行人序列，候选集包括候选行人序列；利用训练数据集对特征提取网络进行预训练及微调；利用特征提取网络对测试数据集内的测试数据进行特征提取，并对提取的特征进行维数简约，得到图像特征；对测试数据的图像特征进行相似性度量，得到最匹配的候选行人；输出最匹配的候选行人。本申请能够充分利用序列中所有的图像信息，避免特征融合带来的问题，在行人序列重识别任务中性能取得显著的提升。
Patent WO-2022241722-A1 (WO)
Title: 一种空调出风口、空调系统及车辆
Inventor: Gan Chengli
IPC: F24F13/15
Filed: 2021-05-20
Abstract: 公开了一种空调出风口、空调系统及车辆。该空调出风口包括：壳体（10）、第一叶片组（20）、第二叶片组（30）和风向调节组件。第一叶片组（20）包括至少一个第一导风叶片（201）。第一导风叶片（201）具有相对的第一侧边和第二侧边，第一侧边和第二侧边分别与壳体（10）铰接。第二叶片组（30）包括至少一个第二导风叶片（301）。第二导风叶片（301）具有相对的第一端和第二端，第一端和第二端分别与壳体（10）铰接。风向调节组件包括拨钮（40），拨钮（40）包括第一连接部（401）和第二连接部（402），第一连接部（401）与第一导风叶片（201）连接，第二连接部（402）与第二导风叶片（301）通过齿轮机构连接。该结构零件数量少、结构简单、对布置空间要求低，大大简化了空调出风口的结构，节约开发成本以及减少开发周期。
Patent WO-2022266840-A1 (WO)
Inventor: WANG TAO
IPC: A61K47/06
Filed: 2021-06-22
Abstract: 益生菌微胶囊，包含菌芯和包覆菌芯的外壳，其中菌芯包含一种或多种益生菌，外壳包含聚多巴胺内壳层和羧甲基纤维素钠-明胶聚合物外壳层，聚多巴胺内壳层包覆菌芯，羧甲基纤维素钠-明胶聚合物外壳层在聚多巴胺内壳层之外并包覆聚多巴胺内壳层。本发明的益生菌微胶囊耐酸、耐胆盐，耐消化酶，具有提高的益生菌稳定性以及益生菌黏附性，具有增强的益生菌肠道定植效果，能够实现短链脂肪酸的肠道内原位高效产生，达到降低血糖的目的。
Patent WO-2022012313-A1 (WO)
Title: Under-display ultrasound blood dynamic performance sensing
Inventor: PI BO
IPC: A61B5/00
Filed: 2021-06-28
Abstract: Blood dynamic performance (BDP) sensing is provided using under-display ultrasonic sensors integrated within display panel arrangements of portable electronic devices (100, 200, 400). For example, a BDP sensing system (130) is integrated in a portable electronic device (100, 200, 400) to include at least a sensor array (140) of ultrasonic transducers disposed below the display screen (220) and a BDP sensor control circuit (150). The BDP sensor control circuit (150) can direct the sensor array (140) to transmit ultrasonic waves through a sensing region of the display screen (220) at an object (240, e.g., a finger) and receive a reflected-back portion of the ultrasonic waves, and generate ultrasonic signals corresponding to the received portion of the ultrasonic waves. A processor (110) can generate BDP output information based on the ultrasonic signals to indicate dynamic performance of blood flowing through at least one of the structures of the object (e.g., heart rate measurements, blood pressure measurements, etc. )
Patent WO-2022002196-A1 (WO)
Title: Probe card for high-temperature high-voltage test of power device
Inventor: ZHAO LIANGYU
IPC: G01R1/073
Filed: 2021-07-01
Abstract: A probe card for a high-temperature high-voltage test of a power device, relating to the technical field of semiconductor device tests. The probe card is sequentially provided with an air inlet system (1), a PCB (2), a transfer layer (3), a guide plate (4), and a probe (5) from top to bottom; a plurality of lower air outlets (1-1) and side air outlets (1-2) are formed at the bottom of the air inlet system (1); first through holes (2-1) having the same position, shape and number as the lower air outlet holes (1-1) are distributed on the PCB (2); second through holes (3-1) having the same position, shape and number as the lower air outlet holes (1-1) are distributed on the transfer layer (3); third through holes (4-1) having the same position, shape and number as the lower air outlet holes (1-1) are distributed on the guide plate (4); the lower air outlet holes (1-1), the first through holes (2-1), the second through holes (3-1), and the third through holes (4-1) are coaxially arranged; high-temperature high-pressure gas jetted from the lower air outlet holes (1-1) sequentially passes through the first through holes (2-1), the second through holes (3-1), and the third through holes (4-1) and then is blown between the guide plate (4) and a tested wafer (6). According to the present invention, abnormal discharge between the probes (5) in a high-voltage environment and buckling deformation of the probe card and position drift of the probe (5) in a high-temperature environment can be suppressed at the same time.
Patent WO-2022007787-A1 (WO)
Inventor: HUA LUYAN
IPC: H04N5/235
Filed: 2021-07-06
Abstract: Selon divers modes de réalisation, la présente invention divulgue un procédé et un appareil de traitement d'image, un dispositif et un support. Le procédé comprend les étapes consistant à : obtenir un modèle de source de lumière d'une image cible ; et traiter une région de source de lumière de l'image cible selon le modèle de source de lumière.
Patent WO-2023000133-A1 (WO)
Inventor: WU SONG
IPC: H04N19/42
Filed: 2021-07-19
Abstract: The present application discloses an Internet livestreaming system, the Internet livestreaming system comprising: an audio and video encoder; a mobile hotspot, the audio and video encoder being connected to the Internet by means of the mobile hotspot; an audio and video decoder; and a router, the audio and video decoder being connected to the Internet by means of the router; the audio and video encoder is used to, by means of the Internet, transmit livestream data to the audio and video decoder. The Internet livestreaming system in the present application, by means of the Internet, directly implements direct point-to-point livestreaming between an audio and video encoder and an audio and video decoder, and the livestreaming process does not depend on a third-party livestreaming platform, thus the Internet livestreaming system is simple and efficient.
Patent WO-2023000269-A1 (WO)
Title: Configuring listen before talk and short control signaling in unlicensed spectrum
Inventor: NIU HUANING
IPC: H04L41/0803
Filed: 2021-07-22
Abstract: This disclosure relates to techniques for configuring listen before talk and short control signaling in unlicensed spectrum in a wireless communication system. A wireless device may establish a wireless link with a cellular base station on a cell in unlicensed spectrum. The wireless device may receive listen-before-talk configuration information, where the listen-before-talk configuration information indicates whether listen-before-talk is configured for the wireless link. The wireless device may receive short control signaling configuration information, where the short control signaling configuration information indicates whether short control signaling is enabled for one or more types of control signaling. The wireless device may perform short control signaling with the cellular base station on the wireless link when short control signaling is enabled. The short control signaling performed between the cellular base station and the wireless device may include either or both of uplink transmissions or downlink transmissions.
Patent WO-2023010283-A1 (WO)
Inventor: LIANG TIEYI
IPC: H02J7/00
Filed: 2021-08-03
Abstract: L'invention concerne un dispositif de charge pour dispositif pouvant être porté et un ensemble dispositif pouvant être porté. Le dispositif de charge comprend : un module de source d'alimentation ; un dispositif de commande qui est en communication avec le module de source d'alimentation ; un chargeur de commutateur connecté électriquement au module de source d'alimentation et conçu pour recevoir une sortie de tension provenant du module de source d'alimentation et fournir une sortie de tension pour charger une batterie dans le dispositif pouvant être porté par l'intermédiaire d'une connexion électrique entre le dispositif de charge et le dispositif pouvant être porté. L'ensemble dispositif pouvant être porté comprend : un dispositif de charge ; un dispositif pouvant être porté comprenant une batterie, le dispositif de charge étant conçu pour charger la batterie du dispositif pouvant être porté par l'intermédiaire d'une connexion électrique entre le dispositif de charge et le dispositif pouvant être porté.
Patent WO-2022241965-A1 (WO)
Inventor: LI LONG
IPC: A47C7/46
Filed: 2021-08-23
Abstract: 一种座椅架及座椅，座椅架利用腰靠组件(3)对人体腰背进行支撑，利用脚部凳榻组件(4)对人体腿部及脚部进行支撑，同时当腰靠组件(3)展开时，在支撑二杆(322)的带动下，支撑一杆(321)的第二端能以支撑一杆(321)的第一端与支撑二杆(322)的连接点为转动中心朝向脚部凳榻组件(4)的方向摆动，以增大腰靠支架(31)与坐垫支架(1)之间的夹角，即增大了靠背打开的角度，实现零重力效果。本座椅通过应用上述座椅架，提高了座椅舒适度。
Patent WO-2022052813-A1 (WO)
Title: Floating power plant and bearing apparatus thereof
Inventor: YANG CHENGLIN
IPC: H02S10/00
Filed: 2021-08-26
Abstract: A floating power plant and a bearing apparatus thereof. The bearing apparatus comprises support assemblies and operation/maintenance passages composed of a plurality of operation/maintenance floating bodies (3) arranged in sequence. Two adjacent operation/maintenance passages are connected by the support assemblies, the support assemblies are provided with electrical device installation positions (1-1) for installing electrical devices, and the electrical devices are installed at the electrical device installation positions (1-1) of the support assemblies. The installation of electrical devices is not affected by the distance between two adjacent operation/maintenance passages, thereby improving the versatility of the bearing apparatus.
Patent WO-2023035134-A1 (WO)
Inventor: LI QIAOYU
IPC: H04W4/90
Filed: 2021-09-08
Abstract: Un UE peut identifier un premier ensemble de ressources conservées d'un ou de plusieurs ensembles de ressources conservées. Un dispositif embarqué dans un aéronef peut identifier un premier ensemble de ressources conservées des un ou plusieurs ensembles de ressources conservées. Le premier ensemble de ressources conservées peut être associé à un point de départ de domaine temporel, à une durée de domaine temporel et à une attribution de ressources dans le domaine fréquentiel. L'UE peut transmettre, à un dispositif embarqué dans un aéronef et le dispositif embarqué dans un aéronef peut recevoir à partir de l'UE, sur au moins une partie du premier ensemble de ressources conservées, un signal de synchronisation et un premier message de charge utile. Le premier message de charge utile peut comporter un premier message d'urgence et peut être transmis et reçu par l'intermédiaire d'un élément parmi un premier PUSCH, un premier PSSCH ou un PSCCH. Le dispositif embarqué dans un aéronef peut transmettre, à une station de base ou à un autre dispositif embarqué dans un aéronef, au moins le premier message d'urgence.
Patent WO-2023039877-A1 (WO)
Title: Positive electrode material, electrochemical device, and electronic device
Inventor: LIU XIAOLANG
IPC: H01M4/58
Filed: 2021-09-18
Abstract: The present application relates to a positive electrode material, an electrochemical device, and an electronic device. The positive electrode material comprises composite particles, the composite particles comprising lithium fluoride and a transition metal fluoride, wherein the molar ratio x of the lithium fluoride to the transition metal fluoride satisfies 0<x≤0.135. The positive electrode material is simple in preparation process, low in device requirement, high in yield and easy to realize scale production; and when the positive electrode material is used for an electrochemical device, the charging and discharging performance and the cycling stability of the electrochemical device can be effectively improved.
Patent WO-2023050151-A1 (WO)
Inventor: GUO SHENGXIANG
IPC: H04L5/00
Filed: 2021-09-29
Abstract: 本公开实施例公开了一种资源配置方法、装置及存储介质，该方法由网络侧设备执行，该方法，包括：接收终端上报的天线能力；其中，所述天线能力包括：发射最大层数大于两层；根据所述终端上报的包括发射最大层数大于两层的天线能力，向所述终端配置至少一个探测参考信号SRS资源集合。通过这种方式，终端上报的天线能力包括发射最大层数大于两层，网络侧设备可以为其配置SRS资源集合，从而能够提升上行传输的性能。
Patent WO-2022100411-A1 (WO)
Title: 一种tsn网络转发时间特性的测量方法及终端
Inventor: FENG JINGBIN
IPC: H04L43/08
Filed: 2021-10-22
Abstract: 本发明公开了一种TSN网络转发时间特性的测量方法及终端，所述方法包括：记录同一个报文经过TSN设备内部预设个数的关键处理点的实际时间戳；收集预设个数时间戳并保存，同时发送给TSN控制平面；将预设个数时间戳与预期时间戳进行比较，根据比较结果得到实际时间与预期时间的差异。本发明通过精确测量TSN网络转发时间特性，根据测量结果来检测TSN网络功能是否正常，评估TSN网络性能，并进一步调整和优化TSN网络的业务路径转发时间计算。
Patent WO-2022089335-A1 (WO)
Inventor: LYU YONGXIA
IPC: H04L5/00
Filed: 2021-10-22
Abstract: Embodiments of the present application relate to the technical field of communications, and provide a communication method, apparatus, and system. The present application can solve the technical problem that when a network device configures multiple radio resource control (RRC) parameters to a terminal device, a full set of values of each RRC parameter needs to be sent to the terminal device, causing that the overhead of RRC signaling is larger, the storage overhead of the terminal device is larger, and the power consumption of the terminal device is also larger. The method comprises: the terminal device determines a first value candidate set, wherein the first value candidate set corresponds to a terminal type of the terminal device, and comprises a value candidate set of RRC parameters corresponding to the terminal type; the terminal device receives a first value from the network device, the first value comprising a set of RRC parameter values in the first value candidate set; and the terminal device performs communication according to the first value.
Patent WO-2022134870-A1 (WO)
Inventor: REZNICEK ALEXANDER
IPC: H01L27/24
Filed: 2021-11-02
Abstract: L'invention concerne un dispositif de mémoire, et un procédé de fabrication de celui-ci, comprenant un élément de mémoire vive résistive relié électriquement à une région de base extrinsèque d'un transistor à jonction bipolaire, la région de base extrinsèque du transistor à jonction bipolaire étant constituée d'un matériau à croissance épitaxiale qui forme l'électrode inférieure de l'élément de mémoire vive résistive. De plus, un procédé d'écriture sur le dispositif de mémoire comprend l'application d'une première tension sur une ligne de mots du dispositif de mémoire pour former un filament dans l'élément de mémoire vive résistive. Une deuxième tension ayant une polarité opposée à la première tension peut être appliquée à la ligne de mots pour retirer une portion du filament dans l'élément de mémoire vive résistive.
Patent WO-2022193689-A1 (WO)
Inventor: ZHANG YI
IPC: G01N33/74
Filed: 2021-11-11
Abstract: 一种雌激素的时间分辨荧光、显色双信号试纸条及其制备方法与应用，雌激素为具有酚羟基、雌激素效应的雌激素化合物以及类雌激素化合物，包括雌二醇、雌三醇、雌酮、双酚A、己烯雌酚、炔雌醇等。雌激素的时间分辨荧光、显色双信号试纸条基于免疫识别和荧光共振能量转移原理，以雌激素-牛血清蛋白-长余辉粒子为荧光供体并将其固定在试纸检测区，以雌激素单克隆抗体修饰的胶体金为荧光受体，以智能手机拍照方式获得时间分辨荧光照片，试纸检测区的时间分辨荧光强度与雌激素含量呈正相关，显色强度与雌激素含量呈负相关，建立了雌激素的竞争型时间分辨荧光、显色双信号免疫层析试纸条，可对具有羟基、雌激素效应的雌激素以及类雌激素进行准确快速的检测。
Patent WO-2022116817-A1 (WO)
Inventor: Jiang haode
IPC: H01H25/06
Filed: 2021-11-17
Abstract: Les modes de réalisation de la présente invention concernent un mécanisme de déchargement de force de clé rotative, ainsi qu'un dispositif électronique. Le mécanisme de déchargement de force de clé rotative comprend une clé, un tube de bourdon et un capuchon de couvercle ; le capuchon de couvercle est mobile axialement par rapport au tube de bourdon, et le capuchon de couvercle et le tube de bourdon sont reliés au moyen d'un élément élastique axialement rétractable ; une partie tige de la clé passe à travers le tube de bourdon et le capuchon de couvercle, de telle sorte que l'élément élastique est comprimé lorsque le capuchon de couvercle est pressé par un capuchon de clé de la clé ; et la partie tige de la clé comporte un élément de limitation pour empêcher la séparation, et lorsqu'aucune force axiale n'est appliquée sur la clé, aucune force d'interaction n'existe entre l'élément de limitation et le tube de bourdon. Lorsque la clé est déplacée axialement sous l'effet d'une force de pression, le capuchon de clé de la clé presse le capuchon de couvercle, le capuchon de couvercle comprime l'élément élastique, et une force de réaction de l'élément élastique amène la clé à revenir ; et si aucune force externe n'est appliquée sur la clé, au fur et à mesure que la force de l'élément élastique agit sur le capuchon de couvercle et qu'aucune force de pression n'est générée entre un ressort à encliquetage et le tube de bourdon, lorsque la clé est mise en rotation, aucune force de frottement n'est générée entre le ressort à encliquetage fixé sur la clé et le tube de bourdon, évitant ainsi l'apparition d'un son anormal pendant la rotation, et la durée de vie de la structure n'étant pas affectée.