baber/WOPTO huggingface dataset:
Patent WO-2019011137-A1 (WO)
Title: Low-frequency radiation unit gasket and dual-polarized base station antenna
Inventor: LI BORU
IPC: H01Q1/12
Filed: 2018-06-29
Abstract: Disclosed in the present invention is a low-frequency radiation unit gasket applicable to connection between a bottom of a low-frequency radiation unit and a reflecting plate. The bottom of the low-frequency radiation unit is provided with a plurality of first lug bosses; each of the first lug bosses is provided with a first through hole through which a fastening piece passes; and the reflecting plate is provided with a plurality of third through holes. The low-frequency radiation unit gasket comprises an insulating body. The top of the insulating body is provided with a plurality of concave parts for nesting the first lug bosses; and the bottom of each of the concave parts is provided with a second through hole extending through the insulating body. The bottom of the insulating body is provided with third lug bosses corresponding to the concave parts; the third lug bosses are used for nesting in the third through holes; and the second through holes extend through the third lug bosses. The top of the insulating body is further provided with a low-frequency radiation unit connector for connecting the low-frequency radiation unit; and the top of the insulating body is further provided with a reflecting plate connector for connecting the reflecting plate. The invention is convenient to install, and has good insulating effect.
Patent WO-2019223096-A1 (WO)
Title: Pixel electrode preparation method, pixel electrode, and display panel
Inventor: MENG XIAOLONG
IPC: G02F1/1343
Filed: 2018-07-26
Abstract: A pixel electrode, comprising: a substrate (10), and a plurality of branch electrodes (A, B) provided on a pixel region of the substrate (10). The plurality of branch electrodes (A, B) comprises first branch electrodes (A) and second branch electrodes (B) which are alternately provided; the first branch electrodes (A) comprise a first transparent conductive layer (203) and a first transparent metal oxide layer (303) which are sequentially stacked on the substrate (10); the second branch electrodes (B) comprise a second transparent conductive layer (202) and a second transparent metal oxide layer (304) which are sequentially stacked on the substrate (10). The pixel electrode is high in permeability and resolution. Also provided are a display panel and a method for manufacturing the pixel electrode. The method is simple and efficient, low in costs, and applicable to large-scale industrial production.
Patent WO-2020019288-A1 (WO)
Title: Filter assembly, mounting structure thereof and liquid inlet pipe assembly
Inventor: JIAN GUANGYU
IPC: B01D35/02
Filed: 2018-07-27
Abstract: Disclosed are filter assemblies (2, 2A) for a clutch master cylinder, a mounting structure of the filter assemblies (2, 2A) and a liquid inlet pipe assembly containing the filter assemblies (2, 2A). The filter assemblies (2, 2A) comprises a mounting portion and a filter portion, which are formed in an integral cylinder shape, wherein the mounting portion is arranged at one side in the axial direction of the filter portion, and the filter portion comprises: first filter screens (232, 232A), which are formed in a cylinder shape and are connected with the mounting portion; and second filter screens (233, 233A), which are formed in a flat shape and serve as the bottom of the first filter screens (232, 232A) at the other side in the axial direction away from the mounting portion.
Patent WO-2020019360-A1 (WO)
Inventor: CHENG XIUHUA
IPC: E04F15/02
Filed: 2018-08-01
Abstract: 一种板材，包括从下至上依次相连的底面层（6）、基层（5）、发泡层（8）、实心层（3）、彩膜层（2）和耐磨层（1）；其中，板材两端分别设有配套的锁扣（7）和槽（4），锁扣（7）位于发泡层（8）外侧，材质与发泡层（8）相同，槽（4）位于基层（5）和实心层（3）之间。与现有技术相比，其具有良好的耐磨、防湿和阻火性能。
Patent WO-2019114294-A1 (WO)
Title: 图像编解码方法、装置、系统及存储介质
Inventor: ZHU CE
IPC: H04N19/122
Filed: 2018-08-07
Abstract: 本申请提供一种图像编解码方法、装置、系统及存储介质，该方法包括：确定当前待编码图像块的目标重建图像块的位置信息，其中，目标重建图像块是用于确定当前待编码图像块的运动信息的重建图像块；根据目标重建图像块的位置信息，确定第一变换核组；根据第一变换核组，对当前待编码图像块的残差信号进行变换，得到变换系数。从而降低编码复杂度，提高编码效率。
Patent WO-2019029581-A1 (WO)
Title: Control method for quality of service flow and related device
Inventor: WU YIZHUANG
IPC: H04W36/00
Filed: 2018-08-08
Abstract: Disclosed are a control method for a quality of service flow and a related device, comprising: an access network node receives a first message transmitted by an access and mobility management functional entity, the first message comprising a first identity and a reflective quality of service mechanism indicator, the first identity being used for identifying a quality of service flow; and, the access network node transmits, on the basis of the reflective quality of service mechanism indicator, a first packet carrying the first identity or a second identity, the second identity corresponding to the first identity. The employment of embodiments of the present application saves air interface resources.
Patent WO-2019037685-A1 (WO)
Title: Quic service control method and network apparatus
Inventor: WEI ANNI
IPC: H04L29/06
Filed: 2018-08-20
Abstract: Embodiments of the present invention relate to a QUIC service control method, a network apparatus and an intermediate entity. The method comprises: a first network apparatus receiving a public key of an intermediate entity from the intermediate entity; and the first network apparatus sending to the intermediate entity an interactive frame encrypted using the public key of the intermediate entity, wherein the interactive frame carries interaction information of the first network apparatus for the intermediate entity, the interaction information instructs the intermediate entity to perform QUIC service control according to the interaction information, the QUIC service is a service carried out between the first network apparatus and a second network apparatus through the intermediate entity. The embodiments of the present invention achieve transmission optimization of QUIC services.
Patent WO-2020034307-A1 (WO)
Title: Four-zone module machine
Inventor: YANG BANGHE
IPC: H05K3/00
Filed: 2018-09-21
Abstract: The present invention relates to the technical field of PCB processing equipment. Disclosed is a four-zone module machine, comprising a left Y-axis assembly, a middle Y-axis assembly, a right Y-axis assembly, X-axis crossbeams, and a dual-rail plate conveying assembly. The left Y-axis assembly, the middle Y-axis assembly, and the right Y-axis assembly all comprise Y-axis slide rails arranged in a Y-axis direction. Multiple X-axis crossbeams are slidably arranged between the Y-axis slide rail of the left Y-axis assembly and the Y-axis slide rail of the middle Y-axis assembly, and multiple X-axis crossbeams are slidably arranged between the Y-axis slide rail of the right Y-axis assembly and the Y-axis slide rail of the middle Y-axis assembly. Each X-axis crossbeam is equipped with a Z-axis manipulator assembly. The dual-rail plate conveying assembly is disposed at a position below the left Y-axis assembly, the middle Y-axis assembly, and the right Y-axis assembly. The present invention can simultaneously process multiple PCBs, thereby the processing efficiency of the PCBs, and improving the production speed of the PCBs.
Patent WO-2020061843-A1 (WO)
Inventor: LI GUORONG
IPC: H04W36/00
Filed: 2018-09-26
Abstract: The present application provides a method and apparatus for determining the effect-taking time of a configuration in a multi-connection scenario, and a communication system. The apparatus is provided on at least one of network devices participating in multi-connection, and comprises: a first transmitting unit that transmits the effect-taking time of a configuration of the network device to a terminal device; and a first application unit that enables the network device to apply the configuration at the effect-taking time. According to the present application, at least one of network devices participating in multi-connection transmits the effect-taking time of a configuration to a terminal device, thereby facilitating coincidence of the times for applying the configuration between the terminal device and the network device in the multi-connection.
Patent WO-2019169865-A1 (WO)
Inventor: ZHOU ZHENGPING
IPC: G03B21/14
Filed: 2018-10-16
Abstract: A locking unit, and a dustproof component, and a projector device. The locking unit comprises a fixing support (2), a cover plate (1) with which the fixing support (2) is covered, and a fastener (3) and an elastic part (4) provided on the fixing support (2). An accommodating space is defined between the cover plate (1) and the fixing support (2); a slot (11) matching the fastener (3) is formed on the cover plate (1); the fastener (3) is able to push the elastic part (4) to be elastically deformed along the direction of cover plate (1), so as to be locked with or separated from the slot (11). When a push force is axially exerted to the right end of the fastener (3), the elastic part (4) can be compressed subtly, so that a hook (32) on the fastener (3) moves to the left side and passes through the slot (11) on the cover plate (1), and then the exerted force is withdrawn to make the fastener (3) return to the original position under an elastic recovery force, thereby achieving assembly of the locking unit. Disassembly can easily be achieved by merely exerting an axial force on the fastener (3). The entire structure not only achieves firm stability after assembly, but also has high flexibility in disassembly and assembly.
Patent WO-2019085866-A1 (WO)
Inventor: WANG HAIXIA
IPC: B29C45/14
Filed: 2018-10-29
Abstract: 一种外壳及其制备方法和电子产品，外壳包括玻璃盖板、塑胶框体和金属基材边框，玻璃盖板、塑胶框体和金属基材边框依次无台阶相结合；玻璃盖板的一侧表面上形成有复合涂层，复合涂层由玻璃盖板表面向外方向依次包括隔热层、表面装饰层、PET膜、防爆层，以及保护层。外壳中玻璃盖板与金属基材边框之间无缝、无台阶相结合，玻璃与金属基材间的结合力高、碎屏风险低、防水能力强，而且能够便于壳体形成表面丰富的纹理外观效果。
Patent WO-2020093383-A1 (WO)
Inventor: CHENG JIEFENG
IPC: A47L5/14
Filed: 2018-11-09
Abstract: 一种扫地机器人，包括：底盘（100），射流起尘结构（200），射流起尘结构（200）安装于底盘（100）上，射流起尘结构（200）具有进气口（220）、出气口（230），以及连通进气口（220）和出气口（230）的射流通道（210），进气口（220）供气流进入射流通道（210），出气口（230）位于扫地机器人的地刷吸口（110）的前侧。
Patent WO-2019148935-A1 (WO)
Title: Liquid crystal display panel, preparation method therefor and liquid crystal display device
Inventor: CAO ZIJUN
IPC: G02F1/1335
Filed: 2018-11-14
Abstract: A liquid crystal display panel, a preparation method therefor and a liquid crystal display device. The liquid crystal display panel comprises a light-regulating layer (100); the light-regulating layer (100) is used to absorb yellow light or to emit blue light; the light-regulating layer (100) is located in a peripheral display area (04) within the display area (01) of the liquid crystal display panel; and the peripheral display area (04) is located at the periphery of a middle display area (03) within the display area (01).
Patent WO-2019120054-A1 (WO)
Title: Interactive control method and system, and terminal and storage medium
Inventor: CAO TONGJUN
IPC: H04W76/14
Filed: 2018-11-28
Abstract: Disclosed are an interactive control method and system, and a terminal and a storage medium. The system comprises: a main control terminal and a controlled terminal, wherein the main control terminal is configured to establish a data transmission channel with the controlled terminal after synchronously displaying a current interface received based on wireless screen transmission, to analyze a control operation currently acting on a screen so as to generate a manipulation event, and to send a data packet including the manipulation event to the controlled terminal; and the controlled terminal is configured to receive and parse the data packet so as to obtain the manipulation event, to generate a control event according to the manipulation event and feed the control event back to a virtual input module, and to acquire an operation instruction formed by the virtual input module and respond to an operation corresponding to the operation instruction.
Patent WO-2019105423-A1 (WO)
Inventor: GUAN BORAN
IPC: H01L21/67
Filed: 2018-11-29
Abstract: 一种变轨迹悬空物支撑机构及包含该变轨迹悬空物支撑机构的粗微动台，包括线夹、滑动伸缩杆和架体连接块；所述滑动伸缩杆的两端分别与所述线夹和所述架体连接块铰接，形成可转动连接；所述线夹夹设于变轨迹悬空物的重心处，所述架体连接块固定安装在一机架上。该支撑机构具有结构简单、支撑力大且节省水平向空间等优点。
Patent WO-2020118733-A1 (WO)
Inventor: LIN CHUAN
IPC: E03B3/02
Filed: 2018-12-15
Abstract: 一种民居房屋集雨斗用过滤网装置，包括滤网（1）及弹簧（2），滤网（1）横截面为折弯状，分为长边与短边，之间夹角为钝角，弹簧（2）支撑在滤网（1）的长边下方；本滤网装置易安装和拆卸，同时可以防止杂物落入水槽，清理方便。
Patent WO-2020124390-A1 (WO)
Inventor: LI YANGYANG
IPC: G06K9/00
Filed: 2018-12-18
Abstract: La présente invention concerne un procédé de reconnaissance d'attribut de visage et un dispositif électronique utilisés pour résoudre les problèmes existants suivants : un temps de reconnaissance long et une consommation d'énergie élevée dans des scénarios à visages multiples. Le procédé consiste : à réaliser une prédiction sur une image devant être reconnue au moyen d'un modèle de réseau neuronal afin d'obtenir un degré de confiance, une position de prédiction de zone de visage et une valeur de prédiction d'attribut de visage pour chaque bloc d'image, la position de prédiction de zone de visage étant la position dans l'image devant être reconnue d'une première zone de visage prédite sur la base de chaque bloc d'image, le degré de confiance étant utilisé pour indiquer la probabilité qu'un point de référence de la première zone de visage se trouve dans le bloc d'image, et la valeur de prédiction d'attribut de visage étant utilisée pour représenter un premier attribut de visage prédit sur la base du bloc d'image ; à déterminer, parmi L blocs d'image, au moins un premier bloc d'image correspondant à un premier visage présentant un degré de confiance qui atteint un premier seuil ; sur la base de chaque position de prédiction de visage correspondant à chaque bloc d'image, à déterminer la position d'une seconde zone de visage dans l'image devant être reconnue ; et, sur la base de la valeur de prédiction d'attribut de visage correspondant au premier bloc d'image, à déterminer un second attribut de visage pour le premier visage.
Patent WO-2020124524-A1 (WO)
Inventor: WANG BO
IPC: G06F9/48
Filed: 2018-12-21
Abstract: 一种资源平台独享资源的方法、装置及电子设备，所述方法包括如下步骤：通过所述任务管理器获取多个用户提交的任务请求信息（S201）；根据每个所述任务请求信息将对应的任务参数以及任务ID组成一个元组插入任务队列中（S202）；通过多个任务处理函数分别从任务队列中提取任务队列的头部任务参数，并调用与所述任务处理函数对应的任务处理器处理所述任务，并分别获取任务处理结果（S203）；将每个所述任务处理结果以及对应的任务ID存储在结果数据库中（S204）。所述方法能够提高任务处理的效率，以及任务处理成功率。
Patent WO-2019134562-A1 (WO)
Inventor: WANG WEI
IPC: G02F1/1335
Filed: 2018-12-25
Abstract: A backlight source (10), a manufacturing method therefor, and a display apparatus. The backlight source (10) comprises: a light guide plate (101); a light emitting device (102) located on the side of the light guide plate (101) in the thickness direction, and used for emitting light into the light guide plate (101); and an optical element (103) located on the side of the light emitting device (102) that emits light, and configured to convert the light emitted by the light emitting device (102) into a parallel beam propagated by total reflection within the light guide plate (101). The light emitting device (102) and the optical element (103) may convert the light emitted by the light emitting device (102) into a parallel beam in the thickness direction of the light guide plate (101), and therefore, the light can be coupled into the light guide plate (101) according to requirements in the case that the light guide plate (101) is very thin, thereby facilitating reducing the thicknesses of the backlight source (10) and related products.
Patent WO-2020133322-A1 (WO)
Inventor: XUE JUNEN
IPC: G06F9/44
Filed: 2018-12-29
Abstract: 一种人工智能应用搭建中新增组块的方法、装置和机器设备。所述方法包括：对图形界面搭建区配置的组块，接收用户的新增组块选择指令，所述新增组块选择指令作用于相互链接的所述组块（310）；根据所述新增组块选择指令作用的组块对应生成字典，所述字典包括所述组块对应的数学基元标识以及核心参数（330）；对所述字典中的数学基元标识以及核心参数通过图论的数学语言表示组合封装为新增的数学基元（350）；向所述图形界面和服务端进行所述新增数学基元的更新（360）。所述方法为人工智能应用的搭建自由实现了组块新增。
Patent WO-2019137333-A1 (WO)
Title: Precision pharmaceutical 3d printing device
Inventor: LI XIAOLING
IPC: B29C64/209
Filed: 2019-01-07
Abstract: Provided herein are devices and systems for depositing a material or manufacturing a product, such as a pharmaceutical dosage form, by additive manufacturing. Further provided are methods of using the devices and systems, as well as methods of manufacturing a product, such as a pharmaceutical dosage form, by additive manufacturing. In certain embodiments, the device includes a material supply system (102) configured to melt and pressurize a material, a pressure sensor (214) configured to detect the pressure of the material within the device, and a control switch (216) comprising a sealing needle (218) operable in an open position and a closed position. The sealing needle (218) extends through a feed channel (208) containing the material and includes a tapered end (224), wherein the tapered end (224) of the sealing needle (218) engages a tapered inner surface of a nozzle (212) to inhibit flow of the material through the nozzle (212) when the sealing needle (218) is in the closed position.
Patent WO-2020142957-A1 (WO)
Inventor: HUANG SENHONG
IPC: G01S7/481
Filed: 2019-01-09
Abstract: A distance measurement apparatus (100) and a mobile platform. The distance measurement apparatus (100) comprises a transmission module, a receiving module, and a temperature control system, wherein the transmission module is used for emitting an optical pulse; the receiving module is used for receiving at least part of the optical pulse reflected by an object, and determining a distance of the object with respect to the distance measurement apparatus (100) according to the received at least part of the optical pulse; the temperature control system comprises: a heating circuit and/or a heat dissipation module, the heating circuit being used for heating a device (301) to be temperature-controlled, and the heat dissipation module is used for performing heat dissipation on the device (301); and the distance measurement device further comprises a control module which is used for controlling the operation or turn-off of the heating circuit and/or the heat dissipation module on the basis of a comparison result of the current environment temperature of the device (301) and a target temperature. Accurate control of a temperature range is implemented by means of a heating function of the heating circuit or a refrigeration function of the heat dissipation module.
Patent WO-2020143022-A1 (WO)
Title: Channel state information (csi) omission for type-ii csi report
Inventor: HAO CHENXI
IPC: H04W28/02
Filed: 2019-01-11
Abstract: Certain aspects of the present disclosure provide techniques for omitting channel state information feedback components. An example method generally includes obtaining an uplink (UL) resource to be used for channel state information (CSI) reporting; receiving a CSI reference signal (CSI-RS); determining a plurality of feedback components based on the CSI-RS, wherein at least one of the feedback components comprises one or more spatial beams, one or more compression bases associated with the one or more spatial beams, and one or more coefficients associated with the one or more spatial beams and one or more compression bases; identifying that the UL resource is insufficient to carry a payload for the CSI report; omitting a portion of the feedback components associated with at least one spatial beam and at least one compression basis; and reporting the remaining feedback components after the omission.
Patent WO-2020147024-A1 (WO)
Title: 一种数据发送方法和电子设备
Inventor: GENG CHAO
IPC: H04W4/02
Filed: 2019-01-16
Abstract: 一种数据发送方法和电子设备，数据发送方法包括：确定待发送的目标数据以及目标数据类型；若目标数据类型为控制类数据，则在已建立的多条数据链路中，确定用于发送目标数据的目标数据链路；多条数据链路的链路类型不同；通过目标数据链路将目标数据发送至目标定位设备，这就使得电子设备可以根据链路连接状态、链路负载情况等动态选择传输性能更优(比如传输可靠性更高、传输速率更快)的目标数据链路，从而可以有效地保证电子设备向目标定位设备传输数据的可靠性、以及大大提高目标数据的传输效率。
Patent WO-2020147045-A1 (WO)
Title: 移位寄存器、其驱动方法及装置
Inventor: Bai yajie
IPC: G11C19/28
Filed: 2019-01-16
Abstract: 移位寄存器、其驱动方法及装置，通过移位寄存器子电路（200）输出栅极扫描信号，从而可以驱动栅线。通过移位寄存器子电路（200）向触控控制电路（300）输出触控扫描信号，以使触控控制电路（300）响应于触控扫描信号，将电连接的触控电极（01）与触控检测信号端导通，从而可以进行触控驱动。移位寄存器既可以实现扫描驱动，又可以实现触控电极的触控驱动，并且还可以降低设置的触控检测线的数量，进而降低Fan-out区域面积，降低非显示区的面积。
Patent WO-2020118862-A1 (WO)
Inventor: YU FAXIN
IPC: G06F21/62
Filed: 2019-01-18
Abstract: 一种去中心化芯片研发交易数据存储方法及系统，该方法包括：交易节点广播芯片研发交易目标的各芯片研发交易需求；针对各芯片研发交易需求，根据区块链上的相应智能合约，在确定出其与另一交易节点间发生有芯片研发交易时，获取相应的交易数据、智能合约消息数据和芯片研发数据；利用分布式链下存储系统，存储预设时间段内所有芯片研发数据及其目标哈希值；生成新区块，区块主体包括各目标哈希值及预设时间段内所有的交易数据和智能合约消息数据，区块头包括上一区块的哈希值、区块主体的哈希值和时间戳；基于时间戳将新区块链接到区块链上。由于可链上链下分开存储数据，故适用于存储较大数据量的芯片研发交易数据。
Patent WO-2019169987-A1 (WO)
Inventor: LI XIAOPENG
IPC: H04N5/235
Filed: 2019-02-02
Abstract: An imaging control method, an imaging device and a computer readable storage medium are provided. The imaging control method includes: obtaining a first gain index value according to an environment luminance value of a shooting environment and a preset target luminance value; and determining a shooting mode for shooting according to the first gain index value and preset switching condition information, the shooting mode including a bright light mode and a dark light mode.
Patent WO-2020001049-A1 (WO)
Title: 像素单元及其补偿方法、显示装置及其制造方法
Inventor: SONG ZHEN
IPC: G09G3/3208
Filed: 2019-02-28
Abstract: 本公开提供了一种像素单元及其补偿方法、显示装置及其制造方法，属于显示领域。所述像素单元包括：发光电路，被配置为在外部控制电路的控制下发光；感光元件，被配置为感测发光电路发出的光的光强，并通过感测输出端输出输出光强感测信号；开关电路，被配置为控制感测输出端与外部控制电路之间的通断状态。基于上述像素单元所具有的结构，外部控制电路可以采集与发光电路自身发光效率变化有关的光强感测信号，基于此可以结合外部计算和数据信号的调节实现针对发光电路自身发光效率变化的补偿，有助于提升自发光显示装置的亮度均匀性和使用寿命。
Patent WO-2019179316-A1 (WO)
Inventor: WU YUMIN
IPC: H04W24/02
Filed: 2019-03-08
Abstract: Disclosed are a configuration method and an apparatus. The method comprises: receiving a first message sent by a network side, the first message comprising: configuration information of one or more target cells; and sending a second message to the network side according to the configuration information of the one or more target cells, the second message indicating whether the configuration information of the one or more target cells is successfully received by a UE.
Patent WO-2019174641-A1 (WO)
Inventor: LI QIAOMEI
IPC: H04N21/431
Filed: 2019-03-15
Abstract: 本申请在于提供一种便于浏览显示设备中应用安装进度的方法，涉及显示领域，该方法包括：在第一用户界面上显示显示设备向应用管理系统访问得到的网络内容，网络内容包括应用安装包的包流量值；响应于在第一用户界面中输入的第一指令，在第一用户界面上层显示第二用户界面，第二用户界面包括用于指示包流量值与被配置在显示设备中的预置参数相匹配的第一提示内容；响应于输入与第一指令类型相同的第二指令，在第一用户界面上层显示第三用户界面，第三用户界面包括用于用户浏览应用安装进度的第二提示内容，且在显示设备中静默安装与包流量值对应的应用安装包，为用户可以基于提示内容选择静默安装应用包，可提高用户体验。
Patent WO-2020019739-A1 (WO)
Title: Vascular wall plaque segmentation method and apparatus, and computer-readable storage medium
Inventor: ZHENG HAIRONG
IPC: G06T7/10
Filed: 2019-03-20
Abstract: A vascular wall plaque segmentation method and apparatus, and a computer-readable storage medium. The vascular wall plaque segmentation method comprises: obtaining a vascular wall image; iteratively performing N times of down-sampling convolution processing and first feature information extraction for the vascular wall image; if the iterative process of extracting the first feature information for N times is completed, performing N times of up-sampling convolution processing and second feature information extraction for an output object of the N-th down-sampling convolution processing based on the first feature information extracted for the N-th time; if the iterative process of extracting the second feature information for N times is completed, performing plaque segmentation on the vascular wall image based on a pre-trained classifier to determine whether plaques exist in the vascular wall image based on the segmentation result. The method can effectively improve the recognition efficiency of the plaque of the vascular wall.