baber/WOPTO huggingface dataset:
Patent WO-2019213854-A1 (WO)
Title: Electromagnetic induction wireless charging keyboard
Inventor: KUANG XINHUA
IPC: G06F3/02
Filed: 2018-05-09
Abstract: An electromagnetic induction wireless charging keyboard, relating to the technical field of wireless charging and wireless keyboards. The technical problems of existing wireless charging products being placed in a disorderly manner, and the function extension of wireless keyboards being limited by the electric quantity are solved. The electromagnetic induction wireless charging keyboard comprises a keyboard body, wherein the keyboard body is internally provided with a keyboard processing module for carrying out coding processing on a key signal of the keyboard body, and a wireless signal transmission module for transmitting a wireless signal with a computer is established and is connected to the keyboard processing module. The electromagnetic induction wireless charging keyboard is characterized in that the keyboard body is provided with a wireless charging module for wirelessly charging a wireless charging electronic product; and the wireless charging module is in wired connection with a power supply acquisition module. On the basis of having the advantages of a wireless keyboard being convenient to carry and being free from being wired, during the process of operating a computer, a consumer can place a wireless charging electronic product on an electromagnetic induction wireless charging region, corresponding to a wireless charging module, of a keyboard for wireless charging, and thereby achieving convenience and speed.
Patent WO-2019222947-A1 (WO)
Inventor: XU WENYUAN
IPC: G06F11/00
Filed: 2018-05-23
Abstract: 本发明公开了一种基于网络流量的无线摄像头检测及定位方法，采用收集当前空间无线网络流量，对流量进行清洗、分类，并从多个维度进行特征分析的方式，检测当前空间是否存在无线摄像头；当检测到当前空间存在无线摄像头，采用人为干预的方式，分析摄像头数据流比特率的变化确定摄像头所在位置。相比于现有摄像头检测方法，本发明方法操作简单，无需专业设备，识别准确率高，鲁棒性强，受环境限制小且可检测范围大。此外本发明采用多维特征而非单一网络流量数据特征，大幅度提高了检测精度，降低了误警率，基于智能手机即可实现检测，实用性更强，还可将无线摄像头所在位置从当前空间缩小到当前房间，进一步避免隐私侵害。
Patent WO-2018219336-A1 (WO)
Inventor: HU BOTAO
IPC: G02B27/01
Filed: 2018-06-01
Abstract: 一种模块化MR设备成像方法，其中MR设备包括MR计算模块（a）、MR光路模块（1）和MR姿态模块； MR计算模块包括显示组件（109）； MR计算模块与MR姿态模块相连，并根据MR姿态模块采集的数据对显示内容进行调整；MR光路模块包括虚像光路和混合光路；虚像光路与显示组件相接；混合光路处设有半透半反镜（4）；半透半反镜一面为实像引入面，另一面为虚像引入面；实像引入面朝向真实环境；虚像引入面朝向虚像光路；显示组件的显示内容经虚像光路处理并传输后形成虚拟像，虚拟像光线经虚像引入面反射至观察端（601）与真实环境的光线经实像引入面透射至观察端并与虚拟像混合形成混合现实图像；这种MR设备价格低廉，并能灵活定义丰富的MR互动效果。
Patent WO-2018224045-A1 (WO)
Title: 一种针头手动回缩式静脉输液针
Inventor: WANG ZIYANG
IPC: A61M5/158
Filed: 2018-06-08
Abstract: 一种针头手动回缩式静脉输液针，包括：针座（1），其包括筒状部（11）和尾座部（12）；针管（2），其尾端安装于筒状部（11）内；内置滑套（3），其为横截面呈近似字母C字形的、两端贯通的长条块，筒状部（11）安装于内置滑套（3）内且可前后滑动；保护壳体（4），其为长条形的、两端贯通的中空壳体，内置滑套（3）安装于保护壳体（4）内且可前后滑动，针座（1）与保护壳体（4）之间形成锁定结构；当针座（1）与保护壳体（4）解锁后，向后拉动针座（1），使筒状部（11）滑动至内置滑套（3）的锁定位置而被锁定，继续后拉针座（1），使针座（1）带动内置滑套（3）滑动至保护壳体（4）的锁定位置而被锁定，此时针管（2）被保护壳体（4）完全覆盖且针尖不会外露。该装置能防止针刺伤和交叉感染，减少针管（2）对患者血管内壁的损伤，产品设计微型化，方便使用，生产工艺简单。
Patent WO-2019200713-A1 (WO)
Inventor: HAN MO
IPC: A47J31/00
Filed: 2018-06-27
Abstract: 一种气泡水机的供气装置，包括基座(100)及注气端盖(300)，所述基座(100)上设有与基座(100)转动连接的注气转柄(200)，所述注气转柄(200)上设有注气嘴(211)；所述注气端盖(300)用于与容器(400)密封连接，所述注气端盖(300)设有注气孔道(330)，所述注气孔道(330)用于与所述注气嘴(211)配合注气连通；当注气转柄(200)在第一位置时，注气嘴(211)与注气孔道(330)连通用于气体进入容器(400)；相比普通的气泡水机，在对容器进行注气的过程中，可通过移动注气端盖的方式完成容器的密封；无需通过举升的方式将容器密封连接到气泡水机上，如此避免了通过举升过程中由于容器内饮品较重，难以平稳顺利安装容器的问题。
Patent WO-2019011152-A1 (WO)
Title: Master batch with enhanced strength, toughness and transmittance, preparation method therefor and use thereof
Inventor: MI QINGHUA
IPC: C08L67/04
Filed: 2018-07-03
Abstract: The present invention pertains to the field of biodegradable macromolecular materials, and particularly relates to a master batch with enhanced strength, toughness and transmittance, wherein the master batch is prepared from polybutylene adipate terephthalate and a strength-, toughness- and transmittance-enhancing agent, which act as principal raw materials; the master batch can be processed into not only a thin film but also a mulching film; and the smoothness of processing an ultrathin fully biodegradable film product, and the mechanical and optical properties and the use stability thereof are ensured, while the cost of a thin film is significantly reduced. The production of the master batch has a simple process and is easy to master, and the resulting master batch has stable properties, can be completely degraded and has a good dispersibility. By adding a small amount of the master batch provided by the present invention and using same in combination with a degradable resin (PBAT+PLA, etc.), an ultrathin biodegradable film product of 6 μm or less can be prepared by means of blowing, and during the blowing of the ultrathin film, a film sheet is easily cut open, the processing stability is improved, and the mechanical properties are excellent, such that same can be widely applied to the fields of thin film packages, shopping bags, agricultural mulching films, garbage bags, classified landfill composting treatments, etc.
Patent WO-2019114263-A1 (WO)
Title: 自立型纸制品及其制作方法
Inventor: HUANG KUO-YING
IPC: B65D5/02
Filed: 2018-07-10
Abstract: 一种自立型纸制品及其制作方法，制作方法至少包括：形成主分隔线的步骤，形成左纵分隔折线、右纵分隔折线、左横分隔折线、及/或右横分隔折线的步骤，及叠合成型的步骤；通过在单一纸卡上形成主分隔折线、左纵分隔折线、左横分隔折线、右纵分隔折线、及右横分隔折线而分隔出多个正面展示区（101，102，103，104，105，106）及折叠区（201，202，203，204，205，206，207，208，209，210，211，212），再分别加以弯折各折线以使各区叠合成型，由此形成至少包含正面展示部（100）、折叠部（200）所构成的自立型纸制品。
Patent WO-2019076096-A1 (WO)
Title: Protective cushion for friction body of brake pad, and brake pad
Inventor: WU PEIFANG
IPC: F16D65/095
Filed: 2018-07-24
Abstract: A protective cushion for a friction body of a brake pad, and a brake pad. The protective cushion (1) is provided between a friction block (2) and a brake pad back plate (3) of the brake pad, corresponding to an elastic supporting piece (4) which is provided on the brake pad back plate (3) and applies, towards the friction block (2), a biasing force away from the direction of the brake pad back plate (3); the hardness of the protective cushion (1) is not smaller than that of the elastic supporting piece (4). The problem that a friction block back plate of an existing brake pad may be abraded and deformed under a high-frequency acting force, and thus the braking performance and the service life of the brake pad are influenced is solved.
Patent WO-2019029475-A1 (WO)
Title: Payment method and device for vehicle on expressway
Inventor: LV JIAN
IPC: G06Q20/14
Filed: 2018-08-06
Abstract: A payment method and device for a vehicle on an expressway. The payment method comprises: a payment system receives a license plate number uploaded by a user by means of a terminal, and stores the license plate number in correspondence with a payment account of the user (S102); when a vehicle enters an entrance of an expressway, an expressway management system recognizes the license plate number of the vehicle entering the entrance, and stores the recognized license plate number in correspondence with an identifier of the entrance (S104); when the vehicle leaves an exit of the expressway, the expressway management system recognizes the license plate number of the vehicle leaving the exit, and obtains an identifier of the exit (S106); the expressway management system searches for the identifier of the corresponding entrance according to the license plate number of the vehicle leaving the exit, and determines an expressway fee according to the identifier of the entrance and the identifier of the exit (S108); the expressway management system sends the license plate number and the expressway fee to the payment system (S110); and the payment system searches for a corresponding payment account according to the license plate number, and completes payment according to the expressway fee and the found payment account (S112).
Patent WO-2020037599-A1 (WO)
Inventor: TAN LIN
IPC: A61B5/08
Filed: 2018-08-23
Abstract: 一种呼吸暂停事件的监测方法、监测装置、医疗设备及可读存储介质，监测方法包括：获得目标对象的至少一个生理体征参数的实时数据，至少一个生理体征参数的实时数据通过至少一个生理参数传感器获得（1.1）；提供监测界面，监测界面包含一呼吸暂停事件的专用显示区域，和用于显示至少一个生理体征参数的实时数据的显示区域（1.2）；从至少一个生理体征参数中获取目标对象与呼吸暂停事件相关的目标生理体征参数（1.3）；从目标生理体征参数的实时数据中识别呼吸暂停事件（1.4）；根据呼吸暂停事件的识别结果，在专用显示区域内输出显示（1.5）。
Patent WO-2020051822-A1 (WO)
Title: Electronic cigarette kit
Inventor: ZHU ZHIPENG
IPC: A24F47/00
Filed: 2018-09-13
Abstract: An electronic cigarette kit, comprising a housing (1), a heating element (2), a main board (3), a battery (4) and a cigarette cap component (5), wherein the main board (3) and the battery (4) are arranged in the housing (1); the heating element (2) and the battery (4) are both electrically connected to the main board (3), and the cigarette cap component (5) is detachably connected to the housing (1). The cigarette cap component (5) comprises a cigarette cartridge bin (51) which is slidably connected onto the housing (1), and a rotating component (52) rotatably connected onto the housing (1); a first cavity (511) having an upward opening is formed on the cigarette cartridge bin (51), and a through hole (512) is formed in the bottom wall of the first cavity (511); the heating element (2) may penetrate the through hole (512) so as to heat a cigarette cartridge (10) placed in the first cavity (511), and the rotation of the rotating component (52) may drive the cigarette cartridge bin (51) to slide up and down along the housing (1).
Patent WO-2019057133-A1 (WO)
Title: Method for detecting side effects produced by drug interaction, and system thereof
Inventor: CHANG SHANG-HUNG
IPC: G06F17/10
Filed: 2018-09-21
Abstract: Disclosed are a method for detecting side effects produced by drug interaction, and a system thereof. The method comprises the steps of: confirming multiple patients taking a first drug in a database and the drug-taking time, confirming whether one or more other drugs are taken at the same time, calculating a propensity score for the patients using a logistic regression model, confirming a first drug side effect produced by the patients, calculating the incidence rates of the first drug side effect in the patients taking one or more other drugs at the same time and not at the same time using a Poisson regression model, and judging by calculation results whether the interaction between the first drug and one or more other drugs taken at the same time causes a relatively high incidence rate of the first drug side effect.
Patent WO-2020019478-A1 (WO)
Title: Communication data encryption method and apparatus
Inventor: ZHANG CHI
IPC: H04L9/32
Filed: 2018-09-26
Abstract: Disclosed in the present application is a communication data encryption method and apparatus. The method comprises: obtaining an access request to a target page initiated by a terminal device; in the case that a security plug-in is determined to exist in the terminal device according to the access request, obtaining first page data corresponding to the target page from a background server corresponding to the target page according to the access request, the security plug-in being used for encrypting or decrypting the data; encrypting the first page data in a first encryption mode agreed with the security plug-in to obtain second page data; and sending the second page data to the terminal device so that the terminal device decrypts the second page data by means of the security plug-in to obtain the first page data. The solution can prevent a tool for scanning a page such as a scanner and a crawler tool from directly obtaining page data, and avoid that the page data is obtained and tampered in a situation such as traffic hijacking.
Patent WO-2019119932-A1 (WO)
Title: X-ray developing line, production method therefor, and production device
Inventor: XIAO WANGDONG
IPC: D02G3/36
Filed: 2018-10-09
Abstract: An X-ray developing line, a production method therefor and a production device, the X-ray developing line being composed of a housing layer and a core line; the housing layer is coated outside of the core line, and the housing layer is made of a housing layer material; the housing layer material is composed of a modified thermoplastic elastomer and a developer; the developer comprises one or more from among barium sulfate, bismuth oxide or metal tungsten. The X-ray developing line is composed of the two components of the core line and the housing material; on one hand, the high strength of the core line may be used to ensure the strength of the X-ray developing line so as to reduce the elasticity of the X-ray developing line, thus when woven into gauze or otherwise combined with a gauze, the X-ray developing line is less likely to break, and the outer diameter is not reduced due to extension. On the other hand, the development line may be rapidly extruded due to the strength and the pulling effect of the core line.
Patent WO-2019144675-A1 (WO)
Inventor: WANG MIAO
IPC: F24F11/56
Filed: 2018-11-09
Abstract: Disclosed are a control method and apparatus for an air conditioner, belonging to the technical field of air conditioners. The control method comprises: in response to a self-cleaning instruction input by a user and used for indicating enabling a self-cleaning mode, acquiring a humidity parameter of an indoor heat exchanger; comparing the humidity parameter with a pre-set humidity threshold value to obtain a comparison result for indicating whether a spray apparatus is enabled; and in response to the comparison result indicating enabling the spray apparatus, controlling the enabling of the spray apparatus and switching to the self-cleaning mode to run. According to the control method for an air conditioner, which is provided in this text, a humidity parameter of a frosting indoor heat exchanger can be collected, and whether the humidity requirement of a frosting stage of air conditioner self-cleaning is met is determined thereby, thus a spray apparatus can be enabled where the humidity requirement is not met, so as to increase the moisture requirement of the frosting stage of air conditioner self-cleaning by means of condensed water at a nozzle of the spray apparatus, thereby being capable of ensuring the cleaning efficiency and dust removal effects of air conditioner self-cleaning.
Patent WO-2019140991-A1 (WO)
Title: Textile machine having airflow conveyor and filtering device
Inventor: HE XIAODONG
IPC: D03J1/00
Filed: 2018-11-12
Abstract: A textile machine having an airflow conveyor and a filtering device, comprising an all-metal protective shell (1), an air inlet pipe (4), textile machine unwinding rollers (8) and an airflow conveyor (12); a dust removal filter (2) is mounted on the all-metal protective shell (1), a centrifugal suction fan (3) is mounted above the dust removal filter (2), the air inlet pipe (4) is mounted above the centrifugal suction fan (3), an auxiliary support roller (5) is provided above the air inlet pipe (4), a transverse textile roller (6) is mounted above the auxiliary support roller (5), a textile roller mounting frame (7) is mounted above the transverse textile roller (6), the textile machine unwinding rollers (8) are connected above the textile roller mounting frame (7), a textile roller adjuster (9) is mounted at one side of the textile machine unwinding roller (8) away from the textile roller mounting frame (7), a working platform (10) is mounted below the textile roller adjuster (9), a support roller adjuster (11) is connected below the working platform (10), the airflow conveyor (12) is mounted above the support roller adjuster (11), an operation control box (13) is mounted below the airflow conveyor (12), and a liquid crystal display panel (14) is mounted above the operation control box (13). The textile machine has the following beneficial effects that: the textile rollers can be adjusted to spin different yarns, and the air inside the textile machine can be absorbed and filtered, thus effectively solving the problem of clogging of the textile machine.
Patent WO-2019148954-A1 (WO)
Inventor: DING DONGSHENG
IPC: F04C29/00
Filed: 2018-11-30
Abstract: 一种多级罗茨干式真空泵，其包括一泵体（1）和电驱动终端，泵体（1）至少包括一级罗茨系统，罗茨系统至少包括一级罗茨工作单元（2），罗茨工作单元（2）设有成对的罗茨转子（3、4）和罗茨转轴（24），电驱动终端传动连接罗茨转轴（24）。由于每对罗茨转子都是独立的，解除了相互牵扯，优化了设计制造；各对罗茨转子独立电驱动减小了机械传动长度；用磁力齿轮传动、磁力联轴器联接减少了噪音；用静密封代替动密封改善了密封状态，提高了使用性能和设备寿命。
Patent WO-2020010795-A1 (WO)
Title: Laser heat treatment method for amorphous alloy strip
Inventor: LI XIAOYU
IPC: H01F27/25
Filed: 2018-12-11
Abstract: Disclosed by the present invention is a laser heat treatment method for an amorphous alloy strip, comprising the following operational steps: step 1): connecting two ends of a strip to a first backrolling shaft and a second backrolling shaft respectively; step 2): providing a laser heat treatment device between the first backrolling shaft and the second backrolling shaft so as to perform laser heat treatment on the strip, wherein the laser heat treatment device has a laser wavelength range of 200 nm-1500 nm, a laser output power of 1 w-1 kw and a laser spot diameter of 10mm-300mm, the laser is a continuous laser beam or a pulsed laser beam having a pulse width of 30 ns or more, and the moving speed of the strip is 1 mm/min-800 mm/min; and step 3) winding the heat-treated strip into an iron core. Therefore, the method may effectively eliminate the stress generated during the preparation of the strip, retain a certain free volume, improve the toughness of the strip, improve the production efficiency, and reduce the production cost.
Patent WO-2020118627-A1 (WO)
Inventor: CUI JIANWEI
IPC: H04B7/155
Filed: 2018-12-13
Abstract: 本申请公开了一种射频拓扑系统及通信装置，该射频拓扑系统至少包括天线、射频发射机、射频接收机和本地振荡器；射频发射机与天线连接，用于产生第一信号，射频发射机通过天线发射第一信号；射频接收机与天线连接，用于通过天线接收第二信号；本地振荡器分别与射频发射机和射频接收机连接，用于为射频发射机或射频接收机提供正交本振信号，本地振荡器的振荡频率为天线的频率的两倍；其中，射频发射机包括零中频芯片，本地振荡器与零中频芯片连接，零中频芯片用于利用直接下变频将正交本振信号进行下变频为基带信号。通过上述方式，本申请能够防止镜像干扰，且避免使用复杂的时隙控制电路，使用一个本地振荡器实现了中继器功能，简化电路板面积。
Patent WO-2020062684-A1 (WO)
Title: 视频处理方法、装置、终端和介质
Inventor: HAN XU
IPC: H04N21/44
Filed: 2018-12-28
Abstract: 本公开实施例公开了一种视频处理方法、装置、终端和介质，其中，该方法包括：对至少两个视频片段进行分辨率检测，并根据每个视频片段的分辨率确定所述每个视频片段的高宽比；依据每个视频片段的高宽比和预设调整规则，确定目标高宽比；将至少两个视频片段均适配至目标高宽比，以基于至少两个视频片段合成目标视频。
Patent WO-2019233094-A1 (WO)
Title: Nail box assembly for anastomat
Inventor: GUO YIJUN
IPC: A61B17/115
Filed: 2018-12-29
Abstract: A nail box assembly for an anastomat, comprising a nail box front end assembly (100) and a nail box rear end assembly (300) which are connected by means of a bending executing mechanism (200). The nail box rear end assembly (300) comprises a housing and a pull rod (304) provided in the housing, a push broach blade (303), and a safety structure; the front end of the push broach blade (303) is connected to a cutting knife (101) of the nail box front end assembly (100); the front end of the pull rod (304) is connected to the bending executing mechanism (200); an inner cavity of the housing provides an activity space for forward and backward movements of the push broach blade (303) and the safety structure; the push broach blade (303) is located at an upper portion of the inner cavity of the housing; the safety structure comprises a connecting seat (305) and an executive element; the rear of the push broach blade (303) is connected to the connecting seat (305); the executive element is located at a lower portion of the inner cavity of the housing; the push broach blade (303) is connected to the cutting knife (101) by passing through an upper portion of the bending executing mechanism (200). The push broach blade (303) is narrowed with respect to an existing structure, and occupies a smaller part of space of the housing, so as to facilitate the arrangement of the safety structure in the housing; moreover, after the width of the push broach blade (303) is narrowed, the resistance required to be overcome during bending is reduced, and the housing is bent at a larger angle under the same operating force.
Patent WO-2019144835-A1 (WO)
Title: Substituted pyridazinone compound
Inventor: WANG YIHAN
IPC: A61P5/16
Filed: 2019-01-17
Abstract: The present invention relates to a pharmaceutical composition of a substituted pyridazinone compound and use thereof. The substituted pyridazinone compound is a compound as represented by formula (I), or a pharmaceutically acceptable salt, a prodrug, a hydrate or solvent compound, a crystalline form, and a stereoisomer or isotopic variant thereof. The compound is a THR-beta agonist which can be used for treating and/or preventing diseases regulated by thyroid hormone analogues.
Patent WO-2019214315-A1 (WO)
Title: Edge trimming device preventing castings deformation
Inventor: CHEN ZHUJIE
IPC: B22D31/00
Filed: 2019-02-22
Abstract: An edge trimming device preventing castings deformation, the device comprising a die cutting device and two holder devices (2) located below the die cutting device. The two holder devices are arranged oppositely, and a region therebetween is used to place a casting (1). Each of the holder devices is provided with an elastic retaining assembly and a position-limiting structure (23). The two elastic retaining assemblies hold the casting when the casting is trimmed from the side, thereby preventing movement of the casting and the resulting deformation. The elastic retaining assemblies have a holder rod (21) pressing against a holding end (11) on a side surface of the casting, such that the casting is held. The edge trimming device is simple and effective and has broad application in the technical field of casting and molding.
Patent WO-2019192390-A1 (WO)
Title: Body-in-white frame assembly
Inventor: LAO BING
IPC: B62D25/08
Filed: 2019-03-29
Abstract: A body-in-white frame assembly, comprising a vehicle frame body, a front-end frame, and two side enclosing frames. The front-end frame is fixed to a front side of the vehicle frame body. The two side enclosing frames are respectively fixed to a left side surface and a right side surface of the vehicle frame body. A left end and a right end of the front-end frame are respectively fixedly connected to front ends of the two side enclosing frames. The front-end frame comprises two upper curved beam column reinforcing plates (2). The two upper curved beam column reinforcing plates (2) extend downwards, and are respectively fixed on rear sides of corresponding upper curved beam columns (1) on a vehicle body. The body-in-white frame assembly resolves the issue of a weak connection between an upper curved beam column and a front longitudinal beam, prevents the longitudinal beam from being involved in a front column collision, and improves front column collision performance and the rigidity of a headlight mounting point, thereby improving passenger safety.
Patent WO-2019242371-A1 (WO)
Title: 一种双杆定位结构
Inventor: BAIK KWANG HO
IPC: E04H15/34
Filed: 2019-04-03
Abstract: 一种双杆定位结构，连接固定相穿插的两根单杆（02），包括：分别位于两根单杆（02）杆身的定位孔（01）及可卡固于定位孔（01）并套设于单杆（02）的定位座（12），定位孔（01）位于单杆（02）相邻的两侧壁，定位座（12）内穿设有选择性卡入定位孔（01）的定位件（121）、一弹簧（122）、一定位栓（123）及一朝外凸设的按钮（124），定位栓（123）恰由外而内穿过定位座（12）并穿过定位件（121），按钮（124）朝向定位件（121）的端面凹设一卡槽（125），定位件（121）的一端卡入卡槽（125），弹簧（122）的一端抵接按钮（124），弹簧（122）的另一端抵接于定位座（12）的内壁。该定位结构整体上结构简单、便于装配、定位稳定。
Patent WO-2019192616-A1 (WO)
Title: Detection of beginning of transmission session in new radio unlicensed spectrum
Inventor: GUEY JIANN-CHING
IPC: H04L27/26
Filed: 2019-04-08
Abstract: Techniques and examples of efficient detection of a transmission session in New Radio unlicensed spectrum (NR-U) are described. An apparatus (e.g., user equipment (UE) ) detects presence of an indication from a base station of a wireless network in an NR-U. The apparatus determines that a transmission opportunity (TXOP) follows the indication responsive to the detecting. The apparatus then receives a downlink (DL) transmission in the NR-U from the base station during the TXOP.