baber/WOPTO huggingface dataset:
Patent WO-2018177317-A1 (WO)
Inventor: RAN SHINIAN
IPC: A61K47/38
Filed: 2018-03-28
Abstract: Disclosed is a method for preparing metformin hydrochloride sustained-release tablets, capable of improving stability of the metformin hydrochloride sustained-release tablets. According to the method, the sustained-release rate of metformin hydrochloride is controlled by film coating, and hydroxypropyl methylcellulose is also used as a bonding agent. The metformin hydrochloride sustained-release tablets prepared by using this preparation process are low in weight, easy to swallow, and stable in release.
Patent WO-2018202024-A1 (WO)
Title: 一种医用注射器
Inventor: ZHANG HONGJIE
IPC: A61M5/50
Filed: 2018-04-28
Abstract: 一种医用注射器，包括针座（2）、卡座（3）、安全保护套（5）和针管（6）。其中卡座（3）内设置有收容腔（30），针座（2）和安全保护套（5）分别设置在卡座（3）的收容腔（30）的上部和下部，针管（6）设置在针座（2）内，并向下延伸伸入安全保护套（5）。安全保护套（5）可在卡座（3）的收容腔（30）内上下移动以便配合针管（6）的注射操作。其中卡座（3）上设置有上下延伸的导槽（31），导槽（31）中设置有导向弹片（33），并以其为界将导槽（31）的下部分成左部导槽（311）和右部导槽（312）两部分，其中右部导槽（312）的底面（314）高于左部导槽（311）的底面（313），安全保护套（5）上设置有固定销（52）。
Patent WO-2019200643-A1 (WO)
Inventor: LI AO
IPC: F25B9/14
Filed: 2018-05-16
Abstract: L'invention concerne un piston de poussée et un réfrigérateur cryogénique correspondant. Le piston de poussée est pourvu d'un passage de gaz et d'un orifice d'échappement (12b). Une rainure annulaire (6) située sur la surface externe du piston de poussée est formée au niveau de la position de l'orifice d'échappement (12b). Le passage de gaz est divisé par la rainure annulaire (6) en un premier passage de gaz (4) côté haute température et un second passage de gaz (5) côté basse température. Le diamètre externe D1 de la région sur le piston de poussée correspondant au premier passage de gaz (4) est supérieur au diamètre externe D2 de la région sur le piston de poussée correspondant au second passage de gaz (5), et D2 est supérieur au diamètre externe D3 de la région sur le piston de poussée correspondant à la rainure annulaire (6). Le réfrigérateur cryogénique comprend le piston de poussée. Selon la présente invention, du fait de la forme structurale de la rainure annulaire, le flux d'air évacué de l'orifice d'échappement vers l'extérieur peut être homogénéisé, la capacité d'échange de chaleur du réfrigérateur peut être améliorée, et en outre, la réduction de la capacité de réfrigération et l'instabilité de la température de refroidissement due à l'instabilité d'étanchéité peuvent être supprimées.
Patent WO-2018228212-A1 (WO)
Inventor: WANG TING
IPC: H04W72/12
Filed: 2018-05-31
Abstract: A method and apparatus for determining a transport block size, to accurately determine a transport block size in the case of different numbers of available REs on different RBs, thereby improving system performance. The method comprises: a communication device determines the type of a data scheduling available resource element (RE); determine the transport block size of data according to the type of the available RE. Thus, the communication device can determine the transport block size of data according to the type of the available RE, thereby improving system performance.
Patent WO-2019128116-A1 (WO)
Title: 减振元件、减振装置、摄像组件及无人飞行器
Inventor: ZHANG WENCHAO
IPC: F16F1/26
Filed: 2018-06-08
Abstract: 一种减振元件（12）、减振装置（10）、摄像组件（100）及无人飞行器（200），该减振元件（12）包括：第一安装端部（121）、第二安装端部（122）、连接部（123）和弹性减振带（124），该连接部（123）设于第一安装端部（121）与第二安装端部（122）之间，连接部（123）可被拉伸；该弹性减振带（124）与连接部（123）相连，弹性减振带（124）包括与连接部（123）相连的第一减振带（1241）、自第一减振带（1241）向靠近连接部（123）方向弯曲的弯曲部（1243）以及自弯曲部（1243）延伸且与连接部（123）相连的第二减振带（1242）。
Patent WO-2019091111-A1 (WO)
Title: 管控药物的特征获取方法、电子装置及计算机可读存储介质
Inventor: ZHOU YU
IPC: G16H20/10
Filed: 2018-06-12
Abstract: 本申请公开了一种管控药物的特征获取方法，应用于电子装置，所述方法包括：获取保险机构数据库及医疗机构数据库的原始病例数据；对所述原始病例数据进行预处理，得到预处理后的数据集；根据管控药物的前向性特征、本性特征及后向性特征建立分类模型；通过所述分类模型提取所述管控药物的数据；根据特定管控药物的特有特征建立特定管控药物特征提取模型；及通过所述特征提取模型返回所述特定管控药物的特征表。本申请还提供一种电子装置及计算机可读存储介质。本申请通过对大数据进行分析能够快速获取各种管控药物的特征集合，极大地提高不同地区、不同管控药物的特征提取速度、准确性。
Patent WO-2018228431-A1 (WO)
Title: 升麻三萜皂苷类提取物、黄肉楠碱、脱氧升麻烃的用途
Inventor: ZENG HUI
IPC: A61P19/02
Filed: 2018-06-13
Abstract: 升麻三萜皂苷类提取物、升麻、黄肉楠碱、脱氧升麻烃或者黄肉楠碱与脱氧升麻烃形成的组合物在制备用于自身免疫性疾病的药物或功能性保健品中的用途。以及，用于自身免疫性疾病的药物组合物和用于抑制炎性细胞因子的药物组合物。
Patent WO-2019128149-A1 (WO)
Title: 设备控制方法、装置、电子设备和存储介质
Inventor: MA HUIJUN
IPC: G05B15/02
Filed: 2018-06-21
Abstract: 本发明实施例提供一种设备控制方法、装置、电子设备和存储介质。所述方法包括确定待控制设备的控制流程所涉及的一个或多个设备控制子流程，以及各设备控制子流程之间的执行逻辑；获取与所述设备控制子流程对应的编码；根据各设备控制子流程各自对应的编码、各设备控制子流程之间的执行逻辑，生成与所述控制流程对应的编码配置文件；根据所述编码配置文件对所述待控制设备进行控制。应用本发明实施例提供的方案，避免重复的硬编码活动，简化后期调试与开发工作，提高开发效率。
Patent WO-2019128160-A1 (WO)
Title: 一种锂离子电池非水电解液及锂离子电池
Inventor: XIONG DEJUN
IPC: H01M10/0567
Filed: 2018-06-27
Abstract: 为克服现有锂离子电池存在低温性能、高温储存及循环性能不足的问题，本发明提供了一种锂离子电池非水电解液，包括吡啶类复合化合物和结构式1所示的化合物A。在结构式1中，R 1 、R 2 、R 3 、R 4 、R 5 、R 6 各自独立地选自氢、氟原子或含1～5个碳原子的基团；所述吡啶类复合化合物为吡啶类化合物与三氟化硼或五氟化磷的复合化合物。同时，本发明还公开了包括上述锂离子电池非水电解液的锂离子电池。本发明提供的锂离子电池非水电解液有利于改善电池的低温性能、高温储存及循环性能。
Patent WO-2019007429-A1 (WO)
Title: Mechanical hand
Inventor: JIANG JIAN
IPC: B25J9/00
Filed: 2018-07-06
Abstract: Provided is a mechanical hand, comprising the following sequentially connected components: a moving mechanism; an oscillation mechanism; a rotation mechanism; and a mechanical arm. The oscillation mechanism comprises an oscillation frame capable of oscillating within a first plane perpendicular to a first direction. The oscillation frame is connected to a moving base. The rotation mechanism is installed at a horizontal oscillation frame, and drives the mechanical arm to rotate around a rotation shaft. An axis of the rotation shaft is configured to be perpendicular to the first direction. The moving base is provided with a first input gear and a first output gear which mesh with each other. The first output gear is connected and fixed to the oscillation frame. The oscillation frame is provided with a second input gear and a second output gear which mesh with each other. The second output gear is connected and fixed to the rotation mechanism. When the first input gear which meshes with the first output gear rotates, the first output gear drives the oscillation frame to oscillate within the first plane. When the second input gear which meshes with the second output gear rotates, the second output gear drives the rotation mechanism to oscillate within the first plane.
Patent WO-2019029348-A1 (WO)
Title: Data transmission method, terminal, and base station
Inventor: LI JUNCHAO
IPC: H04W24/00
Filed: 2018-07-23
Abstract: The present application provides a data transmission method, a terminal, and a base station. The method comprises: a terminal receives common information according to a first physical resource block (PRB) index, the first PRB index being determined according to a first bandwidth and/or a first location on a frequency domain; the terminal transmits terminal-specific information according to a second PRB index, the second PRB index being determined according to a second bandwidth and/or a second location on the frequency domain. By determining a PRB index, the present application ensures correct communication between a base station and a terminal.
Patent WO-2020024079-A1 (WO)
Inventor: WANG XINGZE
IPC: G06T17/00
Filed: 2018-07-28
Abstract: An image recognition system, comprising a multi-view imaging module having a micro-lens array. The light of an imaged object is refracted by a plurality of micro-lenses respectively and is then incident on different photosensitive regions of the photosensitive element. Imaging may be carried out once to obtain images and depth information of a plurality of different weak viewing angles of the object; image information of a recognized object at a plurality of different angles obtained by single viewing angle imaging of the recognized object by the multi-view imaging module is acquired by means of repetition; a set of image information of the recognized object at the plurality of different angles acquired each time is used as sample training data, and training is carried out on the basis of a convolutional neural network model to obtain a target model; and thus, an object to be recognized is subject to image recognition. images of the same object at a plurality of different weak viewing angles are used for recognition, which greatly improves the accuracy of object recognition.
Patent WO-2019029427-A1 (WO)
Title: Method for monitoring pdcch, network device, and terminal
Inventor: PAN XUEMING
IPC: H04W72/12
Filed: 2018-08-02
Abstract: Disclosed are a method for monitoring a PDCCH, a terminal, and a network device. The method comprises: determining allocation information of at least one control resource set (CORESET); and transmitting, to a terminal, the allocation information of the at least one CORESET, wherein a carrier or a bandwidth part (BWP) is used as a unit for allocating the at least one CORESET, and the carrier comprises at least one BWP. When a carrier is used as a unit for allocating the at least one CORESET, the at least one CORESET is allocated to one carrier. When a BWP is used as a unit for allocating the at least one CORESET, the at least one CORESET is allocated to one BWP.
Patent WO-2019218542-A1 (WO)
Inventor: ZHAO YUNFENG
IPC: C08L73/00
Filed: 2018-09-03
Abstract: 一种具有离子导通性能的微孔聚合物膜，含有微孔及羧酸/羧酸盐/磺酸基团。微孔聚合物膜的制备步骤包括：以多羟基和多卤代单体制备微孔聚合物，将微孔聚合物配置铸膜液制备微孔聚合物膜。
Patent WO-2019047920-A1 (WO)
Title: Crystal form of oxadiazole derivative as ido1 inhibitor and preparation method therefor
Inventor: FU ZHIFEI
IPC: A61K31/4245
Filed: 2018-09-07
Abstract: Disclosed are a crystal form of an oxadiazole derivative (a compound of formula (I)) as an IDO1 inhibitor and a preparation method therefor.
Patent WO-2019062661-A1 (WO)
Title: Neuraminidase inhibitors containing carbamido, and medical uses thereof
Inventor: TIAN YONGSHOU
IPC: C07C279/24
Filed: 2018-09-21
Abstract: The present invention relates to the field of pharmaceutical chemistry, and specifically, to a kind of oseltamivir derivatives that are neuraminidase inhibitors containing carbamido, a preparation method therefor, and medical uses thereof. The derivatives are mainly used for treating infectious diseases caused by viruses. The compounds in the present invention are derivatives represented by formula (I), and pharmaceutically-acceptable salts or isomers, R1, R2 and R3 being described in the claims and the specification.
Patent WO-2019184361-A1 (WO)
Inventor: ZHANG WENZHEN
IPC: H04M1/02
Filed: 2018-11-06
Abstract: Described are a display screen assembly and an electronic device. The display screen assembly includes: a display module including a display panel and a touch panel arranged on the display panel, the display module includes a first end; a first flexible circuit board arranged at the first end of the display module, the first flexible circuit board is electrically connected to the display panel to drive the display panel to implement a display function; and a second flexible circuit board arranged at the first end of the display module, the second flexible circuit board is electrically connected to the touch panel to drive the touch panel to implement a touch function.
Patent WO-2020097870-A1 (WO)
Inventor: WANG RUI
IPC: G05F3/08
Filed: 2018-11-15
Abstract: A current distribution circuit and a storage device. The current distribution circuit comprises: a current distribution array (10), a control circuit (20) and a first protection circuit (30), wherein the current distribution array (10) comprises transistor array blocks distributed in an array, and generates multiple paths of externally supplied currents based on a reference current signal; the control circuit (20) is used for controlling a working state of the current distribution array (10); and the first protection circuit (30) is used for protecting a signal between the control circuit (20) and the current distribution array (10). By means of this method, a large-scale current distribution circuit can be realized, the current output of the large-scale current distribution circuit can be controlled, and a circuit signal can be guaranteed to be stable, so that an available current is provided for an ultra-large-scale power module.
Patent WO-2020103021-A1 (WO)
Title: Planning method and apparatus for surveying and mapping sampling points, control terminal and storage medium
Inventor: LIU PENG
IPC: G01C11/34
Filed: 2018-11-21
Abstract: Disclosed in the present disclosure are a planning method for surveying and mapping sampling points. Said method comprises: acquiring a photographing area combination corresponding to a photographing point combination set; according to the photographing area combination and surveying and mapping area information, determining one or more surveying and mapping photographing area combinations in a surveying and mapping area; according to a preset relative position relationship between photographing points in the photographing point combination set, determining a plurality of photographing positions in the surveying and mapping photographing area combinations; and using the plurality of photographing positions as surveying and mapping sampling points for surveying and mapping in the surveying and mapping area. Also disclosed are a planning apparatus for surveying and mapping sampling points, a control terminal and a storage medium.
Patent WO-2020097996-A1 (WO)
Title: Mounting and fixing structure for electromagnetic screen, and display
Inventor: LI YUANZHI
IPC: G06F3/046
Filed: 2018-11-30
Abstract: A mounting and fixing structure for an electromagnetic screen, and a display. The mounting and fixing structure comprises: a cover body (10) having a side wall defining a reserved space; a screen assembly (20) embedded in the reserved space of the cover body (10), an edge side end of the screen assembly (20) abutting against and being in contact with the side wall to limit free movement; an antenna plate (30) stacked and fixed on the back of the screen assembly (20), the cover body (10) being provided with limiting structures (12) abutting against and in contact with edge side ends of the antenna plate (30) to limit free movement; and fixing members (40) detachably provided on the cover body (10) and at least partially pressed to the back of the antenna plate (30). The reserved space formed by providing the side wall on the cover body (10) enables the screen assembly (20) to be embedded. The antenna plate (30) acts as a back plate to be pressed on the back of the screen assembly (20) for fixation, and then the fixing members (40) are used for locking to complete the mounting. The operation is simple, the conventional members such as a middle frame and the back plate are omitted, and the disassembly operation is simplified.
Patent WO-2020113455-A1 (WO)
Inventor: WU QICHAO
IPC: C08L23/16
Filed: 2018-12-05
Abstract: Disclosed is a polypropylene film formed by cross-linking the following components via radiation, wherein the components comprise: 20 to 50 parts by weight of polypropylene; 20 to 45 parts by weight of a polyolefin elastomer; 30 to 60 parts by weight of polyethylene; 0 to 10 parts by weight of an ethylene-vinyl acetate copolymer; 0.5 to 10 parts by weight of a cross-linking agent; and 0 parts to 1 part by weight of silicon dioxide. Compared with the prior art, the plastic absorption temperature of the polypropylene film is reduced by controlling and adjusting the content of polypropylene, which is a main material, polyolefin elastomer and polyethylene; in addition, by means of radiation modification, molecular chains of various polymers are cross-linked and intertwined, such that the melt strength of the polypropylene film is improved; and when the polypropylene film is subjected to high-temperature plastic absorption molding, the molecular chains are difficult to move, the product thus not easily cracking after plastic absorption, and the surface pattern of the product thus not easily fading or even disappearing.
Patent WO-2020113590-A1 (WO)
Inventor: Xiao li hong
IPC: H01L27/115
Filed: 2018-12-07
Abstract: A method for forming a gate structure of a 3D memory device is provided. The method comprises: forming multiple hybrid shallow trench isolation structures in a substrate; forming an alternating dielectric stack on the substrate, the alternating dielectric stack including multiple dielectric layer pairs each comprising a first dielectric layer and a second dielectric layer different from the first dielectric layer; forming multiple channel structures in the alternating dielectric stack; forming a slit penetrating vertically through the alternating dielectric stack and extending in a horizontal direction to divide the multiple channel structures and to expose a row of hybrid shallow trench isolation structures; replacing the second dielectric layers in the alternating dielectric stack with multiple gate structures through the slit; forming a spacer wall to fill the slit; and forming multiple array common source contacts each in electric contact with a corresponding hybrid shallow trench isolation structure.
Patent WO-2020037888-A1 (WO)
Title: 3d printing photo-curable non-transparent material and preparation method thereof, 3d printing product and 3d printer
Inventor: WANG LIKUN
IPC: C08F2/44
Filed: 2018-12-11
Abstract: The invention provides a 3D printing photo-curable non-transparent material and a preparation method thereof, a 3D printing product and a 3D printer. The 3D printing photo-curable non-transparent material comprises the following components in parts by weight: 30-70 parts of a first acrylate component, 20-60 parts of a second acrylate component, 0.5-5 parts of photoinitiator, 0.5-8 parts of auxiliary and 0-4 parts of colorant; wherein, the first acrylate component is a polar acrylate component; the second acrylate component is at least one selected from the group of a weakly polar acrylate component and a non-polar acrylate component. The 3D printing photo-curable non-transparent material of the invention can make the 3D printing product be non-transparent without needing to add white pigments such as titanium dioxide, and thus the material has high stability and can ensure smoothness in the 3D printing process, so that the 3D printing product has good quality, and the 3D printer containing the 3D printing photo-curable non-transparent material has good performance.
Patent WO-2020098039-A1 (WO)
Inventor: FUNG EDDIE
IPC: A43B17/14
Filed: 2018-12-14
Abstract: 一种改性水性聚氨酯鞋垫的制备方法，包括以下步骤：将水性聚氨酯预聚体乳液、橡胶乳液、发泡剂、稳泡剂、催化剂、硬化剂搅拌混合形成改性水性聚氨酯；将改性水性聚氨酯注入鞋垫模具里，加热发泡成型；将发泡成型的鞋垫从模具取出，对鞋垫上残留边角进行切除。利用改性水性聚氨酯鞋垫的制备方法进行鞋垫的生产，简化了鞋垫的生产工序，使得鞋垫的生产更加快速，节省人力物力，进而降低了生产成本。
Patent WO-2020118669-A1 (WO)
Title: 检测学生专注度的方法、计算机存储介质及计算机设备
Inventor: FENG WEI
IPC: G06K9/00
Filed: 2018-12-14
Abstract: 一种检测学生专注度的方法、计算机可读存储介质以及计算机设备，其中方法包括：获取多个学生中每个学生的学生姿态数据、学生视线方向向量及学生位置坐标（S100）；根据每个学生的视线方向向量获得每个学生的初始专注度（S200）；根据每个学生的学生姿态数据、学生视线方向向量及学生位置坐标对每个学生的初始专注度进行修正，以获得每个学生的修正专注度（S300）。该方法通过在检测时刻获取多个学生中每个学生的学生姿态数据、学生视线方向向量及学生位置坐标，对每个学生的初始专注度进行修正，可以判断学生的实时专注度情况，并且使用学生课堂行为检测的结果来对专注度检测的结果进行修正，可以提高检测结果的准确性。
Patent WO-2020052136-A1 (WO)
Title: Degradable foldable biological amniotic membrane composite repair stent
Inventor: MIAO CHUNYUN
IPC: A61F2/90
Filed: 2018-12-17
Abstract: A degradable foldable biological amniotic membrane composite repair stent, comprising a tubular body (1) having an axially extending through hole; a front end of the tubular body (1) is provided with an elastic balloon (2), and a check valve (3) is connected to an end of the tubular body (1), the check valve (3) closing the through hole at said location; an outer surface of the elastic balloon (2) is covered with a foldable mesh tubular polylactic acid stent (4), and an outer surface of the foldable mesh tubular polylactic acid stent (4) is coated with a biological amniotic membrane (5); the mesh of the foldable mesh tubular polylactic acid stent (4) is provided thereon with a plurality of micropores, and the plurality of micropores are filled with biological amniotic membrane powder; in an initial state, the elastic balloon (2), the foldable mesh tubular polylactic acid stent (4) and the biological amniotic membrane (5) are compressed into a tight state; in a used state, after being implanted in the body and being pressurized for expansion, the stent may conform to the lacrimal duct/uterine cavity to form a tubular or water drop-like shape or a spacial shape adapted to another body cavity.
Patent WO-2019120226-A1 (WO)
Inventor: LI XINGLIANG
IPC: G06F12/0862
Filed: 2018-12-19
Abstract: 一种数据访问预测方法和装置，可以根据存储设备的每个存储单元所存储的数据的数据特征，为存储设备的每个存储单元建立一个数据子集树，使得存储设备可以以数据子集树中的叶子子集为粒度进行预取操作，可以提高存储设备执行预取操作的概率，从而可以提高存储设备的数据访问效率。另外，存储设备可以以叶子子集中数据的访问顺序，预取主机下一次要在叶子子集中读取的数据，可以提高存储设备预取主机下一次要在叶子子集中读取的数据的准确率，进一步提高了存储设备的数据访问效率。
Patent WO-2019165831-A1 (WO)
Title: 显示装置、虚拟现实设备及驱动方法
Inventor: ZHAO BIN
IPC: G02B27/00
Filed: 2018-12-20
Abstract: 公开了一种显示装置、虚拟现实设备及驱动方法。该驱动方法用于驱动一显示装置(1)，显示装置(1)包括显示阵列(10)和光阀阵列(20)，显示阵列(10)包括多行子像素；光阀阵列(20)包括多个子光阀，多个子光阀中的每一个与至少一行子像素对应，光阀阵列(20)位于显示阵列(10)的出光侧；驱动方法包括：在与子光阀对应的至少一行子像素中的任一子像素处于显示操作的响应阶段时，使得该子光阀处于不透光状态。该驱动方法可以改善显示过程中的拖影现象，提高显示装置的显示质量。
Patent WO-2019129192-A1 (WO)
Title: 电子设备
Inventor: WANG XIAOBING
IPC: H04M1/03
Filed: 2018-12-28
Abstract: 本申请实施例提供了一种电子设备，包括显示模组、电子组件和摄像头模组，显示模组具有非显示区；至少部分的电子组件于显示模组上的正投影的区域与非显示区重叠，电子组件包括传感器、柔性电路板和受话器，柔性电路板包括相背设置的第一面和第二面，传感器设置于柔性电路板的第一面上，且传感器电连接于柔性电路板，受话器设置于柔性电路板的第二面上；摄像头模组与电子组件并排设置，且至少部分的摄像头模组于显示模组上的正投影的区域与非显示区重叠。本申请实施例提供的电子设备通过使传感器、柔性电路板和受话器呈堆叠状的电子组件，节省了电子组件与电子设备的X向的尺寸。
Patent WO-2019141207-A1 (WO)
Title: Steam rice cooker
Inventor: ZHU ZECHUN
IPC: A47J36/00
Filed: 2019-01-17
Abstract: A steam rice cooker comprises a machine body (100) and a pot (200). The machine body (100) is provided with a steam generator and is laterally provided with an open space (10). A machine head (1) is provided at a top portion of the open space (10). The open space (10) is used to accommodate the pot (200). The pot (200) comprises a pot body (3) and a pot lid (2, 300). The pot lid (2, 300) is provided with a receiving portion to align and connect with the machine head (1). The machine head (1) is provided with a steam outlet (11). The steam outlet (11) communicates with the steam generator. The receiving portion (4) is provided with a steam inlet (41, 310). The steam outlet (11) is used to align and connect with the steam inlet (41, 310). Retrieval and placement of the pot is facilitated by means of the open space (10). Steam is introduced into the pot body (3) via the steam outlet (11) of the machine head (1). The steam permeates a cooking cavity formed by the pot body (3) and the pot lid (2, 300), realizing omni-directional heating within the cooking cavity, enabling uniform heating within the pot body, and overcoming the drawback of uneven heating caused by heating the pot body (3) only from the bottom or from the sides.
Patent WO-2020147103-A1 (WO)
Inventor: CHEN XIONG
IPC: A61N5/06
Filed: 2019-01-18
Abstract: 一种脸部美容装置，包括形状与人脸适配的外保护层（10）、柔性电路板（20）和内接触层（30）；柔性电路板（20）具有相对设置的内表面和外表面，内接触层（30）和外保护层（10）分别覆盖连接于内表面和外表面上；脸部美容装置还包括若干个发热部件（40）、若干个震动部件（50）、若干温度检测部件（60）和若干用于光疗美容的发光部件（70）；各发热部件（40）均设置于柔性电路板（20）内，各震动部件（50）、各温度检测部件（60）以及各发光部件（70）均设置于内表面上。该脸部美容装置集热敷、按摩、光疗以及检测功能为一体，能够满足用户的多样化需求，同时，还具有发热量的调整功能，使得脸部美容仪的使用更为舒适。
Patent WO-2020177081-A1 (WO)
Inventor: LAO ZHIHAO
IPC: H03F3/08
Filed: 2019-03-05
Abstract: Disclosed is a trans-impedance amplifier with a direct-current drift elimination function and an automatic gain control function. The trans-impedance amplifier comprises an amplifier, a trans-impedance feedback loop, and a direct-current drift elimination and automatic gain control loop, wherein the direct-current drift elimination and automatic gain control loop is respectively connected to an input end and an output end of the amplifier, so as to match a direct-current component in an input current signal and eliminate a direct-current drift; and an electrical parameter of the loop is adjusted according to the magnitude of an output voltage signal, so as to adjust the gain of an entire trans-impedance amplifier circuit. Therefore, compared with a traditional trans-impedance amplifier circuit, a direct-current drift elimination function and an automatic gain control function are realized at the same time by means of one circuit branch, without affecting the shape of a frequency response curve, and the bandwidth and the phase margin of a circuit, improving the stability of the circuit.