baber/WOPTO huggingface dataset:
Patent WO-2021042860-A1 (WO)
Title: Device binding method and apparatus
Inventor: GUO YINGSHAN
IPC: H04L12/28
Filed: 2020-07-06
Abstract: The present disclosure discloses a device binding method and apparatus, used to resolve the issue of the prior art in which the operation of controlling a smart device in a certain position is cumbersome. The method of embodiments of the present disclosure comprises: a user terminal sending target address information to a server; the server encrypting the target address information, generating a verification password, and sending the verification password to the user terminal; the user terminal sending, by means of a transmission device, the verification password to a device awaiting binding; the device sending the received verification password and a device identifier of the device to the server; and if the verification password sent by the device is the same as the verification password generated by the server, the server binding the target address information corresponding to the received verification password to the device identifier. The verification password is used to determine that binding of the target address information to the device has been performed, and the user terminal controls the device by means of the selected target address information, thereby facilitating operation.
Patent WO-2021008567-A1 (WO)
Title: 基于全双工通信协议的请求传输方法及装置
Inventor: YIN QIANG
IPC: H04L29/06
Filed: 2020-07-15
Abstract: 本发明公开了基于全双工通信协议的请求传输方法及装置，其中方法为：目标转发器确定第一WebSocket请求对应的至少一个目标微服务实例；针对所述至少一个目标微服务实例中的每个目标微服务实例，所述目标转发器通过所述目标微服务实例对应的第一WebSocket通道发送所述第一WebSocket请求至所述目标微服务实例。上述方法应用于金融科技（Fintech）领域时，目标转发器可以同时与多个微服务的微服务实例进行通信传输，提升了WebSocket请求传输的灵活性。
Patent WO-2021013148-A1 (WO)
Inventor: WANG YANGPENG
IPC: G06F3/041
Filed: 2020-07-21
Abstract: 提供一种触控结构、触控显示面板及触控显示装置，涉及触控技术领域。该触控结构包括：至少一个触控电极条(100, 200)，每个触控电极条(100, 200)包括多个电连接的触控电极(10, 11)。至少一个触控电极(10, 11)包括第一导电层、第二绝缘层(20)，第二导电层和至少一个导电连接部(14)。所述第一导电层包括至少一个第一导电单元(25)；第二绝缘层(20)，覆盖所述第一导电层，所述第二绝缘层(20)上形成有至少一个贯通孔(21)，以使每个第一导电单元(25)的部分露出；第二导电层，形成在所述第二绝缘层(20)上，所述第二导电层包括至少一个第二导电单元(26)；每个导电连接部(14)设置于一个贯通孔(21)中，且所述导电连接部(14)的两端分别与一个第二导电单元(26)和一个第一导电单元(25)连接。
Patent WO-2021082593-A1 (WO)
Inventor: ZHANG FUZENG
IPC: G06K9/62
Filed: 2020-08-06
Abstract: A pollution classification method, comprising: obtaining spectral data of pollution to be detected on the surface of an insulator; normalizing the spectral data to obtain full spectral data; performing clustering analysis on the full-spectrum data according to a preset principal component analysis method model to obtain a pollution score graph; and determining a pollution type of said pollution on the surface of the insulator according to the pollution score graph, wherein the pollution types comprise algae pollution and common pollution. Also provided are a pollution classification apparatus and device, a medium, and a data obtaining system. By means of multiple embodiments, the problem in the prior art that the pollution type of the pollution on the surface of the insulator cannot be accurately distinguished is solved.
Patent WO-2022041105-A1 (WO)
Inventor: WANG LI
IPC: H02J50/10
Filed: 2020-08-28
Abstract: A wireless charging system for charging batteries (112) in a medical environment is provided. The wireless charging system may include a power transmitter and a power receiver. The power transmitter produces a strong near-distance magnetic field and transmits the magnetic field via a transmitting antenna to a power receiver. The power receiver may receive the transmitted magnetic field via a power receiver antenna. The converted electrical power may charge multiple rechargeable batteries (112) simultaneously with high efficiency.
Patent WO-2021077987-A1 (WO)
Title: Security vulnerability defense method and device
Inventor: JIANG WU
IPC: H04L29/06
Filed: 2020-09-25
Abstract: A security vulnerability defense method and device. The method comprises: a vulnerability management device acquiring asset information of assets of a first network device, wherein the asset information comprises asset identification, asset model, and asset version, and the first network device is located within a controlled network; the vulnerability management device acquiring, on the basis of the asset model and asset version in the asset information, vulnerability information corresponding to the asset information; and the vulnerability management device determining a vulnerability response playbook corresponding to the vulnerability information, wherein the vulnerability response playbook is used for executing, after being parsed, a vulnerability defense strategy for the first network device. By executing the method, it is possible to quickly match and discover the security vulnerabilities in a network device, generate and execute a vulnerability defense strategy in time, and perform emergency protection on the network device, so as to prevent the network device from being attacked before receiving a vulnerability patch, which affects the security of network operation.
Patent WO-2022087851-A1 (WO)
Inventor: CHEN YIPENG
IPC: G11C19/28
Filed: 2020-10-27
Abstract: 涉及显示技术领域，提出一种阵列基板和显示装置，阵列基板包括像素驱动电路和数据线，像素驱动电路包括驱动晶体管（DT）、第一晶体管（T1）、以及第二晶体管（T2），驱动晶体管（DT）和第一晶体管（T1）为P型晶体管，第二晶体管（T2）为N型晶体管。阵列基板还包括：衬底基板（0）、第一导电层，第一导电层设置于衬底基板（0）的一侧，第一导电层包括：第一导电部（13）、第一栅线（11）、第二栅线（12），第一导电部（13）用于形成驱动晶体管（DT）的栅极；第一栅线（11）位于第一导电部（13）的一侧，部分第一栅线（11）用于形成第一晶体管（T1）的栅极；第二栅线（12）位于第一栅线（11）远离第一导电部（13）的一侧，部分第二栅线（12）用于形成第二晶体管（T2）的第一栅极。该阵列基板能够降低第二晶体管（T2）关断时对驱动晶体管（DT）栅极的下拉影响。
Patent WO-2021169352-A1 (WO)
Inventor: XIE LONGHAN
IPC: A61H1/02
Filed: 2020-10-29
Abstract: A wearable mobile robot for lower limb rehabilitation training, comprising a movable body, a liftable training space frame, and an integrated flexible wearable actuator that is worn on a lower limb of the human body. The lower limb of a patient is assisted to carry out natural gait training by means of the rehabilitation robot, reducing the work intensity of a rehabilitation therapist. A wearable flexible fabric integrated with a Bowden cable is used as the actuator, thus reducing the interference of the robot on subtle movements of the lower limb of the human body, and facilitating the patient to regain a natural gait. Using the movable body design increases the pleasure and sense of reality of the patient in the rehabilitation process, and is beneficial to improving the rehabilitation effect. The design of using a semi-enclosed workspace is advantageous for protecting the safety of the patient during training. By adjusting the height of the arms, the present invention adapts to users of different heights. Meanwhile, the ability of the patient to complete a rehabilitation task is improved by tracking the position of the lower limb by means of a visual sensing mechanism.
Patent WO-2022087964-A1 (WO)
Inventor: GUO SHU
IPC: H04W12/00
Filed: 2020-10-29
Abstract: A user equipment (UE) establishes a first type of connection to a first public land mobile network (PLMN), the first type of connection having a first non-access stratum (NAS) Count pair corresponding to a first NAS security context associated with the first PLMN, establishes a second type of connection to a second PLMN, wherein a previous second type of connection was established with the first PLMN, wherein the previous second type of connection has a second NAS Count pair corresponding to the first NAS security context, wherein the second type of connection has a third NAS Count pair corresponding to a second NAS security context associated with the second PLMN and deregisters the previous second type of connection with the first PLMN to reset the second NAS count pair at the first PLMN.
Patent WO-2021083291-A1 (WO)
Inventor: GU JIANLIANG
IPC: G06Q40/04
Filed: 2020-10-29
Abstract: Methods, apparatuses, devices, and systems for facilitating enterprise-to-enterprise financial transactions in a supply chain. In an example, the method includes: receiving, by a management server, a virtual currency transfer request from a first device, wherein the virtual currency transfer request includes a first amount of a to-be-transferred virtual currency and an identifier of a second device; and transferring, by the management server in response to the virtual currency transfer request, the virtual currency of the first amount belonging to the first device to the second device corresponding to the identifier of the second device. The transferred virtual currency may be used to be exchanged for a legal currency. In this example delivery is performed based on a virtual currency, and when an enterprise in the supply chain needs to obtain funds, a virtual currency belonging to that enterprise can be exchanged for a legal currency at any time.
Patent WO-2022104546-A1 (WO)
Inventor: XU XIAOFU
IPC: H01M50/20
Filed: 2020-11-17
Abstract: 一种电池（1）、使用电池（1）的装置、电池（1）的制备方法和制备设备，其中，所述电池（1）包括：多个电池单体（10）；支撑件（20），所述支撑件（20）用于支撑所述多个电池单体（10），其中，所述支撑件（20）上设有凹陷部（21），部分所述电池单体（10）伸入并支撑在所述凹陷部（21）内。所述电池（1）的安全系数较高。
Patent WO-2021232731-A1 (WO)
Title: Wdm1r combiner for pon
Inventor: DAI DAOXIN
IPC: H04J14/02
Filed: 2020-11-27
Abstract: A WDM1r combiner for a PON. The output end of an input waveguide (1) is connected to the input end of a first grating filter (a1), the output end of the first grating filter (a1) is connected to the input ends of a first mode filter (b1), a second grating filter (a2), a second mode filter (b2), a connecting waveguide (2), a third grating filter (a3), a third mode filter (b3), and a fourth grating filter (a4) in sequence, and the output end of the fourth grating filter (a4) is connected to an output waveguide (3). The function of the WDM1r combiner for a PON is achieved in the form of cascaded grating filters; different central wavelengths and bandwidths of four channels are obtained by optimizing a grating structure; an on-chip WDM1r combiner which is low in insertion loss and crosstalk and has flat-top response is obtained; the combiner has the advantages of being simple in structure, simple in process, excellent in performance, etc.
Patent WO-2022077718-A1 (WO)
Inventor: LIU JINFENG
IPC: G09G3/20
Filed: 2020-11-30
Abstract: Panneau d'affichage et dispositif d'affichage. Le panneau d'affichage comprend une puce d'attaque de source (SD) ; la puce d'attaque de source (SD) comprend un module de compensation de charge (100) ; et le module de compensation de charge (100) comprend une pluralité de registres à décalage en cascade (SR) servant à émettre une pluralité de signaux d'impulsion (Sout) répartitis dans le temps, et une pluralité de circuits de décalage de niveau (LS) qui ont pour fonction de s'activer en répartition dans le temps en réponse à la pluralité de signaux d'impulsion (Sout), de façon à éviter le problème du brouillage électromagnétique dû à la superposition de pics de courant provoquée par l'émission simultanée d'une pluralité de courants par la pluralité de circuits de décalage de niveau (LS).
Patent WO-2021115178-A1 (WO)
Inventor: SHUAI CHAOCHUN
IPC: G06F9/445
Filed: 2020-12-02
Abstract: An application program pre-compilation method and apparatus, a server and a storage medium. The method comprises: acquiring a plurality of hotspot compilation units corresponding to a target application program (S110, S310); dividing the plurality of hotspot compilation units into a plurality of parts, and respectively generating a first configuration file corresponding to each of the parts, so as to obtain a plurality of first configuration files (S120), hotspot compilation units included in different first configuration files corresponding to different pre-compilation stages; and transmitting the plurality of first configuration files to an electronic device (S130). Said method enables a plurality of hotspot compilation units corresponding to a target application program to be pre-compiled in multiple stages instead of being pre-compiled in a centralized way, thereby improving the flexibility of pre-compilation, reducing the performance consumption caused by centralized compilation of hotspot compilation units, and improving the operation fluency of an electronic device.
Patent WO-2021169473-A1 (WO)
Title: 模型性能优化方法、装置、设备及存储介质
Inventor: CAI LIN
IPC: G06N20/00
Filed: 2020-12-30
Abstract: 一种模型性能优化方法、装置、设备及存储介质，所述方法包括：将预设的负例训练数据输入待训练模型得到预测结果(S10)；当预测结果表征负例训练数据被预测为负例的概率大于预设阈值时，对负例训练数据对应的损失函数值进行修正，其中，修正后的损失函数值小于修正前的损失函数值(S20)；根据修正后的损失函数值调整待训练模型的模型参数，以对待训练模型进行训练得到目标模型(S30)。
Patent WO-2021159887-A1 (WO)
Inventor: LI SHIJIE
IPC: G03B21/58
Filed: 2020-12-31
Abstract: 一种投影屏幕装置（300），包括投影屏幕（200）和屏幕固定调节装置（100）；屏幕固定调节装置（100）包括屏幕固定机构（1）和连接调节机构（2）；连接调节机构（2）用于调节屏幕固定机构（1）沿第二方向的位移，以实现调节投影屏幕（200）沿第二方向的位移，连接调节机构（2）设有沿第三方向延伸且呈长条形的第一腰形孔（2211）；屏幕固定机构（1）包括抵接于投影屏幕（200）的角夹（11）和由角夹（11）向连接调节机构（2）的方向延伸的连接件（12），连接件（12）插入第一腰形孔（2211）形成滑动连接用于调节投影屏幕（200）沿第一方向和第三方向的位移；第一方向垂直于投影屏幕（200），第一方向、第二方向以及第三方向两两相互垂直。投影屏幕装置（300）具有三维的自由度可调、可调整体屏幕平面度、重量轻且易于运输和安装。
Patent WO-2021159898-A1 (WO)
Title: Privacy protection-based deep learning method, system and server, and storage medium
Inventor: LIU LI
IPC: G06N3/04
Filed: 2021-01-11
Abstract: A privacy protection-based deep learning method, system and server, and a storage medium. Said method is applied to a server, and comprises: sending, to a mobile terminal, a feature extraction module in a trained deep learning model, so that the mobile terminal inputs data to be processed into the feature extraction module, to obtain feature information corresponding to said data, and feeding back the feature information (S10); and inputting the feature information fed back by the mobile terminal into a result generation module in the trained deep learning model, outputting a result, and sending the result to the mobile terminal (S20). The present invention solves the problem in the prior art of privacy information leakage caused by deep learning using a deep learning framework provided on a cloud or a server.
Patent WO-2021232841-A1 (WO)
Title: 通信方法和装置
Inventor: YU YOUYANG
IPC: H04W76/15
Filed: 2021-01-26
Abstract: 本申请实施例提供一种通信方法和装置，涉及通信领域。方法包括：控制网元确定第一设备支持互联网传输层协议QUIC能力和接入业务流的选路切换分流底层ATSSS-LL能力。控制网元指示第一设备基于QUIC功能或QUIC隧道，和ATSSS-LL功能进行QUIC业务流的多链路传输。本申请实施例可以利用QUIC功能或QUIC隧道，与ATSSS-LL功能一起实现业务流的多接入分流的方案，从而可以优化传输效率，如减低时延、提升带宽或提高链路可靠性等。
Patent WO-2022083037-A1 (WO)
Inventor: YAO RUI
IPC: A61L27/14
Filed: 2021-02-19
Abstract: 一种仿生人工肝组织及其制备方法与应用。该仿生人工肝组织具有以下三种特征之一：（1）含有接近人体天然组织的极高的细胞密度，具有仿生的生理功能；（2）含有类胆管和类肝脏组织结构，肝细胞呈肝板样或团簇形态，胆管上皮细胞呈胆管样三维脉管网络形态，组织功能良好；（3）所述仿生人工肝组织中细胞以小尺寸团簇的形式均匀分散在整个结构中，具有仿生的生理功能。仿生肝组织的制备方法以及在药物临床前检测、再生医学和体内移植、生物人工肝和肝功能代偿、肝脏疾病学、新药研发、组织发育、肝组织再生、药物毒理学检测、环境、大气、水体污染物和毒理学检测等领域被提及。
Patent WO-2021232894-A1 (WO)
Title: Cold storage thermal insulation container capable of rapid cooling for cold chain logistics
Inventor: WU DI
IPC: F25D3/00
Filed: 2021-03-09
Abstract: The present invention relates to a cold storage thermal insulation container capable of rapid cooling for cold chain logistics, and solves the problem in the prior art that the circulation efficiency of cold storage thermal insulation containers is affected due to existing cold storage thermal insulation containers and thermal insulation media requiring frequent replacements and long periods of cooling. The present apparatus comprises a box body; a cold storage device is arranged at the bottom of the box body, said cold storage device comprising a shell; a cooling inlet and a cooling outlet are respectively provided on two opposite sides of the shell; the cooling inlet and the cooling outlet pass through sidewalls of the box body, and are each provided with a matching detachable thermal insulation sealing cover; an inlet grating is arranged on the inner side of the cooling inlet; an outlet grating is arranged on the inner side of the cooling outlet; grating bars of the inlet grating and the outlet grating are arranged vertically; multiple layers of retainers are mounted between the inlet grating and the outlet grating in an up-down manner; a plurality of cold storage capsules are embedded on the retainers; the cold storage capsules are filled with a cold storage medium. According to the present invention, a cold storage module can be replaced without opening the container, thereby achieving rapid and repeated cooling and greatly improving the efficiency and flexibility of cold chain circulation.
Patent WO-2021190327-A1 (WO)
Inventor: HE HAO
IPC: G11C29/56
Filed: 2021-03-12
Abstract: Provided are a memory test system and method. The memory test system comprises: a plurality of test apparatuses (120), an upper computer (110) and drive modules (130), wherein each test apparatus (120) is provided with a test interface, and the test interfaces are used for connecting memories to be tested (210); the upper computer (110) is respectively connected to the plurality of test apparatuses (120), and the upper computer (110) is used for controlling the test apparatuses (120) to test said memories (210); and the drive modules (130) are connected to the test apparatuses (120), the drive modules (130) output drive signals to the test apparatuses (120), and the drive signals are used for driving the test apparatuses (120) and the upper computer (110) to perform data interaction. The efficiency of testing memories is improved.
Patent WO-2022193285-A1 (WO)
Title: Procédé de communication et dispositif de communication
Inventor: GAO LEI
IPC: H04W52/02
Filed: 2021-03-19
Abstract: La présente demande concerne un procédé de communication et un dispositif de communication, aptes à améliorer la performance d'envoi d'informations de diffusion. Le procédé comprend les étapes consistant : à acquérir une durée t de cycle d'envoi ; et à envoyer des informations de diffusion à un premier instant tn, n étant un nombre entier positif. Le premier temps tn satisfait à tn = Tn+Mn*H, et T= N*H, tn étant un instant de début d'envoi des informations de diffusion dans le n-ième cycle d'envoi, Tn étant un instant de début du n-ième cycle d'envoi, H étant une unité de longueur de temps, M1 étant un nombre entier non négatif inférieur à N, N étant un nombre entier positif, et Mn étant des informations de décalage du n-ième cycle d'envoi, Mn+1et Mn satisfaisant à Mn+1=mod(Mn+An, P), un paramètre de diffusion P étant un diviseur de N, An étant un paramètre de décalage correspondant au n-ième cycle d'envoi et étant un nombre entier positif, et P>M1.
Patent WO-2021190518-A1 (WO)
Inventor: CAO XIAOQIANG
IPC: H04N19/117
Filed: 2021-03-23
Abstract: The present application provides decoding, encoding, and encoding/decoding methods, apparatuses and devices. The decoding method comprises: if an inter-frame prediction filtering allowing flag bit allows the current block to use inter-frame prediction filtering, and the current block satisfies an inter-frame prediction filtering condition, parsing an inter-frame prediction filtering identifier of the current block from an encoding bit stream of the current block; if the inter-frame prediction filtering identifier indicates that the filtering type of the current block is inter-frame prediction filtering, performing inter-frame prediction filtering processing on the current block, and obtaining a target prediction value of the current block; and if the inter-frame prediction filtering identifier indicates that the filtering type of the current block is enhanced inter-frame prediction filtering, performing enhanced inter-frame prediction filtering processing on the current block, and obtaining a target prediction value of the current block.
Patent WO-2021248983-A1 (WO)
Title: 接入点功能、中继功能自动开启方法及电子设备
Inventor: HU YUFENG
IPC: H04W48/16
Filed: 2021-03-29
Abstract: 本申请实施例公开了一种接入点功能、中继功能自动开启方法及电子设备，涉及终端技术领域。电子设备开机后，如果连接有线网络且在预设时长内未使用网络，则开启AP模式；如果连接无线网络且在预设时长内未使用网络，则开启中继器模式。能够在个人计算机、智慧屏等电子设备上自动开启AP功能、中继功能，将消费者的现有设备设置为AP或中继器。消费者不需要购买专门的AP或中继器，改善消费者的WiFi使用体验。
Patent WO-2021213378-A1 (WO)
Title: 一种超声波雾化器及电子烟
Inventor: LIU JIANFU
IPC: A24F40/42
Filed: 2021-04-20
Abstract: 本发明公开了一种超声波雾化器及电子烟，其包括油仓、导油结构和超声波雾化片，所述导油结构包括具有固定导油孔隙的导油体，所述导油体将所述油仓的出油口封堵，且所述导油体的内侧安装转接座，所述转接座与所述导油体之间夹设固定柔性储油件，所述储油件的部分表面与所述超声波雾化片的雾化区域接触。所述超声波雾化片与所述转接座之间设置为雾化腔，所述转接座的底部设置进气孔、中心孔和出气槽，所述中心孔正对所述超声波雾化片的雾化区域设置，且所述进气孔依次连通所述中心孔、雾化腔和出气槽。本发明导油速度稳定，且可使烟雾中的烟油滴减少，避免用户吸食到烟油滴。
Patent WO-2022236617-A1 (WO)
Title: 一种无线充电相关信息发送、收发、接收方法和装置
Inventor: HONG WEI
IPC: H02J50/00
Filed: 2021-05-10
Abstract: 本公开涉及无线充电相关信息发送、收发、接收方法和装置，所述无线充电相关信息发送方法包括：将所述终端的无线充电相关信息发送至核心网。根据本公开，第一基站可以将终端的无线充电相关信息发送至核心网。核心网可以将无线充电相关信息发送至终端需要切换到的第二基站，也即终端需要切换到的小区对应的基站，从而使得第二基站可以为终端配置无线充电配置。据此，有利于确保终端在切换到第二基站后，第二基站能够为终端提供合适的无线充电配置，以便终端继续通过第二基站进行无线充电。
Patent WO-2022166026-A1 (WO)
Inventor: DONG WENJI
IPC: C12N7/01
Filed: 2021-05-14
Abstract: A Cre recombinase induction-based large-scale lentiviral gene drug preparation system, which comprises: a suspended 293 stable cell line and a virus that expresses the Cre gene; a lentivirus packaging protein expression sequence and a target gene sequence are integrated on the genome of the suspended 293 stable cell line; a LoxP-Stop-LoxP sequence is inserted between the lentivirus packaging protein expression sequence and a promoter driving same to be expressed; the LoxP-Stop-LoxP sequence contains two LoxP sites of a same direction and a Stop sequence connected between the two LoxP sites; the virus that expresses the Cre gene is a virus able to infect a suspended 293 cell and is able to express a Cre protein; the virus that expresses the Cre gene is used for infecting the suspended 293 stable cell line, and activating the lentivirus packaging protein expression sequence to perform expression, so as to package and produce a lentivirus.
Patent WO-2022001725-A1 (WO)
Inventor: YUAN WEILONG
IPC: A47J31/00
Filed: 2021-06-21
Abstract: 一种饮水设备、饮水系统、饮水设备的控制方法和存储介质，其中，饮水设备包括：本体（102），本体（102）上设置有接水区域（104）；储水装置，设置于本体（102）上；检测装置（106），设置于本体（102）上，检测装置（106）可发射并接收调频连续波；存储装置，存储装置存储有计算机程序；控制装置，控制装置执行计算机程序时实现：控制检测装置（106）朝向接水区域（104）发射调频连续波（步骤202）；控制检测装置（106）接收调频连续波经接水容器（108）反射后形成的第一反射波（步骤204）；根据调频连续波和第一反射波，控制储水装置出水（步骤206）。该饮水设备可实现饮水设备的无接触式自动出水控制，并且控制精度更加准确，控制可靠性更高。
Patent WO-2022002006-A1 (WO)
Title: Binding protein in fab-hcab structure
Inventor: HE YUN
IPC: C07K16/18
Filed: 2021-06-29
Abstract: Provided is a binding protein, which comprises a protein functional region A and a protein functional region B, both of which target different antigens or different epitopes of antigens. The protein functional region A is Fab; the protein functional region B is VH; and the binding protein also comprises an Fc homodimer. There are two of both the protein functional region A and the protein functional region B. The binding protein has a left-right symmetrical structure. The binding protein consists of the protein functional region A, the protein functional region B and Fc in sequence from the N-terminus to the C-terminus, wherein the protein functional region A and the protein functional region B are connected by means of L1, and the protein functional region B is connected to the Fc by means of L2. The binding protein has a relatively small molecular mass, few polypeptide chains and a simpler structure. The protein has a versatile structure and may be applied to a variety of different target combinations. Compared with bispecific binding proteins in other structures, the binding protein has stronger ability to activate effector cells.