baber/WOPTO huggingface dataset:
Patent WO-2022088236-A1 (WO)
Title: Waterless dyeing method and system for viscose fiber
Inventor: GAO CHAO
IPC: D06P3/02
Filed: 2020-11-09
Abstract: The present invention relates to the technical field of fiber dyeing, and in particular to an environmentally friendly waterless dyeing method and a fitting dyeing system, especially a waterless dyeing method and system for a viscose fiber. The method comprises the steps of: 1-1, loading a viscose fiber; 1-2, dyeing the viscose fiber; 1-3, performing primary dyeing and over dyeing; 1-4, adjusting the pressure and dyeing; 1-5, repeating the primary dyeing and over dyeing step to realize enhanced over dyeing to obtain a final solid dyeing viscose fiber; and 1-6, controlling the waterless dyeing system for the viscose fiber to unload the solid dyeing viscose fiber. According to the present invention, during waterless dyeing, a carbon dioxide fluid in a supercritical state cooperates with the dye for dyeing, which can effectively ensure that the dye is fully immersed into the fiber during dyeing, and improve the dyeing effect.
Patent WO-2021109898-A1 (WO)
Inventor: LIU CHUNLI
IPC: F04B39/06
Filed: 2020-11-24
Abstract: A double-phase winding power-on heating method of a three-phase compressor (3). The method comprises the steps: acquiring a last power-on winding combination of the three-phase compressor (3); and on the basis of an acquired result, enabling the three-phase compressor (3) to execute a power-on winding combination different from the last power-on winding combination. According to the method, use of all phases of the three-phase compressor (3) can be balanced, such that the three phases of the three-phase compressor (3) are averagely aged, and the service life of the three-phase compressor (3) is prolonged.
Patent WO-2022000960-A1 (WO)
Title: Obstacle-crossing termination determination method, obstacle-crossing control method, chip, and robot
Inventor: LI MING
IPC: G05D1/02
Filed: 2020-11-24
Abstract: An obstacle-crossing termination determination method, an obstacle-crossing control method, a chip, and a robot. The obstacle-crossing termination determination method comprises: when a robot walks along an edge according to a pre-planned shortest predicted path along the edge, selecting a second preset turning point set, which meets a guiding condition, from a preset navigation path (S101); acquiring an optimal turning point from the second preset turning point set, which meets the guiding condition (S102), such that the optimal turning point is a turning point, the distance between which and the current position of the robot is closest to an obstacle-crossing determination threshold value, from among all the turning points in the second preset turning point set, which meets the guiding condition; determining whether an obstacle is marked on a line segment which connects the optimal turning point to the current position of the robot (S103); if so, determining that the current obstacle crossing performed by the robot is not terminated (S104); otherwise, determining that the current obstacle crossing performed by the robot is terminated (S105). By using the obstacle-crossing termination determination method, the obstacle crossing speed and navigation efficiency of the robot are improved. By using the obstacle-crossing control method, the robot is controlled, on the basis of the obstacle-crossing termination determination method, to terminate obstacle crossing along an edge and to return to a navigation path.
Patent WO-2022062163-A1 (WO)
Title: 摄像头驱动马达的光学稳像性能测试方法
Inventor: ZHANG CHAO
IPC: G03B43/00
Filed: 2020-11-26
Abstract: 一种摄像头驱动马达（10）的光学稳像性能测试方法，包括如下步骤：将摄像头驱动马达（10）安装在测试工装（2）上，并使其分别与X/Y方向位移监测模块（21）和OIS驱动模块（22）电性连接；开启OIS驱动模块（22），使得摄像头驱动马达（10）与OIS驱动模块（22）形成OIS闭环控制系统；开启X/Y方向位移监测模块（21），以获取摄像头驱动马达（10）的X、Y方向初始位置数据；开启抖动振台（1）；通过X/Y方向位移监测模块（21）获取摄像头驱动马达（10）实时的X、Y方向位移数据；通过上位机（3）对X方向数据分析、Y方向数据分析，以判断OIS性能是否达标。该方法可靠性好，有效的提高了生产效率、降低了生产成本和不良率风险。
Patent WO-2021189922-A1 (WO)
Title: 用户画像生成方法、装置、设备及介质
Inventor: XIA JING
IPC: G06F16/9535
Filed: 2020-11-30
Abstract: 本申请涉及人工智能技术领域，揭示了一种用户画像生成方法、装置、设备及介质，其中方法包括：获取目标用户的状态特征时间序列及购买行为时间序列，购买行为时间序列携带有目标用户购买产品的产品标识；从预设的模型库中查找与产品标识对应的行为预测模型，其中，行为预测模型是基于马尔科夫决策过程及最大似然逆强化学习得到的模型；将状态特征时间序列及购买行为时间序列输入到与产品标识对应的行为预测模型进行概率预测得到目标用户的行为预测数据；根据行为预测数据，确定目标用户的画像。在人生阶段、人生状态、消费场景发生变化时充分挖掘用户行为，提高用户画像的准确性，提高用户画像颗粒度的精细度。
Patent WO-2022120706-A1 (WO)
Inventor: Nie Botao
IPC: G09F9/33
Filed: 2020-12-10
Abstract: 本申请公开了一种LED显示屏供电系统及LED显示屏，其中LED显示屏供电系统包括：呈M行N列相拼接的至少三个LED显示箱体；其中M和N均为正整数，且M≥2，N≥2。其中，至少三个LED显示箱体中，任意一个LED显示箱体分别与相邻的LED显示箱体电连接，至少两个LED显示箱体分别用于和电压源电连接。本申请实施例提供的LED显示屏供电系统，每个LED显示箱体均与相邻的所有LED显示箱体电连接，且至少有两个LED显示箱体和电压源连接，实现了对LED显示箱体的冗余供电，从而使得即使部分线路故障，该故障线路之后的LED显示箱体也可以继续正常供电，由此确保故障线路之后的LED显示箱体正常工作。
Patent WO-2021121147-A1 (WO)
Title: 一种定量采样滴管
Inventor: HAO SHUSHUN
IPC: B01L3/02
Filed: 2020-12-11
Abstract: 一种定量采样滴管，其包括吸管（1）以及设置在吸管（1）顶部的气囊（2），所述吸管（1）的上端伸入到气囊（2）的内部，气囊（2）位于吸管（1）顶部下方的空间形成储液槽（3）；所述的吸管（1）伸入到气囊（2）的内部，使气囊（2）的部分空间位于吸管（1）顶部的下方形成储液槽（3），在取液时，液体会首先充满吸管（1），然后再进入到储液槽（3）内，取液时使气囊（2）内的液位低于吸管（1）的顶端，这样再将滴管内的液体排出时，只会排出吸管（1）内的液体，而储液槽（3）内的液体不会流出，实现了定量加液。
Patent WO-2021139540-A1 (WO)
Title: Slot antenna and electronic device
Inventor: HONG GUOFENG
IPC: H01Q1/36
Filed: 2020-12-25
Abstract: Disclosed are a slot antenna and an electronic device. The slot antenna comprises a metal profile and a circuit board, wherein the circuit board is provided, at one side, with a short-circuit branch and a feed transmission line electrically connected to the circuit board; and the circuit board is connected to the metal profile, such that a transverse branch of the short-circuit branch is provided directly facing a slot, and the feed transmission line traverses the slot in the widthwise direction of the slot. In the slot antenna of the embodiments of the present application, a metal frame of an electronic device can be used as a metal profile, and by means of providing an antenna slot in the metal profile as a radiation source, a circuit board is provided with a short-circuit branch and a feed transmission line and can then be directly stacked on the frame of the electronic device, without the need to provide a clearance area for the antenna, thereby facilitating the design of the electronic device in terms of thickness and appearance.
Patent WO-2022134014-A1 (WO)
Title: 一种靶向AHRR基因的sgRNA组合及其应用
Inventor: ZHONG SHILONG
IPC: A01K67/027
Filed: 2020-12-25
Abstract: 提供了一种靶向AHRR基因的sgRNA组合及其应用，所述靶向AHRR基因的sgRNA组合包括sgRNA1和/或sgRNA2，所述sgRNA1包括SEQ ID No.1所示的核酸序列，所述sgRNA2包括SEQ ID No.2所示的核酸序列。还提供了一种AHRR基因编辑系统、一种重组细胞及其构建方法和一种肥胖动物模型的构建方法，通过基因编辑及筛选，得到的敲除了AHRR基因的纯合子小鼠具有典型的肥胖体征，体型更大、体重更重，体内脂肪含量也更高，可以用于降糖、降脂相关药物的筛选中，应用价值极其广泛。
Patent WO-2021139697-A1 (WO)
Title: Application of supernatant of tumor cells after action of chemotherapeutic drug
Inventor: QI JINSHENG
IPC: A61P35/00
Filed: 2021-01-06
Abstract: Provided is an application of a supernatant of tumor cells after the action of a chemotherapeutic drugs in the preparation of tumor-inhibiting drugs, the inhibition of tumor refers to inhibiting the proliferation of tumor cells and inducing the differentiation of tumor cells.
Patent WO-2022147729-A1 (WO)
Title: Procédé de commande de puissance, dispositif de terminal et dispositif de réseau
Inventor: LIN XUE
IPC: H04W52/06
Filed: 2021-01-07
Abstract: La présente invention concerne un procédé de commande de puissance, un dispositif de terminal et un dispositif de réseau, aptes à assurer la transmission fiable de données de liaison montante et à réduire les interférences d'une transmission de données inactive. Le procédé comprend : la réception, par le dispositif de terminal, d'un paramètre de commande de puissance envoyé par le dispositif de réseau et utilisé pour une transmission de données inactive ; et la détermination, par le dispositif de terminal, selon le paramètre de commande de puissance, d'une puissance d'émission cible pour une transmission de données inactive.
Patent WO-2021160066-A1 (WO)
Title: Antenna and electronic device
Inventor: WANG JUNYI
IPC: H01Q1/36
Filed: 2021-02-07
Abstract: The present invention provides an antenna and an electronic device. The antenna comprises: a first radiation structure, provided with a first feed end and a first grounding end, the first feed end being located between the first grounding end and an open-circuit end of the first radiation structure; a second radiation structure, provided with a second feed end and a second grounding end, the second feed end being located between the second grounding end and an open-circuit end of the second radiation structure, the open-circuit end of the first radiation structure and the open-circuit end of the second radiation structure being provided opposite to each other, and a gap being formed; and a first tuning circuit, the open-circuit end of the first radiation structure being electrically connected to the open-circuit end of the second radiation structure by means of the first tuning circuit.
Patent WO-2022170581-A1 (WO)
Title: 一种充电器及其充电方法
Inventor: YANG XINXIN
IPC: H02J7/00
Filed: 2021-02-10
Abstract: 本发明涉及一种充电器，包括控制器、充电电路，其特征在于，所述充电电路包括满充充电模式和非满充充电模式，所述控制器控制所述充电电路在所述满充充电模式和所述非满充充电模式之间进行切换。本发明还保护了一种充电方法。本发明的充电器和充电方法，能够保证电池的使用寿命。
Patent WO-2022021853-A1 (WO)
Inventor: LIN HAOTIAN
IPC: H04L45/24
Filed: 2021-02-19
Abstract: An ISCSI multi-path management system and method, an electronic device, and a computer-readable storage medium. The system comprises a connection module and a routing module that are disposed at a client. The routing module is used for updating and maintaining a routing table according to real-time updates, and the routing table records legitimate paths that conform to a black and white list rule. The connection module comprises a connector and a storage volume manager, the connector being used for searching for an ISCSI target that conforms to the black and white list rule on a storage end, establishing an ISCSI session by means of a legitimate path, and notifying the storage volume manager to execute a mounting volume operation; rechecking the established ISCSI session regularly according to an updated black and white list rule; and updating and acquiring the ISCSI target on the storage end regularly so as to establish an ISCSI session together with the newly acquired ISCSI target that conforms to the updated black and white list rule. The present application can improve the applicability of a multi-path management system, simplify the configuration workload, and improve efficiency.
Patent WO-2022178797-A1 (WO)
Inventor: LI QIAOYU
IPC: H04W74/08
Filed: 2021-02-26
Abstract: Un UE dans un mode de veille RRC ou un mode inactif RRC peut générer un message d'urgence comprenant une ou plusieurs de coordonnées GPS, un horodatage, un ID d'UE, un ID personnel d'un utilisateur de l'UE, un niveau d'urgence ou un type d'urgence, et transmettre le message d'urgence à un NR-NTN. Le message d'urgence peut être transmis dans une ressource temps ou fréquence dédiée. La station de base peut recevoir le message d'urgence en provenance de l'UE, et transmettre les informations d'UE à un réseau.
Patent WO-2021203884-A1 (WO)
Title: Relay communication method and related device
Inventor: LI XIANGYU
IPC: H04W36/30
Filed: 2021-03-05
Abstract: Provided in embodiments of the present application are a communication method and a related device. The method comprises: a user equipment (UE) obtains various conditions according to configuration information from a base station, and performs link switching according to the various conditions. For example, a network device first sends configuration information to the UE, and then the UE obtains a first condition according to the configuration information. Then, when the UE determines that the first condition is satisfied during measuring, the UE will send a measurement report to the network device. After obtaining the measurement report, the network device will indicate at least one candidate relay device to the UE by means of a link switching command, and the UE will determine one relay device from among the at least one candidate relay device and communicate with the network device or another network device by means of the determined relay device.
Patent WO-2022062330-A1 (WO)
Inventor: GUO YITONG
IPC: H01L27/12
Filed: 2021-03-15
Abstract: 一种背板和用于3D打印的阳极背板。所述背板包括衬底基板(20)、设置于所述衬底基板(20)上的行列交错的栅线(G0)、数据线(D0)和电源线(V1)，以及，设置于所述衬底基板(20)上的阵列分布的像素结构；所述像素结构包括驱动晶体管(T1)、与所述驱动晶体(T1)管连接的开关晶体管(T2)，以及，与所述驱动晶体管(T1)连接的像素电极(10)，所述栅线(G0)和所述数据线(D0)分别与所述开关晶体管(T2)连接，所述电源线(V1)与所述驱动晶体管(T1)连接；在同一行像素结构或同一列像素结构中，在第2n-1个像素结构和第2n个像素结构之间设置有电源线(V1)，所述电源线(V1)与所述第2n-1个像素结构中的驱动晶体管(T1)的源极(S1)和所述第2n个像素结构中的驱动晶体管(T1)的源极(S1)连接；n为大于或等于1的正整数。
Patent WO-2022126889-A1 (WO)
Inventor: CUI NAIDI
IPC: G02B6/35
Filed: 2021-03-22
Abstract: L'invention concerne un commutateur optique (200), un réseau optique (620) et une puce optique (600). Le commutateur optique (200) comprend un premier commutateur optique de base (220), un second commutateur optique de base (230) et quatre ports. Le premier commutateur optique de base (220) et le second commutateur optique de base (230) comprennent chacun deux premiers ports (222, 224, 232, 234) et deux seconds ports (226, 228, 236, 238). Les quatre ports comprennent l'un des deux premiers ports (222, 224) du premier commutateur optique de base (220), l'un des deux seconds ports (226, 228) du premier commutateur optique de base (220), et deux ports sélectionnés parmi les deux premiers ports (232, 234) et les deux seconds ports (236, 238) du second commutateur optique de base (230). Les deux ports sélectionnés sont les deux premiers ports (232, 234) du second commutateur optique de base (230) ou les deux seconds ports (236, 238) du second commutateur optique de base (230). Le premier commutateur optique de base (220) et le second commutateur optique de base (230) sont configurés pour délivrer un signal optique (210) entré à l'un quelconque des quatre ports à un ou plusieurs des ports restants parmi les quatre ports.
Patent WO-2021208683-A1 (WO)
Inventor: HUANG TAO
IPC: G10L19/16
Filed: 2021-03-24
Abstract: 一种控制信号的发送方法、接收方法及设备，涉及智能终端领域，通过将发送端的控制信号承载在声音信号上，并将该声音信号调制后发送至接收端，在接收端对该声音进行解调，以获得对应的控制信号，由此提供了一种控制信号的发送和接收方式，可以实现在射频测试环境下通过声音对被测试设备进行信号控制，从而可以避免控制信号对测试信号造成的干扰，由此提升射频测试的效率。
Patent WO-2022041731-A1 (WO)
Title: Message pushing method and apparatus, and electronic device
Inventor: YANG ZIGUO
IPC: H04N21/2187
Filed: 2021-04-01
Abstract: A message pushing method and apparatus, an electronic device and a storage medium. Said method comprises: acquiring, by means of a first service server, a live streaming start notification message of a live streamer of a live streaming room, acquiring a target notification receiving interface, and sending the live streaming start notification message to the target notification receiving interface, so that the target notification receiving interface pushes the live streaming start notification message to target users in a target pushing mode. In the present application, in the case where a live streaming start notification message of a live streamer of a live streaming room is acquired, a first service server can send the live streaming start notification message to a target notification receiving interface, so that the live streaming start notification message can be pushed to target users by means of the target notification receiving interface in a target pushing mode, without the need for the first service server to directly push the live streaming start notification message to the target users, thereby reducing the amount of calculation in a message pushing process; and the live streaming start notification message being pushed to the target users by means of the target notification receiving interface in the target pushing mode can enrich message pushing methods, thereby improving the pushing efficiency.
Patent WO-2022205331-A1 (WO)
Inventor: ZHANG CONGCHI
IPC: H04L29/06
Filed: 2021-04-01
Abstract: Embodiments of the present application relate to methods and apparatuses for multicast and broadcast services (MBS). According to an embodiment of the present application, a method may include: receiving a radio resource control (RRC) message or a medium access control (MAC) control element (CE) indicating activation or deactivation of at least one MBS session configured to a user equipment (UE) in an RRC_CONNECTED state; and starting or stopping receiving MBS data associated with the at least one MBS session based on the RRC message or the MAC CE. Embodiments of the present application design an RRC message or a MAC CE to inform the activation and/or deactivation of at least one MBS session and propose the operations performed by the UE when at least one MBS session is activated or activated.
Patent WO-2022205486-A1 (WO)
Inventor: SUN HAITONG
IPC: H04L5/00
Filed: 2021-04-03
Abstract: Provided is a method by a user equipment (UE), comprising: receiving one or more messages comprising sounding reference signal (SRS) configuration information from a based station (BS), the SRS configuration information comprises a partial frequency sounding indicator and additional information associated with the partial frequency sounding indicator, and determines SRS resource allocation; and sending a SRS to the BS in accordance with the SRS configuration information.
Patent WO-2022062368-A1 (WO)
Inventor: DONG YING
IPC: G06F16/22
Filed: 2021-04-13
Abstract: 一种数据的查询方法、装置、电子装置和存储介质，该数据的查询方法包括：获取用户输入的数据查询消息；确定备份数据库中数据的第一预设存储结构信息；根据第一预设存储结构信息和数据查询消息，生成与备份数据库对应的第一索引语句；根据第一索引语句，从备份数据库中查询目标数据；在从备份数据库中查询到目标数据的情况下，显示目标数据。
Patent WO-2021213336-A1 (WO)
Title: 一种画质增强装置及相关方法
Inventor: XIE JIANGRONG
IPC: G06T3/00
Filed: 2021-04-19
Abstract: 本申请公开了一种画质增强装置及方法，具体可以应用于终端人工智能(Artificial Intelligence，AI)领域以及对应的子领域，该画质增强装置包括通用处理单元CPU和图像处理单元GPU；CPU用于对目标视频内的目标帧图像进行下采样，获得低分辨率图像；对低分辨率图像进行特征提取，获取低分辨率图像对应的目标双边网格；GPU用于根据目标双边网格和目标双边网格包括的仿射变换信息，通过双边引导上采样BGU插值方法获取低分辨率图像上采样后的仿射变换矩阵；根据仿射变换矩阵，对目标帧图像内每个像素点的画质进行增强，获得增强后的目标帧图像。实施本申请实施例，可以增强大屏上的视频画质。
Patent WO-2022241838-A1 (WO)
Inventor: ZHOU JING
IPC: G06F3/041
Filed: 2021-05-31
Abstract: The present application provides a display device. The distance between a protective layer and a cover plate is greater than or equal to a preset value in a region where the protective layer overlaps with the cover plate, such that the cover plate does not extrude the protective layer, thereby eliminating the cracking risk of the display device.
Patent WO-2022233078-A1 (WO)
Title: Meridian physiotherapy instrument
Inventor: DOU WENAN
IPC: A61H7/00
Filed: 2021-06-05
Abstract: A meridian physiotherapy instrument, comprising a rotating table (1), a protective sleeve (2) provided with a channel (21), a motor (3) provided with a rotating member (31), and a housing (5) provided with an accommodating cavity (51). A relief structure is provided on the rotating table (1); the rotating member (31) is transmittingly connected to the rotating table (1) by means of the protective sleeve (2); the housing (5) covers the outside of the motor (3); and the motor (3) is fixed on the inner wall of the accommodating cavity (51) of the housing (5). The housing (5) covers the outside of the motor (3), such that a user can operate by holding the housing (5); the motor (3) is fixed on the inner wall of the accommodating cavity (51) of the housing (5), such that an external device is prevented from colliding with the motor (3); when the rotating member (31) of the motor (3) rotates, the rotating member (31) is transmittingly connected to the rotating table (1) by means of the protective sleeve (2), such that the rotating member (31) drives the protective sleeve (2) to rotate, the rotation of the protective sleeve (2) drives the rotating table (1) to rotate, and thus usage is very convenient; and the relief structure on the rotating table (1) is in contact with the user to massage the user, which is very convenient.
Patent WO-2022261851-A1 (WO)
Inventor: LI FUGUANG
IPC: C12N15/82
Filed: 2021-06-16
Abstract: Provided is an application of plant JAZ proteins and derived polypeptides in the prevention and treatment of human and animal tumors. Provided is an application of plant JAZ proteins or derived polypeptides thereof or modified products thereof or related biomaterials thereof in the preparation of products used for treating and/or preventing human or animal tumors, inhibiting the occurrence and development of human or animal tumors, inhibiting the proliferation of human or animal tumor cells, and promoting the apoptosis of human or animal tumor cells. Cotton JAZ protein has a significant inhibitory effect on various human tumor cell lines, and has a significant inhibitory effect on the occurrence and development of living tumors in mice. There is a strong interaction between JAZ proteins and human proto-oncogene MYCs. JAZ proteins may target various types of human and animal tumors, and are able to be developed into human and animal tumor-targeting drugs. Novel drugs or adjuvant drugs are provided in order to treat various human and animal tumors.
Patent WO-2022261863-A1 (WO)
Inventor: YANG XIAOHU
IPC: G08G5/00
Filed: 2021-06-16
Abstract: A method for determining a flight control area for an unmanned aerial vehicle, a flight control method for an unmanned aerial vehicle, a device for determining a flight control area for an unmanned aerial vehicle, and a monitoring device, an unmanned aerial vehicle and a storage medium. The method for determining a flight control area for an unmanned aerial vehicle comprises: acquiring location information of a monitoring device for an unmanned aerial vehicle, wherein the monitoring device is used for receiving monitoring information, which is sent by the unmanned aerial vehicle during a flight process, and for determining, according to the monitoring information, flight motion state information of the unmanned aerial vehicle and/or identity information, which is associated with the unmanned aerial vehicle, and the location information of the monitoring device is collected and acquired by a positioning sensor, which is configured by the monitoring device (S101); and according to the location information, determining location information of a flight control area for the unmanned aerial vehicle (S102).
Patent WO-2022252300-A1 (WO)
Inventor: YANG SHUMING
IPC: B23K26/064
Filed: 2021-06-18
Abstract: 基于飞秒激光结合超分辨透镜的光纤探针制备装置及方法，准直器（2）设置于飞秒激光光源（1）的出射光路上，半透半反镜（6）设置于准直器（2）的出射光路上，超分辨透镜（7）设置于半透半反镜（6）的透射光路上，透镜（4）设置于半透半反镜（6）的反射光路上，成像装置（5）设置于透镜（4）焦点处；三维位移平台（10）设置于超分辨透镜（7）的下方，三维位移平台（10）上设有光纤夹持装置（9）；超分辨透镜（7）上具有若干同心的透光带（7-3）以及设置于透光带（7-3）之间的遮光带（7-2），透光带（7-3）的形状为圆环形，所有透光带（7-3）的衍射光之间满足相位干涉条件。超分辨透镜（7）能够形成细长的光针，既能够保证成像分辨率、提高加工精度，同时结合三维位移平台（10）还能够满足在结构突变的平面结构或复杂三维结构表面的微纳加工。
Patent WO-2022001736-A1 (WO)
Title: Mail processing method and apparatus, and device and medium
Inventor: ZHENG WENTAO
IPC: G06Q10/10
Filed: 2021-06-21
Abstract: A mail processing method and apparatus, and a device, a medium, a computer program product and a computer program. The method comprises: receiving a piece of mail to be sent; if it is identified that the piece of mail to be sent comprises an instant messenger group identifier, acquiring a group mail address corresponding to the instant messenger group identifier; and taking the group mail address as an addressee address, and executing a sending operation on the piece of mail to be sent. According to the solution, when a piece of mail sent by a mail client is received by means of a mail server, if it is identified that addressees comprise an instant messenger group name, a piece of mail is sent to a group address corresponding to the group name, thereby improving the degree of combination of the functions of e-mails and IM software, and providing relatively rich collaborative office functions.