baber/WOPTO huggingface dataset:
Patent WO-2019062869-A1 (WO)
Title: Data transmission method, network device and terminal device
Inventor: WANG JUNWEI
IPC: H04W52/02
Filed: 2018-09-28
Abstract: Disclosed in an embodiment of the present application are a data transmission method, a network device, and a terminal device, which are used to reduce power consumption of a terminal device in data transmission. The method comprises: the network device configures a first scheduling resource set of first service data, and a second scheduling resource set carrying a scheduling signaling of the first service data; the network device determines a transmission resource of the first service data; the network device sends the scheduling signaling to the terminal device over the second scheduling resource set, and sends the first service data to the terminal device over the transmission resource of the first service data; the terminal device receives data over the first scheduling resource set of the first service data, and receives the scheduling signaling over the second scheduling resource set carrying the scheduling signaling of the first service data; and the terminal device parses the scheduling signaling, and acquires the first service data from the data received over the first scheduling resource set.
Patent WO-2020056818-A1 (WO)
Inventor: GU HAIYANG
IPC: B24B37/27
Filed: 2018-10-12
Abstract: Disclosed is a polishing loading and unloading component module containing a movable loading and unloading module. The polishing loading and unloading component module comprises one loading and unloading module and two polishing modules, wherein the loading and unloading module is centered, the two polishing modules are located on either side of the loading and unloading module, the loading and unloading module is provided with two loading and unloading positions in the direction perpendicular to the arrangement direction of the loading and unloading module and the two polishing modules, the loading and unloading positions respectively correspond to the two polishing modules, and the loading and unloading module can move back and forth between the two loading and unloading positions. The loading and unloading module contains a linear motion module, a loading and unloading platform module, and a loading and unloading platform fixing block, wherein the linear motion module is fixed to a fixing frame, the loading and unloading platform fixing block is fixed to a sliding block of the linear motion module, and the linear motion module can enable the loading and unloading platform module to move back and forth between the two loading and unloading positions, i.e. a first loading and unloading position and a second loading and unloading position. According to the invention, by means of the movement of the loading and unloading platform module, the processes where a polishing head turns back to an upper portion of a corresponding polishing pad and then turns back to perform cleaning are dispensed with, so that the transmission time can be saved on, and the efficiency thereof is significantly improved.
Patent WO-2019085824-A1 (WO)
Title: 移动通信系统扩容方法、设备及存储介质、程序产品
Inventor: ZHANG FAN
IPC: H04W72/00
Filed: 2018-10-25
Abstract: 一种移动通信系统扩容方法、相关设备及存储介质、程序产品，用于较为准确的对目前以数据业务为主的通信网络进行扩容。本申请实施例中将采集到的数据特征信息的分布情况用幂律模型进行拟合，得到发射单元覆盖区域内的用户数据传输速率；根据用户数据传输速率以及获取的移动通信系统的参考系统传输速率，确定移动通信系统支持的理论用户数量；根据理论用户数量和预设时长内接入发射单元的实际用户数量，确定是否对发射单元进行扩容。由于数据业务到达的数据包的数量和数据包长度的分布服从幂律模型，因此通过将数据特征信息的分布情况用幂律模型进行拟合，可以更加准确的对目前以数据业务为主的通信网络是否需要扩容进行判断。
Patent WO-2020077689-A1 (WO)
Title: Bogie and rail vehicle
Inventor: XU HONGJIANG
IPC: B61F7/00
Filed: 2018-11-01
Abstract: A bogie, comprising a framework (1); an axle box (2); an axle (31); a wheel (32) provided on the axle (31) and movable in the axial direction, the wheel (32) being provided with at least two sets of locking slots (321) sequentially arranged in the axial direction; a positioning plate (41) provided on the axle (31) to rotate synchronously with the axle (31); a clamp comprising two symmetrically arranged jaws (43), wherein the jaws (43) are connected to the positioning plate (41) by means of pin shafts (44); a release plate (42) provided on the positioning plate (41) to rotate synchronously with the positioning plate (41), wherein the release plate (42) moves in a first direction to apply force to the jaws (43) so that the jaws (43) rotate to disengage from the locking slots (321), and the release plate (42) moves in a second direction to apply force to the jaws (43) so that the jaws (43) rotate to insert in the locking slots (321); and an unlocking device (5) provided on the axle box (2) or the framework (1) and used for applying axial thrust to the release plate (42) so as to enable the release plate (42) to move in the first direction. Also provided is a rail vehicle using the bogie. The bogie and the rail vehicle can reduce the requirements on ground gauge-changeable devices.
Patent WO-2020093205-A1 (WO)
Inventor: CHEN YAN
IPC: G06N3/08
Filed: 2018-11-05
Abstract: 本申请公开了一种深度学习计算方法及相关设备，应用于电子设备，方法包括：确定本次深度学习计算所需的目标模型，所述目标模型包括多层模型数据，所述多层模型数据在所述目标模型中依据设定顺序先后排列；在第一线程上依据所述设定顺序依次读入所述多层模型数据；在一层模型数据完成读入时，在第二线程上基于完成读入的一层模型数据进行计算，重复此步骤直至所有计算完成。采用本申请实施例解决卡顿现象。
Patent WO-2019086045-A1 (WO)
Inventor: LI YINGCUI
IPC: G06Q20/40
Filed: 2018-11-06
Abstract: 一种移动终端及其收/付款方法和具有储存功能的装置。该方法包括：在设定时间内采集用户至少两个手指的指纹（S101）；判断所述至少两个手指的指纹是否为预设的指纹（S102）；如果所述至少两个手指的指纹均为预设的指纹，则启动设定收/付款程序（S103）。通过上述方式，能够通过用户的指纹快速启动设定收/付款程序，有效节省了用户的时间，提升了用户的使用体验。
Patent WO-2020093473-A1 (WO)
Title: Top of sun umbrella
Inventor: LUO XIONG
IPC: A45B3/00
Filed: 2018-11-26
Abstract: A top of a sun umbrella, comprising a top body (A) and a power supply system provided on the top body (A). The top body (A) comprises a top cap (1), a top seat (2), and a top connector (3). The top cap (1) is provided at the top seat (2) and is capable of being opened or closed by rotation; the top connector (3) is fixed below the top seat (2); the lower end of the top connector (3) is connected to a top notch (4); the power supply system comprises a solar panel (6) and a battery (7); the battery (7) is mounted in the top seat (2); the solar panel (6) is provided at the upper end of the top cap (1) and is electrically connected to the battery (7); a DC socket (8) is provided in the top connector (3); a circuit board (5) is provided in the top notch (4); the circuit board (5) is provided with a DC plug (51) connected to the DC socket (8); the power supply system is connected to an illuminating system by means of combination of the DC socket (8) and the DC plug (51). The top is simple and reasonable in structure and easy to assemble; the power supply system can easily be connected to the illuminating system to supply electric energy needed by the illuminating system; the power supply system can charge the battery (7) by using the solar energy, recycling use is implemented, and replacement of the battery (7) is easy.
Patent WO-2019129023-A1 (WO)
Inventor: ZHANG SHENGGUANG
IPC: G06F3/06
Filed: 2018-12-26
Abstract: A NOF based reading control method, device and system, belonging to the field of networked storage. The method comprises: a NOF engine receiving, through a communication link, a reading request sent by a host (402), sending at least one reading command to an NVMe hard disk according to the reading request (403), generating a congestion label corresponding to the communication link when the communication link is congested (405), and sending the congestion label to the NVMe hard disk (406), wherein the congestion label is used for instructing the NVMe hard disk to suspend processing of the reading command corresponding to the communication link. In a scenario of network congestion, the NVMe hard disk can suspend the processing of reading commands which have been acquired but not processed yet, solving the problem that an entire reading process fails due to data of this portion of reading commands being directly discarded due to network congestion after being read; when the NVMe hard disk suspends the processing of this portion of reading commands, invalid occupation of a transmission bandwidth between a NOF engine and an NVMe hard disk can be avoided, achieving the effect of reducing waste.
Patent WO-2019149007-A1 (WO)
Inventor: NIE YONG
IPC: C11C3/06
Filed: 2018-12-28
Abstract: 一种低硫生物柴油的制备方法，包括如下步骤：原料油经换热、预热、甘油酯化反应、闪蒸、冷却、酯交换反应、脱醇、沉降、甲酯精馏得到达标的低硫生物柴油；其中换热工序中原料油与闪蒸后的油换热回收部分热量，闪蒸蒸出物中的甘油和脂肪酸回用于甘油酯化反应；脱醇工序中脱除酯交换反应后体系中的甲醇，经过甲醇精馏回收的精甲醇回用于酯交换反应；沉降工序中产生的粗甘油通过甘油精馏得到精甘油，精甘油回用于甘油酯化反应。
Patent WO-2020133233-A1 (WO)
Title: 一种成骨发育不全疾病的致病突变及其检测试剂
Inventor: HUANG HUAN
IPC: C12N15/12
Filed: 2018-12-28
Abstract: 提供了一种成骨发育不全的致病突变及其检测试剂。一种突变型COL1A1基因，突变的COL1A1基因为单点突变c.1822G>A(chr17:48270211)，杂合突变即致病，为显性遗传方式，氨基酸变化p.Gly608Ser，其位点突变导致结缔组织中I型胶原合成障碍，形成病变。提供了一种检测成骨发育不全的试剂盒，包括：检测COL1A1基因CDS第1822bp位点的试剂；或检测COL1A1蛋白第608位氨基酸位点的试剂。通过检测致病突变(COL1A1基因上c.1822G>A)可以进行成骨发育不全疾病的诊断。
Patent WO-2020133504-A1 (WO)
Inventor: ZHAO QUN
IPC: H04L1/18
Filed: 2018-12-29
Abstract: 本公开是关于一种直连通信的数据传输方法、装置、设备及系统，属于通信技术领域。所述方法包括：第一终端根据接入网设备发送的DCI通过直连链路向第二终端发送直连数据；接收第二终端反馈的直连混合自动重传请求HARQ反馈信息，直连HARQ反馈信息用于指示直连数据对应的接收状态；将直连HARQ反馈信息上报至接入网设备。本公开通过上述方式，使得基于接入网设备调度的直连通信场景中，直连HARQ反馈信息可以先从第二终端传给第一终端，再由第一终端上报给接入网设备，保证了在直连通信场景中信息收发的成功率，且有助于提高数据传输的效率。
Patent WO-2019149026-A1 (WO)
Title: Method and device for generating link for application page, storage medium, and electronic apparatus
Inventor: YAO WENDING
IPC: G06F16/957
Filed: 2019-01-03
Abstract: A method for generating a link for an application page comprises: acquiring text information in a page currently being viewed; performing matching on the basis of the text information and data stored in a database to obtain an associated application identifier; transmitting the application identifier to a configuration server so as to receive a returned configuration file; caching the configuration file, and converting target text information to a hyperlink; and upon detection of a trigger operation with respect to the hyperlink, generating and displaying a native page of the application. The method improves efficiency of opening an application page.
Patent WO-2020133563-A1 (WO)
Inventor: LONG TAO
IPC: G08C17/02
Filed: 2019-01-04
Abstract: 一种寻找遥控设备的方法、智能终端、服务器及遥控设备，所述寻找遥控设备的方法包括：接收用户指令，所述用户指令中包含遥控设备的名称信息；发送包含所述名称信息的查询指令至服务器，所述服务器存储有所述遥控设备的名称信息与身份标识的对应关系；确定待寻找的遥控设备；以及通过第二协议广播寻找指令，所述寻找指令中含有警示指令以及所述待寻找的遥控设备的身份标识，以驱动所述遥控设备发出警示信息。在本发明技术方案中，所述遥控设备可以分别通过第一协议与目标控制设备通信，以及通过第二协议与所述智能终端通信，从而可以提升系统的兼容性。
Patent WO-2019205741-A1 (WO)
Title: Organic light-emitting transistor and manufacturing method therefor, display panel, and electronic device
Inventor: CHEN LIANG
IPC: H01L27/32
Filed: 2019-01-07
Abstract: An organic light-emitting transistor and a manufacturing method therefor, a display panel, and an electronic device. The organic light-emitting transistor (100) comprises a gate electrode (101), a gate insulating layer (102), an active layer (103), a source electrode (105), and a drain electrode (106). The active layer (103) comprises a two-dimensional semiconductor material layer (1031) and an organic light-emitting layer (1032) which are stacked to form a heterojunction, the heterojunction being a heteromorphic heterojunction. The organic light-emitting transistor (100) forms the heterojunction by means of the two-dimensional semiconductor material layer (1031), such that the carrier mobility can be improved, thereby improving the performance of a device.
Patent WO-2020118824-A1 (WO)
Title: 一种带有锁定功能的固态硬盘
Inventor: ZHANG JUN
IPC: G11B33/12
Filed: 2019-01-09
Abstract: 一种带有锁定功能的固态硬盘，包括硬盘壳（1）以及安装在硬盘壳（1）内的存储元件（2），硬盘壳（1）的侧壁上开设有供插头（6）进入的接口槽（11），硬盘壳（1）的内部还分别安装有竖直的隔板（12）、底壳（13）以及竖杆（14），底壳（13）上贯穿有滑动的主杆（131），主杆（131）上固定有一端开口，一端密封的套筒（3），主杆（131）位于底壳（13）内部的底端内安装有伸缩的副杆（1311），使用时，将插头（6）的卡键（61）对准T型槽（51）插入至两者对齐，将插头（6）向硬盘壳（1）内部插入，球体（521）滑动到L型槽（121）的弯折处，这时由于弹簧A（4）处于一直处于压缩的状态，将主杆（131）向上推，从带动插头接口（5）上升移动，插头接口（5）和插头（6）交错开来，达到锁定的目的，需要解除锁定，将主杆（131）按下，球体（521）到了L型槽（121）的弯折处，弹簧B（7）回弹，将插头接口（5）和插头（6）送出，在将卡键（61）从T型槽（51）上滑出。
Patent WO-2020147062-A1 (WO)
Inventor: CHEN YUHAN
IPC: A21B3/13
Filed: 2019-01-17
Abstract: 一种可食用勺子烘焙模具，包括：上模（1）、下模（2）和上模压板（3），上模（1）位于下模（2）和上模压板（3）之间，上模（1）面向下模（2）的一侧形成有勺子形凸起，下模（2）设有容纳勺子形凸起的勺子形模腔，上模（1）和上模压板（3）之间通过弹性部件连接。可食用勺子烘焙模具中，上模（1）和上模压板（3）之间通过弹性部件连接，烘烤过程中，食品自由膨胀定型由上模（1）和上模压板（3）之间的弹性部件完成，能够保证食品上表面的完整性。
Patent WO-2020037961-A1 (WO)
Inventor: TANG FAN
IPC: H01L27/32
Filed: 2019-02-18
Abstract: L'invention concerne un dispositif d'affichage à diodes électroluminescentes organiques, comprenant : de multiples unités de définition de pixels, l'unité de définition de pixels comprenant une première partie positionnée au niveau d'une partie d'une couche de réseau de commutateurs non recouverte par une anode et une seconde partie positionnée au-dessus de l'anode, un renfoncement étant agencé au niveau de la première partie, et au moins une ouverture est disposée au niveau de la seconde partie ; et une couche électroluminescente organique comprenant de multiples unités électroluminescentes organiques, l'unité électroluminescente organique étant positionnée au niveau d'une partie de l'anode non recouverte par la seconde partie.
Patent WO-2019170053-A1 (WO)
Inventor: XIANG ZHENGZHENG
IPC: H04W72/04
Filed: 2019-03-04
Abstract: The present application relates to the field of mobile communications, and specifically refers to a resource allocation technique in a wireless communication system. The method comprises: determining a first BWP for each second communication device in a second communication device group by means of a first communication device, the second communication device group comprising two or more second communication devices, wherein the first BWPs for each second communication device in the second communication device group are the same; sending configuration information of the first BWPs to each second communication device in the second communication device group; and sending control signalling to all of the second communication devices in the second communication device group, said control signalling being used for indicating that all of the second communication devices in the second communication device group activate the first BWPs. By means of the technical solution provided in an embodiment of the present invention, communication resources of V2X are configured on the basis of a mechanism of a BWP, thereby implementing communication between V2X terminal devices.
Patent WO-2020168603-A1 (WO)
Title: 一种胶原纤维提取工具
Inventor: ZHENG YAN
IPC: C07K14/78
Filed: 2019-03-14
Abstract: 本申请涉及整形器材技术领域，公开了一种胶原纤维提取工具，其包括手柄、固定于所述手柄前端的连接杆和固定于所述连接杆前端的齿构件，所述齿构件包括本体和梳齿，所述梳齿呈条状，所述梳齿的一端固定于所述本体，在所述梳齿的另一端设有齿尖，在所述梳齿的前后侧设有呈锐角的齿刃；其中，所述梳齿设有多个，多个所述梳齿沿所述本体的前后方向成列设置，位于同列的相邻的所述梳齿之间设有间隙，且同列中的所述梳齿的高度从每列中间向前后两端递减；所述梳齿设有一列或多列，其中，多列所述梳齿在所述本体的周向均匀分布。本发明提供的胶原纤维提取工具，不需要抽吸脂肪，降低对人体的损坏，胶原纤维含量在90％以上，含量高、含量稳定。
Patent WO-2019233183-A1 (WO)
Title: Infrared reflective heater
Inventor: Ge Gaoli
IPC: H04N9/04
Filed: 2019-04-12
Abstract: Disclosed is an infrared reflective heater, comprising: a heater main body, comprising an infrared ray heating structure and an infrared ray reflection structure, wherein the infrared ray heating structure is used as a heating heat source, and the infrared ray reflection structure is disposed behind the infrared ray heating structure; a video capturing mechanism, comprising a video acquisition unit, a parameter extraction unit and a data estimation unit, wherein the video acquisition unit is used for acquiring video data around the heater main body to output a currently acquired image frame; and a type analysis device, connected to the video capturing mechanism and used for receiving the currently acquired image frame and analyzing amplitudes of various noises present in the currently acquired image frame so as to determine the type of a primary noise with the maximum amplitude and the type of a secondary noise with the second maximum amplitude. In the infrared reflective heater, an electronic assistance function of the heater is extended.
Patent WO-2020211015-A1 (WO)
Inventor: CHEN WENSHENG
IPC: G06K9/00
Filed: 2019-04-17
Abstract: Provided are a conjugate-gradient-based facial image non-negative feature representation and recognition method and system, and a storage medium. The facial image non-negative feature representation and recognition method comprises: a first step: converting a training sample image into a training sample matrix, setting an error threshold and the maximum number of iterations, and inputting the training sample matrix, the error threshold and the maximum number of iterations; a second step: initializing a base image matrix and a coefficient matrix; a third step: setting the number of iterations to be n = 0; a fourth step: updating the base image matrix and the coefficient matrix according to formula (7); a fifth step: making n = n + 1; and a sixth step: determining whether an objective function or the number n of iterations reaches the maximum number of iterations, and if so, outputting the base image matrix and the coefficient matrix, and if not, executing the fourth step. By means of an experimental comparison, in a disclosed face database, between the method and a related algorithm, a result shows that the method has a certain superiority.
Patent WO-2019214441-A1 (WO)
Title: Advertisement playing method and apparatus, and device and storage medium
Inventor: QIN LINCHAN
IPC: G06Q30/02
Filed: 2019-04-25
Abstract: Disclosed are an advertisement playing method and apparatus, and a device and a storage medium. The method comprises: acquiring an eye feature in an eye image of a user, wherein the eye feature comprises a pupil feature; if there is no line of sight corresponding to the eye feature at a pre-set region or the eye feature in the eye image of the user is not acquired, collecting feature information of a person within a pre-set range; determining, according to the feature information, corresponding identity information; and playing corresponding advertisement content according to the identity information and a pre-stored advertisement information database.
Patent WO-2020243857-A1 (WO)
Inventor: LI LINZHEN
IPC: G02B7/18
Filed: 2019-06-01
Abstract: An optical acquisition module, comprising a support frame (1), a rotation assembly (2) rotatably installed on the support frame (1), a drive assembly (3) for driving the rotation assembly (2) to rotate relative to the support frame (1), and a reset assembly (4) for resetting the rotation assembly (2). The rotation assembly (2) comprises a body (21) and a prism (22) mounted on the body (21). The drive assembly (3) comprises a magnetic steel (31) and several coils (32). The body (21) is rotatably mounted on the support frame (1). The magnetic steel (31) is installed on one of the support frame (1) and the body (21), and the coils (32) are installed on the other one of the support frame (1) and the body (21). The magnetic steel (31) includes two pole surfaces in the polarization direction, and the coils (32) face one of the pole surfaces of the magnetic steel (31). The cooperation between the magnetic steel (31) and the coils (32) enables the rotation assembly (2) to rotate in multiple directions relative to an installation plate (212), thereby increasing the moving range of the prism (22).
Patent WO-2020093693-A1 (WO)
Title: Camera and electronic device
Inventor: YANG KUN
IPC: H04M1/02
Filed: 2019-06-06
Abstract: Disclosed is a camera, comprising a lens, a wavelength cut-off apparatus, a sensor, and a processor, where a first side of the wavelength cut-off apparatus is provided opposite the lens, a second side of the wavelength cut-off apparatus is provided opposite the sensor, and the sensor is provided as connected to the processor, thus allowing a light to be transmitted sequentially via the lens and the wavelength cut-off apparatus and into the sensor, and the wavelength cut-off apparatus is used for filtering the light. Also provided in the embodiments of the present application is an electronic device comprising the camera. The technical solution of the present application is for use in filtering the light entering the sensor with the wavelength cut-off apparatus, thus solving the problem of chromatic aberration produced by different focuses of different wavelengths in the light, and then fusing with the processor according to an image fusion algorithm images produced under the wavelengths, thus producing a precisely focused and chromatic aberration-free image in low light conditions, and increasing the sharpness of a photograph shot in the low light conditions.
Patent WO-2020257968-A1 (WO)
Inventor: CAI HONGSHENG
IPC: G07C9/00
Filed: 2019-06-24
Abstract: An identity validity authentication device, an identity validity authentication method and an access control system. The identity validity authentication device comprises: a human body induction sensor, configured to detect a living human body outside a door body; a 2D face image acquisition module, configured to capture a 2D face image when the human body induction sensor detects a living human body; a 3D face image acquisition module, configured to capture a 3D face image on the basis of structured light; a processor, configured to match the 2D face image with a 2D face image template and match the 3D face image with a 3D face image template, and when the 2D face image successfully matches the 2D face image template and the 3D face image successfully matches the 3D face image template, control a door lock driver to drive a door lock to unlock; a video recording module, configured to record a video within a visual field range when the 3D face image fails to match the 3D face image template and/or the 2D face image fails to match the 2D face image template; and a wireless network module, configured to send the recorded video.
Patent WO-2020228115-A1 (WO)
Inventor: FAN YANCENG
IPC: C01B33/18
Filed: 2019-07-05
Abstract: 提供一种石英粉及其制备方法。制备方法包括：将预设体积比的SiCl 4 和水进行水解反应得到空间网状结构的硅酸凝胶，然后老化；将硅酸凝胶表面水分和结构空隙中的水分在第一温度区间下一次烘干，得到物料1；将物料1在第二温度区间下二次烘干以脱水，得到物料2；煅烧物料2得到石英粉。采用SiCl 4 和水作为主原料避免引入其他杂质，通过多次烘干技术防止粉料的团聚，从而能够充分消除水分，制备羟基含量减少的高纯度石英粉。
Patent WO-2020087974-A1 (WO)
Inventor: YUAN ZEHUAN
IPC: G06K9/00
Filed: 2019-07-08
Abstract: A model generation method and device. One embodiment of the present method comprises: acquiring a sample set (201); extracting samples from the sample set (202), and performing the following training process: inputting frames in sample videos in the extracted samples into an initial model to obtain the probability of the sample videos being low-quality videos and the probability of the sample videos belonging to each low-quality class respectively (203); determining a loss value of the sample on the basis of tagging information in the extracted sample, the obtained probability and a loss function established in advance (204); comparing the loss value and a target value, and determining whether the initial model has completed training or not (205); and in response to determining that the initial model training is complete, determining the trained initial model to be a low-quality video detection model (206).
Patent WO-2020052339-A1 (WO)
Title: Wireless internal call method and system
Inventor: FANG GUICHENG
IPC: H04W12/02
Filed: 2019-07-10
Abstract: A wireless internal call method, comprising: first detecting whether a call request of a target mobile terminal among mobile terminals is received, after receiving the call request of the target mobile terminal, allowing the target mobile terminal to send a first speech, and allocating call timeslots to the mobile terminals other than the target mobile terminal, so that the other mobile terminals receive the speech sent by the target mobile terminal and send a second speech. By using the present solution, the other mobile terminals that receive the speech sent by the target mobile terminal can send the second speech to the target mobile terminal when the target mobile terminal sends the first speech, without waiting for the target mobile terminal to completely send the speech. Therefore, instant information transfer among internal staff is ensured, and the work efficiency of internal staff is also improved. In addition, embodiments of the present invention also disclose a wireless internal call system, which has the same effect.