baber/WOPTO huggingface dataset:
Patent WO-2022000467-A1 (WO)
Inventor: TAN LI
IPC: H04W24/02
Filed: 2020-07-03
Abstract: Aspects of the present disclosure provide a technique for PCI collision detection and resolution by a first base station (e.g., of a small cell such as a pico cell or femto cell). The techniques generally include detecting at least a second cell that uses a same physical cell identifier (PCI) as the first cell and re-selecting a PCI for the first cell in response to on the detection.
Patent WO-2021008392-A1 (WO)
Inventor: LIU FENGWEI
IPC: H04L25/03
Filed: 2020-07-03
Abstract: 本申请提供了一种符号处理的方法与装置，该方法包括：将得到的多个复数符号分为多个集合，其中，每个集合对应一个发射符号，多个集合中包括对应于第一发射符号的第一集合；将第一序列和第二序列映射到第一集合，其中，第一序列的结束位置为第一发射符号的截取循环前缀CP的位置，第二序列的结束位置为第一发射符号的结束位置。通过将序列映射到集合，不仅可以实现利用灵活长度的序列，来扩展原有的循环前缀CP，而且可以通过调节序列的长度为每个用户配置不同长度的灵活保护间隔。
Patent WO-2021013142-A1 (WO)
Inventor: ZHANG WEI
IPC: A61P37/00
Filed: 2020-07-21
Abstract: 提供一种4-1BB抗体、其抗原结合片段、一种针对4-1BB和PD-L1的重组双特异性抗体、编码4-1BB抗体或其抗原结合片段或双特异性抗体的核酸分子、包含、核酸分子的载体和宿主细胞，以及制备4-1BB抗体或其抗原结合片段或双特异性抗体的方法。还提供了包含4-1BB抗体、其抗原结合片段或双特异性抗体的药物组合物及相关制药用途。
Patent WO-2022021427-A1 (WO)
Inventor: HE YUKUN
IPC: G03B17/56
Filed: 2020-07-31
Abstract: A control method for a gimbal camera, a gimbal camera, and a storage medium. The gimbal camera comprises a gimbal and a photographing device. The gimbal camera comprises a function interaction assembly. The function interaction assembly at least indicates a camera locking function and a photographing mode switching function. The method comprises: in response to a first specified operation of a user on the function interaction assembly, triggering the photographing mode switching function to perform switching between a plurality of photographing modes; and in response to a second specified operation of the user on the function interaction assembly, triggering the camera locking function, the camera locking function indicating that the photographing device always maintains a fixed photographing direction by controlling a gimbal shaft to switch to a free mode. According to the embodiments of the present application, in consideration of the problem that the camera body of a small gimbal camera is small in space, at least two functions are achieved by means of one interaction assembly, and thus, more functions can be used by the user while portability requirements are satisfied.
Patent WO-2021135230-A1 (WO)
Inventor: WANG GANG
IPC: H01L23/04
Filed: 2020-08-07
Abstract: 本发明涉及一种控制系统的控制芯片安装座，属于芯片安装领域，一种控制系统的控制芯片安装座，包括底座以及固定连接在底座上端的安装板，安装板内部开凿有安装槽，安装板四周均开凿有多个均匀分布的引脚槽，底座上方设有盖板，盖板下端的四个拐角处均固定连接有定位柱，安装板上端四角处均开凿有与定位柱相匹配的定位槽，定位柱包括两个与盖板固定连接的弹片，两个弹片的下侧外端均固定连接有凸起，两个弹片相互靠近的一端固定连接有压缩弹簧，底座左右两上端均固定连接有压杆，压杆位于安装板外侧，盖板上端转动连接有拉环，可以实现便于芯片的安装和拆卸，即便于芯片的更换，有效降低更换过程中对芯片的损坏。
Patent WO-2021128889-A1 (WO)
Title: 分布式块存储服务命令处理方法、装置、设备及介质
Inventor: LI HUI
IPC: G06F3/06
Filed: 2020-08-21
Abstract: 一种分布式块存储服务命令处理方法、装置、设备及介质，该方法包括：通过tgtadm获取块存储服务的rbd命令，并对rbd命令进行解析，以得到相应的任务参数，然后将任务参数传送至iscsi target（S11）；通过tgtd开启用于处理与任务参数对应的任务的专用线程，并监视当前任务的实时处理结果（S12）；通过iscsi target将实时处理结果返回给tgtadm，以便tgtadm将实时处理结果显示在人机交互界面（S13）。上述方法将rbd命令上移至了target层，这种情况下，如果需要进行对卷修改、快照回滚等操作，便可以直接在target层完成相关调度即可，无需做卸载再挂载的操作，这样可以节省大量的人力，简化了流程，同时大量的查询命令上移至target层之后，分布式集群减少了许多与业务无关的进程和io流，减轻了集群负载。
Patent WO-2021043030-A1 (WO)
Inventor: ZHOU BUCUN
IPC: C01B32/198
Filed: 2020-08-26
Abstract: 一种不同氧化程度的氧化石墨烯浆料、氧化石墨烯复合膜和石墨烯导热膜。所述氧化石墨烯浆料包括氧化石墨烯和溶剂，所述氧化石墨烯包括强氧化石墨烯和弱氧化石墨烯。其中浆料中包括两种不同氧化程度的氧化石墨烯，能够提升单位质量的氧化石墨烯中的碳含量，使最终得到的石墨烯导热膜的碳较多。
Patent WO-2021114751-A1 (WO)
Title: 一种有机电致发光器件、显示面板及显示装置
Inventor: LI GUOMENG
IPC: H01L51/50
Filed: 2020-09-03
Abstract: 本申请涉及一种有机电致发光器件、显示面板及显示装置，所述有机电致发光器件包括第一电极、第二电极以及位于所述第一电极和第二电极之间的有机层；所述有机层包括发光层，所述发光层中含有主体材料、热活化延迟荧光敏化剂和绿色荧光染料，所述绿色荧光染料具有式I所示的结构。本申请使用热活化敏化荧光技术，选用特定结构的绿色荧光染料与敏化剂、主体材料搭配使用，实现了窄化器件光谱、提高绿光色纯度的效果，且器件具有与磷光绿光器件相当的效率，使包含其的显示面板具有较高的显示色域面积。
Patent WO-2021043244-A1 (WO)
Title: Cross-device communication method and apparatus, device, and storage medium
Inventor: CAI SHUANGLIN
IPC: H04M3/42
Filed: 2020-09-04
Abstract: The present application provides a cross-device communication method and apparatus, a device, and a storage medium. The method comprises: a network device receiving a call request from a calling party, the call request comprising identification information of a first terminal device being called; on the basis of the identification information of the first terminal device, calling the first terminal device and at least one second terminal device, identification information of the second terminal device and the identification information of the first terminal device corresponding to a same user account; receiving an accept command of a user, the accept command being used to instruct a third terminal device among the first terminal device and at least one second terminal device to accept the call request; in response to the accept command, sending a call response to the calling party. The network device of the present application can simultaneously call a first terminal device and a second terminal device that are under the same user account. The user can choose whether the first terminal device or the second terminal device accepts the call, facilitating rapid transfer and acceptance by the user, and improving user experience.
Patent WO-2022052060-A1 (WO)
Inventor: LIU YI
IPC: G06K9/00
Filed: 2020-09-11
Abstract: A fingerprint recognition panel and a display device. The fingerprint recognition panel comprises a plurality of fingerprint recognition circuits (U(n, k)) arranged in a matrix, a plurality of reading signal lines (OUT(k)), a gate drive circuit (100) and a plurality of scanning lines (SM(n)) connected to the gate drive circuit (100); the gate drive circuit (100) is used for sequentially outputting scanning signals to the scanning lines (SM(n)); each of the fingerprint recognition circuits (U(n, k)) is respectively connected to two different scanning lines, the reading control end (SW(n)) of the fingerprint recognition circuit (U(n, k)) being connected to a first scanning line, and the reset control end (RST(n)) of the fingerprint recognition circuit (U(n, k)) being connected to a second scanning line; the first scanning line correspondingly connected to the the fingerprint recognition circuits (U(n, k)) on the nth row and the second scanning line correspondingly connected to the fingerprint recognition circuits (U(n-m, k)) on the (n-m)th row are the same scanning line; or the second scanning line correspondingly connected to the fingerprint recognition circuits (U(n, k)) on the nth row and the first scanning line correspondingly connected to the fingerprint recognition circuits (U(n-m, k)) on the (n-m)th row are the same scanning line, n and m being positive integers, N being the total number of the fingerprint recognition circuits (U(n, k)), 1＜n≤N, and m＜n.
Patent WO-2021258562-A1 (WO)
Title: Gil设备三支柱绝缘子表面电荷测量装置及其试验方法
Inventor: LI WEIGUO
IPC: G01R29/24
Filed: 2020-09-16
Abstract: 一种GIL设备三支柱绝缘子表面电荷测量装置，包括试验腔体（1）、固定支架（14）、移动小车（2）、表面电荷测量单元、电荷扫描控制机构和三支柱绝缘子组件（9）；试验腔体（1）通过固定支架（14）安装在移动小车（2）上，三支柱绝缘子组件（9）通过固定结构可拆卸地安装于试验腔体（1）内，试验腔体（1）两端分别用盖板（15）封合；试验腔体（1）的上侧和下侧分别开设有与试验腔体（1）连通且保持密闭的测量腔（11）；电荷扫描控制机构为自身具有升降功能的机构，测量探头安装于电荷扫描控制机构并随其控制远离或靠近三支柱绝缘子。本装置可在不同试验电压工况下，对三支柱绝缘子表面电荷开展三维移动扫描测量，研究三支柱绝缘子在不同条件下绝缘子表面电荷的分布规律。
Patent WO-2021073415-A1 (WO)
Inventor: CAO CHENGHAO
IPC: G06Q30/02
Filed: 2020-09-28
Abstract: Disclosed are a user management method and device for a server out-of-band management system, relating to the technical field of information security. The method comprises: obtaining an illegal user existing in a server out-of-band management system according to a user name list maintained by the server out-of-band management system and obtaining an abnormal user creating the illegal user, and storing a user name of the illegal user and a unique material identification code of the abnormal user into an abnormal user list; obtaining the number of times that the unique material identification code is stored into the abnormal user list, and when the number of times reaches a threshold value, pulling the abnormal user corresponding to the unique material identification code into a blacklist; and calling a user information management interface of a managed server in the server out-of-band management system by means of a secure shell protocol to delete the illegal user from the managed server. The present application can effectively manage illegal users in a server out-of-band management system and abnormal users creating the illegal users.
Patent WO-2021073422-A1 (WO)
Inventor: YING GANG
IPC: B62K15/00
Filed: 2020-09-29
Abstract: A scooter, comprising a front fork (11), a folding sleeve (1), a folding core (7), a folding seat (9), a folding lock (8), and a folding pin (3). The folding seat is fixed on the front fork, the lower portion of the folding core is rotatably connected into the folding seat by means of the folding pin in a folding manner, the folding sleeve is arranged outside the folding seat in a sheathed manner, a sliding rail (16) is arranged in the folding sleeve, a lock catch assembly is arranged in the middle of the folding core, a folding fastener (6) matching the lock catch assembly is arranged on the front portion of a footboard (18), the folding lock is arranged on the upper part of the folding core in a sheathed manner, and the folding lock is provided with a sliding shaft (17). During folding, the folding lock is rotated to enable the sliding shaft to be clamped into the sliding rail, the folding sleeve is pulled upwards to enable the sliding shaft to vertically slide along the sliding rail, and the folding sleeve drives the folding core to be folded and rotated to fix the lock catch assembly on the folding core to the folding fastener in a fastened manner. The scooter is rapid and easy to fold and unfold, most parts are of a dual-functional structure, the number of part structures is small, the structure is skillful, the locking firmness is high after the scooter is folded, and maintenance and assembly are convenient and fast.
Patent WO-2022067864-A1 (WO)
Inventor: GUO SHAOZHEN
IPC: H04W72/04
Filed: 2020-10-02
Abstract: Wireless communication systems and methods related to dynamic indications of uplink transmission parameters via configured grant-UCI (CG-UCI) are provided. A user equipment (UE) receives, from a base station (BS), a first configuration indicating a first configured grant (CG) resource and a first transmission parameter associated with the first CG resource. The UE determines a second transmission parameter for transmitting a data block in the first CG resource. The second transmission parameter is different from the first transmission parameter. The UE transmits, to the BS in the first CG resource, a transmission including the data block and configured grant-uplink control information (CG-UCI) indicating the second transmission parameter, where the data block is transmitted based on the second transmission parameter.
Patent WO-2021169405-A1 (WO)
Inventor: LUO MINGHUI
IPC: G02B27/01
Filed: 2020-11-11
Abstract: An optical waveguide lens capable of multi-directional diffraction expansion, and an augmented reality display device. The optical waveguide lens capable of multi-directional diffraction expansion comprises: a waveguide (1); and functional regions having an optical diffraction function and located on the upper surface or lower surface of the waveguide (1), the functional regions at least comprising: an incident functional region (2), the incident functional region (2) being provided with an in-coupling diffraction structure that couples external image light into the waveguide (1) and achieves multi-directional diffraction expansion of the image light, and the in-coupling diffraction structure being formed of multiple array structures; and an outgoing functional region (3), the outgoing functional region (3) being provided with an out-coupling diffraction structure that couples the image light transmitted from the waveguide (1) out of the waveguide (1) and achieves multi-directional expansion of the image light, the out-coupling diffraction structure being formed of multiple array structures. The invention can implement multi-directional diffraction expansion of image light, thereby increasing the imaging field of view.
Patent WO-2021115097-A1 (WO)
Inventor: WANG WENDONG
IPC: G06K9/00
Filed: 2020-11-20
Abstract: Selon ses‌ ‌modes‌ ‌de‌ réalisation,‌ ‌‌la‌ ‌présente‌ ‌invention‌ ‌concerne‌ un procédé de détection de pupille et un produit associé. Le procédé comprend les étapes suivantes : acquisition d'une première image d'œil ; si la première image d'œil comprend une zone occluse, détermination d'un modèle d'image d'œil cible qui est apparié avec succès à la première image d'œil dans une bibliothèque de modèles d'image d'œil prédéfinie ; peinture de la première image d'œil conformément au modèle d'image d'œil cible pour obtenir une seconde image d'œil ; et réalisation d'une détection de pupille sur la base de la seconde image d'œil pour obtenir une position de centre de pupille. De cette manière, dans les cas où une pupille est occluse dans une première image d'œil acquise, la première image d'œil occluse est peinte au moyen d'un modèle d'image d'œil, ce qui permet de résoudre le problème d'occlusion d'une pupille, et d'améliorer l'efficacité et la précision de détection de pupille.
Patent WO-2021169440-A1 (WO)
Inventor: XING DONG
IPC: B01D53/58
Filed: 2020-11-24
Abstract: Sont divulgués un système de purification d'air du type à aspiration d'air à pression négative et un procédé de purification d'air. Le système de purification d'air du type à aspiration d'air à pression négative comprend au moins deux purificateurs d'air (100) du type à aspiration d'air à pression négative qui sont reliés bout à bout. Chaque purificateur d'air (100) du type à aspiration d'air à pression négative comprend : un premier corps de véhicule (110) qui comprend une première plaque inférieure (111) ; un corps de boîte (120) qui est disposé sur le côté avant de la partie supérieure de la première plaque inférieure (111) ; une pompe à air (150) du type à aspiration d'air à pression négative qui est agencée de façon à être adjacente au corps de boîte (120) ; et une carte de câblage (180) qui est agencée de façon à être adjacente à la pompe à air (150) du type à aspiration d'air à pression négative et qui est électriquement reliée à la pompe à air du type à aspiration d'air à pression négative, l'autre extrémité d'un second tuyau de sortie d'air (170) du purificateur d'air (100) du type à aspiration d'air à pression négative sur le côté avant est reliée à une extrémité d'un premier tuyau d'entrée d'air (130) du purificateur d'air (100) du type à aspiration d'air à pression négative sur le côté arrière au moyen d'un tuyau souple (200). Selon le système de purification d'air du type à aspiration d'air à pression négative et le procédé de purification d'air, un assemblage flexible selon différentes conditions peut être obtenu, l'utilisation est pratique, un mouvement peut être obtenu, des substances nocives, telles que des bactéries et des virus, peuvent être efficacement éliminées de l'air, et en même temps, aucune poussière secondaire ou pollution chimique n'est générée.
Patent WO-2022036916-A1 (WO)
Inventor: CHEN CHONG
IPC: B23P23/06
Filed: 2020-11-26
Abstract: The present invention relates to a moving production line for carbon electrodes, the moving production line comprising a feeding frame, a conveying line, a centering station, a central-hole punching station, a cylindrical turning station, an internal thread milling station, an external thread milling station and a discharge frame; the feeding frame is connected to the discharge frame by means of the conveying line; and the centering station, central-hole punching station, cylindrical turning station, internal thread milling station and external thread milling station are arranged in succession on the conveying line. Feeding and conveying are simultaneously performed by means of five V-shaped block supports on the conveying line, and the corresponding integration of the centering, punching, cylindrical turning, and internal and external thread milling operations for carbon electrodes are respectively completed, which effectively controls the processing precision, improves the processing quality of carbon electrodes, reduces waste during carbon electrode smelting, and reduces production costs during smelting.
Patent WO-2022048051-A1 (WO)
Inventor: MA YING
IPC: G01S19/42
Filed: 2020-11-26
Abstract: A BeiDou-based engineering vehicle exhaust emission monitoring and tracking system, applied to the field of transportation. The system comprises a terminal device, an analysis server, and a database; the terminal device is provided with a positioning module; the BeiDou system sends a traveling video of an engineering vehicle to the analysis server according to positioning information; the analysis server parses the video to obtain license plate information and vehicle model data of a vehicle in the video and compares the license plate information and the vehicle model data with license plate information sent by the terminal device and vehicle model data in the database to lock a target vehicle; the analysis server analyzes the video, calculates to obtain the speed of the target vehicle, extracts an exhaust area image according to the speed of the vehicle, parses the image to obtain a Ringelmann blackness level of exhaust, and feeds back a corresponding early warning level to the terminal device; and a vehicle driver takes corresponding measures according to the early warning level.
Patent WO-2021135869-A1 (WO)
Inventor: HOU LIMING
IPC: H04W16/28
Filed: 2020-12-09
Abstract: 本申请公开了一种卫星波束偏置处理方法、设备及介质，包括：网络侧通过广播消息和/或专用信令指示终端卫星波束偏置参数。终端接收网络侧通过广播消息和/或专用信令指示的卫星波束偏置参数；终端根据卫星波束偏置参数调整终端的通信过程。
Patent WO-2021179706-A1 (WO)
Inventor: YANG ZHIBIN
IPC: G07C1/10
Filed: 2020-12-09
Abstract: A meeting check-in method and system, a computer device, and a computer readable storage medium. The meeting check-in method comprises the following steps: acquiring meeting information and registration information of an attendee (S10); capturing an onsite photo of the attendee (S20); extracting a facial recognition feature value in the onsite photo, and acquiring an onsite photo and facial recognition feature value of a matching attendee (S30); parsing and analyzing the facial recognition feature value of the matching attendee to obtain a gender attribute, mood attribute, age attribute, and skin color attribute of the attendee; extracting and analyzing a clothing feature from the onsite photo of the matching attendee so as to obtain a clothing attribute of the attendee (S40); and performing statistical analysis on dimensional information, and determining the degree of participation of the meeting according to the dimensional information and the number of attendees (S50). Attendees who have successfully checked in can be counted by means of photo attribute analysis, which facilitates obtaining real and readable data.
Patent WO-2021115409-A1 (WO)
Title: 药物组合物及其用途
Inventor: GE JUN
IPC: A61K39/00
Filed: 2020-12-11
Abstract: 一种药物组合物，其包含：i)疱疹gE蛋白、所述蛋白的活性片段、所述蛋白的变体，或者其中至少两种的混合物；ii)免疫刺激组合物，所述免疫刺激组合物包含皂苷和CpG寡聚脱氧核苷酸，或者所述免疫刺激组合物由包含皂苷的佐剂和CpG寡聚脱氧核苷酸组成。所述药物组合物在制备用于预防和/或治疗水痘-带状疱疹病毒感染和/或水痘-带状疱疹病毒介导的疾病的药物中的用途。药物组合物达到了出乎意料的技术效果，可介导更强的免疫应答。
Patent WO-2022126457-A1 (WO)
Inventor: LIU YANG
IPC: H04W68/02
Filed: 2020-12-16
Abstract: Provided are a paging method, and a user equipment and a network device, which are applied to the technical field of communications. The embodiments of the present invention comprise: a user equipment receiving, by using a first paging radio network temporary identifier (P-RNTI), downlink control information (DCI) sent by a network device, and acquiring paging information, wherein the first P-RNTI corresponds to at least one network slice.
Patent WO-2021258690-A1 (WO)
Inventor: ZHANG XUANYU
IPC: B82Y20/00
Filed: 2020-12-23
Abstract: L'invention concerne un matériau à points quantiques, comprenant des particules de points quantiques et des premiers ligands qui sont liés aux surfaces des particules de points quantiques, les premiers ligands étant des monomères MOF, et les monomères MOF contenant au moins trois premiers groupes actifs capables de se lier à des particules de points quantiques. Le matériau à points quantiques peut réduire l'accumulation de charge au niveau de l'interface entre une couche électroluminescente à points quantiques et une couche de transport d'électrons, ce qui permet de résoudre le problème du déséquilibre de charge dans un dispositif dû à la mobilité des trous qui est beaucoup plus faible que la mobilité des électrons, et enfin d'augmenter la durée de vie et l'efficacité d'émission de lumière d'un dispositif électroluminescent à points quantiques.
Patent WO-2022141342-A1 (WO)
Inventor: GAO KUANDONG
IPC: H04W72/04
Filed: 2020-12-31
Abstract: 本申请公开一种系统信息的传输方法和对应的装置，该方法包括基于第一周期向终端设备发送至少两个第一信号，一个所述第一信号对应所述网络设备的一个波束；其中，所述第一周期内包括第一时隙和第二时隙，所述第一时隙用于传输所述第一信号，所述第二时隙用于传输除所述第一信号以外的其它信号，至少一个所述第二时隙位于两个所述第一时隙之间。采用上述方法，既能使得网络设备的波束覆盖满足高频场景下性能要求，又能保证其他信号的传输，例如已经接入网络设备的其他终端设备的上行信号的传输，提高了通信性能。
Patent WO-2021136482-A1 (WO)
Inventor: CHEN LEI
IPC: A61K31/4375
Filed: 2020-12-31
Abstract: L'invention concerne un procédé de préparation de PF06651600 et un intermédiaire utilisé dans celui-ci. Le procédé de préparation de PF06651600 comprend les opérations suivantes : le composé 5 et le chlorure d'acryloyle subissent une réaction d'aminolyse pour obtenir le composé PF06651600; le composé 4 est soumis à une débenzylation par hydrogénation catalytique pour obtenir le composé 5 ; en outre, le composé 2 et le composé 3 subissent une réaction de substitution nucléophile pour obtenir le composé 4.
Patent WO-2022095266-A1 (WO)
Title: Steel disc counterweight-type dumbbell and production process and method therefor
Inventor: SUN BISHENG
IPC: A63B21/072
Filed: 2020-12-31
Abstract: The present invention relates to the technical field of fitness equipment devices. Disclosed are a steel disc counterweight-type dumbbell and a production process and method therefor. The dumbbell comprises a handle, a holding sleeve, dumbbell discs, a locking component and a dumbbell placement seat, wherein the holding sleeve is fixedly mounted in the middle of a side wall of the handle, two dumbbell discs are respectively mounted at two ends of the side wall of the handle, and the dumbbell discs are formed by combining a plurality of iron discs by means of screws. The steel disc counterweight-type dumbbell and production process and method therefor simplify the production process of the steel disc counterweight-type dumbbell, and have convenient operations. Not only are the production costs of the dumbbell reduced, but pollution to the environment during the dumbbell production process is also reduced.
Patent WO-2022001084-A1 (WO)
Inventor: WANG KENG MENG ALBERT
IPC: C12M1/00
Filed: 2021-01-12
Abstract: 一种三自由度文库制备卡盒及方法，通过结合混合试剂托盘的旋转以及移液器与混合试剂托盘之间的相对水平移动，在有限的小体积内为移液器与试剂孔之间相互定位提供了两自由度的移动能力，极大地扩展了能够提供的试剂孔数量，进而实现整个系统功能的增加和适用性的扩展；同时设备结构简单、成本低，适用于一次性使用。
Patent WO-2021179793-A1 (WO)
Title: 一种产生假光信号的装置以及级联系统
Inventor: ZHONG SHENGQIAN
IPC: H04B10/50
Filed: 2021-01-15
Abstract: 本申请实施例公开了产生假光信号的装置，用于降低产生假光信号的成本。该装置具体包括：多纵模激光器和梳状带通光滤波器；该多纵模激光器与该梳状带通光滤波器相连；该多纵模激光器用于提供光源信号；该多纵模激光器提供的光源通过该梳状带通光滤波器之后输出假光信号，该假光信号为不包含业务信息的光信号。该多纵模激光器与该梳状带通光滤波器成本较低，从而降低产生假光信号的成本。