baber/WOPTO huggingface dataset:
Patent WO-2019062640-A1 (WO)
Title: Wireless communication method and edevice
Inventor: LUO CHAO
IPC: H04W72/12
Filed: 2018-09-20
Abstract: The present disclosure provides a method executed by user equipment, comprising: receiving downlink control information DCI, the DCI comprising the number of repetitions; determining the number N of sub-frames required for sending a physical uplink shared channel (PUSCH) according to the number of repetitions, the number of allocated resource units, and time occupied by each resource unit; and sending, in the determined N sub-frames, the PUSCH. The time occupied by each resource unit is represented by: the number of uplink time slots occupied by each resource unit, or the number of uplink sub-frames occupied by each resource unit. In addition, the present disclosure also provides corresponding user equipment and a base station.
Patent WO-2019062780-A1 (WO)
Title: Residence time measurement for traffic engineered network
Inventor: MIRSKY GREGORY
IPC: H04L12/26
Filed: 2018-09-26
Abstract: Residence time is a variable part of the propagation delay of the packet. Information about the propagation delay for each transient node can be used as performance metric to calculate the Traffic Engineered route that can conform to delay and delay variation requirements. In an exemplary embodiment, a computing device uses special test packets to measure residence time. The computing device calculates routes to direct special test packets to one or more nodes. A node may calculate the residence time metric, such as a residence time variation (RTV), or residence time (RT) per ordered set of ingress and egress interfaces of the node. The computing device may also collect the residence time metric per test set from each node and may use this information to calculate the Test Engineered route.
Patent WO-2019157837-A1 (WO)
Title: Automatic polishing machine
Inventor: ZHANG HONG
IPC: B24B47/06
Filed: 2018-10-25
Abstract: An automatic polishing machine for a valve core head of an air release valve comprises a machine base (1), a material taking device disposed on the machine base (1), a clamping device, and a polishing device. The material taking device comprises a robot arm (4) and a first driving mechanism for driving the robot arm (4) to move transversely and vertically. The polishing device comprises a grinding wheel (10), a second driving mechanism for driving the grinding wheel (10) to rotate, and a third driving mechanism for driving the grinding wheel (10) to move longitudinally and vertically. The present invention enables automatic polishing of a valve core head of an air release valve and increases the working efficiency, and polished products have consistent quality.
Patent WO-2020087454-A1 (WO)
Title: Power regulation method and terminal device
Inventor: ZHAO ZHENSHAN
IPC: H04W72/10
Filed: 2018-11-01
Abstract: Provided are a power regulation method and a terminal device. The method comprises: when uplink data, data on a first type of side link and data on a second type of side link overlap in time, and when the required total power exceeds a maximum transmission power of the terminal device, the terminal regulates at least one of the transmission power of the uplink data, the transmission power of the data on the first type of side link and the transmission power of the data on the second type of side link. The terminal device can reasonably allocate the transmit power of the terminal device by regulating at least one of the transmission power of the uplink data, the transmission power of the data on the first type of side link and the transmission power of the data on the second type of side link.
Patent WO-2020093303-A1 (WO)
Title: Processing method and apparatus based on facial recognition, and device and readable storage medium
Inventor: WU XIAOMIN
IPC: G06K9/00
Filed: 2018-11-08
Abstract: A processing method and apparatus based on facial recognition, and a device and a readable storage medium. The method comprises: first using a facial data set and a Softmax-based first loss function to train a facial feature extraction model (S101), and then using a person identity data set and a Triplet-based second loss function to carry out model re-training on the facial feature extraction model to obtain a final facial feature extraction model (S102). The convergence speed when a model is trained using a person identity data set and a Triplet-based second loss function can be increased, and model training efficiency can be improved; and even if there are fewer person identity data sets, a facial feature model can also be better trained using these person identity data sets by means of the Triplet-based second loss function, and data characteristics of a facial data set and the person identity data sets can be fully used, thereby improving the precision of extracting facial features by means of the facial feature model when being applied to a "person identity scenario" and being able to improve the accuracy of facial recognition.
Patent WO-2019120082-A1 (WO)
Inventor: SHAO MING
IPC: H04N5/232
Filed: 2018-12-05
Abstract: 一种控制装置(300)，具备确定部(312)，其基于在由摄像装置(100)拍摄的图像(500)中指定的指定轨迹(600)，来确定摄像装置(100)在真实空间中的移动轨迹(610)。该控制装置(300)还可以具备控制部(314)，其控制摄像装置(100)在维持摄像装置(100)的摄像条件的状态下沿着移动轨迹(610)移动的同时，拍摄包括第一被摄体(510)的多个图像。该控制装置(300)用于使摄像装置(100)拍摄被摄体(510)周围的模糊度变化的多个图像。
Patent WO-2020024504-A1 (WO)
Inventor: YAN TIANTIAN
IPC: D06F37/40
Filed: 2018-12-10
Abstract: 一种洗衣机(100)驱动系统(10)及具有其的滚筒洗衣机(100)，驱动系统(10)包括：波轮轴(1)，波轮轴(1)的第一端适于与波轮(40)相连；滚筒轴套(2)，滚筒轴套(2)的第一端适于与滚筒(30)相连；支架组件(3)，滚筒轴套(2)设在支架组件(3)上；电机(4)；皮带传动机构(5)，皮带传动机构(5)包括皮带轮(51)和皮带(52)，皮带(52)的一端套设在电机(4)的输出轴(41)的外周侧，皮带(52)的另一端套设在皮带轮(51)的外周侧，皮带轮(51)与滚筒轴套(2)的第二端相连。
Patent WO-2019205664-A1 (WO)
Title: Active grill shutter with vane protection structure
Inventor: GUI XIAOGANG
IPC: B60R19/52
Filed: 2018-12-14
Abstract: An active grill shutter with a vane protection structure, comprising vanes (1) and a grill body (3), wherein the vanes (1) are provided with a positioning tab (11), the grill body (3) is provided with a set of limiting ribs (32) that limit the rotation angle of the positioning tab (11), the set of limiting ribs (32) comprises an abutment edge (3211), at least one of the abutment edge (3211) and the positioning tab (11) is provided with the vane protection structure which is capable of deforming so as to absorb the energy produced by a collision between the vanes (1) and the grill body (3), buffer, and prevent the vanes (1) from over-rotating.
Patent WO-2020124544-A1 (WO)
Inventor: LIU PENG
IPC: B22F3/00
Filed: 2018-12-21
Abstract: La présente invention concerne un four de dégraissage et de frittage sous vide et un procédé d'utilisation associé qui se rapportent au domaine technique de l'équipement de fabrication spécial pour la métallurgie des poudres, le frittage de céramique en poudre, etc. Une boîte de matériau de graphite (3) est dotée d'un orifice de chargement interne (4) et d'un orifice d'échappement interne (5), l'orifice de chargement interne (4) étant en communication avec un tuyau de chargement interne (6), et l'orifice d'échappement interne (5) étant en communication avec un tuyau d'échappement interne (7). Un corps de four (1) est doté d'un orifice de chargement externe (8) et d'un orifice d'échappement externe (9), l'orifice de chargement externe (8) étant en communication avec un tuyau de chargement externe (10), et l'orifice d'échappement externe (9) étant en communication avec un tuyau d'échappement externe (11). Le four de dégraissage et de frittage sous vide charge principalement un gaz de procédé dans la boîte de matériau de graphite (3), et, en tant que supplément, charge un gaz inerte vers l'extérieur de la boîte de matériau de graphite (3), de sorte que les atmosphères à l'intérieur et à l'extérieur de la boîte de matériau de graphite (3) sont isolées, ce qui permet de réduire l'entrée d'une atmosphère impure et de contaminants à partir de l'extérieur de la boîte de matériau de graphite (3) dans la boîte de matériau de graphite (3), qui risquent d'affecter le frittage de produits, de sorte que la qualité des produits et la vitesse de production sont améliorées, le degré de contamination dans le four est réduit, la durée de vie du four de dégraissage et de frittage sous vide est prolongée et l'utilisation d'hydrogène pendant un frittage à haute température et l'utilisation d'oxygène pendant un dégraissage à basse température sont rendues possibles.
Patent WO-2019149009-A1 (WO)
Title: Assembled-type reinforcing bar truss floor deck
Inventor: CHEN YONGDE
IPC: E04B5/38
Filed: 2018-12-28
Abstract: An assembled-type reinforcing bar truss (1) floor deck (2), which comprises the floor deck (2). One side of the floor deck (2) is removably connected to the reinforcing bar truss (1); the other side of the floor deck (2) is provided with a supporting element (3). The supporting element (3) extends beyond the floor deck (2). The supporting element (3) is provided below the floor deck (2). The supporting element (3) protrudes the left side or the right side of the floor deck (2). When the floor deck (2) is being tiled, the protruding part of the supporting element (3) supports the adjacent floor deck (2), thus allowing the floor decks (2) on either side of a grout line to be supported by the supporting element (3) and the phenomenon of grout line dislocation to be reduced or eliminated; moreover, when the floor deck (2) is removed, the supporting element (3) is also removed, no additional workload for installing or removing the supporting element (3) is brought forth; this allows the reusable floor deck (2) and the supporting elements (3) to be utilized with increased stability and efficiency.
Patent WO-2019141077-A1 (WO)
Inventor: CHEN ZHE
IPC: H04W28/02
Filed: 2018-12-29
Abstract: 本公开实施例提供了一种业务流的映射方法及设备。本公开实施例所述方法在应用于终端侧时，包括：接收网络发送的携带有第一业务流标识QoS flow ID的下行数据包，所述第一业务流标识为第一比特长度的第一类业务流标识；根据本地维护的业务流的第一类业务流标识与第二类业务流标识之间的映射关系，将所述第一业务流标识转换成第二业务流标识，所述第二业务流标识为第二比特长度的第二类业务流标识，所述第二比特长度大于第一比特长度。
Patent WO-2019134609-A1 (WO)
Inventor: CHAN KAMKWAN
IPC: A61M21/00
Filed: 2018-12-29
Abstract: A scene generation system, and a generation method for the same. The scene generation system comprises a scene generation unit (20). The scene generation unit (20) comprises a scene matching module (21), a scene generation module (22), and a scene execution module (23). The scene matching module (21) acquires prediction data related to an emotion of a user and generates matching data. The scene generation module (22) is communicatively connected to the scene matching module (21). The scene generation module (22) acquires the matching data and generates scene data accordingly. The scene execution module (23) is communicatively connected to the scene generation module (22), acquires the matching data, and executes an operation on the scene data to generate at least one scene.
Patent WO-2020118798-A1 (WO)
Inventor: CHEN FUSHENG
IPC: G01D5/26
Filed: 2018-12-29
Abstract: 一种冷原子团快速陷俘和高频相向抛射的控制方法，该控制方法包括：步骤01，在三维磁光阱中的三组分光器（33）上设置三组光阑（34），三组光阑（34）用于形成遮光区域（32）；步骤02，由第一三维磁光阱（5）沿运动轨迹向第二三维磁光阱（6）抛射冷原子团，其中，运动轨迹通过两侧三维磁光阱的遮光区域（32）；步骤03，当判定冷原子团进入第一三维磁光阱（5）的遮光区域（32）时，开启第一三维磁光阱（5）中的三维冷却光和三维回泵光以俘获下一冷原子团。
Patent WO-2020146986-A1 (WO)
Inventor: SUN XINRAN
IPC: H02K15/00
Filed: 2019-01-14
Abstract: 一种挤压整形组件、叠膜整形系统以及叠膜整形方法，其中挤压整形组件（500）包括：弹性连接的第一构件（510）和第二构件（520），第一构件（510）靠近第二构件（520）的面上设置有第一挤压结构（511），第二构件（520）靠近第一构件（510）的面上设置有第二挤压结构（521）；第一构件（510）和第二构件（520）相连接时，第一挤压结构（511）与第二挤压结构（521）形成与物料的外形轮廓相匹配的容置空间（540）以用于对物料进行挤压，进而使得物料的外形轮廓符合预设的要求。通过采用具有预设挤压结构的第一构件和第二构件相匹配形成容置空间对物料进行挤压，可以使得物料的外轮廓满足预设的要求。
Patent WO-2019154403-A1 (WO)
Inventor: FENG CHUNKUI
IPC: G05D1/02
Filed: 2019-02-09
Abstract: 一种可运动的机器，机器具有运动系统或可连接运动系统，运动系统用于使机器移动；且机器还具有下述特征：1A、机器具有设定的为出行服务和/或户外活动的功能；机器具有遮挡物体或可连接遮挡物体，遮挡物体为用于遮阳和/或挡雨的物体；机器可在控制系统的控制下伴随目标移动，以为目标遮阳和/或挡雨；目标在机器外或目标在地上或目标在水中，目标为人。解决户外雨淋日晒或撑伞之苦，大幅度降低制造成本。
Patent WO-2020042546-A1 (WO)
Title: 滑轮组件和淋浴房
Inventor: LIN XIAOFA
IPC: E05D13/00
Filed: 2019-02-18
Abstract: 一种滑轮组件（1），包括：滑轮（10）；外轴（14），外轴（14）上设有第一周向固定部；偏心轴（13），偏心轴（13）包括基部（131）、转轴部（132）和偏心部（133），转轴部（132）和偏心部（133）位于基部（131）的两侧，偏心部（133）的轴线与基部（131）的轴线是错开的，滑轮（10）能够转动地连接于偏心部（133），转轴部（132）插入外轴（14）中，使转轴部（132）能够在外轴（14）中转动；以及旋盖（19），旋盖（19）与转轴部（132）周向固定地连接，且旋盖（19）可相对转轴部（132）轴向移动，旋盖（19）上设有第二周向固定部。旋盖（19）轴向移动，能使第一周向固定部和第二周向固定部相配合，旋盖（19）周向固定、不能带动偏心轴（13）转动，此时滑轮组件（10）处于工作状态；还能使第一周向固定部和第二周向固定部相分离，旋盖（19）能带动偏心轴（13）转动，此时滑轮组件（10）处于调节状态。
Patent WO-2020164162-A1 (WO)
Inventor: ZHAO YUAN
IPC: G06N3/08
Filed: 2019-02-19
Abstract: La présente invention concerne des systèmes et des procédés pour convertir une valeur à virgule flottante en une valeur à virgule fixe. Le procédé peut comprendre l'obtention d'un ensemble d'échantillons d'apprentissage, l'ensemble d'échantillons d'apprentissage comportant une pluralité de valeurs d'échantillon ; la division de la pluralité de valeurs d'échantillon en une pluralité de groupes de référence sur la base des valeurs d'échantillon ; pour chaque groupe de référence de la pluralité des groupes de référence, la détermination d'un ou de plusieurs paramètres de conversion correspondant à un groupe de référence sur la base de la ou des valeurs d'échantillon dans le groupe de référence ; l'obtention d'une valeur cible dans un format à virgule flottante ; la détermination d'un groupe cible parmi la pluralité des groupes de référence sur la base de la valeur cible ; la conversion de la valeur cible au format à virgule flottante dans un format à virgule fixe sur la base du ou des paramètres de conversion correspondant au groupe cible.
Patent WO-2020133653-A1 (WO)
Title: 一种蛋白/多糖/精油纳米可食膜及其制备方法
Inventor: LI SONGLIN
IPC: C08L5/00
Filed: 2019-02-21
Abstract: 本发明公开了一种蛋白/多糖/精油纳米可食膜，其特征在于：所述精油纳米可食膜主要由以下重量份的原料组成：藜麦蛋白-栉江珧多糖纳米复合物1～8、栉江珧多糖-精油纳米复合物2～11、藜麦蛋白1～12、栉江珧多糖2～16和水5～53；本发明有效解决了传统蛋白质膜通过额外添加增塑剂、交联剂来提高机械强度，通过使用易于形成致密分子网状结构能力的脂类物质来提高阻水阻气性能，添加剂、增塑剂或者它们在反应中产生的聚合物降解副产物、聚合反应中残留的溶剂会由膜向食品中迁移,从而导致风味的散失,甚至带来毒副作用问题。
Patent WO-2019237767-A1 (WO)
Title: Projection device and color wheel protection method thereof
Inventor: PENG DONGQING
IPC: G03B21/20
Filed: 2019-03-01
Abstract: The present application relates to a projection device, comprising a processor, a driving element, a color wheel, a first sensing unit, and a second sensing unit. The driving element is used for driving the color wheel to rotate. A first region and a second region are provided around the color wheel, the first region is a region with the distance to the color wheel being less than a preset distance, and the second region is a region with the distance to the color wheel being greater than the preset distance. The first sensing unit is provided in the first region for sensing the first air pressure in the first region. The second sensing unit is provided in the second region for sensing the second air pressure in the second region. The processor determines the state of the color wheel according to at least the first air pressure and the second air pressure, and controls to turn off the laser when it is determined that the state of the color wheel is a non-working state. The present application also provides a color wheel protection method. The present application controls to turn off the laser when it is determined that the state of the color wheel is a non-working state, so as to avoid the laser burning the color wheel.
Patent WO-2019192283-A1 (WO)
Inventor: MIAO DESHAN
IPC: H04W72/04
Filed: 2019-03-07
Abstract: 公开了一种资源确定、资源指示方法及装置，用以解决在RRC重配置状态时，UE如何确定PUCCH资源的问题。所述资源确定方法，包括：检测物理下行控制信道PDCCH；通过检测PDCCH，确定用户设备UE在无线资源控制RRC重配置情况下需要使用的物理上行链路控制信道PUCCH资源。
Patent WO-2020181549-A1 (WO)
Inventor: WEY JUN SHAN
IPC: H04L12/12
Filed: 2019-03-14
Abstract: A method of communication includes notify, by an optical line terminal (OLT), an optical network unit (ONU) a first time period assigned to a first power saving operation and a second time period assigned to a second power saving operation, and perform, by the OLT, the second power saving operation for a receiver of the OLT during the second time period and the first power saving operation for a transmitter of the OLT during the first time period.
Patent WO-2020107749-A1 (WO)
Title: 一种柔性显示面板及柔性显示装置
Inventor: ZHANG XIAOXIA
IPC: H01L23/498
Filed: 2019-03-18
Abstract: 本发明揭露一种柔性显示面板及柔性显示装置，通过将第一金属层的相邻两信号线间的有机层边缘设计为凹槽或凸起形状，以此来增加相邻两信号线间有机层边缘的总长度，从而降低第二金属层连续残留的概率，实现改善第一金属层/有机层/第二金属层的叠层结构中第一金属层的信号线间短路问题；同时，相邻两信号线间的距离并未增加，因此并不影响第一金属层的信号线布线。因而，有效提高了柔性显示面板的稳定性和可靠性。
Patent WO-2019179431-A1 (WO)
Inventor: LUO HONGQIANG
IPC: H01L27/32
Filed: 2019-03-19
Abstract: L'invention concerne un substrat d'impression par transfert de chaleur, un dispositif tactile et des procédés de fabrication associés appartenant au domaine de la fabrication de panneaux d'affichage tactiles.
Le substrat d'impression par transfert de chaleur comprend un substrat de base (100) et un module tactile (110) sur le substrat de base (100), le côté du module tactile (110) en contact avec le substrat de base (100) étant adhésif, l'adhérence diminuant dans le cadre d'une première condition tout en augmentant dans le cadre d'une seconde condition.
La présente invention résout le problème selon lequel le taux de rendement de fabrication du panneau d'affichage tactile est faible, améliorant le taux de rendement du panneau d'affichage tactile.
Patent WO-2020191813-A1 (WO)
Title: Coding and decoding methods and devices based on free viewpoints
Inventor: WANG RONGGANG
IPC: H04N13/243
Filed: 2019-04-08
Abstract: The embodiments of the present description relate to the technical field of video coding, and provide coding and decoding methods and devices based on free viewpoints. The coding method comprises: generating, on a server, a planar stitched image and stitching information on the basis of a multi-channel single-viewpoint video; generating a planar stitched video on the basis of the planar stitched image; generating camera assistance information of the planar stitched video on the basis of camera assistance information existing in the multi-channel single-viewpoint video; and coding the planar stitched video, the stitching information, and the camera assistance information of the planar stitched video to generate a planar stitched video code stream. The decoding method comprises: decoding, on a client, a planar stitched video code stream; and obtaining virtual viewpoints according to viewpoint information of a viewer. By using the methods provided by the present description, the synthesis of free viewpoints on the client can be implemented, so that the viewing delay is reduced, the calculation pressure of the server is decreased, and the viewing experience is improved.
Patent WO-2019214406-A1 (WO)
Title: Measurement method, first device and second device
Inventor: LI CHAO
IPC: H04W48/16
Filed: 2019-04-16
Abstract: Provided are a measurement method, a first device and a second device. The method comprises: a first device sending a first message to a second device, wherein the first message indicates a CSI-RS measurement resource configured by the first device for the second device; and the second device performing measurement on at least one CSI-RS measurement resource, wherein each CSI-RS measurement resource comprises a symbol for transmitting a CSI-RS, X symbols before the symbol for transmitting a CSI-RS and Y symbols after the symbol for transmitting a CSI-RS. By means of the method, the number of symbols occupied by each CSI-RS measurement resource for measurement can be controlled within N, where N is equal to the sum of the number of symbols for transmitting a CSI-RS, X and Y, and a second device performs measurement on these symbols, so as to prevent a terminal device 102 from continuously occupying too many symbols during each measurement process, and thus preventing long-term interruption of service data transmission.
Patent WO-2020019769-A1 (WO)
Title: Integrated printing device
Inventor: LI KANGWEN
IPC: B41F23/04
Filed: 2019-04-18
Abstract: An integrated printing device, comprising a base (11), an unwinding roller (12) used for unwinding a web, a printing device (13) and a cut-off apparatus (14) which are sequentially arranged along the path of the web, and a central control device (15) which is connected to the unwinding roller, the printing device and the cut-off apparatus. Both the printing device and the cut-off apparatus are arranged on the base; the unwinding roller is arranged at one end of the base which faces the printing device; and the central control device is used for controlling the unwinding rate of the unwinding roller, the printing rate of the printing device and the cut-off rate of the cut-off apparatus. The central control device may regulate the unwinding rate, the rate of the printing device and the rate of the cut-off apparatus to be the same, or regulate the three rates in a specific ratio. Therefore, the integrated printing device may smoothly and harmoniously accomplish an unwinding process, a printing process and a cut-off process, thereby avoiding the problems in existing printing devices of harmonizing relatively low cut-off rates and relatively high printing speeds.
Patent WO-2020215379-A1 (WO)
Inventor: YAN XUDONG
IPC: H01H50/16
Filed: 2019-05-09
Abstract: The present invention provides an electromagnetic switch device, comprising a housing, a stator mounted within the housing, and a rotor capable of moving with respect to the stator. The stator comprises a stationary iron core fixed to the housing and a cylindrical coil fixed within the housing, the stationary iron core being mounted within the coil. The rotor comprises a moving iron core provided within the coil and located on one side of the stationary iron core, a reset elastic member being connected between the stationary iron core and the moving iron core. The end face of the moving iron core facing the stationary iron core is provided with a first accommodating groove for accommodating one end of the reset elastic member, and the end face of the stationary iron core facing the moving iron core is provided with a second accommodating groove for accommodating the other end of the reset elastic member. The electromagnetic switch device further comprises a connecting member connected to the moving iron core and having a tail end extending to the outer side of the housing to connect an external device, the connecting member generating a displacement under the drive of the moving iron core. The electromagnetic switch device provided by the present invention features a simple structure, simple part processing and assembling, and low costs.
Patent WO-2020227940-A1 (WO)
Inventor: XIAO YU
IPC: G06K9/00
Filed: 2019-05-14
Abstract: Disclosed are a fingerprint recognition device and an electronic apparatus capable of improving the fingerprint recognition performance. The fingerprint recognition device comprises: an optical fingerprint sensor comprising multiple pixel unit groups; multiple polarization unit groups provided above the multiple pixel unit groups, wherein each polarization unit group corresponds to one pixel unit group, and polarization units in each polarization unit group have different polarization directions; and a quarter-wave plate provided above the multiple polarization unit groups, wherein each pixel unit group of the multiple pixel unit groups is used to receive a group of polarized optical signals formed after optical signals have passed through the quarter-wave plate and the corresponding polarization unit group, so as to obtain a group of electric signals, the optical signals include a returned fingerprint polarization optical signal reflected by the finger, and the group of electric signals are processed to obtain fingerprint electric signals.
Patent WO-2020227947-A1 (WO)
Title: 一种抑制生物被膜形成的方法和组合物
Inventor: MA LUYAN
IPC: A61K31/12
Filed: 2019-05-14
Abstract: 本申请实施例公开了一种抑制细菌生物被膜形成的方法，具体为使用有效量的所述香豆素-查尔酮复合物处理细菌。在抑制细菌被膜形成的同时可以减少细菌的毒性，并且与抗生素联用可以增强细菌对于抗生素的敏感性。本申请实施例还公开了一种组合物，所述组合物包括有效量的所述香豆素-查尔酮复合物。所述组合物可以用于抑制细菌被膜的形成。所述组合物还可以包括抗生素，在使用时所述抗生素的最小抑菌浓度和最小生物被膜清除浓度被降低。