baber/WOPTO huggingface dataset:
Patent WO-2020228051-A1 (WO)
Title: Loudspeaker
Inventor: SONG WEI
IPC: H04R9/06
Filed: 2019-05-20
Abstract: The present invention belongs to the technical field of electroacoustic conversion, and provided is a loudspeaker. The loudspeaker comprises a base, a vibration system and a magnetic circuit system that drives the vibration system to generate sound; the vibration system comprises a vibrating diaphragm assembly and a voice coil; the magnetic circuit system comprises a first magnetic guide block disposed inside of the base, a main magnetic assembly fixed on the first magnetic guide block, a sub-magnetic assembly fixed on the first magnetic guide block and arranged encircling the periphery of the main magnetic assembly, and a second magnetic guide block that covers the main magnetic assembly and the sub-magnetic assembly, a magnetic gap being formed between the main magnetic assembly and the sub-magnetic assembly, and the voice coil being placed in the magnetic gap. The main magnetic assembly, the sub-magnetic assembly and the first magnetic guide block constitute a first magnetic circuit traversing the magnetic gap; the main magnetic assembly, the sub-magnetic assembly and the second magnetic guide block constitute a second magnetic circuit traversing the magnetic gap; and the magnetic circuit direction of the first magnetic circuit is opposite to that of the second magnetic circuit. The first magnetic circuit and the second magnetic circuit of the present invention may greatly enhance the magnetic field strength of the magnetic gap where the voice coil is located so as to obtain good acoustic performance.
Patent WO-2020252627-A1 (WO)
Inventor: YIN YUDAN
IPC: G01N33/50
Filed: 2019-06-17
Abstract: A detection chip and a preparation method therefor. The detection chip (100) comprises a first substrate (110), multiple detection units (120), and at least one flow guide dam (130). The multiple detection units (120) are located on the first substrate (110), the flow guide dam (130) is located on the first substrate (110), and the flow guide dam (130) extends along a first path and is located between adjacent detection units (120). The detection chip (100) can improve the stability and parallelism of a flow field, facilitates improving the accuracy of immune detection results, and has the characteristics such as a small volume and high throughput.
Patent WO-2020042743-A1 (WO)
Inventor: WU LIFENG
IPC: G03F7/20
Filed: 2019-06-28
Abstract: Disclosed by the present application are a light source changing system for an exposure machine and the exposure machine. The light source changing system comprises a working chamber, a test chamber and a changing chamber; provided inside of the working chamber is a first light source, provided inside of the changing chamber is a second light source, and a guide rail is provided inside the chambers. The first light source may move along the guide rail into the changing chamber, the second light source may move along the guide rail into the test chamber, and after testing the second light source, the second light source continues to move along the guide rail into the working chamber.
Patent WO-2020024759-A1 (WO)
Title: System and method for store instruction fusion in a microprocessor
Inventor: WANG QIAN
IPC: G06F9/30
Filed: 2019-07-03
Abstract: The disclosure relates to technology executing store and load instructions in a processor. Instructions are fetched, decoded and renamed. When a store instruction is fetched, the instruction is cracked into two operation codes in which a first operation code is a store address and a second operation code is a store data. When a fusion condition is detected, the second operation code is fused or merged with an arithmetic operation instruction for which a source register of a store instruction matches a destination register of the arithmetic operation instruction. The first operation code is then dispatched/issued to a first issue queue and the second operation code, fused with the arithmetic operation instruction, is dispatched/issued to a second issue queue.
Patent WO-2021022393-A1 (WO)
Title: 手持云台
Inventor: XIE MINZHAO
IPC: F16M13/04
Filed: 2019-08-02
Abstract: 一种手持云台，包括手柄(10)、第一轴组件(20)、第二轴组件(30)、第三轴组件(40)、承载物(50)以及限位组件(60)，限位组件(60)包括限位部和配合部，限位部和配合部的其中之一设于第三轴组件(40)上；当手持云台切换至收纳状态时，第三轴组件(40)收纳于手柄(10)的一侧，并受限位组件(60)限位而不再转动。本申请实施例提供的手持云台，利用第一轴组件(20)、第二轴组件(30)和第三轴组件(40)形成的三轴转动可以满足其使用状态下的增稳功能。通过设置限位组件(60)，可限制第三轴组件(40)的第三轴臂(44)不再转动，从而使整个手持云台不会随意转动。
Patent WO-2021031050-A1 (WO)
Inventor: CHEN MENGZHU
IPC: H04W52/02
Filed: 2019-08-17
Abstract: L'invention concerne des procédés, des systèmes et des dispositifs de signalisation pour réduire la consommation d'énergie de dispositifs sans fil dans des modes d'économie d'énergie. Un exemple de procédé de communication sans fil consiste à émettre, par un nœud de réseau vers un dispositif sans fil en communication avec le nœud de réseau, une information de commande qui est basée sur le dispositif sans fil qui est dans un état d'économie d'énergie différent d'un état normal d'alimentation. Un autre procédé donné à titre d'exemple pour une communication sans fil consiste à recevoir, par un dispositif sans fil à partir d'un nœud de réseau, une information de commande qui est basée sur le dispositif sans fil qui est dans un état d'économie d'énergie qui est différent d'un état normal d'alimentation.
Patent WO-2020043158-A1 (WO)
Inventor: GUENER TILL
IPC: B65G47/88
Filed: 2019-08-29
Abstract: A stopper (4) for a transmission system (10) and the transmission system (10). The stopper (4) comprises a base (40) and a first piston assembly (41) disposed inside of the base (40); the first piston assembly (41) comprises a tubular part (411) and a first core part (412); the tubular part (411) comprises a damping cavity (411A), and the damping cavity (411A) has a pressure medium inside; the first core part (412) has a first movement direction relative to the base (40), and the first core part (412) comprises a rod part (4120) and a stopping part (4121) at a free end of the rod part (4120); the first piston assembly (41) has a second movement direction relative to the base (40), said second movement direction being perpendicular to the first movement direction. The stopper can stop trays by means of damping.
Patent WO-2020224117-A1 (WO)
Inventor: WU ZHUANGWEI
IPC: G01C21/34
Filed: 2019-08-29
Abstract: 基于历史视频的导航方法、装置（100）、计算机设备（500）及存储介质（503），通过将实际道路路况实景图片作为预先训练的道路天气状况识别模型的输入，得到实际道路路况实景图片的道路天气状况识别结果（S140）；若道路天气状况识别结果大于预设的恶劣天气预警值，获取对应的实际道路路况实景图片，及实际道路路况实景图片对应的地理位置坐标（S150）；以及将地理位置坐标对应的实际道路路况实景图片替换为非恶劣天气状况下的道路路况实景图片（S160）。
Patent WO-2020186704-A1 (WO)
Title: 一种电饭锅的智能控糖系统及其控糖方法
Inventor: XU BIN
IPC: A47J27/00
Filed: 2019-09-06
Abstract: 本发明涉及一种电饭锅的智能控糖系统及其控糖方法；包括电饭煲、互联网及数据中心，电饭煲设置有控制模块、蒸饭模块、测糖模块和显示模块，控制模块分别与蒸饭模块、测糖模块及显示模块电性连接，测糖模块和显示模块分别与互联网进行网络通讯连接，互联网与数据中心相互进行信息反馈地通讯连接，通过测糖、传输、分析、反馈及控糖实现降糖目的；本发明的有益效果体现为：在传统电饭煲中设置测糖模块对人体进行实时血糖值检测，通过互联网的方式实现数据传输和检测形成降糖方案，由电饭煲的显示模块显示，蒸饭模块根据降糖建议将米饭进行一定时间和温度的糊化，降低米饭中的淀粉含量，实现控制淀粉量的摄入，防止摄入过多淀粉导致血糖值偏高。
Patent WO-2020048535-A1 (WO)
Inventor: XIAO BING
IPC: G06F21/32
Filed: 2019-09-06
Abstract: 本公开提供了一种用于基于注视点信息解锁头戴式显示设备的方法及装置。该方法包括：获取佩戴被锁定的头戴式显示设备的用户的注视点信息；根据所述注视点信息生成解锁信息；将所述解锁信息与预存的解锁秘钥进行匹配比对；在所述解锁信息与所述解锁秘钥匹配时，解锁所述头戴式显示设备。利用该方法，可以提高解锁操作的便捷性及安全性，提升用户体验。
Patent WO-2021012411-A1 (WO)
Inventor: JIANG JIANCHUN
IPC: C07C41/00
Filed: 2019-10-14
Abstract: Disclosed is a method for preparing a guaiacol product from lignin by means of steam-assisted pyrolysis, belonging to the technical field of biomass resource utilization. In the method, lignin is pyrolyzed in a pyrolysis reactor to obtain a pyrolysis product; and the pyrolysis product is continuously removed with saturated steam as an extracting solvent to obtain a guaiacol product, wherein the pyrolysis temperature is 220-400ºC, the saturated steam temperature is 150-300ºC, the saturated steam flow is 2.5-12.5 g/min, and the reaction time is 0.5-2 h. In the present invention, the breaking of an oxygen-containing ether bond of a lignin component is realized by means of the pyrolysis, the continuous removal of the pyrolysis product is realized by saturated steam extraction, the yield of a liquefied product is improved, and the guaiacol product is selectively prepared. The liquefied product obtained in the present invention has a high purity, is simple in process and will easily achieve industrial promotion.
Patent WO-2020155685-A1 (WO)
Inventor: WANG HAI
IPC: B05C17/005
Filed: 2019-10-24
Abstract: 一种手持式控温胶枪，属于涂胶器械，包括手持胶枪和辅助组件两部分，其中手持胶枪包括：手柄握把（1），固定安装在手柄握把（1）上的缸筒（2），设置在缸筒（2）外部的加热组件（3），与缸筒（2）连接的气控开关（6）；辅助组件其包括：壳体（11），设置在壳体（11）内部的控制组件和气体压缩机，以及设置在壳体（11）一侧的调压阀（16）。该手持式控温胶枪，通过将辅助组件独立于所述手持胶枪，通过电/气管道与手持胶枪相连接，减轻了手持部分的重量；通过两位三通机控阀控制气体进入缸筒内，推动支装胶筒底座上的活塞，挤压涂胶胶料，实现自动出料；通过加热组件加热支装胶筒内涂胶，提高胶料的流动性；解决了现有设备的整体重量较大的问题，同时可以兼顾出胶流量和加热温度的可控性。
Patent WO-2021056697-A1 (WO)
Inventor: ZHANG ZHEN
IPC: G02B26/10
Filed: 2019-11-06
Abstract: 一种基于光程可变的多反射镜激光动态聚焦系统，由可调激光聚焦系统（10）、多反射镜动态聚焦系统（20）以及安装基座（30）组成。多反射镜动态聚焦系统（20）采用由包括四面反射镜（201A-201D）的平面反射镜组（201）构成的可变光程光路系统，实现对多反射镜动态聚焦系统（20）出射的光束进行光斑位置变焦的功能，在动态变焦的过程中保持光斑尺寸的一致性。可调激光聚焦系统（10）包括激光发散透镜及其沿光轴移动装置（101）和聚焦透镜组（102），完成对入射激光束的扩束、聚焦功能，各透镜相对位置可调，因此可以从工作焦距、光斑尺寸、协同变焦等多个方面对系统进行性能调节。
Patent WO-2021087801-A1 (WO)
Inventor: WU YEDAN
IPC: H04W12/00
Filed: 2019-11-06
Abstract: The present application provides a communication method, communication device, and communication system, said method comprising: a terminal device generating first indication information, the first indication information being used for indicating a plurality of private networks, the plurality of private networks comprising a first private network, the first private network being a network which the terminal device requests to access; the terminal device sending the first indication information to an access network device. In the present application, the first indication information is used for indicating a plurality of private networks comprising a first private network; it is impossible to determine which of the plurality of private networks is the first private network only by the content of the first indication information; thus even if the first indication information is intercepted, it is also impossible to determine which specific network the terminal device requests to access, such that the identity of the user is not exposed, improving the secure use performance of the network.
Patent WO-2021027150-A1 (WO)
Title: 服务器安全检测方法、装置、计算机设备和存储介质
Inventor: HUANG KUN
IPC: G06F21/52
Filed: 2019-11-13
Abstract: 本申请涉及一种服务器安全检测方法、装置、计算机设备和存储介质。包括：当接收到客户端发送的访问请求触发检测指令时，根据所述访问请求获取用户所在地；向所述客户端反馈根据所述用户所在地生成的检测数据；获取所述客户端根据检测数据反馈的反馈信息，所述反馈信息中包括：通过画布输入的检测信息和输入时产生的操作数据；对所述检测信息和所述操作数据进行异常检测，获得检测结果；及当所述检测结果为异常时，对所述访问请求进行拦截。
Patent WO-2021092852-A1 (WO)
Title: High gloss ceramic finish enclosures
Inventor: CHUANG YACHENG
IPC: C25D11/30
Filed: 2019-11-14
Abstract: A method for treating a metal substrate to form a high gloss ceramic finish enclosure have been described. In an example, a method (100) for treating a metal substrate includes providing a metal substrate (102); polishing the metal substrate in presence of a megnetorheological fluid (104) to obtain a polished metal substrate; coating the polished metal substrateby micro-plasmic oxidation (106) to obtain a micro-plasmic oxide film; and polishing a surface of the micro-plasmic oxide film (108) to obtain a mirror finish substrate with surface roughness of from about 0.01μm to about 0.1μm.
Patent WO-2020103886-A1 (WO)
Inventor: YU SAN-CHUAN
IPC: B60C23/04
Filed: 2019-11-20
Abstract: A tire pressure and side-looking radar alarm method and system. The method comprises: when a side-looking radar module (20) detects a vehicle approaching from a side of a vehicle, the side-looking radar module (20) transmitting a corresponding vehicle approach signal to an alarm module (30) according to the position of the vehicle approaching from the side, and transmitting a first control signal to a tire pressure monitoring module (10); when the alarm module (30) receives the vehicle approach signal, the alarm module (30) issuing an alarm according to the received vehicle approach signal; when the tire pressure monitoring module (10) receives the control signal, the tire pressure monitoring module (10) monitoring a tire pressure, and transmitting a corresponding tire pressure signal to the alarm module (30) according to a monitoring result; and the alarm module (30) issuing an alarm according to the received tire pressure signal.
Patent WO-2020215723-A1 (WO)
Inventor: CUI YONGHUA
IPC: F04C18/02
Filed: 2019-11-29
Abstract: Provided is a scroll compressor, comprising a compression mechanism (CM) and a valve assembly (200), wherein the compression mechanism (CM) is provided with a vent (V), and the valve assembly (200) is used for selectively opening and closing the vent (V). The valve assembly (200) comprises a valve plate (220) and at least one valve piece (224), wherein the valve plate (220) comprises at least one valve orifice (222); and the valve piece (224) is configured to selectively open and close the valve orifice (222). The scroll compressor further comprises a guide passageway (L), wherein the guide passageway (L) is provided with a first port (L1) communicating with the valve orifice (222) and a second port (L2) communicating with the exhaust opening (V). The valve assembly and the compressor can significantly prolong the service life of the valve piece, and can provide good guidance for a fluid discharged from the compression mechanism, thereby significantly reducing the resistance of venting and the pressure drop in the fluid, and significantly improving the effect of venting.
Patent WO-2021097914-A1 (WO)
Title: 摄像光学镜头
Inventor: GUO YUTONG
IPC: G02B13/18
Filed: 2019-12-03
Abstract: 一种摄像光学镜头（10），由物侧至像侧依次包括具有负屈折力的第一透镜（L1）、具有正屈折力的第二透镜（L2）、具有负屈折力的第三透镜（L3）、具有正屈折力的第四透镜（L4）及具有负屈折力的第五透镜（L5），且满足以下关系式：1.10≤f2/f≤2.00；1.20≤(R7+R8)/(R7-R8)≤3.00；5.00≤d7/d8≤8.00；8.00≤R5/R6≤50.00。摄像光学镜头（10）在具有良好的光学性能的同时，还满足广角化、超薄化的设计要求。
Patent WO-2021109155-A1 (WO)
Title: Loudspeaker enclosure
Inventor: GAO SHANG
IPC: H04R9/06
Filed: 2019-12-07
Abstract: Provided in the utility model is a loudspeaker enclosure, wherein a sounding monomer divides an accommodating space into a front cavity and a rear cavity; a retaining wall divides the rear cavity into a first rear cavity and a second rear cavity; a lower cover is provided with a lower cover body, an annular surrounding wall formed by means of extending the lower cover body to an upper cover, a groove defined by the lower cover body and the surrounding wall, a through hole penetrating the groove, and a cover plate covering the through hole; the orthographic projection of the groove towards the direction of the upper cover falls into the second rear cavity; the orthographic projection of the through hole towards the direction of the upper cover falls into the first rear cavity, the retaining wall and the second rear cavity; an air-permeable isolation member is attached to the side of the surrounding wall close to the upper cover, and is spaced from the cover plate and completely covers the groove; the air-permeable isolation member packages sound absorption particles in the second rear cavity; the lower cover body, the cover plate, the surrounding wall, the retaining wall and the air-permeable isolation member together define an air guide channel; and an air flow in the first rear cavity bypasses the retaining wall, passing through the air guide channel and the air-permeable isolation member, and then enters the second rear cavity. Compared to related technology, the loudspeaker enclosure of the utility model has good reliability and excellent acoustic performance.
Patent WO-2020143387-A1 (WO)
Inventor: ZHANG JIXIONG
IPC: G06F3/0488
Filed: 2019-12-12
Abstract: A table processing method, device and system, and a storage medium and an intelligent interactive tablet. The table processing method is applied to the intelligent interactive tablet and comprises the following steps: receiving a table inserting operation in a whiteboard application interface (S102); displaying a pop-up window used for generating a table (S104), a table preview and a first button being displayed on the pop-up window; changing the number of rows and/or the number of columns of the table preview according to a touch dragging operation on the first button (S106); and displaying the table on the whiteboard application interface according to the table preview (S108), the number of rows and the number of columns of the table being the same as those in the table preview. According to the method, the table is inserted into the whiteboard application interface by means of the touch dragging operation, it is more suitable for touch interaction experience, and a preview of the table to be inserted can be previewed in the inserting process, it is more visual and natural and can be widely applied to touch devices.
Patent WO-2021103223-A1 (WO)
Inventor: ZHANG LIANGFEN
IPC: H01L51/52
Filed: 2019-12-20
Abstract: An OLED display panel (10) and a manufacturing method therefor. The OLED display panel (10) comprises a TFT assembly (100), an auxiliary electrode (109), an anode (301), an overlapping electrode (302), a metal layer (50), an organic layer (402), an organic light-emitting layer (601) and a cathode (602); the overlapping electrode (302) is connected to the auxiliary electrode (109), the organic light-emitting layer (601) and the cathode (602) are connected to the auxiliary electrode (109), and the metal layer (50) and the organic layer (402) have an undercut structure.
Patent WO-2020135373-A1 (WO)
Inventor: CHEN CHEN
IPC: F21V21/06
Filed: 2019-12-24
Abstract: 一种汽车前灯的支承支架(P1)，包括：第一支承部(100a)，用于支承近光单元(P2b)；第二支承部(100b)，用于支承远光单元(P2a)；第一转动部(300)，所述第一转动部(300)用于使所述第一支承部(100a)和第二支承部(100b)围绕所述第一转动部(300)的转动轴线沿水平方向同步转动。根据上述设置，能够降低支承支架(P1)的承重需求。还提供了一种车灯的罩壳(P5)，汽车前灯的对准机构，汽车车灯，车辆，以及汽车前灯的对准方法。
Patent WO-2021077603-A1 (WO)
Inventor: LIU PING
IPC: A47C19/12
Filed: 2019-12-24
Abstract: L'invention concerne un mécanisme de verrouillage, comprenant un corps de verrouillage (3), un premier élément de raccordement (6), et un second élément de raccordement (7), et comprenant en outre un bloc de verrouillage (9) relié rotatif au corps de verrouillage, un premier élément de verrouillage (10) et un second élément de verrouillage (11) disposé sur le bloc de verrouillage, une première partie de correspondance (61) formée sur le premier élément de raccordement et correspondant au premier élément de verrouillage, et une seconde partie de correspondance (71) formée sur le second élément de raccordement et correspondant au second élément de verrouillage. Lorsque la première partie de correspondance est verrouillée avec le premier élément de verrouillage et que la seconde partie de correspondance est verrouillée avec le second élément de verrouillage, le bloc de verrouillage est fixé par rapport au corps de verrouillage ; lorsque la première partie de correspondance est séparée du premier élément de verrouillage ou que la seconde partie de correspondance est séparée du second élément de verrouillage, le bloc de verrouillage tourne par rapport au corps de verrouillage. La structure de verrouillage évite d'avoir recours à un verrouillage unilatéral et est pratique à utiliser pour un utilisateur.
Patent WO-2021103246-A1 (WO)
Title: 一种初级永磁双边直线磁场调制电机及其低磁阻设计方法
Inventor: ZHAO WENXIANG
IPC: H02K15/00
Filed: 2019-12-26
Abstract: 一种初级永磁双边直线磁场调制电机及其低磁阻设计方法，电机结构包括两个仅由凸极齿（11,21）组成的次级（1,2）以及一个排布着永磁体（31）及电枢绕组（321）的初级（3），上下两个次级凸极齿（11,21）正对排布，凸极齿（11,21）起到调制磁场的效果，初级（3）单边电枢齿顶间隔排布励磁方向相同的表贴式永磁体（31），同时初级（3）两边永磁体（31）错位分布，初级铁心采用模块化设计，每个初级模块仅由长条形电枢齿（33）组成，邻近两个模块之间形成半闭口电枢槽或闭口槽，槽内排布电枢绕组（321），能有效降低电机加工难度，同时永磁体（31）、次级调制齿的排布设计能有效简化磁通路径，降低磁通路径上的磁阻，提高电机磁场幅值，提升转矩性能，具有较大的应用前景。
Patent WO-2021109297-A1 (WO)
Inventor: LI JIUYUAN
IPC: C07C319/22
Filed: 2019-12-27
Abstract: 本发明公开了一种依特卡肽中间体及依特卡肽的合成方法。其中，该依特卡肽中间体为Fmoc-D-Cys(S-S-(N-Boc)-L-Cys(OtBu))-OH，依特卡肽中间体的合成方法包括以下步骤：以N-Boc-L-Cys-OtBu为起始原料，通过取代反应生成初级产物式（A)，其中，R为S-Py或Cl，初级产物与Fmoc-D-Cys-OH氨基酸进行偶联反应得到Fmoc-D-Cys(S-S-(N-Boc)-L-Cys(OtBu))-OH。该关键中间体用于合成依特卡肽可以提高纯度和收率，重要的是，合成此关键中间体的原料廉价易得，工艺简单。
Patent WO-2021134187-A1 (WO)
Inventor: ZHUANG SHANGYUN
IPC: G01D1/02
Filed: 2019-12-30
Abstract: L'invention concerne un procédé de commande de véhicule à base de surveillance de réseau, consistant à : obtenir une instruction de prise de contrôle à distance, envoyer des informations d'image de route et des informations d'état de véhicule à un serveur de commande conformément à l'instruction de prise de contrôle à distance (S202) ; recevoir une instruction de commande à distance envoyée par le serveur de commande conformément aux informations d'image de route et aux informations d'état de véhicule, et envoyer un résultat d'exécution d'instruction de l'instruction de commande à distance au serveur de commande (S204) ; obtenir une différence de temps d'interaction correspondant à des paramètres de temps de l'instruction de commande à distance et au résultat d'exécution d'instruction (S206) ; obtenir un paquet de battement de cœur et un message de réponse au paquet de battement de cœur correspondant aux informations d'état de véhicule, et calculer une valeur de retard de temps de message conformément au paquet de battement de cœur et au message de réponse au paquet de battement de cœur (S208) ; et déterminer la qualité de réseau courante conformément à la différence de temps d'interaction et à la valeur de retard de temps de message, générer des conditions de commande de vitesse de véhicule conformément à la qualité de réseau courante, et commander un véhicule conformément aux conditions de commande de véhicule et à l'instruction de commande à distance (S210).
Patent WO-2020143648-A1 (WO)
IPC: B65D90/66
Filed: 2020-01-08
Abstract: A locking device (100), comprising: a base (110) provided with a stopper (112); a locking member (120), which is installed on the base (110) and moves between a locked position and an unlocked position relative to the base (110), and is biased towards the locked position by a first biasing device (150) provided between the base (110) and the locking member (120); a positioning member (130), which is movably connected to the locking member (120), and may move between a stop position and a free position. In the stop position, the positioning member (130) engages with the stopper (112), and the stopper (112) blocks the locking member (120) from moving towards the locked position. In the free position, the positioning member (130) disengages from the stopper (112), the locking member (120) may move toward the locked position, and the positioning member (130) is also configured to be biased toward the stop position when the locking member (120) is in an unlocked state; and a trigger member (140), which is movably connected to the base (110), and is configured to be able to move so as to push the positioning member (130) away from the stop position. The locking device (100) may be positioned in an unlocked state. When a plurality of locking devices (100) need to be unlocked at the same time, a single person may successively unlock same, thus reducing labor.
Patent WO-2020211499-A1 (WO)
Title: Self-checkout method and device for commodities
Inventor: SONG YANG
IPC: G07G1/00
Filed: 2020-01-14
Abstract: A self-checkout method and device for commodities. The method comprises: acquiring an image obtained by a camera photographing a commodity placed on a checkout table (501), and then dividing the image into image regions (502); detecting a code region of a commodity code in any image region (503); if a code region is detected, then identifying a code in the code region, and determining the category of a commodity comprised in the image region according to the identified code (504); if the code region is not detected or the code cannot be identified, identifying the category of the commodity on the basis of the image region by means of visual identification (505); and finally, determining a pricing result of the commodity according to the category of the commodity (506). The scanning speed and accuracy of the commodity barcode scheme, as well as the user experience of the visual identification scheme may be taken into account.