baber/WOPTO huggingface dataset:
Patent WO-2020181931-A1 (WO)
Inventor: LI JUAN
IPC: G01N21/64
Filed: 2020-01-22
Abstract: Disclosed in the present application are a heptamethine carboxylindole cyanine dye and a preparation method and an application therefor, relating to the field of polymethine indole cyanine dyes and the preparation thereof. The structural formula of the heptamethine carboxylindole cyanine dye is shown in formula (I); the dye has the properties of near infrared light absorption and fluorescence development, and can be used as a probe auxiliary agent. The method comprises the following steps: 1) reacting raw materials comprising a 2,3,3-trimethyl-carboxylindole derivative and a nucleophilic substitution compound in vacuum conditions at a rising temperature to obtain an organic ammonium salt; and 2) reacting a solution containing the organic ammonium salt obtained in step 1) and a cyclo-olefin derivative at a rising temperature in closed conditions. The method has the advantages of a short synthesis route, an environmentally friendly solvent, simple processing, high yield, high purity, and preventing noble metal catalysis, and has high applicability and can be used to synthesise products of various structural types.
Patent WO-2021179309-A1 (WO)
Inventor: CAI XIONGYU
IPC: G02B13/18
Filed: 2020-03-13
Abstract: An optical system (10), a lens module (20), and a terminal device (30). The optical system (10), arranged in order from an object side to an image side, comprises a first lens (L1), a second lens (L2), a third lens (L3), a fourth lens (L4), a fifth lens (L5), a sixth lens (L6), and a seventh lens (L7), the first lens (L1) and the fifth lens (L5) have negative refractive powers, and the remaining lenses have positive refractive powers; the optical system (10) satisfies the following conditional relation: 40 < (HFOV × f) / Imgh < 60; HFOV is the horizontal field of view of the optical system (10), f is the effective focal length of the optical system (10), and Imgh is the image height corresponding to the horizontal field of view of the optical system (10). By means of a suitable configuration of the refractive powers of the lenses from the first lens (L1) to the seventh lens (L7) in the optical system (10), as well as the restriction on (HFOV × f) / Imgh, the optical system (10) has long focal length and high resolution, can clearly photograph objects at a relatively far distance, has better picture quality, and produces more detailed pictures.
Patent WO-2020215946-A1 (WO)
Inventor: RAO HAISHAN
IPC: A63H1/10
Filed: 2020-03-20
Abstract: Provided is a flying fidget spinner, comprising a rotary gripping portion, a main body and a control unit. The rotary gripping portion comprises a rotary center member and a bearing member, wherein the rotary center member is in a bearing connection with the main body by means of the bearing member. The main body comprises a main body frame and at least two pairs of flying power-assist units. The control unit is located in the main body and is used for controlling the at least two pairs of flying power-assist units to provide flying power assistance, so as to drive the flying fidget spinner to fly in a suspended manner. According to the present application, the flying power-assist units are designed for the fidget spinner, such that the effect of flying in a suspended manner, of the flying fidget spinner, without external-force clamping is achieved, the defect of a single playing method of the flying fidget spinner is overcome, and enjoyment of the flying fidget spinner is improved greatly.
Patent WO-2021189375-A1 (WO)
Title: Système de filtre d'obstacle basé sur une caractéristique de nuage de points
Inventor: LIU XIANG
IPC: G06T5/00
Filed: 2020-03-26
Abstract: Un procédé, un appareil et un système pour filtrer des obstacles candidats déterminés sur la base de sorties d'un dispositif LIDAR dans un véhicule autonome sont divulgués. Un nuage de points comprenant une pluralité de points est généré sur la base des sorties du dispositif LIDAR (610). Un ou plusieurs obstacles candidats sont déterminés sur la base du nuage de points (620). Le ou les obstacles candidats sont filtrés pour exclure un premier ensemble d'obstacles candidats parmi le ou les obstacles candidats qui correspondent à un bruit sur la base, au moins en partie, de caractéristiques associées à des points qui correspondent à chacun du ou des obstacles candidats. Un ou plusieurs obstacles reconnus comprenant les obstacles candidats qui n'ont pas été exclus sont déterminés (640). Les opérations d'un véhicule autonome sont commandées sur la base des obstacles reconnus (650).
Patent WO-2020192787-A1 (WO)
Title: Event notification method and device, and storage medium
Inventor: HONG YINGJIE
IPC: H04W52/02
Filed: 2020-03-30
Abstract: Disclosed are an event notification method and device as well as a storage medium. The method comprises: the NEF obtains, according to a second event notice from the SMF, information of an AF sending downlink data, a second event being an event of monitoring whether an AF sends downlink data, and a first event being a UE reachable event after the downlink data notification fails; the NEF receives a first event notice from the AMF, and sends the first event notice to the AF sending the downlink data according to the obtained information.
Patent WO-2021128630-A1 (WO)
Title: 热固性环氧树脂组合物及使用其的半固化片、层压板和印制线路板
Inventor: CHEN YONG
IPC: C07F9/6571
Filed: 2020-03-31
Abstract: 提供一种热固性环氧树脂组合物及使用其的半固化片、层压板和印制线路板。该热固性环氧树脂组合物包括如下重量份数的组分：含磷酸酐2-10份，不含磷的酸酐5-40份，环氧树脂5-45份，填料40-70份，以及含磷阻燃剂0-15份；上述各组分的总重量份数为100份；所述含磷酸酐具有式I或式II所示结构；所述环氧树脂选自双酚A型环氧树脂、双酚F型环氧树脂和联苯环氧树脂中的一种或至少两种的组合。该热固性环氧树脂组合物固化后在保证V0级阻燃性的同时，还具有良好的耐热变色性和尺寸稳定性，可用于LED领域印制线路板基材的制备。
Patent WO-2021159603-A1 (WO)
Inventor: Xian Zhihai
IPC: G01C21/16
Filed: 2020-04-21
Abstract: 一种基于无人机的室内导航方法，装置、设备和存储介质，方法包括：在接收到无人机导航请求时，获取无人机的初始位置和目的位置（S10）；通过无人机中的第一采集装置采集无人机的运行状态信息，通过无人机中的第二采集装置采集初始位置处不同高度和不同拍摄角度的周边环境信息（S20）；根据运行状态信息和周边环境信息构建拍摄对象的特征点云，处理特征点云得到拍摄对象的点云模型（S30）；将点云模型与预设BIM模型叠加得到叠加模型，根据叠加模型生成到达目的位置的导航路线，并控制无人机按导航路线运行（S40）。实现了无人机室内自动导航，提高了无人机室内导航的精度。
Patent WO-2020182224-A1 (WO)
Inventor: BARNARD PIERCE
IPC: H01H19/54
Filed: 2020-04-24
Abstract: 一种交互组件（100）和家用电器（1000）。交互组件（100）包括面板（10）、显示屏组件（20）和输入组件（30），显示屏组件（20）和输入组件（30）分居在面板相背的两侧，输入组件（30）在面板（10）的正投影与显示屏组件（20）在面板（10）的正投影至少部分地重叠，显示屏组件（20）能够透过面板（10）和输入组件（30）进行显示。交互组件（100）被配置成利用输入组件（30）控制显示屏组件（20）的显示内容。
Patent WO-2020228681-A1 (WO)
Inventor: LI JINAN
IPC: A61K38/49
Filed: 2020-05-11
Abstract: Disclosed is a method for treating amyotrophic lateral sclerosis (ALS), comprising administering a therapeutically effective amount of a plasminogen pathway activator to a subject. Further disclosed are a pharmaceutical composition, product and kit, which contain the plasminogen pathway activator, for treating amyotrophic lateral sclerosis.
Patent WO-2020233520-A1 (WO)
Inventor: XU XIUKUN
IPC: H02K9/193
Filed: 2020-05-15
Abstract: Disclosed in the present invention is an integrated oil-cooled permanent magnet governor, comprising a permanent magnet governor body and an oil tank. The permanent magnet governor body is fixedly mounted on a surface of the oil tank; an oil pump is fixedly mounted on the surface of the oil tank; a first oil path bent pipe of an input end of the oil tank is connected to the surface of the oil tank; a second oil path pipeline of an output end of the oil pump is connected to one access inlet of a three-way joint; one of the access inlets of the three-way joint is connected to an input end of a filter, and another access inlet of the three-way joint is connected to an input end of an overflow valve; a second oil path bent pipe of an output end of the overflow valve is connected to a side surface of the oil tank; a third oil path pipeline of an output end of the filter is connected to an input end of a cooler; a cooling liquid pipe of an output end of the cooler is connected to an oil inlet of the permanent magnet governor body. The oil tank and an oil path system are integrated in the permanent magnet governor, an external auxiliary device is not needed, the structure is simple, the size is small, and application adaptability is strong.
Patent WO-2021120519-A1 (WO)
Inventor: WANG HAO
IPC: G01D7/00
Filed: 2020-05-22
Abstract: L'invention divulgue un procédé et un appareil de commande de couleur pour un objet à afficher, un dispositif de mesure et un support. Le procédé consiste à : obtenir des informations d'un objet à afficher et générer une interface correspondante dudit objet en fonction desdites informations ; régler des informations de couleur de ladite interface sur la base d'une boîte de mappage de couleurs prédéfinie dudit objet, ladite boîte de mappage de couleur étant utilisée pour définir une relation de mappage entre lesdites informations sur l'interface d'affichage actuelle et les informations de couleur ; et afficher lesdites informations de ladite interface en fonction des informations de couleur définies.
Patent WO-2021184537-A1 (WO)
Inventor: JIANG WENCHUN
IPC: C21D9/50
Filed: 2020-05-25
Abstract: 一种主副加热调控残余应力局部热处理方法。将主加热带作用在焊缝处，调控焊缝微观组织和硬度，使得组织均匀，实现微观残余应力调控；副加热带施加在距离焊缝一段距离，在焊缝内表面产生压缩应力，实现宏观压缩应力调控。避免了使用筋板加固，大大减少了劳动强度和施工周期；相比传统热处理方法，很大程度降低了焊缝附近的变形，并将最大变形转移至非焊缝区；通过施加副加热并严格控制主副加热时间间隔，可实现组织改善的同时大幅度调控焊接残余应力；能够使局部热处理效果达到最优，焊缝内表面产生较小的拉应力甚至产生压应力，从根本上解决大型装备焊缝处产生应力腐蚀开裂而发生泄露的难题。
Patent WO-2021077745-A1 (WO)
Inventor: WANG SHUGUANG
IPC: G06F3/06
Filed: 2020-05-28
Abstract: A data reading and writing method and apparatus, storage server and readable storage medium of a distributed storage system, the method comprising: obtaining an IO request, the IO request comprising identification information of a target object; determining a target placement group according to the identification information of the target object; determining a target OSD corresponding to the target placement group in a pre-created cache file, and sending the IO request to the target OSD to implement data reading and writing. As can be seen, the method caches the correspondence between the placement group and the OSD in the cache file, therefore, in the process of data reading and writing, there is no need to use tedious calculations to determine the target OSD corresponding to the target placement group, which reduces wastage of system CPU resources in the IO path and may greatly reduce IO delay.
Patent WO-2021243481-A1 (WO)
Inventor: XU ZHUOQI
IPC: H04W76/00
Filed: 2020-05-30
Abstract: In one aspect, a method of wireless communication for a network entity includes receiving, from a user equipment (UE), a message including channel state feedback. The method also includes determining a channel quality indicator (CQI) value based on the channel state feedback. The method includes configuring a demodulation reference signal (DMRS) setting of a physical downlink control channel (PDSCH) configuration for a particular slot based on the CQI value being greater than a CQI threshold. The method further includes configuring the DMRS setting of the PDSCH configuration for multiple slots based on a downlink block error rate (BLER) of a PDSCH transmission for the particular slot being less than a BLER threshold and based on a modulation coding scheme (MCS) value of the PDSCH transmission for the particular slot being greater than a MCS threshold. Other aspects and features are also claimed and described.
Patent WO-2021243482-A1 (WO)
Title: 基于氮化镓芯片、芯片制备方法及氮化镓功率器件、电路
Inventor: HOU ZHAOZHENG
IPC: H01L21/822
Filed: 2020-05-30
Abstract: 本申请提供了一种芯片、氮化镓功率器件和电源驱动电路，其中，该芯片包括：衬底、设置于衬底上的多个氮化镓组件，多个氮化镓组件阵列排列；氮化镓组件包括分别设置于衬底上的有源区和非有源区，非有源区包围有源区的侧表面，有源区包括氮化镓层和氮化铝镓层形成的异质结，非有源区包括间隔设置的多个凹槽，该多个凹槽均贯穿非有源区并显露衬底，多个凹槽用于与每一个氮化镓组件相邻的氮化镓组件相隔离。
Patent WO-2021047221-A1 (WO)
Inventor: SU FENG
IPC: B60L53/00
Filed: 2020-06-09
Abstract: 一种充放电电路、系统和电动汽车，该充放电电路包括电池(1)、电机(5)、第一充电接口(6)、第一桥臂(2)、第二桥臂(3)、第三桥臂(4)、第一开关(K1)、第二开关(K2)、第三开关(K3)、第四开关(K4)、第五开关(S1)、第六开关(S2)、第七开关(S3)和第八开关(S4)，该结构使得充放电电路可以实现驱动模式和充电模式，从而省去了充放电电路中不必要的部件，缩小了充放电电路的体积。
Patent WO-2021227216-A1 (WO)
Title: Display panel and display device
Inventor: ZHAO YONGCHAO
IPC: H01L27/32
Filed: 2020-07-02
Abstract: The present application provides a display panel and a display device. The display panel comprises: an array substrate, and an optical functional layer and an anti-reflective layer which are located on the array substrate, the material of the anti-reflective layer comprising a sulfur-containing material, and the refractive index of the anti-reflective layer being between the refractive indexes of two film layers adjacent to the anti-reflective layer. The refractive index of the anti-reflective layer is between the refractive indexes of the two film layers adjacent to the anti-reflective layer, thereby reducing the reflection of external light by the display panel, and improving the display effect of the display panel.
Patent WO-2022006867-A1 (WO)
Title: Rebuilding logical-to-physical address mapping with limited memory
Inventor: WEI MENG
IPC: G06F12/02
Filed: 2020-07-10
Abstract: Methods, apparatuses, and systems include reading logical-to-physical (L2P) table entries from non-volatile memory into volatile memory. Upon detection of a trigger to recover L2P data that was unmerged with the L2P table entries, a copy of an L2P journal is read from non-volatile memory. The L2P journal includes the L2P data that was unmerged with the L2P table entries. One or more of the L2P table entries are updated using the L2P data from the L2P journal.
Patent WO-2021135151-A1 (WO)
Inventor: LIU JIE
IPC: A61N1/36
Filed: 2020-07-13
Abstract: 一种颈部按摩仪（1），所述颈部按摩仪（1）包括：主机体（100）；储液器（200），所述储液器（200）安装于所述主机体（100）内，所述储液器（200）具有用于储存导电液的储液腔（201）；电极片（300），所述电极片（300）安装于所述主机体（100）的朝向人体颈部的一侧，所述电极片（300）构造有渗析孔（310），所述渗析孔（310）与所述储液腔(201)连通。
Patent WO-2022011500-A1 (WO)
Inventor: YAN LE
IPC: H04W36/00
Filed: 2020-07-13
Abstract: 本申请提供了配置方法和装置，在本申请的技术方案中，由源接入网设备向终端设备指示至少一个候选小区支持的CA band组合信息和/或DC band组合信息，终端设备在确定出目标主小区并成功接入目标主小区后，将可以与目标主小区一起为终端设备提供CA通信的小区的信息和/或可以与目标主小区一起为终端设备提供DC通信的小区的信息发送给目标主小区，进而，使得目标主小区可以决定是否为终端设备配置CA、配置哪些小区作为辅小区、是否为终端设备配置DC以及添加哪个小区为主辅小区。通过该技术方案，可以实现在CHO过程中快速配置CA和/或DC，提升系统吞吐量。
Patent WO-2022016353-A1 (WO)
Inventor: JIANG CHUANGXIN
IPC: H04W4/00
Filed: 2020-07-21
Abstract: L'invention concerne des systèmes et des procédés pour améliorer la fiabilité de transmissions de liaison montante. Un dispositif de communication sans fil peut recevoir un octroi de planification d'un canal de liaison montante en provenance d'un nœud de communication sans fil. Le dispositif de communication sans fil peut transmettre le canal de liaison montante au nœud de communication sans fil. Le dispositif de communication sans fil peut transmettre, au nœud de communication sans fil, une indication de bloc de transmission afin de déterminer une taille de bloc de transmission (TBS) du canal de liaison montante.
Patent WO-2021017983-A1 (WO)
Inventor: LIN NAN
IPC: H04W4/80
Filed: 2020-07-22
Abstract: La présente invention concerne un module d'émission/réception de données sans fil et un procédé de communication, qui se rapportent au domaine technique des communications et résolvent le problème selon lequel des données d'origine d'un équipement d'entraînement physique ne peuvent pas être transférées instantanément à un terminal grâce à une communication sans fil. Ledit procédé comprend : la conception du module d'émission/réception de données sans fil, une extrémité du module d'émission/réception de données sans fil étant connectée à un premier dispositif au moyen d'un câble ; avant que le module d'émission/réception de données sans fil ne passe par une instruction de demande à envoyer au premier dispositif par un terminal et des données à transmettre au terminal par le premier dispositif, le module d'émission/réception de données sans fil sauvegarde les premières informations de dispositif (par exemple, des informations pour identifier le modèle et/ou la marque du premier dispositif), et lorsqu'il se trouve dans une connexion sans fil avec le terminal, le module d'émission/réception de données sans fil envoie les premières informations de dispositif au terminal, le terminal sélectionne, en fonction des premières informations de dispositif, une demande de données et un programme d'analyse correspondant au premier dispositif, et obtient et analyse les données du premier dispositif au moyen du module d'émission/réception de données sans fil en fonction de la demande de données et du programme d'analyse sélectionnés.
Patent WO-2021027539-A1 (WO)
Title: 三维轨迹平滑处理方法、装置、设备及存储介质
Inventor: HANG JIANWEI
IPC: G06T5/00
Filed: 2020-07-27
Abstract: 本发明实施例公开了一种三维轨迹平滑处理方法，包括：跟踪目标三维数据轨迹r c，提取其中待处理的F帧数据信息r c,1、r c,2…r c,F；根据F帧数据信息计算未经过平滑处理的原始轨迹能量，以及构建相应的矩阵P；通过设置初始噪声轨迹能量计算得到目标三维数据轨迹的初始信噪比；设置阈值SNR，当初始信噪比大于阈值SNR时，对矩阵P进行降维估算，根据估算对目标三维数据轨迹进行平滑处理，判断经过平滑处理后的信噪比是否大于阈值SNR；若判断出信噪比大于阈值SNR，则循环进行该平滑处理过程；若判断出信噪比不大于阈值SNR，则循环结束，并输出最终平滑处理后的数据；本发明还提供了一种三维轨迹平滑处理装置、设备及计算机可读存储介质，通过上述的实施能够实时监测平滑处理过程中的信噪比是否达到要求值，避免大幅丢掉轨迹数据中的高频信息，通过与设置的阈值信噪比进行对比，达到一个一个数据进行精细处理的效果，从而避免将高频信息过滤掉。
Patent WO-2022027489-A1 (WO)
Inventor: LI HAITAO
IPC: H04W24/10
Filed: 2020-08-06
Abstract: 本申请实施例提供了一种邻区测量的方法、终端设备和网络设备，该方法包括：终端设备接收网络设备发送的至少两套测量间隔配置，其中，每套测量间隔配置用于配置所述终端设备执行邻区测量的测量间隔，所述至少两套测量间隔中的任意两套测量间隔配置所包括的配置参数至少部分不同；所述终端设备在所述至少两套测量间隔配置中的至少一套测量间隔配置所配置的测量间隔内执行邻区测量。
Patent WO-2021184665-A1 (WO)
Title: Automatic working system, automatic walking device and method for controlling same, and computer-readable storage medium
Inventor: ZHU SHAOMING
IPC: G05D1/02
Filed: 2020-08-17
Abstract: An automatic working system, an automatic walking device (1) and a method for controlling same, and a computer-readable storage medium. The control method comprises: acquiring a captured image; processing the captured image to acquire a processed image; segmenting the processed image into at least one sub-region; calculating the size A n  of each sub-region, respectively; counting the number of sub-regions with A n  > V in the processed image, and marking same as the number N b  of special sub-regions, wherein V is a preset number threshold; if N b  ≤ 1, determining that the captured image belongs to a lawn region; and if N b  > 1, determining that the captured image belongs to a non-complete lawn region. If it is determined that a captured image belongs to a non-complete lawn region, it can be determined that there is a large obstacle or a boundary (2), etc. Whether the automatic walking device (1) encounters an obstacle or a boundary (2) can be analyzed by analyzing a captured image, such that the operation is easier, and the control is more sensitive and effective.
Patent WO-2021027968-A1 (WO)
Inventor: XI WEINING
IPC: G06Q10/08
Filed: 2020-08-17
Abstract: A method and apparatus for processing traveling of a mobile device, a device and a storage medium. The method comprises: determining, on the basis of a wireless signal location method, a first relative position between a first position where a mobile device is currently located and a first location (101); when the first relative position meets a first preset condition, controlling the mobile device to stop (103); collecting a target region including the first location to obtain at least one collected image that meets a preset condition (105); determining, according to the collected image, a second relative position between the first position and the first location (107); and controlling, on the basis of the second relative position, the mobile device to pass through the target region (109).
Patent WO-2022041020-A1 (WO)
Inventor: ZHANG LIANGLIANG
IPC: H04W52/14
Filed: 2020-08-26
Abstract: A communication method and apparatus. The method comprises: a terminal device receives first information from a network device, the first information being used to indicate an antenna port configuration used by an uplink carrier; and the terminal device determines, according to the antenna port configuration, the statuses of L transmit channels in the terminal device, L being an integer greater than 0. By means of the foregoing method, the terminal device can determine, according to the first information, the statuses of the L transmit channels in the terminal device, thereby determining whether transmit channel switching is required before information is sent.
Patent WO-2022007161-A1 (WO)
Title: Display panel and preparation method therefor, and display apparatus
Inventor: ZHANG YIHE
IPC: G09F9/33
Filed: 2020-09-04
Abstract: Disclosed are a display panel and a preparation method therefor, and a display apparatus. The display panel comprises a display area and a non-display area, wherein the non-display area has a GOA area. The display panel further comprises a first substrate, an array substrate and an anti-deformation layer. According to the present application, the anti-deformation layer is arranged at a position that is located on the lower surface of the first substrate and corresponds to the GOA area, and the metal material of the GOA area is the same as the metal material of the anti-deformation layer, such that the thermal expansion coefficients of metals on an upper face and a lower face of the first substrate are the same, thereby effectively mitigating the warping of the first substrate and the array substrate.
Patent WO-2021174803-A1 (WO)
Inventor: YAN BING
IPC: C08G59/42
Filed: 2020-09-14
Abstract: The present invention relates to an epoxy resin cured product, a composite material, and preparation methods. The epoxy resin cured product is prepared from raw materials comprising epoxy resin and a curing agent. Epoxy resin has a chemical structure represented by formula (I). X comprises at least one of X1 and X2: X1 has a chemical structure represented by the formula, and X2 has a chemical structure represented by the formula. The adhesive force between the epoxy resin cured product of the present invention and a reinforcing material is strong, the density of the prepared composite material is reduced while the mechanical strength is high, and the present invention is suitable for blades of a wind driven generator and is beneficial to improving the power generation capacity of the wind driven generator.
Patent WO-2022056793-A1 (WO)
Inventor: BAO PENGXIN
IPC: G06F13/42
Filed: 2020-09-17
Abstract: La présente demande divulgue un procédé et un appareil de communication faisant appel à un I2C. Lorsqu'un signal d'I2C est encapsulé dans un paquet de données destiné à une transmission transparente, un premier champ dans un en-tête du paquet de données est utilisé pour indiquer un état d'I2C. Le paquet de données n'a pas de partie charge utile, ou bien le paquet a une partie charge utile mais la partie charge utile est utilisée pour transporter une adresse de bloc asservi, un drapeau de lecture/écriture ou des données d'I2C. Étant donné que l'état d'I2C est indiqué dans l'en-tête du paquet de données, l'état peut être encapsulé dans le même paquet de données que l'adresse de bloc asservi, le drapeau de lecture/écriture, ou les données d'I2C. En d'autres termes, l'état d'I2C n'a pas besoin d'occuper un paquet de données entier. La présente demande permet d'obtenir l'effet technique consistant à réduire la largeur de bande de transmission requise et à améliorer le rendement de transmission.
Patent WO-2021128999-A1 (WO)
Inventor: ZHANG LI
IPC: G01T1/00
Filed: 2020-09-22
Abstract: A ray calibration device and method. The ray calibration device comprises a motion platform and two calibration assemblies (21, 22) that are mounted on the motion platform. Each of the calibration assemblies (21, 22) is provided with a plurality of calibration samples. In the ray calibration device, when radiation energy of radiation in a plurality of directions of a radiation source is calibrated, the motion platform is capable of translating and/or rotating at least one of the calibration assemblies (21, 22) to allow a combination of the plurality of calibration samples to be capable of directly facing radiation in each direction.