baber/WOPTO huggingface dataset:
Patent WO-2021077991-A1 (WO)
Title: Message detection method, connectivity negotiation relationship establishment method, and related device
Inventor: LIU GUOLIANG
IPC: H04L45/247
Filed: 2020-09-27
Abstract: Disclosed in embodiments of the present application is a message detection method, which can be applied in the field of communications. The method in embodiments of the present application comprises: a first PE sends a detection message to a second PE, the detection message being used to enable the second PE to generate a response message, and the detection message comprising a bypass VXLAN tunnel source IP address; the first PE uses a bypass VXLAN tunnel to receive a response message to the detection message, the response message comprising the bypass VXLAN tunnel source IP address; and the first PE acquires a detection result from the response message. The first PE in embodiments of the present application may receive a response message, thus enabling the first PE to acquire a detection result.
Patent WO-2021129034-A1 (WO)
Inventor: WANG GUOLONG
IPC: H02K1/27
Filed: 2020-09-30
Abstract: An external rotor permanent magnet motor, comprising a rotor part and a stator part. The rotor part comprises a base (1), end covers (2), a steel sleeve (3) and magnetic steel (4), the stator part comprises a stator iron core (5), a shaft (6) and a winding (7), the steel sleeve (3) is in shrink fit, press fit and interference fit with the inner wall of the base (1), the magnetic steel (4) is uniformly surrounded and bonded to the inner wall of the steel sleeve (3) with glue, the end covers (2) are provided at two ends of the base (1), each end cover (2) is provided with a bearing chamber therein, a bearing (9) is provided in the bearing chamber, two ends of the shaft (6) pass through central holes of the bearings (9) on two sides, the outer surface of each end cover (2) is provided with a dovetail annular groove (201), a balancing block (8) is provided in the dovetail annular groove (201), and the balancing block (8) can slide and be fixed along the dovetail annular groove (201). The solution provides a compact structure, a small volume and light weight, can reduce the processing costs, and improve the energy efficiency of a motor.
Patent WO-2021114903-A1 (WO)
Title: 数据处理方法、装置、计算机设备和存储介质
Inventor: LIU DAOFU
IPC: G06N20/00
Filed: 2020-10-27
Abstract: 一种数据处理方法、装置、计算机设备和存储介质。所述方法包括：将第一数据按照预置拆分方式进行拆分，得到多个第二数据（S21）；针对任一所述第二数据，将该第二数据与权值执行winograd卷积操作，得到多个第一卷积结果（S22）；将所述多个第一卷积结果按照预置合并方式进行合并，得到所述第一数据与所述权值的空洞卷积结果，其中，所述预置合并方式为所述预置拆分方式的逆过程（S23）。通过以上方法，可以提高相关产品在进行神经网络模型的运算时的运算效率。
Patent WO-2021139335-A1 (WO)
Inventor: Tian Yukai
IPC: G06N3/04
Filed: 2020-10-29
Abstract: 一种物理机销售数据预测方法、装置、计算机设备及存储介质，涉及人工智能技术领域，包括：获取预设时段内的用户行为数据以及销售数据；对预设时段的用户行为数据以及销售数据进行预处理；获取各时间区间的用户行为数据向量序列以及销售数据向量序列；对预构建的编码解码模型进行训练；若接收到待测时间区间，根据训练后的所述编码解码模型对所述待测时间区间的物理机的销售数据进行预测并输出预测结果。
Patent WO-2021109764-A1 (WO)
Title: Image or video generation method and apparatus, computing device and computer-readable medium
Inventor: JI DEWEI
IPC: H04N13/275
Filed: 2020-10-29
Abstract: An image or video generation method and apparatus, a computer device and a computer-readable medium. The method comprises: acquiring a background image, and determining a target position in the background image (S11); acquiring a 3D model to be used (S12); acquiring facial expression and/or body movement information of a photographed object (S13); and according to the facial expression and/or body movement information of the photographed object, the 3D model to be used, the background image and the target position, generating an image or a video of a target object, corresponding to the photographed object, at the target position in the background image (S14).
Patent WO-2022011887-A1 (WO)
Title: Minimally invasive surgery assistance device
Inventor: PENG GUOHUI
IPC: A61B17/00
Filed: 2020-11-02
Abstract: A minimally invasive surgery assistance device, comprising a handle (03), a control portion (02), and a releasable grasper portion (01). The grasper portion (01) comprises two grasper arms (0101) that can move with respect to each other, and the grasper portion (01) further comprises a snap-fitting block (0107); the control portion (02) is further provided with a control core rod (0202), a sliding sleeve (0206), and steel beads (0207); the control core rod (0202), the sliding sleeve (0206), and the steel beads (0207) together with the snap-fitting block (0107) constitute a snap-fitting mechanism to achieve the connection and separation of the grasper portion (01) and the control portion (02). According to the minimally invasive surgery assistance device, the number of incisions is reduced, surgical operation is facilitated, surgical difficulty is reduced, risk of infection is reduced, surgical efficiency is improved, and less pain is caused to the patient.
Patent WO-2022077631-A1 (WO)
Title: Appareil multifonctionnel de test de propriétés de plastiques
Inventor: LI PING
IPC: F16F15/067
Filed: 2020-11-04
Abstract: Un appareil multifonctionnel de test de propriétés de plastiques comprend une première base (1). Un dispositif de limitation de position et de fixation est disposé sur la première base (1), et comprend une première plaque de fixation (3). Des trous de limitation de position (18) sont ménagés sur la première base (1). Une première plaque de maintien (2) est disposée au-dessus des trous de limitation de position (18). Une seconde plaque de maintien (4) est disposée à l'opposé de la première plaque de maintien (2). Une seconde plaque de fixation (5) est disposée sur le côté droit de la seconde plaque de maintien (4). Un dispositif d'alimentation est disposé sur un côté de la seconde plaque de fixation (5) situé à l'opposé de la seconde plaque de maintien (4). Un dispositif de test est disposé sur le côté droit du dispositif de limitation de position et de fixation. Un premier dispositif de réduction de vibrations est disposé au-dessous de la première base (1), et comprend un récipient de réduction de vibrations (19). Un second dispositif de réduction de vibrations est disposé au-dessous du récipient de réduction de vibrations. Le dispositif de limitation de position et de fixation est utilisé pour maintenir fermement une matière plastique, le dispositif de test est utilisé pour tester les propriétés physiques principales de la matière plastique, et les dispositifs de réduction de vibrations fournissent une protection à l'appareil. L'appareil présente une structure simple, est facile à utiliser, présente une bonne applicabilité et peut être utilisé pour tester des matières plastiques de différentes tailles.
Patent WO-2021089047-A1 (WO)
Title: Bogie assembly and rail vehicle
Inventor: YANG YI
IPC: B61C9/50
Filed: 2020-11-09
Abstract: A bogie assembly (100) and a rail vehicle (200). The bogie assembly (100) comprises a frame (1), a suspension device (2), a lateral stop mounting base (3), a lateral stop (4), and a limit plate (5). The suspension device (2) is connected between the frame (1) and a vehicle body (210); the lateral stop mounting base (3) is connected to the frame (1); the lateral stop (4) is connected to the suspension device (2) and is located between the suspension device (2) and the frame (1); the lateral stop (4) is in conjunction with the lateral stop mounting base (3) in the width direction of the rail vehicle (200); the limit plate (5) is connected to the suspension device (2) and is located below the lateral stop mounting base (3); and the limit plate (5) is in conjunction with the lateral stop mounting base (3) in the height direction of the rail vehicle (200). The bogie assembly can achieve the functions of limiting the lateral and longitudinal displacement of the vehicle body, protecting the suspension device, and lifting the entire rail vehicle by only providing the lateral stop mounting base, lateral stop, and limit plate, so that the structure of the entire bogie assembly is simplified, and the weight and cost are reduced.
Patent WO-2022088276-A1 (WO)
Inventor: CHEN KANG
IPC: H05K3/42
Filed: 2020-11-16
Abstract: 本申请提供了一种柔性电路板的制作方法及柔性电路板，该柔性电路板的制作方法，包括以下步骤：提供内层铜箔，内层铜箔包括中间的线路部及位于线路部边沿的操作部；提供外层铜箔，外层铜箔的尺寸与线路部的尺寸相匹配；提供绝缘层，将外层铜箔与线路部通过绝缘层连接，以形成结合板，在制备过程中，省去外层铜箔的操作部，采用内层铜箔的操作部进行定位及步骤操作，可节省外层铜箔中操作部的铜箔消耗，以节省铜箔的材料成本，进而降低柔性电路板产品的成本，进而提高柔性电路板产品的市场竞争力，且可避免操作部铜箔废料的浪费，以节省铜箔资源。
Patent WO-2022104627-A1 (WO)
Inventor: CHEN LEI
IPC: H01L51/50
Filed: 2020-11-19
Abstract: An organic light-emitting diode and a display panel. The organic light-emitting diode comprises: a first electrode (10), a second electrode (20), a light-emitting layer (14), a hole blocking layer (15), and an electron transport layer (16). The first electrode (10) and the second electrode (20) are arranged opposite to each other. The light-emitting layer (14) is located between the first electrode (10) and the second electrode (20). The hole blocking layer (15) is located between the light-emitting layer (14) and the second electrode (20). The electron transport layer (16) is located between the hole blocking layer (15) and the second electrode (20). The energy level difference between the HOMO energy level of the hole blocking layer (15) and the HOMO energy level of the light-emitting layer (14) is greater than or equal to 0.1 eV, and the energy level difference between the HOMO energy level of the electron transport layer (16) and the HOMO energy level of the hole blocking layer (15) is greater than or equal to 0.1 eV. Therefore, the hole blocking layer (15) and the electron transport layer (16) of the organic light-emitting diode can effectively block the transport of holes from the light-emitting layer (14) to a side of the second electrode (20), and advantageously confine the holes in the light-emitting layer (14), so that the number of electrons and the number of holes in the light-emitting layer (14) can be increased, and more electrons and holes are thus compounded in the light-emitting layer, thereby improving the light-emitting efficiency of the organic light-emitting diode.
Patent WO-2021104252-A1 (WO)
Title: 单细胞全基因组扩增试剂盒及其应用
Inventor: XU JIAN
IPC: C12Q1/68
Filed: 2020-11-24
Abstract: 涉及一种基因组扩增方法，试剂盒及其应用。公开了一种单细胞全基因组扩增的方法，包括以下步骤：a.将待扩增的单细胞样本重悬于油相中；b.将上述a步骤获得的重悬于油相的细胞进行裂解；c.上述b步骤获得的样本中，提供DNA聚合酶，引物，及其他扩增反应必需的试剂进行扩增反应。还公开了一种扩增试剂盒以及上述扩增方法和扩增试剂盒的应用。公开的扩增方法和试剂盒可以降低扩增过程中造成的偏差，具有高效稳定扩增效果，能够提高单细胞扩增的基因组覆盖度。
Patent WO-2021109986-A1 (WO)
Inventor: LV JIANFU
IPC: C04B111/74
Filed: 2020-12-01
Abstract: 一种诱导海洋固着生物附着的水泥砂浆和防波堤生态化技术，尤其涉及一种诱导固着生物附着砂浆及制备方法、服役防波堤修复方法。诱导固着生物附着砂浆浇筑在防坡堤水下区域，可快速诱导固着生物附着、变态及促进长期生长，实现防坡堤水下区生态修复，同时可应用于潮差区钢筋混凝土结构的防腐。
Patent WO-2021121098-A1 (WO)
Inventor: GONG XIAOCHENG
IPC: G06T17/00
Filed: 2020-12-09
Abstract: A three-dimensional model application method and system for the nuclear power engineering modular construction. The three-dimensional model application method comprises: establishing several nuclear power plant modular three-dimensional models; extracting each technical document from each of the nuclear power plant modular three-dimensional models, and generating purchasing, construction, and debugging information of each nuclear power plant modular three-dimensional model according to the technical document; performing lightweight construction on the several nuclear power plant modular three-dimensional models and generating several lightweight three-dimensional module models; and establishing the correspondence between the several lightweight three-dimensional module models and the purchasing, construction, and debugging information. By using the three-dimensional module models as the core, the method realizes the nuclear power engineering project service process monitoring and management, and refined and dynamic management of the project progress and material management.
Patent WO-2021121133-A1 (WO)
Title: 基于区块链的交易平台系统方法、终端及存储介质
Inventor: Liang Weidao
IPC: G06Q20/38
Filed: 2020-12-10
Abstract: 本申请公开了一种基于区块链的交易平台系统方法，包括以下步骤：交易平台在获取到交易信息后，确定所述交易信息对应的电子合同，其中，所述电子合同基于智能合约功能签订；根据所述电子合同确定区块链各个交易终端，其中，所述各个交易终端进行交易办理及信息管理；将所述交易信息同步更新所述区块链各个交易终端对应的交易账本。本申请还公开了一种终端及计算机可读存储介质。本申请基于构建基于区块链的交易平台，将交易的办理以及交易过程中的交易信息进行数字化、平台化管理，并将所述交易信息存储在相关交易终端对应的交易账本中，实现了合同内容的安全真实有效，提高了系统的可靠性和安全性。
Patent WO-2021135968-A1 (WO)
Inventor: JIANG YOUSHAN
IPC: G02B6/42
Filed: 2020-12-17
Abstract: 一种用于5G中传的高速收发模块，收发模块包括用于接收信号的接收光路和用于发送信号的发射光路；接收光路和发射光路共用收发模块的收发端口(1)；收发端口(1)内设准直器使进入收发端口(1)的光准直成为平行光；收发模块发射端(2)设有用于发送信号的激光芯片(21)，接收端(3)设有用于接收信号的光电接收芯片(31)，激光芯片(21)发送的光信号先经发射光路始端的透镜部(5)转为平行光后，再经发射光路到达收发端口(1)出射；收发端口(1)接收的光信号则在被准直为平行光后，经接收光路到达光电接收芯片(31)处；能用小角度滤光片实现波长间隔窄的信号有效分开或者是合成，通过较短的光程，获得窄波长间隔的两路光信号的有效合波和分波，同时获得较高的耦合效率。
Patent WO-2022126657-A1 (WO)
Inventor: ZHU SHAN
IPC: H02J7/00
Filed: 2020-12-18
Abstract: 一种电池的充电方法，包括：以第一充电电流I1对所述电池恒流充电至第一电压U1，并以所述第一电压U1对所述电池恒压充电至第一充电截止电流I'1（S1）；以所述第一充电电流I1对所述电池恒流充电至第二电压U2，其中，U2为所述电池的充电限制电压，U2＞U1（S2）；及以第二充电电流I2对所述电池恒流充电至第三电压U3，并以所述第三电压U3对所述电池恒压充电至第二充电截止电流I'2，其中，U3＞U2，I2＜I1，且I'1≤I'2（S3）。一种电子装置和介质，可以缩短电池在高电压下的时间，改善电池在循环充放电过程中的容量衰减。
Patent WO-2022141040-A1 (WO)
Inventor: ZHANG NING
IPC: G05D1/00
Filed: 2020-12-29
Abstract: Various embodiments of the present disclosure provide a method performed by a management system. The method comprises instructing at least one robot, which may be a drone, a land robot or an underwater robot, to patrol a path for event detection based on a path database maintained according to people's activities within a predefined area and obtaining data from the at least one robot. The method also comprises detecting an event based on the data obtained from the at least one robot and reporting the event to e.g. any of a person, a police station, rescue people and a server.
Patent WO-2021212923-A1 (WO)
Inventor: LU JIANMEI
IPC: B01J37/10
Filed: 2020-12-31
Abstract: Disclosed are a P-N heterojunction composite material supported on the surface of nickel foam, a preparation method therefor and the use thereof. The composite material is a supported catalyst which can be used to remove pollutants in water bodies by means of photoelectrocatalysis. The method comprises firstly modifying, by means of a hydrothermal method, a layered nickel-iron bimetallic hydroxide nanosheet on the surface of nickel foam which is clean; and then modifying cobalt oxide nanowires on the surface of the layered nickel-iron bimetallic hydroxide nanosheet by means of a mixed solvent-thermal method, so as to obtain a P-N heterojunction catalyst composite material supported on the surface of nickel foam (Ni foam@NiFe-LDH/Co 3 O 4 ). The composite material has a good response to visible light, which can greatly enhance the absorption and the utilization of light by the material, and is further beneficial to enhancing the performance of the catalyst.
Patent WO-2021143552-A1 (WO)
Title: Projector
Inventor: LIU XIAN
IPC: H02G3/32
Filed: 2021-01-04
Abstract: A projector comprises a secure processing block, a lens, and a projector housing. The secure processing block is connected to the lens, and is accommodated in an internal space of the projector housing. The secure processing block comprises a housing upper cover and a housing side cover (2). A through-hole (21) is provided at a connection location between the housing side cover (2) and the housing upper cover, and a cable protection assembly is disposed at the through-hole (21). The cable protection assembly comprises: a cable holder (11) connected to the housing side cover (2), and used to support a cable (15) passing through the through-hole (21); and a cable pressing cover (12) comprising a cable pressing plate (122) and a blocking plate (121) connected to each other. The cable pressing plate (122) is connected to the cable holder (11) to press and fix the cable (15). An end of the blocking plate (121) is connected to the cable pressing plate (122), and another end thereof is connected to the housing upper cover to block the through-hole (21).
Patent WO-2021143634-A1 (WO)
Inventor: FAN YIBO
IPC: H04N19/91
Filed: 2021-01-11
Abstract: La présente demande divulgue un codeur arithmétique, un procédé de mise en œuvre d'un codage arithmétique, et un procédé de codage d'image, dans lesquels de multiples caractères codés peuvent être traités en parallèle dans un seul cycle d'horloge, ce qui permet d'améliorer le débit et d'accélérer le traitement.
Patent WO-2021159910-A1 (WO)
Title: Automobile seat adjustment switch based on 3d touch control
Inventor: HUANG HAO
IPC: H03K17/96
Filed: 2021-01-14
Abstract: Disclosed is an automobile seat adjustment switch based on 3D touch control. The switch comprises an insulation cover plate (1), touch sensors (2), a base (3), a feedback module (4), a circuit board (5) and a module assembly cover plate (6). The insulation cover plate (1) is provided with several control touch areas (11) of convex or concave structures; the several touch sensors (2), which are mutually independent, are attached to the several control touch areas (11) of the insulation cover plate (1) to form a 3D touch-control assembly; and the several touch sensors (2) are all connected to the circuit board (5). The circuit board (5) is assembled on the module assembly cover plate (6), the module assembly cover plate (6) and the feedback module (4) are both assembled on one surface of the base (3), the feedback module (4) is connected to the circuit board (5), and the other surface of the base (3) is assembled on the insulation cover plate (1).
Patent WO-2022151249-A1 (WO)
Inventor: YANG WEIDONG
IPC: H04W72/02
Filed: 2021-01-14
Abstract: Certains aspects de la présente demande concernent des appareils et des procédés permettant de mettre en œuvre des techniques pour un équipement utilisateur (UE) afin de transmettre un canal partagé de liaison montante physique (PUSCH) à autorisation configurée (CG) comprenant des informations de commande de liaison montante (UCI) sans transmettre un canal de commande de liaison montante physique (PUCCH). L'UE détermine un premier ensemble de PUSCH CG d'après une configuration reçue de la station de base. Chaque PUSCH CG du premier ensemble de PUSCH chevauche le PUCCH et est configuré pour transmettre les données de l'UE à la station de base. L'UE détermine également un second ensemble de PUSCH CG en excluant un troisième ensemble de PUSCH CG du premier ensemble de PUSCH CG, puis sélectionne un PUSCH CG à partir du second ensemble de PUSCH afin de transporter les UCI contenues dans le PUCCH. L'UE transmet également le PUSCH sélectionné comprenant les UCI sans transmettre le PUCCH.
Patent WO-2022151377-A1 (WO)
Inventor: CUI JIE
IPC: H04W36/00
Filed: 2021-01-15
Abstract: L'invention se rapporte à un procédé pour un équipement d'utilisateur (UE). Le procédé comprend l'obtention d'un délai de traitement pour un transfert intercellulaire (HO) avec une cellule secondaire primaire (PSCell) et la réalisation d'une procédure du HO avec la PSCell sur la base du délai de traitement obtenu pour le HO avec la PSCell.
Patent WO-2021218277-A1 (WO)
Inventor: YUAN XIAOFANG
IPC: B60W50/02
Filed: 2021-02-05
Abstract: An analysis and test method for fault diagnosis of a vehicle control unit of an electric vehicle, comprising the steps of: S1, establishing a set of fault diagnosis and analysis matrices of a vehicle control unit according to fault diagnosis data of the vehicle control unit under different working conditions; S2, obtaining fault feature data corresponding to each fault diagnosis and analysis matrix; S3, separately establishing a fault sub-space for each fault item in preset fault items; S4, establishing, according to a fault analysis tree, a knowledge base of correspondences between the fault items and valid fault feature data; S5, acquiring fault detection data of a vehicle control unit to be analyzed; and S6, obtaining, by means of a table look-up method, fault information corresponding to the fault data in the knowledge base. During traveling of a vehicle, a fault can be found quickly by reversely looking up a table by means of a fault tree in a knowledge base, so as to provide safety guarantee for a vehicle control unit.
Patent WO-2022183455-A1 (WO)
Title: 一种随机接入资源确定方法、电子设备及存储介质
Inventor: HE CHUANFENG
IPC: H04W72/04
Filed: 2021-03-04
Abstract: 本申请公开了一种随机接入资源确定方法，包括：降低能力终端设备基于第一公共物理上行控制信道资源的频域位置和频率偏移，确定第二公共物理上行控制信道资源；所述第二公共物理上行控制信道资源为所述降低能力终端设备对应的带宽内用于发送混合自动重传请求反馈信息的资源，所述第一公共物理上行控制信道资源为初始上行带宽部分对应的用于发送混合自动重传请求反馈信息的资源。本申请还公开了另一种随机接入资源确定方法、电子设备及存储介质。
Patent WO-2021232891-A1 (WO)
Inventor: CAO LIQIANG
IPC: H01L23/48
Filed: 2021-03-05
Abstract: 本申请公开了一种晶圆级芯片结构、多芯片堆叠互连结构及制备方法，其中晶圆级芯片结构，包括：贯穿晶圆的硅通孔，其第一表面包括：有源区、多层再分布线层以及凸点，其第二表面包括：绝缘介质层，以及与硅通孔相连接的锥台过渡结构。本申请实施例在晶圆背面TSV露头区域与UBM之间引入锥台型阻抗过渡结构，使TSV与UBM之间实现阻抗匹配，改善了因阻抗突变引起的信号畸变问题，和传统方案相比，为了实现本方案的锥台型过渡结构，并未增加光罩数量，而仅在原有工艺基础上，增加一步光刻工艺以及一步反应离子刻蚀工艺，工艺流程并不复杂。
Patent WO-2021180038-A1 (WO)
Inventor: LIU JIN
IPC: H05K7/20
Filed: 2021-03-08
Abstract: A heat dissipation tooth piece and a preparation method therefor, a heat dissipation apparatus and an electronic device. The heat dissipation tooth piece comprises a first heat dissipation assembly (101) and a second heat dissipation assembly (102) arranged opposite to each other, wherein the first heat dissipation assembly (101) comprises a first heat dissipation part (111), and the second heat dissipation assembly (102) comprises a second heat dissipation part (121); the first heat dissipation part (111) and the second heat dissipation part (121) are arranged opposite to each other and define a first pipeline (11); the first heat dissipation assembly (101) further comprises a first connection part (112), and the second heat dissipation assembly (102) further comprises a second connection part (122); and the first connection part (112) and the second connection part (122) are connected and define a second pipeline (12), and the second pipeline (12) communicates with the first pipeline (11).
Patent WO-2022188014-A1 (WO)
Inventor: SHU RAI
IPC: H04N9/77
Filed: 2021-03-09
Abstract: 一种彩度调节方法，包括：(S10)将输入颜色数据转换为预设颜色空间下的预设颜色数据；(S20)对预设颜色数据进行处理以确定彩度统计图中像素数量为峰值的最大彩度和确定最大彩度对应的像素中的最大明度；(S30)根据最大彩度、最大明度以及彩度映射曲线得到彩度调整系数；(S40)利用彩度调整系数对输入颜色数据进行调整。还公开了一种彩度调节装置(110)、电子设备(100)和可读存储介质。
Patent WO-2021213100-A1 (WO)
Title: 投影显示方法及投影设备
Inventor: CUI RONGRONG
IPC: H04N9/31
Filed: 2021-03-19
Abstract: 本申请公开了一种投影显示方法及投影设备，属于投影显示领域。所述方法包括: 获取多帧子图像; 根据每帧子图像中像素的基色色阶值控制光阀进行翻转，以将多帧子图像依次投影显示至投影屏幕; 在投影显示每帧子图像的过程中，将对应子图像的振镜电流控制信号传输至振镜驱动组件; 不同帧子图像对应的振镜电流控制信号不同; 并且，在投影显示多帧子图像的过程中，振镜驱动电流的电流方向交替变化。
Patent WO-2021253908-A1 (WO)
Title: Centralized power supply-based load drive method, and system
Inventor: HONG HUILUN
IPC: H05B45/325
Filed: 2021-03-25
Abstract: A centralized power supply-based load drive method and system. The load drive system comprises a power adapter (10), a load unit (11), and a PWM unit. The power adapter (10) comprises an AC input interface, a conversion control board, and a DC output interface. The load unit (11) is connected to the DC output interface of the power adapter (10) via a power connection cable. The PWM unit comprises a first PWM module (12) and a second PWM module (13). The first PWM module (12) is connected in parallel to an end of the power connection cable connected to the power adapter (10). The second PWM module (13) is connected in parallel to the other end of the power connection cable connected to the load unit (11). The first PWM module (12) is connected to the power adapter (10). The second PWM module (13) is connected to the first PWM module (12). The invention enables, by means of interaction between the first PWM module (12) and the second PWM module (13), accurate calculation of a power required for operations of the load unit (11) currently connected to a power grid, such that the power adapter (10) is controlled to output a total current having a corresponding magnitude, thereby achieving flexible control of the overall power of the power grid.