baber/WOPTO huggingface dataset:
Patent WO-2019232987-A1 (WO)
Title: Voltage output system and liquid crystal display device
Inventor: CHEN SHUAI
IPC: G09G3/36
Filed: 2018-09-26
Abstract: A voltage output system and a liquid crystal display device. The voltage output system is provided with a variable resistor (50). An input voltage transmitted by a level conversion unit (60) is accessed by one end of the variable resistor (50) by means of a contact (21, 31 and 23) and a wire (41 and 43), and the other end of the variable resistor (50) is electrically connected to a liquid crystal panel (1) by means of a contact (22, 32 and 24) and a wire (42 and 44) so as to output an output voltage. After the voltage output system is disposed on an assembly circuit board (3) of the liquid crystal display device, it is possible to make the output voltage of the voltage output system a preset required voltage by means of adjusting the resistance of the variable resistor (50) during the testing of the liquid crystal display device. The system may conveniently and quickly provide output voltages having different voltage values for the liquid crystal panel (1), thereby effectively simplifying the testing operations for the liquid crystal display device and reducing the product cost.
Patent WO-2019062792-A1 (WO)
Title: Method for switching bandwidth parts, terminal device, and computer storage medium
Inventor: TANG HAI
IPC: H04W52/02
Filed: 2018-09-27
Abstract: A method for switching bandwidth parts, a terminal device, and a computer storage medium, the method comprising: acquiring a timer (101); on the basis of the timer, determining whether to switch from a currently activated first bandwidth part (BWP) to a second BWP (102), the first BWP and the second BWP being different.
Patent WO-2019114376-A1 (WO)
Inventor: XU MIAORAN
IPC: G06K17/00
Filed: 2018-09-29
Abstract: Provided in embodiments of the present application are a document verification method, a device, an electronic device, and storage medium. The method comprises: capturing a document image of a current document via a first camera; performing character recognition with respect to the document image to produce first document data; acquiring second document data of the document via a document card reader; and verifying the authenticity of the document on the basis of the first document data and of the second document data.
Patent WO-2019095905-A1 (WO)
Inventor: XI WEI
IPC: H04L27/26
Filed: 2018-10-11
Abstract: L'invention concerne un procédé de génération de symbole de multiplexage à répartition orthogonale de la fréquence ainsi qu'un dispositif de communication. Le procédé consiste à : générer une séquence cible d'après une séquence de bits de signal de référence de suivi de phase, la séquence cible comprenant : une séquence de symboles qui insère la séquence de bits de signal de référence de suivi de phase dans une séquence de bits de données et module celle-ci, une séquence de symboles qui insère la séquence de symboles modulés de la séquence de bits de signal de référence de suivi de phase dans une séquence de symboles modulés de la séquence de bits de données et effectue une rotation de phase sur celle-ci, ou une séquence de symboles obtenue en insérant une séquence de symboles de signal de référence de suivi de phase dans une séquence de symboles de données, la séquence de symboles de signal de référence de suivi de phase étant une séquence de symboles qui module la séquence de bits de signal de référence de suivi de phase en fonction des index de bits de signal de référence de suivi de phase, et la séquence de symboles de données étant une séquence de symboles qui module la séquence de bits de données en fonction des index de bits de données ; et générer un symbole de multiplexage par répartition orthogonale de la fréquence d'après la séquence cible.
Patent WO-2019095914-A1 (WO)
Title: 弹幕展示方法及装置
Inventor: WU YI
IPC: H04N21/431
Filed: 2018-10-16
Abstract: 本公开涉及弹幕展示方法及装置。该方法包括：在弹幕开启的情况下，从弹幕中确定关键信息；突出展示所述关键信息。本公开通过在弹幕开启的情况下，从弹幕中确定关键信息，并突出展示关键信息，由此有助于用户在弹幕播放过程中快速发现其感兴趣的弹幕内容，避免用户错过感兴趣的弹幕内容。
Patent WO-2019076312-A1 (WO)
Title: Plastic faucet body and molding tool thereof
Inventor: ZHU CHUANBAO
IPC: B29C33/76
Filed: 2018-10-17
Abstract: A plastic faucet body and a molding tool thereof. The plastic faucet body comprises a left water inlet pipe (1) and a right water inlet pipe (2), wherein a connecting cross-beam (3) is disposed between the left water inlet pipe (1) and the right water inlet pipe (2), the left water inlet pipe (1) and the right water inlet pipe (2) are embedded with a threaded copper pipe (4), respectively, the copper pipes (4) are formed integrally with the plastic faucet body by means of a single stage process and are in communication with the corresponding left water inlet pipe (1) and the right water inlet pipe (2), respectively.
Patent WO-2019076378-A1 (WO)
Title: Image sensor, photographing method and mobile terminal
Inventor: WANG DANMEI
IPC: H04N5/225
Filed: 2018-10-19
Abstract: Provided are an image sensor, a photographing method and a mobile terminal. The image sensor is provided with a photosensitive unit area where photosensitive units are arranged, and the photosensitive unit area forms into a cruciform structure.
Patent WO-2019223229-A1 (WO)
Title: System and method for upgrading cpld by means of bios
Inventor: QIU XINGPING
IPC: G06F9/445
Filed: 2018-10-26
Abstract: Provided by the present invention is a system and method for upgrading a CPLD by means of a BIOS. The system comprises: a BIOS hardware module, a PCH, a CPU, a CPLD hardware module, a BIOS hardware configuration module, a BIOS upgrade management module and a BIOS FW generation module. The method comprises: reserving space for a CPLD FW in a BIOS hardware module; generating a BIOS FW; flashing the BIOS hardware module; detecting whether the CPLD FW is included in the BIOS FW; if not, ending the process; if so, activating a CPLD parameter and loading the CPLD FW into a CPLD FW storage unit; allowing the CPLD FW to allocate a memory and obtaining the CPLD FW and storing the CPLD FW into the memory; allowing a GPIO interface of a PCH to simulate a JATG protocol and generating a JATG analog channel; burning the CPLD FW to the CPLD hardware module by means of the JTAG analog channel; and ending the process.
Patent WO-2020082339-A1 (WO)
Inventor: CHEN YINGYUE
IPC: C01B32/19
Filed: 2018-10-26
Abstract: A graphene coating processing device, comprising a rotation module (1), an adhesive-spraying module (2), a material-spraying module (3), and a material-adhering module (4). The rotation module (1), by means of a rotation shaft, drives a workpiece (5) to rotate. The adhesive-spraying module (2) is assembled to the left side of the workpiece (5), and by means of a high-pressure airflow, sprays an atomized adhesive material from an adhesive-spraying nozzle (21) onto a surface of the workpiece (5). In the material-spraying module (3), a graphene material is sprayed onto the surface of a lower portion of the workpiece (5) by means of a material-spraying nozzle (31) and using a high-pressure airflow. The material-adhering module (4) comprises an output adhesive roll (41), a waste adhesive roll (42), a fixed rotating wheel (43), and an adjustable rotating wheel (44). Adhesive tape on the output adhesive roll (41) winds around the fixed rotating wheel (43) and the adjustable rotating wheel (44), and winds onto the waste adhesive roll (42). An upper portion of the workpiece (5) adheres to an adhesive surface of the adhesive tape. In the present device, a graphene coating can be rapidly produced on the surface of the workpiece (5), thereby improving production efficiency when graphene is used, and lowering production costs in graphene coating.
Patent WO-2019161676-A1 (WO)
Inventor: ZHENG CAN
IPC: G11C19/28
Filed: 2018-10-30
Abstract: 本公开涉及一种移位寄存器、栅极驱动电路以及显示设备。移位寄存器包括输入电路、上拉电路、下拉电路、脉宽控制电路和输出节点。输入电路包括接收触发信号的触发信号接收端，并被配置为在一第一控制信号的控制下，基于触发信号来控制下拉电路向输出节点输出低电平信号。脉宽控制电路配置为在该第一控制信号和一第二控制信号的控制下，控制上拉电路向输出节点输出脉宽随触发信号的脉宽而变化的高电平信号，其中当所述上拉电路被控制为输出高电平信号时，所述下拉电路被控制为停止输出低电平信号；并且，当所述下拉电路被控制为输出低电平信号时，所述上拉电路被控制为停止输出高电平信号。由于本公开的移位寄存器结构更简单，使得单级栅极驱动电路GOA的版图面积更小，有利于窄边框显示。
Patent WO-2020000841-A1 (WO)
Inventor: CHENG JIAHE
IPC: G02F1/13357
Filed: 2018-11-02
Abstract: La présente invention concerne un module de rétroéclairage et un panneau d'affichage. Le module de rétroéclairage comprend : une plaque de guidage de lumière et un rétroéclairage. La plaque de guidage de lumière comprend : deux blocs de guidage de lumière et un séparateur disposé entre des surfaces adjacentes des deux blocs de guidage de lumière adjacents.
Patent WO-2020062480-A1 (WO)
Title: 显示装置及显示设备
Inventor: HUANG SHISHUAI
IPC: G02F1/1345
Filed: 2018-11-14
Abstract: 一种显示装置，包括第一基板（1）与第二基板（2）、以及框胶（3），第一基板（1）的背面上设有金属走线结构（4），金属走线结构（4）上设有镂空结构（41），金属走线结构（4）呈曲面状设置。
Patent WO-2020103036-A1 (WO)
Inventor: WANG XUEFENG
IPC: G09G3/20
Filed: 2018-11-21
Abstract: The present application discloses method for real-time processing image data based on a rendering engine. The method includes sampling a first set of data in a first pixel arrangement to be displayed as an image in a display screen with pixels in a second pixel arrangement. The method further includes creating a first model mapped with the first set of data to generate a second set of data and a second model mapped with the first set of data to generate a third set of data. Additionally, the method further includes rendering the second set of data using a first shader to output a fourth set of data and rendering the third set of data using a second shader to output a fifth set of data. Furthermore, the method includes superimposing the fourth set of data over the fifth set of data to display a sixth set of data.
Patent WO-2019128627-A1 (WO)
Inventor: LI YANG
IPC: H04N5/225
Filed: 2018-11-30
Abstract: A multi-lens camera. The multi-lens camera comprises a main housing assembly (400), lenses (300), a lens adjustment means, and a transparent cover (500). The transparent cover (500) is mounted on the main housing assembly (400); the lens adjustment means is mounted in the spaced formed by the main housing assembly (400) and the transparent cover (500); the transparent cover (500) comprises a planar portion (510) and a curved portion (520) surrounding the planar portion (510); the lenses (300) are located in the space covered by the curved portion (520); the lens adjustment means comprises a fixed disk (100) and at least two lens supports (200); the lens supports (200) comprise a first support (210) and a second support (220) disposed on the first support (210); the first support (210) is movably disposed on the fixed disk (100), and is capable of moving along the circumferential direction of the fixed disk (100); the lenses (300) rotatably match the second support (220), such that the lenses (300) rotate around axes thereof. The multi-lens camera solves the problems of large weight and high costs caused by a mounting disk being locked by using magnets.
Patent WO-2020118561-A1 (WO)
Title: 一种电池堆的充放电方法、装置、介质及系统
Inventor: LIU LING
IPC: H02J7/00
Filed: 2018-12-12
Abstract: 一种电池堆的充放电方法、装置、介质及系统，该方法包括：当目标电池堆达到热备用状态时，实时检测目标电池堆在充电的过程中目标电池簇的第一运行参数（S11）；判断第一运行参数是否满足第一预设条件（S12）；若是，则对目标电池簇充电，直至目标电池堆充电完毕（S13）；实时检测目标电池簇在放电过程中的第二运行参数，并判断第二运行参数是否满足第二预设条件（S14）；若是，则对目标电池簇放电，直至目标电池堆放电完毕（S15）。上述方法解决了目标电池堆的滥用问题，由此可以保证目标电池堆在充放电过程中的安全性及可靠性。
Patent WO-2019192214-A1 (WO)
Title: Three-dimensional silver nanocomposite and manufacturing method thereof
Inventor: HUANG DI
IPC: B82Y30/00
Filed: 2018-12-21
Abstract: A manufacturing method of a three-dimensional silver nanocomposite, employing a physical method to manufacture a three-dimensional silver nanocomposite from nano silver, and specifically comprising: performing centrifugation, ultrasonic dispersion and grinding on a pre-processed nano silver solution. Further provided is a three-dimensional silver nanocomposite manufactured by the above manufacturing method. The manufacturing method of a three-dimensional silver nanocomposite has high yields and low costs, is eco-friendly and highly efficient, and produces a three-dimensional silver nanocomposite having excellent electrical properties.
Patent WO-2020118760-A1 (WO)
Title: Composition de manipulation de réseau neuronal tertiaire et procédé de manipulation de réseau neuronal tertiaire d'animal
Inventor: JIA XIANGLIAN
IPC: A61K49/00
Filed: 2018-12-22
Abstract: La composition de manipulation de réseau neuronal tertiaire comprend un virus AAV-FLEX loxP-ChR2-eYFP, un AAV-flex FRT-hM4D(Gi) )-mCherry, et un virus CAV-FLEx loxP-FLP. La composition de manipulation de réseau neuronal tertiaire est basée sur la question de la manipulation d'un réseau neuronal tertiaire au moyen de l'optogénétique, de la pharmacogénétique, etc., et utilise le transport rétrograde du virus CAV après avoir été absorbé par des terminaisons nerveuses, les caractéristiques de transport antérograde du virus AAV, et un effet synergique des trois virus pour atteindre le but de manipuler simultanément des neurones tertiaires, à savoir A-B-C.
Patent WO-2020133122-A1 (WO)
Title: 一种箱体提升运输机构
Inventor: FENG QINGXING
IPC: B65G25/00
Filed: 2018-12-28
Abstract: 一种箱体提升运输机构，包括斜坡（1）、扶梯式升降机构（2）、扶梯挡板（3）、输送带底座（4），输送履带（5）、输送履带驱动电机（6）；斜坡（1）设置在扶梯式升降机构（2）底端；扶梯式升降机构（2）两侧设有扶梯挡板（3）；扶梯式升降机构（2）后端设有输送带底座（4）；输送履带（5）设置在输送带底座（4）上表面；输送履带（5）上表面与扶梯式升降机构（2）最高处处于相同水平面；输送履带驱动电机（6）设置在输送带底座（4）上，输送履带驱动电机（6）的转轴连接输送履带（5）的驱动轮。该机构结合了扶梯和输送履带的特点，实现箱体的安全提升和运输，不存在箱体坠落情况的发生。
Patent WO-2020087768-A1 (WO)
Inventor: LI SHIQING
IPC: F04B41/00
Filed: 2019-10-30
Abstract: 一种具备高低压功能的家用电器，包括高低压制压装置(1)，其由传动装置(4)、制压杆(2)、制压体(7)、制压壳体(6)、阀门组成，阀门包括吸压阀(11)和加压阀(15)。家用电器的高气压空间室或低气压空间室的设备上设置耐压壳体(39)、内置槽(36)、密封装置(80)和耐压内置门(35)。具备高低压功能的家用电器的高气压空间室或低气压空间室经高低压控制阀与高低压制压装置(1)经由管道一体形成或联接在一起。高低压制压装置(1)的吸压阀(11)或加压阀(15)经高低压控制阀和管道联接。具备高低压功能的家用电器耐压壳体的空间室制造低于大气环境气压的低气压空间室或高于大气环境气压的高气压空间室。
Patent WO-2019137305-A1 (WO)
Inventor: CHEN LI
IPC: H04W72/04
Filed: 2019-01-04
Abstract: 本公开提供一种收发信息的方法、终端设备及网络设备，其中，所述收发信息的方法包括：确定随机接入过程中终端设备的上行信道或者上下行信道的重复次数，在随机接入过程中采用所述重复次数发送上行信息，或者发送上行信息和接收下行信息。
Patent WO-2019144915-A1 (WO)
Inventor: FANG YUTAO
IPC: H01L29/778
Filed: 2019-01-24
Abstract: 一种通过生长p-i-n多量子阱异质结制备的具有高阻值的GaN基缓冲层的高电子迁移率场效应晶体管(HEMT)外延结构及其方法。利用AlN和GaN的自发极化强度之间存在较大的差异，通过生长组分渐变的Al xGa l-xN实现极化掺杂获得p和n型Al xGa l-xN层，并通过高温生长固定组分Al xGa l-xN层，从而获得p-i-n多量子阱异质结，在p-i-n异质结中由于内建电场的存在i层是完全耗尽区，从而获得具有低载流子浓度的高阻GaN基缓冲层，可以有效减小缓冲层漏电流，同时改善外延材料的晶体质量从而改善器件高压特性和减小器件的无用功耗，适合实际生产应用。
Patent WO-2020155077-A1 (WO)
Inventor: WANG PENG
IPC: H05K9/00
Filed: 2019-02-01
Abstract: 一种带有香氛的隔磁片及其制备方法和应用，所述隔磁片的制备原料按重量份数包括如下组分：软磁粉100重量份；高分子树脂10-50重量份；香精0.5-2.5重量份。所述隔磁片在具有隔磁导磁性能的同时带有香氛，可应用于日常生活中，可以使公交卡等卡片与手机一同携带，可将卡片放入手机壳中，方便携带应用，从而将应用于工业生产等领域的隔磁片转化为可以用作日用品或者装饰品的产品，极大地扩大了隔磁片的应用范围。
Patent WO-2019201050-A1 (WO)
Title: Method for preparing lithium iron phosphate/carbon composite material
Inventor: WEI WEIFENG
IPC: H01M4/36
Filed: 2019-03-20
Abstract: A method for preparing a nano lithium iron phosphate/carbon composite material coated with carbon on a surface, comprising: dissolving iron powder with phosphoric acid, dissolving an organic monomer in water, then mixing the obtained two solutions, and slowly adding an oxidizing agent for reaction; then, obtaining a polymer-coated nano-iron phosphate precursor after filtering, washing, and drying; and after uniform ball milling and mixing of the obtained polymer-coated nano-iron phosphate precursor and a lithium source, performing same for a certain time at a certain heat treatment temperature in a mixed atmosphere to obtain the nano lithium iron phosphate/carbon composite material.
Patent WO-2020087867-A1 (WO)
Inventor: LI LELE
IPC: A61P35/00
Filed: 2019-04-03
Abstract: 一种金属-核酸纳米颗粒，其是由金属离子与核酸通过配位作用结合形成的具有球形结构的纳米颗粒。其制备方法为将金属离子溶液加入到核酸溶液中，对混合物进行涡旋，加热，离心并水洗重悬，即得到所述金属-核酸纳米颗粒。该纳米颗粒可用于制备药物递送系统和生物检测试剂。
Patent WO-2020143151-A1 (WO)
Inventor: MEI DONGHAI
IPC: H01R13/717
Filed: 2019-05-21
Abstract: A light-emitting row-type connection line, comprising two connectors (1), a plurality of light-emitting lines (2), a plurality of connection lines (3), and a plurality of light-emitting sources (4) used for causing the plurality of light-emitting lines (2) to emit light; the connectors (1) are provided thereon with a plurality of rows of ports (11) that are equidistantly arranged and that are used for connecting the connection lines (3); a light-emitting portion (5) is mounted on the connectors (1), and the light-emitting portion (5) is provided thereon with light-emitting line grooves (51) the number of which is the same as that of the ports (11) in one row and the spacing of which is the same as that of the ports (11), the light-emitting line grooves (51) being used for connecting the light-emitting lines (2); and the plurality of light-emitting lines (2) are coated by a coating layer (6) to form a row-type light-emitting line row. In the present solution the plurality of light-emitting lines (2) are coated by means of the coating layer (6) into a row of lines, which solves the problems wherein conventional light-emitting connecting lines tend to cross and sorting is chaotic, reduces combing by using a regular line comb, lowers production costs, and leads to higher profits for businesses.
Patent WO-2020237476-A1 (WO)
Inventor: LIU HAITAO
IPC: B25B11/00
Filed: 2019-05-27
Abstract: 一种布线过程中导线端部的固定装置，安装在布线机械手的执行终端与中部为U型槽的线柱配合使用，该固定装置包括安装架及分别安装在安装架上的连接法兰、夹线组件、转移线扣组件，连接法兰的一端固定在安装架的顶部且连接法兰的另一端固定在布线机械手上。一种布线过程中导线端部的固定方法，利用夹线组件拾取指定导线的端部并打结，再利用转移线扣组件将打结的导线端部推送至线柱上，完成导线端部的固定。
Patent WO-2019228376-A1 (WO)
Title: Cylinder head of heavy oil engine, and aircraft engine
Inventor: SHI XIAODONG
IPC: F02B19/00
Filed: 2019-05-28
Abstract: Disclosed is a cylinder head (2) of a heavy oil engine, wherein a combustion chamber is formed by a combustion chamber face processed on the cylinder head, and a pre-combustion chamber (17) is further processed on the cylinder head; and the pre-combustion chamber is located at an ignition point of a spark plug, and is provided with an injection port in communication with the combustion chamber. Further disclosed is an aircraft engine. After fuel in the pre-combustion chamber of the device is ignited, same is injected from the injection port for further having impact on mixed fuel which has entered the combustion chamber, having the function of enabling gas to be fully mixed, and facilitating forming uniform combustible mixed gas. At the same time, the pre-combustion chamber can accelerate flame spread, improve combustion efficiency, improve the power of the engine, and reduce the risk of knocking, thus realizing energy-saving, environmental protection and a low cost of the engine after heavy oil is applied to the engine.
Patent WO-2019233333-A1 (WO)
Inventor: XU PING
IPC: G01M7/08
Filed: 2019-05-30
Abstract: 一种用于动车组车钩实验的启动保护装置，设于用于实验的两个台车之间，启动保护装置在实验装置启动阶段顶紧于两个台车之间并代替车钩受压，启动保护装置在启动阶段完成后从两个台车之间脱离。
Patent WO-2020038079-A1 (WO)
Title: Igbt and manufacturing method therefor
Inventor: WANG XUELIANG
IPC: H01L29/739
Filed: 2019-06-12
Abstract: An IGBT and a manufacturing method therefor, wherein a target region in the IGBT is doped with first ions; the target region comprises at least one of a P-type substrate (11), a P-type well region (13), and a P-type source region (14); and the diffusion coefficient of the first ions is greater than the diffusion coefficients of boron ions. A PN junction formed by means of the present invention is a gradual junction, thereby improving breakdown voltage, shortening turn-off time, and improving anti-latch capability.
Patent WO-2020001336-A1 (WO)
Title: 一种信息处理方法及装置
Inventor: XIN YANG
IPC: H04L12/24
Filed: 2019-06-18
Abstract: 本申请实施例提供一种信息处理方法及装置，涉及通信技术领域，用以提供可信度较高的网络侧期待的终端行为信息。该方案包括：数据分析网元获取多个终端的终端行为信息；所述数据分析网元根据所述终端行为信息确定网络侧期待的终端行为信息；所述数据分析网元向用户数据管理网元发送所述网络侧期待的终端行为信息。由于数据分析网元是属于运营商管理的网元，这样与现有技术中应用功能网元提供的第三方或者业务服务器期待的终端行为信息相比，网络侧期待的终端行为信息的可信度更高、更真实。
Patent WO-2020143207-A1 (WO)
Inventor: ZHANG CHUANXIN
IPC: H04W52/02
Filed: 2019-07-17
Abstract: Disclosed are a terminal management method and apparatus applied to the Internet of Things, and a storage medium, relating to the field of the Internet of Things, and used for solving the problems in the prior art of a large load and the excessively high power consumption of a base station caused by all terminals needing to perform signalling interaction with the base station. In the method, a network side determines a scheduling terminal; and the scheduling terminal sends a temporary identifier of the scheduling terminal and a received temporary identifier of a scheduled terminal to the network side, and if it is determined that the scheduling terminal and the scheduled terminal satisfy a pre-set condition for constructing a scheduling relationship, a scheduling relationship between the scheduling terminal and each scheduled terminal is constructed. A scheduling terminal performs resource management on a scheduled terminal according to a constructed scheduling relationship, so that the scheduled terminal only needs to perform signalling interaction with the scheduling terminal, and signalling interaction between the scheduled terminal and a base station is reduced, thereby reducing the load and the power consumption of the base station.
Patent WO-2020211200-A1 (WO)
Inventor: LU YANTAO
IPC: G02F1/133
Filed: 2019-07-18
Abstract: A display panel and a display apparatus. At least two bumps (107) are arranged on the side, away from a display area (103), of a non-display area (104) of an array substrate (101) of the display panel to serve as extension portions; a recess portion (108) is formed between the bumps (107); a driving chip (105) is arranged in a space between an edge of the display area (103) and an edge of the non-display area (104), thereby increasing the distance between the driving chip (105) and each of the edge of the display area (103) and the edge of the non-display area (104); and a bending section of a flexible circuit board (106) is positioned in the recess portion (108), such that the width of the non-display area (104) cannot be increased.
Patent WO-2021026766-A1 (WO)
Inventor: CHEN YALIN
IPC: G01S17/08
Filed: 2019-08-13
Abstract: A motor rotation speed control method and device for a scanning module (202), and a distance measurement device (200). The scanning module (202) comprises: a first optical element (214) and a first motor (216) connected to the first optical element (214), the first motor (216) being used for driving the first optical element (214) to rotate; and a second optical element (215) and a second motor (217) connected to the second optical element (215), the second motor (217) being used for driving the second optical element (215) to rotate. Said control method comprises: controlling the rotation speed of the first motor (216) to change to a first target speed (S301); and controlling, according to the first target speed, the rotation speed of the second motor (217) to change to a second target speed (S302), the first target speed and the second target speed satisfying a pre-determined functional relationship. Said method and device can effectively control the maximum spacing of a point cloud to be within a relatively small range, improving the distribution uniformity of points of a point cloud, thereby improving the scan density for a scan field of view.