baber/WOPTO huggingface dataset:
Patent WO-2021004259-A1 (WO)
Title: Symmetrical aqueous sodium-ion battery
Inventor: XU LI
IPC: H01M10/36
Filed: 2020-06-22
Abstract: The present invention relates to the field of electrochemical energy storage, and in particular, to a symmetrical aqueous sodium ion battery. The electrode material used in a positive electrode material layer and a negative electrode material layer of the battery is Na x MnO 2  (x=0.22-0.66). The electrolyte of the battery is an aqueous solution of sodium salt, and the concentration of sodium ions in the electrolyte is 0.5-6 mol•L -1 . By selecting Na x MnO 2  as the electrode material and setting the concentration of sodium ions in the electrolyte to be 0.5-6 mol•L -1 , the symmetrical aqueous sodium-ion battery of the present application has higher energy density which can reach more than 40 Wh/kg.
Patent WO-2021258372-A1 (WO)
Title: 状态控制方法、装置、通信设备及存储介质
Inventor: YANG XING
IPC: H04W72/04
Filed: 2020-06-24
Abstract: 本公开实施例是关于状态控制方法、装置和通信设备。响应于直连链路的苏醒信号的信号监听资源被占用，在所述信号监听资源被占用的苏醒信号对应的非连续接收(DRX)周期的苏醒期内苏醒。
Patent WO-2021253477-A1 (WO)
Title: Pipe fitting crimping device
Inventor: LI ZULIANG
IPC: B29L23/00
Filed: 2020-06-28
Abstract: A pipe fitting crimping device, comprising an outer positioning frame (1). Two or more arc-shaped extrusion modules (a) distributed in a circular array at intervals are provided in the outer positioning frame. All the arc-shaped extrusion modules surround and form a crimping space (k) allowing for the insertion of pipe fittings. All the arc-shaped extrusion modules are mounted to an inner movable elastic scaling surrounding frame (b) located in the outer positioning frame to allow for the scaling of the crimping space formed by all the arc-shaped extrusion modules. A linear propelling mechanism (c) for driving the inner movable elastic scaling surrounding frame to scale in a front-rear direction so as to drive the crimping space to scale is provided on the outer positioning frame. Therefore, the use is more flexible.
Patent WO-2022000239-A1 (WO)
Title: 一种新型环保基材及其制备方法及新型环保基材复合板
Inventor: LI GUOPING
IPC: B32B37/06
Filed: 2020-06-30
Abstract: 一种新型环保基材，由以下重量百分比的组分制备而成：PET纺纤维55%-85%；填充纤维15%-44%；阻燃剂0.1%-2%；偶联剂0.001%-2%；填充料0-30%。其具有耐候性好、不易发生变形翘曲的优势。还公开了一种新型环保基材的制备方法，包括以下步骤：将填充纤维、阻燃剂及偶联剂搅拌均匀，得一级混合物；将填充料与PET纺纤维搅拌均匀，得二级混合物；将一级混合物与二级混合物共混，铺装并压延成型，分切成片材；将片材层叠后进行热压成型，冷却后修边、砂光，得到环保基材。通过将混合物压延成片材，将多层片材层叠后热压成型，可提高成型后的基材的强度。该新型环保基材可与防火板或PET透明料形成复合板，得到稳定性好、不易变形翘曲的新型的装饰板。
Patent WO-2021109590-A1 (WO)
Title: 一种数据存储方法、装置及电子设备和存储介质
Inventor: FENG LONG
IPC: G06F16/17
Filed: 2020-07-24
Abstract: 一种数据存储方法、装置及一种电子设备和计算机可读存储介质，该方法包括：当接收到第一目标对象的写入请求时，确定第一目标对象对应的第一目标聚合文件，在第一目标聚合文件中确定第一目标对象的第一对象偏移(S101)；确定写入请求在目标对应中的写请求偏移和写请求长度，基于第一对象偏移和写请求偏移确定写入请求对应的起始位置(S102)；基于起始位置和写请求长度将写入请求对应的写入数据写入第一目标聚合文件中，并更新第一目标对象的元数据(S103)。上述数据存储方法，通过聚合文件的空间管理模块实现对数据空间的分配和释放，减少文件系统层对小文件的频繁操作，从而提升性能。
Patent WO-2022007070-A1 (WO)
Title: Carriage and rail vehicle
Inventor: FU ZHILIANG
IPC: B61D17/00
Filed: 2020-08-04
Abstract: Disclosed are a carriage, and a rail vehicle of the carriage, the vehicle comprising a plurality of carriages connected end to end. The carriage comprises a vehicle body profile (500), wherein at least one vehicle window (600) is arranged on the vehicle body profile (500), and the vehicle window (600) is installed on the vehicle body profile (500) by means of a connecting member (700). The vehicle body profile (500) comprises: a first surface (510), the vehicle window (600) being arranged at a position close to a first end of the first surface (510); and a second surface (520), the second surface (520) being vertically arranged at a second end of the first surface (510) and opposite the vehicle window (600), wherein the connecting member (700) is arranged between the second surface (520) and the vehicle window (600), and the connecting member (700) is detachably connected to the second surface (520). Compared with a bonding connection means in the related art, the detachable connection means can save installation and disassembly time and improve the operation efficiency.
Patent WO-2021023228-A1 (WO)
Title: 半导体器件及其制备方法
Inventor: DENG GUANGMIN
IPC: H01L29/41
Filed: 2020-08-05
Abstract: 本发明公开了一种半导体器件及其制备方法，半导体器件包括衬底；位于衬底一侧的掺杂外延层；位于掺杂外延层远离衬底一侧的沟道层；位于沟道层远离掺杂外延层一侧的势垒层；位于势垒层远离沟道层一侧的第一电极和第二电极，第一电极贯穿势垒层、沟道层以及部分掺杂外延层，第一电极与沟道层形成肖特基接触，所述掺杂外延层的与所述第一电极接触的部分的电阻大于所述沟道层的电阻。采用上述技术方案，第一电极贯穿沟道层并与掺杂外延层直接接触，不仅可以降低半导体器件的开启电压，还可以降低反偏漏电，保证半导体器件兼顾低开启电压低反向漏电的技术效果，提升半导体器件电学性能。
Patent WO-2021032071-A1 (WO)
Title: Method, device, and system for reducing reception noise floor for base station, and readable storage medium
Inventor: ZHOU YI
IPC: H04B17/26
Filed: 2020-08-18
Abstract: The present application relates to a method, device, and system for reducing the reception noise floor for a base station, and a readable storage medium. The method for reducing the reception noise floor for a base station comprises: acquiring a target RU device in an RU device network and setting a power threshold for the target RU device; obtaining an attenuation value on the basis of the actual reception power, the power threshold, and a demarcated value of the target RU device, the demarcated value being a baseband power for an RU device to trigger the commencement of ALC control; and performing power attenuation with respect to the target RU on the basis of the attenuation value to reduce the noise floor for the base station. The solution provided in the present application, by selecting an RU device frequently reaching the demarcated value or frequently being in an ALC control commenced state to increase uplink attenuation, thus ensuring that the RU device network as a whole satisfies a noise floor requirement, reduces the noise floor while also ensuring system performance to the greatest extent.
Patent WO-2021063124-A1 (WO)
Inventor: LIU YONGJUN
IPC: H01Q1/50
Filed: 2020-08-18
Abstract: The present application provides a feed component and a radiating element. The feed component comprises a feed component suitable for insertion into a feed hole pre-configured in a radiating element and forming a feed port. The feed component comprises a feed post and a feed dielectric member sleeved over the feed post. The feed post and the feed dielectric member are formed as an integrated structure by means of injection molding, and an outer side of the feed dielectric member is provided with an abutment portion to create an interference fit with an inner wall of the feed hole to achieve fastening. The feed port is formed by installing the feed component in the feed hole of the radiating element. The feed component enhances structural stability by combining two parts made of different materials into an integrated entity by using a conveying injection molding process, and also reduces the influence of deviations arising during assembly on antenna metrics. In addition, the interference fit provided between the abutment portion and the feed hole restricts freedom of motion of the feed component in the feed hole, thereby ensuring relative stability between the feed component and the radiating element, and ensuring antenna metric stability.
Patent WO-2021037018-A1 (WO)
Title: Composé de dihydroquinazoline ou de tétrahydroquinazoline et intermédiaires, leurs procédés de préparation et leur utilisation
Inventor: LI ANHU
IPC: A61P35/00
Filed: 2020-08-25
Abstract: La présente invention concerne un composé de dihydroquinazoline ou de tétrahydroquinazoline tel que représenté dans la formule (I), et des racémates, des énantiomères, des diastéréomères, des sels pharmaceutiquement acceptables ou des solvates de ceux-ci, et concerne en outre des composés intermédiaires pour synthétiser les composés, leurs procédés de préparation, et des compositions pharmaceutiques comprenant les composés et leur utilisation. Les composés sont des inhibiteurs de KRAS G12C, et peuvent être utilisés pour traiter des maladies provoquées par une activité anormale de KRAS, telles que des tumeurs. (I)
Patent WO-2021103689-A1 (WO)
Title: 吸尘器、旋风分离机构及集尘结构
Inventor: HUANG YUELIN
IPC: A47L9/16
Filed: 2020-08-26
Abstract: 一种吸尘器、旋风分离机构（10）及集尘结构（100），旋风分离机构（10）包括集尘结构（100）及旋风分离器（200），集尘结构（100）包括集尘部（110）及进气部（120）。旋风分离器（200）设置于集尘结构（100）上，旋风分离器（200）一端的进气口（210）通过排气口（126）与进气部（120）的进气通道（122）相连通，旋风分离器（200）的另一端的排尘口（220）通过集尘口（114）与集尘腔（112）相连通。带尘气体由进气部（120）一端的入气口（124）进入到进气通道（122）内，通过进气部（120）另一端的排气口（126）排入到旋风分离器（200）的进气口（210），在旋风分离器（200）内进行气尘分离，分离后的灰尘由排尘口（220）通过集尘口（114）落入集尘腔（112），实现灰尘的收集。通过进气通道（122）能够为带尘气体的流通提供有效的导向作用，降低带尘气体在流通过程中的风阻，提高了带尘气体流通的稳定性，有效降低旋风分离机构（10）在使用过程中的噪音。
Patent WO-2021114775-A1 (WO)
Inventor: XU YI
IPC: G06V10/26
Filed: 2020-09-08
Abstract: The present disclosure provides an object detection method. The method includes: (101) acquiring a scene image of a scene; (102) acquiring a three-dimensional point cloud corresponding to the scene; (103) segmenting the scene image into a plurality of sub-regions; (104) merging the plurality of sub-regions according to the three-dimensional point cloud to generate a plurality of region proposals; (105) and performing object detection on the plurality of region proposals to determine a target object to be detected in the scene image. In addition, The present disclosure also provides an object detection device, a terminal device, and a medium.
Patent WO-2022027778-A1 (WO)
Title: High-efficiency reclaimed asphalt mixture and preparation process thereof
Inventor: CHEN LIFENG
IPC: C04B26/26
Filed: 2020-09-10
Abstract: Disclosed is a high-efficiency reclaimed asphalt mixture, comprising in terms of parts by mass a reclaimed dedicated asphalt and 100 parts of a core material. The 100 parts of the core material comprise the following raw materials in terms of parts by mass: 0-30 parts of a newly aggregated material of which the particle size is 10 mm to 25 mm, 0-70 parts of a RAP material of which the particle size is 10 mm to 20 mm, 0-80 parts of a RAP material of which the particle size is 5 mm to 10 mm, 0-20 parts of a RAP material of which the particle size is 0 mm to 5 mm, and 0-3 parts of a mineral powder. Also provided in the present invention is a preparation process for the high-efficiency reclaimed asphalt mixture. In the product high-efficiency reclaimed asphalt mixture of the present invention, the blending ratio of the RAP materials can be 70% or more, mixing entirely in a reclamation plant can be attained at best, and this is applicable in various grades of road surfaces.
Patent WO-2021052407-A1 (WO)
Title: Electronic device control method and electronic device
Inventor: TIAN LIHUI
IPC: G06F3/0488
Filed: 2020-09-17
Abstract: An electronic device control method and an electronic device. Said method comprises: upon reception of a first touch operation on a first touch region, an electronic device determining, according to a first mapping relationship, a second coordinate having a mapping relationship with a first coordinate of the first touch operation, the second coordinate being located in a second touch region; and the electronic device performing a response corresponding to the second coordinate. Touching the first touch region enables the electronic device to execute the function to be executed when the second touch region is touched, thereby touching the first touch region instead of touching the second touch region, reducing the blockage to the second touch region. With the method, there is no need to additionally provide a gamepad for an electronic device, solving the problem existing in the prior art of high costs caused by providing a gamepad, thereby avoiding the problem of inconvenience for carrying a provided gamepad.
Patent WO-2021120749-A1 (WO)
Title: 具有储液元件的气雾弹和气雾散发装置
Inventor: WANG LIPING
IPC: A24F40/46
Filed: 2020-09-22
Abstract: 一种具有储液元件(100)的气雾弹(800)和气雾散发装置(1)，气雾弹(800)包括外壳、储液元件(100)、储液元件通孔(130)和气雾出口(1301)，气雾弹(800)同时具有储存和释放液体、导出气雾的功能。气雾弹(800)与气雾散发装置(1)配合，根据需要发生并散发气雾。气雾弹(800)结构简单，空间利用率高，储液量大，成本低，使用方便。
Patent WO-2021151301-A1 (WO)
Title: Ovs-based data packet processing method and apparatus, computer device, and computer readable storage medium
Inventor: QIN HUAWEI
IPC: H04L12/743
Filed: 2020-09-29
Abstract: The present application relates to the technical field of computers and provides an OVS-based data packet processing method and related devices. The OVS-based data packet processing method comprises: extracting a first key information from a data packet; calculating a first hash value of the data packet; determining whether a mask index related to the first hash value is present in a pre-set mask index table; if no related mask index is present in the pre-set mask index table, searching, according to a first mask, the first key information, and the pre-set flow mask table, multiple general flow tables for a target flow table of the data packet; if no target flow table of the data packet is found from the multiple general flow tables, searching, according to the first mask, the first key information, and the pre-set flow mask table, the default flow table for a target flow table of the data packet; executing a processing instruction on the data packet according to the target flow table of the data packet. In the present application, data packets are processed according to a flow table, thereby enhancing the accuracy of data packet processing.
Patent WO-2021068835-A1 (WO)
Inventor: HU HUIXIAN
IPC: H04L29/06
Filed: 2020-09-30
Abstract: 本公开实施例公开了一种数据外发方法，包括：获取对外数据；所述对外数据包括对外邮件和对外文件；基于对外数据的第一标识对所述对外数据进行安全检测；所述第一标识用于区分所述对外邮件和所述对外文件；在所述对外数据为所述对外邮件的情况下，向目标对象发送通过安全检测的所述对外邮件；在所述对外数据为所述对外文件的情况下，根据所述目标对象的等级和所述对外文件的等级，分配所述对外文件被所述目标对象查看的查看方式。这样，可以更加安全的外发数据。
Patent WO-2021120801-A1 (WO)
Title: 一种微波、燃气混合加热辊道窑
Inventor: PAN JIANHUAN
IPC: F27B9/06
Filed: 2020-10-13
Abstract: 一种微波、燃气混合加热辊道窑，其辊道窑本体（100）包括依次连接的第一加热段（110）、第二加热段（120）；其中，所述第一加热段（110）内设有燃气加热装置，所述第二加热段（120）内设有微波加热装置。通过在第一加热段（110）内设置燃气加热装置，在第二加热段（120）内设置微波加热装置；当产品通过第一加热段（110）时，第一加热段（110）内使产品外表面被热空气加热得以升温，进而产品通过第二加热段（120），由微波加热装置发出的微波使产品的内部得以快速升温；通过结合燃气加热和微波加热两种方式，既保留了燃气单位热值成本低和微波穿透性强的优点，又相对克服了各自存在的缺点，从而大幅缩短了产品的烧成周期，进一步提高了单位时间内的产量。
Patent WO-2021120803-A1 (WO)
Inventor: WANG QIANG
IPC: E06B3/46
Filed: 2020-10-14
Abstract: Disclosed is a horizontal-pushing-type window opener, comprising a housing (1), an electric motor (4) fixed inside the housing (1), a screw rod (2) driven by the electric motor (4), a sliding block (3) arranged on the screw rod (2) by means of a threaded connection and driven by the electric motor, a rotary drum (9) hinged to the sliding block (3), and a rack (8) which is vertically arranged in the middle of the housing. The upper half part and the lower half part of the housing (1) are provided with a first telescopic rod (6) and a second telescopic rod (7) which may respectively extend to two sides, and the first telescopic rod (6) and the second telescopic rod (7) are provided with outer ends for pushing an inner window frame (12) or an outer window frame (11), fixed ends hinged to the housing (1), and movable ends capable of vertically sliding in the housing (1). Each of the movable ends is provided with a driving lever (10). The rotary drum (9) is provided with an opening (14) which is suitable for the driving lever (10) to be inserted into, and the back of the rotary drum (9) is provided with teeth (13) matching the rack (8). During the process of moving the sliding block (3) to disengage the teeth (13) on the back of the rotary drum (9) from the rack (8), the driving lever (10) slides into the opening (14) of the rotary drum (9) and is limited, and after the rotary drum (9) is completely disengaged from the rack (8), the rotary drum (9) pushes or pulls each of the movable ends by means of the driving lever (10), so as to drive the telescopic rods (6, 7) to be pushed out or retracted.
Patent WO-2022056990-A1 (WO)
Inventor: JI HAIMIN
IPC: F25B27/02
Filed: 2020-10-19
Abstract: 一种火电厂耦合高效压缩式热泵储能调峰系统及方法，包括锅炉（1）、透平（5）、发电机（6）、电源开关（7）、压缩机（8）、氟利昂-烟气换热器（9）、冷凝换热器（10）、空压机（11）、节流阀（12）、蒸发换热器（13）、输出管道、混合集箱（24）、热网回水储水罐（19）及热网供水储水罐（17），该系统及方法能够满足火电厂机组灵活深度调峰的要求，且具有安全性、经济性较高的特点。
Patent WO-2022082820-A1 (WO)
Title: 一种碎石生产用旋风除尘器
Inventor: JIA QIAN
IPC: B04C5/185
Filed: 2020-10-26
Abstract: 一种碎石生产用旋风除尘器，包括底板(1)，所述底板(1)顶端固定连接有支架(2)，所述支架(2)内侧固定连接有旋风除尘器(3)，所述旋风除尘器(3)底端固定连接有出料管(4)，所述出料管(4)外侧螺旋连接有延长管(5)，所述延长管(5)外侧固定连接有拦网(6)，所述拦网(6)外侧滑动连接有降尘箱(7)，所述降尘箱(7)底端固定连接有支撑座(8)，旋风除尘器(3)输入端进入带灰尘的空气，从旋风除尘器(3)底端的出料端输出灰尘，在降尘箱(7)内侧注满水，在出料管(4)上转动延长管(5)，延长管(5)带动拦网(6)向下运动，延长管(5)插入降尘箱(7)，然后延长管(5)插入水中，灰尘进入降尘箱(7)与水接触进行降尘作业，从而使装置排出灰尘的时候减少扬尘，提高出料效果，方便收集灰尘。
Patent WO-2021088859-A1 (WO)
Inventor: DING KE
IPC: C07D471/00
Filed: 2020-11-04
Abstract: An indazole derivative having the structure as represented by formula (I), or a pharmaceutically acceptable salt of same, or a stereoscopic isomer of same, and, a pharmaceutical composition of same, and applications thereof. The compound is applicable as a protein kinase inhibitor, effectively inhibits the activity of a TRK protein kinase, and inhibits the proliferation, migration, and invasion of various tumor cells.
Patent WO-2021179647-A1 (WO)
Inventor: MA GUANGUO
IPC: F16K1/46
Filed: 2020-11-09
Abstract: A long-distance concrete spraying machine, comprising an underframe, a cylinder barrel mechanism (5), a rotor mechanism (7) and a hydraulic system, wherein the cylinder barrel mechanism (5) comprises an upper cylinder barrel part and a lower cylinder barrel part. A cylinder barrel, a pushing piston, a sealing piston and a sealing box body thereof match with one another, the sealing piston and the cylinder barrel form an end face seal, and an end part of a lower cylinder barrel is provided with a material collecting box (504) for collecting residual materials accumulated by the pushing piston. The rotor mechanism (7) mainly comprises a rotor shell (706), a rotor (707) and a conical distributor (709), wherein materials in each bin are continuously sprayed during the rotation process of the rotor (707). The hydraulic system comprises a hydraulic oil tank (3) and an electric motor (4), and provides power for the spraying machine. The spraying machine uses the form of an end face seal to prevent friction between a sealing component and concrete and the cylinder barrel, a rigid piston can be used as the pushing piston, sealing is achieved by means of the sealing piston, and the rotor mechanism (7) uniformly distributes the concrete to achieve pulse-free continuity; and the spraying machine further has the advantages of long-distance dust-free conveying, a long service life, etc.
Patent WO-2022000931-A1 (WO)
Inventor: ZHENG FENGFENG
IPC: H01L21/673
Filed: 2020-11-11
Abstract: A graphite boat, which belongs to the technical field of solar cells and aims to solve the problem of graphite boat sheets being prone to loosening. The graphite boat comprises M graphite boat sheets (10) and a plurality of rows of insulating fixing members (20) for fixing the M graphite boat sheets (10). Each row of insulating fixing members (20) are of an integrated structure or a split structure, wherein the insulating fixing members (20) of an integrated structure include one insulating fixing unit (201), and the insulating fixing members (20) of a split structure include two or more insulating fixing units (201). Each insulating fixing unit (201) is clamped together with a corresponding graphite boat sheet (10) by means of a notch (21) provided therein. The number and distribution of insulating fixing units (201) in each row of insulating fixing members (20) are configured such that the spacing between the M graphite boat sheets (10) is fixed. The graphite boat is used in a plasma enhanced chemical vapor deposition coating process.
Patent WO-2022041506-A1 (WO)
Inventor: ZHANG QIESHI
IPC: G06T7/50
Filed: 2020-11-18
Abstract: An image depth estimation method, a terminal device, and a computer readable storage medium, suitable for use in the technical field of image processing, the method comprising: inputting a target image into a preset depth estimation model, extracting global features of the target image, extracting key features of the target image from the global features, and determining a target depth map of the target image on the basis of the key features, the value of each pixel point in the target depth map being used for describing the distance of a photographed object corresponding to the pixel points from the camera. As the key features are used for describing information of the pixel points in non-blank areas of the target image, when determining the target depth of the target image, information of the pixel points in blank areas of the target image are not considered and the target depth is determined only on the basis of the key features of the target image, thereby increasing the estimation precision of image depth estimation and reducing the calculation overheads of image depth estimation.
Patent WO-2021189897-A1 (WO)
Title: 道路匹配方法、装置、电子设备及可读存储介质
Inventor: LI SHUO
IPC: G01S19/42
Filed: 2020-11-26
Abstract: 一种道路匹配方法，包括：对GPS数据进行分段，得到分段GPS数据（S1）；对所述分段GPS数据进行编码处理得到编码GPS数据（S2）；利用所述编码GPS数据对所述地图数据进行关联切分，得到分段地图数据（S3）；利用所述分段地图数据及所述分段GPS数据进行第一筛选分析计算得到目标经纬度点集及候选起点集（S4）；利用所述分段地图数据及所述目标经纬度点集进行第二筛选分析计算得到候选终点集（S5）；根据所述候选起点集及所述候选终点集进行计算得到目标路径（S6）。
Patent WO-2022088405-A1 (WO)
Inventor: Tang Qibiao
IPC: G06F21/55
Filed: 2020-12-09
Abstract: 一种网络安全防护方法、装置及系统。本申请的方法能够将客户端的业务流量通过DNS引流至DDoS设备；利用DDoS设备对业务流量进行流量清洗，并将清洗后的业务流量传输至云WAF设备；最终利用云WAF设备对清洗后的业务流量进行异常检测，将通过异常检测的业务流量传输至服务端，并拒绝未通过异常检测的业务流量。可见，该方法在网络中同时部署DDoS设备和云WAF设备，其中DDoS设备支持4层和7层抗DDoS功能，能够实现大流量DDoS清洗，云WAF设备支持web应用层防护，保证应用层免受攻击，二者相互配合，显著提升网络整体安全性。此外，本申请还提供了一种网络安全防护装置及系统，其技术效果与上述方法的技术效果相对应。
Patent WO-2022068104-A1 (WO)
Inventor: ZHANG YAOHUI
IPC: H01S5/343
Filed: 2020-12-28
Abstract: A silicon-based semiconductor laser and a manufacturing method therefor. The laser comprises a first diode structure, a light-emitting active region and a second diode structure, wherein the light-emitting active region is arranged between the first diode structure and the second diode structure; and when a preset reverse bias voltage is applied to the first diode structure and/or the second diode structure, the first diode structure and/or the second diode structure can inject electrons into the light-emitting active region and generate an "electric field well" for the electrons in the light-emitting active region, thereby limiting the electrons to the light-emitting active region. By means of the silicon-based semiconductor laser, electron-hole pairs effectively collect electron carriers in a light-emitting medium by using reverse injection, and the population inversion of conduction band energy valley electrons and valence band top holes capable of emitting light can be effectively realized, thereby realizing electronic injection lasing of a silicon-based laser.
Patent WO-2022141089-A1 (WO)
Inventor: HUANG TONGYAO
IPC: G03B9/22
Filed: 2020-12-29
Abstract: La présente invention concerne un appareil d'obturateur ainsi qu'un procédé de synchronisation et un procédé de commande associés, et un dispositif photographique. L'appareil d'obturateur comprend : une base (10) comportant un trou traversant de lumière (11) ; au moins deux groupes de lames d'obturateur (20) disposés sur la base (10) dans la direction circonférentielle du trou traversant de lumière (11), chaque groupe de lames d'obturateur (20) comprenant au moins deux lames d'obturateur (21) ; et au moins deux structures d'entraînement, chaque structure d'entraînement entraînant un groupe de lames d'obturateur (20), de telle sorte que les lames d'obturateur (21) dans le groupe de lames d'obturateur (20) tournent et ont un état ouvert et un état fermé, et lorsque toutes les lames d'obturateur (21) dans les deux groupes de lames d'obturateur (20) ou plus sont dans l'état fermé, toutes les lames d'obturateur (21) recouvrent complètement le trou de passage de lumière (11). L'appareil d'obturateur augmente la vitesse d'obturation en réduisant le moment d'inertie de la lame d'obturateur (21) tout en réduisant le couple d'impact qui peut être ressenti lorsque la lame d'obturateur (21) tourne sur place, prolongeant la durée de vie de l'obturateur.