baber/WOPTO huggingface dataset:
Patent WO-2020238125-A1 (WO)
Title: Optical film
Inventor: YANG YING
IPC: G02B5/126
Filed: 2019-12-03
Abstract: The present invention relates to an optical film, comprising a base layer and a micro-nano structure layer provided on the base layer. The micro-nano structure layer comprises at least one first structure area and at least one second structure area; the first structure area comprises a plurality of micro-nano sub-structures; each of the micro-nano sub-structures comprises a first raised structure and/or a first recess structure; the second structure area comprises a plurality of micro-nano structure units; each of the micro-nano structure units comprises fringe structures arranged periodically; each fringe structure comprises a second raised structure and/or a second recess structure. The provision of the at least one first structure area and the at least one second structure area enables the optical film to have both a bright silver light and shadow effect and a laser effect, and to thereby have a good decorative and distinguishing effect.
Patent WO-2020119753-A1 (WO)
Title: 一种参数配置方法及装置
Inventor: XUE YIFAN
IPC: H04W72/04
Filed: 2019-12-12
Abstract: 本申请涉及参数配置方法及装置，用于尽量为终端设备配置符合终端设备的需求的空口参数。其中的一种参数配置方法包括：终端设备确定M个配置信息，M个配置信息用于指示终端设备的N个空口参数集合的调整区间，M个配置信息中的每个配置信息用于指示N个空口参数集合中的一个空口参数集合中的一个空口参数的调整区间，调整区间用于调整一个空口参数的取值，N为正整数，M为大于或等于N的整数；向网络设备发送M个配置信息。通过向网络设备发送M个配置信息可以使得网络设备在为终端设备配置空口参数时将M个配置信息作为参考，使得所配置的空口参数能够尽量考虑到终端设备的实际需求，使得配置结果尽量跟终端设备的实际工作情况一致。
Patent WO-2020125591-A1 (WO)
Inventor: LIU GUANYUAN
IPC: H04L29/08
Filed: 2019-12-16
Abstract: The embodiments of the present invention relate to the technical field of vehicle diagnosis, and specifically disclosed thereby are a vehicle diagnosis method, a management server and a diagnosis server. The vehicle diagnosis method is applied to a diagnosis system of a vehicle. The diagnosis system comprises a terminal, a management server, a diagnosis server and a communication interface, the management server being connected to the terminal and the diagnosis server respectively, and the communication interface being used to connect to a vehicle to be diagnosed. The method comprises: the management server receiving diagnosis request information sent by the terminal; the management server determining a diagnosis server corresponding to a vehicle to be diagnosed according to the diagnosis request information; the management server or the diagnosis server determining a communication protocol of a communication interface connected to the vehicle to be diagnosed; the diagnosis server establishing a communication connection to the communication interface according to the communication protocol of the communication interface; and the diagnosis server diagnosing the vehicle to be diagnosed by means of the communication interface. By means of the described technical solution, a vehicle can be directly diagnosed locally using the embodiments of the present invention, thus greatly increasing the convenience of vehicle diagnosis.
Patent WO-2021120000-A1 (WO)
Inventor: NEO REY
IPC: H04L12/26
Filed: 2019-12-17
Abstract: Systems, methods and devices for generating highly scalable temporal graph databased are disclosed. A novel architecture is presented that enables the identification of mutation or changes in graphs. For the identification a combination of graph-based modeling and journal entry is used. Events occurring are consumed and changes are ingested, transformed for use by a graph simulation system. The changes are journaled using a vertex centric temporal journaling schema.
Patent WO-2020135438-A1 (WO)
Title: 一种高强度覆铝基板用钢及其制造方法
Inventor: SONG FENGMING
IPC: C21D8/02
Filed: 2019-12-24
Abstract: 一种高强度覆铝基板用钢，其化学元素质量百分配比为：C：0.008-0.02％，0＜Si≤0.005％，Mn：0.25-0.5％，P：0.018-0.03％，Al≤0.005％，N：0.0040-0.010％，Ti：0.02-0.04％，O：0.02-0.050％，余量为Fe和其他不可避免的杂质。其制造方法包括步骤：(1)冶炼和浇铸；(2)再加热：铸坯被再加热到1180℃-1250℃；(3)粗轧；(4)精轧；(5)卷取；(6)冷却至室温。该高强度覆铝基板用钢强度高，塑性好。
Patent WO-2021128163-A1 (WO)
Title: 电子雾化装置及其雾化器
Inventor: He Danchong
IPC: A24F40/46
Filed: 2019-12-26
Abstract: 一种电子雾化装置及其雾化器，雾化器包括储液腔(4)，用于储存液体；换气通道，将储液腔(4)与外界相连通；换气通道包括：进气口(63)，与外界相连通；空腔(61)，与进气口(63)连通；换气槽(62)，连通空腔(61)和储液腔(4)；空腔(61)为环形或者环形的一部分，空腔(61)靠近换气槽(62)的一端具有毛细作用力。通过换气通道，实现了将储液腔(4)与外界相连通，为储液腔(4)补气，实现气液平衡，令储液腔(4)下液更加通畅。同时，实现了搁置状态下的锁液以及抽吸状态下的漏液回收。
Patent WO-2021022774-A1 (WO)
Inventor: ZHU XIAOTIAN
IPC: H04R9/02
Filed: 2019-12-27
Abstract: Disclosed are a loudspeaker and an audio device. The loudspeaker comprises: a support; a magnetic circuit system mounted on the support, the magnetic circuit system being provided with a magnetic circuit gap and a cone vibration space provided on an inner side of the magnetic circuit gap; and a vibration system. The vibration system comprises a diaphragm, a damper and a voice coil, wherein the diaphragm comprises a cone part, and an elastic connection part connected to the outer periphery of the cone part; an outer edge of the elastic connection part is connected to the support; the bottom of the cone part is arranged in the cone vibration space; the damper connects the cone part and the magnetic circuit system; and one end of the voice coil is connected to the elastic connection part, and the other end of the voice coil extends into the magnetic circuit gap. In this way, on the premise of ensuring that the value of the maximum amplitude of the voice coil is large, the distance between the diaphragm and an upper end of the vibration system can be reduced, thereby reducing the thickness of the loudspeaker.
Patent WO-2020140855-A1 (WO)
Inventor: LI RUIJIANG
IPC: B05D7/24
Filed: 2019-12-28
Abstract: 一种用于全贴合方法的印刷工艺，包括一网框（4），该网框（4）具有一用于与待印刷胶水（3）的产品（1）的表面贴合的底框（2），该底框（2）的内侧边围合形成一涂胶区域（5），所述待印刷胶水（3）的产品（1）的表面具有一待涂胶区域（6），所述涂胶区域（5）的形状为待涂胶区域（6）同步缩小的形状，且底框（2）的内侧边与待印刷胶水（3）的产品（1）的表面的待涂胶区域（6）的相应侧边相距1.3-1.7mm，所述胶水（3）的粘度为40000-50000厘泊；印刷胶水（3）时，以网框（4）对正下压待印刷胶水（3）的产品（1），然后将胶水（3）补在所述网框（4）的涂胶区域（5），接着用刮刀刮胶，部分胶水（3）进入网框（4）和待印刷胶水（3）的产品（1）的表面之间，最后进行预固化；上述工艺可以保证溢胶量的同时不会缺胶。
Patent WO-2020140910-A1 (WO)
Inventor: ZHU XIAOKAI
IPC: B62M7/12
Filed: 2019-12-31
Abstract: 一种电动滑板车离合式驱动轮，包括轮体（2）和穿设于轮体（2）中心的动力轴（1），在动力轴（1）的一端设有电机动力输入结构，在动力轴（1）中穿设有中心支撑轴（14），动力轴（1）与轮体（2）之间设有当其动作时能使轮体（2）相对于动力轴（1）周向定位或能使轮体（1）相对于动力轴（2）可周向转动的受控离合结构，受控离合结构上设有离合状态锁定结构。该电动滑板车离合式驱动轮在动力轴（1）与轮体（2）之间设有离合状态锁定结构，确保动力轴（1）与轮体（2）之间处于传动连接状态或相互脱离状态时能保持状态的稳定。
Patent WO-2020151598-A1 (WO)
Inventor: LIU WENBO
IPC: A61B34/30
Filed: 2020-01-17
Abstract: 本发明提供了一种手术机器人系统，所述手术机器人系统包括工作站，机械臂，扫描模块，引导模块等，其中借助扫描模块可完成快速配准。该系统提高了配准的速度和精度，缩短了手术时间。
Patent WO-2021155585-A1 (WO)
Title: Dynamic interference measurement for multiple-trp csi
Inventor: HAO CHENXI
IPC: H04B17/309
Filed: 2020-02-07
Abstract: Certain aspects of the present disclosure provide techniques for channel state information (CSI) for multiple transmission reception point (mTRP) scenarios. The techniques may provide for dynamic interference measurement for mTRP CSI. A method that may be performed by a user equipment (UE) includes receiving a CSI reporting configuration configuring the UE with a plurality of CSI reference signal (CSI-RS) resources for channel measurement (CMRs) and a plurality of resources for interference measurement (IMRs). The method includes determining an indicator based on an association between one or more CMRs and one or more IMRs. A codepoint of the indicator is associated with an IMR or a set of IMRs by an order of the IMRs or the set of IMRs in the configuration, and is associated with a CMR, a CMR pair, or a part of the ports of a CMR. The method generally includes performing CSI measurement based on the association.
Patent WO-2020164496-A1 (WO)
Title: 资源配置的方法和装置
Inventor: YANG FAN
IPC: H04W72/04
Filed: 2020-02-12
Abstract: 本申请提供一种资源配置的方法，可以应用于车联网，例如V2X、LTE-V、V2V等，或可以用于D2D，智能驾驶，智能网联车等领域，提出了终端设备传输HARQ反馈信息和/或CSI所使用的时频资源可以通过网络设备配置，终端设备可以发送请求信息来请求网络设备配置用于传输HARQ反馈信息和/或CSI的时频资源，其中，该HARQ反馈信息和/或CSI是将由S个终端设备中的至少一个终端设备向所述S个终端设备中的其他终端设备发送的。这样，可以使得网络设备基于该请求信息为HARQ反馈信息和/或CSI配置相应的时频资源，满足了的SL通信的通信需求，降低了SL反馈的时延。
Patent WO-2020168959-A1 (WO)
Inventor: WANG HAIJUAN
IPC: F25D29/00
Filed: 2020-02-12
Abstract: A refrigeration and freezing device (1), comprising: a refrigerator body (10) having at least one storage compartment (11) defined therein, wherein one of the at least one storage compartment (11) has a heating chamber defined therein; and an electromagnetic heating device for providing an electromagnetic wave to the inside of the heating chamber so as to heat an item to be processed, wherein the electromagnetic heating device has an electromagnetic generation module (21) for generating an electromagnetic wave signal and a power supply module (24) for supplying power to the electromagnetic generation module (21). A power supply box (40) is disposed at a top portion of the refrigerator body (10). The casing of the power supply box (40) is provided with heat dissipation holes for connecting the interior of the power supply box (40) to the external environment of the power supply box (40). The power supply module (24) is disposed in the power supply box (40). A heat dissipation fan (31) is further disposed in the power supply box (40), and is used to drive airflow to circulate between the interior of the power supply box (40) and the external environment of the power supply box (40) by means of the heat dissipation holes, so as to dissipate heat from the power supply module (24), thereby avoiding the problems of reduced service life and declining efficiency caused by an increase in the temperature of the power supply module (24) during successive operations, avoiding the hidden danger of users unintentionally touching the module and getting burned, and saving space.
Patent WO-2020173362-A1 (WO)
Inventor: WANG JING
IPC: F25D19/00
Filed: 2020-02-19
Abstract: A refrigerator, comprising a body (100), an evaporator (101) and air supply fans (104, 105); a cooling chamber located at a lower part and at least one storage chamber located above the cooling chamber are defined in the body (100), and the storage chamber comprises a freezing chamber (132), a variable temperature chamber (131) and a temperature lowering chamber (133). The evaporator (101) is provided in the cooling chamber, and is configured to cool an airflow entering the cooling chamber. The refrigerator also comprises air supply ducts (141) including a first duct (1411), a second duct (1413) and a third duct (1412) respectively supplying air to the variable temperature chamber (131), the temperature lowering chamber (133) and the freezing chamber (132). The air supply fans (104, 105) include a first fan (104) configured to urge a cooling airflow to flow to the first duct (1411) and the second duct (1413), and a second fan (105) configured to urge a cooling airflow to flow to the third duct (1412). The cooling chamber is located at the lower part in the body (100), occupies the lower space in the body (100), and allows space for a compressor compartment. The freezing chamber and a refrigerating chamber are respectively provided with a separate fan for air supply, such that the cooling airflows in different ducts do not interfere with each other, thereby preventing temperature interference between the freezing chamber and the refrigerating chamber.
Patent WO-2021164008-A1 (WO)
Inventor: REN YUWEI
IPC: H04W72/04
Filed: 2020-02-21
Abstract: La divulgation concerne des techniques pour la communication sans fil. Selon un aspect, un équipement utilisateur (UE) reçoit, à partir d'une station de base dans un premier intervalle de temps, un premier déclencheur indiquant qu'un intervalle de temps suivant le premier intervalle de temps est un début d'un premier faisceau d'intervalles de temps contenant des signaux de référence de démodulation (DMRS) de canal de commande de liaison descendante physique (PDCCH), et mesure les DMRS de PDCCH dans chaque intervalle de temps après le premier intervalle de temps jusqu'à ce qu'un second déclencheur soit reçu en provenance de la station de base dans un second intervalle de temps, le second déclencheur indiquant qu'un intervalle de temps suivant le second intervalle de temps est un début d'un second faisceau d'intervalles de temps contenant des DMRS de PDCCH.
Patent WO-2020200285-A1 (WO)
Inventor: GAO YING
IPC: F28F9/02
Filed: 2020-04-02
Abstract: 本申请公开了一种扁管和具有其的换热器，扁管具有沿该扁管的长度方向间隔布置的第一端和第二端，且扁管具有沿该扁管的宽度方向间隔布置的第一侧面和第二侧面，第一端的第一侧面设有第一凹部，第一端的第二侧面设有第二凹部，第一凹部具有从第一端的端面沿扁管的长度方向延伸的第一长度和沿扁管的宽度方向延伸的第一深度，第二凹部具有从第二端的端面沿扁管的长度方向延伸的第二长度和沿扁管的宽度方向延伸的第二深度，其中第一长度与第二长度不相等。根据本申请实施例的扁管使用在平行流换热器上，具有能够减少应力集中，提高换热器可靠性等优点。
Patent WO-2021179380-A1 (WO)
Inventor: CAO WU
IPC: G06F3/041
Filed: 2020-04-07
Abstract: A display panel (100) and a display module. The display panel (100) comprises a first substrate (10) and a second substrate (20); the first substrate (10) comprises a first base (11), a drive circuit layer (12), a first common electrode layer (13) and an electrical connection member (14); and the second substrate (20) comprises a second base (21) and a second common electrode layer (22). The display panel (100) further comprises a touch member consisting of a touch electrode layer (41) and a touch wiring (42), the touch electrode layer (41) is located between the second base (21) and the second common electrode layer (22), and the touch electrode layer (41) is electrically connected to the touch wiring (42) by means of the electrical connection member (14).
Patent WO-2021120474-A1 (WO)
Title: 涂布辊清洗装置
Inventor: CHEN DAOYUAN
IPC: B65G17/42
Filed: 2020-04-21
Abstract: 一种涂布辊清洗装置，包括清洗箱（1）、喷淋箱（2）、烘干箱（3）和输送链条（4），涂布辊（5）装载于输送链条（4）传输，且涂布辊（5）的传输依次经过清洗箱（1）、喷淋箱（2）和烘干箱（3），即为依次经过清洗、喷淋冲洗和烘干工序；该清洗装置清洗时，工作人员通过手动操作涂布辊旋转，使其外周能够全部浸入清洗箱内，工作人员只需要经过一次装夹即可实现涂布辊的全部清洗流程，自动化操作，省时省力。
Patent WO-2021082371-A1 (WO)
Inventor: QIU CHENGFENG
IPC: G02F1/295
Filed: 2020-04-23
Abstract: A liquid crystal waveguide light adjustment device and a liquid crystal waveguide light adjustment system. The liquid crystal waveguide light adjustment device comprises: a lower substrate (1); a waveguide structure (2) formed on the lower substrate (1), the waveguide structure (2) comprising a lower waveguide cladding layer (20), a liquid crystal waveguide core layer (21), and an upper waveguide cladding layer (22) arranged in sequence from bottom to top, the refractive index of the lower waveguide cladding layer (20) being smaller than the refractive index of the liquid crystal waveguide core layer (21), the refractive index of the upper waveguide cladding layer (22) being smaller than the refractive index of the liquid crystal waveguide core layer (21), and the liquid crystal waveguide core layer (21) comprising multiple liquid crystal molecule areas (210); and an upper substrate (3) formed on the waveguide structure (2). Thus, a great optical path difference can be achieved.
Patent WO-2021232237-A1 (WO)
Title: Control method and device
Inventor: QIN TAO
IPC: G05B9/03
Filed: 2020-05-19
Abstract: The present application provides a control method and device, which can be applied to such vehicles as intelligent vehicles, new energy vehicles, networked vehicles and intelligent driving vehicles. The control method comprises: before a control function of a first controller and/or a second controller is activated, the first controller obtaining a first running state of the first controller; receiving first indication information sent by the second controller, wherein the first indication information indicating main and auxiliary states of the second controller; the first controller setting, based on the first running state and the first indication information, a first main and auxiliary mode of the first controller; and sending second indication information to the second controller, so that a first main and auxiliary mode of the second controller set by the second controller does not conflict with the first main and auxiliary mode of the first controller. According to the control method in the embodiments of the present application, before the control function of the controllers is activated, the first controller can determine the main and auxiliary mode in a negotiation manner based on the state of the first controller and the state of the second controller. In this way, the reliability of a control system can be improved.
Patent WO-2021196370-A1 (WO)
Title: 以子像素为显示单元的单目多视图显示方法
Inventor: LIU LILIN
IPC: G02B30/27
Filed: 2020-05-22
Abstract: 一种以子像素为显示单元的单目多视图显示方法。以显示器件(10)子像素为基本显示单元，经光栅器件(20)的分光调控，显示器件(10)的多个子像素组投射光分别经各自对应视区被导向观察者瞳孔(50)所处区域。通过各子像素组调制投射目标场景的不同视图，利用入射观察者同一瞳孔(50)的多于一个的视图，实现单目可聚焦的三维场景显示。来自不同颜色子像素的投射光，沿各自对应矢向于各显示物点叠加形成空间彩色光点，将传统基于不同颜色子像素所拼连而成面分布彩色像素进行的显示，转化为基于不同颜色子像素投射光束叠加而成空间分布彩色光点进行的显示。其中，光栅器件(20)引导来自各子像素的光束发散角受限地沿各自对应矢向，向各自所属子像素组的对应视区投射。
Patent WO-2020244497-A1 (WO)
Title: 一种柔性屏幕的显示方法及电子设备
Inventor: LIU MIN
IPC: G06F9/451
Filed: 2020-06-02
Abstract: 本申请的实施例提供一种柔性屏幕的显示方法及电子设备，涉及终端技术领域，可根据柔性屏幕的物理状态重新布局显示界面中的各个控件，使得用户在观看和使用柔性屏幕时得到较好的体验。该方法包括：当柔性屏幕的第一屏幕和柔性屏幕的第二屏幕之间的夹角小于第一预设值或大于第二预设值时，电子设备在第一屏幕和/或第二屏幕中显示第一界面；当第一屏幕和第二屏幕之间的夹角在所述第一预设值和所述第二预设值构成的闭区间内时，电子设备确定所述第一界面中的操作控件和非操作控件；电子设备在第一屏幕中显示第二界面，所述第二界面中包括所述操作控件；并且，电子设备在第二屏幕中显示第三界面，所述第三界面中包括所述非操作控件。
Patent WO-2020244620-A1 (WO)
Title: 一种车载多温自动共配冷藏柜
Inventor: LI JIN
IPC: B65D25/02
Filed: 2020-06-05
Abstract: 一种车载多温自动共配冷藏柜，包括柜体（1），柜体（1）侧壁开设有若干放置槽一（5）以及若干放置槽二（6），放置槽一（5）与放置槽二（6）均相连通且相互间隔设置，放置槽一（5）的槽底上沿长度方向设置有导轨槽（7），导轨槽（7）上滑移连接有货架（2），放置槽二（6）的槽底设置有升降传送装置（3），货架（2）相对升降传送装置（3）的一侧侧壁上设置有若干储货单元格（4），储货单元格（4）内壁上均设置有保温隔板。
Patent WO-2021212639-A1 (WO)
Title: 快速拆装连接结构及包含它的可快速调节的哑铃
Inventor: WANG YANJUN
IPC: A63B21/072
Filed: 2020-06-22
Abstract: 本实用新型公开了一种快速拆装连接结构及包含它的可快速调节的哑铃。本实用新型的快速拆装连接结构包括能相互卡接的公件结构和母件结构，公件结构包括能卡入母件结构的插接件和与插接件连接的调节舌片，调节舌片具有调节端，调节端能朝向靠近或远离插接件的方向移动，在调节端还设置有限位片，限位片能与母件结构相互卡接。本实用新型的可快速调节的哑铃包括手柄、固定于手柄的两端的连接部和与连接部可拆卸连接的第一铃片，本实用新型的哑铃还包括位于第一铃片与连接部之间的至少一个第二铃片。本实用新型的哑铃整体结构简单，操作方便，便于进行哑铃重量的快速调节。
Patent WO-2021223296-A1 (WO)
Inventor: LI WENQI
IPC: G09F9/30
Filed: 2020-06-22
Abstract: 一种可卷曲显示装置及设备，可卷曲显示装置包括：可卷曲显示面板（100），其包括：驱动部（20），包括至少一连接部（201），连接部（201）包括：走线区域（211），包括多条外部走线，外部走线的一端与显示区域（10）连接；至少一主柔性电路板（25），主柔性电路板（25）与柔性连接器（24）对应；主柔性电路板（25）的宽度小于预设值。
Patent WO-2021114605-A1 (WO)
Inventor: HU JING
IPC: A61K47/69
Filed: 2020-06-23
Abstract: L'invention concerne un médicament thérapeutique ciblant le foie basé sur une substance de structure métallique à base de sucre et son procédé de préparation. Le médicament thérapeutique ciblant le foie est composé de A, B, C et D, A étant choisi parmi un ou plusieurs médicaments chimiothérapeutiques identiques ou différents comme suit : la doxorubicine, le sorafénib et le 5-fluorouracile ; B étant une substance de structure métallique (MOF) dotée d'un photosensibilisateur en guise de bras de liaison ; C représentant un groupe de liaison, le groupe de liaison étant -CO-PEG-CO- ; et D représentant un galactose, ou des molécules de monosaccharide ou d'oligosaccharide contenant un résidu galactosamine.
Patent WO-2021013073-A1 (WO)
Inventor: LUO CHUNXIA
IPC: C12N15/37
Filed: 2020-07-17
Abstract: 本发明涉及嵌合的乳头瘤病毒L1蛋白和编码其的多核苷酸，还涉及HPV病毒样颗粒和其制备方法。所述嵌合的乳头瘤病毒L1蛋白包含衍生于第一型别乳头瘤病毒L1蛋白的N端片段，所述N端片段保持HPV相应型别L1蛋白的免疫原性；和衍生于第二型别乳头瘤病毒L1蛋白的C端片段，所述第二型别乳头状瘤病毒L1蛋白具有相较于其他型别的L1蛋白表达量和可溶性较好的特性；其中所述嵌合的乳头瘤病毒L1蛋白具有HPV相应型别L1蛋白的免疫原性。所述嵌合的乳头瘤病毒L蛋白具有较高的表达量和可溶性，可用于疫苗的大规模生产。
Patent WO-2021063079-A1 (WO)
Title: Procédé et système de circulation financière de chaîne d'approvisionnement de plateforme électronique, équipement terminal et support
Inventor: XIAO GUANGYU
IPC: G06Q20/38
Filed: 2020-07-17
Abstract: Procédé et système de circulation financière de chaîne d'approvisionnement de plateforme électronique, équipement terminal et un support d'enregistrement lisible sur ordinateur. Le procédé consiste à : émettre un certificat numérique de crédit sur une plateforme électronique sur la base de données de crédit autonomes d'un acheteur d'une chaîne d'approvisionnement (S100); et faire circuler le certificat numérique de crédit à un vendeur en amont de la chaîne d'approvisionnement, et exécuter une opération correspondante sur le certificat numérique sur la base du traitement du vendeur (S200).
Patent WO-2022027423-A1 (WO)
Title: Deep learning noise reduction method and system fusing signal of bone vibration sensor with signals of two microphones
Inventor: YAN YONGJIE
IPC: G10L21/0216
Filed: 2020-08-06
Abstract: A deep learning noise reduction method and system fusing a signal of a bone vibration sensor with signals of two microphones. The system comprises a fundamental frequency and voiceprint feature extraction module, a spatial orientation feature extraction module, and a fusion module based on a deep neural network. The method comprises: extracting, from a signal of a bone vibration sensor, a fundamental frequency and a voiceprint feature of a voice; extracting a spatial orientation feature of a voice source by using signals of primary and secondary microphones (10, 20); fusing said features, and sending the features to a deep neural network module; and performing prediction by means of the deep neural network module to obtain speech subjected to noise reduction. According to the method and the system, by using the characteristic of the signal of the bone vibration sensor not being subjected to interference from air conduction noise, a bone sensor signal is used as a low-frequency input signal and is sent to a deep neural network together with the signals of the two microphones, so as to perform overall noise reduction and fusion; moreover, the spatial orientation feature of the signals of the two microphones is extracted, and a fundamental frequency and a voiceprint feature of a speaker are extracted from the bone vibration sensor, thereby obtaining a high-quality low-frequency signal, greatly improving the prediction accuracy of the deep neural network, and making a noise reduction effect better.
Patent WO-2021023269-A1 (WO)
Inventor: LING BIN
IPC: B61D3/16
Filed: 2020-08-06
Abstract: Disclosed is a steel ingot insulated van, wherein two first guide positioning devices (3) of the steel ingot insulated van are provided, and the two first guide positioning devices (3) are respectively arranged on two opposite sides of the top of a van body (1); an insulation cover (2) operably covers the top of the van body (1); two second guide positioning devices (4) are provided, and the two second guide positioning devices (4) are respectively arranged on two opposite sides of the insulation cover (2); and the second guide positioning devices (4) and the first guide positioning devices (3) are arranged in a one-to-one-correspondence manner, and the second guide positioning devices (4) can cooperate with the corresponding first guide positioning devices (3) so as to rapidly cover the top of the van body (1) with the insulation cover (2).
Patent WO-2021031900-A1 (WO)
Title: Flow-velocity-resistant ecosystem conservation and flow discharging apparatus
Inventor: SUN ZHIZHONG
IPC: A01K61/60
Filed: 2020-08-10
Abstract: Disclosed is a flow-velocity-resistant ecosystem conservation and flow discharging apparatus, comprising an apparatus body, the apparatus body comprising a cultivation net cage and a plurality of air buoyancy bins fixedly arranged on the periphery of the cultivation net cage, the interiors of the air buoyancy bins are provided with bin partition plates, the buoyancy bins are divided into independent air bin units by means of the bin partition plates, the tops of the air bin units are provided with detection doors, the bottom of each of the air buoyancy bins is fixedly connected with a framework composed of a plurality of joists that are fixed connected transversely and vertically, mesh panels are fixedly connected among the frameworks, the mesh panels are welded in a full and continuous manner to form the cultivation net cage, water pumps are arranged at the joints between the periphery of the cultivation net cage and the air buoyancy bins, a plurality of water pumping ports are provided on each of the air buoyancy bins, the middle of the cultivation net cage is provided with a screw rod lifting system, the screw rod lifting system comprises a screw rod and an electric hoist, flow discharging systems are arranged on the air buoyancy bins, the flow discharging systems comprise flow discharging channels, and the interiors of the channels are fixedly provided with photographic and counting systems. The present invention is firm in structure, suitable for cultivation of various aquatic organisms in various water areas, convenient to use, and high in cultivation safety.