baber/WOPTO huggingface dataset:
Patent WO-2022036955-A1 (WO)
Inventor: JIN HAIOU
IPC: H04R7/04
Filed: 2020-12-15
Abstract: A full frequency band high sound quality planar resonant loudspeaker provided with a sound beam and a sound tunnel, the loudspeaker comprising a diaphragm, which has a planar shape, an outer edge of which is combined with an outer frame of the loudspeaker by means of an elastic connector, and a middle part of which is disposed corresponding to a sound source; at least one surface of the diaphragm is provided with a first groove and a second groove, and the two grooves cross and are linked to one another, so as to divide the surface of the diaphragm into four resonance regions; the diaphragm is also provided with a sound beam assembly at the center of the same side surface provided with the two grooves, the sound beam assembly comprising a plurality of strip sound beam members, and the strip sound beam members being provided in pairs on both sides of the first groove and on both sides of the second groove; and the two grooves each form sound tunnels on the surface of the diaphragm. The present invention changes the diaphragm from the previous free vibration mode to the current standard vibration mode, and, from the perspective of vibration, resonance, and sound generation, solves the problem in which a high tone area of a planar resonant speaker is not bright and a low tone area is not thick and smooth enough. It has been proved in practice that the described improved design solution has prominent substantive features and significant technological advancement.
Patent WO-2022126416-A1 (WO)
Inventor: FANG LIJUAN
IPC: A61K48/00
Filed: 2020-12-16
Abstract: 一种抗BCMA的抗体或其抗原结合片段，其用于治疗或预防肿瘤中的应用。
Patent WO-2022134042-A1 (WO)
Inventor: LI ZHI
IPC: H03K19/0175
Filed: 2020-12-25
Abstract: Provided is a signal driving system with a constant slew rate. The signal driving system comprises: a step voltage generation unit, which is configured to be used for providing multiple voltage signals that progressively change at equal differences; a multiplexer, wherein one input end of the multiplexer is connected to the step voltage generation unit so as to receive the multiple voltage signals that progressively change at equal differences, and the other input end of the multiplexer is connected to a control signal generation unit, and is configured to be used for selectively outputting, under the control by a control signal sent by the control signal generation unit, the multiple voltage signals that progressively change at equal differences; a voltage following unit, which is connected to the multiplexer, and plays a role in isolation and improves driving capability; and an output following unit, which is connected to the voltage following unit and is configured to be used for driving a load unit connected later.
Patent WO-2021129880-A1 (WO)
Title: Appareil d'imagerie par résonance magnétique
Inventor: GUAN XIAOLEI
IPC: A61B5/055
Filed: 2020-12-28
Abstract: L'invention concerne un appareil de résonance magnétique (100, 800, 1100). L'appareil à résonance magnétique (100, 800, 1100) peut comprendre au moins un processeur (120, 210, 310, 710). Le ou les processeurs (120, 210, 310, 710) peut être configuré pour obtenir un état de fonctionnement de l'appareil de résonance magnétique (100, 800, 1100) ; et sélectionner, à partir de deux dispositifs d'alimentation électrique ou plus (700), un dispositif d'alimentation électrique (700) pour fournir de l'énergie pour au moins une bobine (202, 203, 740, 880, 881, 882, 1110) de l'appareil de résonance magnétique (100, 800, 1100) en fonction de l'état de fonctionnement de l'appareil de résonance magnétique (100, 800, 1100). Le ou les processeurs (120, 210, 310, 710) peut être configuré pour obtenir, par l'intermédiaire d'un composant de relais (910, 1120, 1600) relié à une section de bobine (1111, 1500), des informations de mouvement d'au moins un composant de la section de bobine (1111, 1500) ; et générer, sur la base des informations de mouvement, des instructions de commande pour ajuster des paramètres de communication d'un premier module de communication directionnel de la section de bobine (1111, 1500) et d'un second module de communication directionnel du composant de relais (910, 1120, 1600).
Patent WO-2022141111-A1 (WO)
Inventor: LU CHENGFU
IPC: G05D1/08
Filed: 2020-12-29
Abstract: 一种无人飞行器的控制方法，包括：响应于用户的模式切换操作，切换至第一控制模式或第二控制模式(S110)；响应于控制终端的操控部件的位置调整，调整无人飞行器在操控部件对应的操控方向上的位置或姿态(S120)；在第二控制模式时，若无人飞行器在操控方向上处于初始状态且操控部件处于第二初始位置，控制无人飞行器在对应的操控方向上保持位置或姿态不变；在第二控制模式时，至少一个操控部件不能够自动回到第一控制模式的第一初始位置。本申请能够提高安全性。还提供了无人飞行器及其控制装置、控制终端和存储介质。
Patent WO-2021136471-A1 (WO)
Title: Uplink transmission method, computer-readable storage medium and distributed multi-antenna system
Inventor: WU TAO
IPC: H04L25/03
Filed: 2020-12-31
Abstract: An uplink transmission method that combats inter-carrier interference, a readable storage medium and a distributed multi-antenna system, as well as a method for combining and optimizing a matrix coefficient of an inter-carrier interference self-cancellation coding matrix and a degree distribution coefficient of rate-free coding. The combined optimization method is applied to a distributed multi-antenna system that uses orthogonal frequency division multiplexing technology under a block fading channel. The method comprises: according to statistical information of a channel state and external information transfer analysis of a decoding process, and with the aim of maximizing the system transmission rate, determining an optimization problem of combining and optimizing a matrix coefficient and a degree distribution coefficient; and seeking a solution to the optimization problem, and obtaining an optimized matrix coefficient and degree distribution coefficient.
Patent WO-2022141586-A1 (WO)
Title: Signal switching structure and hardware-in-loop simulation testing system
Inventor: WANG HUI
IPC: H01R31/06
Filed: 2020-12-31
Abstract: A signal switching structure (02) and a hardware-in-loop simulation testing system, relating to the technical field of test equipment. The signal switching structure (02) comprises: a first wiring board (11) and a second wiring board (12) which are arranged in a stacked manner, and metal wires (6) are formed on both the first wiring board (11) and the second wiring board (12); the metal wires (6) on the first wiring board (11) are adapted to be connected to pins on a first wiring terminal (α), and the metal wires (6) on the second wiring board (12) are adapted to be connected to pins on a second wiring terminal (β). The first wiring board (11) is provided with a plurality of first openings (21), and the second wiring board (12) is provided with a plurality of second openings (22). Any sleeve is made of a conductive material; a first sleeve (41) is fitted in any first opening (21), and a second sleeve (42) is fitted in any second opening (22); the metal wires (6) on the first wiring board (11) are connected to the first sleeves (41); the metal wires (6) on the second wiring board (12) are connected to the second sleeves (42); a conduction member (3) can axially move along the first sleeve (41) and the second sleeve (42) which are communicated with each other, so that the first sleeve (41) and the second sleeve (42) are connected or disconnected.
Patent WO-2022036999-A1 (WO)
Inventor: LUO FEILONG
IPC: A47J36/06
Filed: 2021-01-06
Abstract: 一种烹饪器具的盖体及具有盖体的烹饪器具，烹饪器具(1000)的盖体(100)包括：上盖(6)；下盖(7)，下盖(7)设在上盖(6)的下侧，上盖(6)与下盖(7)密封连接且配合限定出蒸汽腔(5)，其中，上盖(6)与下盖(7)可拆卸连接。
Patent WO-2021258734-A1 (WO)
Title: 博弈条件下基于低截获性能的组网雷达最优波形设计方法
Inventor: SHI CHENGUANG
IPC: G01S7/38
Filed: 2021-02-01
Abstract: 本发明公开了一种博弈条件下基于低截获性能的组网雷达最优波形设计方法，首先获取目标相对组网雷达系统中各雷达节点的频率响应、环境杂波功率谱密度、干扰波形以及环境噪声功率谱密度；然后以最小化博弈条件下组网雷达系统的总辐射能量为优化目标，以满足预先设定的目标参数估计性能互信息阈值为约束条件，建立博弈条件下基于低截获性能的组网雷达最优波形设计模型，自适应优化设计各雷达节点的发射波形；通过利用卡罗需-库恩-塔克必要条件迭代求解该优化模型，得到在满足预先设定的目标参数估计性能条件下的各雷达发射波形作为最优解，从而在满足预先设定的目标参数估计性能约束下，有效提升二元零和博弈条件下组网雷达系统的低截获性能。
Patent WO-2022165868-A1 (WO)
Title: 一种下调衰老相关分泌表型的抗衰老植物多酚类药物及其应用
Inventor: SUN YU
IPC: A61P25/00
Filed: 2021-02-23
Abstract: 一种药物组合物，其包含(a)原花青素或其药学上可接受的盐、水合物或前药，和(b)能诱导对象产生衰老细胞的试剂，和任选的药学上可接受的辅料。原花青素或其药学上可接受的盐、水合物或前药及该药物组合物在制备用于下述的药物或制剂中的用途：下调衰老相关分泌表型(SASP)、降低SASP因子的表达或活性、降低细胞衰老标志性因子的表达或活性、诱导非增殖态细胞凋亡、减少或消除非增殖态细胞、延缓衰老、延长对象寿命、减少对象的年龄相关疾病负担、预防、缓解和治疗受益于非增殖态细胞减少或消除的疾病、降低对癌症疗法的耐药性、增强能诱导细胞衰老的试剂的功效、促进肿瘤消退、减小肿瘤体积、预防或治疗癌症、或延长癌症存活期，尤其是前列腺癌或肿瘤。
Patent WO-2021185100-A1 (WO)
Inventor: DING MING
IPC: H04W36/14
Filed: 2021-03-05
Abstract: 本说明书涉及移动通信技术领域，具体涉及一种网络接入系统、方法及终端。该系统包括4G接入网设备、5G接入网设备和终端；其中，5G接入网设备不支持VoNR，和/或，5G接入网设备对应的5G核心网设备不支持VoNR；当终端驻留在5G接入网设备提供的网络中，且终端进行语音业务时，5G接入网设备可通过EPS回落程序指示终端连接到4G接入网设备，以使终端通过4G接入网设备进行该语音业务；当该语音业务结束，且终端和4G接入网设备保持RRC连接时，终端主动向4G接入网设备发送测量报告，以使终端重新连接到5G接入网设备。在该系统中，当EPS回落的语音业务结束，且终端处于4G网络下的连接态时，终端可主动向网络侧发送测量报告，以期尽快返回到5G网络。
Patent WO-2022193283-A1 (WO)
Title: Electrochemical device and electronic device
Inventor: SU JUNMING
IPC: H01M4/02
Filed: 2021-03-19
Abstract: An electrochemical device and an electronic device. The electrochemical device comprises a positive electrode plate and a negative electrode plate. The positive electrode plate comprises a positive electrode active material layer, and the negative electrode plate comprises a negative electrode active material layer, the area of the positive electrode active material layer being Sc and the area of the negative electrode active material layer being Sa. The positive electrode active material layer, which has a first test area of S1, has a molar content of lithium of nLic and a molar content of the transition metal Me of nMec, and the negative active material layer, which has a second test area of S2, has a molar content of lithium of nLia, wherein S2=S1×Sa/Sc and nLi＝nLic+nLia; and the ratio of nLi/nMec satisfies the relationship of 1.05≤nLi/nMec≤1.3. The electrochemical device and the electronic device can reduce the loss of active lithium ions provided by the positive electrode material during the first cycle, increase the capacity performance of the positive electrode active material and increase the energy density of the electrochemical device.
Patent WO-2022077862-A1 (WO)
Inventor: WANG PEITAO
IPC: C08K5/098
Filed: 2021-03-22
Abstract: 本发明公开了一种PMMA/离聚体/PC三元合金，按重量份计，包括以下组分：羧酸基离聚体5-60份；聚碳酸酯5-95份；PMMA1-35份。通过三种树脂的复配，不仅能够明显改善PMMA/PC合金的珠光缺陷，而且三元合金具有低成型应力的优点，有利于制备结构复杂的高韧性产品。
Patent WO-2021197218-A1 (WO)
Inventor: SHENG BIN
IPC: G01S5/02
Filed: 2021-03-26
Abstract: An electronic device, a positioning method and a non-transient computer-readable storage medium. The electronic device comprises a processing circuit. The processing circuit is configured to: send address codes of a plurality of beacon tag devices to successively activate the beacon tag devices near an electronic device (S1601); obtain tag configuration information from each activated beacon tag device, and obtain address codes of positioning tag devices in an area where the beacon tag device is located according to the tag configuration information (S1602); send the obtained address code of each positioning tag device to activate the corresponding positioning tag device (S1603); and obtain a reflected reference signal obtained by each activated positioning tag device reflecting a radio-frequency reference signal, and position the electronic device with the reflected reference signal (S1604). When the electronic device is in an environment where there is no direct line of sight to a base station, such as indoors, the electronic device can also be positioned accurately.
Patent WO-2022204895-A1 (WO)
Inventor: LUO PENGFEI
IPC: G01S7/48
Filed: 2021-03-29
Abstract: 本申请提供了一种获取深度图的方法、装置、计算设备和可读存储介质，属于图像技术领域。该方法包括：对被测物体的多个调制频率的裸数据进行下采样处理，获得第一分辨率的深度图，每个调制频率的裸数据为TOF系统对被测物体测距时在每个调制频率下多次曝光获得，第一分辨率的深度图为被判定为像素不存在异常解缠系数的深度图，TOF系统像素阵列的分辨率为第二分辨率，第一分辨率低于第二分辨率，使用第一分辨率的深度图和第二分辨率的各像素的相位延迟值，获得第二分辨率的各像素的解缠系数；使用第二分辨率的各像素的解缠系数和第二分辨率的各像素的相位延迟值，获得被测物体对应的第二分辨率的目标深度图。采用本申请，提升深度图的准确率。
Patent WO-2021218556-A1 (WO)
Title: 信息展示方法、装置和电子设备
Inventor: CHENG BIN
IPC: H04N21/4788
Filed: 2021-03-31
Abstract: 本公开的实施例公开了信息展示方法、装置和电子设备。该方法的一具体实施方式包括：接收多媒体的信息流，信息流包括多媒体数据流和用户根据多媒体的信息内容发送的交互信息；确定交互信息对应的数据类型，数据类型包括表情数据类型、聊天数据类型；响应于确定在展示多媒体数据流的展示界面上展示交互信息，在展示界面上、与数据类型对应的交互信息展示区域展示交互信息；交互信息展示区域包括：聊天信息展示区域、表情信息展示区域。简化了用户可以在同一时刻获得较多相同相同类型的聊天数据的信息，可以改善用户的体验。
Patent WO-2022073336-A1 (WO)
Inventor: CHEN YOUYOU
IPC: G06Q20/38
Filed: 2021-04-27
Abstract: 一种安全支付方法，包括：客户端在进行交易支付时，首先将包括加密后的用户唯一标识的用户支付标识发送给服务端进行认证；服务端根据预先存储的身份认证信息对所述用户支付标识进行认证并通过之后，将所述用户支付标识在服务端再次进行加密生成服务端支付标识，并生成随机键盘码，将所述服务端支付标识以及成随机键盘码传输给客户端；所述客户端通过了所述服务端支付标识的认证之后，根据所述随机键盘码生成支付键盘，供用户输入支付信息。还提出一种安全支付装置（100、200）、电子设备（1）以及存储介质。此外，还涉及区块链技术，所述身份认证信息可存储于区块链中。可以提高支付的安全性。
Patent WO-2021233192-A1 (WO)
Title: Radio link control state report method and corresponding apparatus
Inventor: FAN QIANG
IPC: H04W28/02
Filed: 2021-05-13
Abstract: Provided are a radio link control state report method and a corresponding apparatus, which are used for improving the reliability of data transmission. The method comprises: a sending side receiving an RLC state report from a receiving side, wherein the RLC state report includes at least one piece of state information, each piece of state information in at least one piece of state information is used for indicating the receiving situation of one or a plurality of consecutive RLC service data units (SDUs) which are not successfully received, and in the RLC state report, the at least one piece of state information is sequentially arranged in ascending order according to the sequence numbers (SNs) of the RLC SDUs; and if the last piece of state information in the RLC state report indicates that partial data of a first RLC SDU is lost, the sending side determining, according to the RLC state report, whether the receiving situation of the first RLC SDU is completely embodied in the RLC state report.
Patent WO-2021238774-A1 (WO)
Title: Communication method and apparatus
Inventor: YAN LE
IPC: H04W76/15
Filed: 2021-05-20
Abstract: Disclosed are a communication method and apparatus, which solve the problem of service interruptions caused by an RLF of a first primary cell when a PSCell is added for a terminal device. The method comprises: before a cell that meets a primary secondary cell addition condition is determined according to CPA information, or before the cell that meets the primary secondary cell addition condition is not successfully accessed after the cell that meets the primary secondary cell addition condition is determined, if an RLF of a first primary cell is detected, determining a target cell, and adding the target cell as a target primary secondary cell, or, performing an RRC reestablishment process on the target cell, or deleting/releasing the first primary cell, and then taking the target cell as a second primary cell, wherein the target cell may be the cell that meets the primary secondary cell addition condition, or a cell selected by a terminal device according to an S criterion or other selection conditions. The solution of the present application can be widely applied to the technical field of communications, as well as fields such as artificial intelligence, the Internet of Vehicles and smart home networking.
Patent WO-2022022094-A1 (WO)
Title: 显示面板及显示装置
Inventor: ZHANG YAFEI
IPC: G02F1/1333
Filed: 2021-06-10
Abstract: 本公开提供一种显示面板及显示装置，属于显示技术领域。本发明的显示面板，其包括显示背板和天线结构；其中，所述显示面板还包括设置在所述天线结构靠近显示面板出光面一侧的频率选择表面；所述频率选择表面，用于对特定频率的电磁波进行透射，以增强所述天线结构的辐射增益。
Patent WO-2022022196-A1 (WO)
Inventor: LIU RENPENG
IPC: H04N21/4788
Filed: 2021-06-28
Abstract: Provided are a bullet screen posting method, a bullet screen displaying method and an electronic device, which relate to the technical field of networks. The bullet screen posting method comprises: determining a second bullet screen provided by a user account regarding a first bullet screen of a target work; and posting the second bullet screen, wherein the second bullet screen is used for being displayed, in association with the first bullet screen, in a bullet screen display interface of the target work. The bullet screen displaying method comprises: acquiring a first bullet screen of a target work and a second bullet screen associated with the first bullet screen; and displaying, in an association manner, the second bullet screen and the first bullet screen in a bullet screen display interface of the target work.
Patent WO-2022174543-A1 (WO)
Inventor: WU BIN
IPC: G06F30/33
Filed: 2021-06-30
Abstract: A design rule checking (DRC) method and apparatus (300, 400), and a storage medium, applied to the field of chip verification. The method comprises: obtaining a DRC code file (101); parsing multiple segments of DRC codes in the DRC code file, and classifying the parsed multiple segments of DRC codes (102); determining whether there is a code conflict in the multiple segments of DRC codes (103); and if there is a code conflict, generating a code conflict report, the code conflict report being used for indicating a code position where the code conflict exists (104). By means of the method, code errors in the DRC code file can be quickly checked and positioned, a tester is assisted to correct a DRM file and a DRC file, the execution efficiency of the DRC codes is improved, and moreover, the DRC development time is shortened.
Patent WO-2022022227-A1 (WO)
Inventor: Yu Mochen
IPC: G05D1/02
Filed: 2021-07-02
Abstract: La présente invention concerne un dispositif de mesure de distance qui est appliqué à un aspirateur robot et comprend : une source de signal disposée à proximité du bord de l'extrémité avant de la surface inférieure de l'aspirateur robot et émettant un signal de détection conique à un angle prédéfini ; un premier récepteur de signal disposé à proximité d'une première position de la source de signal et utilisé pour recevoir un signal réfléchi d'un signal de détection réfléchi par le sol, la première position étant située à une position correspondante lorsque la zone de projection du signal de détection conique sur le sol est maximale ; et un second récepteur de signal disposé à proximité d'une seconde position du premier récepteur de signal et utilisé pour recevoir un signal réfléchi du signal de détection réfléchi par une surface de paroi, la seconde position étant située à une position correspondante lorsque la zone de projection du signal de détection conique sur la surface de paroi est maximale.
Patent WO-2022048380-A1 (WO)
Inventor: GUO DEFEN
IPC: G02B27/09
Filed: 2021-08-03
Abstract: An optical assembly, a photonic integrated chip (100) and a coupling structure (200) thereof. The coupling structure (200) has a coupling end face (E) for coupling with an external single-mode optical fiber (300) and comprises: a substrate (101), and a chip waveguide (20) and a polymer waveguide (10) which are arranged on the substrate (101), with the polymer waveguide (10) being adjacent to the coupling end face (E), wherein the polymer waveguide (10) comprises a conventional polymer waveguide (12) and a first reverse wedge structure (11) connected to each other; the tip of the first reverse wedge structure (11) is located at the coupling end face (E); and the conventional polymer waveguide (12) is partially overlapped with the chip waveguide (20), and the chip waveguide (20) and the polymer waveguide (10) are optically coupled to each other. The coupling structure (200) uses the polymer waveguide (10) having the first reverse wedge structure (11), the refractive index difference between the polymer waveguide (10) and a cladding layer of the polymer waveguide can be within a large range so as to increase the selection range of refractive index of the polymer waveguide (10) and reduce the process requirements, the size of the polymer waveguide (10) can be reduced, and coupling loss between the polymer waveguide (10) and the single-mode optical fiber (300) is reduced.
Patent WO-2022042323-A1 (WO)
Inventor: MA YU
IPC: H04B7/0456
Filed: 2021-08-12
Abstract: Embodiments of the present application provide a precoding matrix indicator determination method, a terminal device, and a storage medium. The precoding matrix indicator determination method comprises: downsampling a set of original codebooks at a preset dimension to obtain a set of downsampled codebooks, all the codebooks comprised in the set of original codebooks corresponding to the preset dimension; determining, from the set of downsampled codebooks, a downsampled codebook satisfying a preset channel condition; and determining a target codebook from the set of original codebooks according to the downsampled codebook, and determining a target precoding matrix indicator according to the target codebook.
Patent WO-2022088960-A1 (WO)
Title: Display panel and display apparatus with same
Inventor: SHI BO
IPC: G06K9/00
Filed: 2021-09-01
Abstract: A display panel (100) and a display apparatus (1000) with same. The display panel (100) is provided with a pre-set area (101), wherein a non-display side of the pre-set area (101) is adapted for the provision of a transmission sensor (201) and a receiving sensor (202) of a time-of-flight apparatus (200); and light emitted from the transmission sensor (201) is adapted for being transmitted from the pre-set area (101) to a display side of the display panel (100), and being reflected by an object subjected to measurement that is on the display side back to the non-display side of the display panel (100), so as to be received by the receiving sensor (202). The display panel (100) comprises: a base layer (11), an organic light-emitting device layer (12) and an anti-reflection layer (13), wherein the organic light-emitting device layer (12) is arranged on a display side of the base layer (11); and the anti-reflection layer (13) comprises at least one layer, and is arranged between the base layer (11) and the organic light-emitting device layer (12), and at least part of the anti-reflection layer (13) is arranged opposite to the pre-set area (101) in the thickness direction of the display panel (100).
Patent WO-2022048574-A1 (WO)
Inventor: ZHANG HUA
IPC: C12N15/86
Filed: 2021-09-01
Abstract: Provided are a nucleic acid molecule encoding a Kras gene mutant and an application of an oncolytic herpes simplex virus (oHSV) vector containing said nucleic acid molecule in preparing an anti-tumor drug. The mutant comprises one or more among a Kras G12D mutant, a Kras G13D mutant, a Kras G12V mutant, a Kras G13C mutant, a Kras G12C mutant, a Kras G13A mutant, a Kras G12A mutant, a Kras Q61L mutant, a Kras G12R mutant, a Kras Q61H, a Kras G12S mutant, a Kras Q61R mutant, a Kras A59T mutant, a Kras A146T mutant, a Kras Y64H mutant, and a Kras A18D mutant.
Patent WO-2023284106-A1 (WO)
Title: Procédé d'encollage à fonction de dégommage
Inventor: SHI ZHENGPING
IPC: B32B38/10
Filed: 2021-09-17
Abstract: La présente invention a trait au domaine technique des nouveaux équipements énergétiques, et concerne en particulier un procédé d'encollage doté d'une fonction de dégommage, consistant : avant l'encollage, à placer un élément de décapage dans une zone d'encollage prédéfinie, au moins une extrémité de l'élément de décapage s'étendant hors de la zone d'encollage ; et à appliquer de la colle sur la zone d'encollage prédéfinie de sorte que la colle recouvre la partie de l'élément de décapage positionnée dans la zone d'encollage. Le procédé d'encollage selon l'invention présente une fonction de dégommage, réduisant la difficulté de désassemblage de colle, tout en évitant les dommages causés par un désassemblage forcé, réduisant les déchets et augmentant l'efficacité de récupération d'énergie.