baber/WOPTO huggingface dataset:
Patent WO-2020011170-A1 (WO)
Title: Alkali aluminosilicate glass composition and preparation method therefor employing two-step chemical fortification
Inventor: LIANG XINHUI
IPC: C03C21/00
Filed: 2019-07-09
Abstract: Disclosed are an alkali aluminosilicate glass composition and a preparation method therefor employing two-step chemical fortification. The alkali aluminosilicate glass composition comprises the following by mole percentage: 53-65% of SiO  2 , 16-22% of Al  2 O  3 , 0.01-0.5% of B  2 O  3 , 4-8% of Li  2 O, 8-14% of Na  2 O, 0.01-1% of K  2 O, 0.01-3% of MgO, 0-1% of ZnO, 0-4% of P  2 O  5 , and 0-0.1% of SnO  2 ; Lithium and phosphorus are incorporated into the glass by means of a glass optimizing formula, and two-step chemical fortification is performed, such that the glass has a higher surface compressive stress and a deeper ion exchange layer, thereby increasing the surface hardness, scratch resistance and fall resistance of the glass.
Patent WO-2020015627-A1 (WO)
Title: Image sensor, mobile terminal, and image photographing method
Inventor: WANG DANMEI
IPC: H04N5/225
Filed: 2019-07-16
Abstract: Provided are an image sensor, a mobile terminal and an image photographing method. A pixel array of the image sensor comprises a pre-set number of pixel units, wherein the pixel unit comprises a first pixel and a second pixel in full pixel dual core focus, the first pixel comprises red, green and blue sub-pixels, and the second pixel comprises at least one of red and blue sub-pixels, and green and infrared sub-pixels; the positions of the infrared sub-pixels in the second pixel are the same as those of the red sub-pixels, the green sub-pixels, the blue sub-pixels, and a first combination or a second combination of sub-pixels in the first pixel, and the first combination of sub-pixels comprises adjacent 1/2 red and green sub-pixels; and the second combination of sub-pixels comprises adjacent 1/2 green and blue sub-pixels; or the positions of 1/2 infrared sub-pixels in the second pixel are the same as those of the 1/2 red sub-pixels, the 1/2 green sub-pixels or the 1/2 blue sub-pixels in the first pixel, and the 1/2 infrared sub-pixels in two adjacent second pixels form an infrared sub-pixel.
Patent WO-2020191973-A1 (WO)
Inventor: ZHU CHEN
IPC: G06F3/0488
Filed: 2019-07-26
Abstract: Methods and systems are provided for adjusting parameters using a vehicle touch screen. In one embodiment, a method includes determining an initial touch position of an external touch operation when the external touch operation is detected. A movement trajectory and final disengagement position of the external touch operation may then be detected. The movement trajectory need not be limited to an area covered by a parameter adjustment control. The parameter adjustment control may then be adjusted to a final parameter value according to the initial touch position, the final disengagement position, and the movement trajectory.
Patent WO-2020025041-A1 (WO)
Title: Method and apparatus of enhanced intra block copying mode for video coding
Inventor: CHEN CHUN-CHIA
IPC: H04N19/513
Filed: 2019-08-02
Abstract: A method and apparatus of Inter prediction for video coding including IBC (Intra Block Copy) coding tool are disclosed. According to one method, a current permitted band inside the current picture for the current block is identified. A target IBC candidate is selected, where a target block vector of the target IBC candidate points from the current block to a target reference block in the current picture. An adjusted candidate list is generated by taking into account of the target IBC candidate and the current permitted band. The current motion information associated with the current block is encoded using the adjusted candidate list at the video encoder side or decoded using the adjusted candidate list at the video decoder side using the adjusted candidate list. In another method, a syntax for a target MVD (Motion Vector Difference) is decoded without sign information or with reduced sign information of the target MVD.
Patent WO-2020052381-A1 (WO)
Title: Driving and image acquisition method applied to under-screen imaging, storage medium, and electronic device
Inventor: CHEN ZONGWEN
IPC: G06K9/00
Filed: 2019-08-07
Abstract: Disclosed are a driving and image acquisition method applied to under-screen imaging, a storage medium, and an electronic device. The driving method comprises: lighting up pixel points in a plurality of separate point light source regions of a display panel, wherein the point light source regions are arranged in an array and are spaced apart by non-light-emission pixel points; and acquiring, by means of a photoelectric sensor, light rays totally reflected by a transparent cover plate from the pixel points, wherein the display panel and the photoelectric sensor are placed below the transparent cover plate. In the driving method of the present invention, compared with the prior art, pixel points in a plurality of point light source regions are simultaneously lighted up, such that a large quantity of image information can be acquired each time, thereby improving the imaging efficiency. Since a plurality of pixel points form one point light source, the brightness of the point light source is improved, and the quality of imaging of an optical image under a lensless screen is improved.
Patent WO-2020038233-A1 (WO)
Inventor: CHEN GONG
IPC: A61B17/00
Filed: 2019-08-07
Abstract: 一种蛇形手术器械，包括手持端（1），手持端（1）包括握持结构（11）、腕部结构（14）、操控结构（12）及可拆卸地连接至握持结构（11）的可换器械（2），无菌袋（100）可移除地包覆在握持结构（11）的外表面上，无菌袋（100）具有依次连接且连通的手腕端套环（110）、无菌袋本体（120）和器械端套环（130），无菌袋（100）包覆在握持结构（11）的外表面时，无菌袋（100）的手腕端套环（110）将操控结构（12）与腕部结构（14）之间的连接进行密封，器械端套环（130）将可换器械（2）与手持端（1）之间的连接进行密封。通过套在握持结构（11）上的无菌袋（100），可以实现对腕部结构（14）与操控结构（12）连接的密封，及对可换器械（2）与手持端（1）的连接进行密封，从而使得手术过程中，手持端（1）能够处于无菌状态，避免术后消毒灭菌，及避免对手持端（1）中的内部元器件造成损坏。
Patent WO-2020035003-A1 (WO)
Title: Spectrometer and spectrum detection analysis method using same
Inventor: MENG XIANQIN
IPC: G01N21/01
Filed: 2019-08-14
Abstract: A spectrometer (10) and a spectrum detection analysis method executed using the spectrometer (10). The spectrometer (10) comprises an optical device (100) and a detection device (200), wherein the optical device (100) comprises at least one filter (130), each filter (130) comprises at least two filter units (130a, 130b, 130c), so that the optical device (100) can emit at least two kinds of monochromatic light. The detection device (200) comprises at least one detector (220), and each detector (220) comprises at least two detection units (220a, 220b, 220c), at least two detection units (220a, 220b, 220c) and at least two filter units (130a, 130b, 130c) in a corresponding filter (130) face each other one to one. The monochromatic light emitted from the filter units (130a, 130b, 130c) exits in a direction perpendicular to a light exiting surface (110b).
Patent WO-2020057440-A1 (WO)
Inventor: HE DEYU
IPC: B25J9/16
Filed: 2019-09-12
Abstract: An assembling method, an assembling apparatus and an assembling device (10). The assembling method comprises: on the basis of an obtained first image of an assembling member (B) and a member to be assembled (A) in combination with obtained parameter information related to assembling, generating a first instruction directed to a manipulator by means of a pre-trained first model; controlling the manipulator (11) by means of the instruction to move to the vicinity of the member to be assembled (A); grabbing the member to be assembled (A); driving the member to be assembled (A) to move to the vicinity of an assembling position of the assembling member (B), and driving the member to be assembled (A) to be assembled at the assembling position. The described assembling method carries out assembling by a machine learning method, and is able to improve the work efficiency and accuracy of assembling.
Patent WO-2020057448-A1 (WO)
Title: 血流动力学参数测量设备及测量方法
Inventor: LI XIAO
IPC: G01G19/50
Filed: 2019-09-12
Abstract: 一种血流动力学参数测量设备（100）及测量方法，设备（100）包括本体（101），阻抗测量装置（102）、以及与阻抗测量装置（102）电连接的微处理器（103），阻抗测量装置（102）包括设在本体（101）上的预设数量的电极对，每个电极对均包括一个激励电极和一个测量电极；微处理器（103）用于根据每个电极对测量得到的人体阻抗脉搏波，从人体阻抗脉搏波中提取用户的脉搏波阻抗特征，根据脉搏波阻抗特征和预设映射关系，获取用户的血流动力学参数；从而实现了测量数据的重复性和一致性。
Patent WO-2020063581-A1 (WO)
Inventor: GENG DAN
IPC: H04B10/27
Filed: 2019-09-24
Abstract: The present disclosure provides a ranging method for an optical network, an OLT, an ONU, and an optical network system. The method comprises: an OLT sending a bandwidth allocation message to an ONU; the OLT receiving a response message sent by the ONU in a first sending mode, the first sending mode including sending power and sending rate; and the OLT performing ranging on the ONU according to the response message.
Patent WO-2020237955-A1 (WO)
Inventor: ZHANG XIAOHONG
IPC: H04R3/00
Filed: 2019-09-29
Abstract: Disclosed are a sound signal processing method, apparatus and device. The method comprises: receiving a first sound signal by means of a first sound receiving apparatus, and receiving a second sound signal by means of a second sound receiving apparatus, wherein there is a corresponding receiving delay constant between the first sound receiving apparatus and the second sound receiving apparatus; at each signal processing moment, performing delay processing on the first sound signal according to the receiving delay constant to acquire a signal correlation coefficient between the first sound signal subjected to the delay processing and the second sound signal; detecting, according to the signal correlation coefficient between the first sound signal subjected to the delay processing and the second sound signal, whether the first sound signal and the second sound signal include coherent noise signals; and when the first sound signal and the second sound signal include the coherent noise signals, filtering out the coherent noise signals from the first sound signal and the second sound signal to acquire a target sound signal at a corresponding signal processing moment and output same.
Patent WO-2020083029-A1 (WO)
Inventor: RAN CHEN
IPC: G06K7/14
Filed: 2019-10-10
Abstract: 一种图形码识别方法，包括：显示目标图像，目标图像中包含至少两个图形码；当接收到对目标图像的图形码识别操作时，获取目标图像中各个图形码的图形码位置信息；根据图形码位置信息，确定图形码识别操作指示的目标图形码；显示目标图形码对应的目标图形码识别结果。
Patent WO-2021035936-A1 (WO)
Inventor: XU WEIHONG
IPC: H02K15/12
Filed: 2019-10-30
Abstract: Provided are an electric heating and rotating immersion paint device and an immersion paint process thereof, wherein the immersion paint device comprises: a support assembly including a frame (11), a bearing seat (2) fixed on the frame (11), and a hollow shaft (5) rotatably arranged on the bearing seat (2), wherein the end of the hollow shaft (5) is fixed with a workpiece ready for trickle immersing; the rotating assembly comprising a driving motor (12) and a transmission mechanism (6), wherein the driving motor (12) drives the hollow shaft (5) to rotate through the transmission mechanism (6); and the heating assembly comprising a power supply, a cable (4), an electric brush sliding ring mechanism (3) and a temperature sensor for measuring the temperature of the workpiece ready for trickle immersing. The immersion paint device and the immersion paint process do not need human and material resources to clean the surface of an iron core before motor assembly, can also provide high controllability and utilization rate during trickling the insulating paint, and have the advantages of no loss, energy conservation, environmental protection and the like, the winding is uniformly heated in the whole process of pre-baking, trickling paint, curing and drying the workpiece, and during trickle immersing the winding is beneficial to permeation of the insulating paint under the action of electromagnetical oscillation, thereby ensuring the immersion quality of the winding.
Patent WO-2020134557-A1 (WO)
Inventor: LI BO
IPC: G06V10/764
Filed: 2019-10-31
Abstract: 本公开实施例公开了一种目标对象检测方法和装置、电子设备和存储介质，其中，方法包括：经神经网络分别提取参考帧和检测帧的特征；其中，所述参考帧为目标对象的检测框图像，所述参考帧的图像大小小于所述检测帧；分别将所述神经网络中至少两个网络层输出的至少二组特征中的每一组特征输入检测器，得到所述检测器对应输出的至少二组检测结果；其中，每一组特征包括所述参考帧的特征和所述检测帧的特征，每一组检测结果包括对应于一组特征的目标对象的多个备选框的分类结果和回归结果；根据所述检测器输出的至少二组检测结果，获取所述检测帧中所述目标对象的检测框。
Patent WO-2021072880-A1 (WO)
Inventor: LIU RENSHI
IPC: G06F11/14
Filed: 2019-11-14
Abstract: A method for asynchronously creating an internal snapshot of a virtual machine, a system, an apparatus and a storage medium, which relate to the technical field of internal snapshots. The method comprises: using a monitoring interface to acquire snapshot command information of a user; performing parameter validity verification of the snapshot command information according to the name of a virtual disk to be snapshotted and an internal snapshot number, and if the snapshot command information passes the parameter validity verification, then creating an internal snapshot coroutine according to the snapshot command information; executing the internal snapshot coroutine, taking an internal snapshot of the virtual disk to be snapshotted, and acquiring internal snapshot data information of the virtual disk; and when the execution of the internal snapshot coroutine is complete, saving the internal snapshot data information and the snapshot command information to a snapshot database. The described method is able to solve the problem in which internal snapshots of virtual disks of traditional virtual machines only support synchronous implementation, and an IO request or out-of-band operation of a virtual machine cannot be responded to during the internal snapshot process.
Patent WO-2021092962-A1 (WO)
Title: Family-type mini flashlight structure
Inventor: Liao lu
IPC: F21L4/08
Filed: 2019-11-16
Abstract: A family-type mini flashlight structure, relating to the technical field of flashlights. The flashlight comprises a cylindrical body (5); a magnetic sticker (2) facilitating magnetic fixation and a slip-resistant layer (4) facilitating gripping are provided on the body (5); one end of the body (5) is rotatably connected to a front cover (1) by means of a connecting block (9), and led lamp beads are provided in the front cover (1); a storage battery is provided in the body (5), the storage battery and the led lamp beads are connected to wires by means of a button (3), and the button (3) is provided on the body (5); one end of the body (5) away from the front cover (1) is provided with an ultraviolet lamp (7), a USB charging interface (6), and a charging port (8); the ultraviolet lamp (7), the USB charging interface (6), and the charging port (8) are connected to the storage battery by means of the wires. The magnetic sticker (2) is provided on the body (5) so as to facilitate fixing the flashlight, the ultraviolet lamp (7) can perform ultraviolet irradiation for fake currency detection, and the function is no longer single; moreover, the storage battery is connected to the USB charging interface (6), so that the flashlight structure cannot only be used as a flashlight but can also be used as a power bank.
Patent WO-2021012559-A1 (WO)
Title: 像素驱动电路和显示面板
Inventor: CAI ZHENFEI
IPC: G09G3/3225
Filed: 2019-11-27
Abstract: 一种像素驱动电路和显示面板,像素驱动电路包括复位单元（B）、补偿单元（C）和驱动单元（A）。复位单元（B）根据第一控制信号（G1）为驱动单元（A）提供复位信号，补偿单元（C）根据数据信号（Vdata）为驱动单元（A）提供补偿信号。驱动单元（A）的第一输入端连接复位单元（B），第二输入端连接补偿单元（C），第三输入端接入第二控制信号（G2），输出端连接第二电源电压（VSS）。
Patent WO-2021051672-A1 (WO)
Inventor: HUANG WEI
IPC: A61H23/02
Filed: 2019-12-11
Abstract: 一种具有智能调节击打功能的筋膜枪，包括：筋膜枪本体(1)和电力装置(2)，筋膜枪本体(1)包括筋膜枪壳体(100)和按摩头(12)，筋膜枪壳体(100)内设置有带有MCU的主线路板(11)、与主线路板(11)电性连接的电机(4)、连接在电机输出轴(40)上的往复机构，电力装置(2)给主线路板(11)提供电力，往复机构设有穿出筋膜枪壳体(100)与按摩头(12)连接的滑动轴(51)，主线路板(11)电性连接有检测筋膜枪工作状态的检测装置，MCU根据检测装置发送的信息控制电机(4)的转速。该装置实现了对击打力度的自动调控，使用方便。
Patent WO-2021119938-A1 (WO)
Title: 混合断路器、混合断路系统及断路方法
Inventor: DU FENG
IPC: H02H9/02
Filed: 2019-12-16
Abstract: 一种混合断路器（100）、混合断路系统及断路方法。所述混合断路器（100）包括：一个第一机械接触（MC 1）；一个半导体断路器（MSS），其连接与所述第一机械接触（MC 1）；一个能量吸收器（AC），其并联于所述半导体断路器（MSS）；一个第二机械接触（MC 2），其连接于所述半导体断路器（MSS）的另一端；一个辅助半导体断路器（ASS），其并联于所述第二机械接触（MC 2）；一个控制器。其中，当电力系统发生接地故障时，所述控制器控制所述半导体断路器（MSS）断开，然后控制所述第二机械接触（MC 2）断开，并且控制所述辅助半导体断路器（ASS）在所述第二机械接触（MC 2）断开之前闭合以及在所述第二机械接触（MC 2）断开后断开，接着控制所述第一机械接触（MC 1）断开。所述混合断路器能够安全操作，并且造价更低。
Patent WO-2020125647-A1 (WO)
Inventor: ZHANG LONG
IPC: H04L1/16
Filed: 2019-12-17
Abstract: The present disclosure relates to a data retransmission method, a device and a system, belonging to the field of data transmission technology. Said method comprises: upon detection of a packet loss event, sending, to a sending end, a retransmission request for a lost data packet; acquiring an RTT, and determining, on the basis of the RTT, a retransmission parameter threshold; and when a retransmission duration has elapsed since the retransmission request was sent, if no data packet is received, sending, to the sending end, a retransmission request for the data packet, updating the RTT, and proceeding to the process of determining the retransmission parameter threshold on the basis of the RTT; and when the numerical value of the retransmission parameter reaches the corresponding retransmission parameter threshold, if no data packet is received, stopping sending a retransmission request for the data packet. The present disclosure can easily shorten the total time consumed by retransmission, avoiding a long wait time for a lost data packet, and improving the flexibility of data transmission.
Patent WO-2021120030-A1 (WO)
Inventor: WANG XUELONG
IPC: H04L1/00
Filed: 2019-12-18
Abstract: Apparatus and methods are provided to support measurement configuration and report for Sidelink Open-loop Power Control for the UE operating V2X Sidelink. In one novel aspect, the first measurement report is based on the comparison with a configured absolute measurement threshold together with a value offset. The succeeding measurement event is configured to be: the actual measured SL RSRP offset is better than the latest measurement report result.
Patent WO-2021056875-A1 (WO)
Inventor: FAN DONGSHENG
IPC: A61J1/03
Filed: 2019-12-20
Abstract: Disclosed is a medicine box, comprising a box body (1), a box cover (2) and a button (3), wherein the box body (1) is divided into a medicine chamber (11) and a switch accommodation cavity (12) by means of a partition plate (101); the rear end of the box cover (2) is connected to the medicine chamber (11), a cover extension portion (21) extends at the front end of the box cover (2) extends, and the cover extension portion (21) is connected to a fastener (211); the button (3) is arranged in the switch accommodation cavity (12), the button (3) is provided with an inverted fastener (31), a support plate (13) is provided in the switch accommodation cavity (12), and the support plate (13) is provided with a bayonet (131) matching the fastener (211); when the medicine box is closed, the box cover (2) covers the medicine chamber (11), the fastener (211) is locked in the bayonet (131), and a side wall of the inverted fastener (31) abuts against the support plate (13); and when the medicine box is opened, the button (3) is pressed, the inverted fastener (31) abuts against the support plate (13), the fastener (211) is unlocked from the bayonet (131), and the box cover (2) is opened. The medicine box is simple in terms of structure and rational in terms of design, and the medicines to be taken by a patient in one week are classified and stored in the medicine box according to the frequency and dose of administration per day, such that the patient only needs to take the medicines according to labels on the box cover (2) of the medicine box, and the medicines in the medicine chambers (11) of the medicine box do not influence one another. The medicine box saves space, is convenient to carry when going out, and is convenient and practical.
Patent WO-2020173205-A1 (WO)
Title: Cmos thin film transistor and method for manufacturing same, and array substrate
Inventor: YAO LEI
IPC: H01L27/12
Filed: 2019-12-25
Abstract: Provided are a CMOS thin film transistor and a method for manufacturing same, and an array substrate. The method for manufacturing a CMOS thin film transistor comprises: forming a semiconductor layer on a base, the semiconductor layer comprising an N-type region and a P-type region arranged spaced apart from each other on the same layer, wherein the N-type region is successively divided into a first region, a second region, a third region, a fourth region and a fifth region and is used for forming an N-type thin film transistor, and the P-type region is successively divided into a sixth region, a seventh region and an eighth region and is used for forming a P-type thin film transistor; carrying out first N-type ion doping on the first region and the fifth region; carrying out first P-type ion doping on the N-type region; carrying out second P-type ion doping on the N-type region and the P-type region; carrying out second N-type ion doping on the first region, the second region, the fourth region, the fifth region, the sixth region and the eighth region; and carrying out third P-type ion doping on the sixth region and the eighth region, wherein the first N-type ion doping and the first P-type ion doping are carried out via the same halftone mask plate. Therefore, a manufacturing process duration can be shortened, and a manufacturing cost can be reduced.
Patent WO-2021017434-A1 (WO)
Title: Application of acanthopanax trifoliatus polysaccharide atp1-1 in preparation of medicines for treating diabetes
Inventor: PAN YUFANG
IPC: A61K31/715
Filed: 2020-01-15
Abstract: Application of an acanthopanax trifoliatus polysaccharide ATP1-1 in the preparation of medicines for treating diabetes. The ATP1-1 is capable of alleviating the symptom of weight loss in diabetic mice, and promoting weight gain of the mice. The ATP1-1 has blood glucose reduction effects on diabetic mice, and may enhance control capabilities over blood glucose and decrease fluctuation of blood glucose. The ATP1-1 may effectively reverse insulin reduction caused by islet damage, may inhibit apoptosis of islet cells, may effectively repair spleen injury, and regulate immune functions of the body.
Patent WO-2020173242-A1 (WO)
Inventor: SU DAOYI
IPC: H01P1/208
Filed: 2020-01-16
Abstract: The present invention relates to a coupled folded substrate integrated waveguide filter, comprising a first metal layer, a first dielectric substrate layer, a second metal layer, a second dielectric substrate layer and a third metal layer, which are longitudinally stacked, the first dielectric substrate layer, the second metal layer and the second dielectric substrate layer are provided with a plurality of metal vias arranged in a U-shape and penetrating up and down, and the first and second dielectric substrate layers are provided with in-line metal vias opposite to the U-shaped opening. The second metal layer is provided with a first gap perpendicular to the U-shaped bottom in the U-shaped vias, a second gap is formed between the edge of one side of the second metal layer and the in-line vias of the first and second dielectric substrate layers, the first and second gaps realize cross coupling of a resonant cavity and energy coupling between upper and lower layers, and the position of the filter transmission zero point on the left and right sides of a passband is adjusted by adjusting the length of the first gap. The invention adopts the folded integrated waveguide resonant cavity of a double-layer coupling structure to realize the miniaturization of the filter; and the position of the filter transmission zero point is controllable by introducing and adjusting the cross coupling structure.
Patent WO-2020156564-A1 (WO)
Inventor: ZHANG YANG
IPC: A61P35/00
Filed: 2020-02-03
Abstract: 公开了一种PD-L1抑制剂，具体公开了作为PD-L1免疫调节剂的式(I)所示化合物、药学上可接受的盐或其异构体。
Patent WO-2020164613-A1 (WO)
Inventor: LUO HAIYAN
IPC: H04W36/00
Filed: 2020-02-14
Abstract: 本申请提供了一种中继通信的方法和装置。第一终端设备从第二终端设备接收用于指示该第二终端设备停止提供第一终端设备和无线接入网设备之间中继服务的指示信息。第一终端设备通过第三终端设备向无线接入网设备发送通知信息通知无线接入网设备该第一终端设备通过该第三终端设备的中继服务接入该无线接入网设备，这样无线接入网设备可以通过第三终端设备与第一终端设备进行通信，从而避免了第一终端设备突然发现第二终端设备无法进行中继，导致第一终端设备与无线接入网设备的通信中断，提高了通信效率。
Patent WO-2021168631-A1 (WO)
Title: 移动终端
Inventor: ZHANG FUKUN
IPC: H04R9/06
Filed: 2020-02-24
Abstract: 本申请涉及一种移动终端，包括：壳体，形成有收容腔和出音口；扬声器组件，设置于收容腔内，由出音口出音。扬声器组件包括喇叭和防尘网，防尘网固定于壳体上，且位于喇叭和壳体之间；喇叭包括用于振动发声的振动膜片，出音口面积占振动膜片有效面积的比例不大于15％；其中，防尘网的网状面积大于出音口的面积，防尘网与壳体及喇叭均间隔设置。本申请移动终端加大了防尘网的网状面积，使声音经防尘网与壳体之间的间隔空间传播至出音口，增加了防尘网的透气面积，减少了热粘滞效应，因而减少了防尘网对声音的衰减影响，增加信噪比，且避免了由于防尘网震动碰撞壳体与喇叭导致异音产生的情况。