baber/WOPTO huggingface dataset:
Patent WO-2019144560-A1 (WO)
Title: Network quality detection method and system
Inventor: HUANG MEIHONG
IPC: H04L12/26
Filed: 2018-06-14
Abstract: Disclosed are a network quality detection method and system, which fall within the technical field of data transmission. The method comprises: a data processing device acquiring a file downloading rate of a first node for the file on a second node in a target period in a pre-set number of historical statistical periods; the data processing device determining a plurality of network quality detection parameters from the first node to the second node in a target time period according to the file downloading rate, wherein the plurality of network quality detection parameters comprise a conventional network speed, a network speed variation amplitude and a network speed lower limit; the data processing device creating a network fluctuation model from the first node to the second node in the target time period according to the plurality of network quality detection parameters and respective pre-set weights, and providing the network fluctuation model to a central scheduling device; and the central scheduling device detecting the network quality from the first node to the second node in the target time period based on the network fluctuation model. By means of the present invention, the cost of detecting the network quality can be reduced.
Patent WO-2019041999-A1 (WO)
Title: Touch control substrate, touch screen, electronic device and touch control method
Inventor: XU RUI
IPC: G06F3/044
Filed: 2018-06-28
Abstract: Provided are a touch control substrate, a touch screen, an electronic device and a touch control method. The touch control substrate (200) comprises a base substrate (200A) and a plurality of touch control units (210) arranged on the base substrate (200A) in an array, wherein each touch control unit of the plurality of touch control units (210) comprises a touch control electrode (211) and a sensing structure (212); the sensing structure (212) and the touch control electrode (211) in each touch control unit (210) are electrically connected to each other; and in response to the touch control electrode (211) being touched, the touch control electrode (211) transmits a voltage to the sensing structure (212), and the sense of touch of the sensing structure (212) changes.
Patent WO-2019210572-A1 (WO)
Title: Fingerprint recognition module used below screen
Inventor: LANG HUANBIAO
IPC: G02F1/13357
Filed: 2018-07-06
Abstract: A fingerprint recognition module used below a screen, comprising a screen component, a miniature backlight illumination system installed below the screen component and an imaging system installed within the miniature backlight illumination system; the screen component is installed above the miniature backlight illumination system, and the screen component comprises a glass cover plate (110), a display screen (120) disposed below the glass cover plate and a light guide plate (130) that is disposed below the display screen (120) and that is used for illuminating a liquid crystal display screen; the light guide plate (130) is disposed above a light guide component (140), and the miniature backlight illumination system comprises the light guide component (140) and a light-emitting component (190) installed on a side surface of the light guide component (140); the imaging system comprises an imaging lens (160) used for imaging and an image sensor (180) that is installed below the imaging lens (160) and that is used for receiving an image. The structure is simple, costs are low, service life is long and reliability is good, meanwhile the module may eliminate black dots caused by local brightness on a display screen not being sufficient due to an opening of a light guide plate and may be used for ordinary LCD touch display screens.
Patent WO-2019109640-A1 (WO)
Title: 一种锁定sim卡的方法及装置
Inventor: ZHUANG BO
IPC: H04W8/18
Filed: 2018-07-10
Abstract: 本发明实施例提供一种锁定 SIM 卡的方法及装置，用于解决现有技术用户设备锁定 SIM 卡方法安全性低的技术问题。所述方法包括：接收对所述用户设备上 SIM 卡进行锁定的指令；为所述 SIM 卡生成一个随机 PIN 码，并采用所述随机 PIN 码更新所述 SIM 卡的原 PIN 码；对所述 SIM 卡的验证参数进行加密处理，生成加密后的验证参数，所述验证参数包括所述随机 PIN 码、所述 SIM 卡的属性参数；将所述加密后的验证参数存储在所述用户设备的存储单元中。
Patent WO-2019015577-A1 (WO)
Title: Method for biometric recognition and terminal device
Inventor: ZHANG HAIPING
IPC: G06K9/00
Filed: 2018-07-17
Abstract: A method for biometric recognition is provided. The method includes the follow: detecting a target distance between a terminal device (100, 600, 700) and a human face through a distance sensor (102, 602) (201, 301, 401, 501); capturing an iris image through an iris camera (103, 601) and performing iris recognition based on the iris image, when the target distance falls within an iris recognition distance range (302); capturing a human face image through a front camera (104, 605) and performing face recognition based on the human face image, when the target distance falls within a human face recognition distance range (303). A related terminal device (100, 600, 700) is also provided.
Patent WO-2019019995-A1 (WO)
Title: Mobile communication device and antenna thereof
Inventor: CHEN LEI
IPC: H04M1/02
Filed: 2018-07-24
Abstract: The present invention discloses a mobile communication device and an antenna thereof. The antenna comprises a microphone and an antenna feeder disposed on a main board of the mobile communication device, wherein the microphone comprises a microphone body, a first microphone grounding end, and a second microphone grounding end. The first microphone grounding end is disposed around the side of the microphone body and is electrically connected to the second microphone grounding end. The second microphone grounding end is electrically connected to the microphone body. A radio frequency module and a main board grounding end are further disposed on the main board, wherein the radio frequency module is electrically connected to the first microphone grounding end via the antenna feeder, and the main board grounding end is electrically connected to the second microphone grounding end. The present invention uses a microphone to form part of an antenna without requiring additional feed point springs and antenna traces, thereby saving on production costs and internal space of a mobile communication device. The invention ensures optimal antenna performance, such that the antenna can operate in the 5G frequency band of Wi-Fi.
Patent WO-2019205318-A1 (WO)
Title: Public opinion information classification method and apparatus, computer device, and storage medium
Inventor: JIN XIN
IPC: G06F16/00
Filed: 2018-07-25
Abstract: A public opinion information classification method , comprising: establishing a classification model, the classification model comprising a word vector model and a multi-layer recursive neural network; acquiring public opinion information, the public opinion information comprising a plurality of sentences; using the word vector model to perform training to obtain sentence vectors corresponding to the plurality of sentences, and using the sentence vectors corresponding to the plurality of sentences to generate a weight matrix; acquiring codes corresponding to the plurality of sentences, respectively, and inputting the codes of the plurality of sentences into the trained multi-layer recursive neural network; performing operation on the basis of the codes of the plurality of sentences and the weight matrix by means of the trained multi-layer recursive neural network, to output the categories of the plurality of sentences; and determining the category corresponding to the public opinion information according to the categories of the plurality of sentences.
Patent WO-2019153706-A1 (WO)
Inventor: ZHOU QINGMING
IPC: G06F3/044
Filed: 2018-08-17
Abstract: 本发明属于触摸屏技术领域，尤其涉及一种光伏触摸屏。本发明提供了一种光伏触摸屏，由外层到内层依次包括：触摸控制单元、透明绝缘基板以及发电单元；所述发电单元包括光电转换层，所述光电转换层选自：非晶硅薄膜光电转换层、CIGS薄膜光电转换层以及碲化镉薄膜光电转换层中的任意一种或多种。本发明提供的技术方案中，将触摸控制单元与发电单元结合，光线经过触摸控制单元和透明绝缘基板后，射入发电单元后，光能转换为电能；此时，触摸控制单元所需的电能即可从发电单元所产生的电能中获得，无需再使用干电池。本发明提供的一种光伏触摸屏，解决了现有技术中，触摸屏在应用时，需要耗费干电池从而导致环境污染的技术缺陷。
Patent WO-2019200804-A1 (WO)
Title: Sensing rubbish bin inside cupboard
Inventor: WANG XIN
IPC: B65F1/14
Filed: 2018-08-24
Abstract: A sensing rubbish bin inside a cupboard, comprising an upper bin body (1), the upper bin body (1) being sleeved at an upper part opening of a lower bin body (2), the upper bin body (1) comprising bin lids (11, 12), an annular cover (13), a reflective infrared sensing control circuit (14), a motor (15), and a transmission mechanism, the annular cover (13) comprising a bin head (131) and a middle body (132) buckled together, the bin lids (11, 12) being mounted at a front part open frame of the bin head (131), the reflective infrared sensing control circuit (14) being mounted on a rear part of the bin head (131) and being electrically connected to the motor (15), the motor (15) being connected to the transmission mechanism by means of a decelerator (16) and being connected to the bin lids (11, 12) by means of the transmission mechanism; and a sensing window of the reflective infrared sensing control circuit (14) is positioned on an upper end face or rear end face of the rear part of the bin head (131). The reflective infrared sensing control circuit (14) can also be replaced by a light-sensitive sensing control circuit. The present sensing rubbish bin solves the problems of the false operation, energy consumption and ineffectiveness of using sensing rubbish bins inside a cupboard, is convenient to use and simple to operate, and avoids the problems of breeding bacteria and odours in the space inside a closed cupboard.
Patent WO-2019052347-A1 (WO)
Title: Integrated laundry washer-dryer, and control method therefor
Inventor: LI WENWEI
IPC: D06F58/45
Filed: 2018-08-31
Abstract: Disclosed are an integrated laundry washer-dryer, and a control method therefor. The integrated laundry washer-dryer comprises: a housing (1), and a washing apparatus (10) and a drying apparatus (11), which are arranged inside the housing (1) and can respectively independently operate, wherein the drying apparatus (11) comprises a heat exchange element and a heat exchange element filter device (2); and the washing apparatus (10) comprises a water drainage path, and a water drainage control device (8), which is arranged in the water drainage path and is used for controlling the connection and disconnection thereof, the water drainage path being in communication with the heat exchange element filter device (2). The above-mentioned integrated laundry washer-dryer solves, by means of the water drained from the washing apparatus (10), the problem of rinsing lint away from the heat exchange element filter device (2) of the integrated laundry washer-dryer, realizes the secondary use of water drained from the washing apparatus (10), and saves on water resources.
Patent WO-2020006868-A1 (WO)
Inventor: Liang haian
IPC: G06F11/32
Filed: 2018-09-13
Abstract: Selon la présente invention, la solution se rapporte au domaine technique du traitement de données, et concerne un procédé et un appareil d'alarme automatique destinés à un espace de table, un dispositif terminal et un support d'informations lisible par ordinateur. Le procédé consiste : à surveiller un espace de table et à interroger la quantité d'espace libre dans l'espace de table; à déterminer un fichier physique de l'espace de table et un répertoire de fichiers du fichier physique, et à acquérir la quantité réelle d'espace disponible du répertoire de fichiers; à comparer la quantité d'espace libre avec la quantité réelle d'espace disponible; si la quantité d'espace libre est supérieure ou égale à la quantité réelle d'espace disponible, à utiliser la quantité réelle d'espace disponible comme quantité d'espace pour déclencher une alarme de l'espace de table; si la quantité d'espace libre est inférieure à la quantité réelle d'espace disponible, à utiliser la quantité d'espace libre comme quantité d'espace pour déclencher une alarme de l'espace de table; et lorsque la quantité d'espace nécessaire pour déclencher une alarme satisfait une première condition prédéfinie, à fournir une invite d'alarme. Dans la solution, une alarme est déclenchée sur la base d'une quantité disponible inférieure, ce qui améliore la sécurité d'une alarme d'espace de table.
Patent WO-2019057037-A1 (WO)
Title: Air conditioner indoor unit
Inventor: YIN XIAOYING
IPC: F24F1/00
Filed: 2018-09-18
Abstract: An air conditioner indoor unit, comprising: a housing (100), which is in the shape of a hollow cylinder having a central axis extending along the front-rear direction, a rear end being an air inlet end, a front end being an air outlet end; a heat exchange apparatus (200), which is arranged within the housing (100) and used for performing heat exchange with air entering the housing (100) from the air inlet end to form heat exchange air; an air supply assembly, which comprises: at least one axial flow fan (320), which is arranged within the housing (100) such that a rotation axis of the axial flow fan (320) extends along the front-rear direction, the axial flow fan (320) being used for causing the heat exchange air to be blown out from the air outlet end; an air guide ring (500), which is coaxially sleeved with the housing (100) on an outer peripheral front portion of the housing (100), the inner diameter of the air guide ring (500) being greater than the outer diameter of the housing (100) so as to define an air guide channel (501) with an outer peripheral surface of the housing (100), thereby allowing indoor air to flow forward via the air guide channel (501) to mix with the heat exchange air. The air conditioner indoor unit has a large air volume and low noise, and implements mixed air supply, thereby increasing air supply comfort.
Patent WO-2019057135-A1 (WO)
Title: Logistics apparatus
Inventor: WANG YUBIN
IPC: B66C9/00
Filed: 2018-09-21
Abstract: The present invention provides a conveying apparatus, wherein a logistics apparatus 1 comprises carrying trolleys 2, overhead rails 3 for the carrying trolleys 2 to run, loading trolleys 4, rails 5 for the loading trolleys 4 to run, and vertical column components 6. The loading trolleys 4 run in a region 7, and the region 7 comprises regions 7X and regions 7Y. The loading trolleys 4 run in the region 7, and each comprises traveling devices 4-1, a hoisting device 4-2, and a frame 4-3. The walking devices 4-1 are located at the lower part of the frame 4-3, and the hoisting device 4-2 is located at the upper part of the frame 4-3. The frame 4-3 defines a cavity that is open at the bottom. A hook assembly 4-3-1 of the hoisting device 4-3 hoists goods below the frame 4-3 into the cavity of the frame 4-3. The bottom surfaces of the goods are higher than the upper planes of the rails 5. The loading trolleys 4 switch between different carrying trolleys 2 by means of the rails 5. The self-powered loading trolleys hoist workpieces into the cavities of the frames 4 to run on the overhead rails, the workpieces can be automatically taken and placed, and the loading trolleys travel in X and Y directions by means of the rails for the carrying trolleys and rails fixed on vertical columns, so that full-coverage logistics conveying can be achieved.
Patent WO-2019218564-A1 (WO)
Inventor: GAO PENG
IPC: H04R9/06
Filed: 2018-09-21
Abstract: 本发明涉及一种高音扬声器，其拓宽了高音扬声器的起始频率，高音扬声器中频曲线较平滑，失真较小。一种高音扬声器，包括磁路系统、音圈以及与所述音圈连接的振膜，所述磁路系统和所述音圈、所述振膜之间形成有第一空腔，所述高音扬声器还包括后盖，所述磁路系统设置于所述振膜和所述后盖之间，且所述后盖和所述磁路系统之间形成有第二空腔，所述磁路系统上开设有通孔，所述通孔将所述第一空腔和所述第二空腔连通从而构成所述高音扬声器的气隙腔。
Patent WO-2020073244-A1 (WO)
Title: 手动对焦的控制方法、装置、设备、系统及存储介质
Inventor: ZHAO TAO
IPC: G03B13/36
Filed: 2018-10-10
Abstract: 一种手动对焦的控制方法、装置、设备、系统及存储介质，该方法包括：获取对焦调节组件当前的调整位置（S101）；根据对焦调节组件当前的调整位置，计算对焦调节组件当前的调整位置对应的当前对焦值（S102）；若当前对焦值等于对焦参数峰点值，且对焦调节组件的调整位置继续变化，则从当前对焦值等于对焦参数峰点值对应时刻开始的预设时间内控制对焦调节组件停止调焦（S103）。在该预设时间内尽管用户还在调整对焦调节组件，但是对焦调节组件已经停止调焦，保持当前对焦值等于对焦参数峰点值，从而保持对焦对象在拍摄画面中清晰可见，解决了当前对焦值等于对焦参数峰点值之后用户继续调整对焦调节组件而导致用户很难找准对焦对象合焦时的对焦位置的问题。
Patent WO-2020073312-A1 (WO)
Inventor: DING YOUXIANG
IPC: H01L27/32
Filed: 2018-10-12
Abstract: Provided in the present application is an electronic device, comprising a center frame (21) and a display device (30) provided on the center frame (21). The display device (30) comprises a display screen (34) and a colloid (36). The display screen comprises a screen body (342), and the screen body comprises a display surface, a back surface opposite the display surface, and a side surface (3421) positioned between the display surface and the back surface. The colloid (36) is provided on the side surface (3421) of the screen body (342). The colloid (36) on the side surface (3421) of the screen body (342) is in contact with the center frame (21). When the display device provided with the colloid is mounted onto the center frame of a housing, the colloid can effectively absorb tolerances, in order to facilitate the mounting of the display device into the housing, and can prevent the problem of depressions or collapses caused by the presence of gaps. Further provided in the present application are the display device of the electronic device, and a manufacturing method for the display device.
Patent WO-2019223224-A1 (WO)
Inventor: ZOU YULONG
IPC: H04B17/382
Filed: 2018-10-24
Abstract: 本发明公开了一种基于电磁环境学习的智能频移抗干扰自主通信方法，方法应用于由发射节点、接收节点和干扰节点组成的基于电磁环境学习的智能频移抗干扰自主通信系统，方法包括通信建链过程以及在通信过程中的智能频移抗干扰过程，通信建链过程：通信发起方在设定的[a,b]频段范围内向通信响应方进行发起通信、两者进行频点的匹配，以及最后进行协商建立通信连接；智能频移抗干扰过程：在通信发起方和通信响应方建立链路后的干扰检测，并在[a,b]频段范围内通过频谱感知算法进行接收频点的感知，最后对接收频点和发送频点是否匹配进行协商，从而实现智能频移抗干扰的实现；本发明接收节点和发射节点之间可自主建立链路通信，并实现智能频移抗干扰。
Patent WO-2020087490-A1 (WO)
Inventor: REN GUORONG
IPC: G05D1/02
Filed: 2018-11-02
Abstract: Cette invention concerne des véhicules à guidage automatisé (AGV) ayant une poignée en forme de U. La poignée en forme de U (172) peut être tirée vers le bas pour modifier le fonctionnement du véhicule à guidage automatique. L'invention concerne en outre un système de conduite autonome. Le système comprend un corps (140) ayant une ou plusieurs roues motorisées (110), une console (104) reliée dans une position verticale à une extrémité du corps (140), et une poignée (172) reliée de façon pivotante à la console (104), la poignée (172) étant mobile par rapport à la console (104) pour modifier le fonctionnement du système de conduite autonome entre un mode de conduite autonome et un mode de commande manuelle. Les véhicules à guidage automatique selon l'invention présentent une conception améliorée.
Patent WO-2020103104-A1 (WO)
Inventor: ZHENG JIANTAO
IPC: H05K7/20
Filed: 2018-11-22
Abstract: A packaging structure, a processor and a server. The packaging structure is used for packaging a chip, and comprises the chip and a heat-conducting fin, wherein the chip and the heat-conducting fin are provided one over the other, a thermal interface material layer is filled between the chip and the heat-conducting fin, and the chip and the heat-conducting fin are in heat-conducting connection by means of the thermal interface material layer. During specific arrangement, a smooth protrusion structure is arranged on the side of the heat-conducting fin facing the chip, and at least part of the thermal interface material layer is filled between the protrusion structure and the chip, such that at least part of the thermal interface material layer wraps the protrusion structure. It can be seen from the above-mentioned description that the protrusion structure is arranged on the heat-conducting fin, thereby reducing the spacing distance between the chip and the heat-conducting fin, such that the thermal interface material layer filled between the heat-conducting fin and the chip forms a structure with a thin middle part and a thick edge, thereby improving the heat dissipation effect of the chip. Moreover, the connection strength of the thermal interface material layer when the chip warps is improved by means of the structure with a relatively thick edge, thereby improving the heat dissipation effect.
Patent WO-2020024493-A1 (WO)
Inventor: LIU TIANBAO
IPC: G06F3/044
Filed: 2018-11-29
Abstract: 一种电容屏贴合方法和装置，该方法包括：（S102）将显示模组固定在第一台板的表面，将触控模组固定在第二台板的表面；或将显示模组固定在第二台板的表面，将触控模组固定在第一台板的表面；（S104）控制第二台板向第一台板方向移动并且第二台板的中间部分向第一台板方向凸出弯曲；（S106）在显示模组和触控模组接触后，第二台板的两边向第一台板贴合，直至显示模组和触控模组贴合。该方法达到了使电容屏贴合效果更佳的效果。
Patent WO-2019109903-A1 (WO)
Title: 显示屏、显示装置、显示电路及其亮度补偿方法
Inventor: LIU LIBIN
IPC: G09G3/00
Filed: 2018-12-04
Abstract: 一种显示屏、显示装置、用于显示屏的显示电路及其亮度补偿方法，所述显示屏(10)包括正常显示区域(11)和透明显示区域(12)，所述显示电路(20)包括：第一像素电路(21)，第一像素电路在该正常显示区域处设置；第二像素电路(22)，第二像素电路在该透明显示区域处设置；第一像素电路与第二像素电路的结构不同，以使透明显示区域的透光率高于正常显示区域的透光率。
Patent WO-2020118485-A1 (WO)
Inventor: JIANG TIANZE
IPC: G06F17/00
Filed: 2018-12-10
Abstract: L'invention concerne des techniques de détection de problèmes de disposition d'UI pour des applications web. Les techniques comprennent l'injection d'un script de détection dans le code d'une page web cible, et l'exécution du script de détection pour analyser et/ou détecter des problèmes de disposition se rapportant à des éléments d'UI de la page web cible. Les techniques comprennent le parcours récursif de nœuds d'un arbre de DOM de la page web cible. Suivant le type de problème de disposition d'UI en cours d'analyse et/ou de détection par le script de détection, le parcours récursif des nœuds de l'arbre de DOM peut inclure tous les niveaux de l'arbre de DOM ou être limité à une partie seulement des niveaux de l'arbre de DOM. En parcourant de manière récursive tous les niveaux ou moins que tous les niveaux de l'arbre de DOM suivant le type de problèmes de disposition d'UI en cours d'analyse et/ou de détection par le script de détection, les techniques peuvent réduire les besoins en ressources de traitement tout en diminuant l'occurrence de problèmes manqués de disposition d'UI dans la page web cible.
Patent WO-2020118522-A1 (WO)
Inventor: LIANG QIXIN
IPC: H03H7/01
Filed: 2018-12-11
Abstract: 一种新型介质陶瓷低通滤波器，涉及到介质陶瓷低通滤波器，包括基体，基体内部设有五层电路层；电路层上的等效电路构成的四阶低通滤波器电路，呈左右对称结构，且通过电感L1和电容C2并联谐振在高频段产生一个传输零点，通过电感L2和电容C7并联谐振在高频段产生另外一个传输零点，传输线SL1与电容C4、传输线SL2与电容C5分别并联谐振在高频段产生零点，高端形成四个零点达到高抑制效果，通过调节传输线SL1和电容C4、传输线SL2和电容C5构成的并联谐振器可以控制低通滤波器的3dB截止频率点，调节传输线SL1与传输线SL2耦合度以及电容C9可以控制低通滤波器的陡峭度。具有低损耗、高可靠性、低成本和适合于大规模的生产等优点。
Patent WO-2019120173-A1 (WO)
Title: Refrigeration and freezing device
Inventor: HE SHENGTAO
IPC: F25D17/06
Filed: 2018-12-17
Abstract: Provided is a refrigeration and freezing device (1), comprising: a cabinet (10); a compressor compartment (100), provided below the rear of the cabinet (10) for mounting a compressor (101) and a cooling fan (102); a bottom condenser (103), provided inside the compressor compartment (100) and configured to be located upstream of an air supply path of the cooling fan (102); and an air blower (104), provided inside the compressor compartment (100) and located downstream of the cooling fan (102) air supply path and the compressor (101), wherein the compressor compartment (100) is provided, on the bottom and on the front side, with a lateral opening (106) to allow air to flow in to or out of the compressor compartment (100); the cooling fan (102) is configured to draw air into the compressor compartment (100) via the lateral opening (106) and propel same to flow sequentially through the bottom condenser (103), the cooling fan (102) and the compressor (101), and then to the air blower (104); and the air blower (104) is configured to accelerate the air, that flows towards same, in flowing from the lateral opening (106) out of the compressor compartment (100). By means of forming a heat dissipation air path on the bottom of the refrigeration and freezing device and providing an air blower at the end of the air path to achieve active forced heat dissipation, the refrigeration system has a good heat dissipation efficiency, thereby ensuring the stable operation of the refrigeration system.
Patent WO-2020132914-A1 (WO)
Inventor: CHAO WEI-MIN
IPC: G06K9/00
Filed: 2018-12-26
Abstract: 一种指纹识别模块（120，420）、电子设备（100，400）和芯片。所述指纹识别模块（120，420）设置在显示屏（110）的下方。所述指纹识别模块（120，420）包括N个透镜单元（122_1-122_N）以及指纹传感电路（124），其中N是大于1的正整数。所述N个透镜单元（122_1-122_N）分开设置在所述显示屏（110）的下方。所述指纹传感电路（124）具有N个指纹传感阵列（126_1-126_N），所述N个指纹传感阵列（126_1-126_N）分别对应所述N个透镜单元（122_1-122_N）的N个镜心区域（LC_1-LC_N）并设置在所述N个透镜单元（122_1-122_N）的下方。所述指纹识别模块（120，420）提供更大的视野范围（FV）及指纹识别区域（DA），并提高有效指纹信号的比例及信号质量。