baber/WOPTO huggingface dataset:
Patent TW-I738005-B (TW)
Title: Aluminum alloy film, manufacturing method for the same, and thin film transistor
Inventor: UJIHARA YUUSUKE
IPC: C23C14/34
Filed: 2019-06-14
Granted: 2021-09-01
Abstract: Aluminum alloy film excellent in flexure resistance and heat resistance, and thin film transistor with that aluminum alloy film are provided in this invention. The aluminum alloy film according to an embodiment of this invention is characterised in that at least one first additive element selected from a group consisting of Zr, Sc, Mo, Y, Nb, and Ti is included in an pure metal of Al. The content of the first additive element is more than 0.01 atom% and less than 1.0 atom%. The aluminum alloy film has excellent flexure resistance and excellent heat resistance. The aluminum alloy film can also be etched.
Patent TW-I720530-B (TW)
Title: Multisignal encoder, multisignal decoder, and related methods using signal whitening or signal post processing
Inventor: FOTOPOULOU ELENI
IPC: G10L19/008
Filed: 2019-07-03
Granted: 2021-03-01
Abstract: A multisignal encoder for encoding at least three audio signals, comprises: a signal preprocessor (100) for individually preprocessing each audio signal to obtain at least three preprocessed audio signals, wherein the preprocessing is performed so that a preprocessed audio signal is whitened with respect to the signal before preprocessing; an adaptive joint signal processor (200) for performing a processing of the at least three preprocessed audio signals to obtain at least three jointly processed signals or at least two jointly processed signals and an unprocessed signal; a signal encoder (300) for encoding each signal to obtain one or more encoded signals; and an output interface (400) for transmitting or storing an encoded multisignal audio signal comprising the one or more encoded signals, side information relating to the preprocessing and side information relating to the processing.
Patent TW-I755622-B (TW)
Title: 移相器、調變器以及光束調變方法
Inventor: JOU CHEWN-PU
IPC: G02F1/01
Filed: 2019-08-19
Granted: 2022-02-21
Abstract: 在實施例中，一種移相器包括：光輸入端，光輸出端，p型半導體材料，以及n型半導體材料。所述n型半導體材料沿著邊界區域接觸所述p型半導體材料，其中所述邊界區域大於從所述光輸入端到所述光輸出端的長度乘以所述移相器的核心寬度。
Patent TW-I793372-B (TW)
Inventor: HONG JI-SEOK
IPC: H01L23/495
Filed: 2019-10-02
Granted: 2023-02-21
Abstract: A semiconductor package includes: a lower semiconductor chip including a first semiconductor substrate, which includes a first semiconductor device on an active surface thereof and a protrusion defined by a recess region on an inactive surface thereof opposite to the active surface, a plurality of external connecting pads on a bottom surface of the first semiconductor substrate, and a plurality of through-electrodes electrically connected to the plurality of external connecting pads; and at least one upper semiconductor chip stacked on the protrusion of the lower semiconductor chip and electrically connected to the plurality of through-electrodes, the at least one upper semiconductor chip including a second semiconductor substrate which includes a second semiconductor device on an active surface thereof.
Patent TW-I720644-B (TW)
Title: Method for size estimating by image recognition of specific target
Inventor: WU JYH HORNG
IPC: G06Q50/00
Filed: 2019-10-08
Granted: 2021-03-01
Abstract: The application is related to a method for size estimating by image recognition of a specific target. The method firstly recognizes a reference object from a captured image to make a responsive scale. A specific target is found in the captured image and size estimated according to the responsive scale.
Patent TW-I718717-B (TW)
Title: 抑制補體c5表現的雙股核糖核酸
Inventor: SUZUKI YUTA
IPC: A61K47/54
Filed: 2019-10-24
Granted: 2021-02-11
Abstract: 本發明公開一種雙股核糖核酸，其具有選自由序列編號159及160、序列編號141及142、序列編號143及144、序列編號145及146、序列編號147及148、以及序列編號153及154所組成之群中的正義股及反義股之組合。
Patent TW-I706185-B (TW)
Inventor: LIN YU JUI
IPC: G02B9/62
Filed: 2019-11-01
Granted: 2020-10-01
Abstract: An imaging optical system includes six lens elements which are, in order from an object side to an image side: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. Each of the six lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. At least one of the six lens elements is a freeform lens element, and at least one of the object-side surface and the image-side surface of the freeform lens element is a freeform surface. When specific conditions are satisfied, the imaging optical system meets the requirements of compact size and high image quality, simultaneously.
Patent TW-I747111-B (TW)
Title: 發光二極體晶片
Inventor: KUO YU-CHEN
IPC: H01L33/38
Filed: 2016-02-17
Granted: 2021-11-21
Abstract: 一種發光二極體晶片，其包括半導體元件層、第一電極、電流阻擋層、電流分散層及第二電極。半導體元件層包括第一型摻雜半導體層、第二型摻雜半導體層及位於第一型與第二型摻雜半導體層之間的發光層。第一電極與第一型摻雜半導體層電性連接。電流阻擋層配置於第二型摻雜半導體層上，且電流阻擋層包括主體及從主體延伸的延伸部。電流分散層覆蓋電流阻擋層。第二電極經由電流分散層與第二型摻雜半導體層電性連接，其中第二電極包括焊墊及從焊墊延伸的指部，焊墊位於主體上方，而指部位於延伸部上方，且指部的部份區域未與延伸部重疊。
Patent TW-I752394-B (TW)
Inventor: MAASSEN JOHANNES JOSEPHUS
IPC: H01L21/683
Filed: 2019-12-25
Granted: 2022-01-11
Abstract: A substrate holder comprising:
a main body having a main body surface;
a plurality of burls projecting from the main body surface and configured for supporting the substrate；and
an edge seal projecting from the main body surface；wherein:
the edge seal is spaced apart from the plurality of burls so as to define a gap therebetween, the gap having a width greater than or equal to about 75% of a pitch of the plurality of burls；
the plurality of burls comprises a first group of burls and a second group of burls surrounding the first group of burls；and
wherein the stiffness in the direction perpendicular to the support plane per unit area of the second group of burls is greater than or equal to about 150% of the stiffness in the direction perpendicular to the support plane per unit area of the first group of burls.
Patent TW-I732514-B (TW)
Title: Systems and methods for efficient management and modification of images
Inventor: JEON HAN SEM
IPC: G06F16/583
Filed: 2020-04-08
Granted: 2021-07-01
Abstract: Methods and systems for efficient management and 
modification of images include receiving a first set of images from a seller system connected to the processor over the network interface; receiving an image sequence comprising references to the images in the first set of images and an order of appearance; storing the first set of images and the image sequence in the database; identifying one or more areas in the first set of images; removing the identified areas from the first set of images; and displaying the first set of images based on the image sequence.
Patent TW-I722913-B (TW)
Title: Semiconductor package
Inventor: CHEN YING CHIH
IPC: H01L23/28
Filed: 2020-06-01
Granted: 2021-03-21
Abstract: A semiconductor package includes a substrate, an electronic component, a 
dielectric layer a transmitting antenna, a receiving antenna and a FSS (Frequency selective surface) antenna. The electronic component is disposed on and electrically connected with the substrate. The dielectric layer has a dielectric upper surface. The transmitting antenna and the receiving antenna are formed adjacent to the substrate. The FSS antenna is formed adjacent to the dielectric upper surface of the dielectric layer. The FSS antenna is separated from the substrate by the dielectric layer in a wireless signal emitting direction.
Patent TW-I725865-B (TW)
Inventor: LIN YU-LUN
IPC: B62J99/00
Filed: 2020-06-02
Granted: 2021-04-21
Abstract: 一種智能車輛系統包含行動裝置、跨坐型車輛以及震動單元。行動裝置發送觸發訊號。跨坐型車輛包含智能手把。智能手把包含本體、第一通訊模組以及至少一控制鍵。第一通訊模組設置於本體內，並耦接至行動裝置。至少一控制鍵設置在本體之一側，並耦接至第一通訊模組。至少一控制鍵適於被觸發時產生控制訊號。震動單元耦接至行動裝置。震動單元用以接收來自行動裝置之觸發訊號，並據以產生震動。震動單元更用以經由行動裝置接收來自智能手把之控制訊號而停止震動。如此，騎士於騎乘途中仍可接收來自行動裝置之提示資訊。
Patent TW-I770545-B (TW)
Title: 碳棒生產製程及其結構
Inventor: LUO WEN-JIAN
IPC: C04B41/82
Filed: 2020-06-30
Granted: 2022-07-11
Abstract: 一種碳棒生產製程及其結構，係應用於一靜電霧化裝置中，作為蓄水
及放電用途之放電電極者，其包括以下步驟：透過造粒製程將一原料製成一造粒粉末；使用模具將該造粒粉末擠壓成型為一芯材，使該芯材表面成型有複數個微結構；該芯材經過燒結後而形成一棒芯，該棒芯係為多孔性結構體；及提供一具有吸水特性之導電塗層以塗佈、噴塗或刷塗等塗裝方式完全包覆該棒芯再固化，且該導電塗層係選用一碳複合物混合樹脂；據此，本創作係利用該等微結構來增加使用時的整體表面積以增加電荷發射量，並且，該棒芯之多孔性結構及具有吸水特性之導電塗層皆能吸收水分以提高霧化效果及霧化效率等功效。
Patent TW-I742782-B (TW)
Title: Establishing method of retinal layer thickness detection model, retinal layer thickness detection system, eye care device, method for detecting retinal layer thickness and method for assessing and predicting dementia
Inventor: HE YUE-JING
IPC: A61B3/14
Filed: 2020-07-28
Granted: 2021-10-11
Abstract: The invention relates to a retinal layer thickness detection system including an image capturing unit and a processor. The processor storing a program including a reference database obtaining module, a reference image pre-processing module, a reference feature selecting module, a training module, a confirming module, a target feature selecting module, a marking module and a calculating module. Therefore, the retinal layer thickness detection system can be used to detect the retinal layer thickness of the subject.
Patent TW-I757805-B (TW)
Title: Moving robot and control method thereof
Inventor: YUN HYUNGTAE
IPC: G05D1/02
Filed: 2020-07-30
Granted: 2022-03-11
Abstract: Provided are a moving robot and a control method thereof. The moving robot is configured to rotate a cleaning cloth by means of a motor to move a main body and clean a floor surface. A location change of the main body is analyzed to determine a traveling state, an operation is controlled and a warning is output by detecting the absence of the cleaning cloth according to the traveling state. A notification regarding whether the cleaning cloth is installed is output to allow a user to recognize the same. An operation of the main body is stopped to prevent damages to a product and the floor surface and prevent an accident.
Patent TW-I762053-B (TW)
Inventor: LIN KUAN-YI
IPC: G06F21/32
Filed: 2020-11-30
Granted: 2022-04-21
Abstract: An under-screen fingerprint sensing device including an image sensor and a controller is provided. The image sensor is disposed under a display. The display emits an illumination light transmitted to a finger pressing on the display. The finger reflects the illumination light into a signal light carrying fingerprint information of the finger. The signal light passes through the display and then form a fingerprint image on the image sensor. The controller is electrically connected to the image sensor and configured to process the fingerprint image sensed by the image sensor. The controller is configured to calculate inner products of gray levels on axes in two different directions and a Haar-like feature, whereby determining whether the fingerprint image is from a real finger or a fake finger.
Patent TW-I808363-B (TW)
Inventor: NGUYEN HY B
IPC: F01L3/20
Filed: 2020-12-09
Granted: 2023-07-11
Abstract: A poppet including a single-piece, unitary body defining a plurality of discrete sealing surfaces and a mechanical attachment configured to engage the body with a piston of a valve assembly.
Patent TW-I746311-B (TW)
Inventor: JIANG I-TA
IPC: H04N17/00
Filed: 2020-12-11
Granted: 2021-11-11
Abstract: The present disclosure provides a free form display panel including a substrate and a detection circuit. The substrate has a display area, a frame area and an area to be cut. The frame area includes a V
         com ring electrically connected the display area. The detection circuit is disposed on the frame area and the area to be cut. The detection circuit includes a switch circuit, a V
         com detection pad, a switch detection pad, and a first transmission line. The switch circuit and the first transmission line are disposed on the frame area. The V
         com detection pad and the switch detection pad are disposed on the V
         com ring. The switch circuit is electrically connected to a signal line in the display area. The V
         com detection pad is electrically connected to the V
         com ring. The first transmission line is electrically connected the switch circuit to the switch detection pad. The V
         com detection pad, the switch detection pad, and the first transmission line of the present application are all disposed on the frame area to avoid being removed and causing electrical abnormalities easily during the cutting process.
Patent TW-I766480-B (TW)
Title: Test management cloud platform and method
Inventor: CHEN XUEFENG
IPC: G06F9/445
Filed: 2020-12-16
Granted: 2022-06-01
Abstract: The present invention provides a test management cloud platform and method, wherein the test management cloud platform includes a connection module, an automatic function test module and a database module; the connection module is configured to establish a communication connection with a testing machine; the database module is configured to store an installation application of a software; the automatic function test module is configured to establish a communication connection with the test machine through the connection module, and install the corresponding software into the test machine remotely according to the software information required by the test item, and remotely control the test machine to execute the test item after the installation is completed. The test management method includes remotely controlling the test machine to execute test item through a test management cloud platform. The present invention discloses establishing the connection between the test management cloud platform and the test machine by building a network, which greatly improves the test efficiency of function verification.
Patent TW-I773036-B (TW)
Title: Semiconductor structure and manufacturing method thereof
Inventor: WANG CHING-SAN
IPC: H01L21/3205
Filed: 2020-12-21
Granted: 2022-08-01
Abstract: A method for manufacturing a semiconductor structure is provided, including: forming a thermoelectric structure on a substrate. A dielectric layer is formed on the substrate to cover the thermoelectric structure. A first photoresist pattern including a first opening is formed on the dielectric layer. The dielectric layer is etched with the first photoresist pattern as an etching mask to remove the dielectric layer under the first opening and expose an exposed region of the substrate. The first photoresist pattern is removed. A protecting layer is conformally formed on the dielectric layer and the exposed region. A second photoresist pattern including a second opening is formed on the protecting layer. The second opening is smaller than the first opening. The protecting layer is etched with the second photoresist pattern as an etching mask to remove the protecting layer under the second opening.
Patent TW-I744157-B (TW)
Title: Embedded memory system and memory testing method
Inventor: CHEN YEN-PIN
IPC: G11C29/52
Filed: 2020-12-31
Granted: 2021-10-21
Abstract: An embedded memory system includes an embedded memory circuit and a host circuit. The embedded memory circuit is configured to store a lookup table. The host circuit is configured to utilize a testing clock signal having multiple phases and multiple instructions in a program of the embedded memory circuit to test the embedded memory circuit, in order to store a corresponding relation between the phases and each of the instruction to generate the lookup table.
Patent TW-I752787-B (TW)
Inventor: TANAKA KOHEI
IPC: G01R31/36
Filed: 2016-06-24
Granted: 2022-01-11
Abstract: This invention provides methods and systems to identify the charging state or discharging depth of battery more precisely than conventional techniques and to identify the soundness of battery more properly. 
 
     This invention determines a complex impedance with respect to a plurality of frequencies between positive and negative poles of a battery, and compares the frequency dependence of the Warburg impedance in the determined complex impedance with the frequency dependence of the Warburg impedance corresponding to the known charging state or discharging depth of the battery so as to estimate the charging state or discharging depth of the battery. In addition, this invention determines the complex impedance in the same way, and use the real part of the complex impedance at a point, at which the imaginary part of the complex impedance becomes zero, on a line obtained by extending one part of a complex impedance characteristic curve representing the relative relation of the real part and the imaginary part of the determined complex impedance, which shows the frequency dependence of the Warburg impedance, to evaluate the soundness of the battery.
Patent TW-I775316-B (TW)
Inventor: MORIUCHI HIDEKI
IPC: F28D3/02
Filed: 2021-02-18
Granted: 2022-08-21
Abstract: 熱交換器係具備：由金屬纖維所形成之金屬纖維構造體(20)、以及收容金屬纖維構造體(20)之收容體(例如配管(10))；於收容於收容體之金屬纖維構造體(20)與收容體的內表面之間的至少一部分係形成有間隙。
Patent TW-I752847-B (TW)
Inventor: OHSAWA NOBUHARU
IPC: H01L51/52
Filed: 2014-11-25
Granted: 2022-01-11
Abstract: An object of one embodiment of the present invention is to provide a multicolor light-emitting element that utilizes fluorescence and phosphorescence and is advantageous for practical application. The light-emitting element has a stacked-layer structure of a first light-emitting layer containing a host material and a fluorescent substance, a separation layer containing a substance having a hole-transport property and a substance having an electron-transport property, and a second light-emitting layer containing two kinds of organic compounds that form an exciplex and a substance that can convert triplet excitation energy into luminescence. Note that a light-emitting element in which light emitted from the first light-emitting layer has an emission spectrum peak on the shorter wavelength side than an emission spectrum peak of the second light-emitting layer is more effective.
Patent TW-I794782-B (TW)
Title: Charged particle beam apparatus with multiple detectors and methods for imaging
Inventor: LIU XUEDONG
IPC: H01J37/147
Filed: 2021-04-07
Granted: 2023-03-01
Abstract: Systems and methods of imaging a sample using a charged-particle beam apparatus are disclosed. The charged-particle beam apparatus may include a compound objective lens comprising a magnetic lens and an electrostatic lens, the magnetic lens comprising a cavity, and an electron detector located immediately upstream from a polepiece of the magnetic lens and inside the cavity of the magnetic lens. In some embodiments, deflectors may be located between the electron detector and the opening of the polepiece adjacent to the sample to achieve a large field of view. Electron distributions among the detectors can be manipulated without changing the landing energy by changing the potential of the control electrode(s) in the electrostatic objective lens. The electron source can be operated with several discrete potentials to cover different landing energies, while the potential difference between electron source and the extractor is fixed.
Patent TW-I764711-B (TW)
Title: Preparation method of electrode, battery core using the electrode and preparation method of the battery core
Inventor: HUANG KUO CHIN
IPC: H01M10/0525
Filed: 2021-05-07
Granted: 2022-05-11
Abstract: A preparation method of solid-state electrolyte material comprises following steps of: mixing [(Li 2 S)   x   (P 2 S 5 ) (100- x ) ]   y   [ z ] (100- y )  into a precursor mixture, wherein 70    x    80, 70    y    95,  z  is at least one of LiCl, LiBr and LiI; performing a mechanical alloying process on the precursor mixture in an inert gas environment to form an after-mechanical-alloying precursor; and performing a heat treatment on the after-mechanical-alloying precursor in the inert gas environment to form an amorphous or microcrystalline solid-state 
electrolyte material, wherein a temperature of the heat treatment is greater than or equal to 200℃, and less than or equal to 500℃; a time of the heat treatment is greater than or equal to 2 hours, and less than or equal to 7 hours.
Patent TW-I802883-B (TW)
Title: 半導體記憶裝置
Inventor: KATO TATSUYA
IPC: G11C16/02
Filed: 2021-05-18
Granted: 2023-05-21
Abstract: 實施形態是在於提供一種適於動作的半導體記憶裝置。
        實施形態的半導體記憶裝置，係具備：
        延伸於第1方向的第1導電層；
        在與第1方向交叉的第2方向，從第1導電層分離而配置，延伸於第1方向的第2導電層；
        被設在第1導電層與第2導電層之間，排列於第1方向，具備與第1導電層對向的第1部分及與第2導電層對向的第2部分之複數的半導體層；
        分別被設在第1導電層與複數的半導體層之間的複數的第1記憶格；及
        分別被設在第2導電層與複數的半導體層之間的複數的第2記憶格，
        在第1方向相鄰的2個的半導體層之間設有空隙。
Patent TW-I778673-B (TW)
Title: 資訊處理裝置、資訊處理方法及程式產品
Inventor: NAKAZAWA MITSURU
IPC: G06Q50/00
Filed: 2021-06-21
Granted: 2022-09-21
Abstract: [課題]即使是在先前的手法中難以偵測的情況下，仍要偵測出由同一使用者所作成之複數個帳號。
        [解決手段]資訊處理裝置係將藉由第1帳號而被登錄的第1影像之背景領域、及藉由第2帳號而被登錄的第2影像之背景領域，加以特定；基於前記第1影像之背景領域、及前記第2影像之背景領域，而將表示擁有前記第1帳號的使用者與擁有前記第2帳號的使用者是否為同一人的同一資訊，予以輸出。
Patent TW-I768978-B (TW)
Inventor: HSIAO PEI-CHUN
IPC: B23Q15/12
Filed: 2021-06-21
Granted: 2022-06-21
Abstract: 本發明係提供一種裁切圓刀之迫刀感應回饋控制系統，其包含：一圓刀，其一側端設置有一側向位移該圓刀之迫刀裝置；一力度感測單元，其設有一迫抵裝置，該迫抵裝置係迫抵於該圓刀相對該迫刀裝置之側端處；一處理單元，其設定有一力量值；一回饋控制裝置，其係耦接於該處理單元，且連結於該迫刀裝置及該迫抵裝置之至少其一者；藉之，該力度感測單元係用以量測該迫刀裝置於抵消該迫抵裝置之力後施加於該圓刀之力度，而該處理單元係依據該力度及該力量值，以對應控制該回饋控制裝置回饋補償於該迫刀裝置或該迫抵裝置之至少其一者，使迫刀裝置對圓刀施加之力度均等於設定之力量值，藉可精確控制圓刀於迫刀時之力度，進而可提升圓刀於進行裁切時之精度者。
Patent TW-I811762-B (TW)
Title: Timbre evaluation method and timbre evaluation system using the same
Inventor: WANG CHUN-CHI
IPC: G10L25/00
Filed: 2021-08-12
Granted: 2023-08-11
Abstract: A timbre evaluation method and timbre evaluation system are disclosed. The timbre evaluation system records a testing audio file that played by multiple playback devices to generate multiple audio data. The audio data are divided into multiple frequency bands. The timbre evaluation system calculates the frequency bands to obtain multiple evaluation scores of the playback devices. The timbre evaluation system captures a timbre ranking information of the playback devices from a reference source, thereby obtains a reference model. The timbre evaluation system adjusts the evaluation scores of multiple testing playback devices according to the reference model, in order to obtain a timbre ranking information of the testing playback devices.
Patent TW-I785798-B (TW)
Title: 成膜裝置
Inventor: TANABE SHOHEI
IPC: H01L21/31
Filed: 2021-09-14
Granted: 2022-12-01
Abstract: 本發明提供一種減少凸起的產生同時獲得膜厚分佈的均勻性的成膜裝置。本實施方式的成膜裝置包括：腔室（10）；旋轉台（30），沿著圓周的搬運路徑（L）循環搬運工件（W）；多個靶材（42），包含成膜材料而形成，且設置於距旋轉台（30）的旋轉中心的半徑方向的距離不同的位置上；屏蔽構件（90），形成包圍成膜材料飛散的區域的成膜室（45），且在與循環搬運的工件（W）相向的一側具有開口（91）；以及電漿產生器，具有向成膜室（45）導入濺射氣體（G1）的濺射氣體導入部（47）及向靶材（42）施加電力的電源部（46），且使成膜室（45）內的濺射氣體（G1）產生電漿，關於工件（W）經由開口（91）而暴露於成膜材料的時間，相較於與距旋轉中心最遠的靶材（42）相向的區域，與距旋轉中心最近的靶材（42）相向的區域短。
Patent TW-I772210-B (TW)
Title: Electronic circuit and electronic apparatus having fingerprint sensing function and method for sensing fingerprint image
Inventor: LIN Wu-Wei
IPC: G06V40/13
Filed: 2020-09-23
Granted: 2022-07-21
Abstract: An electronic circuit adapted to drive a panel including a plurality of fingerprint sensing zones is provided. The electronic circuit includes a fingerprint sensing circuit. The fingerprint sensing circuit is configured to determine at least two adjacent fingerprint sensing zones to perform a fingerprint sensing operation according to a touch area and receive a fingerprint sensing signal corresponding to fingerprint sensing data from the at least two adjacent fingerprint sensing zones. The fingerprint sensing circuit rearranges the fingerprint sensing data from the at least two adjacent fingerprint sensing zones. In addition, an electronic device and a method for sensing a fingerprint image are also provided.
Patent TW-I790833-B (TW)
Title: 鍵盤
Inventor: LI PING-CHEN
IPC: H01H13/83
Filed: 2021-11-25
Granted: 2023-01-21
Abstract: 一種鍵盤包含底板、顯示元件以及按鍵組件。顯示元件設置於底板上方。按鍵組件包含鍵帽、固定座、兩平衡桿以及復位件。鍵帽位於底板上方，並具有透光部位於顯示元件的上方。固定座設置於底板上，並具有限位槽。每一平衡桿包含桿部以及端部。桿部可轉動地銜接鍵帽。端部可移動地限位於限位槽內。復位件於底板上方抵接鍵帽，並鄰近鍵帽的邊緣。