M410292 五、新型說明： 【新型所屬之技術領域】 本創作係有關於一種POS終端機與擴充模組連接結構改 良’尤指一種透過一底座、一顯示屏及一擴充模組之設計， 透過擴充模組之接觸彈片或接觸凸點與顯示屏之接觸片或接 觸凹洞來相互接觸，以形成絕佳之訊號傳遞，而適用於店家 或賣場所使用之POS終端機者。M410292 V. New Description: [New Technology Area] This creation is about the improvement of the connection structure between a POS terminal and an expansion module, especially through a base, a display and an expansion module. The contact spring or contact bump of the module contacts the contact piece or the contact hole of the display screen to form an excellent signal transmission, and is suitable for the POS terminal used by the store or the selling place.
【先前技術】 按’現行的各大超商、商店或大賣場所使用之收銀機因 配合所販賣的商品越來越多元化下，及減少店員於銷售商品 時找錯錢或算錯帳會造成損失下，大多都改用終端機來 當收銀機’-方Φ可贿式將商品之名觀價目呈現於 螢幕上來點選，並能降低算錯帳或找錯錢的錯誤，真是快速 又方便。 、 然，現在的付款方式越來越多元化，除了信用卡外也開 始可以賴遊卡等卡方絲進行付狀動作，使得各大超 商、商店或大賣場除了 PQS終端機外皆需配合不同的付款方 式而準備多台的付款機器，造成收銀檀台上擺滿了多台的 機器及傳輸線，進而非常的不方便， 因此’本創作人有鑑於上述缺失，期能提出-種能於POS ，端機上結合··，以能增加·之運雌及實用性之 yos終端機與縣·連接結構处，令制者可輕易操作 二2潛心研思、設計組製’以提供使用者便利性，為本 創作人所欲研創之創作動機者。 3 【新型内容】 本創作之主要目的’在提供一種P0S終端機與擴充模組 ，接結構改良，透過底座、顯示屏及擴充模組之組合設計， 藉由擴充模組内之電路板上設有接觸彈片，而顯示屏一侧之 電路板上設有接觸片’且透過擴充模組之接觸彈片與顯示屏 之接觸片來相互接觸，以能將擴充模組内之資訊傳遞到顯示 屏内’使POS終端機與擴充模組之間資訊能快速傳遞，進而 增加整體之實用性者。 、本創作之次一目的，在提供一種POS終端機與擴充模組 連接結構改良’藉由擴充模_之電路板上設有接觸凸點， 而顯不屏一側之電路板上設有或接觸凹洞，且透過擴充模組 之接觸凸點與顯示屏之或接觸凹洞來相互接觸，以能將擴充 模，内之資訊傳遞_示軸，使pQS終端機與擴充模組之 間資訊月b快速傳遞，進而增加整體之實用性者。 ，本創作之再一目的，在提供一種POS終端機與擴充模組 連接結構改良，藉由擴充模組為光學指紋辨識器、智慧知扣 感應器（lButton)、磁條卡讀卡器（MSR)等裝置，使p〇s 終端機能具有多種不職置之裝配騎，進而增加整體 用性及實用性者。 一本創作之P0S終端機與擴充模組連接結構改良，係包括 有底座、一顯示屏及一擴充模組’該底座係延伸出支撐架， 供顯不屏架設於上面，而擴絲組絲設賤示屏之—側， 其特徵在於：該擴錢_之板上設有接卿片，而顯 不屏:側之電路板上财接則，透過擴充模組之接觸彈 與顯示屏之接則來相互接觸，以能將擴充模組内 遞到顯示屏内者。 、δ M410292 【實施方式】 請參閱第1至6圖’係為本創作實施例之示意圖，本創 作係一種P0S終端機與擴充模組連接結構改良，係包括有一 底座1〇、一顯示屏2 0及一擴充模組3 〇，該底座1〇係 延伸出支撐架11 ’供顯示屏2 0架設於上面，而擴充模組 3 0係裝設於顯示屏2 0之一側，其特徵在於：該擴充模組 3 0内之電路板31上設有接觸彈片3 2，而顯示屏2 〇 — 侧之電路板21上設有接觸片2 2，透過擴充模組3 〇之接 觸彈片3 2與顯示屏2 0之接觸片2 2來相互接觸，以能將 擴充模組3 0内之資訊傳遞到顯示屏2 〇内者。 另一實施方式係包括有一底座1〇、一顯示屏2 〇及一 擴充模組30，該底座10係延伸出支撐架丄丄，供顯示屏 2 0架設於上面，而擴充模組3 〇係裝設於顯示屏2 〇之一 側’其特徵在於：該擴充模組3 〇内之電路板3 i上設有接 觸凸點33 ’而顯示屏2◦-侧之電路板2i上設有接觸凹 洞2 3，透過擴充模組3 0之接觸凸點3 3與顯示屏2 〇之 接觸凹洞23來相互接觸，以能將擴充模組3〇之資訊傳遞 到顯不屏20内者。 ' 其中該顯示屏2 0 -側之殼體2 4上進-步财内凹部 241，而擴充模組30—侧之殼體34係形成凸部狀34 1 ’以能嵌入對合；而該擴充模組3 〇係為光學指紋辨識器 3 0 1、智慧鈕扣感應器（iButton)、磁條卡讀卡器（MSR) 3 0 2、迷你磁卡讀卡器（丽紐）、薄型磁卡讀+哭、 雙磁頭磁傾付⑽D)d针讀切⑽）、低抗 錄瑪機（Lo-co Encoder)、高低抗錄碼機（Hi c〇/L_ 5 M410292[Prior Art] The cash registers used by the current major supermarkets, shops or hypermarkets are increasingly diversified according to the goods being sold, and the shop assistants are looking for the wrong money or wrong accounts when selling goods. Under the loss, most of them use the terminal to use the cash register as a cashier. The party’s name is displayed on the screen, and the mistake of calculating the wrong account or finding the wrong money is really fast. Convenience. However, the current payment methods are becoming more and more diversified. In addition to credit cards, it is also possible to rely on card cards and other cards to make payment actions, so that all major supermarkets, stores or hypermarkets need to cooperate with PQS terminals. The payment method and the preparation of multiple payment machines, resulting in the cash register on the platform is full of multiple machines and transmission lines, which is very inconvenient, so the author of this creator in view of the above-mentioned shortcomings, can be proposed - can be POS The combination of the end machine and the yos terminal machine and the county connection structure that can increase the transportation of the female and the practical, so that the system can easily operate the second and the second, and design the system to provide user convenience. Sexuality is the creative motive for the creator's desire to create. 3 [New Content] The main purpose of this creation is to provide a P0S terminal and expansion module, which is improved by a combination of a base, a display and an expansion module, by extending the circuit board in the module. There is a contact elastic piece, and the contact plate on the circuit board on one side of the display screen is in contact with each other through the contact piece of the expansion module and the contact piece of the display screen, so that the information in the expansion module can be transmitted to the display screen. 'The information between the POS terminal and the expansion module can be quickly transmitted, thereby increasing the overall practicality. The second purpose of this creation is to provide a connection structure between the POS terminal and the expansion module. The contact pad is provided on the circuit board by the expansion mode, and the circuit board on the display side is provided or Contacting the cavity and contacting the contact bumps of the expansion module and the display or the contact holes to communicate the information of the expansion module, the axis, and the information between the pQS terminal and the expansion module The monthly b is quickly transmitted, which in turn increases the overall practicality. For the further purpose of the present invention, an improved connection structure between a POS terminal and an expansion module is provided, and the expansion module is an optical fingerprint identifier, a smart buckle sensor (lButton), a magnetic stripe card reader (MSR). And other devices, so that the p〇s terminal function can have a variety of unsuitable assembly rides, thereby increasing the overall usability and practicality. The connection structure of a created P0S terminal machine and an expansion module is improved, which comprises a base, a display screen and an expansion module. The base extends out of the support frame for displaying the screen without the screen, and the expanded wire is assembled. The side of the display screen is characterized in that: the expansion of the money board is provided with a piece of the film, and the screen is not displayed: the side of the circuit board is connected, through the contact module of the expansion module and the display screen The contacts are in contact with each other so that the expansion module can be delivered to the display. Δ M410292 [Embodiment] Please refer to Figures 1 to 6 for a schematic diagram of the present embodiment. This is a modified connection structure between a P0S terminal and an expansion module, which includes a base 1 and a display 2 0 and an expansion module 3, the base 1 extends out of the support frame 11' for the display screen 20 to be mounted thereon, and the expansion module 30 is mounted on one side of the display screen 20, which is characterized in that The contact panel 3 2 is disposed on the circuit board 31 of the expansion module 30, and the contact panel 22 is disposed on the circuit board 21 on the side of the display screen 2, and the contact spring 3 2 is transmitted through the expansion module 3 The contact piece 2 2 of the display screen 20 is in contact with each other to enable the information in the expansion module 30 to be transmitted to the display screen 2 . Another embodiment includes a base 1 , a display screen 2 , and an expansion module 30 . The base 10 extends out of the support frame for the display screen 20 to be mounted thereon, and the expansion module 3 Mounted on one side of the display screen 2' is characterized in that: the circuit board 3 i in the expansion module 3 is provided with a contact bump 33' and the circuit board 2i on the side of the display screen 2 is provided with contact The recesses 2 3 are in contact with each other through the contact bumps 3 3 of the expansion module 30 and the contact recesses 23 of the display screen 2, so that the information of the expansion module 3 can be transmitted to the display screen 20. Wherein the display screen 20 - the side housing 24 is advanced into the step recess 241, and the housing 34 of the expansion module 30 side is formed into a convex portion 34 1 ' to be able to be inserted into the mating; Expansion Module 3 is an optical fingerprint reader 3 0 1. Smart Button Sensor (iButton), Magnetic Stripe Card Reader (MSR) 3 0 2. Mini Magnetic Card Reader (Lini), Thin Magnetic Card Read + Crying, double head magnetic dumping (10) D) d needle reading (10)), low anti-recording machine (Lo-co Encoder), high and low anti-recording machine (Hi c〇 / L_ 5 M410292
Encoder)等其中任一；或擴充模組3 〇係為讀卡機模組 (ΜΟΟ、二合一讀卡機模組（BMCR)、迷你讀卡機模組（刪⑶）、 薄型讀卡贿組（SMCR)等其中任_ ;其愧擴充模組3 〇 及顯示屏2 0—側進一步於殼體24、34上各設有缺口2 4 2、3 4 2，以使擴充模組3 〇之接觸彈片3 2與顯示屏 2 0之接觸# 2 2能外露；或該擴充模組3 〇及顯示屏2 〇 一側進一步於殼體2 4、3 4上各設有缺口 2 4 2、3 4 2， 以使擴充模組3 0之接觸凸點3 3與顯示屏2 0之接觸凹洞 2 3能外露；另該擴充模組3 〇之殼體3 4上進一步設有螺 孔3 4 3，而顯示屏20—側之殼體24上進一步設有螺洞 2 4 3，藉此透過螺絲4〇穿過擴充模組3〇之螺孔343 鎖附於顯示屏2 0之螺洞2 4 3上，使擴模組3 ◦能緊密 結合於顯示屏2 〇上者。Encoder), etc.; or expansion module 3 is a card reader module (ΜΟΟ, 2 in 1 card reader module (BMCR), mini card reader module (deleted (3)), thin card bribe The group (SMCR) and the like _; the 愧 expansion module 3 〇 and the display 20 side are further provided with notches 2 4 2, 3 4 2 on the housings 24, 34, so that the expansion module 3 〇 The contact elastic piece 3 2 and the display screen 20 contact # 2 2 can be exposed; or the expansion module 3 〇 and the display screen 2 〇 side are further provided with notches 2 4 on the housings 2 4, 3 4 2 3 4 2, so that the contact bump 3 3 of the expansion module 30 and the contact recess 2 3 of the display screen 20 can be exposed; and the housing 3 4 of the expansion module 3 is further provided with a screw hole 3 4 3, and the housing 20 on the side of the display 20 is further provided with a screw hole 243, thereby being screwed through the screw hole 343 of the expansion module 3 to the screw hole of the display screen 20 On 2 4 3, the expansion module 3 can be tightly coupled to the display 2 。.
請參閱第1至6圖’係為本創作實施例之示意圖，而本 創作之P0S終端機與擴充模組連接結構改良最佳實施方式係 透過-底座1〇、-顯示屏2 〇及一擴充模組3 〇之組合設 計’該底座1〇係延伸出支撐架工i，供顯示屏2 Q架設於 上面二且該顯示屏2 〇係為觸控螢幕（如第工圖所示），使銷 售店員能於顯不屏2 〇上點選消費者所欲購買之商品及價 目’並此結帳及收錢且開立統—發票給消費者作為收據，而 擴充模組3 0係裝設於顯示屏2 〇之—侧，其中該顯示屏2 0-側之殼體24上設有内凹部241’其擴充模組3〇一 侧之殼體3 4係形成凸部狀3 4!，使擴充模組3 〇一侧殼 體之凸部狀3 41能嵌人顯示屏2 0-側殼體2 4之内凹部 2 41中以相互對合，而該擴充模組3 〇内之電路板3工上 設有接觸彈片3 2，且該接觸彈片3 2係具有稍為f曲弧面 6 M410292 而形成端點，另顯示屏2 〇—側之電路板21上設有接觸片 2 2，且該接觸>{ 2 2係為平整面，另在擴充模組3 〇及顯 示屏20-侧的殼體24、34上各設有缺口24 2、34 2 ’以使擴充模組3 0之接觸彈片3 2鋪示屏2 0之接觸 片2 2能外露於缺口以2、3 42外，且接觸彈片3 2與 接觸片2 2皆驗金銅片的導電材質，以使驗速傳導（如 . 帛4圖所示），藉此，當將擴充模組3 0裝上顯示屏2 〇時， 透過擴充模組3 0之殼體3 4上設有螺孔3 4 3，而顯示屏 • 2G—側之殼體24上設有螺洞24 3，而能以螺絲40穿 過擴充模組3 0之螺孔3 4 3鎖附於顯示屏2 〇之螺洞2 4 3上，使擴充模組3 〇能緊密結合於顯示屏2 〇上再者， 透過擴充模組3 0之接觸彈片3 2與顯示屏2 〇之接觸片2 2來相互接觸，使擴充模組3 〇之主機板3丨内的資訊能快 速傳遞到顯示屏2 〇的主機板21内，其中該擴充模組3◦ 可从為光學指紋辨識H3 Q 1、智慧姊感應器（iButt〇n)、 • 磁條卡讀卡器（MSR) 3 0 2、逑你磁卡讀卡器（丽SR)、薄 _ _卡讀卡器（丽）、雙磁頭磁卡讀卡器（_)、二合一 卡靖卡器（BMR)、低抗錄碼機（l〇-co Encoder)、高低抗 錄竭機（Hi-C0/L0-C0Encoder)等其中任一種，或是該擴充 模組3 〇可以為讀卡機模組（MCR)、二合一讀卡機模組 (随CR)、迷你讀卡機模組（MMCR)、薄型讀卡機模組（SMCR) 等其中任一種，使p〇S終端機1能具有多種不同裝置之裝配 用途’以提昇P〇S終端機1的附加功能者。 而另一種實施方式（如第5圖及第6圖所示）為該擴充 模、、且3 0内之電路板3 1上設有接觸凸點3 3，且該接觸凸 點3 3係具有向外凸出而形成端點，另顯示屏2 〇一侧之電 7 形:接觸： 洞23’且該接觸凹洞23係為内凹 顯以能緊箍接觸凸點3 3 ’另在擴充模組3 ◦及 側的殼體24、34上各設有缺口“2、3 3 /、該擴充模組3 0及顯示屏2 0 —侧於殼體2 4、 觸凸itir242、3 42’以使擴趣且3〇之接 2、= 3 3與顯示屏2 〇之接觸凹洞2 3能外露於缺口 2 4 _ Η ^ 2外’且接觸凸點3 3與接觸凹洞2 3皆設有鑛金 禮έ Q f材質之材料’以使能快速傳導，藉此，當將擴充 、j 3 〇裝上顯示屏2 〇時，透過擴充模組3 〇之殼體3 4 /又有螺孔3 4 3，而顯示屏2 〇-侧之殼體2 4上設有螺 洞2 4 3，而能以螺絲4〇穿過擴充模組3〇之螺孔343 鎖附於顯示屏2 ◦之職2 4 3上，使擴充模組3 〇能緊密 結合於顯示屏2 Q上，再者，透過擴充模組3◦之接觸凸點 3 3與顯*屏2 0之接觸關2 3來相互接觸，使擴充模組 3 0之主機板31内的資訊能快速傳遞到顯示屏2 〇的主機 板21内，其中該擴充模組3 〇可以為光學指紋辨識器3 〇 1、 智慧紐扣感應器（iButton)、磁條卡讀卡器（msr) 3〇 2、 迷你磁卡讀卡器（丽SR)、薄型磁卡讀卡器（tmsr)、雙 磁頭磁卡讀卡器（MSRD)、二合一磁卡讀卡器（BMR)、低抗錄 碼機(Lo-co Encoder )、高低抗錄碼機(Hi_co/L〇_c〇 Enc〇der ) 等其中任一種，或是該擴充模組3 〇可以為讀卡機模組 (MCR)、二合一讀卡機模組（BMCR)、迷你讀卡機模組(題〇〇、 薄型讀卡機模組（SMCR)等其中任一種，使P〇s終端機1能 具有多種不同裝置之裝配用途，以提昇P〇S終端機1的附加 功能者。 由以上詳細說明，可使熟知本項技藝者明瞭本創作的確 可1前述目的，實已符合專淑之規定，紐出專利申請。 以此限7彳⑽織航，當不能 及創作=== 故，凡依本創作申請專利範圍 本創作專‘蓋==間單的等效變化與修飾，皆應仍屬 【圖式簡單說明】 f1圖係為本創作實施例之外觀示意圖。 f 2圖係為本創作實施例之元件分解示意圖。 第3圖係為本創作實施例之擴充模組另-視角示意圖。 第4圖係為本創作實施例之組合剖面示意圖。 苐5圖係為本創作另一實施例元之件分解示意圖。 第6圖係為本創作另一實施例之組合剖面示意圖。 【主要元件符號說明】 1、POS終端機 1 0、底座 2 0、顯示屏 2 2、接觸片 2 4、殼體 2 4 2、缺口 3 0、擴充模組 3 0 2、磁條卡讀卡器 3 2、接觸彈片 3 4、殼體 3 4 2、缺口 4 0、螺絲 11、支撐架 21、電路板 2 3、接觸凹问 2 41、内凹部 2 4 3、螺洞 3 01、光學指紋辨識器 31、電路板 ° 3 3、接觸凹點 3 41、凸部狀 3 4 3、螺孔Please refer to FIGS. 1 to 6 for a schematic diagram of the present embodiment, and the preferred embodiment of the P0S terminal and expansion module connection structure of the present invention is through a base 1 -, a display 2 〇 and an expansion. The combination of the module 3 ' 'the base 1 延伸 extends out of the support frame i, for the display 2 Q to be erected on the top two and the display 2 为 is a touch screen (as shown in the figure), so that The sales clerk can select the products and prices that the consumer wants to purchase on the display screen, and then check and collect the money and open the system. The invoice is given to the consumer as the receipt, and the expansion module is installed. On the side of the display screen 2, the housing 24 on the display 20-side is provided with an inner recess 241', and the housing 3 4 on the side of the expansion module 3 is formed into a convex shape 3 4! The convex portion 3 41 of the expansion module 3 〇 one side of the housing can be embedded in the concave portion 2 41 of the display screen 20 - the side housing 2 4 to be mutually aligned, and the circuit in the expansion module 3 The plate 3 is provided with a contact elastic piece 32, and the contact elastic piece 32 has a slightly f-curved surface 6 M410292 to form an end point, and the display screen 2 〇-side circuit board 21 is provided with a contact piece 2 2, and the contact > { 2 2 is a flat surface, and the housing 24 , 34 on the side of the expansion module 3 〇 and the display screen 20 side is provided with a notch 24 2 , 34 . 2 ' so that the contact piece 3 2 of the expansion module 30 can be exposed to the notch 2, 3 42 outside, and the contact elastic piece 3 2 and the contact piece 2 2 are all gold-plated Conductive material to conduct the test speed (as shown in Fig. 4), whereby when the expansion module 30 is mounted on the display screen 2, the housing 3 through the expansion module 30 is provided The screw hole 3 4 3, and the display case 2G-side housing 24 is provided with a screw hole 24 3 , and can be screwed to the display screen 2 through the screw hole 3 4 3 of the expansion module 30 . The screw hole 2 4 3 allows the expansion module 3 to be tightly coupled to the display screen 2, and is in contact with each other through the contact spring piece 3 2 of the expansion module 30 and the contact piece 2 2 of the display screen 2 The information in the motherboard 3 of the expansion module 3 can be quickly transmitted to the motherboard 21 of the display screen 2, wherein the expansion module 3 can identify the H3 Q 1 and the smart sensor from the optical fingerprint. (iButt〇n), • Magnetic Card Reader (MSR) 3 0 2, 磁 your magnetic card reader (Li SR), thin _ _ card reader (Li), dual head magnetic card reader (_), two-in-one card card reader (BMR), low anti-recording machine (l〇-co Encoder), high and low anti-recording machine (Hi-C0/L0-C0Encoder), etc., or the expansion module 3 〇 can be a card reader module Group (MCR), 2-in-1 card reader module (with CR), mini card reader module (MMCR), thin card reader module (SMCR), etc., so that p〇S terminal 1 can There are a number of different devices for assembly purposes' to enhance the additional functionality of the P〇S terminal 1. The other embodiment (as shown in FIG. 5 and FIG. 6 ) is the expansion mode, and the circuit board 3 1 in the 30 is provided with a contact bump 3 3 , and the contact bump 3 3 has The outer end is convex to form an end point, and the other side of the display 2 is electrically 7-shaped: contact: the hole 23' and the contact recess 23 is recessed so as to be able to tightly contact the bump 3 3 ' The module 3 and the side housings 24, 34 are respectively provided with notches "2, 3 3 /, the expansion module 30 and the display screen 20 - side of the housing 2 4, the tentacles itir242, 3 42' In order to make the expansion and the connection between the 2, = 3 3 and the display 2 接触 contact recess 2 3 can be exposed to the notch 2 4 _ Η ^ 2 outside ' and the contact bump 3 3 and the contact recess 2 3 are There is a gold ritual Q 材质 material to enable rapid conduction, so that when the expansion, j 3 〇 is mounted on the display 2 ,, through the expansion module 3 〇 the shell 3 4 / have The screw hole 3 4 3, and the housing 2 〇-side of the housing 2 4 is provided with a screw hole 243, and can be screwed to the display screen 2 through the screw hole 343 of the expansion module 3〇 On the 2 4 3, the expansion module 3 can be tightly coupled to the display 2 Q Furthermore, the contact bumps 3 3 of the expansion module 3 and the contacts 2 of the display panel 20 are brought into contact with each other, so that the information in the motherboard 31 of the expansion module 30 can be quickly transmitted to the display screen 2 In the motherboard 21 of the motherboard, the expansion module 3 can be an optical fingerprint reader 3 〇 1, a smart button sensor (iButton), a magnetic stripe card reader (msr) 3 〇 2, a mini magnetic card reader (Li SR), thin magnetic card reader (tmsr), dual head magnetic card reader (MSRD), two-in-one magnetic card reader (BMR), low anti-recording machine (Lo-co Encoder), high and low anti-recording Any one of the code machines (Hi_co/L〇_c〇Enc〇der), or the expansion module 3 can be a card reader module (MCR), a 2-in-1 card reader module (BMCR), The mini card reader module (such as the 〇〇, the thin card reader module (SMCR), etc., enables the P〇s terminal 1 to have a variety of different device assembly uses to enhance the P〇S terminal 1 According to the above detailed description, it can be made clear to the skilled person that the creation of the creation can indeed achieve the above-mentioned purpose, and it has already met the requirements of the special Shu, and the patent application With this limit of 7彳(10) weaving, when it is impossible to create ===, the equivalent of the patent application scope of this creation, the equivalent change and modification of the cover == interval, should still be simple The f1 diagram is a schematic diagram of the appearance of the present embodiment. The f 2 diagram is a schematic diagram of the components of the creation embodiment. The third diagram is a schematic view of the expansion module of the creation embodiment. A schematic cross-sectional view of a combination of the present embodiments. The 苐5 diagram is a schematic diagram of the decomposition of another embodiment of the present invention. Figure 6 is a schematic cross-sectional view showing another embodiment of the present invention. [Main component symbol description] 1. POS terminal 1 0, base 2 0, display 2 2, contact piece 2 4, housing 2 4 2, notch 3 0, expansion module 3 0 2, magnetic stripe card reading 3, contact elastic piece 3 4, housing 3 4 2, notch 4 0, screw 11, support frame 21, circuit board 2 3, contact concave 2 41, inner recess 2 4 3, screw hole 3 01, optical fingerprint Recognizer 31, circuit board ° 3 3, contact pit 3 41, convex shape 3 4 3, screw hole