201241677 六、發明說明： 【發明所屬之技術領域】 [0001] 本發明涉及一種鍵盤，尤其涉及一種具有滑鼠滾輪功能 之鍵盤。 【先前技術】 [0002] 隨著科技之發展，電腦已經成為人們生活之必須品。目 前，鍵盤與滑鼠亦成為電腦習知之輸入工具。而大部分 鍵盤與滑鼠均係分開單獨使用。 [0003] 惟，滑鼠與鍵盤分開使用之操作方式使得鍵盤與滑鼠難 於同時操作。若需要進行滑鼠滚輪操作，則需要中斷鍵 盤操作，手之動作跨度大，而且思維容易被干擾打斷， 影響效率。 【發明内容】 [0004] 有鑒於此，有必要提供一種無需中斷鍵盤操作即可實現 滑鼠滚輪功能之鍵盤。 [0005] 一種具有滑鼠滚輪功能之鍵盤包括一鍵盤殼、一收容於 該鍵盤殼内之電路板、及一設於該鍵盤殼上之鍵柱。該 鍵盤殼設有一導筒。該導筒設有一貫穿該鍵盤殼之鍵孔 。該鍵孔用於收容該鍵柱。該鍵盤進一步包括一彈性元 件及一第一微動開關。該彈性元件一端連接於該鍵柱靠 近該電路板之一端，另一端連接於該電路板。該第一微 動開關設於該導筒之内壁，且與該電路板電性相連，當 該鍵柱之中心軸相對該鍵孔之中心軸傾斜且該鍵柱觸動 該第一微動開關時，該被觸動之第一微動開關產生一第 一開關電訊號並將該第一開關電訊號傳遞給該電路板， 100112878 表單編號A0101 第4頁/共16頁 1002021452-0 201241677 該電路板接收到該第一開關電訊號後將該第一開關電訊 號進行處理’以實現滑鼠滾輪之滾動功能。 [0006]與先前技術相比，本發明實施方式提供之具有滑鼠滚輪 功能之鍵盤可以藉由掰動一鍵柱，以使該鍵柱之中心軸 相對該鍵孔之中心軸傾斜且該鍵柱觸動該第一微動開關 。該被觸動之第一微動開關產生一第一開關電訊號並將 該第一開關電訊號傳遞給該電路板。該電路板接收到該 第一開關電訊號後將該第一開關電訊號進行處理，以實 0 現滑鼠滚輪之滾動功能，符合人們日常輸入習慣，且無 需將手從鍵盤上移開來實現滑鼠滾輪功能，提高了工作 效率。 【實施方式】 [0007] 請參閱圖1及圖2，本發明較佳實施方式提供之具有滑鼠 滾輪功能之鍵盤100包括一具有頂面1〇1鍵盤殼1〇、一設 置於鍵盤殼10内之電路板20、兩個設於鍵盤殼10上之第 一按鍵30及第二按鍵40。優選地，為了便於操作，本實 施方式中之第一按鍵30及第二按鍵4〇分別為j鍵及[鍵。 當然，第一按鍵30及第二按鍵4〇亦可以為鍵盤1〇〇之其他 按鍵，不限於本實施方式。當然，鍵盤殼1〇上除了第一 按鍵30及第二按鍵40還有複數其他按鍵。 [0008] 鍵盤殼10之頂面101上設有一導筒1〇3。導筒1〇3具有一 貫穿鍵盤殼10之鍵孔1031。鍵孔1〇31用於收容第一按鍵 30。當然’鍵盤殼10除了有導筒1〇3之外還有複數用於收 容其他按鍵之導筒。 第一按鍵30具有一鍵柱301及一設於鍵柱301遠離電路板 100112878 表單編號A0101 第5頁/共16頁 1002021452-0 [0009] 201241677 20之端部之鍵帽3〇3。鍵柱301收容於鍵孔1031内。 [0010] [0011] [0012] [0013] 為了實現滑鼠滾輪之滾動功能，鍵盤100還包括一彈性元 件50及一第一微動開關6〇。本實施方式中，彈性元件50 為彈簧絲。當然，彈性元件50亦可為彈簧片、彈簧墊等 其他彈性元件，不限於本實施方式。 彈性元件50 —端連接於鍵柱3〇1靠近電路板2〇之一端，另 一端連接於電路板2〇。 清一併參閱圖3，第一微動開關60設於導筒103之内壁， 且與電路板20電性相連。當鍵柱3〇1之中心軸相對鍵孔 1031之中心軸傾钭、鍵帽3〇3靠近使用者且鍵柱3〇1觸動 第一微動開關60時（即當使用者朝向使用者掰動第一按 鍵30且鍵柱301觸動第一微動開關60時），該被觸動之第 一微動開關60產生一第一開關電訊號並將該第一開關電 訊號傳遞給電路板2〇。電路板20接收到該第一開關電訊 號後將该弟一開關電訊號傳遞給電腦主機（圖未示）。 當電腦主機接收到該第一開關電訊號時，電腦主機會作 出相應動作，以實現滑鼠滾輪之下滾動功能。 可以理解的是，當鍵柱301之中心軸相對鍵孔1〇31 轴傾斜時，彈性元件50會相應地發生彈性 ^ 〜燹。當使用 者離開第一按鍵30時，彈性元件50會提供彈性。> 以使鍵柱301恢復到未被掰動之狀態。 ’ [0014] 一、3 —興第 目對之第二微動開關70。第二微動開關7〇硬灰 内壁且與電路板20電性相連。當鍵桂3〇1之1 關60相對之第 103之 100112878 表單編號Α0101 第6頁/共16頁 1002021452-0 201241677 相對鍵孔1031之中心轴傾斜、鍵帽303遠離使用者且鍵枉 301觸動第二微動開關70時（即當使用者背離使用者掰動 第一按鍵30且鍵柱301觸動第二微動開關70時），該被觸 動之第二微動開關70產生一第二開關電訊號並將該第二 開關電訊號傳遞給電路板20。電路板20接收到該第二開 關電訊號後將該第二開關電訊號傳遞給電腦主機。當電 腦主機接收到該第二開關電訊號時，電腦主機會作出相 應動作，以實現滑鼠滚輪之上滾動功能。 0 [0015] 當然，若根據設計需要，當使用者背離使用者掰動第一 按鍵30且鍵柱301觸動第一微動開關60並未觸動第二微動 開關70時，該被觸動之第一微動開關60亦可以產生一用 於實現滑鼠滾輪之上滚動功能之電訊號，不限於本實施 方式。此時，使用者朝向使用者掰動第一按鍵30且鍵柱 301觸動第二微動開關70並未觸動第一微動開關60時，該 被觸動之第二微動開關70亦可以產生一用於實現滑鼠滾 輪之下滾動功能之電訊號。 ❹[0016] 優選地，本實施方式中，為了讓鍵柱301能更容易地觸動 第一微動開關60或者第二微動開關70，鍵柱301與第一微 動開關60及第二微動開關70相對之兩側面分別設有截面 呈三角形之凸塊305及凸塊307，且凸塊305及凸塊307之 頂點分別朝向第一微動開關60及第二微動開關70。當然 ，凸塊305及凸塊307之截面亦可以為梯形、半圓形等其 他形狀’不限於本實施方式。 [0017] 第二按鍵40之結構與第一按鍵30之結構大體上相同，不 同之處在於：第二按鍵40之鍵柱上並未連接彈性元件5〇 100112878 表單編號AG101 第7頁/共16頁 1002021452-0 201241677 ，用於收容第二按鍵40之導筒之内壁並未設有第一微動 開關60及第二微動開關70。 [0018] [0019] [0020] [0021] 虽然，導筒103上亦可以不安裝第二微動開關7〇。此時， 將第二按鍵4〇上設一與電路板2〇相連之彈性元件5〇，用 於收谷第二按鍵40之導筒之内壁亦設一與電路板2〇電性 相連之微動開關’則树動第二按鍵4 0亦可以實現滑鼠滚 輪之上滚動功能，不限於本實施方式。 為了將滑鼠之左鍵功能、右鍵功能及控制游標移動功能 全部結合到鍵盤1〇〇上，鍵盤1〇〇還包括一觸控板8〇及一 觸控板90。本實施方式中，觸控板go及觸控板9〇均為電 阻式觸控板。當然’觸控板及觸控板9〇亦可以為電容 式觸控板、光學式觸控板等其他觸控板，不限於本實施 方式。 觸控板80及觸控板9〇分別設於第一按鍵30之鍵帽303及 第二按鍵40之鍵帽上，且均與電路板2〇電性相連，以將 觸控板80及觸控板9〇所感測到之電訊號傳遞給電路板2〇 〇 當觸控板80或觸控板90感測到物體（例如觸控筆或者手 指）輕擊而未按下第一按鍵3〇或者第二按鍵40時，則觸 控板80或觸控板9〇產生一第一觸控電訊號或者第二觸控 電訊號並將該第一觸控電訊號或者第二觸控電訊號傳遞 給電路板20，電路板20接收到該第一觸控電訊號或者第 二觸控電訊號後將該第一觸控電訊號或者第二觸控電訊 號傳遞給電腦主機，當該電腦主機接收到該第一觸控電 100112878 表單編號A0101 第8頁/共16頁 1002021452-0 201241677 訊號或者第二觸控電訊號時，該電腦主機會作出相應動 作，以使第一按鍵30或第二按鍵具備滑鼠右鍵功能或 者滑鼠左鍵功能；若感測到物體在觸控板80或者觸控板 90上平行於頂面1〇1移動，則觸控板80或觸控板9〇會產 生一第三觸控電訊號或者第四觸控電訊號並將該第三觸 控電訊號或者第四觸控電訊號傳遞給電路板20，電路板 20接收到該第三觸控電訊號或者第四觸控電訊號後將該 第三觸控電訊號或者第四觸控電訊號傳遞給電腦主機， 當該電腦主機接收到該第三觸控電訊號或者第四觸控電 〇 .. 訊號時，該電腦主機會作出相應動作，以使游標在顯示 屏（圖未示）之右半區域或者顯示屏之左半區域隨著該 物體在觸控板80或者觸控板90上之移動而移動；若第一 按鍵30或第二按鍵4〇被該物體垂直頂面ιοί按下且接觸到 電路板20時’則電路板2〇會產生一第一接觸電訊號或者 第二接觸電訊號並將將該第一接觸電訊號或者第二接觸 電訊號傳遞給電腦主機，當該電腦主機接收到該第一接 Q 觸電訊號或者第二接觸電訊號時，該電腦主機會作出相 應動作，以使第一按鍵30或第二按鍵4〇能夠正常地輸入 字符。 [0022]以下將以J鍵為例來進一步說明如何實現滑鼠功能。當第 微動開關60被觸動，則在電腦主機之控制下，j鍵會實 現滑鼠滾輪之下滾動功能；當】鍵被輕擊而未被按下，則 J鍵在電腦主機之控制下會實現滑鼠右鍵功能 :當J鍵上 之觸控板感測到物體在觸控板上平行於頂面1〇1移動，則 在電腦主機之㈣下，游魏會在顯示幕之右半區域上 100112878 表單編號A0101 第9頁/共16頁 1002021452-0 201241677 隨著物體在j鍵之觸控板上之移動而移動；當】鍵被物體 垂直於頂面101按下，則在電腦主機之控制下’ j鍵能夠 正常輸入字符j。 _本實施方式提供之鍵盤100可以藉由辩動-鍵柱301，以 使當該鍵柱之令心軸相對鍵孔1031之中心軸傾斜且鍵柱 301觸動该第—微動開關6〇時，該被觸動之第一微動開關 60產生一第一開關電訊號並將該第一開關電訊號傳遞給 電路板20。電路板2〇接收到該第—開關電訊號後將該第 一開關電訊號進行處理，以實現滑鼠滾輪之滾動功能， 符合人們日常之輸入習慣，且無需將手從鍵盤上移開來 實現滑鼠/袞輪功能，提高了工作效率。此外，鍵盤1〇〇將 滑鼠之左鍵功能、右鍵功能及控制游標移動功能全部結 合到第一按鍵30及第二按鍵40上，不僅可以減少電腦週 邊部件，還可以省去很多連接線，符合現代產品一體化 、簡便化之需求。 [0024] 综上所述，本發明確已符合發明專利之要件，遂依法提 出專利申請。惟，以上所述者僅為本發明之較佳實施方 式’自不能以此限制本案之申請專利範圍。舉凡熟悉本 案技藝之人士援依本發明之精神所作之等效修飾或變化 ，皆應涵蓋於以下申請專利範圍内。 【圖式簡單說明】 [0025] 圖1係本發明實施方式提供之具有滑鼠滾輪功能之鍵盤之 示意圖。 [0026] 圖2係圖1中之鍵盤之按鍵沿11 - Π線之剖面圖。 100112878 表單編號A0101 第〗〇頁/共16頁 1002021452-0 201241677 [0027] 圖3係圖1中具有滑鼠滾輪功能之鍵盤之方框圖。 [0028] 【主要元件符號說明】 鍵盤：100 [0029] 鍵盤殼：10 [0030] 電路板：20 [0031] 第一按鍵：30 [0032] 第二按鍵：40 0 [0033] 頂面：101 [0034] 導筒：103 [0035] 鍵孔：1031 [0036] 鍵柱：301 [0037] 鍵帽：303 [0038] 凸塊：305、307 ^ [0039] 彈性元件：50 [0040] 第一微動開關：60 [0041] 第二微動開關：70 [0042] 觸控板：80、90 100112878 表單編號Α0101 第11頁/共16頁 1002021452-0201241677 VI. Description of the Invention: [Technical Field] [0001] The present invention relates to a keyboard, and more particularly to a keyboard having a mouse wheel function. [Prior Art] [0002] With the development of technology, computers have become a necessity for people's lives. At present, the keyboard and mouse have become the input tools of computer learning. Most keyboards and mice are used separately. [0003] However, the operation mode in which the mouse is used separately from the keyboard makes it difficult to operate the keyboard and the mouse at the same time. If you need to perform the mouse wheel operation, you need to interrupt the keyboard operation. The movement of the hand is large, and the thinking is easily interrupted by interference, which affects the efficiency. SUMMARY OF THE INVENTION [0004] In view of the above, it is necessary to provide a keyboard that realizes the function of the mouse wheel without interrupting the keyboard operation. [0005] A keyboard having a mouse wheel function includes a keyboard case, a circuit board housed in the keyboard case, and a key post disposed on the keyboard case. The keyboard case is provided with a guide tube. The guide cylinder is provided with a keyhole extending through the keyboard case. The keyhole is for receiving the key post. The keyboard further includes an elastic member and a first micro switch. The elastic member is connected at one end of the key column to one end of the circuit board and at the other end to the circuit board. The first micro switch is disposed on the inner wall of the guide tube and electrically connected to the circuit board. When the central axis of the key column is inclined with respect to the central axis of the keyhole and the key column touches the first micro switch, The first micro switch that is activated generates a first switch electrical signal and transmits the first switch electrical signal to the circuit board, 100112878 Form No. A0101 Page 4 / Total 16 Page 1002021452-0 201241677 The circuit board receives the first After switching the electrical signal, the first switch electrical signal is processed to implement the scrolling function of the mouse wheel. Compared with the prior art, the keyboard with the mouse wheel function provided by the embodiment of the present invention can tilt the central axis of the key column with respect to the central axis of the keyhole by pressing a key column and the key The column touches the first micro switch. The first microswitch that is activated generates a first switching electrical signal and transmits the first switching electrical signal to the circuit board. After receiving the first switch electrical signal, the circuit board processes the first switch electrical signal to realize the scroll function of the mouse wheel, which conforms to people's daily input habits, and does not need to remove the hand from the keyboard to achieve The mouse wheel function improves work efficiency. [0007] Referring to FIG. 1 and FIG. 2, a keyboard 100 having a mouse wheel function according to a preferred embodiment of the present invention includes a top cover 1 〇 1 keyboard case 1 〇 and a keyboard case 10 The circuit board 20 and the first button 30 and the second button 40 are disposed on the keyboard case 10. Preferably, for ease of operation, the first button 30 and the second button 4 in the present embodiment are respectively a j key and a [key. Of course, the first button 30 and the second button 4〇 may also be other buttons of the keyboard 1,, and are not limited to the embodiment. Of course, in addition to the first button 30 and the second button 40, the keyboard case 1 has a plurality of other buttons. [0008] A guide cylinder 1〇3 is disposed on the top surface 101 of the keyboard case 10. The guide bush 1〇3 has a keyhole 1031 extending through the keyboard case 10. The keyhole 1〇31 is for housing the first button 30. Of course, the keyboard case 10 has a plurality of guide tubes for receiving other buttons in addition to the guide tubes 1〇3. The first button 30 has a key post 301 and a keycap 3〇3 disposed at the end of the key column 301 away from the circuit board 100112878 Form No. A0101 Page 5 / Total 16 page 1002021452-0 [0009] 201241677. The key post 301 is housed in the keyhole 1031. [0013] [0013] In order to realize the scrolling function of the mouse wheel, the keyboard 100 further includes an elastic element 50 and a first micro switch 6〇. In the present embodiment, the elastic member 50 is a spring wire. Of course, the elastic member 50 may be other elastic members such as a spring piece or a spring pad, and is not limited to the embodiment. The end of the elastic member 50 is connected to the key post 3〇1 near one end of the circuit board 2〇, and the other end is connected to the circuit board 2〇. Referring to FIG. 3, the first micro switch 60 is disposed on the inner wall of the guide cylinder 103 and electrically connected to the circuit board 20. When the central axis of the key post 3〇1 tilts relative to the central axis of the keyhole 1031, the key cap 3〇3 approaches the user and the key post 3〇1 touches the first micro switch 60 (ie, when the user is tilted toward the user) When the first button 30 and the key column 301 touches the first micro switch 60, the first micro switch 60 that is activated generates a first switch electrical signal and transmits the first switch electrical signal to the circuit board 2 . After receiving the first switch electrical signal, the circuit board 20 transmits the switch-one electrical signal to the host computer (not shown). When the host computer receives the first switch signal, the host computer will perform corresponding actions to implement the scroll function under the mouse wheel. It can be understood that when the central axis of the key column 301 is inclined with respect to the keyhole 1〇31 axis, the elastic member 50 will correspondingly elastically 燹. The elastic member 50 provides elasticity when the user leaves the first button 30. > to restore the key column 301 to a state in which it is not shaken. [0014] One, three, and the second micro switch 70. The second micro switch 7 is hard gray inner wall and electrically connected to the circuit board 20. When the key 〇3〇11 off 60 is opposite the 103th 100112878 Form No. Α0101 Page 6/Total 16 Page 1002021452-0 201241677 The central axis of the keyhole 1031 is tilted, the keycap 303 is away from the user and the key 301 is touched When the second micro switch 70 is turned off (that is, when the user turns away from the user to shake the first button 30 and the key post 301 touches the second micro switch 70), the touched second micro switch 70 generates a second switch electrical signal and The second switch electrical signal is transmitted to the circuit board 20. The circuit board 20 transmits the second switch electrical signal to the host computer after receiving the second switch electrical signal. When the computer host receives the second switch signal, the host computer will perform corresponding actions to implement the scroll function on the mouse wheel. [0015] Of course, if the user touches the first button 30 away from the user and the first micro switch 60 does not touch the second micro switch 70 according to the design requirement, the first micro-motion is touched. The switch 60 can also generate a telecommunication signal for implementing the scrolling function on the mouse wheel, and is not limited to the embodiment. At this time, when the user tilts the first button 30 toward the user and the key column 301 touches the second micro switch 70 and does not touch the first micro switch 60, the touched second micro switch 70 can also generate a The electrical signal of the scroll function under the mouse wheel. [0016] Preferably, in the embodiment, in order to make the key column 301 more easily touch the first micro switch 60 or the second micro switch 70, the key column 301 is opposite to the first micro switch 60 and the second micro switch 70. The two sides are respectively provided with a protrusion 305 and a protrusion 307 having a triangular cross section, and the apexes of the protrusion 305 and the protrusion 307 face the first micro switch 60 and the second micro switch 70, respectively. Of course, the cross-section of the bump 305 and the bump 307 may be trapezoidal or semi-circular, and other shapes are not limited to the embodiment. [0017] The structure of the second button 40 is substantially the same as that of the first button 30, except that the elastic element is not connected to the key column of the second button 40. 5〇100112878 Form No. AG101 Page 7 of 16 Page 1002021452-0 201241677, the inner wall of the guide cylinder for accommodating the second button 40 is not provided with the first micro switch 60 and the second micro switch 70. [0019] [0021] Although the second micro switch 7A may not be mounted on the guide cylinder 103. At this time, the second button 4 is provided with an elastic member 5〇 connected to the circuit board 2〇, and the inner wall of the guide cylinder for the second button 40 of the valley is also provided with a micro-motion electrically connected to the circuit board 2 The switch 'the second button 40 can also realize the scrolling function on the mouse wheel, and is not limited to the embodiment. In order to integrate the left button function, the right button function and the control cursor movement function of the mouse to the keyboard, the keyboard 1A further includes a touch panel 8A and a touch panel 90. In this embodiment, the touch panel go and the touch panel 9 are all resistive touch panels. Of course, the touch panel and the touch panel 9 can also be other touch panels such as a capacitive touch panel and an optical touch panel, and are not limited to the embodiment. The touchpad 80 and the touchpad 9 are respectively disposed on the keycaps 303 of the first button 30 and the keycaps of the second button 40, and are electrically connected to the circuit board 2 to touch the touchpad 80 and touch The electrical signal sensed by the control board 9 is transmitted to the circuit board 2. When the touchpad 80 or the touchpad 90 senses an object (such as a stylus or a finger) tapping without pressing the first button 3〇 Or the second button 40, the touch panel 80 or the touch panel 9 generates a first touch signal or a second touch signal and transmits the first touch signal or the second touch signal. The circuit board 20, after receiving the first touch signal or the second touch signal, the circuit board 20 transmits the first touch signal or the second touch signal to the host computer, when the computer host receives When the first touch device 100112878 form number A0101 page 8 / page 16 1002021452-0 201241677 signal or the second touch signal, the computer host will perform corresponding actions to make the first button 30 or the second button Right mouse button or left mouse button function; if the object is touched on the touchpad 80 or The control panel 90 moves parallel to the top surface 1〇1, and the touch panel 80 or the touch panel 9〇 generates a third touch electrical signal or a fourth touch electrical signal and the third touch electrical signal or The fourth touch signal is transmitted to the circuit board 20, and the circuit board 20 receives the third touch signal or the fourth touch signal and transmits the third touch signal or the fourth touch signal to the computer. The host computer, when the computer host receives the third touch signal or the fourth touch switch signal, the computer host performs a corresponding action to make the cursor in the right half of the display (not shown) Or the left half of the display moves as the object moves on the touchpad 80 or the touchpad 90; if the first button 30 or the second button 4 is pressed and touched by the object's vertical top surface ιοί When the circuit board 20 is, then the circuit board 2 产生 generates a first contact electrical signal or a second contact electrical signal and transmits the first contact electrical signal or the second contact electrical signal to the computer host, when the computer host receives The first Q-contact or second contact telecommunication When the number is reached, the host computer will perform corresponding actions to enable the first button 30 or the second button 4 to input characters normally. [0022] The following uses the J key as an example to further illustrate how to implement the mouse function. When the micro switch 60 is touched, under the control of the host computer, the j key will realize the scroll function under the mouse wheel; when the 】 key is tapped and not pressed, the J key will be under the control of the computer host. Realize the right mouse button function: When the touchpad on the J key senses that the object moves on the touchpad parallel to the top surface 1〇1, then under the computer host (4), the game Weihui is in the right half of the display screen. On 100112878 Form No. A0101 Page 9 / Total 16 Page 1002021452-0 201241677 As the object moves on the touchpad of the j key; when the key is pressed by the object perpendicular to the top surface 101, it is in the computer host Under the control, the 'j key can input the character j normally. The keyboard 100 provided by the present embodiment can be used by the symmetry-key column 301 such that when the key shaft of the key column is inclined with respect to the central axis of the keyhole 1031 and the key post 301 touches the first micro switch 6 , The first microswitch 60 that is activated generates a first switching electrical signal and transmits the first switching electrical signal to the circuit board 20. The circuit board 2 receives the first switch electrical signal and processes the first switch electrical signal to implement the scrolling function of the mouse wheel, conforming to people's daily input habits, and eliminating the need to remove the hand from the keyboard. The mouse/wheel function improves work efficiency. In addition, the keyboard 1 结合 combines the left button function, the right button function and the control cursor movement function of the mouse to the first button 30 and the second button 40, which can not only reduce the peripheral components of the computer, but also save a lot of connecting lines. It meets the needs of modern product integration and simplicity. [0024] In summary, the present invention has indeed met the requirements of the invention patent, and the patent application is filed according to law. However, the above description is only a preferred embodiment of the present invention, which is not intended to limit the scope of the patent application of the present invention. Equivalent modifications or variations made by persons skilled in the art in light of the spirit of the invention are intended to be included within the scope of the following claims. BRIEF DESCRIPTION OF THE DRAWINGS [0025] FIG. 1 is a schematic diagram of a keyboard having a mouse wheel function according to an embodiment of the present invention. 2 is a cross-sectional view of the key of the keyboard of FIG. 1 taken along line 11 - Π. 100112878 Form No. A0101 Page /Page/Total 16 Page 1002021452-0 201241677 [0027] FIG. 3 is a block diagram of the keyboard with the mouse wheel function of FIG. [0020] [Key component symbol description] Keyboard: 100 [0029] Keyboard case: 10 [0030] Circuit board: 20 [0031] First button: 30 [0032] Second button: 40 0 [0033] Top surface: 101 [0034] Guide tube: 103 [0035] Keyhole: 1031 [0036] Key column: 301 [0037] Key cap: 303 [0038] Bump: 305, 307 ^ [0039] Elastic element: 50 [0040] Micro Switch: 60 [0041] Second Micro Switch: 70 [0042] Touchpad: 80, 90 100112878 Form Number Α 0101 Page 11 / Total 16 Page 1002021452-0