201243653 六、發明說明： 【發明所屬之技術領域】 本發明係關於一種感測式輸入裝置及其輸入方法，特別是 一種模擬鍵盤之感測式輸入裝置及其輸入方法。 【先前技術】 隨著電腦的普及，鍵盤以及滑鼠已成為一般大眾接受程度 最高的資訊輸入裝置。但是傳統的實體鍵盤體積較大而難以收 納’更不會有使用者願意做為輸入裝置而隨身攜帶。 對此近來有廠商開發了觸控面板（T〇uchPanel)的輸入技 術。但電阻式的觸控面板透光率較差；電容式的觸控面板雖透 光率佳，但工作時較易受到溫度、溼度或是接地狀況影響，故 穩定性較差。且觸控面板雖較實體鍵盤輕薄，但體積大而佔空 間’因此在攜帶上仍有不便。 亦有廠商開發出投影式虛擬鍵盤的技術，以期取代傳統的 實體鍵盤。但是投影式虛擬鍵盤需要一直投影所模擬之鍵盤晝 面因此非常耗電。且由於投影的技術有顯示以及使用角度限 制因此這種虛擬鍵盤並不易於使用。此外，投影式虛擬鍵盤 的體積較大，難也違背了電子產品之重量輕、體積小及方便 攜帶的研發趨勢。 【發明内容】 、為了解決上述問題，提出-種制式輸人裝置及其輸入方 法。感測式輸入裝置包括多個感測單元以及一處理單元。其中 201243653 感測單元可包括—紅外線發射器以及—影像接收II。紅外線發 射器用以發出—紅外線；而影像接㈣與紅外線發射器成對， 用以接收被反射的紅外線。感測式輸人裝置的輸人方法包括： 利用感測單元_感測單元構成的—伽樞域中的—物件；古賣 取每一個_單元的-_雜值；以及將_雜值轉換成 對應之一輸入訊號。 處理單元可依據這些_距離值計算物件在_區域的 一物件位置’並將物件位換成輸域號。更詳細地說，偵 測區域可被分觀多個按鍵區域，喊理單元可依據物件位置 比對-她區雜置表得恥件所麵按舰域，再將按鍵區 域轉換成輸入訊號。 感測式輸入褒置另可包括一鍵盤表示單元。鍵盤表示單元 配置於偵漸域之巾，肋絲這些按域。_盤表示單 *可模擬表不電崎盤，按鍵區域個別模擬電腦鍵盤的一按 感測式輸入農置亦可包括一傳輸單元；傳輸單元以無線或 有線的方式將對應於物件的輸人訊號傳送給—電子裝置。 根據-實施範例，當任_感測單元在_區域中偵測到物 件時，偵_物件的感測單靖算其與物件之間的距離作為偵 2離值。反之，纽—_單元在娜物有偵測到物 牛時’沒有偵_物件的感測單元設定—内定值（祕此 作為伽_值，以絲沒有侧到物件。 201243653 而處理單兀可以將偵測距離值不是内定值的至少—個唪 測早作為-縣單元，再將選取單元的位置作為物件位置的 -縱座標，以及將觀單元的彳貞測距離值作為物件位置的一橫 座標。 、 綜上所述’感測式輸人裝置及其輸人方法利賊測單元偵 測位於_區域之物件的制距離值，並將其轉換為對應於物 件的輸入訊號。感測式輸入裝置僅需感測單元以及處理單元即 可運作，因錄便又容易顧；且其成本遠較習知的觸控面板 或是投影式虛擬鍵盤低廉。 【實施方式】 以下在貫細；方式中詳細敘述本發明之詳細特徵以及優 點’其内容足以使任何熟習相關技藝者了解本發明之技術内容 並據以實施，且根據本說明書所揭露之内容、申請專利範圍及 圖式’任何熟習相關技藝者可輕易地理解本發明相關之目的及 優點。 本發明提出一種感測式輸入裝置及其輸入方法，其可用以 模擬傳統的鍵盤等輸入裝置。請參照「第1A圖」，其係為一 實施範例之感測式輸入裝置之方塊圖。 感測式輸入裝置10包括多個感測單元I2a、12b、12c、 I2d以及12e (以下統稱感測單元12)以及一處理單元μ。 其中各個感測單元12可以例如是紅外線距離感測器或是超音 波距離感測器。根據一實施範例，每一感測單元12可具有鄰 201243653 近配，且成對的—紅外線發射器以及—影像接收器。紅外線 &射™係用以發出—紅外線’而影像接收器則用以接收被反 射的紅外線。 感測單元12本身判斷發出的紅外線是否被阻擋，以判 斷是否有任何物件3G位於其_。並且藉由影像接收器 接收到的被物件3〇反射之紅外線強弱，讓感測單元a可以 得知此物件30與自身之間的距離。 凊同時參照「第2圖」，其係為—實施範例之感測式輸入 裝置的輸入方法之流程圖。 首先利用感測單元i2债測位於這些感測單元i2所構成的 -偵測區域20中的物件3〇 (步驟S1⑻），其中物件％例如可 以是使用者的手指頭或是觸控筆的筆尖。須注意的是，偵測區 域20的大小可由處理單元14設定，並非是這些制單元η 能力所及的感測範圍。例如—般的紅外線距離偵測器所能達成 的感測範圍為5公分到45公分之間，但感測式輸人裝置ι〇的 偵測區域20可依需求被設置為5公分到3〇公分之間。換言 之’雖然制單元I2在物理上能_到5公分到Μ公分之門 的物件如’但是感測式輸入裝置1〇可以只判斷是否有物件3曰〇 落於距離其5公分到30公分之間的偵測區域2()。如果有偵測 到位於偵測區域20以外的物件3〇，可置之不理。 具情則區域20可被分割成多個按鍵區域22;而感淨 輸入裝置财可内建有—按鍵區域位置表，以紀錄分卿 201243653 區域22的方式。感测式輸入裝置10之中亦可儲存多個不同的 按鍵區域位置表，以對應於不同大小的侧區域20以及按鍵 區或22透過感測式輸入裝置10的—切換鍵或切換開關，使 用者可依照需求切換感測式輸入裝置1〇目前對應的按鍵區域 位置表。此外，按鍵區域位置表亦可從外部被更新。 ，…、第1B圖」’其係為另一實施範例之感測式輸入 裝置之方塊圖。 為了方便使用者得知目前的按鍵區域22的配置，感測式 輸入裝置ίο可包括一鍵盤表示單元18。鍵盤表示單元18配 .置於偵測區域20之中，且鍵盤表示單元18的多健擬按鍵 182用以表示各按鍵區域22。鍵盤表示單元18可以表示一電 月邊盤’ 些按鍵區域22以及模擬按鍵182個別模擬電腦鍵 盤的按鍵。例如可用以模擬標準QWERTY鍵盤、數字鍵盤， 或疋由使用者自#定義按鍵配置之鍵盤。而每個按鍵區域Μ 以及模擬按鍵182則代表所模擬之鍵盤上的各個按鍵，例如 「Q」鍵或是「1」鍵。 更具體地說，鍵盤表示單元18可以是印刷有模擬按鍵182 的塑膠板或紙張’其材質可以是可徺材質或是不可撓材質。鍵 盤表不單7G 18甚至可以是—張手卫晝有模擬按鍵182的便條 紙’本發明並不限制鍵盤表示單元18以及模擬按鍵182的表 現方法。 鍵盤表示單元18本身可超出_區域20，但須被使用的 201243653 按鍵區域22 (模擬按鍵182)都須配置於偵測區域2〇之中。 且較佳的是，按鍵區域22 (模擬按鍵182)彼此不重疊。 為了判斷物件30在_區域2㈣一物件位置，處理單元 14讀取每一個感測單元^的一偵測距離值（麵S110)。其 I感測單元12可是蚊週期性發射紅外線、接收紅外線並計 异偵測距離值，以供處理單元14讀取輯。感測單元η也可 以是被處釋元14發出的齡觸發後稍始進行偵測。 根據-實施範例，當任一感測單元12在偵測區域2〇中伯 測到物件30時’彳貞綱物件3G喊測單元12計算其與物件 3〇之間的距離作為偵測距離值。例如「第ia圖」巾的感 凡12b偵測到物件30，並回報的感測單元12b與物件^之間 的距離作為_轉值，#任—感測單元Η在侧區域如 t沒有偵_物件3G時，沒有_到物件3()的感測單元12 (，如「第1八圖」中的感測單元12a、12c、i2d以及叫 "又疋内疋值（default value)作為偵測距離值，以表示沒有 偵測到物件30。 得到各個_單元12的_距離值之後，處理單元Μ並 將偵測距離值轉換成對應之一輸入訊號（步驟$⑽）。處理單 元14依據這麵測單元12的位置以及偵測輯值，計算物件 3〇在偵漸域2G的物件位置。處理單元14再依據物件位置 比對目前使用的按鍵區域位置表，以得到物件3g所在的按鍵 區域22 ’再將按鍵區域22轉換成輸入訊號。 201243653 更詳細地說，處理單元14可先將偵測距離值不是内定值 的至少-個_單it 12作為—選取單元；將此觀單元的位 置乍為物件3〇在偵測區域2〇的物件位置的一縱座標；並將選 取早痛偵測距離值作為物件位置的一橫座標。以「第认圖」 為例’唯-憤測到物件3〇的感測單元12b位於第2排，且假 汉物件30與感測單& 12b之間的距離為2〇公分，則處理單元 14可得知目前物件3〇的物件位置為（2〇，2)。 處理單元14計算得到物件位置之後，依據物件位置比對 按鍵區域位置表得到物件3〇所在的按鍵區域22，再將按鍵區 域22轉換成輸入訊號。按鍵區域位置表中可以紀錄每一個按 鍵區域22對應的座標範圍，處理單元14比對物件位置所落入 座標範圍便可反向得到對應的按鍵區域22。 且在步驟S120之後，處理單元14可透過一傳輸單元16 以無線或有線的方式將對應於物件3〇的輸入訊號傳送給一電 子裝置40。其中電子裝置4〇可以是手機或平板式電腦等不利 於配置實體鍵盤的移動式裝置。假設處理單元14查閱按鍵區 域位置表得知物件30對應於「w」鍵之按鍵區域22，便發出 代表「W」鍵之輸入訊號給電子裝置40。此外，若有其他的 物件30同時位於不同排按鍵區域22中，也會被其他的感測單 元12a、12c、12d或是I2e偵測到。 除此之外，測式輸入裝置並可有多種實施範例’如「第 3A圖」到「第3D圖」所示。 10 201243653 \ 3A圖」之實施範例中，感測單元12的紅外線發 φ :可财平發射紅外線。當感測單元12沒酬測區域20 <測到物件3G時’可將預先設定_定值作為制距離 值，以表示沒有偵測到物件3〇。 而於第3Β圖」之實施範例中，感測單元12的红外線 發射器略鮮發射紅外線；發射出敝外線麵_區域20 的邊緣處被鍵盤表示單元18或桌祕擋。則當感測單元12沒 有在__ Μ中軸後件料侧距離值會是所能得 到的臨界值，以絲沒麵測到物件30。 、較佳的是’感測單元12配置於貼近桌.面等較低的位置， 以免^測到使用者的手掌或其他不相關的物體而被造成誤列。 若使用者所需的偵測區域2〇較大而超出感測單元12物理 上的感測細’ _式輸人裝置⑴可併社右兩組感測單元 12如帛％圖」。處理單元M讀取左右兩組所有的感測單 元12之後，再執行步驟⑽轉換得到對應於_區域％中 的物件30的輸入訊號。 於「第3D圖」之實施範例中，感測式輸入裝置ι〇的― 基準點表示單元19包括至少一個發光元件192。「第3D圖」 中’發光元件192纟平面上形成兩個基準點池以及2扑，而 其可代表鮮QWERTY 「F」_及「：」鍵上的定位 凸點。如此-來’已慣於盲打的使用者不需要看鍵盤表示單元 β也能夠自在地進行輸入。 201243653 綜上所述，_錢人錢及其輸人綠個能夠侧距 離的感測單元_位於__之物件，並自祕據物件位置 以及内_按鍵區域位置表傳送對應於物件的輸人訊號。感測 式輸入褒置所具備的單元較少且佔用的體積極小，因此重量 輕、體積小又方便攜帶。且制式輸人裝置僅f感測單元以及 處理單以卩可運作，*但使賴單又不易損壞，且成本遠較習 知的觸控面板或是投影式虛擬鍵盤低廉。 以上較佳具體實施範例之詳述’是希望藉此更加清楚描述 本發明之特徵與精神，並非以上述揭露的較佳具體實施範例對 本發明之範缚加以限制。相反地，其目的是希望將各種改變及 具相等性的安排涵蓋於本發明所欲申請之專利範圍的範疇内。 【圖式簡單說明】 第1A圖係為一實施範例之感測式輸入裝置之方塊圖。 第1B圖係為另一實施範例之感測式輸入裝置之方塊圖。 第2圖係為一實施範例之感測式輸入裝置的輪入方法之 流程圖。 第3A圖係為一實施範例之感測式輸入裝置之示意圖。 第3B圖係為一實施範例之感測式輸入裝置之示意圖。 第3C圖係為一實施範例之感測式輸入裝置之示意圖。 第3D圖係為一實施範例之感測式輸入裝置之示意圖。 【主要元件符號說明】 10 感測式輸入裝置 12 201243653 12，12a，12b，12c，12d，12e 感測單元 14 處理單元 16 傳輸單元 18 鍵盤表示單元 182 模擬按鍵 19 基準點表示單元 192 發光元件 20 偵測區域 22 按鍵區域 24a ， 24b 基準點 30 物件 40 電子裝置 13201243653 VI. Description of the Invention: [Technical Field] The present invention relates to a sensing type input device and an input method thereof, and more particularly to a sensing type input device for an analog keyboard and an input method thereof. [Prior Art] With the popularity of computers, keyboards and mice have become the most accepted information input devices. However, the traditional physical keyboard is large and difficult to accept', and there is no user willing to carry it as an input device. Recently, some manufacturers have developed input technologies for touch panels (T〇uchPanel). However, the resistive touch panel has poor transmittance; the capacitive touch panel has good light transmittance, but it is more susceptible to temperature, humidity or grounding during operation, so the stability is poor. Moreover, although the touch panel is thinner than the physical keyboard, it is bulky and takes up space, so it is still inconvenient to carry. There are also vendors that have developed a projection virtual keyboard technology to replace the traditional physical keyboard. However, the projection virtual keyboard needs to always project the simulated keyboard surface and is therefore very power hungry. And because of the display technology and the use of angle limitations, such virtual keyboards are not easy to use. In addition, the large size of the projection virtual keyboard is difficult to violate the research and development trend of light weight, small size and convenient carrying of electronic products. SUMMARY OF THE INVENTION In order to solve the above problems, a system input device and an input method thereof are proposed. The sensing input device includes a plurality of sensing units and a processing unit. The 201243653 sensing unit may include an infrared emitter and an image receiving II. The infrared emitter is used to emit infrared light, and the image is connected (4) to the infrared emitter to receive the reflected infrared light. The input method of the sensing input device comprises: using the sensing unit _ sensing unit - the gamma pivot domain - the object; the ancient selling each _ unit - _ miscellaneous value; and converting the _ miscellaneous value Enter one of the corresponding input signals. The processing unit can calculate the object position of the object in the _ region based on these _distance values and replace the object bit with the transmission domain number. In more detail, the detection area can be divided into a plurality of button areas, and the calling unit can compare the object position--the area of the miscellaneous table to the ship's domain, and then convert the button area into an input signal. The sensing input device can further include a keyboard representation unit. The keyboard representation unit is configured to detect the area of the towel, and the ribs are by the fields. _Disk means single * can simulate the table is not electric, the button area of the individual analog computer keyboard, a touch-sensitive input farm can also include a transmission unit; the transmission unit will correspond to the object in a wireless or wired way The signal is transmitted to the electronic device. According to the embodiment, when the _ sensing unit detects the object in the _ area, the sensing unit of the _ object senses the distance between the object and the object as the detachment value. On the other hand, the New-_ unit is set to the sensing unit of the object that has no detectable object when the object is detected. (The secret value is used as the gamma value, and the wire does not have the side to the object. 201243653 At least one of the detected distance values is not the default value, and the position of the selected unit is taken as the ordinate of the object position, and the measured distance value of the viewing unit is taken as a horizontal position of the object. Coordinates. In summary, the 'sensing input device and its input method are used to detect the distance value of the object located in the _ area and convert it into an input signal corresponding to the object. Sensing type The input device only needs to be operated by the sensing unit and the processing unit, and is easy to record because of the recording; and the cost is far lower than the conventional touch panel or the projection virtual keyboard. [Embodiment] The following is fine; DETAILED DESCRIPTION OF THE INVENTION The detailed features and advantages of the present invention are described in detail in the context of the disclosure of the invention and the disclosure of the invention. The related objects and advantages of the present invention can be easily understood by those skilled in the art. The present invention provides a sensing input device and an input method thereof, which can be used to simulate an input device such as a conventional keyboard. 1A is a block diagram of a sensing input device of an embodiment. The sensing input device 10 includes a plurality of sensing units I2a, 12b, 12c, I2d, and 12e (hereinafter collectively referred to as sensing unit 12). And a processing unit [mu], wherein each sensing unit 12 can be, for example, an infrared distance sensor or an ultrasonic distance sensor. According to an embodiment, each sensing unit 12 can have a neighboring 201243653 proximity, and is paired. Infrared emitters and image receivers. Infrared & ShootingTM is used to emit infrared rays and image receivers are used to receive reflected infrared rays. Sensing unit 12 itself determines whether the emitted infrared rays are blocked. It is judged whether any object 3G is located at its _. and the infrared ray reflected by the object 3 接收 received by the image receiver allows the sensing unit a to obtain The distance between the object 30 and itself. 凊 Refer to the "Fig. 2" as a flowchart of the input method of the sensing input device of the embodiment. First, the sensing unit i2 is used for the sensing. The object i2 is formed in the detecting area 20 (step S1 (8)), wherein the object % can be, for example, the user's finger or the tip of the stylus. It should be noted that the size of the detecting area 20 It can be set by the processing unit 14, not the sensing range of the η capabilities of these units. For example, the infrared range detector can achieve a sensing range of 5 cm to 45 cm, but the sensing type is The detection area 20 of the human device ι can be set to be between 5 cm and 3 cm as required. In other words, although the unit I2 is physically capable of _ to 5 cm to the door of the centimeters, such as 'but sensing The input device 1〇 can only judge whether or not the object 3 has fallen to the detection area 2 () between 5 cm and 30 cm. If an object other than the detection area 20 is detected, it can be ignored. The ambiguous region 20 can be divided into a plurality of button regions 22; and the sensible input device can have a button region location table to record the manner of the divisional 201243653 region 22. A plurality of different button area position tables may also be stored in the sensing input device 10 to correspond to the different size side regions 20 and the button regions or 22 through the switching keys or switches of the sensing input device 10, The sensor input device 1 can be switched according to the requirements of the currently corresponding button area position table. In addition, the button area position table can also be updated from the outside. , Fig. 1B' is a block diagram of a sensing input device of another embodiment. In order to facilitate the user to know the configuration of the current button area 22, the sensing input device ίο may include a keyboard display unit 18. The keyboard display unit 18 is disposed in the detection area 20, and the multi-key button 182 of the keyboard display unit 18 is used to indicate each button area 22. The keyboard display unit 18 can represent a plurality of button areas 22 and analog buttons 182 that individually emulate the keys of the computer keyboard. For example, it can be used to simulate a standard QWERTY keyboard, a numeric keypad, or a keyboard configured by the user to define a button. Each button area Μ and analog button 182 represent each button on the simulated keyboard, such as the "Q" button or the "1" button. More specifically, the keyboard display unit 18 may be a plastic plate or paper printed with an analog button 182. The material may be a bezel material or a non-flexible material. The keyboard table is not limited to 7G 18 and may even be a note paper having a dummy button 182. The present invention does not limit the display method of the keyboard display unit 18 and the analog button 182. The keyboard display unit 18 itself may extend beyond the _ area 20, but the 201243653 button area 22 (analog button 182) to be used must be placed in the detection area 2〇. And preferably, the button areas 22 (analog keys 182) do not overlap each other. In order to judge that the object 30 is at the position of the object area of the _ area 2 (four), the processing unit 14 reads a detection distance value of each of the sensing units ^ (surface S110). The I sensing unit 12 may periodically emit infrared rays, receive infrared rays, and count the detected distance values for the processing unit 14 to read the series. The sensing unit η can also be detected after being triggered by the age of the release element 14. According to the embodiment, when any of the sensing units 12 detects the object 30 in the detection area 2, the 'object 3G squealing unit 12 calculates the distance between the object 3 and the object 3〇 as the detection distance value. . For example, the feeling of "the ia diagram" towel 12b detects the object 30, and the distance between the sensing unit 12b and the object ^ is returned as the value of _, and the sense unit is in the side area such as t. _object 3G, there is no _ to the object 3 () sensing unit 12 (such as "the first eight" in the sensing unit 12a, 12c, i2d and called "and" the default value (default value) as The distance value is detected to indicate that the object 30 is not detected. After the _distance value of each _ unit 12 is obtained, the processing unit 转换 converts the detected distance value into a corresponding one of the input signals (step $(10)). According to the position of the surface measuring unit 12 and the detected value, the object 3 is calculated to detect the position of the object in the gradient 2G. The processing unit 14 compares the position table of the currently used button area according to the position of the object to obtain the object 3g. The button area 22' converts the button area 22 into an input signal. 201243653 In more detail, the processing unit 14 may firstly use at least one_it_12 as the detection unit whose detection distance value is not the default value; The position of the object is 3 in the detection area 2 An ordinate of the position of the piece; and the early pain detection distance value is selected as a horizontal coordinate of the object position. Taking the "first picture" as an example, the sensing unit 12b of the object 3 is located in the second row. And the distance between the dummy object 30 and the sensing sheet & 12b is 2〇 cm, the processing unit 14 can know that the object position of the current object 3〇 is (2〇, 2). The processing unit 14 calculates the object. After the position, the button area 22 where the object 3 is located is obtained according to the position of the object, and then the button area 22 is converted into an input signal. The coordinate range of each button area 22 can be recorded in the button area position table, and the processing is performed. The unit 14 can reversely obtain the corresponding button area 22 by comparing the object position to the coordinate range. After the step S120, the processing unit 14 can transmit the object corresponding to the object 3 through a transmission unit 16 in a wireless or wired manner. The input signal is transmitted to an electronic device 40. The electronic device 4〇 may be a mobile device such as a mobile phone or a tablet computer that is not conducive to configuring a physical keyboard. It is assumed that the processing unit 14 refers to the button area. When the location table knows that the object 30 corresponds to the button area 22 of the "w" key, an input signal representing the "W" key is sent to the electronic device 40. Further, if other objects 30 are simultaneously located in the different row of button areas 22, It can be detected by other sensing units 12a, 12c, 12d or I2e. In addition, the measuring input device can have various implementation examples as shown in "3A" to "3D". In the implementation example of 10 201243653 \ 3A, the infrared ray of the sensing unit 12 can be used to emit infrared rays. When the sensing unit 12 does not measure the area 20 < when the object 3G is detected, 'the preset _ can be set The value is used as the distance value to indicate that no object is detected. In the embodiment of the third embodiment, the infrared emitter of the sensing unit 12 emits infrared light slightly; the edge of the outer surface _ area 20 emitted by the keyboard is represented by the keyboard display unit 18 or the table. Then, when the sensing unit 12 is not in the __ Μ center axis, the material side distance value will be the critical value that can be obtained, and the object 30 is measured without the surface. Preferably, the sensing unit 12 is disposed at a lower position close to the table, the surface, etc., so as to prevent the user's palm or other unrelated objects from being misinterpreted. If the detection area 2〇 required by the user is larger than the physical sensing of the sensing unit 12, the sensing unit (1) can be combined with the right two sensing units 12 such as “%”. After the processing unit M reads all the sensing units 12 of the left and right groups, the processing of step (10) is performed to obtain an input signal corresponding to the object 30 in the _ area %. In the embodiment of "3D", the "reference point indicating unit 19" of the sensing type input device ι includes at least one light emitting element 192. In the "3D picture", the two light-emitting elements 192 form two reference point cells and two flutters, which represent the positioning bumps on the fresh QWERTY "F"_ and ":" keys. The user who has been used to blindly does not need to look at the keyboard display unit β to be free to input. 201243653 In summary, _ money people and their input green can be a side distance sensing unit _ located in the __ object, and from the secret object position and the inner _ button area position table to transfer the corresponding object corresponding to the object Signal. The sensory input unit has fewer units and a smaller active body, so it is lighter in weight, smaller in size, and more portable. Moreover, the standard input device can operate only with the f sensing unit and the processing unit, but the cost is far less than that of the conventional touch panel or the projection virtual keyboard. The above detailed description of the preferred embodiments is intended to be illustrative of the invention and the invention On the contrary, the intention is to cover various modifications and equivalent arrangements within the scope of the invention as claimed. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1A is a block diagram of a sensing input device of an embodiment. Figure 1B is a block diagram of a sensing input device of another embodiment. Fig. 2 is a flow chart showing a method of wheeling a sensing input device of an embodiment. Figure 3A is a schematic diagram of a sensing input device of an embodiment. Figure 3B is a schematic diagram of a sensing input device of an embodiment. Figure 3C is a schematic diagram of a sensing input device of an embodiment. 3D is a schematic diagram of a sensing input device of an embodiment. [Main component symbol description] 10 Sensing input device 12 201243653 12, 12a, 12b, 12c, 12d, 12e Sensing unit 14 Processing unit 16 Transmission unit 18 Keyboard display unit 182 Analog button 19 Reference point indicating unit 192 Light-emitting element 20 Detection area 22 button area 24a, 24b reference point 30 object 40 electronic device 13