M362463 五、新型說明： 【新型所屬之技術領域】 本創作係為一種無線數位筆的壓力偵測裝置，其係可 獨立使用，亦可與數位板或其他可程式化的周邊裝置搭配 【先前技術】 電腦的使用已日益普遍，而電腦的功能也日益加 強，對於電腦的使用者而言，係希望有一種方便控制游桿 的輸入裝置，也因此，方便控制游標之輸入裝置，舉例來 說’數位輸人板、數位筆...等裝置均日益備受重視。 以傳統數位板所使用的有線筆為例，有線筆中内建的 壓力偵測裝置係主要利用電線連接的方式以將數位筆、數 位板及麗力感測裝置彼此電性連接，並藉由數位板上的電 路轉換及微控制器來計算取得壓力值，如此的習知技術必 須使用電線連接聰位筆與數位板，“使得數 經常造成使用者的不便，雖然—般電磁無線厂堅 =葦似乎可解決電線連接的問題，但由於電磁式無線壓力 <所使用的磁感應只能限制於電磁式數位板上的使用，在 -般非電磁式的數位板如電阻式或超音波式還是益 :千：外田上述的電磁無線麗力筆也因為容易受到其他頻 …干擾目而降低了電磁無線壓力筆的控制精準度。 因此，本創作係揭露了一種無線數位筆的壓力偵測夺 置’其係利用簡單的電路以取得穩定的麗力值，同時更兼 M362463 顧 訊號的穩定性而不易受到其他頻率的干擾 【新型内容】 有鑑於上述課題’本創作之目的為提供一種益線數位 筆的壓力仙裝置，其係利用簡單的電路以取得穩定的壓 力值，且同時兼顧訊號的穩謹而不易受到其他頻率的干 擾’因此可在合理的成本控制下製作出反應性佳的無線數 位筆。 置 用 本創作之目的為提供-種無線數位筆的壓力偵测裝 其係可單獨使用，亦可與數位板、或周邊裝置搭配使 置 本創作之目的為提供—種無線數位筆㈣力制裝 其係同時提供Χ、γ、ζ三軸向的制功能。、 為達上述目的，本創作係揭露一種無線數位筆的壓力 貞測裘置，其係包括一中空筆桿及-筆頭，筆頭係且有一 及—下端部份，且㈣係受偏㈣致於下端部份 詈=、地自筆桿的—端凸伸。此無線數位筆的麗力偵測裝 -糸^有ri路板、—壓力_單元、—比較電磨產生 置於整π 早70及—無線發射單元。其巾，電路板係設 力偵測單元處，電路板具有-電路安裝 體係二=垂直於筆桿且係設置有二導電體，上述的導電 阻的另=隔’其令Γ導電體係相接於一連接到正電源電 於螫-5 AA山而另導電體係接地；壓力偵測單元係設置 A、上端部分，且筆頭之下端部份被施壓時，壓力偵 M362463 - 測單元係與導電體接觸以致於一壓力電壓訊號係跨於壓 •力偵測單元上；比較電壓產生單元係包含一充放電路單元 以產生一比較電壓訊號並將壓力電壓訊號與比較電壓訊 號作比較並產生一方波訊號；運算單元係計算方波訊號之 寬度以得到對應的一壓力值；無線發射單元則係用來發送 壓力值。 承上所述，本創作之無線數位筆的壓力偵測裝置，1 係利用充放電電路以對垂直安裝於電路板的導電橡膠^ 放，並進行訊號的比較，而在取得方波寬度的變化後執行 =以獲得對應的㈣值’如此的設計不但具有電路簡單 ’更可以取得穩定的壓力值而不容易受到其他頻率 【實施方式】 =關本創作為達上述目的、特徵所 其功效春兹例舉較佳實施例並配合圖式說明如下 /耳先請同時參考第一圖與第二 係為本創作之無線數位筆之結構示”-中，弟一圖 創作之無線數位筆的壓力：：第-圖則係為本 厪力债測裝置係用以_無線1 =方塊示意圖，其中， 如第-圖所示，本創作的益:數::之觸壓壓力。 空桿體ίο及一筆頭13 位筆〗係包含有一中 筆桿10内，且筆頭13 &碩13係可移動地裝設於中空 未示)控制而常態地自筆:：部份係受-偏壓裝置（圖中 之—端凸伸在筆桿10外。 M362463 置4第：：： 1係内建有-壓力债測裝 置4一圖所不，此麼力偵測裝置係 一屢力偵測單“、-比較電麗產生單元二= = 發射單元14。其中，電路板12係設置於筆 杯10内罪近壓力偵測單元η處，電路板12具有一電：M362463 V. New Description: [New Technology Field] This creation is a wireless digital pen pressure detection device that can be used independently or with digital tablet or other programmable peripheral devices. 】 The use of computers has become more and more common, and the functions of computers have been increasingly strengthened. For users of computers, it is desirable to have an input device that facilitates the control of the joystick. Therefore, it is convenient to control the input device of the cursor, for example, ' Digital input panels, digital pens, etc. are increasingly receiving attention. Taking the wired pen used in the conventional tablet as an example, the built-in pressure detecting device in the wired pen mainly uses a wire connection method to electrically connect the digital pen, the digital plate and the Lili sensing device to each other. The circuit conversion on the tablet and the microcontroller to calculate the pressure value, such a conventional technology must use the wire to connect the pen and the pen tablet, "making the number often cause inconvenience to the user, although - electromagnetic wireless factory firm =苇 seems to solve the problem of wire connection, but because the electromagnetic wireless pressure <the magnetic induction used can only be limited to the use of the electromagnetic tablet, in the non-electromagnetic tablet such as resistive or ultrasonic Benefit: Thousand: The above-mentioned electromagnetic wireless Lili pen of Outfield also reduces the control precision of the electromagnetic wireless pressure pen because it is easy to be interfered by other frequencies. Therefore, this creation reveals a pressure detection of a wireless digital pen. It uses a simple circuit to achieve a stable Lili value, and at the same time, it is more stable than the M362463. It is not susceptible to interference from other frequencies. In view of the above-mentioned topics, the purpose of this creation is to provide a pressure-sensing device for a digital pen, which uses a simple circuit to obtain a stable pressure value, while at the same time taking into account the stability of the signal and is not susceptible to interference from other frequencies. 'Therefore, a highly reactive wireless digital pen can be produced under reasonable cost control. The purpose of this creation is to provide a wireless digital pen pressure detection device that can be used alone or with a tablet, or The purpose of the peripheral device is to provide a wireless digital pen (four) force to install the system while providing three axes of Χ, γ, ζ. For the above purposes, the author reveals a wireless digital pen The pressure measuring device comprises a hollow pen and a pen tip, the pen head has a lower end portion, and (4) is biased (4) to the lower end portion 、=, and the ground end protrudes from the pen end. This wireless digital pen's Lili detection device - 糸 ^ has ri board, - pressure _ unit, - compared electric grinder generated in the whole π early 70 and - wireless transmitter unit. Its towel, circuit board system force detection Unit The circuit board has a circuit mounting system 2 = perpendicular to the pen holder and is provided with two electrical conductors, and the above-mentioned conductive resistors are connected to each other to connect the positive conductive system to a positive power source in the 螫-5 AA mountain. The other conductive system is grounded; the pressure detecting unit is provided with A and the upper end portion, and when the lower end portion of the writing head is pressed, the pressure detecting M362463 - the measuring unit is in contact with the electric conductor so that a pressure voltage signal crosses the pressure. The comparison voltage generating unit includes a charging and discharging circuit unit for generating a comparison voltage signal and comparing the pressure voltage signal with the comparison voltage signal to generate a square wave signal; the arithmetic unit calculates the width of the square wave signal to A corresponding pressure value is obtained; the wireless transmitting unit is used to transmit the pressure value. As described above, the pressure detecting device of the wireless digital pen of the present invention uses a charging and discharging circuit to electrically connect the vertical mounting on the circuit board. Rubber ^ put and compare the signal, and after obtaining the square wave width change, execute = to get the corresponding (four) value 'So the design not only has the circuit simple' In order to obtain a stable pressure value, it is not easy to be subjected to other frequencies. [Embodiment] = The purpose of the creation is to achieve the above-mentioned purpose, the characteristics of the function, and the preferred embodiment is described below with reference to the following figures. The picture and the second series are the structure of the wireless digital pen of the creation"--the pressure of the wireless digital pen created by the younger brother and the younger one: the first-picture is based on the force of the debt measuring device _ wireless 1 = block diagram, where, as shown in the figure - figure, the benefit of this creation: number:: the pressure of the pressure. The empty body ίο and the head 13-bit pen contain a middle pen 10, and the pen head 13 & 13 is movably mounted in the hollow (not shown) control and normally from the pen:: Partially-biased Pressure device (in the figure - the end protrudes outside the pen holder 10. M362463 sets 4::: 1 is built-in - pressure debt measuring device 4 is not shown, this force detection device is an automatic detection The single ", - compare the electric generating unit 2 = = the transmitting unit 14. The circuit board 12 is disposed in the pen cup 10 near the pressure detecting unit η, and the circuit board 12 has an electric:
安裝表面121 ’其係《於轉η且餘置有二導電體 122Μ23’上述的導電體122、123係彼此分隔，豆中一 導電體122係幢於一連接到正.電源電阻ri❸另一端， 而另-導電體123係接地；壓力偵測單元u係設 頭！3的上端部分，且筆頭13之下端部份被施壓時，屋力 制車兀11係與導電體122、123接觸以致於—壓力電壓 訊號係跨於壓力U上，更詳細來說，以實際的 電子元件為例，如第二圖所示，所述的壓力偵測單元η 係包含有比較器ill、頻率產生器112、控制閘ιΐ3及計數 ™ 114’比較電壓產生單元μ係包含—充放電路單元⑹ 以產生-比|父電壓訊號’並將壓力電壓訊號與比較電壓訊 號作比較並產生一方波訊號，同時，比較電壓產生單元16 係内建有一計數器控制單元162;運算單元15係計算方波 訊號之寬度以得到對應的一壓力值；無線發射單元14則 係用來發送壓力值，其中上述的無線發射單元14係可為 一種射頻（RF )發射電路。 此外’上述的壓力偵測裝置更包含一天線單元A1， 其係柄接於無線發射單元14。且壓力價測裝置更包含一微 控制單元（圖未顯示），其係耦接於上述的壓力偵測單元 6 M362463 • 1比較電驗生單元16、運算單元15及無線發射單元 其中，上述的壓力偵測單元u係可 屬彈片或金屬凸蓋（metal d〇me)所構成 ，膠、金 的壓力偵測單元u雖與筆頭13的上端部 壓力_單元11更可與筆一的上端部:: 糾’本創作的無線數位筆丨更與—周妓 顯不）搭配制’所述的周邊裝置係可為數位板、 之組合，此周邊裝置係可接收=數 位筆1中無線發射單元14所傳輸出的壓力值。而 圖所不，其係揭露本創作之無線數位筆所應用之周; 的方塊不意圖，其中所述的周邊單元2(例如 : 收器）係包含有-處理單元22、及一無線接收單元： 其中，處理單元22係可為微控制器並且可與一 26(例如：卿界面）_，俾使諸得界 26以傳送至周邊褒置2内，而無線接收單元24更;2 天線單元A2輕接並用以接收來自無線數位 射單元14所傳送出的壓力值。 …、綠發 當然，仍以第三圖為例，上述的周邊裝置2更可與另 周邊裝置3 (例如.可程式化裝置）搭配應用，舉例來 說周邊裝置3係可為電阻式觸控數位板、個人數位助理... 等各種可程式化的裝置。 … 7 M362463 ι述係以結構而論’接續將以流程的方式詳㈣ 創作的實際作動流程。 n計田述本 先以上述的無線數位筆！的作動來說，請同時表昭第 -圖至第三圖與第四圖所示’其中第四圖係為無線 的作動步驟流程’其係包含步驟SG1至步驟如 首先，在步驟SOI巾，係先將無線數位 内的計數器喻。接續，在步二： 電谷C的電壓降至零，俾使壓力偵測單元Η 車父盜 1 1 1 輸出—Α Φ Μ -*ΊΤ ^ ί ΤΤ* \ ' 传使;接續，在步驟S〇3中 :使，力偵測k U内的計數器114開始執行計數，·接 /者=步驟綱中，比較電壓產生單元16的正極開始進 1=*且比較電壓產生單元16的負極供應—正電源以 數位筆i做充放電的卫作而得到—個 ⑦對壓力電塵訊號與比較電壓訊號比較後， ㈣—方波1« ;而當充電㈣的值大於等於Vcc*R2/The mounting surface 121' is "separated with the two conductors 122" 23, and the above-mentioned conductors 122, 123 are separated from each other. One of the conductors 122 in the bean is connected to the other end of the power supply resistor ri. The other-conductor 123 is grounded; the pressure detecting unit u is set to the head! When the upper end portion of the third portion is pressed and the lower end portion of the writing head 13 is pressed, the rug 11 is in contact with the electric conductors 122, 123 so that the pressure voltage signal crosses the pressure U, and more specifically, As an example of the actual electronic component, as shown in the second figure, the pressure detecting unit η includes a comparator ill, a frequency generator 112, a control gate ΐ3, and a counting TM 114' comparison voltage generating unit μ system includes - The charging and discharging circuit unit (6) generates a - ratio | parent voltage signal and compares the pressure voltage signal with the comparison voltage signal to generate a square wave signal, and the comparison voltage generating unit 16 has a built-in counter control unit 162; the operation unit 15 The width of the square wave signal is calculated to obtain a corresponding pressure value; the wireless transmitting unit 14 is used to transmit a pressure value, wherein the wireless transmitting unit 14 can be a radio frequency (RF) transmitting circuit. Further, the pressure detecting device further includes an antenna unit A1, and the handle is connected to the wireless transmitting unit 14. The pressure measuring device further includes a micro control unit (not shown) coupled to the pressure detecting unit 6 M362463. 1 to compare the electrical detecting unit 16, the computing unit 15 and the wireless transmitting unit. The pressure detecting unit u can be composed of a shrapnel or a metal dome. The pressure detecting unit u of the rubber and gold can be combined with the upper end of the pen head 13 with the upper end of the pen. :: 纠 'The wireless digital pen 本 本 本 本 — — 妓 妓 妓 妓 妓 搭配 所述 所述 所述 所述 所述 所述 所述 所述 所述 所述 所述 所述 所述 所述 所述 所述 所述 所述 所述 所述 所述 所述 所述 所述 所述 所述 所述 所述 所述 所述 所述 所述 所述 所述 所述 所述The pressure value transmitted by 14. However, the block is not disclosed, and the block of the wireless digital pen is applied. The peripheral unit 2 (for example, the receiver) includes a processing unit 22 and a wireless receiving unit. The processing unit 22 can be a microcontroller and can be connected to the peripheral device 2 with a 26 (eg, a clear interface), and the wireless receiving unit 24; 2 antenna unit A2 is lightly connected and used to receive the pressure value transmitted from the wireless digital transmitting unit 14. For example, in the third figure, the peripheral device 2 can be used in combination with another peripheral device 3 (for example, a programmable device). For example, the peripheral device 3 can be a resistive touch. Digital tablet, personal digital assistant... and other programmable devices. ... 7 M362463 ι, in terms of structure, the continuation will be in the form of a process (4) the actual operational process of creation. n meter Tian Shu first with the above wireless digital pen! In terms of the operation, please also show the pictures in the third to the fourth and fourth pictures, where the fourth picture is the wireless operation step flow, which includes the steps SG1 to the steps as first, in the step SOI towel, It is first to interpret the counter in the wireless digit. Continued, in step 2: The voltage of the electric valley C drops to zero, so that the pressure detection unit 车 the car thief 1 1 1 output - Φ Φ Μ - * ΊΤ ^ ί ΤΤ * \ 'transmission; continuation, in step S In 〇3, the counter 114 in the force detection k U starts counting, and the positive electrode of the comparison voltage generating unit 16 starts to enter 1=* and compares the negative supply of the voltage generating unit 16— The positive power supply is obtained by the digital pen i charging and discharging. After comparing 7 pairs of pressure electric dust signals with the comparison voltage signals, (4) - square wave 1«; and when the value of charging (4) is greater than or equal to Vcc*R2/
Sr)時/則進入至步驟s〇5，此時，虔力_單元 驟S06 Γ較為1M轉態而輸出低電壓訊號（Lo);而在步 透、尚錢^計數器114停止計數’而運算單元15將計數 \線㈣I元14以將所獲得的壓力值傳送出去。 ，上述用以得到不同計數值的的方法係可藉由改 == 且R2W以實現。舉例來說，當無線數位筆1 了懕下端部份接觸改變了觸壓_力大小，則決定 貞測早元11接觸電路板12上之導電體122、123 M362463 • m、’亦同時決定了壓力電壓訊號的大小，而第-.二中㈣可變電"2之阻值 塵= 之大小而改變。 就 最後，再以本創作之無線數^ 的例子為例筇aS 聿應用至數位板與電腦 方= 圖所示，無線數位筆1係以益線 方式與數位板2a、電腦2b溝通 、 ^ i-I ^ lv ^ 而數位板2a與電腦2b = 彼此輕接，是以，當無線數位筆1書 寫在數位板2a上時，對於無_ ，力值’而對於數位板23而言，其係產生出=生出 ^中，無線數位筆1的壓力值係透過無線傳遞的方式，以 專达至電腦（藉由無線接收的方式接㈣力值），而數位 則係透過有線傳遞的方式，以傳送至電腦 有，收的方式接收座標值），因此，當上述的壓 力值與座標值均傳送^ M HI 。 後’則可藉由所接收到的When Sr), the process proceeds to step s〇5. At this time, the force_unit step S06 Γ is 1M transition state and outputs a low voltage signal (Lo); and in the step, the money counter 114 stops counting ' Unit 15 will count \line (four) I-unit 14 to transmit the obtained pressure value. The above method for obtaining different count values can be realized by changing == and R2W. For example, when the wireless digital pen 1 has a contact with the lower end portion to change the magnitude of the contact pressure _ force, it is determined that the electrical conductors 122, 123, M362463, m on the circuit board 12 are contacted by the early digital device 11. The magnitude of the pressure voltage signal, and the magnitude of the resistance value of the second (fourth) variable electric " 2 is changed. In the end, let's take the example of the wireless number of the creation as an example. 筇aS 聿 applied to the tablet and the computer side = as shown in the figure, the wireless digital pen 1 communicates with the tablet 2a and the computer 2b by means of the benefit line, ^ iI ^ lv ^ and the tablet 2a and the computer 2b = lightly connected to each other, so that when the wireless digital pen 1 is written on the tablet 2a, for the _, _, for the tablet 23, it is generated = in the ^, the pressure value of the wireless digital pen 1 is transmitted wirelessly to the computer (by wireless reception means (four) force value), and the digital transmission is transmitted by wire to The computer has, the receiving mode receives the coordinate value), therefore, when the above pressure value and the coordinate value are transmitted ^ M HI . After the latter can be received by
整力值:座值來移動電腦2b中的游標厘作動；其中， 雖然上述的例子係將魔力值與座標值分別傳送，I 2先將壓力值與麵值先行整合，再—併傳送^電腦2b 而上述用以整合的介面係可為RS232、SPI 等常用介面。 I … 一，得注意的是，對於上述的無線發射或接收機制而 口’為避免訊號上的干擾，無線發射單元與無線接收單元 的頻段係利用ISM頻帶。 承上所述，本創作之無線數位筆的壓力偵測裝置，其 係利用充放電電路以對垂直安裝於電路板的導電橡㈣ M362463 放電並進行訊號的比較，而在取得方波寬度的變化後執行 運算以獲得對應的壓力值，如此的設計不但具有電路簡單 的優點，更可以取得穩定的壓力值而不容易受到其他頻率 的干擾。 以上所述僅為舉例性，而非為限制性者。任何未脫離 本創作之精神與範疇，而對其進行之等效修改或變更，均 應包含於後附之申請專利範圍中。The whole force value: the seat value to move the cursor in the computer 2b to move; wherein, although the above example transmits the magic value and the coordinate value separately, I 2 first integrates the pressure value and the face value first, and then transmits the computer 2b The above interface for integration can be a common interface such as RS232 and SPI. I ... It should be noted that for the above-mentioned wireless transmission or reception mechanism, the frequency band of the wireless transmitting unit and the wireless receiving unit utilizes the ISM band in order to avoid interference on the signal. According to the above description, the pressure detecting device of the wireless digital pen of the present invention uses a charging and discharging circuit to discharge and compare the signal of the conductive rubber (4) M362463 vertically mounted on the circuit board, and obtain the variation of the square wave width. After performing the operation to obtain the corresponding pressure value, such a design not only has the advantages of simple circuit, but also obtains a stable pressure value without being easily interfered by other frequencies. The above is intended to be illustrative only and not limiting. Any equivalent modifications or alterations to the spirit and scope of this creation shall be included in the scope of the appended patent application.
10 M362463 13 ： 筆頭 14 ： 無線發射單元 15 ： 運算單元 16 ： 比較電壓產生單元 161 :充放電路單元 162 :計數器控制單元 2、3 :周邊單元 22 :處理單元 • 24:無線接收單元 26 :傳輸界面 Al、A2 :天線單元 _ C :電容10 M362463 13 : Pen 14 : Wireless transmitting unit 15 : arithmetic unit 16 : comparison voltage generating unit 161 : charging and discharging circuit unit 162 : counter control unit 2 , 3 : peripheral unit 22 : processing unit • 24 : wireless receiving unit 26 : transmission Interface Al, A2: Antenna unit _ C: Capacitor
Rl、R2、R3 :電阻 SOI〜S06 :作動步驟流程Rl, R2, R3: resistance SOI~S06: operation step flow
1212