I28862i?685twf.doc/y 九、發明說明： 【發明所屬之技術領域】 本發明是有_動溝财法，且_ ==球寫字來進行溝通的眼動溝通方法。、 媼入2目=靈魂之窗」’眼睛是接收外界訊息最重要的 可利用眼神表達喜怒哀樂些許心情外，並 i跡來H = ”作有效溝m细眼睛特定的運動 ^跡采表達早—付號或事件，那我們便能眼睛來「說 =田ΐ對於一個正常人而言，有嘴巴能對外界溝通，何 :使：：來表達:’然而报多病人躺在床上，身體不能動， ^不’但m楚楚的相事物與聽見聲音。他們 有,見卻無法表達，有口朗，例如肌萎縮性脊髓側索硬化 症（A.L.S:，Amyotrophic Lateral Sd_is)，又稱為葛雷克氏 disease)，即一般俗稱的梅人症患者，以及 在習知之技術中，有一種技術是以量測腦波來判 睛所注視的符號或位置。其係為當眼睛接&外界光線刺 激日守視區將會有相對應之神經元被激發而活化， 除I造成局娜子濃度之外，並會於_視覺皮質區 之範圍内產生Mi電場與磁場之變化。而此電場與磁場之 變化可由職波儀經貼附於頭絲面之電極量測，或由不 舄接觸頭#表面之腦磁波儀加以偵測。因該電磁場變化所 形成之腦波具有高時間解析度（hightemp〇ral res〇luti〇n) 1288628 14685twf.doc/y 之優點’故可即時偵測腦中所產生的神經活化訊號。 中、，此神經活化訊號是屬於所謂的腦波誘發訊號， ^廣2義是指當腦部接受外界刺激或藉由自身意志而 °擬 丁某;動作時，腦部相對應區域產生特定波形之腦波變 化。然後，再根據此腦波變化來判斷眼睛所注視的符號或 位置。 明士^在習知之技術中，還有另外—種以病人之不同的眨 日士代表特定的答案以回答問題。其為當問病人問題 二:人可關有意識的眨眼來回答，而_病人的眨眼 在I-i硯看或以伽制兩齡式。以儀以貞測時，立 之二眼時瞳孔直徑會變小至成為零，而有意識 以上二=常達―、兩秒，於連續之影像上會造成十筆 料為臾Ur㈣為零，而無意識91眼時，瞳孔直徑資 識ΐ眨眼⑽小於十’而可以公式來判斷是否為有意 【發明内容】 用辨的就是在提供一種眼動溝通裝置，其係利 本之轉動所形成之文字來達到與他人溝通。 供病目的是提供一種眼動溝通方法，其係提 y、义&球寫子來達到與他人溝通之效果。 係利又—目的是提供—種眼動溝通辨識方法，其 析’以得知眼球轉動時所形成之文字。十^直“作为 本發明提出-種眼動溝通方法，係包括首先请測眼球 6 1288628 14685twf.doc/y 活動時所產生之第_類比訊號與第二類比訊號。其次，接 收及對第一類比訊號與第二類比訊號作放大，並輸出放大 後之第一類比訊號與第二類比訊號。接著，接收及對放大 後之第一類比訊號與第二類比訊號作類比數位轉換，並輸 出第一數位訊號與第二數位訊號。然後，接收及根據第一 數位訊號與第二數位訊號至内建表中尋找相對應之文字資 料最後，則接收及輸出文字資料。 本發明再提出一種眼動溝通辨識方法，係包括首先提 供一基準點。其次，偵測眼球離開基準點與再次回到基準 點間之一運行執跡，並得到水平訊號與垂直訊號。接著， 根據水平訊號與垂直訊號判斷運行執跡之水平方向與垂直 ^向。，後，合併水平方向與垂直方向，並得到眼球執跡 字形。最後，則以眼球執跡字形與多數個文字資料作比較， 以得到並輸出相符文字資料。 依释本發明的較佳實施例所述，上述之根據水平訊號 人垂直訊號麟運行獅之水平方向赫直方向係為分別 根據水平訊號與垂直訊號之值作判斷。 交佳實施例所述，上述之水平訊號大於 =準，時’水平方向係為向左，而水平訊號小於水 千基準吼號打，水平方向係為向右。 依照本發明的較佳實施例所述，上述 水平基準訊麟，水平八十減大於 平芙Μ奸為右，而水平訊號小於水 +基準汛唬犄，水平方向係為向左。 依照本發明的較佳實施例所述，上述之垂直訊號大於 1288628 14685twf.doc/y 垂直基準訊號時，垂直方向係為向上，而垂直訊號為小於 垂直基準訊號時，垂直方向係為向下。 依照本發明的較佳實施例所述，上述之垂直訊號大於 垂直基準訊號時m向係為向下，而垂直訊號小於垂 直基準訊號時，垂直方向係為向上。 本發明又提出一種眼動溝通裝置，此眼動溝通裝置包 括多數個電極貼片、放大電路、類比數位轉換電路、微處 理器與輸出裝置。上述之多數個電極貼片配置於眼球周 圍，負責偵測眼球活動時在電極貼片間所產生之第一類比 訊號與第二類比訊號。上述之放大電路負責接收及對第一 類比訊號與第二類比訊號作放大，並輸出放大後之第一類 比訊號與第二類比訊號。上述之類比數位轉換電路，負責 接收及對放大後之該第一類比訊號與該第二類比訊號作^ 比數位轉換，並輸出一第一數位訊號與一第二數位訊號。 上述之微處理器負責根據第一數位訊號與第二數位訊^至 内建表中尋找相對應之文字資料。上述之輸出裝置負 收及輸出文字資料。 、貝 依照本發明的較佳實施例所述，上述之輸出裝置係為 一顯示器，以顯示該文字資料。 ’、' 依照本發明的較佳實施例所述，上述之輸出裝置（、為 一揚聲器，以播放該文字資料。 糸、、 依照本發明的較佳實施例所述，上述之眼動溝1壯 更包括儲存媒體，負責儲存内建表。 、衣 類比訊號 依照本發明的較佳實施例所述，上述之第— 1288628 14685twf.doc/y 包括多數個電極貼片202〜208、放大電路210、類比數位 轉換電路216、微處理器218、儲存媒體220與輸出裝置 222。 在本實施例中，電極貼片202配置於眼球上方，電極 貼片204配置於眼球下方，且電極貼片202與204係為偵 測眼球在活動時所產生之垂直電壓差訊號（為類比訊號）。 另外，電極貼片206配置於眼球右方，電極貼片208配置 於另一眼球左方，且電極貼片206與208係為偵測眼球在 1 活動時所產生之水平電壓差訊號（為類比訊號）。 放大電路210係為包括差動放大器212與214。差動 放大器212係為透過訊號傳輸線（未繪示）電性耦接至電 極貼片202與204,係負責接收及對垂直電壓差訊號作放 大後輸出。同樣地，差動放大器214係為透過訊號傳輸線 (未繪示）電性耦接至電極貼片206與208，係負責接收 及對水平電壓差訊號作放大後輸出。 類比數位轉換電路216分別電性耦接至差動放大器 f 212與214,其係分別對放大過後之垂直電壓差訊號與水平 電壓差訊號作類比數位轉換，並輸出垂直數位訊號與水平 數位訊號。 微處理器218係為電性耦接至類比數位轉換電路 216、儲存媒體220與輸出裝置222，並於接收到垂直數位 訊號與水平數位訊號，即根據垂直數位訊號與水平數位訊 號所形成之圖形，至儲存媒體220中的内建表尋找與圖形 相對應之文字資料，並將此文字資料輸出至輸出裝置222。I28862i?685twf.doc/y IX. Description of the Invention: [Technical Field of the Invention] The present invention is an eye movement communication method in which _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ "Into the 2 eyes = the window of the soul" 'Eyes are the most important to receive the outside world, can use the eyes to express joy, anger, sorrow and a little mood, and i trace to H = "for effective ditch m fine eye specific movement ^ trace expression Early-pay or event, then we can come to the eyes to say "say = Tian Hao for a normal person, have a mouth to communicate with the outside world, what: make:: to express: 'However, many patients lying in bed, body Can't move, ^ don't but m-like things and hear the sound. They have, but can't express, there is a mouth, such as amyotrophic lateral sclerosing (ALS:, Amyotrophic Lateral Sd_is), also known as Ge "Lake's disease", commonly known as the disease of plum disease, and in the known technology, there is a technique to measure the brain wave to look at the symbol or position of the eye. It is when the eye is connected to the outside world. The light stimulating day will have the corresponding neurons activated and activated. In addition to the I concentration, the Mi field and the magnetic field will be generated in the range of the visual cortex. Change with the magnetic field It is measured by the electrode attached to the surface of the headline or by a brain magnetic wave meter that does not touch the surface of the head. The brain wave formed by the change of the electromagnetic field has high temporal resolution (hightemp〇ral res〇luti〇) n) The advantage of 1288628 14685twf.doc/y is that it can instantly detect the nerve activation signal generated in the brain. In the middle, the nerve activation signal belongs to the so-called brain wave evoked signal, and the ^2 meaning refers to the brain. Accepting external stimuli or arranging Ding by its own will; when moving, the corresponding areas of the brain produce brain waves of specific waveforms. Then, based on this brain wave change, the symbol or position of the eye is judged. ^ In the technique of the prior art, there is another kind of different day-to-day representation of the patient to represent the specific answer to answer the question. It is to ask the patient question 2: the person can answer with a conscious blink, and _ the patient's Blinking at Ii砚 or gambling two-aged. When using the instrument to measure, the pupil diameter will become smaller to zero when standing two eyes, and the conscious above two = often reach - two seconds, in continuous The image will cause ten strokes to be 臾Ur (four) Zero, and unconscious 91 eyes, the pupil diameter of the eyesight (10) is less than ten' and can be used to judge whether it is intentional or not. [Inventive content] The identification is to provide an eye-moving communication device, which is formed by the rotation of the book The purpose of the word is to communicate with others. The purpose of the disease is to provide a method of eye movement communication, which is to promote the effect of communication with others by y, righteousness and ball writing. Identification method, which analyzes 'to know the words formed when the eyeball rotates. Ten straight" as proposed by the present invention - a method of eye movement communication, which includes the first measurement of the eyeball 6 1288628 14685twf.doc/y activity The first analog signal and the second analog signal. Next, receiving and amplifying the first analog signal and the second analog signal, and outputting the amplified first analog signal and the second analog signal. Then, the analog digital conversion of the amplified first analog signal and the second analog signal is performed, and the first digital signal and the second digital signal are output. Then, receiving and searching for the corresponding text data according to the first digital signal and the second digital signal to the built-in table, and finally receiving and outputting the text data. The invention further proposes an eye movement communication identification method, which comprises first providing a reference point. Secondly, detect the movement of the eyeball away from the reference point and return to the reference point again, and get the horizontal signal and the vertical signal. Then, according to the horizontal signal and the vertical signal, the horizontal direction and the vertical direction of the running track are judged. After that, merge the horizontal direction and the vertical direction, and get the eyeball to follow the glyph. Finally, the eyeballs are compared with most of the text data to obtain and output the corresponding text data. According to a preferred embodiment of the present invention, the above-mentioned horizontal direction of the lion running according to the horizontal signal of the horizontal signal is determined according to the values of the horizontal signal and the vertical signal, respectively. In the preferred embodiment, the above horizontal signal is greater than =, when the horizontal direction is leftward, and the horizontal signal is less than the water thousand reference number, and the horizontal direction is rightward. According to a preferred embodiment of the present invention, the horizontal reference signal, the level eighty reduction is greater than the Pingfu rape, and the horizontal signal is less than the water + reference, and the horizontal direction is to the left. According to a preferred embodiment of the present invention, when the vertical signal is greater than 1288628 14685 twf.doc/y vertical reference signal, the vertical direction is upward, and when the vertical signal is smaller than the vertical reference signal, the vertical direction is downward. According to a preferred embodiment of the present invention, when the vertical signal is greater than the vertical reference signal, the m direction is downward, and when the vertical signal is smaller than the vertical reference signal, the vertical direction is upward. The present invention further provides an eye movement communication device comprising a plurality of electrode patches, an amplifying circuit, an analog digital conversion circuit, a microprocessor, and an output device. The plurality of electrode patches described above are disposed around the eyeball and are responsible for detecting the first analog signal and the second analog signal generated between the electrode patches when the eyeball is active. The amplifying circuit is configured to receive and amplify the first analog signal and the second analog signal, and output the amplified first analog signal and the second analog signal. The analog digital conversion circuit is configured to receive and convert the amplified first analog signal and the second analog signal, and output a first digital signal and a second digital signal. The microprocessor is responsible for finding the corresponding text data according to the first digital signal and the second digital information to the built-in table. The above output device receives and outputs text data. According to a preferred embodiment of the present invention, the output device is a display for displaying the text data. According to a preferred embodiment of the present invention, the output device (which is a speaker for playing the text data), according to a preferred embodiment of the present invention, the above-mentioned eye movement groove 1 The extension includes a storage medium and is responsible for storing the built-in watch. The clothing analog signal is in accordance with a preferred embodiment of the present invention, and the above-mentioned 12286286 14685 twf.doc/y includes a plurality of electrode patches 202 to 208 and an amplifying circuit 210. The analog patch circuit 216, the microprocessor 218, the storage medium 220, and the output device 222. In this embodiment, the electrode patch 202 is disposed above the eyeball, the electrode patch 204 is disposed under the eyeball, and the electrode patch 202 is The system is for detecting a vertical voltage difference signal (which is an analog signal) generated when the eyeball is active. In addition, the electrode patch 206 is disposed on the right side of the eyeball, and the electrode patch 208 is disposed on the left side of the other eyeball, and the electrode patch is disposed. 206 and 208 are for detecting a horizontal voltage difference signal (which is an analog signal) generated when the eyeball is active at 1. The amplifier circuit 210 includes differential amplifiers 212 and 214. The differential amplifier 212 is transmitted through The signal transmission line (not shown) is electrically coupled to the electrode patches 202 and 204, and is responsible for receiving and amplifying the vertical voltage difference signal. Similarly, the differential amplifier 214 is a transmission signal transmission line (not shown). Electrically coupled to the electrode patches 206 and 208, which are responsible for receiving and amplifying the output of the horizontal voltage difference signal. The analog digital conversion circuit 216 is electrically coupled to the differential amplifiers f 212 and 214, respectively. The vertical voltage difference signal and the horizontal voltage difference signal are analog-digital converted, and the vertical digital signal and the horizontal digital signal are output. The microprocessor 218 is electrically coupled to the analog digital conversion circuit 216, the storage medium 220, and the output device 222. And receiving the vertical digital signal and the horizontal digital signal, that is, the graphic formed by the vertical digital signal and the horizontal digital signal, and the built-in table in the storage medium 220 is used to find the text data corresponding to the graphic, and the text data is Output to output device 222.
1288628 14685twf.doc/y 輸出裝置222則在接收並輸出此文字資料。其中，如 熟悉此技藝者可以輕易知曉，輸出裝置可以是一顯示器或 一揚聲器，以顯示或播放此文字資料。 請同時參照圖2與圖3A，本實施例中所提之眼動溝通 方法係為首先將電極貼片202〜208配置於使用者之眼球 四周，而這些貼片202〜208將於使用者眼球轉動時，偵測 眼球活動時所產生之第一類比訊號（垂直電壓差訊號）與 第二類比訊號（水平電壓差訊號）（s302)。其次，則由 差動放大器212接收及對第一類比訊號放大，並輸出放大 後之第一類比訊號，且由差動放大器214接收及對第二類 比訊號放大’並輸出放大後之第二類比訊號（s3〇4)。 接著’類比數位轉換電路216則接收放大後之第一類 比汛號與第二類比訊號，並對其作類比數位轉換後，輸出 轉換後所彳于到之第一數位訊號（垂直數位訊號）與第二數 位訊號（水平數位訊號）（s3〇6)。 接著从處理裔218則根據第一數位訊號與第二數位 訊號所形成的特徵，至儲存舰220巾之内建表尋找此特 徵相對，之符號或文字㈣（_)。其中，此内建表可 以2疋事先以學習向量量化網路對文字作學習後所得到 二字資料可關如是注音符號、漢字、英文 子母央文予、阿拉伯數字等等。 Ξί英則，出裝置222輸出此文字資料“310)。 的-二動係J示依照本發明，佳實施例 屏通辨衫法之步驟流糊。在本實施例中， 11 1288628 14685twf.doc/y 使用者在轉動眼球前，會先將眼球停在眼睛的中央，亦即 眼睛為正視前方，而此正為一基準點（s342)。且中，由 於使用者之電極貼片搬〜2〇8可能是長期配戴，因此若是 =用者欲致能眼動溝通裝置時，可能為献眼球順時 _3圈，即可開始以眼球描繪文字。 ,其次，電極貼片202〜208會偵測眼球離開基準點與再 i人回到基準點間之運行執跡，並得到一水平訊號與一垂直 1 (s344)。其中，在本發明之較佳實施例中，每個字 ^字之間可關如是使用者之眼球回到基準點後，注視基 準點2-3秒後，再轉動眼球。 接著’微處理器218則根據水平訊號與垂直訊號判斷 2軌跡之水平方向（左右）與垂直方向（上下）（s346)。 :中，，在本貫施例巾’係為將基準點之位置標定有一水平 號與-垂直基準訊號，且當水平訊號大於水平基準 虎日守水平方向係设定為向右，而水平訊號小於水平基 :=:寺隹水平方向係設定為向左；而且，當垂直訊號大 =士準訊號時’垂直方向係為向上，而垂直訊號為小 於垂直基準訊號時，垂直方向係為向下。 ^後，將水平方向與垂直方向作合併，並得到一眼球 μf48/ °取後’即以眼球軌跡字形與多數個文 子-貝料作比較，並得到-相符文字資料（s35〇)。 11土==照圖4人與犯’其係分別緣示依照本發明一 ㈣球書寫時之左右電極間電壓差波形 人上下電極間電壓差波形示意圖。 12 1288628 14685twf.doc/y 圖从在與本Γ中例i佥其係以眼球描繪「2」為例作說明。在 置。接著，在筆全^間400為眼球之中心在基準點之位 圖犯之波間402可以看到圖4A之波形向下， 左且向上㈣此由上述之設定可以知道，眼球向 左上阿得到眼球之中,偏離基準點向 圖=波上區間404中可以看到圖4α之波形向上， 右且稍微向〔:說因此由上述之設定可以知道，眼球向 之左上^右移動，可得到眼球之中心係為自基準點 θ 在筆晝區間406中可以看到圖4α之波形向下， ，二下，因此由上述之設定可以知道’眼球向 二:二亦即可得到眼球之中心係為自基準點之右 408中可以看到圖4Α之波形向上，圖犯 移動’因此由上述之設定可以知道，眼球向右 即可得到眼球之中心係為自基準·咖 之、、古2 3旦區間410中可以看到圖4Α之波形向下，圖4Β 上^ ° i，因此由上述之設定可以知道，眼球向左且向 ίίΪ動 魏球之中心為自基準點之右下方向 ㈣t實施例中’依據筆晝區間至所形成之圖 化與原本内建之文字資料相比較，即可得到使用者以眼球 13 1288628 14685twf.doc/y 所描繪之字係為「2」。 然而，在使用者以眼球描繪文字時，使用者在其過程 中可能會有眨眼之情形發生（如圖5所示）。故，在合併 垂直訊號與水平訊號之前，則會先將垂直訊號中與眨目^所 造成之號類似的波形先行濾除，以免因使用者之眨眼， 而造成判斷出來的文字不準確。 在本實施例中，由於水平訊號與垂直訊號間有可能產 生串音（cr0ss-talk)之情形（如圖6所示，其係為以眼球 描繪「+」時，水平訊號在58〇〇ms至6〇〇〇ms間受垂直訊 號所影響），故在眼動溝通裝置中則設定一臨界值來 消除串音之情形。 因此’在本發明之較佳實施例中，係為將水平訊號的 臨界值設為0.015 ’垂直訊號的臨界值設為〇 〇1。故，當 水平訊號或垂直tflft之波純與雜準之轉小於預設: 臨界值時^將它視為微量波動，並忽略不計其振賴勢。 在本貝鉍例中，其他記錄眼球運動的方法大略可分為 直接接觸眼球、眼睛影像與光學特性的方法。在直接接觸 眼球方面：其係利用電磁感應的變化來偵測眼睛移動的方 其作法為將錄個感應線圈放人以驾製成的軟式鏡 片^ ’讓使用者配戴，並在眼睛四邊放置固定的磁場。當 眼目月移動時’鏡片内的感應線圈會因為磁通量 2應電動勢’因此可根據此電動勢的變化來分析眼睛的 在眼睛影像方法方面，其係利用影像追縱法來判斷眼 14 1288628 14685twf. doc/y =運動的位置。其作法為先在紅外線攝㈣旁放置紅外線 ，源’將此光源騎於眼睛及其間，再湘紅外線攝影 機^準眼球正中央。當眼睛移動時，攝影機便不斷地 ，目月影像，並將此影像輸人彡像處理，_判讀眼 睛移動的方向。 光學·方法方面，其為利岐外線（約95()醜）昭 二32時，黑色虹膜與白色鞏膜的反射差異情況來、 ^買_移動的位置。其作法為將紅外線以固定角度 點ί虹膜上，當眼睛移動時’落在鞏膜上的光點 無紅外線接收器接收反射光點的情況，記 錄眼球轉動的訊號。 、，不上所述，在本發明之眼動溝通方法及其裝置以及眼 動溝通辨識方法可讓有知覺但肢體及Π語表達 ^以此裝置與輯通，喊得从能向他 求、内心感受與病情。 逆，、玍居而 雖然本發明已以較佳實施例揭露如上 限定本發明，任佃孰羽+4士激+ >、X非用以 和rη肉，者 白 藝者，在不脫離本發明之精神 # & 、/田可作些許之更動與潤飾，因此本發明之保護 軌圍當視後附之中料利範m所界定者為準。 … 【圖式簡單說明] -立=9 T依&、本發明—較佳實施綱-種眼球外在肌 不思圖。 置之=Ξ:照本發明一較佳實施例的—種眼動溝通裝 1288628 14685twf.doc/y 圖3A緣示依照本發明一較佳實施例的一種眼動溝通 方法之步驟流程圖。 圖3B繪示依照本發明一較佳實施例的一種眼動溝通 辨識方法之步驟流程圖。 圖4A繪示依照本發明一較佳實施例的一種以眼球書 寫時之左右電極間電壓差波形不意圖。 圖4B繪示依照本發明一較佳實施例的一種以眼球書 寫時之上下電極間電壓差波形示意圖。 圖5繪示依照本發明一較佳實施例的一種眼睛眨眼時 之上下電極間電壓差波形示意圖。 圖6繪示依照本發明一較佳實施例的一種以眼球書寫 “+”時的左右電極間電壓差波形示意圖。 【主要元件符號說明】 102 :上直肌 104 :下直肌 106 :上斜肌 108 :下斜肌 110 :内直肌 112 :外直肌 200 :眼動溝通裝置 202、204、206、208 :電極貼片 210 :放大電路 212、214 :差動放大器 216 :類比數位轉換電路 16 1288628 14685twf.doc/y 218 :微處理器 220 :儲存媒體 222 :輸出裝置 400、402、404、406、408、410 :筆晝區間 s302〜s310 :各個步驟流程 s342〜s350 :各個步驟流程1288628 14685twf.doc/y The output device 222 receives and outputs the text data. Among them, as is familiar to those skilled in the art, the output device can be a display or a speaker to display or play the text material. Referring to FIG. 2 and FIG. 3A simultaneously, the eye movement communication method in the embodiment is to first arrange the electrode patches 202 to 208 around the eyeball of the user, and the patches 202 to 208 will be in the eye of the user. When rotating, the first analog signal (vertical voltage difference signal) and the second analog signal (horizontal voltage difference signal) generated when the eyeball is active are detected (s302). Next, the differential amplifier 212 receives and amplifies the first analog signal, and outputs the amplified first analog signal, and the differential amplifier 214 receives and amplifies the second analog signal and outputs the amplified second analog. Signal (s3〇4). Then, the analog-to-digital conversion circuit 216 receives the amplified first analog apostrophe and the second analog signal, and performs analog-to-digital conversion, and then outputs the converted first digital signal (vertical digital signal) and The second digit signal (horizontal digital signal) (s3〇6). Then, from the processing person 218, according to the characteristics formed by the first digital signal and the second digital signal, the built-in table of the storage ship 220 towel looks for the symbol, the symbol or the text (4) (_). Among them, the built-in table can be obtained by learning the vector before the learning vector is used to learn the text. The two-character data can be related to phonetic symbols, Chinese characters, English mother and daughter, Arabic numerals and so on. Ξί英, the output device 222 outputs the text data "310." The two-motion system J shows the steps of the screen-based method in accordance with the present invention. In this embodiment, 11 1288628 14685twf.doc/ y Before turning the eyeball, the user will first stop the eyeball in the center of the eye, that is, the eye is facing the front, and this is a reference point (s342). And, because the user's electrode patch moves ~2〇 8 may be worn for a long time, so if the user wants to enable the eye-moving communication device, it may be that the eyeball is _3 laps, then the eyeball can be started to draw the text. Secondly, the electrode patch 202~208 will detect Measuring the running of the eyeball away from the reference point and returning to the reference point, and obtaining a horizontal signal and a vertical 1 (s344). In the preferred embodiment of the present invention, each word is If the user's eyeball returns to the reference point, the eyeball is turned 2-3 seconds after the reference point is turned on. Then the microprocessor 218 judges the horizontal direction (left and right) of the 2 track according to the horizontal signal and the vertical signal. Vertical direction (up and down) (s346). : Medium, in the present application The case towel is configured to calibrate the position of the reference point with a horizontal number and a vertical reference signal, and when the horizontal signal is greater than the horizontal reference, the horizontal direction of the tiger is set to the right, and the horizontal signal is smaller than the horizontal base: =: The horizontal direction is set to the left; and when the vertical signal is large = the standard signal, the vertical direction is upward, and when the vertical signal is smaller than the vertical reference signal, the vertical direction is downward. ^ After the horizontal direction is The vertical direction is combined, and an eyeball μf48/° is taken, which is compared with most of the text-bean materials, and the corresponding text data (s35〇) is obtained. 11 soil == according to Figure 4 A schematic diagram showing the waveform of the voltage difference between the upper and lower electrodes of the left and right electrodes when the ball is written in accordance with the present invention. 12 1288628 14685twf.doc/y The figure is from the example of this book. Take the eyeball depicting "2" as an example. In the set. Then, in the pen all the 400 is the center of the eyeball at the reference point of the bitmap between the wave between the 402 can see the waveform of Figure 4A down, left and up (four) from the above settings can know that the eyeball to the left upper eye Among them, the deviation from the reference point to the map = upper wave section 404 can see that the waveform of Figure 4α is up, right and slightly toward [: say that it can be known from the above setting, the eyeball moves to the left and right, and the eyeball can be obtained. The center system is from the reference point θ. In the pen interval 406, the waveform of Fig. 4α can be seen downward, and two times. Therefore, it can be known from the above setting that 'the eyeball is two: two can also obtain the center of the eyeball is self. In the right 408 of the reference point, you can see that the waveform of Figure 4 is up, and the figure is moved. Therefore, it can be known from the above settings that the center of the eyeball can be obtained from the baseline, the coffee, and the ancient 2 3 In 410, the waveform of Fig. 4Α can be seen downward, and Fig. 4Β is ^ ° i, so it can be known from the above setting that the eyeball is to the left and the center of the weiί is moved from the center of the reference point to the lower right direction (four) t. 'Based on the pen interval to The resulting figure is compared with the original built-in text data, and the word system depicted by the user in the eye 13 1288628 14685twf.doc/y is "2". However, when the user draws the text with the eyeball, the user may have a blinking situation in the process (as shown in Fig. 5). Therefore, before the vertical signal and the horizontal signal are combined, the waveform similar to the number caused by the target ^ in the vertical signal is filtered out first, so as to avoid the inaccurate text of the judgment due to the user's blink of an eye. In this embodiment, since there is a possibility of generating crosstalk (cr0ss-talk) between the horizontal signal and the vertical signal (as shown in FIG. 6, when the "+" is drawn by the eyeball, the horizontal signal is at 58 〇〇ms. It is affected by the vertical signal to 6〇〇〇ms), so a threshold value is set in the eye-moving communication device to eliminate the crosstalk. Therefore, in the preferred embodiment of the present invention, the threshold value of the horizontal signal is set to 0.015' and the threshold of the vertical signal is set to 〇 〇1. Therefore, when the horizontal signal or the vertical tflft wave pure and the miscellaneous rotation is less than the preset: the critical value ^ is regarded as a slight fluctuation, and ignores the vibrating potential. In this case, other methods of recording eye movements can be roughly divided into direct contact with the eye, image and optical characteristics of the eye. In terms of direct contact with the eyeball: it uses the change of electromagnetic induction to detect the movement of the eye. The method is to put a flexible lens into which the induction coil is placed, and let the user wear it and place it on the four sides of the eye. Fixed magnetic field. When the eye movement moves, the 'induction coil in the lens will be electromotive force due to the magnetic flux 2'. Therefore, the eye image method can be analyzed according to the change of the electromotive force. The image tracking method is used to judge the eye 14 1288628 14685twf. doc /y = position of the movement. The method is to place infrared rays next to the infrared camera (four), and the source is to ride the light source between the eyes and the room, and then the Xiang infrared camera is in the center of the eyeball. When the eye moves, the camera constantly images the eye, and the image is input into the image, and the direction of the eye movement is judged. In terms of optics and methods, it is the location of the difference between the reflection of the black iris and the white sclera, and the position of the movement of the black iris and the white sclera at the time of the outer line (about 95 () ugly). The method is to place the infrared rays at a fixed angle on the iris, and when the eye moves, the spot that falls on the sclera does not receive the reflected spot by the infrared receiver, and records the signal of the eyeball turning. In addition, in the above, the eye movement communication method and device thereof and the eye movement communication identification method can make the sensation but the body and the proverbs express the device and the device, and shout from being able to ask him, Inner feelings and illness. In contrast, although the present invention has been disclosed in the preferred embodiments as defined above, the present invention is not limited to the present invention, and any of the 佃孰 + + 4 士 激 + >, X is not used and r η meat, the white artist, without departing from the present The spirit of the invention # &, / Tian can make some changes and retouching, so the protection track of the present invention is subject to the definition of the material. ... [Simple description of the diagram] - Li = 9 T according to &, the present invention - a preferred embodiment - the external muscle of the eyeball is not thought. 。 Ξ Ξ 照 照 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 886 FIG. 3B is a flow chart showing the steps of an eye movement communication identification method according to a preferred embodiment of the present invention. FIG. 4A is a schematic diagram showing a voltage difference waveform between left and right electrodes when writing in an eyeball according to a preferred embodiment of the present invention. FIG. FIG. 4B is a schematic diagram showing a waveform of voltage difference between upper and lower electrodes when writing in an eyeball according to a preferred embodiment of the present invention. FIG. FIG. 5 is a schematic diagram showing the waveform of voltage difference between the upper and lower electrodes when the eye blinks according to a preferred embodiment of the present invention. 6 is a schematic diagram showing a waveform of a voltage difference between left and right electrodes when writing "+" with an eyeball according to a preferred embodiment of the present invention. [Main component symbol description] 102: Upper rectus muscle 104: Lower rectus muscle 106: Upper oblique muscle 108: Lower oblique muscle 110: Internal rectus muscle 112: External rectus muscle 200: Eye movement communication devices 202, 204, 206, 208: Electrode patch 210: amplifying circuit 212, 214: differential amplifier 216: analog-to-digital conversion circuit 16 1288628 14685twf.doc/y 218: microprocessor 220: storage medium 222: output devices 400, 402, 404, 406, 408, 410: the pen interval s302~s310: each step flow s342~s350: each step flow
1717