A7 ___B7_ 五、發明説明（） 〈發明領域〉 本發明係有關於一種可雙向顯示之裝置及方法，係為 —應用於顯示器或顯示裝置之正、反180度顯示方向變換 控制之裝置及方法者。 按，顯示裝置廣泛地使用於各類家庭電器及事務機器 上，諸如最常見及使用之LCD液晶顯示器或LED七段顯示 器，則更為頻繁地應用於諸如發用手握式行動電腦、信用 卡或1C卡之消費刷卡電腦、計算器、手錶...等等用Μ査 詢身份、計算消費貨品金額及計時等事務機器上，使得該 相關之身份査詢、消費金額及時間得Μ被正確地顯示出來 〇 經濟部中央標準局員工消費合作社印製 {請先閱讀背面之注意事項V::寫本頁) 然而，在上述傳統之行動電腦、消費刷卡電腦、計算 器及手鍵等用品，在於該顯示器之設計上，由於需配置以 鐽盤或按鐽等輸入裝置，Μ輸入命令取得相對資訊之顯示 ，因此，使得裝設在該行動電腦、消費刷卡電腦、計算器 及手錄等用品之顯示器或顯示裝置，則皆為單一方向之顯 示方式」鸟就是該顯示器或顯示裝置_笔宇_聖.及J見示..位-蟇是^ 靣對使用者或操作者本身，對„於在11羞L尽方向之消費考.或 姐礙，且使消費者或旁觀者觀看上將非常不便，旁觀者 而言，實很難由該顯示裝置或顯示器之單一方向顯示內容 得到正確之訊息，而必需藉由該行動電腦、消費刷卡電腦 、計算器及手錬等物品之轉向，不但使使用者或操作者繼 續操作之連貫性及流楊性受到阻礙，且使消費者或旁觀者 於觀看上將非常不便，諸如消費刷卡電腦，用於信用卡或 1C卡之資訊謓取及顯示，若僅能由植台之使用者或操作者 觀看到消費金額或計算结果，則在於相對反方向之消費者 則未必能看清楚該消費金額或f+算结果，而導致消費者及 機器操作者間有溝通不便之現象，相同地，在計算器之操 -3- 本紙乐尺度適用中國國家標準（CNS ) A4現格（210X 297公釐） 經濟部中央標準局員工消費合作社印製 A7 _B7_. _ 五、發明説明（） 作上，亦會產生相同之困擾，實乃目前顯示器或顯示裝置 於顯示上極待解決之主要課題。 〈創作目的及概述〉 緣此，本發明之主要g的/即是在於提供一種可雙向 顯示之裝置及方法，可藉由單一按鍵之操作，使單一顯示 器或顯示裝置可作180度正向或反向之顯示，可使諸如手 握式行動電腦、刷卡式電腦、計算器、手錄等等...物品 之顯示器或顯示裝置作正向及反向顯示切換，以使操作者 及消費者皆可透過此一雙向顯示操作，得到正確及正面之 顯示資訊。 本發明之再-Y目的/，即是在於提供一種可雙向顯示之 裝置及方法，尤以其中，該或尽向顯示之選擇，可造 遇一重心開關為之，即可藉由該手握式行動電腦、刷卡式 電腦、計算器、手錄等等之前傾或後仰之動作，_來1到自 動調整顯示装置任向或尽向_顧，示e 為達上述之目的，本發明之裝置，係至少包含三組解 碼器、一顯示字碼記憶體及顯示字型記憶體，其中，每組 解碼組包括一正向解碼器友反向解碼器反向解碼器，以對 應正向或反向顯示之選擇控制信號，係透過一重心開關或 按鐽壓按來選擇，且該三對解碼組分別裝設於該顯示字型 記憶體之輸入端、輸出端及該顯示字碼記憶體之輸入端， Μ使該正向或反向解碼器依照正向或反向顯示之選擇信號 ，執行正向或反向顯示解碼之動作，即是使顯示字碼記憶 體内之字碼位置，作正向或反向顯示位置之排列；及使該 顯示字型記憶體作顯示字型之上、下、左、右之正向或反 向顯示之調整，Μ命最終之LCD或LED等顯示裝置，可隨 時切換輸出正、反180度之實訊顯示。 ]1七外，為洼上述之目的，本發明之方法，則包含一顯 -4- 衣饫疚义改边丐中SS家焓华（CNS ) ( m〇X；：f公S ) --------1扣衣------1T------缘 - , - (請先閲讀背面之注意事項再填寫本頁) 經濟部中央標孪局員工消費合作社印^ A7 _B7___- 五、發明説明（） 示控制流程，該顯示控制流程則是存放於諸如CPU內之記 憶體或其外加之記憶體內，亦可藉由一重心開關或按鍵應 按操作，以使該顯示控制流程，依顚示字型及顯示座標等 控制流程，使顯示器或顯示裝置作正向或反向之顯示態樣 及動作者。 本發明之詳细技術內容及實際操作、應用，將藉由以 下詳细之說明使之明確，同時，兹列舉一較佳之實施例， 並佐以相關圖式，俾使其該技術手段及發明重點，得以更 加清楚明瞭，其中： 圖式部份： 圖一係本發明之裝置之糸統方塊線路圖； 圖二係本孽明之裝置作正向顯示之流程示意圖之一； 圖三係本發明之裝置作正向顯示之流程示意圖之二； 圖四係本發明之裝置作正向顯示之流程示意圖之三； 圖五係本發明之裝置作正向顯东之流程示意圖之四； 圖六係本發明之裝置作反向顯示之流程示意圖之一； 圖七係本發明之裝置作反向顯示之流程示意圖之二ί 圖八係本發明之裝置作反向顯示之流程示意圖之三； 圖九係本發明之第一、第二及第三解碼組之線路實施 例圖； 圇十係本發明之裝置作反向顯示之操作流程圖； 圖-Ϊ--係本發明中之方法之顯示控制流程圖； 圖十二係本發明之應用例圖； 〈較桂實;^例之敘述〉 首先請參閱圖一〜三圖所示，本發明之正、反向顯示 装置.係包含一顯示字碼記憶體10,該顯示字碼記憶體10 係儲存欲顯示之各項字型之字碼，例如：ASCII (美國標 準碼.‘·），其字碼之儲存方式，則如隱二所示.在本發明中 -5- 本饫疢义度边用中SS家喆辛（CNS ) 烙（210X 公没） ------------辦衣--,------ 訂 ' > ) " (請先閲讀背面之注意事項再填寫本頁) 經濟部中央楳準扃員工消费合作社印袈 A7 ___B7_ 五、發明説明（) 為便於說明，兹M” 1234 ”等字元之顯示為例，來加以銳 明，惟該實施例之揭示，並不足Μ拘限其範赌，其中，_ 相封之字碼則依序儲存於$1000〜$1003之位址中；及一_ 示字型記億體20，則儲存對應顯示字碼記憶體1〇內字碼> 點矩陣字型實料，即由字碼記憶體1〇輸出字碼之順序，來 相對選擇顯示字型記憶體20內之字型，其詳细之動作及流 程，將在以下文中，有詳盡之說明。 —第一解碼組30,係透過一位址多工器X連結至字碼 顯示記懍體10之位址増（ADDRESS PORT )·即該第一解碼 組30之輸出端為連接於該位址多工器X之第一輸入端χι., 該位址多工器X之第二輸入端Χ2則連接於如微處理器之位 址姆（圖中未顯示），Μ控制儲存所欲顯示字碼賣料之儲 存位址，另一實料多工器Υ則連結於顯示字碼記憶體1〇之 實料掉（DATA PORT )及顯示字型記憶體2〇之位址堤之高 位址Η (如圖三所示）間•以選擇該顯示字型記憶體20中 之相對字型資料，並指向該點矩陣字型資料儲存之起始位 址，例如：以” 4 ”之ASCII碼44h為例，則在圖三中所 顯示之起始位址為$220位址，另該資料多工器γ之寅料輸 入端Y1，則連结至如微處理器之資料塘（圖中未顯示）， 以將所欲顯示之字碼，透過該資料多工器Y ,依照位址多 工薛X _出端輸入該顯示字碼記憶體10之位址，將該字碼 實抖俘入該顯示字碼記憶體！_ 〇之相對位址中。 上述第一解碼組30係包括一第—正向解碼器31及第一 度向解碼器32，其中，該第〜正向解碼器31及第一反向解 碼器32之輸入控制端，該選取字碼控制信號線a及A，則分 別代丧字碼正向顯示位置及反向顯示位置之位址控制信號 ，可声制該第—正向解碼器31或第一反向解碼器32分別作 正向或反向顯示字碼寶料諫取位置順序，即控制顯示字型 _________二6 - ( CNS ) Α4ϊ.ϊ^ ( -1〇Χ^97λ>，5 ) " I - 丨；.裝n ^ ； 訂 . 後. ~ \ ί辞先閲讀背面之注意事項再填寫本頁) 經濟部中央標準局員工消費合作社印製 A7 B7 五、發明説明（） 之顯示位置排列該第一正向解碼器31及第一反向解碼器32 之輸出端則分別連结至該位址多工器X第一輸入端XI,以 輸入字碼謓取址至該顯示字碼記憶體10之位址増（ADDR ESS PORT ), Μ依正向顯示位置或反向顯示位置之字碼控 制信號，使該顯示字碼記憶體10之輸出端，即該資料増（ DATA PORT )送出相對於正向顯示位置或反向顯示位置之 字碼請取順序及點矩陣字型儲存始位址之參考信號B,輸 入至顯示字型記憶體20作為謓取字型資料之選擇及讀取資 料起始位址之指向。 圖二及圖六兩者即是相互對照之正向及反向顯示之狀 態，圖二為正向.顯示時，該顯示字碼記憶體10謓取字碼資 料之順序，目卩以” 1234 ”之順序來使顯示字型記憶體20依 序選取相對之點矩陣字型；反之，圖六所顯示者，即是反 向顯示時，該顯示字碼記憶體10,讀取字碼資料之位址順 序，即是以” 4321 ”之順序來使顯示字型記憶體20,依此 位址順序來選取相對之點矩陣字型資料。 另第二解碼組40 ,則包括一第二正向解碼器41及第二 反向解碼器42 ,該輸入控制端則分別連結至字型掃瞎控制 信號線C及C’上，該字型掃猫控制信號線C及C’，則分別 代表正向及反向顯示字型之顯示控制信號，其中，在該第 二正向解碼器41及第二反向解碼器42所負責之工作，即是 控制圖四及圖五所示顯示字型之點矩陣字型資料位址謓取 順序，也就是前述之圖三所示之低位址L之值，即該第二 正向解碼器41及第二反向解碼器42可為一上數及下數之計 數器，如正向顯示時，則諸如上述圖三所示之顯示字型資 料儲存指向位址，則由$220〜$227位址依序逐一遞增謓出 點矩陣字型資料；反之，反向顯示時，則如圖七所示，由 $227夂$220位址逐一由下而上依序讓出該點矩陣字型之資 I I) ^ I 《 Ί ； 訂 | 贫 (請先閲讀背面之注意事項再填寫本頁) -7- A 7 B7 五、發明説明（） 料，換言之，即是在控制顯示字型之上、下顯示順序狀態 ，也就是控制字型上、下零度（正向顯示）或一百八十度 (反向顯示）之正向或上、下翻轉顯示控制，由該第二正 向解碼器41及第二反向解碼器42之輸出端輸出一上、下顯 示制信號D至顯示字型記憶體20之輸入端，即相尉於該顯 示字型言己'億體20之位址掉（ADDRESS PORT )之低位址L , Μ使顯示字型記憶體20之輸出端，即該資料増（DATA PQR T)，根據該顯示字碼記憶體10輸出之參考信號B及第二解 碼組40輸出之顯示字型資料讀取位址之低位址L ,來使該 顯示字型記憶體20之輸出端輸出第一階段顯示信號E，該 第一階段顯示信號E即為該點矩陣之子型之每一列資料（ 即每一位址之實料），它是以串列方式來輸出。 經濟部中央標準局員工消費合作社印裝 --------：—<J裝 —Ί . 一 (請先閏讀背面之注意事項再填寫本頁) 此夕卜，第三解碼組50,則包括一第三正向解碼器51及 第三反向解碼器52，該輸入端則連结至顯示字型記'隱體20 之輸出端（即該資料堤），也就是接受該輸出之第一階段 顯示信號E，而第三正向解碼器51及反向解碼器52則Μ該 字型掃猫控制信號線C及C ’之正向顯示或反向顯示控制為 控制之參考，圖五及圖八即是正向顯示及反向顯示之狀態 ，其中，即是在於控制讀取該每列點矩陣字型賣料之位元 (BIT )資料輸出順序，故該第三正向解碼器51及第三反 向解碼器52則負責將該第一階段顯示信號E作顯示字型資 料之左、右零度或一百八十度之正向或反向之左右翻轉顯 示控制，即是控制顯示字型之點矩陣字型之點（DOT ) 之 左、右排序，如正向顯示時，貝IJ由ΒΙΤ0〜BIT7讀出後，對 應輔i出Β ΙΤ0〜B IT7 ; 反之，為反向顯示時，貝【J由B IT7〜B I T0讀出後，輸出ΒΓΓ0〜BIT7,換言之，即是在控制顯示字 型之左、右顯示狀態，也就是控制字型左、右零度（正向 顯示.）或一百八十度（反向顯示）正向或左、右互換翻轉 本砭玦义度ϋ月中gg家结辛（CNS ) 格（2iOX；^了公没） 經濟部中央標準局員工消費合作社印袈 A7 B7 五、發明説明（） 頭示控制，由該第三正向解碼器51及第三反向解碼器52之 喻出端輸出一第二階段顯示信號F至LCD顯示器、LED顯 吊器或CRT (陰極射線管）顯示裝置，以作顯示字型及位 置之正向或反向顯示结果，也就是可作正常正向顯示或上 、下、左、右顯示字型及顯示位置180度反向顯示。 請再配合國九所示，如圃---圖八所示，本發明之正 、反向顯示裝置中，該第一解碼組30、第二解碼組40及第 三解碼組50之線路實施例圖，此線路實施例之揭示，僅為 便於說明之用，並不足Μ限制本發明之範赌，其中，該第 一解碼組30及第二解碼組40，在上文中已提及為一上數計 m C UP COUNTER )及下數言十數器（DOWN COUNTER ),其 電路之實胞態樣則如圖八中所示，該第一解碼組30則為一 第一計数器1 A、第一正向三態閘組2 A及第一反向三態閘組 構成；該第二解碼組40，則為一第二計數器1B、第二正 向三態閘組2B及第二反向三態閘組3B構成，該第兰解碼組 50則為一第三正向三態閘組1C及第三反向三態閛組2C，且 該第三正向三態閜組1C及第三反向三態鬧組2C則連接成正 、反向货枓匯流排傳輸狀態；另該選取字碼控制信號線A 及A ’間為電氣信號互鎖之狀；Μ及，該字型掃猫信號線C 及C ’間亦為電'氣信§虎互鎖之狀態，以確認該正向顯示或反 间顯示之各動作步驟為惟一。 請再配合圖十所示，圖十所顯示者，乃本發明對於18 0度反向顯示之實施流程狀態，惟此實施例之揭示，並不 足Μ限制本發明之範赌，.-其中，該原來之正向顯示狀態為 _九中之第一顯示框1D, 即標示於” 1234 ’’之字樣於顯示 器或顯示装置之右上角；而第二顯示框2D，則使原先顯示 "123.4 ”等字樣，.經第一解碼.姐30之反向解碼器32之處理 後，由顯示字碼記憶體10輸出端所輸出之參考信號Β來使 _-9-_ 本用中SS家结辛（CNS ) (：：丨ΰχΜ7公釐1 --------_--^裝 —------訂--------束 - - 】 . - (請先閲讀背面之注意事項再填寫本頁) 經濟部中央標準局員工消費合作社印- A7 B7 五、發明説明（） 該顯示之字樣預先成為” 4321 ”之反序排列及顯示位置改 變至右下角，但此時該顯示器或顯示裝置並不作顯示狀態 之改變；另在於第三顯示框3D之部份，則是將第二顯示框 2D所處理完成之字型，再作上、下180度翻轉之字型顯示 處理，但此一階段顯示器仍不作任何顯示資訊之改變；Μ 及，在第四顯示框4D之部份，則是將第三顯示框3D之顯示 實料，再經第三解碼組50之反向解碼器52作反向顯示之處 Ϊ里，即Η等第三顯示框3D內之字型再作左、右ιεο度原位翻 轉之處理，即完成了原先” 1234 ”之字型、字碼位置之反 向顯示處理，此時，顯示框4D內之資訊，將輸出顯示於顯 示器或顯示裝置上，而使位於顯示器或顯示裝置相尉位置 180度之觀察者，可同樣觀察至[]相同之” 1234 ”字樣之顯 示，而達到本發明可作正向或反向顯示操作之目的。 另外，同理可得，在上述反向顯示之處理過程中，皆 是將顯示字碼或.顚示字型經第一解碼組30、第二解碼組40 及第三解碼組_ 50之第一反向解碼器32、第二反向解碼器42 及第三反向解碼器52之處理路徑，若欲作正向顯示時，則 處理之路徑，將變成為第一正向解碼器31、第二正向解碼 器4： 1及第三正向解碼器51。 在Μ上圖一〜圖十所述本發明之正、反向顯示裝置， 刖可藉由所應用之物品，如行動電腦、消費刷卡電腦、計 算機及手錯之按鍵或加設以重心開關於其內，來達到以按 鍵壓按操作或該物品之重心前、後傾斜操作，而作正向或 反向之顯示切換操作。 Μ再配合圖-f——所示，本發明之正、反向顯示之方法 ，圖-f——所顯示之控制流程，係可存放於如行動電腦、消 赞剧卡范腦、計算機及手錄之CPU (徹處理器）或記憶體 内（如EPROM )，而亦可藉由上述之按鐽壓按操作或重心 本.¾¾尺度適用中SS家榇皁（CNS ) A4^格（210X 297公釐） I ^ ,‘裝 ； 1 訂 . - . / (請先閱讀背面之注意事項再填寫本頁) 經濟部中央標準局員工消費合作社印製 A7 B7 五、發明説明（） 開關前、後傾斜操作之方式來切換正向或反向之顯示操作 〇 首先，在圖十一所示之控制J流程中，該步驟100則是 先判定目前之顯示狀態為正向或反向顯示，步驟110及步 驟120則分別要隶反向顯示及要求正向顯示之判斷，也就 是依步驟100之目前顯示狀態，由上述之按鐽壓按或重心、 開關之前、後傾倒I操作，來作顯示狀態是否變化之依據； 步130 ,則為由正向顯示轉換為反向顯示或由反向顯示轉 換成正向顯示之操作步驟，其中，係在於執行讀取目前顯 示賣料之點矩陣字型實料至預設之工作區域内動作，如自 顯示器或顯示裝置之顯示記憶體中鏔取此一點矩陣資訊， 且此工作區域可為RAM (随機存取記憶體）。 步驟130則為將上述自顯示記憶體或解碼器中請取之 點矩陣字型翻轉作上、下、左、右之尉調，也就是將原先 之顯示横軸X及縱軸Y位置作上、下.、左、右之位置變化 , 即新横軸座標X’=最大橫軸座標MAX X-原先橫軸座標X ;新縱軸座標Y’=最大縱軸座標MAXY-原先縱軸座標Y ;並 將最终之點矩陣字型顯示於最終橫軸座標X ’’及最終縱軸 座標Υ ’’上，作字型翻轉一百八十度顯示之處理，即將並 再重新將此資料送至顯示裝置；步驟140即是記錄目前最 新之顯示狀態，如為正向顯示或反向顯示，故在步驟100 〜步驟140則為作顯示字型之正向或反向顯示變換之控制 流程.。 步驟200 ,則是判別來自上述字型顯示處理控制流程 ，是否要作後缋個別字元（WORD )之更新或增加顯示，例 如：輸入數字之更正或增加數字，即該個別更新字元顯示 货料之顯示變換，若此時不更新或增加任何字元資料顯示 ，要雄抒原來之正向或反向顯示狀態，則直接回復至開始 -11- . ^ ; - '^衣 一 訂 (請先閱讀背面之注意事項再填寫本頁) 經濟部中央標準局員工消費合作社印袈 A7 _B7_ 五、發明説明（） (START )之處理狀態；反之，若是爾作更新個別字元顯 示資料之顯示，則繼續執行步驟210之更新或增加資料顯 示狀態之判斷，即欲作正向顯示狀態，則直接將顯示字型 顯示至正向顯示對應之横軸X ,縱軸Y座標上，反之，若 要作反向之顯示時，則進入步驟220之新座標計算之步驟 ,即將原先之顯示橫軸X及縱軸Y位置作上、下、左、右 之位置變化，即新橫軸座標X’=最大横軸座標MAX X-原先 横軸座標X ;新縱軸座標Y’=最大縱軸座標MAXY-原先縱軸 座標Υ ;並再執行步驟230 ,將最終之點矩陣字型顯示於 最終横軸座標X ’’及最終縱軸座標Υ ’’上，以完成自步驟 200至步驟230之更新顯示字型及顯示位置控制流程，俾 以達到本發明可作正向或反向顯示之切換操作。 請再參閱圖十二所示，圖十二所示者，係本發明列.舉 之較佳應用例，該應用物品為一般設於榧台之消費刷卡電 腦，惟此應用例之揭示，僅為便於說明之用，不足以拘限 本發明之範嚼，其中，該消費刷卡電腦，可由前端或後端 詡入信用卡或1C卡之實訊（非屬本發明之範_，故不予詳 述），值得一提者，乃本發明在上述圖--圖十二所揭示 之正向或反向顯示之裝置或方法，可直接應用在此一消費 刷卡電腦上，而使該顯示器或顯示裝置之部份，可藉由上 述之按鐽歷按操作或重心開關之前、後傾斜，使該顯示装 置可針對操作者及消費者雙方作正、反兩方向之資訊顯示 ,使操作者及消費者皆可獲得正確及相對正向之顯示狀態 ，而使操作者及消費者皆可獲得較為便利之資訊獲取方式 ，誠為一極具產業利用價值者之發明。 综上所述，本發明實為一前所未見之正向、反向顯示 之装置及方法，尤Μ該正向及反顯示切換之操作，對於諸 女Πίγ·動頌腦、消費刷卡霜腦、計算機及手鍊等物品之顯示 -12- 衣纸伕尺度通用中S國家揉李（CNS ) Α4»·ί格（2Ι0_Χ297公沒) (請先閲讀背面之注意事項再填寫本頁) ---------.--,--?装---.---訂 > —I- - -in A7 B7 五、發明説明（) 裝置之操作，則皆可達到使用一顯示器或顯示裝置•皆可 供操作者及消費者獲得相同及正確資訊顯示之目的及產業 利用價值，實已符發明專利之法定要件，爰依法具文提出 申請。為此，謹請 貴審査委員詳予審査，並祈早日賜淮 專利，實感德便。 ------；--··----裝丨'------訂----^---嗲· *' (請先閲讀背面之注意事項再填寫本頁) 經濟部中央標準局員工消費合作社印^ -13-A7 ___B7_ V. Description of the Invention (Field of Invention) The present invention relates to a device and method capable of bidirectional display. The invention relates to a device and method for 180 ° display direction changing control applied to a display or display device. . Display devices are widely used in all kinds of home appliances and office machines, such as the most common and used LCD liquid crystal displays or LED seven-segment displays, and are more frequently used in applications such as hand-held mobile computers, credit cards or Consumption swipe computers, calculators, watches, etc. of 1C card, etc. Query the identity, calculate the amount and timing of consumer goods, etc. on transaction machines, so that the relevant identity query, consumption amount and time are displayed correctly. 〇 Printed by the Consumer Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs {Please read the note on the back V :: Write this page) However, the traditional mobile computers, consumer swipe computers, calculators, and hand keys and other supplies are on the display In terms of design, since input devices such as a disk or a keyboard are required to be installed, the M input command obtains the display of relative information, so that it is installed on the display of the mobile computer, consumer card computer, calculator, and hand recorder or other supplies. The display device is a single-direction display mode. "Bird is the display or display device_ 笔 宇 _ 圣. And J 见 示 ..Bit- 蟇 Yes ^ For the user or the operator itself, it is difficult to use the display device in the direction of consumption in the 11th direction. It may be very inconvenient for consumers or bystanders to watch. For the onlookers, it is really difficult to use the display device. Or the display of the content in a single direction of the display to get the correct information, and must be turned by the mobile computer, consumer swipe computer, calculator, and hand bags, etc., not only to make the user or operator continue to operate in a consistent and stylish manner Obstructed, and make consumers or bystanders very inconvenient in viewing, such as a consumer card computer, used for credit card or 1C card information capture and display, if the consumption can only be viewed by the user or operator The amount or calculation result is that the consumer in the opposite direction may not be able to clearly see the consumption amount or f + calculation result, which leads to inconvenience in communication between the consumer and the machine operator. Similarly, in the operation of the calculator- 3- This paper scale is applicable to the Chinese National Standard (CNS) A4 (210X 297mm). Printed by the Consumer Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs. A7 _B7_. _ V. Description of the invention ( The same problem will arise in operation, which is actually the main problem that the current display or display device needs to be solved on the display. <Creation purpose and overview> For this reason, the main g of the present invention is to provide a bidirectional The display device and method can be operated by a single key, so that a single display or display device can display 180 degrees forward or reverse, such as handheld mobile computers, credit card computers, calculators, hand recording Wait ... the display or display device of the article is switched between forward and reverse display so that both the operator and the consumer can obtain correct and positive display information through this bidirectional display operation. The purpose / is to provide a device and method capable of bidirectional display, especially among them, the choice of the or all-direction display can be achieved by a center-of-gravity switch. Computers, calculators, hand records, etc., tilt forward or backward, _come 1 to automatically adjust the display device either direction or direction _ Gu, showing e In order to achieve the above purpose, the device of the present invention is at least Contains three sets of decoders, a display code memory and a display font memory, wherein each set of decoding groups includes a forward decoder and a reverse decoder reverse decoder, corresponding to the choice of forward or reverse display The control signals are selected through a center of gravity switch or pressing and pressing, and the three pairs of decoding groups are respectively installed at the input terminal, the output terminal of the display font memory and the input terminal of the display code memory. The forward or reverse decoder performs the forward or reverse display decoding operation according to the selection signal of the forward or reverse display, that is, the position of the code in the displayed word memory is displayed in the forward or reverse direction. And the display font memory is used to adjust the display font's up, down, left, and right forward or reverse display, and the final LCD or LED display device can switch output at any time. Inverse 180 degree display. [7] In addition, for the above purpose, the method of the present invention includes an explicit -4- clothing guilt change SS family enthalpy (CNS) (m〇X ;: f 公 S)- ------ 1 Button-up --------- 1T ------ Yuan-,-(Please read the notes on the back before filling out this page) Printed by the Employees' Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs ^ A7 _B7 ___- V. Description of the invention () The display control process is stored in the memory such as the CPU or an additional memory, and it can also be operated by a center of gravity switch or button to make the The display control process, according to the control process such as the display font and display coordinates, enables the display or display device to display in the forward or reverse direction and the action. The detailed technical content and actual operation and application of the present invention will be made clear by the following detailed description. At the same time, a preferred embodiment is listed, and related drawings are provided to make the technical means and invention. The key points can be more clearly understood, including: Figure part: Figure 1 is a block circuit diagram of the system of the present invention; Figure 2 is one of the flow diagrams of the present device for forward display; Figure 3 is the present invention The second schematic flow chart of the device for forward display; Figure four is the third schematic flow chart of the device for forward display of the present invention; The fifth is the fourth schematic flow chart of the device for forward display of the present invention; One of the schematic diagrams of the reverse display of the device of the present invention; Figure 7 is the second schematic diagram of the reverse display of the device of the present invention; The eight is of the third schematic diagram of the reverse display of the device of the present invention; It is a line embodiment diagram of the first, second and third decoding groups of the present invention; 囵 Ten is a flowchart of the operation of the device of the present invention for reverse display; Figure-Ϊ--is a display control of the method of the present invention Flow chart; Figure twelve is a diagram of an application example of the present invention; <more Guishi; description of ^ examples> First, please refer to Figures 1-3, the forward and reverse display device of the present invention. It includes a display code Memory 10, the display code memory 10 stores the fonts of various fonts to be displayed, for example: ASCII (American Standard Code. '·). The storage method of the fonts is as shown in Hidden II. In the present invention Chinese-5- The original meaning of the side is used in the Chinese SS Jiaxun Xin (CNS) branding (210X male not) ------------ handle clothes-, ------ order ' >) " (Please read the notes on the back before filling out this page) Printed on the A7 ___B7_ by the Ministry of Economic Affairs, the Central Government, the Employees' Cooperatives and Cooperatives. V. Description of the Invention () For the convenience of explanation, here are the characters such as “1234” Show as an example to sharpen, but the disclosure of this embodiment is not enough to limit the range of gambling. Among them, the _ related letters are sequentially stored in the address of $ 1000 ~ $ 1003; and a _ display word If the type memory is 20, the corresponding fonts in the display code memory 10 will be stored.> Dot matrix font actual data, that is, the order in which the code is output from the code memory 10. Selection of font within font memory 20, the detailed flow of the operation and the following text, there is a detailed description of the display. —The first decoding group 30 is connected to the address of the character display memory 10 through an address multiplexer X (ADDRESS PORT). That is, the output end of the first decoding group 30 is connected to the address multiple The first input terminal X of the worker X, the second input terminal X2 of the address multiplexer X is connected to the address of a microprocessor (not shown in the figure), and M controls to store and display the desired code for sale Data storage address, another physical multiplexer is connected to the DATA PORT of the display word memory 10 and the high address of the address bank 2 of the display font memory Η (as shown in the figure) (3)) • Select the relative font data in the display font memory 20 and point to the starting address of the dot matrix font data storage. For example, take the ASCII code 44h of "4" as an example. The starting address shown in Figure 3 is the $ 220 address, and the data input terminal Y1 of the data multiplexer γ is connected to a data pond such as a microprocessor (not shown in the figure). Enter the desired word code through the data multiplexer Y, and enter the address of the display word memory 10 according to the address multiplexer X__. This character code is captured into the solid shaking of the display memory word! _ 〇 relative address. The above-mentioned first decoding group 30 includes a first-forward decoder 31 and a first degree decoder 32. Among them, the input control terminals of the first to forward decoder 31 and the first reverse decoder 32 are selected. The word code control signal lines a and A respectively represent the address control signals for the forward display position and the reverse display position of the character code, and the first-forward decoder 31 or the first reverse decoder 32 can be voiced, respectively. Display the order of the code treasures in reverse or reverse direction, that is, control the display font _________ 2 6-(CNS) Α4ϊ.ϊ ^ (-1〇 × ^ 97λ >, 5) "I-丨; n ^; Order. After. ~ \ ί Remarks Read the notes on the back before filling out this page) Printed by the Consumer Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs A7 B7 5. The display position of the invention description () is the first forward decoding The output terminals of the decoder 31 and the first inverse decoder 32 are respectively connected to the first input terminal XI of the address multiplexer X, and the input word 謓 is used to obtain the address of the display word memory 10 増 (ADDR ESS PORT), Μ according to the code control signal of the forward display position or the reverse display position, so that the display word is memorized The output end of the body 10, that is, the data port (DATA PORT) sends the character code relative to the forward display position or the reverse display position. Please take the reference signal B of the sequence and dot matrix font storage starting address, and input it into the display font. The memory 20 is used for selecting the font data and pointing the starting address of the read data. Figure 2 and Figure 6 are the forward and reverse display states in contrast to each other, and Figure 2 is the forward direction. During display, the display code memory 10 takes the order of the code data, and the order is "1234". In order to make the display font memory 20 sequentially select the relative dot matrix fonts; conversely, the one shown in FIG. 6 is the reverse order of the display font memory 10, which reads the address sequence of the font data, That is, the font memory 20 is displayed in the order of "4321", and the corresponding dot matrix font data is selected according to this address order. In addition, the second decoding group 40 includes a second forward decoder 41 and a second reverse decoder 42, and the input control end is connected to the font literacy control signal lines C and C ', respectively. The sweeping cat control signal lines C and C 'respectively represent the display control signals of the forward and reverse display fonts, respectively, in which the work performed by the second forward decoder 41 and the second reverse decoder 42, That is, the dot matrix font data address acquisition order of the display fonts shown in Figures 4 and 5 is controlled, that is, the value of the low address L shown in the aforementioned Figure 3, that is, the second forward decoder 41 and The second reverse decoder 42 can be a count-up and count-down counter. For forward display, such as the display font data storage pointing address shown in Figure 3 above, the addresses are sequentially from $ 220 to $ 227. The dot matrix font data is incremented one by one; on the other hand, when displayed in reverse, as shown in Figure 7, the dot matrix font information is transferred from bottom to top in order from $ 227 to $ 220. II) ^ I "Ί; Order | Poverty (Please read the notes on the back before filling this page) -7- A 7 B7 V. Description of the invention ( In other words, it is the order of the upper and lower display of the control font, that is, the positive or upper, lower, zero degrees (forward display) or 180 degrees (reverse display) of the control font. Downward flip display control. The output terminals of the second forward decoder 41 and the second reverse decoder 42 output an up and down display signal D to the input terminal of the display font memory 20. The display font language has the low address L of the address of ADDRESS PORT (ADDRESS PORT), and the output end of the display font memory 20, that is, the data font (DATA PQR T), according to the display font memory. The reference signal B output from 10 and the low address L of the display font data reading address output from the second decoding group 40 enable the output terminal of the display font memory 20 to output the first stage display signal E, the first The stage display signal E is the data of each column of the subtype of the dot matrix (that is, the actual data of each address), and it is output in a serial manner. Printed by the Consumer Cooperatives of the Central Bureau of Standards of the Ministry of Economic Affairs --------: — &J; — 装. I (Please read the precautions on the back before filling this page) This is the third decoding group 50, including a third forward decoder 51 and a third reverse decoder 52, and the input terminal is connected to the output terminal of the hidden font 20 (that is, the data bank), which is to accept the The first stage display signal E is output, and the third forward decoder 51 and reverse decoder 52 are used to control the forward display or reverse display control of the font scan signal control lines C and C '. Figures 5 and 8 show the forward display and reverse display states. Among them, it is to control the reading order of the bit (BIT) data output of the dot matrix font for each column, so the third forward direction The decoder 51 and the third reverse decoder 52 are responsible for displaying the first stage display signal E as left, right zero degrees or 180 degrees forward or reverse left and right display control of the font data, that is, It is the left and right order of the dot matrix dot (DOT) that controls the dot font of the display font. After reading from 0 to BIT7, it corresponds to the auxiliary output B ΙΤ0 to B IT7; on the other hand, when the display is reversed, J [J is read from B IT7 to BI T0 and outputs ΒΓΓ0 to BIT7, in other words, it is in the control display The left and right display status of the font, which is to control the left and right zero degrees of the font (forward display.) Or one hundred and eighty degrees (reverse display). Zhonggg Jiaxinxin (CNS) Grid (2iOX; ^) The employee's consumer cooperative of the Central Standards Bureau of the Ministry of Economic Affairs printed A7 B7 V. Description of the invention () Head control, the third forward decoder 51 and the first The output terminal of the three reverse decoder 52 outputs a second stage display signal F to the LCD display, LED display or CRT (cathode ray tube) display device for forward or reverse display of the font and position. As a result, normal forward display or up, down, left, right font and 180-degree reverse display can be displayed. Please cooperate with the national nine, as shown in Fig.8. In the forward and reverse display device of the present invention, the lines of the first decoding group 30, the second decoding group 40 and the third decoding group 50 are implemented. For example, the disclosure of this circuit embodiment is only for convenience of explanation, and does not limit the scope of the present invention. Among them, the first decoding group 30 and the second decoding group 40 have been mentioned as one Up counting m C UP COUNTER) and down counting ten (DOWN COUNTER), the real state of the circuit is shown in Figure 8, the first decoding group 30 is a first counter 1 A , The first forward tri-state gate group 2 A and the first reverse tri-state gate group; the second decoding group 40 is a second counter 1B, the second forward tri-state gate group 2B, and the second reverse The three-state gate group 3B is formed, and the blue decoding group 50 is a third forward three-state gate group 1C and a third reverse three-state gate group 2C, and the third forward three-state gate group 1C and the first The three-reverse three-state alarm group 2C is connected into the forward and reverse cargo bus bus transmission states; in addition, the selected word control signal lines A and A 'are interlocked with electrical signals; M and, the font Cat signal line C and C 'is also electrically between the' tiger interlocked state of the gas channel §, or to confirm that the normal direction display step of displaying the respective operations as the sole anti-between. Please cooperate with FIG. 10 as shown in FIG. 10, which is the implementation process status of the present invention for 180 degrees reverse display, but the disclosure of this embodiment is not enough to limit the scope of the present invention.- Among them, The original forward display state is the first display frame 1D of _9, that is, the word "1234" is displayed on the upper right corner of the display or display device; and the second display frame 2D makes the original display " 123.4 "And other words, after the first decoding. Sister 30's reverse decoder 32 processing, the reference signal B output by the display word memory 10 output terminal to make _-9-_ in this application (CNS) (: 丨 ΰχΜ7mm1 --------_-- ^ packing ------------ order -------- beam--).-(Please read first Note on the back, please fill in this page again) Printed by the Consumers' Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs-A7 B7 V. Description of the invention () The displayed wording has become "4321" in reverse order and the display position has changed to the lower right corner, but this At this time, the display or display device does not change the display state; the other part of the third display frame 3D is the second display frame 2D After finishing the processing of the glyphs, the glyphs are turned up and down by 180 degrees. However, at this stage, the display still does not change any display information; and in the part of the fourth display frame 4D, the first The actual display of the three display frames 3D is displayed in the reverse direction by the reverse decoder 52 of the third decoding group 50, that is, the fonts in the third display frame 3D are left and right. The process of flipping in situ has completed the reverse display processing of the original "1234" font and code position. At this time, the information in the display frame 4D displays the output on the display or display device, so that it is located on the display or An observer at 180 degrees from the display device ’s position can also observe the same “1234” display as [], and achieve the purpose of the present invention that can be used for forward or reverse display operation. In addition, it can be obtained in the same way. In the above process of reverse display, the display word or. 顚 font is passed through the first decoding group 30, the second decoding group 40, and the third decoding group _50, the first reverse decoder 32, the second Processing path of the reverse decoder 42 and the third reverse decoder 52 If you want to display in the forward direction, the processing path will become the first forward decoder 31, the second forward decoder 4: 1, and the third forward decoder 51. Figure 1 ~ Figure 1 on M The positive and negative display device of the present invention can be achieved by using items such as a mobile computer, a consumer card computer, a computer, and a wrong key or adding a center-of-gravity switch in the key. Press the operation or tilt the front or back of the center of gravity of the item to perform forward or reverse display switching operation. Μ cooperate with Figure -f——shown, the method of forward and reverse display of the present invention, Figure- f——The displayed control flow can be stored in the CPU (through the processor) or memory (such as EPROM) of mobile computers, fanfare cards, brains, computers, and manuals, but also by the above Press and hold or press the center of gravity. ¾¾ scale is applicable to Chinese SS furniture soap (CNS) A4 ^ grid (210X 297 mm) I ^, 'pack; 1 order.-. / (Please read the precautions on the back first Refill this page) A7 B7 printed by the Consumer Cooperatives of the Central Bureau of Standards of the Ministry of Economic Affairs Switch the forward and backward tilt operation to switch the forward or reverse display operation. First, in the control J process shown in Figure 11, the step 100 is to first determine whether the current display state is forward or reverse Display, step 110 and step 120 are judged by reverse display and forward display respectively, that is, according to the current display state of step 100, by the above-mentioned pressing and pressing, or the center of gravity, and the front and back dump I operations, To determine whether the display status has changed. Step 130 is the operation steps of changing from forward display to reverse display or from reverse display to forward display. Among them, it is to read the dot matrix of the current display and selling materials. The font is actually moved to a preset work area, such as taking this matrix information from the display memory of the display or display device, and the work area can be RAM (random access memory). Step 130 is to flip the dot matrix fonts taken from the display memory or the decoder above to the top, bottom, left, and right, that is, to change the original display horizontal X and vertical Y positions. , Bottom., Left and right position changes, that is, the new horizontal axis coordinate X '= maximum horizontal axis coordinate MAX X-the original horizontal axis coordinate X; the new vertical axis coordinate Y' = maximum vertical axis coordinate MAXY-the original vertical axis coordinate Y ; And display the final dot matrix font on the final horizontal axis coordinate X '' and the final vertical axis coordinate Υ '' for the font flip 180 degree display processing, and this data will be sent again to Display device; Step 140 is to record the current latest display status. If it is forward display or reverse display, so in steps 100 to 140, it is the control flow for the forward or reverse display conversion of the display font. In step 200, it is judged from the above-mentioned font display processing control flow whether to update or increase the display of individual characters (WORD), for example: enter correction or increase numbers, that is, the individual updated characters display the goods. The display of the material is changed. If you do not update or add any character data at this time, if you want to express the original forward or reverse display status, you will directly return to the beginning -11-. ^;-'^ 衣 一一 (Please (Please read the notes on the back before filling this page) Seal A7 _B7_ of the Consumer Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs 5. The processing status of the invention description () (START); otherwise, if you update the display of individual character display data, Then continue to perform the update of step 210 or increase the judgment of the data display state, that is, if a forward display state is desired, directly display the display font on the horizontal axis X and vertical axis Y corresponding to the forward display, otherwise, if you want When displaying in the reverse direction, enter the step of calculating the new coordinates in step 220, that is, change the original display horizontal X and vertical Y positions up, down, left, and right, that is, the new horizontal axis X = Maximum horizontal axis coordinate MAX X-former horizontal axis coordinate X; new vertical axis coordinate Y '= maximum vertical axis coordinate MAXY-former vertical axis coordinate Υ; and then proceed to step 230 to display the final dot matrix font on the final horizontal axis Axis coordinate X ”and the final vertical axis coordinate Υ” to complete the updated display font and display position control flow from step 200 to step 230, so as to achieve the switching operation of the present invention which can be used for forward or reverse display . Please refer to FIG. 12 again. The one shown in FIG. 12 is a preferred application example of the present invention. The application item is a consumer credit card computer generally installed on the platform. However, the disclosure of this application example is only For the convenience of explanation, it is not enough to limit the scope of the present invention. Among them, the consumer swipe computer can be inserted into the credit card or 1C card by the front or back end (not in the scope of the present invention, so it is not detailed). It is worth mentioning that the device or method of forward or reverse display disclosed by the present invention in the above-mentioned figure-FIG. 12 can be directly applied to this consumer card computer to make the display or display As for the part of the device, the above-mentioned operation of pressing the calendar or tilting the front and back of the center of gravity switch enables the display device to display information in both directions of the operator and the consumer in the positive and negative directions, enabling the operator and the consumer All of them can obtain the correct and relatively positive display state, so that both the operator and the consumer can obtain a more convenient way of obtaining information, which is an invention of great industrial use value. To sum up, the present invention is a device and method for forward and reverse display that has not been seen before, especially the operation of switching between forward and reverse display. Display of items such as brains, computers, bracelets, etc. -12- Paper, paper, and scale standards are commonly used in the S country (CNS) Α4 »· ί grid (2Ι0_χ297) (please read the precautions on the back before filling this page) -------.--,-? Install ---.--- order > --I---in A7 B7 V. Description of the Invention () Device operation can be achieved using a display Or display device • Both can be used by operators and consumers to obtain the same and correct information display purpose and industrial utilization value, which have already met the legal requirements of invention patents, and filed applications in accordance with the law. To this end, I would like to ask your reviewing committee to examine it in detail and pray for the early granting of Huai's patents. ------;-·· ---- Installation 丨 '------ Order ---- ^ --- 嗲 · *' (Please read the notes on the back before filling this page) Printed by the Consumer Standards Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs ^ -13-