JPH08185265A - Touch panel controller - Google Patents

Touch panel controller

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Publication number
JPH08185265A
JPH08185265A JP32763494A JP32763494A JPH08185265A JP H08185265 A JPH08185265 A JP H08185265A JP 32763494 A JP32763494 A JP 32763494A JP 32763494 A JP32763494 A JP 32763494A JP H08185265 A JPH08185265 A JP H08185265A
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Japan
Prior art keywords
display
touch panel
data
display data
coordinates
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JP32763494A
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Japanese (ja)
Inventor
Akihiko Iura
Akio Murata
昭彦 井浦
明男 村田
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Fujitsu Ltd
富士通株式会社
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Priority to JP32763494A priority Critical patent/JPH08185265A/en
Publication of JPH08185265A publication Critical patent/JPH08185265A/en
Application status is Pending legal-status Critical

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Abstract

PURPOSE: To make possible accurate touch panel input within a narrow range with a finger. CONSTITUTION: The touch panel controller is equipped with a display part 1, a touch panel 2, a coordinate detection part 3 which detects indicated coordinates on a display screen on the basis of information from the touch panel 2, and an input processing part 4 which displays data at a display part 1 and inputs display data corresponding to detected coordinates or data corresponding to the display data; and the input processing part 4 enlarges and displays display data displayed within a specific range centering on the coordinates detected by the coordinate detection part 3 by touch panel depression, varies the coordinate range for specifying the display data according to the enlargement of the display data, and retrieves and inputs display data corresponding to next coordinates detected at the time of this enlargement display on the basis of the coordinate range.

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【産業上の利用分野】本発明は、タッチパネル制御装置の改良に関する。 The present invention relates to an improvement of the touch panel controller. 近年、携帯端末機が普及している。 In recent years, the mobile terminal has become widespread. この携帯端末機は小型化が要望される反面、画面の表示文字数を維持したいとか、増やしたいという要望がある。 The mobile terminal is the other hand the miniaturization is desired, Toka want to keep the number of characters displayed on the screen, there is a desire to increase.

【0002】表示文字数は、画面のドットピッチを小さくすることにより多くの文字を表示することが可能であるが、この画面にタッチパネルを取付け、指でタッチすることにより、その表示文字、または対応するデータを入力するタッチパネル入力方式の場合は、その文字に対する有効範囲が狭くなり、正確な場所を押すことができなくなる。 [0002] Display characters is is possible to display many characters by reducing the dot pitch of the screen, attach the touch panel to the screen by touching with a finger, the display character, or the corresponding If a touch panel input method for inputting data, the effective range is narrowed for the characters, it is impossible to press the exact location.

【0003】このため、タッチパネルにおいて、狭い範囲のタッチパネル入力を正確に行えるタッチパネル制御装置が求められている。 [0003] Therefore, in the touch panel, the touch panel control device capable accurately touch panel input narrow range is demanded.

【0004】 [0004]

【従来の技術及び発明が解決しようとする課題】図4は従来例の説明図である。 4 BACKGROUND OF INVENTION Problems to be Solved] is an explanatory view of a conventional example. 図4は、例えば在庫数を入力する携帯端末機10の入力表示例を示したもので、タッチパネル付き表示器11に取扱い商品名の表示画面を表示し、 4, for example, shows a input display example of the mobile terminal 10 to enter inventory, to display the display screen handling trade name touch panel display unit 11,
表示画面上の商品名を指でタッチすることにより、その商品名が入力される。 By touching the product name on the display screen with a finger, the product name is entered.

【0005】続いて、例えばテンキーが表示されるので、表示された数字を指でタッチすることにより在庫数が入力される。 [0005] Then, for example, because the numeric keypad is displayed, the number of inventory is entered by touching the number displayed in the finger. 携帯端末機10は小型化が要望されるので表示画面も小面積となって、1画面内に収容できる商品名に限界が生じる。 Mobile terminal 10 is a small area or display screen because miniaturization is desired, limit occurs trade name that can be accommodated in one screen.

【0006】これを解決するため、ドットピッチを小さくして表示文字の大きさを小さくするとか、表示画面数を増やす等の方法があるが、前者の方法では、1表示文字に対する有効面積が狭くなり、指でタッチパネルを触れると必要な部分まで指が触れてしまい、正確な入力を行うことができないため、より狭い範囲を指定できるよう、ペンでタッチしなければならない。 [0006] To solve this, Toka to reduce the display size of the characters by reducing the dot pitch, there is a method such as increasing the number of display screens, in the former method, narrow effective area for one display character It becomes, since the finger until the required portion touches the touch panel with a finger will touch, it is impossible to make accurate input, so that you can specify a narrower range, must be touched with the pen. このペンでタッチする方法は、タッチパネルとして抵抗フィルムを使用する場合は、ペンが端末機10と線で接続されていないので紛失の恐れがあるから、このような種類のタッチパネルを用いる場合は特に指でタッチすることが要望されている。 How to touch in this pen, when using the resistor film as a touch panel, since there is a risk of loss because the pen is not connected with the terminal 10 and the line, especially when using such a type of touch panel finger in touching there is a need. また表示画面数を増やす後者の方法は頁を捲る操作が面倒であり、また目的とする商品名がどの画面にあるのか探すのに時間がかかるといった課題がある。 The latter way to increase the number of display screen the operation of turning the page is cumbersome, also there is a problem takes a long time to find whether the trade name for the purpose is in any screen.

【0007】本発明は、上記課題に鑑み、狭い範囲の入力項目を指で正確に入力できるタッチパネル制御装置を提供することを目的とする。 [0007] The present invention has been made in view of the above problems, and an object thereof is to provide a touch panel control device capable of accurately inputting an input item of a narrow range with a finger.

【0008】 [0008]

【課題を解決するための手段】上記課題を解決するため、本発明のタッチパネル制御装置は、 (1) 表示部と、タッチパネルと、タッチパネルからの情報に基づき指示された表示画面上の座標を検出する座標検出部と、表示部にデータを表示し、前記検出された座標から対応する表示データ、もしくはその表示データに対応するデータを入力する入力処理部4とを備えたタッチパネル制御装置であって、入力処理部は、タッチパネル押下により座標検出部で検出された座標を中心とした所定範囲に表示されている表示データを拡大表示するとともに、その表示データを指定する座標範囲を該表示データの拡大に応じて変更し、この拡大表示時に検出された次の座標に対応した表示データを前記座標範囲に基づき検索して入力するものであるよう Means for Solving the Problems] To solve the above problems, the touch panel control device of the present invention, (1) display unit and the touch panel and, detecting the indicated coordinates on the display screen based on the information from the touch panel a coordinate detection unit that displays the data on the display unit, the corresponding display data from the detected coordinates, or a touch panel control device including an input unit 4 for inputting data corresponding to the display data the input processing unit is configured to enlarge the display data displayed in a predetermined range around the detected coordinate by the coordinate detection unit by the touch panel pressed, a larger range of coordinates to specify the display data of the display data changed in accordance with, as the display data corresponding to the next coordinates detected during the enlarged display is to enter by searching on the basis of the coordinate range 構成する。 To configure. (2) 上記(1) において、シフトキーを設け、シフトキー押下に対応して拡大表示されたデータを左右上下にシフトして、拡大表示により表示画面から除外されたデータを表示するように構成する。 In (2) above (1), provided with a shift key, the data is enlarged in correspondence with the shift key pressed to shift horizontally and vertically, configured to display the data excluded from the display screen by the enlargement display.

【0009】 [0009]

【作用】 [Action]

(1) 以下、図1の本発明の具体的説明図により作用を説明する。 (1) will be described below act by specific illustration of the present invention in FIG. 先ず、タッチパネル上、入力したいデータを指でタッチする。 First of all, to touch on the touch panel, the data you want to enter a finger. このタッチした座標が座標検出部3により検出されると、入力処理部4は、その座標の近傍の表示データを拡大表示し、拡大された表示データに対応してタッチパネル2の有効面を拡大する。 When the touched coordinate is detected by the coordinate detection unit 3, the input processing unit 4, to enlarge the display data in the vicinity of the coordinates, corresponding to the enlarged display data to expand the effective surface of the touch panel 2 .

【0010】ここで、再び拡大表示された表示データを画面上指でタッチすることにより、正確に表示データを指示することができ、入力処理部4はその座標に対応した表示データをその表示データを指定する座標範囲から検索し、入力する。 [0010] Here, by touching the display data is enlarged again screen the finger, it is possible to instruct the accurate display data, input processing unit 4 is the display data display data corresponding to the coordinates retrieved from the coordinate range that you specify, and inputs.

【0011】以上のごとく、2度タッチすることにより、所望のデータを正確に入力することが可能となり、 [0011] As described above, by twice touching, it is possible to accurately enter the desired data,
携帯端末機がさらに小型化されてタッチパネル2の有効面積が小さくなっても、指によるタッチでも正確に入力することが可能となる。 Even portable terminal further being miniaturized smaller effective area of ​​the touch panel 2, it is possible to also accurately input a touch with a finger. (2) なお、1 回目のタッチで目標とするデータからはずれた場合、シフトキーによりシフトすれば、目標のデータがシフトして表示されるようになり、1 回目のタッチ箇所をそれ程厳密にする必要がなくなって操作性が向上する。 (2) In the case where out from the data to be targeted at first touch, if shifted by shift key, now the target data is displayed shifted, necessary to very strictly first touch point is gone operability can be improved.

【0012】 [0012]

【実施例】図2は一実施例の構成図、図3は処理フローチャート図である。 DETAILED DESCRIPTION FIG. 2 is a configuration diagram of an embodiment, FIG. 3 is a processing flowchart. 図2は、タッチパネルとして抵抗フィルムを使用した例を示す。 Figure 2 shows an example of using the resistor film as a touch panel. また、シフトキーによって拡大表示された文字がシフトできる例を示す。 Further, an example in which characters are enlarged by shift key can be shifted. 図2において、22は画面メモリで、複数種別の画面データが格納されている。 2, 22 is the screen memory, screen data of a plurality of types are stored. 例えば、図1の表示画面に示すような画面データ,テンキー,操作案内等である。 For example, the screen data shown in the display screen of FIG. 1, a numeric keypad, an operation guidance and the like. その各々のデータは、図1の左側表示画面に示すように画面全体のデータが格納されており、罫線枠、文字コード等が桁, 行単位で表示アドレスが定義されている。 Data of each of which is stored data of the entire screen as shown in the left side display screen in FIG. 1, line border, character codes, etc. digits, the display address is defined by row. また、各々の文字コードに対して、その文字が表示された場合の指示領域(フィールド)がタッチパネル(または表示画面)上のXY座標値で定義されている。 Also, for each character code, the instruction area when the character is displayed (field) is defined in the XY coordinates on the touch panel (or display screen). 即ち、罫線枠を示す座標値、例えば、罫線枠の左上および右下の座標が格納されており、タッチされた座標がこの枠内であれば、その文字コードが指定されたと判定される。 In other words, coordinate values ​​indicating the border frame, for example, the upper left and lower right coordinates of the ruled line frame is stored, touched coordinates is within the frame, it is determined that the character code has been specified.

【0013】23は入力処理部で、後述するように、2度タッチによる入力処理を行う。 [0013] 23 denotes an input processing unit, as will be described later, it performs input processing by twice touching. 24は拡大画面メモリで、 24 is an enlarged screen memory,
拡大表示時の枠, 文字コード, 拡大倍率, フィールド情報等が入力処理部23により設定されて格納される。 Enlarge upon the frame, the character code, the magnification, field information, and the like are stored is set by the input processing unit 23.

【0014】26は座標検出部で、タッチパネル29, アナログディジタル変換器ADC28,制御部27等より構成され、指でタッチした座標を検出する。 [0014] 26 in the coordinate detection unit, a touch panel 29, an analog digital converter ADC 28, is configured from the control unit 27 or the like, detects the coordinates touched by the finger. タッチパネル29 Touch panel 29
は、ここでは2枚の透明な抵抗フィルムA,Bで構成され、液晶表示部33に張り付けられている。 It is here two transparent resistive films A, consists of B, and affixed to the liquid crystal display unit 33. 抵抗フィルムA,Bには図示のごとく、それぞれ電極c,d、電極a,bがフィルムに蒸着されており、抵抗フィルムA, Resistance film A, as shown in B, and the electrode c, d, electrodes a, b are deposited on the film, the resistance film A,
Bはそれぞれある間隔を持ち、且つ電極が交叉するように配置される。 B has a gap in each and electrodes are disposed to intersect. いま、P点が押下され、抵抗フィルムA,Bがこの点で接触した場合、まず、抵抗フィルムB Now, P point is pressed, when the resistance films A, B are in contact at this point, first, the resistance film B
の電極a,b間に電圧を印加し、電極cに接続されたA A the electrode a, a voltage is applied between the b, connected to the electrode c
DC28の値を読み込む。 It reads the value of the DC28. 周知のごとく、この値からP点のx座標値を求めることができる。 As is known, it is possible to obtain the x-coordinate value of the point P from this value. 次に図示省略した切換手段により、電極cd間に電圧を印加し、電極bの出力をADC28で読み込むと、P点のy座標が得られる。 By then not shown the switching means, a voltage is applied between the electrodes cd, when reading the output of the electrode b in ADC 28, y coordinates of the point P is obtained.
このようにして、所定の分解能で得られたxy座標値が、入力処理部23によって読み取られる。 In this way, xy coordinate values ​​obtained at the predetermined resolution, read by the input processing unit 23.

【0015】31は表示制御部で、指定された画面データ中の各文字コードを文字発生ROM30を参照しつつ文字パターンに展開し、パターンメモリ32の所定アドレスに格納する。 [0015] 31 denotes a display control unit to expand the character pattern of each character code in the specified screen data with reference to the character generator ROM 30, stored in a predetermined address of the pattern memory 32. なお、拡大表示が指定された場合は、拡大処理部34にパターンの拡大処理を依頼し、得られた文字パターンをパターンメモリ32に格納する。 Incidentally, when the enlarged display is designated, to request the enlargement process of the pattern to the enlargement processing section 34, and stores the obtained character pattern in the pattern memory 32. そして、パターンメモリ32の内容を走査読みだして液晶表示器33に表示する。 Then displayed on the liquid crystal display 33 reads out scan the contents of the pattern memory 32.

【0016】33は液晶表示器で、図1に示したような入力データ(メニュー)、案内文等が表示される。 [0016] 33 in the liquid crystal display device, the input data (menu), as shown in FIG. 1, etc. guidance statement is displayed. 35はシフトキーで、機械的なキーであってもよく、また、表示画面に表示されるタッチキーであってもよい。 35 is a shift key may be a mechanical key, or may be a touch key displayed on the display screen.

【0017】21は中央処理ユニットCPUで、プログラム等で構成される上記各部を走行させ、端末機としての制御を司る。 [0017] 21 is a central processing unit CPU, to travel the various parts composed of a program or the like, controls the as terminal. なお、各部は、アドレスバス, データバス等で構成されるバス100 で接続される。 Each unit includes an address bus, are connected by a bus 100 constituted by a data bus or the like.

【0018】拡大表示は、ここでは縦,横2倍とし、図1の右側表示画面のように、枠表示は固定とする。 The enlarged display is now to vertical, horizontal doubled, as in the right display screen of FIG. 1, the frame display is fixed. そして、1回目のタッチ座標に対応する表示データ(ここでは1回目に「乾燥」がタッチされた場合を例示)を中央の領域Mに拡大表示し、その上下はフル表示、左右,右上下,左上下はその一部を表示する。 The first (here "dry" is illustrated when it is touched for the first time) the display data corresponding to the touch coordinates to enlarge the central region M, the upper and lower full view, right and left, right top and bottom, the upper left under displays a part of. この一部表示で、 In this part of the display,
隣接する表示文字が推量でき、シフト方向が容易に決定できる。 You can guess the display character adjacent shift direction can be easily determined.

【0019】また、シフトは枠単位でシフトするものとする。 [0019] In addition, the shift is intended to shift the frame unit. 例えば、上方向のシフトキーを押すと、図1では「照明」が領域Mに表示され、その下方の「レンジ」が「照明」のところに表示される。 For example, pressing the shift key upward, in Figure 1 "illumination" is displayed in the area M, "range" of its lower is displayed at the "illumination". 左右方向も同様である。 The left and right direction is the same.

【0020】この制御は、入力処理部4が拡大画面メモリ24の内容を書き換えることによって達成される。 [0020] The control input processing unit 4 is achieved by rewriting the contents of the zoom window memory 24. 以上の構成によって、以下のような操作および動作が行われる。 With the above arrangement, the following operation and operation is performed. 図3参照(1) 例えば初期画面を指定することによって、表示制御部31は、画面メモリ22のうちの指定画面データを読み込み、各文字コードを文字パターンに展開してパターンメモリ32に格納する。 By specifying refer to FIG. 3 (1) For example the initial screen, the display control unit 31 reads the designation screen data of the screen memory 22, and stored in the pattern memory 32 to expand each character code to a character pattern. これにより、図1 As a result, as shown in FIG. 1
の左画面のような入力データ(メニュー)が表示される。 Input data, such as on the left side of the screen (menu) is displayed. (2) 操作者は、表示画面上(タッチパネル上)入力したいデータの場所を押下する。 (2) the operator presses the location of the data you want to display on the screen (on the touch panel) input. 即ち、タッチパネル29を押下する。 In other words, the user presses the touch panel 29. (3) この押下によって、タッチパネル29の抵抗フィルムA,Bの1点が接触し、その座標が検出される。 (3) This pressed, the resistance films A, 1 point B is in contact on the touch panel 29, the coordinates are detected. (4) 入力処理部23は、この座標を読み取り、画面メモリ (4) Input processing unit 23 reads the coordinates, screen memory
22中の画面データを参照し、前述したフィールドの座標と比較して該当するフィールドを検出する。 From the screen data in the 22, to detect the field in question compared with the coordinates of the fields mentioned above.

【0021】このフィールドを図1に示す領域Mに対応させ、拡張表示用の画面データを作成して拡大画面メモリ24に格納する。 [0021] in correspondence to the region M indicating the field 1 is stored in the expansion screen memory 24 to create screen data for extended display. なお、枠表示が固定の場合は、予め設定した枠パターンデータを格納すればよい。 In the case frame display is fixed, it may be stored the frame pattern data set in advance. この画面データとしては、それぞれ、表示位置, 文字コード, 拡大倍率の他、表示枠領域を表す新たなフィールド座標が格納される。 As the screen data, respectively, display position, character codes, other magnification, a new field coordinates representing the display frame area is stored. (5) この作成が完了すると、表示制御部31は、拡大画面メモリ24の内容を読み取り、パターンメモリ32の内容を更新する。 (5) If this creation is complete, the display control unit 31 reads the contents of the zoom window memory 24, and updates the contents of the pattern memory 32. この結果、液晶表示器33には、図 1の右側表示画面に示すような、1 回目にタッチした座標の近傍の入力データが拡大表示される。 As a result, the liquid crystal display 33, as shown in the right side display screen in FIG. 1, the input data in the vicinity of the coordinates of touches the first is enlarged and displayed. (6) 続いて操作者は、タッチパネル29を押下する。 (6) Then the operator presses the touch panel 29. (7) 押下された座標が検出される。 (7) pressed coordinates can be detected. (8) 入力処理部23は、検出された新たな座標データを用い、拡大画面メモリ24中の画面データと比較して、その座標に対応する文字コードを識別して入力データとして確定する。 (8) input processing unit 23, using the detected new coordinate data, compared to the screen data in the expansion screen memory 24, determined as the input data to identify the character code corresponding to the coordinates.

【0022】以上のごとく、1回目の座標は不正確なものとして拡大画面を作成し、2回目は正しく押下されたとして入力データを確定するため、表示エリアが小さくても、2回目のときは表示エリアが大きくなるので正確にタッチさせ、入力させることができ、同時にオペレータも入力確認が容易となる。 [0022] As described above, the first coordinate to create a larger screen as inaccurate, since the second time to confirm the input data as is pressed correctly, even with a small display area, when the second precisely to the touch because the display area increases, it is possible to input, the operator also becomes easy input simultaneously confirmed.

【0023】なお、拡大表示したときは、空欄、例えば図1で示すと領域Nにシフトキーを表示する。 [0023] Incidentally, when the enlarged display is blank, and displays the shift key area N if shown in Figure 1, for example. 操作者は、1回目のタッチで目的のデータが拡大表示されないときは、このシフトキーを押下して表示される項目を移動させる。 The operator may, when desired data by the first touch is no enlarged, moving the items displayed by pressing the shift key. 例えば、「ワープロ」を入力したいときは、 For example, if you want to enter the "word processor" is,
シフトキー「←」を押下すると、「ワープロ」が左シフトして表示されるので、その表示一を指でタッチする。 Pressing the shift key "←", because the "word processor" is displayed in the left shift, to touch the display one finger.
このように1回目のタッチ位置が大きくずれて表示されなくとも、シフトキー35によりシフトさせることができ、操作が不能になることはない。 Even thus not appear first touch position is largely shifted, can be shifted by the shift key 35, never becomes impossible to operate.

【0024】以上の説明のタッチパネル29として抵抗フィルムを使用したものを示したが、タッチパネルの種類には複数種類あり、抵抗フィルムに限るものではないことは勿論である。 [0024] showed that using a resistor film as a touch panel 29 of the above description, there are multiple types of the type of touch panel, it is not limited to the resistor film is a matter of course.

【0025】また、拡大表示の仕方は、図1に示すものに限るものではないことは勿論である。 Further, the way of the enlarged display is of course not limited to those shown in FIG.

【0026】 [0026]

【発明の効果】以上説明したように、本発明は、1回タッチパネルを押下することにより、拡大表示され、且つ対応してタッチエリアが拡大されるので、2回目では正確にタッチさせることができ、表示文字が小さい場合でも、指でタッチして入力させることができる。 As described above, according to the present invention, by pressing once the touch panel, is enlarged, and therefore correspondingly touch area is enlarged, it can be accurately touched by second , even if the displayed character is small, it can be input by touching them with your finger. また、指でタッチしない場合でも、分解能の悪いタッチパネルを使用する場合に、本方法を使用すると正確にタッチさせることができ、安価なタッチパネルによる入力装置を提供できる効果を奏する。 Also, even if you do not touch with a finger when using poor touch resolution, using the present method can be accurately be touched, an effect capable of providing an input device by an inexpensive touch panel.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】 本発明の具体的説明図 Specifically illustration of the present invention; FIG

【図2】 一実施例の構成図 Figure 2 is a configuration diagram of an embodiment

【図3】 処理フローチャート図 FIG. 3 is a processing flow chart

【図4】 従来例の説明図 Figure 4 is an explanatory diagram of a prior art

【符号の説明】 DESCRIPTION OF SYMBOLS

1 表示部 2 タッチパネル 3 座標検出部 4 入力処理部 10 携帯端末機 11 タッチパネル付き表示器 21 中央処理ユニットCPU 22 画面メモリ 23 入力処理部 24 拡大画面メモリ 26 座標検出部 27 制御部 28 アナログディジタル変換器ADC 29 タッチパネル 30 文字発生ROM 31 表示制御部 32 パターンメモリ 33 液晶表示器 34 拡大処理部 35 シフトキー 100 バス 1 display unit 2 panel 3 coordinate detection unit 4 input processing unit 10 portable terminal 11 with a touch panel display 21 the central processing unit CPU 22 screen memory 23 input processing unit 24 enlarged screen memory 26 the coordinate detecting section 27 control section 28 analog-digital converters ADC 29 touch panel 30 character generator ROM 31 display control unit 32 pattern memory 33 liquid crystal display 34 enlargement processing section 35 shift key 100 bus

Claims (2)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 表示部と、タッチパネルと、該タッチパネルからの情報に基づき指示された表示画面上の座標を検出する座標検出部と、該表示部にデータを表示し、 And 1. A display unit, and displays a touch panel, and a coordinate detection unit that detects the coordinates on the display screen is instructed based on the information from the touch panel, the data on the display unit,
    前記検出された座標から対応する表示データ、もしくは該表示データに対応するデータを入力する入力処理部とを備えたタッチパネル制御装置であって、 該入力処理部は、タッチパネル押下により前記座標検出部で検出された座標を中心とした所定範囲に表示されている表示データを拡大表示するとともに、該表示データを指定する座標範囲を該表示データの拡大に応じて変更し、この拡大表示時に検出された次の座標に対応した表示データを前記座標範囲に基づき検索して入力するものであることを特徴とするタッチパネル制御装置。 A touch panel control device including an input unit for inputting display data or data corresponding to the display data, corresponding from the detected coordinates, the input processing unit, in the coordinate detection unit by the touch panel pressed as well as enlarge the display data displayed in a predetermined range around the detected coordinates, the coordinate range to specify the display data changed according to the enlargement of the display data, which is detected during the enlarged display the touch panel control unit, characterized in that the display data corresponding to the next coordinate is to enter by searching on the basis of the coordinate range.
  2. 【請求項2】 前記タッチパネル制御装置は、拡大表示された表示データをシフトするためのシフトキーを備え、シフトキー押下に対応して拡大表示されたデータを左右上下にシフトして、前記拡大表示により表示画面から除外されたデータを表示するように構成してなることを特徴とする請求項1記載のタッチパネル制御装置。 Wherein said touch panel control device includes a shift key for shifting the display data is enlarged, the data is enlarged in correspondence with the shift key pressed to shift horizontally and vertically, displayed by the enlarged display the touch panel controller according to claim 1, characterized by being configured to display data that were excluded from the screen.
JP32763494A 1994-12-28 1994-12-28 Touch panel controller Pending JPH08185265A (en)

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