JPH10187343A - Data inputting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make this device compact by easily inputting data such as characters without widening the size of a display screen. SOLUTION: Display screen data in which plural kinds of characters are arrayed like a matrix are stored in a display screen data memory 14. A display part 17 is provided with a screen data display area 17a in which one part of the display screen data can be displayed. A user selects the desired characters by a cursor while scrolling the display content of the screen data display area 17a. A controlling part 11 processes the selected characters as input data.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a data input device for inputting data such as characters, and more particularly to a data input device characterized by data input using a display screen.

[0002]

2. Description of the Related Art Conventionally, a keyboard is generally used as a data input device used in a data processing device such as a personal computer, and a user operates a plurality of keys provided on the keyboard to input data such as characters. You are typing.

However, in the case of a keyboard, at least about 30 keys, and in many cases 70 to 80 keys, and a space for arranging the keys are required. There is a problem that is not suitable.

[0004]

As described above, since a keyboard requires a plurality of keys, there is a space problem when applied to a portable device or the like.
Therefore, as a data input device that replaces the keyboard, the following devices have been recently brought up.

[0005] Liquid crystal touch pen input, handwriting input, mouse, trackball However, in any of the above, when inputting data, the user must hold the mouse pointer or pen tip on the display screen and input. Must. For this reason, a display having a certain size is required, which causes a problem that the size of the entire apparatus is increased and the cost is increased.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and does not require a large display screen size.
It is an object of the present invention to provide a data input device capable of easily inputting data such as characters and thereby reducing the size of the device.

[0007]

A data input device according to the present invention is capable of displaying a display screen data memory for storing display screen data in which a plurality of types of characters are arranged in a matrix, and capable of displaying a part of the display screen data. Display means for displaying a part of the display screen data read from the display screen data memory on the display screen, and a display screen for displaying the contents of the part of the display screen data displayed on the display means. Instructing means for instructing a change, control means for reading a part of the display screen data of the content corresponding to the instruction from the display screen data memory and displaying on the display means, and displayed on the display means Selecting means for selecting one character included in the partial display screen data; and processing the character selected by the selecting means as input data. Is obtained by including a processing means for.

According to such a configuration, a part (for example, four characters) of display screen data in which a plurality of types of characters are arranged in a matrix is displayed on the display screen. The user selects a desired character while scrolling the displayed content. The character selected on this display screen is processed as input data. As a result, data such as characters can be easily input without requiring a large display screen size.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing a configuration of a data input device according to one embodiment of the present invention. This device includes a control unit 11, a RAM 12, a key data table 1
3, a display screen data memory 14, a display font memory 15, an input operation unit 16, a display unit 17, and a display drive unit 18.

The control section 11 controls the entire apparatus, and is composed of, for example, a microprocessor, and performs a data input process as shown in FIG. RAM12
Has an input buffer 1 for storing the determined character.
2a is provided. Further, in the RAM 12, as shown in FIG. 3, the address of the character displayed in the first and fourth digits of the four-digit characters displayed on the display unit 17 as display screen data (key display data). And a cursor 21 in the display screen data.
Cursor pointer 1 indicating the address of the character selected by
2c is provided.

The key data table 13 is a table in which the address of each character of the display screen data is associated with a character code. The key data table 13 is used to generate a character code when a character in the display screen data is designated by the cursor 21.

The display screen data memory 14 stores display screen data (key display data) in which a plurality of types of characters (here, 50 kana characters) are arranged in a matrix as shown in FIG. In the present embodiment, the display screen data is displayed on the display unit 17 in a predetermined unit (here, in units of four characters) as shown in FIG. .

The display font memory 15 stores display font data. The display font memory 15 is used when displaying characters whose input has been confirmed.

The input operation unit 16 is used for performing data input operation, and includes a stick 16 as shown in FIG.
a and an enter key 16b. The stick 16a is used as an operation means for scroll-displaying the display screen data in the row direction and the column direction, and for moving a cursor between each character of the display screen data. The confirmation key 16b is
It is used as an operation means for confirming the character selected by the cursor 21 in the display screen data.

The display section 17 is a section for displaying data, and comprises, for example, an LCD (Liquid Crystal Display). The display unit 17 is provided with a screen data display area 17 as shown in FIG.
a and a fixed character display area 17b. The screen data display area 17a is a part for displaying the display screen data, and here has a size capable of displaying the display screen data for four characters as shown in FIG. Confirmed character display area 1
Reference numeral 7b denotes a portion for displaying a character selected and confirmed in the display screen data.

Next, a method of operating the apparatus will be described with reference to FIGS. FIG. 2 is a diagram showing an external configuration of the apparatus in the embodiment, FIG. 3 is a diagram showing scroll display and cursor movement in the embodiment, and FIG. 4 is a diagram showing contents of display screen data in the embodiment.

As shown in FIG. 2, the present apparatus is provided with an input operation unit 16 and a display unit 17. The display unit 17
Screen data display area 17a and fixed character display area 17
b in the screen data display area 1
7a, and the character selected and confirmed there is displayed in the confirmed character display area 17b.

In the screen data display area 17a, four types of display screen data (key display data) in which a plurality of types of characters (here, 50 kana characters) are arranged in a matrix as shown in FIG. Displayed in units.
The display contents are changed through a stick 16 a provided on the input operation unit 16. In this case, the stick 16a
Pressing in the vertical direction causes the display screen data to scroll in the row direction, and pressing the stick 16a in the left and right direction causes the display screen data to scroll in the column direction. However, scrolling in the column direction is performed for only one character, and thereafter, the cursor 21 is moved (here, four characters are used as a display unit).

That is, in the initial display, as shown in FIG. 3A, four characters "Aie" corresponding to the first line of the display screen data are displayed in the screen data display area 17a. At this time, the cursor 21 is at the position of the first digit.
In this state, when the stick 16a is pressed down once, FIG.
As shown in (b), the four characters "Kakikuke" on the next line are displayed (scroll display in the line direction).

Here, when the stick 16a is pushed rightward once, as shown in FIG. 3C, the character is shifted rightward by one character in the same line, and "Kikukeko" is displayed (column). Scrolling direction). In this state, when the stick 16a is further pushed rightward once, as shown in FIG.
1 moves rightward by one character, and is positioned at the second digit.

As described above, the display screen data is scroll-displayed while the stick 16a is operated in the vertical and horizontal directions, and when a desired character is displayed, the character is selected by the cursor 21. After the character is selected by the cursor 21, when the enter key 16b is pressed, the selected character is established and processed as input data. For example, FIG.
If the enter key 16b is pressed in the state of (d), the character of "ku" is displayed as an enter character in the enter character display area 17b.

Hereinafter, the operation of the data input processing according to the above-described operation will be described with reference to the flowchart shown in FIG. FIG. 5 is a flowchart for explaining the operation of the data input process in the embodiment. First, as an initial setting, the control unit 11 reads four characters (“aiue”) in the first line on the upper left of the 50 kana characters in the display screen data (key display data) stored in the display screen data memory 14. It is read out and displayed on the screen data display area 17a of the display unit 17 through the display drive unit 18 (step S1).
1).

In this case, in the screen data display area 17, the addresses of the character displayed in the first digit ("A") and the character displayed in the fourth digit ("E") are indicated by the display data pointer 12b. The address of the character selected by the cursor 21 is indicated by the cursor pointer 12c. In the initial display, the cursor 21 is set at the first digit (“A”).

Here, when the stick 16a provided on the input operation unit 16 is pressed once upward (step S).
12), the control unit 11 sets the display data pointer 1
The current display content is confirmed with reference to 2b. as a result,
If the data on the top row is not being displayed (No in step S13), the control unit 11 scrolls the display screen data up by one row (step S14). Specifically, data of four characters corresponding to the line immediately above the currently displayed line is read from the display screen data stored in the display screen data memory 14, and is displayed again in the screen data display area 17a. .

When the stick 16a is pressed down once (Yes in step S15), the control unit 11 refers to the display data pointer 12b to check the current display content, and checks the bottom line. If the data is not being displayed (No in step S16), the display screen data is scrolled down by one line (step S17). In particular,
Data of four characters corresponding to the line immediately below the currently displayed line is read from the display screen data stored in the display screen data memory 14 and is read out from the screen data display area 1.
7a is displayed again.

When the stick 16a is pressed once to the right (Yes in step S18), the controller 11 refers to the display data pointer 12b to check the current display contents. As a result, if the data in the fifth column is not being displayed (No in step S19), the control unit 11 scrolls the display screen data to the right by one line (step S20). Specifically, the data of the character on the same line corresponding to the column immediately to the right of the currently displayed column is read out from the display screen data stored in the display screen data memory 14, and is displayed again in the screen data display area 17a. I do.

On the other hand, when the data in the fifth column is being displayed when the stick 16a is pressed once to the right (Yes in step S19), the control unit 11 refers to the cursor pointer 12c to display the current data. The position of the cursor 21 is confirmed. As a result, if the cursor 21 is not positioned at the right end, that is, at the fourth digit (No in step S21), the control unit 11
Moves the cursor 21 one character to the right through the display drive unit 18 (step S22).

When the stick 16a is depressed once to the left (Yes in step S23), the control section 11 refers to the display data pointer 12b to confirm the current display contents, and checks the first column. Is not being displayed (No in step S24), the display screen data is scrolled to the left by one line (step S25). In particular,
The data of the character on the same line corresponding to the column immediately to the left of the currently displayed column is read out from the display screen data stored in the display screen data memory 14, and is displayed again in the screen data display area 17a.

On the other hand, if the data of the first column is being displayed when the stick 16a is pressed once to the right (Yes in step S24), the control unit 11 refers to the cursor pointer 12c to display the current data. The position of the cursor 21 is confirmed. As a result, if the cursor 21 is not positioned at the left end, that is, at the first digit (No in step S26), the control unit 11
Moves the cursor 21 one character to the left through the display drive unit 18 (step S27).

Here, when the enter key 16b is depressed (Yes in step S28), the control section 11 moves the address of the character selected by the cursor 21 in the currently displayed display screen data from the cursor pointer 12c. By making a determination, the code data of the selected character is obtained from the key data table 13 and stored as input data in the input buffer 12a of the RAM 12 (step S29). At this time, the control unit 11 reads out the font data corresponding to the input data, that is, the font data of the selected character from the font memory 15 for display, and displays it as a fixed character in the fixed character display area 17b (step S30).

As described above, in this apparatus, data input is performed by an operation of selecting a desired character while scrolling the display screen data for four characters. Therefore, in a data input method using a display screen, data can be input without requiring a large display screen size.

In the above embodiment, the case of inputting 50 kana characters has been described. However, the present invention is not limited to this case. Even when data other than kana characters such as English characters are input, it can be realized by the same method as described above.

[0033]

As described above, according to the present invention, a part of the display screen data in which a plurality of kinds of characters are arranged in a matrix is displayed on the display screen, and the desired character is scrolled while the displayed contents are scrolled. Since selection is made, data such as characters can be easily input without requiring a large display screen size. Thus, the size of the apparatus can be reduced, and the present apparatus can be applied to a portable terminal or the like. Further, there is an advantage that the cost can be reduced because the display area is small.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a data input device according to an embodiment of the present invention.

FIG. 2 is a diagram showing an external configuration of the apparatus according to the embodiment.

FIG. 3 is an exemplary view showing scroll display and cursor movement in the embodiment.

FIG. 4 is an exemplary view showing contents of display screen data in the embodiment.

FIG. 5 is an exemplary flowchart for explaining the operation of data input processing in the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 ... Control part 12 ... RAM 12a ... Input buffer 12b ... Display data pointer 12c ... Cursor pointer 13 ... Key data table 14 ... Display screen data memory 15 ... Display font memory 16 ... Input operation part 16a ... Stick 16b ... Confirmation key 17 display section 17a screen data display area 17b fixed character display area 18 display drive section 21 cursor

Claims (3)

[Claims] A display screen data memory for storing display screen data in which a plurality of types of characters are arranged in a matrix; and a display screen having a size capable of displaying a part of the display screen data. Display means for displaying a part of the display screen data read from the display screen data memory; instruction means for instructing a change in the content of the part of the display screen data displayed on the display means; Control means for reading a part of the display screen data of the content corresponding to the instruction from the display screen data memory and displaying the read display data on the display means; And a processing means for processing the character selected by the selection means as input data. That data input device. 2. The apparatus according to claim 1, wherein the instruction unit includes an operation unit for instructing the display unit to scroll and display the display screen data stored in the display screen data memory in a row direction and a column direction. Item 2. The data input device according to Item 1. 3. A cursor for pointing one of a plurality of characters included in the partial display screen data displayed on the display means, and a cursor between the plurality of characters. 3. The data input device according to claim 1, further comprising an operation means for moving.