JPH08249122A - Display device - Google Patents

Abstract

PURPOSE: To provide a display device capable of clearly distinguishing a key inputted to a software keyboard from other keys. CONSTITUTION: A character recognizing device 12 and a portable terminal equipment 11 are provided with a character input means 3 for inputting characters, a display means 4 for displaying various graphics and characters, a keyboard means 13 for applying a keyboard function to a software keyboard displayed as a graphic, and a control means 6 for controlling the whole of respective means. The means 13 continues the enlarged display of a key inputted immediately before the display until a succeeding input is executed within prescribed time, and at the time of executing the succeeding input or after the lapse of the prescribed time, the enlarged display is canceled and swiched to normal display.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device used for a character recognition device or the like for recognizing characters input from a software keyboard.

[0002]

2. Description of the Related Art In recent years, various portable terminal devices such as electronic notebooks and pocket computers have become widespread. And
In order to pursue miniaturization and weight reduction, these portable terminal devices adopt keyboard means for displaying a software keyboard on the screen instead of the bulky conventional keyboard, and touch the keys of the software keyboard on the screen. Is equipped with a character recognition device for inputting.

The character recognition device and the mobile terminal device will be described below. Since the mobile terminal device is equipped with the character recognition device, the description of the mobile terminal device also serves as the description of the character recognition device.

FIG. 5 is a block diagram showing the configuration of a conventional portable terminal device. In FIG. 5, the mobile terminal device 1 is composed of a character recognition device 2 and peripheral devices and the like, and the character recognition device 2 which is the main part of the mobile terminal device 1 includes a character input means 3, a display means 4, a keyboard means 5 and a control means. 6 and is provided with a reading unit 7, a voice output unit 8 and the like as peripheral devices.

The character input means 3 is composed of a transparent recognition board, and functions as a pointing device when its surface is pressed by an input pen. The character input means 3 as the pointing device is attached to the surface of the display means 4 composed of an LCD (liquid crystal display) or the like, and is used in a state integrated with the display means 4. Therefore, what is displayed on the display unit 4 can be seen through the character input unit 3, and it can be seen as if the display unit 4 itself functions as a pointing device. ROM
The keyboard means 5 composed of a ROM card or a ROM card is a software keyboard 9 displayed as a graphic on the display means 4.
(See FIG. 6) is provided with a keyboard display means 5a for giving a keyboard function, and a reverse display means 5b for reversely displaying the input keys. By inputting from the transparent character input means 3, a normal keyboard is provided. You can enter characters like. The control means 6 includes a CPU (central processing unit), a ROM (read only memory), and an R.
AM (random access memory), speech synthesis LSI
Etc., and is responsible for overall control of each means.

Among the peripheral devices, the reading means 7 is an OCR
(Optical character reading device) and the like, and is used to save the trouble of character input from the character input means 3 and to read a necessary image. The voice output means 8 is composed of a speaker or the like, and the content displayed on the display means 4 can be converted into voice by the voice synthesis LSI of the control means 6 as necessary and output as voice.

The keyboard function performed by the keyboard means will be described in detail below. 6 to 7 are schematic diagrams showing a keyboard function of a conventional mobile terminal device. As shown in FIG. 6, the software keyboard 9 displayed on the display means 4 by the keyboard display means 5a of the keyboard means 5 has various keys arranged like a real keyboard. Since the size of each key of the software keyboard 9 is too small to be input with a finger, the input pen 10 is usually used to press the key to input. For example, FIG.
Of the keys displayed as standard, enter key 9
When the "E" key is pressed as a, as shown in FIG. 7, the keyboard means 5 activates the reverse display means 5b, and the input key 9a is reversely displayed (enclosed by a double frame in the figure) to display " Emphasize that "E" is the entered key.

[0008]

However, in the conventional portable terminal device as described above, the input key 9a, which is the key input by the software keyboard 9, is highlighted so that the input key and other The distinction from the key becomes clear. However, since the individual keys themselves are originally small, there is a problem that it is still difficult to determine which character the input key 9a is.

An object of the present invention is to solve the above problems and to provide a display device capable of clearly distinguishing a key entered by a software keyboard from other keys.

[0010]

In order to solve the above problems, the display device of the present invention is a character input means for inputting characters, a display means for displaying various figures and characters, and software displayed as figures. The wear keyboard is provided with a keyboard means for giving a keyboard function and a control means for overall control of each means, and the keyboard means displays an enlarged display of the input keys within a predetermined time until the next input is performed. Continue and input the next input or after a lapse of a predetermined time, cancel the enlarged display and switch to the standard display.

[0011]

With this configuration, the input key of the software keyboard is enlarged so that the characters of the key are easy to see and conspicuous, so that it can be clearly distinguished from other keys in the standard display.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. Since a character recognizing device is mounted on a mobile terminal device, the character recognizing device will be described with a description of the mobile terminal device as in the conventional example. Will also serve as the explanation. The same parts as those in the conventional example are designated by the same reference numerals.

FIG. 1 is a block diagram showing the configuration of a portable terminal device having a display device according to an embodiment of the present invention.
In FIG. 1, a mobile terminal device 11 is composed of a character recognition device 12 and peripheral devices. The character recognition device 12 which is the main part of the mobile terminal device 11 includes a character input means 3, a display means 4, a keyboard means 13 and a control means. 6 and is provided with a reading unit 7, a voice output unit 8 and the like as peripheral devices.

In this embodiment, the keyboard means 13 is displayed on the screen of the display means 4, but it is shown separately in the drawing.

The character input means 3 is composed of a transparent recognition board, and functions as a pointing device when its surface is pressed by an input pen. The character input means 3 as the pointing device is attached to the surface of the display means 4 composed of an LCD (liquid crystal display) or the like, and is used in a state integrated with the display means 4. Therefore, what is displayed on the display unit 4 can be seen through the character input unit 3, and it can be seen as if the display unit 4 itself functions as a pointing device. ROM
The keyboard means 13 composed of a ROM card and a ROM card is a keyboard display means 13a for giving a keyboard function to the software keyboard 14 (see FIG. 2) displayed as a graphic on the display means 4, and an enlarged display for enlarging and displaying the input key. By means of the transparent character input means 3, which is provided with means 13b, it is possible to input characters like a normal keyboard. The control means 6 is C
It is composed of a PU (Central Processing Unit), a ROM (Read Only Memory), a RAM (Random Access Memory), a voice synthesis LSI and the like, and is responsible for overall control of each means.

Of the peripheral equipment, the reading means 7 is an OCR.
(Optical character reading device) and the like, and is used to save the trouble of character input from the character input means 3 and to read a necessary image. The voice output means 8 is composed of a speaker or the like, and the content displayed on the display means 4 can be converted into voice by the voice synthesis LSI of the control means 6 as necessary and output as voice.

The keyboard function performed by the keyboard means will be described in detail below. 2 to 3 are schematic diagrams showing a keyboard function of a mobile terminal device having a display device according to an embodiment of the present invention. As shown in FIG. 2, the software keyboard 14 displayed on the display means 4 by the keyboard display means 13a of the keyboard means 13 has various keys arranged like a real keyboard. Since the size of each key of the software keyboard 14 is too small to be input by a finger, the input pen 10 is usually used to press the key to perform input. For example, if the "E" key is pressed as the input key 14a among the keys displayed as standard as shown in FIG. 2, the keyboard means 13 activates the enlarged display means 13b as shown in FIG. The display key is switched to the enlarged display and the input key 14a is enlarged and displayed to emphasize that "E" is the input key. At this time, the magnifying display means 13b continues the magnified display of the key entered immediately before the next input is made, but when the next input is made, the magnified display is canceled and switched to the standard display. The key entered in is enlarged.

As another method, the enlarged display of the key entered immediately before is continued within a predetermined time (for example, within 5 seconds) until the next input is made, and the next input is performed within the predetermined time. Then, the enlarged display is canceled and switched to the standard display, and this time the newly input key is enlarged and displayed. After the lapse of a predetermined time, the enlarged display is canceled by switching to the standard display regardless of the presence or absence of the next input.

The series of flow described above is summarized in FIG.
The operation will be described with reference to the flowchart showing the operation of the character recognition device of the mobile terminal device having the display device according to the embodiment of the present invention.

When a new key input is made from the software keyboard 14 (step 1), the process branches depending on whether or not the key is currently being enlarged and displayed (step 2).

When there is an enlarged key, the enlarged display of the enlarged key is canceled and switched to the standard display (step 3), and the newly input key is enlarged (step 4). If there is no enlarged key, the process proceeds to step 4 and the newly input key is enlarged.

Next, the process branches depending on whether or not a new key input is made (step 5), and when there is a key input, the process returns to step 2. If there is no key input, the process branches depending on whether a predetermined time has passed (step 6). When the predetermined time has elapsed, the enlarged display of the enlarged key is canceled and switched to the standard display (step 7), and if it is within the predetermined time, the process returns to step 5.

In this way, the display device of the present invention and the portable terminal device using the display device clearly display the input key and other keys in the standard display by enlarging and displaying the newly input key. Since they can be distinguished, input mistakes due to erroneous input keys are eliminated.

[0024]

The display device of the present invention comprises a character input means for inputting characters, a display means for displaying various figures and characters,
The software keyboard displayed as a figure is provided with keyboard means for giving a keyboard function, and control means for overall control of each means, and the keyboard means displays the enlarged display of the key entered immediately before within a predetermined time. Is continued until the next input is made, or the enlarged display is canceled and the display is switched to the standard display after a predetermined time elapses.

With this configuration, the input key of the software keyboard is enlarged so that the characters of the key are easy to see and conspicuous, so that it can be clearly distinguished from other keys in the standard display.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a mobile terminal device having a display device according to an embodiment of the present invention.

FIG. 2 is a schematic diagram showing a keyboard function of a mobile terminal device having a display device according to an embodiment of the present invention.

FIG. 3 is a schematic diagram showing a keyboard function of a mobile terminal device having a display device according to an embodiment of the present invention.

FIG. 4 is a flowchart showing an operation of a character recognition device of a mobile terminal device having a display device according to an embodiment of the present invention.

FIG. 5 is a block diagram showing a configuration of a conventional mobile terminal device.

FIG. 6 is a schematic diagram showing a keyboard function of a conventional mobile terminal device.

FIG. 7 is a schematic diagram showing a keyboard function of a conventional mobile terminal device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 portable terminal device 2 character recognition device 3 character input means 4 display means 5 keyboard means 5a keyboard display means 5b inverted display means 6 control means 7 reading means 8 voice output means 9 software keyboard 9a input key 10 input pen 11 portable terminal equipment 12 Character Recognition Device 13 Keyboard Means 13a Keyboard Display Means 13b Enlarged Display Means 14 Software Keyboard 14a Input Keys

Claims (3)

[Claims] 1. A display means for displaying various inputted figures, characters, symbols, etc., a keyboard means provided on the display means and having various input keys, and an input from the keyboard means. When there is, a display device including control means for controlling the key so that the key is enlarged. 2. The keyboard means continues the enlarged display of the key input immediately before until the next input, and cancels the enlarged display and switches to the standard display when the next input is performed. The display device according to claim 1. 3. The keyboard means continues the enlarged display of the key input immediately before until the next input is made within a predetermined time, and displays the enlarged display after the next input is made or after the predetermined time has elapsed. The display device according to claim 1, wherein the display device is canceled and switched to the standard display.