JPH10333866A - Display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the operability and the readability of a display content in displaying picture information such as that of a facsimile equipment or the like at a display part. SOLUTION: The display device for reducing and displaying received picture information on an LCD 3 is provided with a touch panel 4 arranged on the upper face of the LCD, memory part 7 for storing the received picture information, input detecting part 6 which detects contact on the touch panel, controlling part 2 which reads picture information equivalent to the contact position of the touch panel from a memory part, and enlarges it, and display controlling part 5 which displays the enlarged picture information in a display area equivalent to the touch position of the LCD. When contact successively along line direction(horizontal direction) from the contact position on the touch panel is detected, the controlling part successively enlarges and displays each display picture information in the line direction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device for displaying characters and the like input by handwriting and displaying received image information.

[0002]

2. Description of the Related Art Some portable terminals have a handwriting input function. Such a mobile terminal displays these handwritten characters and images on the display unit when characters and images are input with an input pen. When the number of the partner terminal is input by button operation and the send button is pressed, the displayed handwritten characters and the like are transmitted to the partner mobile terminal via the center. In this case, the portable terminal that has received the handwritten character data displays the received data on the display unit.

Further, the portable terminal can communicate image information with a normal facsimile machine via a center. That is, handwritten characters and the like displayed on the screen can be transmitted to the other party's facsimile apparatus and recorded on recording paper. It is also possible to receive and display image information from the partner facsimile machine via the center.

[0004]

A portable terminal of this kind is:
Since the display area of the display unit is small, when displaying the image information corresponding to, for example, A4 size received from the other party's facsimile apparatus, only a part of the image information can be displayed. For this reason, the received image data is sequentially displayed on the display unit by operating each scroll key for scrolling the screen up, down, left and right, and the contents thereof are read. However, there is a problem that the scroll operation is troublesome. Further, when the display content of the display unit is, for example, a sentence, there is a problem that the sentence is difficult to read. Accordingly, an object of the present invention is to improve operability when displaying received data from a facsimile or the like on a display unit, and to improve readability of display contents.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a display device having a display unit for displaying received image information in a reduced size on the display unit. A touch panel for transmitting display image information on the display unit, a memory for storing received image information, a detecting means for detecting a touch on the touch panel, and a memory for storing image information corresponding to a touch position of the touch panel detected by the detecting means And display control means for displaying the image information enlarged by the control means in a display area corresponding to the contact position of the display unit. Therefore, when a predetermined position on the touch panel is touched with a pen or the like, the display image information of the display unit corresponding to the touched portion is enlarged and displayed. Further, setting means for setting the magnification of the image information is provided, and the control means enlarges the image information in accordance with the magnification of the setting means. In addition, the received image information is sequentially displayed on the display unit along the row direction, and when one line of image information is displayed, new image information is sequentially displayed along the row direction from the next line. When the touch panel sequentially detects a contact along the row direction from the contact position on the touch panel, the control means sequentially enlarges each display image information in the row direction and causes the display unit to display the information.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings. FIG. 1 is a block diagram illustrating a configuration of a display device according to the present invention. In FIG. 1, the display device includes a wireless unit 1 for transmitting and receiving character data and image data via an antenna AT, and a control unit 2 including a CPU and the like.
LCD 3, which is a display unit, a touch panel 4 that is disposed on the upper surface of the LCD 3 and is made of a transparent member that transmits display data displayed on the LCD 3, a display control unit 5 that controls display of the LCD 3, and a touch panel 4. Touch panel input detection unit (hereinafter, input detection unit) 6 that detects an input operation of the touch panel
A memory unit 7; an LED 8 for displaying a power-on state and an incoming state of the apparatus; an enlargement ratio setting means 9 including a switch for setting an enlargement ratio for enlarging display data on the LCD 3; And the battery 10
And a power supply unit 11 for inputting power and supplying the voltage V to each unit of the apparatus.

The display device is a portable terminal having a handwritten character input function. When a handwritten character or an image is input on the touch panel 4 by a pen (not shown), the input position of the pen on the touch panel 4 is sequentially input. The data is detected as coordinate data by the detection unit 6 and transmitted to the control unit 2. When inputting coordinate data indicating the input position of the pen, the control unit 2 sends display data to the display control unit 5 so that the position of the LCD 3 corresponding to the input position is displayed. As a result, a display according to the input locus of the pen is performed on the LCD 3.

Further, in this case, the control unit 2 stores each coordinate data corresponding to the input locus of the pen in the memory unit 7, and when a dial number (not shown) provided on the touch panel 4 inputs a partner number, A call is transmitted to the partner terminal via the wireless unit 1 and the antenna AT. When the transmission key (not shown) is operated by the partner terminal responding to the call, the control unit 2 transmits data such as handwritten characters in the memory unit 7 to the center (not shown) via the wireless unit 1 and the antenna AT. This causes the center to transmit to the partner terminal.

On the other hand, in a partner terminal having the same configuration as that of the device shown in FIG.
When this handwritten character data is received, it is stored in the memory unit 7. Then, the received data is sent to the display control unit 5 and L
Display on CD3. Further, the present display device can communicate image information with a normal facsimile device via a center. That is, handwritten characters and the like displayed on the screen can be transmitted to the other party's facsimile apparatus and recorded on recording paper. Also, image information from the partner facsimile machine via the center is received, and the
And the image information can be displayed on the LCD 3.

Here, when image information equivalent to A4 size is received from the other party's facsimile machine,
Then, image data corresponding to the horizontal size of A4 can be reduced and displayed. That is, FIG. 2 for selecting an LCD that can display one line of A4 size in a reduced size and displays a plurality of character lines in the vertical direction of the LCD when a plurality of lines are one character line, This shows an example of display of facsimile received image information on the LCD 3 as shown in FIG.
Each character corresponding to one line of A4 size can be reduced and displayed in the horizontal direction of CD3. Also, a plurality of lines of characters are reduced and displayed in the vertical direction of the LCD 3 in the figure.

By the way, LC smaller than the horizontal size of A4
When each character of one line of A4 size is reduced and displayed in the display area of D3, each character becomes small as shown in FIG.
Therefore, it cannot be read. For this reason, FIG.
As shown in (1), the portion of the touch panel 4 corresponding to the character position to be read is pressed by the pen 20. Then, pressing of the corresponding portion of the touch panel 4 is detected by the input detection unit 6 and output to the control unit 2 as coordinate data. In this case, the control unit 2 reads out the display data of the LCD 3 corresponding to the portion from the memory unit 7 and enlarges the display data according to the enlargement ratio of the enlargement ratio setting means 9 and sends the enlarged display data to the display control unit 5 to display the corresponding display. Display in the part. This allows
The small character display is enlarged and displayed so that it can be easily read.

Further, in this case, the control unit 2 is configured as shown in FIG.
As shown in (2), the character at the position currently depressed by the pen 20 is maximally enlarged and displayed, and the enlarging ratio is sequentially reduced for each character that is away from the maximum character position in the line direction with the maximum displayed character as the center. Such display enlargement control is performed. If the number of display dots is limited, such characters are enlarged and displayed using dots of characters in adjacent rows and columns. Are not displayed in the row and column adjacent to.

FIG. 3 is a flowchart of the control section 2 for performing the above-described display enlargement operation. That is, when image information of the partner facsimile device arrives from a center (not shown),
The control unit 2 fetches the image information via the antenna AT and the wireless unit 1 and sequentially stores the image information in the memory unit 7. When the storage of the received image information in the memory unit 7 is completed, the data of each line of the received image information is sequentially stored in the display control unit 5 from the top line.
To the display control unit 5 so as to display it on each line of the LCD 3 (step S1). As a result, the LCD
3 is displayed as shown in FIG.

Next, the control section 2 determines whether or not an input has been made on the touch panel 4 with the pen 20 (step S2). Here, when the control unit 3 detects that the input of the pen 20 to the touch panel 4 has been performed via the input detection unit 6, the control unit 3 changes the display portion of the LCD 3 corresponding to the touch portion of the touch panel 4 by the pen 20 to the lens effect. (Step S3). That is, the control unit 2
As described above, the display data of the LCD 3 corresponding to the touched portion is read out from the memory unit 7 and enlarged according to the enlargement ratio of the enlargement ratio setting means 9, and the enlarged display data is sent to the display control unit 5 and displayed on the corresponding display portion. Let it.

Next, the control unit 2 detects, via the input detection unit 6, whether or not the touched portion of the touch panel 4 by the pen 20 has moved left and right (ie, laterally) from the current position. A determination is made (step S4). If it is determined that the touched portion does not move left or right from the current position, the process proceeds to step S <b> 6, and it is determined whether the pen 20 has been released from the touch panel 4 via the input detection unit 6. Judge, touch pen 4 and pen 2
If 0 is not released, the process returns to step S3.

On the other hand, when it is detected that the touched portion of the touch panel 4 by the pen 20 has moved left or right from the current position, and if the determination in step S4 is "YES", the touched portion is adjusted to the moved touched portion. The display part is moved (step S5). That is, in this case, the control unit 2 reads out the display data corresponding to the moved touch portion from the memory unit 7. In step S6, it is confirmed that the pen 20 is not separated from the touch panel 4, and the process returns to step S3, where the display data read from the memory unit 7 is enlarged according to the enlargement ratio of the enlargement ratio setting means 9, and the enlarged display data is displayed. Is sent to the display controller 5 to be displayed on the corresponding display portion.

As described above, every time the pen 20 moves in the horizontal direction on the touch panel 4, the control unit 2 reads out display data corresponding to the moved portion from the memory unit 7, enlarges the display data, and displays it on the LCD 3. And finally the pen 20
Detects that the user has left the touch panel 4, and proceeds to step S
When the determination in Step 6 becomes “YES”, the display enlargement processing ends.

As described above, in the present display device, a portion where characters are reduced and cannot be read on the LCD 3 is enlarged and displayed by one-touch operation. In addition, by tracing each displayed character in the line direction (that is, the horizontal direction) with the pen 20, each character can be continuously enlarged and displayed, so that the text can be continuously enlarged and interpreted. Further, since the magnification of the display enlargement can be set in the enlargement ratio setting means 9, it is easy to change the magnification in accordance with the individual's visual acuity.

In this embodiment, the number of characters corresponding to the horizontal size of A4 can be displayed on the LCD 3, but it can be applied to the B5 size or B4 size depending on the setting. Further, the position of the touch panel 4 once traced in the horizontal direction by the pen 20 is stored, and the input locus is traced again by a predetermined operation, and each character on the input locus is sequentially enlarged and displayed at predetermined time intervals. It is also possible.

[0020]

As described above, according to the present invention, there is provided a display device provided with a display unit for reducing and displaying received image information on the display unit. , A memory for storing received image information, a detecting means for detecting contact with the touch panel, and image information corresponding to the touch position of the touch panel detected by the detecting means read from the memory and enlarged. Control means, and the image information enlarged by the control means,
Display control means for displaying in a display area corresponding to the contact position of the display unit, and when a predetermined position of the touch panel is touched with a pen or the like, display image information of the display unit corresponding to the contact portion is enlarged and displayed. Therefore, when image information such as facsimile is displayed on the display unit, it can be displayed without the need for scrolling the screen, so that operability is improved, and
Since the display on the display unit can be enlarged, the readability of the display content is improved. Also, a setting unit for setting the magnification of the image information is provided, and the image information is enlarged in accordance with the set magnification, so that the magnification can be set according to the individual's visual acuity. The display unit sequentially displays the received image information along the line direction, and when one line of image information is displayed, displays new image information sequentially from the next line along the line direction. When the contact along the row direction is sequentially detected from the contact position, the control means sequentially enlarges each display image information in the row direction and displays it on the display unit. By tracing the characters along the line direction with a pen or the like, each character can be continuously enlarged and displayed, so that the sentence can be continuously enlarged and read.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration of a display device according to the present invention.

FIG. 2 is a diagram illustrating a display example of a character string on a display device.

FIG. 3 is a flowchart illustrating an operation of a main part of the display device.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Wireless part, 2 ... Control part, 3 ... LCD, 4 ... Touch panel, 5 ... Display control part, 6 ... Touch panel input detection part, 7
... Memory part, 9 ... Enlargement ratio setting means, 20 ... Pen.

Claims (3)

[Claims] 1. A display device comprising a display unit for displaying received image information in a reduced size on said display unit, said display device being disposed on an upper surface of said display unit and transmitting image information displayed on said display unit. A touch panel; a memory for storing received image information; a detection unit for detecting a touch on the touch panel; and image data corresponding to a touch position of the touch panel detected by the detection unit read from the memory and expanded. A display device, comprising: a control unit; and a display control unit that displays the image information enlarged by the control unit in a display area corresponding to the contact position on the display unit. 2. The display device according to claim 1, further comprising setting means for setting an enlargement magnification of the image information, wherein the control means enlarges the image information in accordance with the enlargement magnification of the setting means. 3. The display device according to claim 1, wherein the received image information is sequentially displayed on the display unit in a row direction, and when one line of image information is displayed, new image information is displayed next. Are sequentially displayed along the row direction from the row, and when contact along the row direction is sequentially detected from the contact position on the touch panel, the control unit sequentially enlarges each display image information in the row direction. A display device characterized by displaying on a display unit.