JP2003189177A - Terminal - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a terminal that can easily recognize whether or not an image displayed on a screen is a magnified image and at what position of the entire image is magnified and easily magnify the image. <P>SOLUTION: The terminal is provided with: a division position instruction means that makes a division instruction at an optional position when an image displayed on an image display means (image display section 14) is divided into a plurality of areas; a magnification instruction means that instructs magnified display of each image area corresponding to each divided image area; a magnification factor revision means that revises the magnification factor; and a magnification display notice means (e.g. magnifying state lighting lamp) that informs a user about it that the image displayed on the image display means is a magnified image. Each of the division position instruction means, the magnification instruction means, and the magnification factor revision means comprises buttons and a button control section 24. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a terminal device such as a television for receiving and reproducing a video signal, and more particularly to a terminal device capable of enlarging a specific video portion.

[0002]

2. Description of the Related Art Conventionally, various terminal devices capable of enlarging a specific video portion have been proposed. For example,
The conventional terminal device, as shown in FIG.
Decoders 10 for respectively decoding data,
Voice control unit 11 for performing voice control, voice control unit 11
A speaker 12 for generating a sound based on the control of
Display control unit 13 for performing display control, display control unit 13
Image display unit 1 for displaying an image based on the control of
4, a position controller 16 for controlling a position to be enlarged by communicating with a remote controller, and an enlarged display control circuit 15 for controlling enlarged display of an image.

In this conventional terminal device, a signal received by an antenna is input to a tuner section, and the tuner section subjects the input signal to processing such as demodulation and error correction, and then TS (transport stream). ) Is generated. The video decoder 10 performs MPEG2 decoding processing on the input video data and outputs the decoded video data to the display control unit 13. After that, the display control unit 13 causes the image display unit 14 to display the video data input from the video decoder 10. Also, the audio decoder 1
In the case of 0, after processing the audio signal and outputting it to the audio control unit 11, the speaker 12 is controlled by the audio control unit 11.
Output audio from.

Further, another conventional terminal device will be described based on a specific mode. For example, JP 2001-15
Japanese Patent No. 4776 discloses that when an image is divided in advance, each divided image is enlarged and displayed in accordance with an instruction, and when it is desired to change the divided image to another divided image, A portable display device is disclosed that changes a divided image each time a magnified display instruction button is operated, in a predetermined order.

This portable display device has a display device composed of a liquid crystal display device or the like for displaying an image. In addition, this portable display device includes a first enlarged display instruction button and a second enlarged display instruction button for instructing enlarged display. Further, this portable display device includes a plurality of movement instruction buttons for instructing movement of the divided images. Then, by operating the first or second enlarged display instruction button, the image is displayed in the enlarged display mode on the display device. Further, when it is detected that one of the movement instruction buttons is turned on during the display in the enlarged display mode, the divided image is moved by a predetermined number of dots in a predetermined direction corresponding to the detected movement instruction button. .

Japanese Unexamined Patent Publication No. 2001-211417 discloses that
A digital camera having a liquid crystal display device on the back side is disclosed, and this digital camera is provided with a cross key and the like for instructing enlargement and reduction of a screen. Then, when a key for instructing enlargement is operated, the display image on the screen is enlarged and displayed. On the other hand, when the key for instructing reduction is operated, the display image on the screen is reduced and displayed. If you also operate the shift key and the four-way controller here,
The display range can be moved without changing the zoom screen.

The portable information terminal device disclosed in Japanese Unexamined Patent Publication No. 2000-287071 is configured to send still image data picked up by a CCD camera to a system control section. In this system control unit, when the user operates the division transmission button, the still image data is equally divided into, for example, four from the top, and divided image data corresponding to each divided area is generated. Then, the system control unit writes the arrangement information regarding the combined arrangement of the divided image data to each divided image data, expands the divided image data to the screen size of the display unit, and corresponds it to the division number. It is distributed to each of the other portable information terminal devices and transmitted.

[0008]

However, in the above-mentioned conventional technique, it is unclear whether or not the image displayed on the screen is a magnified image. Further, it is not possible to determine which position of the entire image is in the enlarged and divided image. Furthermore, in order to instruct the enlargement of the image, it is necessary to operate a plurality of keys, and the operation is troublesome.

The present invention has been proposed in view of the above-mentioned circumstances. Whether the image displayed on the screen is a magnified image, and when the image is magnified An object of the present invention is to provide a terminal device that can easily recognize whether or not a position is enlarged and can easily perform an image enlargement operation.

[0010]

A terminal device according to the present invention divides an image display means for displaying an image based on an input video signal and an image displayed on the image display means into a plurality of areas. An image displayed on the image display means in a terminal device including image dividing means for displaying the image area and displaying control on the image display means by enlarging the image area divided by the image dividing means. To divide an image into a plurality of regions, a dividing position instructing means for instructing division of an image at an arbitrary position, and instructing enlargement display of each image region corresponding to each divided image region. Enlargement instruction means, enlargement ratio changing means for changing the enlargement ratio when the divided image areas are enlarged and displayed on the image display means, and an image displayed on the image display means. Enlarged picture It is characterized in that a larger display informing means for informing that it is.

Further, the terminal device according to the present invention is an enlarged area informing means for informing which divided area in the image is being enlarged and displayed while the divided image is being enlarged and displayed on the image display means. It is characterized by including.

Further, in the terminal device according to the present invention, in the terminal device, the enlarged display of the divided image ends after a predetermined time has elapsed after the divided image is enlarged and displayed by the image display means, and the enlarged display is performed. It is characterized by comprising a timer control means for re-displaying the previous whole image.

Further, in the terminal device according to the present invention, the timer control means sets the time until the whole image before the enlarged display is redisplayed after the divided image is enlarged and displayed. It is characterized by including.

Further, in the terminal device according to the present invention, the enlargement instructing means comprises enlargement buttons whose number is equal to or less than the number of divided image areas, and the divided images are sequentially switched by operating the enlargement buttons. It is characterized by enlarged display.

Further, the terminal device according to the present invention is characterized in that the enlargement ratio changing means is constituted by the enlargement instructing means.

Further, the terminal device according to the present invention comprises a voice control means for changing the volume balance in accordance with the enlarged divided image when the divided image is enlarged and displayed on the image display means. It is characterized by

Further, in the terminal device according to the present invention, the input video signal includes character information and image information, and a signal for separating and extracting the character information and the image information from the input video signal. It is characterized in that a separation means is provided, and either the character information or the image information separated by the signal separation means is enlarged and displayed.

Incidentally, the above-mentioned Japanese Patent Laid-Open No. 2001-15477.
The technique disclosed in Japanese Patent No. 6 has means for enlarging and displaying a divided image and means for instructing to change the position of the divided image. On the other hand, the terminal device according to the present invention is characterized by having a function that allows the user to determine at a glance whether the displayed image is an enlarged image or not. It is clearly different from the technology disclosed in. Further, the terminal device according to the present invention is also disclosed in Japanese Patent Laid-Open No. 2001-154776 in that it can easily determine in which part of the entire image the enlarged image is located. The technology is different.

Further, regarding the enlarged display, the terminal device according to the present invention can perform the enlarged display with a smaller number of buttons (one button in the minimum case). In this case, the enlargement ratio can be changed by using the same button as the button for instructing enlargement, and therefore, JP-A-2001
This is significantly different from the technique disclosed in Japanese Patent Publication No. -154776.

Further, the above-mentioned Japanese Patent Laid-Open No. 2001-21141
The technique disclosed in Japanese Patent Laid-Open No. 7-75, in an apparatus having a photographing function such as a digital camera, displays an image to be photographed as a preview image on a display unit, and further edits the preview image by enlarging or reducing the image. It is intended to do. On the other hand, the terminal device according to the present invention is intended to receive broadcast waves and display the received video in an enlarged manner.
It is clearly different from the technique disclosed in Japanese Patent No. 1417. Further, in the technique disclosed in Japanese Patent Laid-Open No. 2001-211417, an image is enlarged by operating a key for instructing enlargement, and by operating this and the cross key at the same time, the display range is kept as the zoom screen. Are moving. On the other hand, in the terminal device according to the present invention, since the image is divided in the area designated in advance, it is not necessary to move the display range by the cross key.

Further, the terminal device according to the present invention can judge at a glance whether or not the displayed image is an enlarged display image, and at which part of the entire image the enlarged display image is located. It is also different from the technique disclosed in Japanese Patent Laid-Open No. 2001-211417 in that it can be determined.

Further, the technique disclosed in Japanese Patent Laid-Open No. 2000-287071 captures a captured image, divides the captured image, and enlarges it. On the other hand, the terminal device according to the present invention is obviously different in that it receives a broadcast wave and enlarges and displays the image. In addition, as a means for enlarging an image, Japanese Patent Laid-Open No. 2000-2
In the technique disclosed in Japanese Patent No. 87071, it is impossible to magnify and display an image to be magnified among the divided images with one touch. On the other hand, since the terminal device according to the present invention has buttons corresponding to the respective divided images, it can be enlarged with one touch.

Further, in the technique disclosed in Japanese Patent Laid-Open No. 2000-287071, when the image is enlarged, whether the image is an enlarged display of a part of the entire image or the entire image is displayed. It is not possible for the user to make such a judgment or a judgment as to which part of the whole image is located.

[0024]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of a terminal device according to the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing a terminal device according to an embodiment of the present invention.
This terminal device displays a video signal in television broadcasting.

The terminal device according to the embodiment of the present invention is shown in FIG.
As shown in, each decoder 10 for decoding video, audio, and data respectively, an audio control unit 21 for performing audio control, a speaker 12 for generating audio based on the control of the audio control unit 21, a display A display control unit 22 for performing control, an image display unit 14 for displaying an image under the control of the display control unit 22, and a control unit for controlling the button based on a button input signal from a button for giving an enlargement instruction. A button control unit 24, a timer control unit 25 for controlling the enlarged display time of the image, an enlarged display control circuit 23 for controlling the enlarged display of the image, and character information control for controlling the enlarged display of character information and the like. A section 26 is provided. In this terminal device, the flow of video and audio signals when the image is not enlarged and displayed is almost the same as that of the conventional terminal device shown in FIG.

<First Embodiment> FIG. 2 is a schematic diagram showing a first embodiment of a terminal device including the circuit shown in FIG. The terminal device shown in FIG. 2 is a portable terminal device, and is provided with four buttons 31 to 34, and each button 31 to 34 includes each area information of a four-divided image area. . That is, buttons 31 to 34 corresponding to the respective divided areas are provided respectively, and the user presses the button corresponding to the divided area to be enlarged so that the image is enlarged and displayed with one touch on any divided area. be able to.

For example, if the image area corresponding to the button 34 is the area 38 when the user presses the button 34, the coordinate information of the area 38 is the enlarged display control circuit 2.
Sent to 3. The enlargement display control circuit 23 extracts only the video signal corresponding to the portion to be enlarged based on the input coordinate information, and outputs it to the display control unit 22. The display control unit 22 performs interpolation calculation processing on the input video signal, and then outputs the enlarged video to the image display unit 14.

FIG. 3 is a schematic diagram showing an example in which the area 38 is enlarged and displayed in this manner. For example, when changing the image area corresponding to the button 31, as shown in FIG. 3, when the button 31 is pressed for several seconds, an image area change signal is sent to the button control section 24. The button control unit 24 transmits a command for changing the image area to the enlarged display control circuit 23, and the enlarged display control circuit 23 causes the display control unit 22 to display the image region while changing the image region. Alternatively, the image area changes each time the user presses the button 31, and the changed image area is output to the image display unit 14. The user sets the area corresponding to the button 31 while confirming the image area displayed on the image display unit 14 in this manner.

When changing the enlargement ratio using the enlargement button, for example, if the buttons 31 and 32 are pressed at the same time, the enlargement ratio increases with each operation, and if the maximum enlargement ratio is exceeded, the minimum enlargement ratio is reached. Make settings so that the magnification is displayed. Further, if the button 33 and the button 34 are pressed simultaneously, the enlargement ratio is reduced with each operation, and if the minimum enlargement ratio is exceeded, the maximum enlargement ratio is displayed.

When the area 35 is enlarged and the enlargement ratio is further increased, the button 31 is first pressed to enlarge and display the area 35. Next, in order to increase the enlargement ratio, the button 31 and the button 32 are pressed simultaneously.
Then, the button control unit 24 sends a command for increasing the enlargement ratio to the enlargement display control circuit 23, and the enlargement display control circuit 23 performs a process for increasing the enlargement ratio. Further, the display control unit 22 performs the interpolation process, and the image with the increased enlargement ratio is displayed on the image display unit 14.

Here, the button 31 and the button 32 are again used.
If you press at the same time, the same process is repeated, and the enlargement ratio increases. This process is performed by button 31 and button 3.
Repeated each time 2 is pressed. Further, the same processing is performed when the enlargement ratio is reduced. As another example of changing the enlargement ratio for the enlarged display image of the region 35,
When the button 31 is pressed to display the region 35 in an enlarged manner, and the button 31 is still pressed, if the button 32 is pressed several times, the enlargement ratio increases each time the button 32 is pressed, and conversely, the button 31 remains pressed. In this state, if the button 33 is pressed several times, the enlargement ratio decreases every time the button 33 is pressed.

Next, an example of notifying the user of the enlarged image displayed will be described. When the user presses the button 31, a signal is sent from the button controller 24 to the display controller 22. On the basis of this signal, the display control unit 22 informs the user that the enlarged display is being performed, so that the image display unit 14 displays “Enlarged display”.
Is output. Further, the portable terminal device may be provided with a magnifying-lighting lamp 39 that indicates that the magnifying display is being performed, and the magnifying-lighting lamp 39 may be turned on to notify that the magnifying display is being performed.

<Second Embodiment> Next, referring to FIGS.
A second embodiment of the terminal device according to the present invention will be described. The terminal device according to the second embodiment is provided with an area display marker. In FIG. 4, reference numeral 54 indicates a lighting lamp during expansion.

In the terminal device according to the second embodiment, as shown in FIGS. 3 and 4, when the area 38 is enlarged and displayed by pressing the button 34, the button control section 24 moves to the enlarged display control circuit 23. An enlargement display command for the area 38 is sent. At this time, the enlargement display control circuit 23 sends a command to the display control unit 22 to turn on the area display marker shown in FIGS. 3 and 4 according to the area of the image portion to be enlarged.

The area 38 (see FIG. 2) enlarged in the second embodiment is the image on the lower left of the screen, and there are image portions not displayed on the upper and right sides. Therefore, as shown in FIG. 3, the display control unit 22 controls the area display marker 40 on the upper side and the area display marker 41 on the right side of the display screen.
Is turned on, or, as shown in FIG. 4, the area display marker 50 on the upper outside of the screen and the area display marker 51 on the right side.
By turning on, the enlarged image is displayed
To be able to determine which part of the original image is.

In the second embodiment, the case where the lower left part of the screen divided into four parts is enlarged is shown. However, when the user sets to enlarge the central part of the screen and enlarges the central part of the screen. , All the area display markers on the top, bottom, left and right are lit up. The area display marker provided in the display screen is not limited to the shape shown in FIGS.
It may have any shape such as a square, a triangle, or an arrow shape.

<Third Embodiment> Next, a third embodiment of the terminal device according to the present invention will be described. In the terminal device according to the third embodiment, when the user presses the button 31, the button control unit 24
A command for enlarging display is sent from the device to the enlarging display control circuit 23, and at the same time, a command for counting time is sent to the timer control unit 25.

The timer control section 25 sends a signal to the enlarged display control circuit 23 to count the time while the image is enlarged and displayed, and to switch to the original screen when a predetermined time has elapsed. send. Then, the output from the video decoder 10 is input to the display control unit 22 without passing through the enlarged display control circuit 23, and the image switched to the original screen display is displayed on the image display unit 14. The user can freely set the timer function like this.
It can be turned off and on.

<Fourth Embodiment> Next, a fourth embodiment of the terminal device according to the present invention will be described. In the terminal device according to the fourth embodiment, when the user presses a predetermined button existing in the terminal device, a signal is sent from the button control unit 24 to the timer control unit 25, and the timer control unit 25 starts the enlarged display. Set the time from when to automatically switch to the original display screen. Many methods are conceivable for the button operation at this time, but by pressing a plurality of buttons at the same time or double-clicking one button, for example, by simultaneously pressing the button 31 and the button 34 shown in FIG. A possible method is to set the timer so that it can be changed.

<Fifth Embodiment> Next, a fifth embodiment of the terminal device according to the present invention will be described. The terminal device according to the fifth embodiment is capable of performing the enlarged display operation with the number of buttons smaller than the number of divided screens. For example, as shown in FIG. 5, the image area for enlarged display is divided into four areas 60, 61, 62 and 63, and one enlargement button 65 is present. Then, when the enlargement button 65 is pressed once, the enlargement display control circuit 2
3, a command for enlarging and displaying the area 60 is sent. In FIG. 5, reference numeral 64 indicates a lighting lamp during expansion.

Then, the enlarged display control circuit 23 determines that the area 6
Only the video signal of the portion corresponding to 0 is sent to the display control unit 22, and the video of the portion corresponding to the area 60 is enlarged and displayed on the image display unit 14. When the enlarge button 65 is pressed again, the same operation is repeated and the area 61 is enlarged and displayed. After that, each time the enlarge button 65 is pressed, the area to be enlarged is 62, 63.
Then, when the enlargement button 65 is further pressed, the display screen is switched to the original non-enlarged display screen.
In the fifth embodiment, one enlargement button 65 is provided for four image areas, but there may be two or more enlargement buttons corresponding to a plurality of image areas. .

<Sixth Embodiment> Next, a sixth embodiment of the terminal device according to the present invention will be described. When the terminal device according to the sixth embodiment enlarges and displays a certain image area with one enlargement button 65, and further double-clicks the enlargement button 65 or performs an operation of pressing and holding for several seconds, the signal is output. It is sent to the button control unit 24 so as to be in the state of the enlargement ratio changing mode.

In this case, the button control section 24 sends an instruction to change the enlargement ratio to the enlargement display control circuit 23. And
The enlargement display control circuit 23 performs the process for increasing the enlargement ratio, and the display control unit 22 further performs the interpolation process, and the image with the enlarged enlargement ratio is displayed on the image display unit 14.

Thereafter, this processing is repeated each time the enlargement button 65 is pressed, and the enlargement ratio increases each time. In order to return the image enlarged in this way to the original display screen, double-click the enlargement button 65 again or press and hold it for several seconds to display the enlarged display from the button control section 24 to the enlarged display control circuit 23. A command to stop is sent, and the screen returns to the original display screen. Further, when the enlargement ratio is reduced, the same processing can be performed.

As another example of changing the enlargement ratio, the enlargement button 65 is a knob type that can be rotated to the left and right, and the image area to be enlarged is enlarged by pressing the enlargement button 65, and then the knob of the enlargement button 65. It is conceivable that the more you turn to the right, the larger the enlargement ratio becomes, and the more you turn it to the left, the smaller the enlargement ratio becomes.

<Seventh Embodiment> Next, a seventh embodiment of the terminal device according to the present invention will be described. The terminal device according to the seventh embodiment enlarges the sound corresponding to the image area when the image area is enlarged and displayed. Here, the region 35
An example will be described in which the value is increased.

Since the region 35 exists on the left side of the screen, when the region 35 is enlarged and displayed, the sound output from the left speaker becomes louder. When a certain image area is enlarged and displayed by the enlargement button 65, the button control unit 24 sends an enlargement display command to the enlargement display control circuit 23, and at the same time, sends a voice balance change command to the voice control unit 21. .

Based on this command, the voice control unit 21
If the magnified image area is on the left, increase the speaker volume on the left side, and if the magnified image area is on the right side,
The volume of the speaker on the right side is increased to output the voice from the speaker 12. Note that the user can freely change the volume balance according to the enlarged image.
It can be turned off and on.

<Eighth Embodiment> Next, an eighth embodiment of the terminal device according to the present invention will be described. The terminal device according to the eighth embodiment enlarges and displays the character information sent as a data broadcast. The terminal device according to the eighth embodiment is provided with a dedicated button for enlarging character information, or a button operation for enlarging character information with respect to an enlarging button 65 used for enlarging and displaying a part of an image. To set. For example, when the buttons 32 and 34 are pressed at the same time, settings are made such that only the character information displayed on the screen is enlarged and displayed.

Here, when certain character information is displayed and the user wants to enlarge and display that part, when the user presses the button for enlarging the character information, the button control section 24 causes the character information control section 26 to display the character information. A signal of expansion is sent. The character information control unit 26 takes out a signal of character information from the data decoder 10 and outputs it to the display control unit 22. The display control unit 22 performs interpolation calculation processing on the input character information signal and displays the enlarged image on the image display unit 14. Even when the image information is displayed in an enlarged manner, it can be dealt with by the same processing as the case of the character information.

In each of the above-described embodiments, the image display unit 14 functions as an image display unit, and the display control unit 2
2 functions as an image dividing unit and a display control unit, buttons 31 to 34, 65 and a button control unit 24 function as a division instruction unit, an enlargement instruction unit, an enlargement ratio changing unit, and a time setting unit, and a timer control unit 25. Functions as a timer control means. Also, the lighting lamp 39 during expansion,
54 and 64 function as enlarged display notifying means, and the area display markers 40 to 43 and 50 to 53 function as enlarged area notifying means. Further, the character information control unit 26 functions as a signal separating unit.

<Other Embodiments> In the above embodiment,
Although the portable terminal device has been described as a specific example, the present invention is not limited to the portable terminal device and can be applied to a fixed receiving device. Also, I showed how to operate some buttons corresponding to multiple image areas,
The combination of buttons is not limited to this as long as the effect of the present invention is not impaired, and other combinations can be used.

[0053]

In the terminal device according to the present invention, by providing the division instructing means for instructing the division of the image at any position, it is possible to enlarge and display any position on the screen. Further, by providing enlargement instruction means for instructing enlargement display of each image area and enlargement ratio changing means for changing the enlargement ratio, enlargement buttons etc. can be displayed without adding new buttons etc. It can be used to display an arbitrary position on the screen at an enlargement ratio according to need. Further, by providing the enlarged display notifying unit for notifying that the image displayed on the image display unit is the enlarged image, the user can judge at a glance whether or not the enlarged display is being performed.

Further, in the terminal device according to the present invention, by providing the enlarged area informing means, the user can easily determine which part of the original image the enlarged image is.

Further, in the terminal device according to the present invention, the timer control means for ending the enlarged display of the divided image and re-displaying the whole image before the enlarged display when a predetermined time has elapsed after the enlarged display is performed. By providing, the display before the enlarged display is automatically returned when the operation of returning to the display before the enlarged display is repeated again after the enlarged display is performed for several seconds, so that the user's trouble can be saved.

Further, in the terminal device according to the present invention, by providing the time setting means for setting the time until the whole image before the enlarged display is displayed again after the divided image is enlarged and displayed, After the display, each user can arbitrarily set the time until automatically returning to the display before the enlarged display.

Further, in the terminal device according to the present invention, the enlargement instructing means is constituted by the enlargement buttons whose number is equal to or smaller than the number of divided image areas, and the enlargement button is operated to sequentially display the enlarged images by switching the divided images. By doing so, it is possible to perform an enlarged display operation with a smaller number of buttons than in the conventional technique.

Further, in the terminal device according to the present invention, the enlargement instructing unit also has the function of the enlargement ratio changing unit, so that the enlargement ratio can be changed without newly providing a button or the like.

Further, in the terminal device according to the present invention, when the divided image is enlarged and displayed, the voice control means for changing the volume balance in accordance with the enlarged and displayed divided image is provided to enlarge the enlarged image. The audio balance changes corresponding to the video portion, and it is possible to auditorily recognize which portion is being enlarged.

Further, in the terminal device according to the present invention, by providing the signal separating means for separating and extracting the character information and the image information from the input video signal, the character information or the image information is displayed as the data broadcast. In this case, it is not necessary to register the character information or the image information portion in the button or the like, and the enlarged display can be performed with one touch.

As described above, in the conventional technique, when the enlarged image is displayed on the display screen, the user can determine whether the image is the enlarged image or the standard image. However, according to the terminal device of the present invention, it is possible to determine at a glance whether or not it is an enlarged image.

Further, according to the conventional technique, it is impossible to determine the position of the enlarged image in the entire image, but according to the terminal device of the present invention,
It is possible to easily determine the portion where the enlarged and displayed image is located, which is advantageous in terms of user interface.

Further, according to the terminal device of the present invention, since it has a timer function which the prior art does not have, it is possible to repeat the operation of returning to the original screen after the designated time has passed after the enlarged display. Can save the user the trouble.

Further, in the conventional technique, many buttons are required to enlarge and display the image or move the display area. However, the terminal device according to the present invention has a small number of buttons. It is possible to carry out operations such as enlargement display, change of enlargement ratio, change of display area, etc. with a number, and the device can be made compact.

Further, according to the terminal device of the present invention, when receiving a digital broadcast in which a plurality of pieces of information such as character information and image information are superimposed, the data broadcast portion of character information, image information and the like is received. One-touch enlargement display is possible without user setting.

[Brief description of drawings]

FIG. 1 is a block diagram showing an overall configuration of a terminal device according to the present invention.

FIG. 2 is a schematic diagram showing an example of a terminal device according to the present invention.

FIG. 3 is a schematic diagram showing another example of the terminal device according to the present invention.

FIG. 4 is a schematic diagram showing an example of an enlarged display in the terminal device according to the present invention.

FIG. 5 is a schematic diagram showing another example of enlarged display in the terminal device according to the present invention.

FIG. 6 is a block diagram showing an overall configuration of a conventional terminal device.

[Explanation of symbols]

10 (Video / Audio / Data) Decoder 11 Voice control unit 12 speakers 13 Display control unit 14 Image display section 15 Enlarged display control circuit 16 Position controller 21 Voice control unit 22 Display control unit 23 Enlarged display control circuit 24 button controller 25 Timer control section 26 Character information control unit 31 button (upper left) 32 buttons (upper right) 33 buttons (enlarged lower right) 34 button (bottom left enlargement) 35 areas (upper left) 36 areas (upper right) 37 areas (lower right) 38 areas (lower left) 39 Expansion lamp 40 area display marker (upper) 41 Area display marker (right side) 42 Area display marker (below) 43 Area display marker (left side) 50 area display marker (upper) 51 Area display marker (right side) 52 Area display marker (below) 53 Area display marker (left side) 54 Expansion lamp 60 areas (upper left) 61 area (upper right) 62 areas (lower right) 63 areas (lower left) 64 Expansion lamp 65 enlarge button

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) G09G 5/36 H04N 5/445 Z H04N 5/445 G09G 5/36 520F 520P (72) Inventor Takeshi Kawabe Osaka 22-22 Nagaike-cho, Abeno-ku, Osaka-shi, Osaka Prefecture (72) Inventor Shinji Endo 22-22, Nagaike-cho, Abeno-ku, Osaka-shi, Osaka Prefecture F-term (see reference) AA28 AA29 CA03 CA09 CA11 CA15 CA19 DA08 5C082 AA02 AA21 BA12 BA34 BA35 BB03 BB44 CA33 CA54 CA56 CB05 DA51 MM09 MM10 5E501 AA13 BA03 CA03 CB03 EA01 EA13 FA14 FB04 FB43

Claims (8)

[Claims] 1. An image display means for displaying an image based on an input video signal, an image division means for dividing an image displayed on the image display means into a plurality of regions, and the image division means. In a terminal device including a display control unit for enlarging and displaying the divided image area on the image display unit, when dividing an image displayed on the image display unit into a plurality of regions, an arbitrary Division position instructing means for instructing division of an image at a position, enlargement instructing means for instructing enlargement display of each image area corresponding to each of the divided image areas, and each of the divided images In order to notify that the image displayed on the image display unit is an enlarged image, the enlargement ratio changing unit for changing the enlargement ratio when the area is enlarged and displayed on the image display unit. Enlarged view of Terminal apparatus characterized by comprising a knowledge unit. 2. An enlarged area informing unit for informing which divided area in the image is being enlarged and displayed while the divided image is being enlarged and displayed in the image display unit. The terminal device according to claim 1. 3. A timer control means for ending the enlarged display of the divided image when a predetermined time elapses after the divided image is enlarged displayed on the image display means and for redisplaying the entire image before the enlarged display. The terminal device according to claim 1 or 2, further comprising: 4. The timer control means includes a time setting means for setting a time until the whole image before the enlarged display is displayed again after the divided image is enlarged and displayed. The terminal device according to 3. 5. The enlargement instructing means comprises a number of enlargement buttons equal to or less than the number of divided image areas, and by operating the enlargement buttons, the divided images are sequentially switched to be enlarged and displayed. The terminal device according to any one of claims 1 to 4. 6. The terminal device according to claim 5, wherein the enlargement ratio changing unit is configured by the enlargement instruction unit. 7. The audio control means for changing the volume balance in accordance with the enlarged divided image when the enlarged display of the divided image is performed on the image display means. The terminal device according to any one of 1 to 6. 8. The input video signal includes character information and image information, and a signal separation means for separating and extracting the character information and the image information from the input video signal is provided. 8. The terminal device according to claim 1, wherein one of the character information and the image information separated by means is enlarged and displayed.