JP2002259015A - Communication terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a communication terminal which simultaneously represents image information and text character string information in a plain state. SOLUTION: Text data is displayed in an area 303 provided in the lowest part of a display area 301. A text is made into a message of one line without line feeding or the like, and a visible area 305 in liquid crystal is taken as a window to make fluid display (scroll) at a certain speed, at which a user can read it. When all the text is displayed up to the end, the text is scrolled form the start again.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a communication terminal for receiving, from a server or another terminal on a network, an image such as a still image or a moving image and at least a content including text and reproducing / displaying the content.

[0002]

2. Description of the Related Art There are various types of communication terminals that receive still images and moving images, voice and character data, and contents obtained by combining them from a server or another terminal through a wired or wireless communication network, and reproduce and display the contents. Is being developed.

[0003] The communication terminals include not only voice in real time but also video telephone terminals for exchanging images with each other and each other's images.

An example of such a communication terminal is a wireless terminal represented by a mobile phone. As a general configuration of this wireless terminal, there is a wireless terminal 21 shown in FIG.

[0005] The portable radio terminal 21 is a display device such as a liquid crystal for projecting a moving image or a still image, and is a display LCD (Liquid Cry) for displaying character and image data.
(Stall Display) 23, a speaker 25 for reproducing sound, a microphone 27 for inputting sound, an operation key button 31 which is an input device including a key button, a touch panel, and the like for operating the terminal by a user. , A power switch 35 and an antenna 37.

In the information communication terminal shown in FIG. 10, when the content has an image and text character string data, each of them is displayed on the LCD 23 of the terminal.

Here, since there is only one LCD 23,
The following method can be used to simultaneously display and provide an image and a text character string to a user. (1) The display area of the LCD 23 is divided and displayed. (2) Display (overlay) a text character string over the image being displayed. (3) The display screen of the image and the display screen of the text character string are alternately switched and displayed automatically by a user's operation or at regular intervals.

However, in the case of the above-mentioned method (1), the display screen of the image becomes small, which is smaller than the size of the screen intended by the creator of the content or the communication partner. There is.

In the above method (2), the image may be difficult to read, or the character may be difficult to read depending on the relationship between the display color of the text character string and the image.

In the above-mentioned method (3), when switching is performed by a user operation, the switching operation is cumbersome, and there is a possibility that a message of a text character string attached to an image is sometimes overlooked. There is a problem that the user cannot concentrate on the information provided by the image or the text character string.

[0011]

As described above, in a communication terminal capable of displaying composite information of an existing image and a text character string, both the information in the image and the information in the text character string can be easily understood at the same time. It was difficult to express with.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has as its object to provide a communication terminal capable of expressing image information and text character string information simultaneously and in an easily viewable state.

[0013]

According to one aspect of the present invention, an image and a character string are simultaneously displayed in a communication terminal for displaying at least information including an image and a character string on a display means. Control means for automatically scrolling and displaying the character string in an arbitrary display area of the display means when simultaneously displaying the image and the character string on the display means. It is characterized by.

According to a second aspect of the present invention, in the communication terminal according to the first aspect, the character string display area is the lowest part of the display means. .

According to a third aspect of the present invention, there is provided a communication terminal according to the first aspect, further comprising a speed changing means for changing a speed of scrolling a character string. .

According to a fourth aspect of the present invention, there is provided a communication terminal according to the first aspect, further comprising a display area changing means for changing a display area of a character string. .

According to a fifth aspect of the present invention, in the communication terminal of the first aspect, at least information including an image and a character string is received via a communication network. I have.

According to a sixth aspect of the present invention, in the communication terminal according to the first aspect of the present invention, when the information comprising only an image is displayed, the control means displays the information in a character string display area. , An arbitrary character string is displayed.

According to a seventh aspect of the present invention, in the communication terminal of the sixth aspect, an arbitrary character string indicates that information to be displayed on the display means comprises only an image. It is a character string.

[0020]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 shows a configuration of a wireless terminal typified by a mobile phone as an example of a communication terminal according to an embodiment of the present invention.

The external configuration of the wireless terminal is the same as the conventional one, and the configuration is shown in FIG. 10 and the detailed description is omitted.

FIG. 2 is a block diagram showing the configuration of the wireless terminal according to this embodiment.

As shown in the figure, the wireless terminal according to the present embodiment comprises a main control unit 41, a video decoder 43, a video L
CD control circuit unit 45, image LCD 23, demultiplexing unit 4
9, a line interface unit (line I / F unit) 51, an antenna 37, an audio codec 55, a speaker 25, a microphone 27, an operation input control circuit unit 59, an operation button group 31, a power switch 35, and a memory buffer 44. These are connected to each other via a bus 48.

The main control unit 41 includes a CPU, a ROM and a RAM.
The operation as a communication terminal is realized by integrally controlling each part of the terminal.
The main control unit 41 implements processing means for implementing various functions by software processing.

The video decoder 43 decodes the encoded video data and supplies the reproduced video data to the LCD control circuit 45. The LCD control circuit unit 45 controls the LCD 23 to display an image indicating the given image data. The LCD 23 is a moving image such as MPEG4, JPEG
Etc., HTML (Hyper Text Ma)
rking Language), WAP (Wirel)
ESS Access Protocol) is a color or monochrome LCD having sufficient display capability (resolution, etc.) for displaying information such as images and texts supported by the LCD control circuit unit 45. Display characters etc.

The demultiplexing unit 49 is a line interface unit 5
1 to separate encoded video data, encoded audio data, and other data from the transmission data given by
And the main control unit 41.

The line interface unit 51 includes an antenna 37
It is connected to a communication network wirelessly via a communication network, performs various call processing for performing communication via the communication network, and transmits and receives data via a communication path set on the communication network.

The audio codec 55 decodes the encoded audio data supplied from the demultiplexing unit 49 and converts it into an analog signal to obtain an audio signal. The audio signal is supplied to the speaker 25. In addition, the audio signal output from the microphone 27 is converted into a predetermined audio encoding method (for example, ITU-T Recommendation G
729, G723.1, etc.) to obtain encoded audio data, which is supplied to the demultiplexing unit 49 via the bus 48.

The speaker 25 outputs an audio signal provided from the audio codec 55 as audio.

The operation button group 31 and the power switch 35 are connected to the operation input control circuit 59.
The operation input control circuit 59 receives a user's instruction operation on the operation button group 31 and the power switch 35, and notifies the main control unit 41 of the content of the instruction operation.

The operation button group 31 is for receiving various instructions from a user, such as connection / disconnection of a line, selection of a connection destination, a request for acquiring content, and selection display of stored content.

The power switch 35 is turned on for the terminal device.
/ OFF instruction.

The components surrounded by the dotted line 46 in FIG. 1 are all housed in a housing of the present wireless terminal, usually on one main board.

Although not explicitly shown in FIG. 1, a power supply unit for supplying power for driving the above-described units exists as a component of the terminal, but the description thereof is omitted.

As shown in FIG. 2, the radio terminal 21 according to the present embodiment receives the content 63 transmitted from the server 61 on the network 65 or another terminal 21 ′ via the base stations 67 and 67 ′. , Display and playback.

In some cases, received contents are stored in a memory buffer 44 or the like provided in the wireless terminal, and these contents are displayed / reproduced at any time by a user's operation.

As shown in the sequence shown in FIG. 3, when the power supply 35 of the terminal is turned on and the server 61 or the other terminal 21 'is selected by the operation button group 31, the terminal transmits the signal to the server 61 or the other terminal 21'. A connection request is transmitted, and the server 61 (the other terminal 21 ′) and the terminal 2
A virtual circuit path for transmitting and receiving contents is established during the period 1.

Alternatively, in communication with the other terminal 21 ′ or the server 61, a connection request may be transmitted from the other party and a line path may be established.

The terminal 21 is equipped with a camera, and the other terminal 2
In some cases, the content is transmitted to the server 1 'or the server 61, but is omitted here.

FIG. 4 shows the basic operation of the terminal 21.

When a call is established with the server (10)
3), the terminal 21 waits for reception of content data from the server 61 or another terminal 21 '(104).

When the content is received, it is confirmed whether or not the terminal itself is in the accumulation mode (absence state) (105), and in the case of a normal call, the reproduction of the received content is immediately started (109). If it is an answering machine, the remaining memory is checked (107). If there is no remaining memory, the old content is deleted (119), and the received content is stored in the empty memory buffer 44 (121).

When all the contents are received, the terminal 21
Alternatively, a call release request is issued from the other party (the server 61 or the other terminal 21 '), and the virtual circuit set for content transmission / reception is released (123).

FIG. 5 shows the operation of the terminal 21 when the user processes the content stored in the memory buffer 44 at (121) in FIG.

First, the terminal 21 recognizes the input key (201) and monitors the input command (20).
3) Perform processing corresponding to the command.

Normally, after storing one or a plurality of contents, the user first instructs to display a list of contents (219).

When the processing content is directly instructed (2
05) or when a content is selected by a content search instruction (215, 217), the content is displayed and reproduced by the LCD 23 and the speaker 25 according to the content of the content (205).

The displayed and reproduced contents are stored in the LCD 2
3, an inquiry message as to whether or not to delete is displayed.

Next, the details of the content reproduction performed in step 109 in FIG. 4 and step 205 in FIG. 5 will be described with reference to FIG.

The content received is MPEG2 or MP
This is composite image and audio data encoded by EG4. In the content targeted by the present invention, text data in characters is further multiplexed.

The received content is demultiplexed by the demultiplexer 49.
The image data, audio data, and text data are separated.

The audio data is sent to the audio codec 55, converted into an audio signal, and output from the speaker 25.

The image data is sent to the video decoder 43,
It is converted into a video signal and sent to the main control unit 41.

The text data is sent to the main control unit 41 and is superimposed on the above-mentioned video signal by software processing. The main control unit 41 drives the LCD control circuit unit 45,
Image and text data are superimposed on the CD in the format shown in FIG. 6 and output. The background of the text area may be a solid color, but an overlay display for displaying the image data as it is is also possible.

As shown in FIG. 6, the text data is displayed in an area 303 provided at the bottom of the display area 301. The text is a one-line message excluding a line feed or the like, and is displayed (scrolled) at a constant speed readable by the user using the visible area 305 in the liquid crystal as a window. When the entire text is displayed to the end, the text is scrolled again from the beginning of the text.

The speed of text flow can be changed by user operation. FIG. 7 is an enlarged view of a part of the operation button group 31 shown in FIG. 1. However, when the "1" key is pressed while pressing the "S (shift)" button in FIG. When the "3" key is pressed while holding down the "S" key, control is performed to speed up the flow of text.

By pressing the key "2", the flow of the text can be temporarily stopped. (If any key is pressed in this state, the flow is resumed.) Similarly, by operating the “S” key and the “5” key, the text display of 303 is erased, and the image content is displayed. Or resume text display.

As shown in FIG. 8, the position of the text display area can be moved to an arbitrary vertical position on the screen by operating the "S" key and the "4" and "6" keys. . In this case, the unit of movement of the display position can be considered in various ways, such as limiting the unit of dots or lines of the LCD, or limiting the vertical position to several places. come.

In the above-described switching of the display / non-display of the text, this operation is performed when the content being displayed / reproduced is originally composed of only an image (and a sound) having no text message. However, the text is not displayed, and it is difficult for the user to determine whether the content has no text or is not displayed due to a failure of the terminal.

Therefore, as shown in FIG. 9, when the operation of switching the text display is performed during the reproduction of the content having no text message, the terminal prepares
A message indicating that the content being played back has no text data can be displayed in a flowing manner in the same manner as a normal text message.

The present invention is not limited to the above embodiment.

For example, the operation system of the terminal is not limited to the operation by key operation as in the embodiment, but may be any of various operation systems such as a system using a pointing device such as a sliding pad or a pressure-sensitive stick, and a system using a touch panel as the LCD 23. Can be considered.

In addition, various modifications can be made without departing from the gist of the present invention, such as the form of the terminal main body and the combined use of a multi-line and full-screen text display.

In this embodiment, a case has been described in which content received from a server or another terminal is displayed. However, the present invention is not limited to this. For example, storage means provided in a terminal may be used. Any content may be stored in the memory.

[0065]

As described above, according to the present invention, it is possible to efficiently display and reproduce mixed contents of text and image data.

[Brief description of the drawings]

FIG. 1 is a block diagram of a wireless terminal according to an embodiment of the present invention.

FIG. 2 is a conceptual diagram of a system in which a wireless terminal according to an embodiment of the present invention is used.

FIG. 3 is a flowchart illustrating communication of content data between a wireless terminal and a server (or another terminal) according to the embodiment of the present invention.

FIG. 4 is an operation flowchart of the wireless terminal according to the embodiment of the present invention.

FIG. 5 is an operation flowchart of the wireless terminal according to the embodiment of the present invention.

FIG. 6 shows the LC of the wireless terminal according to the embodiment of the present invention.
It is a display example of D23.

FIG. 7 is an example of an operation button group 31 of the wireless terminal according to the embodiment of the present invention.

FIG. 8 shows the LC of the wireless terminal according to the embodiment of the present invention.
It is a display example of D23.

FIG. 9 shows the LC of the wireless terminal according to the embodiment of the present invention.
It is a display example of D23.

FIG. 10 is a schematic view of a wireless terminal according to a conventional example of the present invention.

[Explanation of symbols]

21, 21 ': wireless terminal, 23: LCD for displaying character / image data, 25: speaker, 27: microphone, 31: key button for operation, 32: key operation Information printing mark, 35 ... power switch, 37
..Antenna, 41 ... main control unit, 43 ... video decoder, 44 ... memory buffer, 45 ... LCD
Control circuit, 46: main board, 48: main bus, 4
9: demultiplexing unit, 51: line interface unit, 55: audio codec, 59: key button input control circuit unit, 61: content server, 63
..Content database, 65 network, 67, 67 'base station, 301 LCD2
3 display area, 303... Text display area

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Noritaka Tanikawa, 1-1-1, Shibaura, Minato-ku, Tokyo Inside Toshiba Head Office (72) Inventor Kenji Yoshida 1-1-1, Shibaura, Minato-ku, Tokyo Stock Company F-term in Toshiba head office (reference)

Claims (7)

[Claims] 1. A communication terminal for displaying at least information including an image and a character string on a display means, wherein: a display means for simultaneously displaying the image and the character string; and a method for simultaneously displaying the image and the character string on the display means. Control means for automatically scrolling and displaying the character string in an arbitrary display area of the display means. 2. The communication terminal according to claim 1, wherein the character string display area is a lowermost part of the display means. 3. The communication terminal according to claim 1, further comprising speed changing means for changing a speed of scrolling the character string. 4. The communication terminal according to claim 1, further comprising display area changing means for changing a display area of a character string. 5. The communication terminal according to claim 1, wherein information including at least an image and a character string is received via a communication network. 6. The communication terminal according to claim 1, wherein the control means displays an arbitrary character string in a character string display area when displaying information consisting only of an image. 7. The communication terminal according to claim 6, wherein the arbitrary character string is a character string indicating that information to be displayed on the display unit includes only an image.