JP2003244289A - Mobile phone information display control method, mobile phone having information display function for external device, and external device having mobile phone information display function - Google Patents

Abstract

(57) [Summary] An object of the present invention is to provide a mobile phone capable of enlarging and displaying content of a mobile phone on an external device in order to easily use various services using the mobile phone. An object of the present invention is to provide a telephone information display control method, a mobile telephone, and an external device. SOLUTION: Image information corresponding to a display screen (4a) of a display of a mobile phone (2) is converted into data that can be reproduced by a television receiver (1), and transmitted to the television receiver (1). The television receiver (1) processes the data received from the mobile phone (2) into a television video signal and converts the same image displayed on the display screen (4a) of the display of the mobile phone into the television receiver. Is displayed on the display screen (4b).

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information display control method for a mobile phone, a mobile phone having an information display function for an external device, and an external device having an information display function for the mobile phone. A mobile phone in which various information displayed on the display screen can be enlarged and displayed on the display screen of an external device such as a television receiver, so that the information displayed on the display screen of the mobile phone can be easily confirmed. And a mobile phone having an information display function for an external device, and an external device having an information display function for the mobile phone.

[0002]

2. Description of the Related Art In recent mobile phones, in addition to a normal call function, a mail communication function, an Internet connection function,
It is equipped with various functions such as a personal schedule management function.

Many of these functions are used by the user while observing the characters and images displayed on the screen of the mobile phone. Therefore, this type of mobile phone is equipped with a large display device. Things are widely available.

[0004]

However, the size of the display device of the mobile phone is naturally limited in order to ensure the portability of the mobile phone, and the characters and the like displayed on the display device have a certain size or more. You can't.

By the way, the user of this type of mobile phone is not only a user who can easily confirm small characters and the like displayed on the display screen of the mobile phone, but also a user who has poor eyesight and is difficult to recognize small characters and the like. Old people are also included.

As a result, even though there are various services using the display function of the mobile phone, the various services cannot be effectively used by a user with poor eyesight or an elderly person who has difficulty in recognizing small characters. There was a problem.

In particular, even if a mail is received using the mail communication function, in a display device of a mobile phone having a limited display screen, this can be displayed only with small characters, and the small characters are displayed. It was very difficult for an old man or the like to confirm the content of the received received mail on the limited display screen of the mobile phone.

Therefore, in order to solve this, the received mail of the mobile phone is transferred to a personal computer or the like,
A method of enlarging and confirming the content of the received mail on the display screen of the personal computer can be considered, but this is also difficult for a person who is unfamiliar with the operation of the personal computer.

Therefore, according to the present invention, the display information displayed on the display screen of the mobile phone is transmitted to an external device such as a television receiver which is familiar to us by a simple operation of the mobile phone, and the display information is displayed on the display screen of the mobile phone. Provided are an information display control method for a mobile phone capable of enlarging and confirming the displayed display information, a mobile phone having an information display function for an external device, and an external device having an information display function for the mobile phone. The purpose is to

[0010]

A method for controlling information display of a mobile phone according to the present invention converts display information displayed on a display device of the mobile phone into display information corresponding to a display device of an external device, and converts the display information. The display information corresponding to the display device of the external device is transmitted to the external device using the short-range communication means, and the external device displays the display information transmitted from the mobile phone on the display device of the external device in an enlarged manner. It is characterized by doing.

Here, the external device is a television receiver having a display device for receiving a television broadcast wave and displaying an image based on the television broadcast wave.

With such a configuration, a small image displayed on the display screen of the mobile phone is enlarged and displayed on a large screen of an external device such as a television receiver which is familiar to us by a simple user operation. It becomes possible to easily confirm.

Further, the portable telephone having the information display function for the external device of the present invention comprises a display information converting means for converting the display information displayed on the display device of the portable telephone into the display information corresponding to the display device of the external device. A display of the external device transmitted by the short-range communication unit, the short-range communication unit transmitting the display information corresponding to the display device of the external device converted by the display information conversion unit to the external device. The display information displayed on the display device of the mobile phone is enlarged and displayed on the display device of the external device based on the display information corresponding to the device.

Further, the external device having the information display function of the mobile phone according to the present invention comprises a short-range communication means for receiving display information transmitted from the mobile phone and displayed on the display device of the mobile phone, and the short-range communication. Display control means for enlarging and displaying the display information received by the means and displayed on the display device of the mobile phone.

Here, the external device is incorporated in a television receiver having a display device for receiving a television broadcast wave and displaying an image based on the television broadcast wave.

Further, the external device is connected as an external device to a television receiver having a display device for receiving a television broadcast wave and displaying an image based on the television broadcast wave. .

Further, the display control means includes display information conversion means for converting display information displayed on the display device of the mobile phone into a video display signal corresponding to the display device of the television receiver. And

[0018]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of an information display control method for a mobile phone, a mobile phone having an information display function for an external device and an external device having an information display function for the mobile phone according to the present invention will be described below with reference to the accompanying drawings. A detailed description will be given with reference.

FIG. 1 is a diagram conceptually illustrating an embodiment of an information display control system for a mobile phone to which the present invention is applied.

In FIG. 1, the display information corresponding to the content of the received mail received by using the mail communication function of the mobile phone 2 is transmitted to the television receiver (hereinafter referred to as the television receiver) 1. In this way, the content of the received mail is enlarged and displayed on the display unit 4a of the television receiver 1.

That is, in FIG. 1, the mobile telephone 2
Has an input operation section 2a, a display section 4a for displaying characters and figures on a liquid crystal display, and a connection section 2b for wirelessly connecting to the television receiver 1 by BlueTooth or the like.

Further, the television receiver 1 displays a television image received from a broadcast station (not shown) and a display unit for displaying an image displayed on the display unit 4a of the mobile phone 2 received from the mobile phone 2. 4b and a connection section 1a for wirelessly connecting to the mobile phone 2 by BlueTooth or the like.

When using this function, the user selects this function by operating the mobile phone 2.

As a result, the image information corresponding to the image displayed on the display unit 4a of the mobile phone 2 is transmitted to the connection unit 1a of the television receiver 1 via the connection unit 1a of the mobile telephone 2, and the television receiver 1 A screen having the same contents as the display unit 4a of the mobile phone 2 is displayed on the display unit 4b of.

Next, the configurations of the mobile phone 2 and the television receiver 1 for realizing the above functions will be described.

FIG. 2 is a block diagram showing an internal schematic configuration of the mobile phone 2 and the television receiver 1 shown in FIG.

In FIG. 2, the mobile phone 2 includes a mobile phone communication unit 21 and a control unit 2 for controlling the entire mobile phone 2.
2, a memory 26 for storing various programs and image data as display contents, an output unit 24 for displaying the contents stored in the memory 26 on the display unit 4a shown in FIG. 1, and a user interface 23. And an external communication interface 25.

Further, the television receiver 1 is the television receiver 1
It has a control unit 12 that performs overall control, a tuner 14, a display control unit 15, an external communication interface 11, a power supply control unit 17, an audio output unit 18, and a memory 13.

Here, the external communication interface 25 of the mobile phone 2 is the connection unit 2b of the mobile phone 2 shown in FIG.
Corresponding to the external communication interface 1 of the television receiver 1
Reference numeral 1 corresponds to the connection unit 1a of the television receiver 1 shown in FIG.

Further, the display controller 15 of the television receiver 1
Is the display unit 4 of the mobile phone 2 received from the mobile phone 2 in addition to the normal TV image received by the tuner 15.
The display of the content displayed in a is controlled.

An external communication interface 25 of the mobile phone 2 for connecting the mobile phone 2 and the television receiver 1
And the external communication interface 11 of the television receiver 1
It is possible to arbitrarily select and use a communication control system for short-distance wireless connection such as IrDA, Bluetooth, wireless LAN or the like, or a communication control system for wired connection such as USB or IEEE1394.

Next, the software configurations of the mobile phone 2 and the television receiver 1 will be described with reference to FIG.

The software configuration 200 of the mobile phone 2 shown in FIG. 3 is created by the content creation / playback application layer 201 for creating / playing back the content displayed on the display section 4a of the mobile phone 2 and the content creation / playback application layer 201. A conversion software layer 202 for converting the created content into TV display content, and various communication application layers 203 for controlling communication for sending the TV display content converted by the conversion software layer 202 to the TV receiver 1. It is formed of various communication driver layers 204 which are controlled by the communication application layer 203 and control communication of packet data.

On the other hand, the software configuration 100 on the television receiver 1 side includes various communication driver layers 101 for controlling communication of packet data transmitted from the mobile phone 2, and various communication application layers 102 for controlling the communication driver layer 101. , A restoration software layer 103 that restores the packet data controlled by the communication application layer 102 to contents for television display, and a restoration software layer 10
3 is formed by the reproduction application layer 104 that reproduces the television display content restored in 3.

Here, in the content creation / playback application layer 201 on the side of the mobile phone 2, "mailer", "P"
"IM (Personal Information Manager)", "mobile phone browser", "player (MPG4, etc.)", etc. are included, and the reproduction application layer 10 on the television receiver 1 side is included.
4 is "viewer (browser for TV receiver)",
"Player (playback service software)" and the like are included.

The communication driver layer 1 on the side of the mobile phone 2
01, the communication application layer 202, and the communication driver layer 101 and the communication application layer 102 on the television receiver 1 side are the types of connection between the mobile phone 2 and the television receiver 1, namely, USB connection, IEEE 1394 connection, and BlueTooth connection. , Each layer is formed corresponding to the wireless LAN connection and the IrDA connection.

The communication driver layer 1 on the side of the mobile phone 2
01, the communication application layer 202, and the communication driver layer 101 and the communication application layer 102 on the television receiver 1 side correspond to the connection configuration between the mobile phone 2 and the television receiver 1 when the connection configuration is determined. Only what is required is provided.

Next, a processing procedure of the function of reproducing the display content of the mobile phone 2 on the television receiver 1 will be described based on the configurations of the control unit and the software.

The activation of this function is performed by, for example, calling the menu screen shown in the screen 4a1 of FIG. 4A of the mobile phone 2 and selecting "start" on this menu screen to end this function. Can be configured by selecting "end" on this menu screen.

In order to realize this function, it is necessary that the power of the television receiver 1 is turned on. Therefore, the menu as shown on the screen 4a2 of FIG. A function may be added, and the power supply on the television receiver 1 side may be operated from the mobile phone 2 using this menu screen.

Furthermore, a menu function as shown in FIG. 4 (c) may be added to the mobile phone 2 so that the user can add a function for setting the display area of the television image and the content display area.

For example, the screen of the television receiver 1 may be vertically or horizontally divided into two, and the content may be displayed on one of the screens, or one of the screens may be displayed as a small sub-screen on a part of the TV screen. Several modes may be selectable.

FIG. 5 is a flow chart showing a processing procedure on the side of the mobile phone 2 for realizing the above function.

When the mobile phone 2 receives a content display request from the user to the television receiver 1, first, the content data being displayed on the display unit 4a of the mobile phone 2 is acquired (Step 1).

Next, the content reproduction software and the browser for reproduction on the television receiver 1 are determined (Step
2) Data conversion is performed by the TV content conversion software of the conversion software layer 202 of the mobile phone 2 (Step 3).

The communication application layer 203 creates packet data in which the data of the TV reproduction content subjected to the conversion process in Step 3 is formatted according to the connection form with the TV receiver 1 (Step 4).

Then, the packet data created in Step 4 is transmitted to the television receiver 1 via the communication driver of the communication driver layer 204 (Step 5).

Next, a display process when the television receiver 1 receives the television reproduction content from the mobile phone 2 will be described.

FIG. 6 is a flowchart showing the reproduction / display procedure on the television receiver 1 side.

The driver application program of the communication application layer 102 of the television receiver 1 is transferred to the mobile phone 2 via the communication driver of the communication driver layer 101.
Receives packet data from (Step 1).

Then, the data portion of the television reproduction content is extracted and combined from the packet data formatted by the television content restoration software of the restoration software layer 103, and restored for reproduction (Step 2).

Further, the TV display content restoration software determines which reproduction software is used to reproduce the restored TV display content (Step 3).

Next, the display form such as the size and position of the content displayed on the screen of the television receiver 1 is determined (St
ep4).

Then, the reproduction software determined in Step 3 or the content data restored in Step 3 and St
Frame data for television display is created based on the display mode determined in ep4 and sent to the display control unit 15 (Step
5).

Next, a method for exchanging data between the mobile phone 1 and the television receiver 2 will be described.

FIG. 7 is a sequence diagram of a normal system showing an outline of packet data transfer control between the mobile phone 2 and the television receiver 1.

The vertical axis is the time axis of the mobile phone 2 and the television receiver 1, and represents that time elapses from top to bottom.

The control of data transfer is roughly divided into a transmission start sequence, a transfer sequence, and a transmission end sequence.
Can be divided into the following configurations.

First, as a transfer start sequence, when the mobile phone 2 receives the display start of the content on the television receiver 2 via the user interface 23, it sends a packet data transmission start signal to the television receiver 1. To do.

The television receiver 1 receives the packet data transmission start signal, prepares for reception, and sends a response signal to the mobile phone 2.

Mobile phone 2 after receiving the transmission start response
Enters the transfer sequence and sequentially performs the transfer processing from the television display content packet data 1 to the television display content packet data n.

The television receiver 1 restores the content data by extracting a portion related to the content data from the received packet data and assembling the extracted content data.

On the other hand, the mobile phone 2 transmits the packet data transmission end notification to the television receiver 1 after transmitting the television display content packet data n.

The mobile phone 2 enters the transmission stop sequence after the last packet data is transmitted.

Then, the mobile phone 2 which has entered the transmission end sequence sends a transmission end notification to the television receiver 1.

Upon receiving the packet data transmission end signal, the television receiver 1 sends a response signal to the mobile phone 2.

As described above, the sequence diagram of FIG. 7 shows the processing of the normal system, and the description regarding the abnormal system processing such as the transmission / reception error and the loss of the transmission packet is omitted.

Therefore, in the packet data transfer sequence, the reception response is returned to the mobile phone 2 side, the reception result is added to the response signal, the response time is monitored by the timer, the packet data is retransmitted, etc. May be added.

Next, FIG. 8 shows a block diagram of another embodiment of the present invention.

FIG. 8 is a diagram conceptually explaining another embodiment of the information display control system for a mobile phone to which the present invention is applied. In this embodiment, the present invention is applied to the conventional television receiver 5. The content display device 6 is configured by connecting the functions related to the content display described above as the content display device 6.

That is, the content display device 6 of FIG.
Has a function in which the hardware and software necessary for displaying the contents of the television receiver 1 shown in FIG. 1 are independent.

Here, the connection between the television receiver 5 and the content display device 6 is as shown in FIG.
By connecting the video signal output unit 64 of the content display device 6 to the external video input unit 51 of the above, and the audio signal output unit 65 of the content display device 6 to the external audio input unit 52 of the television receiver 5, respectively. Be seen.

The connection between the mobile phone 2 and the display device 6 is, for example, a wireless connection by BlueTooth, as in FIG.

According to the above-described embodiment, the conventional television receiver with the external input terminal has an advantage that the present invention can be realized without changing the television receiver itself.

Further, in the software configuration of FIG. 3, the configuration indicated by 100 is the software configuration with the content generation device 6.

The software configuration 2 of the mobile phone 2
A part of the conversion software layer 202 in 00 may be included in the software configuration of the content display device 6.

The contents displayed on the screen of the television receiver described in the above embodiment are the contents displayed on the mobile phone 2 when the user makes a display request.

On the other hand, when the mobile phone 2 uses a distribution service such as moving images, it is desirable that the display on the television receiver is also processed in parallel in real time. Therefore, FIGS. 7 and 5 can be modified as follows.

That is, in the transfer sequence of FIG. 7, the mobile telephone 2 which receives the response signal of the transmission start signal from the television receiver 1 repeatedly executes the processing of Step 1 to Step 5 in FIG. 5 at a constant time interval. To do.

Here, the interval of the above repetitive processing is appropriately set and processed in consideration of the communication speed between the mobile phone and the television receiver, the reproduction processing speed on the television receiver side, and the like.

Therefore, the packet data of the TV display content is in a sequence of being continuously sent from the mobile phone to the TV receiver while the series of processes from Step 1 to Step 5 in FIG. 5 is repeated.

The packet data transmission end notification shown in FIG. 7 is a sequence that is sent after sending all the packet data, but in this case, it is a sequence that is not sent until the user issues a display stop request. .

In the process of acquiring display content data on the mobile phone side in Step 1 of FIG. 5, each process is compared with the previously processed content, and if the same, the data transmission is omitted or compressed in MPEG4 format. In the case of the created moving image content, a process of transmitting only the difference data may be performed.

A mobile telephone, a television receiver, or a television receiver to which the content generation device is connected, and a program created based on a processing procedure, a sequence, and a software configuration are applied to display on the mobile telephone. It is possible to display and reproduce the stored content on the screen of the television receiver connected to the mobile phone.

Further, it goes without saying that other than the above-described embodiments, the present invention can be appropriately modified without departing from the gist of the present invention.

[0086]

As described above in detail, according to the present invention,
Characters and images that are difficult to see on the display screen of mobile phones,
A large and easy-to-see image can be displayed on the image display section of the television receiver.

Further, since the television receiver and the mobile phone which are familiar to us on a daily basis are used, the service provided to the mobile phone can be used by an easy operation.

[Brief description of drawings]

FIG. 1 is a connection configuration diagram of a mobile phone and a television receiver according to a first embodiment of the present invention.

FIG. 2 is a block diagram showing control units of the mobile phone and the television receiver according to the first embodiment of the present invention.

FIG. 3 is a software configuration diagram of the mobile phone and the television receiver according to the first embodiment of the present invention.

FIG. 4 is a flowchart showing a content conversion processing procedure on the mobile phone side according to the first embodiment of the present invention.

FIG. 5 is a flowchart showing a content display processing procedure on the television receiver side according to the first embodiment of the present invention.

FIG. 6 is a sequence diagram showing data exchange between the mobile phone and the television receiver according to the first embodiment of the present invention.

FIG. 7 is a connection configuration diagram of a mobile phone, a mobile phone content display device, and a television receiver according to a second embodiment of the present invention.

FIG. 8 is a block diagram showing a control configuration of the device in FIG. 7 of the second embodiment according to the present invention.

FIG. 9 is an image diagram showing a menu screen of the mobile phone according to the first to third embodiments of the present invention.

[Explanation of symbols]

1, 5 ... TV receiver, 4b ... display area of television receiver, 15 ... Output part, 14 ... Tuner, 11 ... External communication interface, 12 ... control unit, 13 ... memory, 52 ... External video input terminal of the television receiver 51 ... External audio input terminal of TV receiver 2 ... mobile phone, 4a ... display area of mobile phone, 24 ... Output unit, 23 ... User interface, 25 ... External communication interface, 22 ... control unit, 26 ... memory, 6 ... Display data generation device, 61 ... External interface, 62 ... control unit, 64 ... Video signal output section, 65 ... Audio signal output section, 63 ... memory.

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Claims (8)

[Claims] 1. Display information displayed on a display device of a mobile phone is converted into display information corresponding to a display device of an external device, and the converted display information corresponding to the display device of the external device is subjected to near field communication. And transmitting the display information transmitted from the mobile phone to a display device of the external device in an enlarged manner, the information display control method of the mobile phone. 2. The television receiver according to claim 1, wherein the external device has a display device that receives a television broadcast wave and displays an image based on the television broadcast wave. Mobile phone information display control method 3. Display information conversion means for converting display information displayed on the display device of the mobile phone into display information corresponding to the display device of the external device, and display of the external device converted by the display information conversion means. A mobile phone having an information display function for an external device, comprising: a short-range communication means for transmitting display information corresponding to the device to the external device. 4. The television receiver according to claim 3, wherein the external device has a display device that receives a television broadcast wave and displays an image based on the television broadcast wave. A mobile phone having an information display function for an external device. 5. A near field communication means for receiving display information displayed on the display device of the mobile phone transmitted from the mobile phone, and display information displayed on the display device of the mobile phone received by the near field communication means. An external device having an information display function of a mobile phone, comprising: a display control unit that magnifies and displays. 6. The television receiver having a display device for receiving a television broadcast wave and displaying an image based on the television broadcast wave, wherein the external device is built in the television receiver. External device having the information display function of the mobile phone. 7. The external device is connected as an external device to a television receiver having a display device that receives a television broadcast wave and displays an image based on the television broadcast wave. An external device having the information display function of the mobile phone according to claim 5. 8. The display control means comprises display information conversion means for converting display information displayed on the display device of the mobile phone into a video display signal corresponding to the display device of the television receiver. An external device having the information display function of the mobile phone according to claim 6.