JP2006325092A - Telephone communication system, telephone communication method, relay server and mobile phone - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To perform a videophone call with a mobile phone having a videophone function in an easy manner without needing another communication terminal used with the mobile phone by using the mobile phone having no videophone function. <P>SOLUTION: A relay server 21 separates voice data from moving image data in data in a videophone data format transmitted from first mobile phone 23 and 25 having a videophone function and transmits the voice data to second mobile phones 24 and 26 having no videophone function. On the other hand, the relay server 21 selects one frame at optional timing as still image data from the moving image data and transmits the still image data to the second mobile phones 24 and 26 during communication or before communication. In addition, the relay server 21 receives, from the second mobile phones 24 and 26, the voice data from the second mobile phones 24 and 26 and still image data preregistered in the second mobile phones 24 and 26, composites them and transmits them to the first mobile phones 23 and 25. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a mobile phone communication system, a telephone communication method, a relay server, and a mobile phone, and in particular, audio and image data between a mobile phone having a so-called videophone function and a mobile phone not having a videophone function. The present invention relates to a mobile phone communication system, a telephone communication method, a relay server, and a mobile phone that enable communication.

  In recent years, there has been known a mobile phone having a videophone function that has a communication function of voice and moving picture data, a moving picture shooting function, and a moving picture reproduction display function, and simultaneously transfers shot moving picture data and voice data. Yes. A cellular phone communication system that can freely perform a videophone function is becoming widespread among mobile phones having the videophone function.

  By the way, mobile phones that have a communication function for voice and still image data but do not have a videophone function but do not have a videophone function are also frequently used. Between a mobile phone that does not have a videophone function and a mobile phone that has a videophone function, even if one has a videophone function, the other does not have a videophone function. The videophone function cannot be used.

  Therefore, a telephone communication system is known that enables a videophone call between a mobile phone having a videophone function and a mobile phone not having a videophone function (see, for example, Patent Document 1). As shown in FIG. 14, the telephone communication system 110 includes a service center having a call agent 101 that performs call control on a telephone terminal that is a communication partner, and a media converter 102 that converts image data and audio data. 121 is provided. The telephone communication system 110 includes a public communication terminal 108 that includes the display device 107 and the camera 109 and is connected to the service center 121 via the Internet or the like.

  In addition, the first telephone terminal 123 has a communication function for audio data and image data, a moving image shooting function, and a function for compressing / decompressing and playing back a captured moving image. Can be exchanged at the same time. Compared to the first telephone terminal 123, the second telephone terminal 124 does not have at least one function of a moving image shooting function and a function of compressing / decompressing and reproducing and displaying the captured moving image. Or even if it has these functions, it does not have a function of exchanging moving image data and audio data simultaneously.

  When a videophone call is made between the first telephone terminal 123 and the second telephone terminal 124, the call agent 101 activates the public communication terminal 108 to communicate video data to the media converter 102. Make it possible. Then, the voice data from the second telephone terminal 124 and the moving picture data photographed by the camera 109 of the public communication terminal 108 are synthesized and transmitted to the first telephone terminal 123. Also, the audio data and image data from the first telephone terminal 123 are separated, the separated audio data is sent to the second telephone terminal 124, and the separated video data is sent to the display device 107 of the public communication terminal 108. send.

Thus, a videophone call can be made between the first telephone terminal 123 having a videophone function and the second telephone terminal 124 having no videophone function.
JP 2004-229270 A

  However, in the telephone communication system 110 disclosed in Patent Document 1, a public communication terminal 108 is always prepared separately from the telephone terminal 124 in order to make a videophone call using the telephone terminal 124 that does not have a videophone function. There is a need.

  In addition, in order to make a videophone call with the telephone terminal 124 that does not have a videophone function, the user must always go to the public communication terminal 108. If there is no public communication terminal 108 in the surrounding area, the public communication This is very inconvenient because the location of the terminal 108 must be found and moved to that location.

  The present invention has been made in view of such a point, and an object of the present invention is to use a mobile phone that does not have a videophone function, without requiring another communication terminal to be used with the mobile phone. Another object of the present invention is to enable a simple videophone call with a mobile phone having a videophone function.

  In order to achieve the above object, according to the present invention, voice and image data can be transmitted and received by exchanging still images with a mobile phone not having a videophone function, and a pseudo-videophone I was able to do.

Specifically, the first invention is directed to a telephone communication system in which at least a voice call is made between a first mobile phone and a second mobile phone via a relay server,
The first mobile phone has a videophone function,
The second mobile phone has a voice and still image data communication function, but does not have a videophone function.
The above relay server
Of the data in the videophone data format transmitted from the first mobile phone, audio data and video data are separated and the audio data is transmitted to the second mobile phone, while at any timing from the video data. One frame is selected as still image data, and the still image data is transmitted to the second mobile phone during or before a call,
Audio data from the second mobile phone and still image data registered in advance in the second mobile phone are received and combined, and transmitted to the first mobile phone.

  According to the above configuration, the relay server separates the moving image data from the audio data, moving image data and other data transmitted from the first mobile phone having a so-called videophone function, and an arbitrary frame of the moving image data. Is selected as still image data, and this still image data is transmitted during or before a call to a second mobile phone having no videophone function. On the other hand, the still image data is registered in advance in the second mobile phone, and the relay server receives and synthesizes the audio data from the second mobile phone and the registered still image data, and the first Send to mobile phone. In this manner, a videophone call is made between the second mobile phone having no videophone function and the first mobile phone having the videophone function.

  In the second invention, the relay server is configured to request the second mobile phone to transmit a still image registered in the second mobile phone in advance.

  According to the above configuration, when the first mobile phone having the videophone function makes a call to the second mobile phone that does not have the videophone function, the relay server sends the call to the second mobile phone. , Request to send a still image to use the videophone function. Then, a still image registered in advance in the second mobile phone is transmitted so that the second mobile phone responds to the request.

In a third aspect, the first mobile phone includes an image transmission key for requesting the relay server to transmit a still image at that time to the second mobile phone when operated during a call. ,
The relay server is configured to select still image data from the moving image data at that time in response to the request and transmit the still image data to the second mobile phone.

  According to the above configuration, when the image transmission key of the first mobile phone is operated, the user's favorite still image data is selected by the relay server, and the still image is transmitted from the relay server to the second mobile phone. Is done.

The fourth invention is directed to a telephone communication method in which at least a voice call is made between the first mobile phone and the second mobile phone via a relay server,
Providing a first mobile phone having a videophone function, a second mobile phone having a voice and still image data communication function but not a videophone function, and the relay server;
The relay server separating audio data and video data out of videophone data format data transmitted from the first mobile phone;
The relay server transmits the audio data to the second mobile phone, while selecting one frame at an arbitrary timing from the moving image data as still image data and using the still image data during or before a call. Transmitting to the mobile phone of 2;
The relay server receives voice data from the second mobile phone and still image data pre-registered in the second mobile phone from the second mobile phone and combines them;
The relay server transmitting the combined data to the first mobile phone.

  According to the above configuration, the relay server separates the moving image data from the audio data, moving image data and other data transmitted from the first mobile phone having the videophone function, and any one frame of the moving image data is obtained. This still image data is selected as still image data, and this still image data is transmitted to the second mobile phone having no videophone function during or before a call. On the other hand, the still image data is registered in advance in the second mobile phone, and the relay server receives and synthesizes the audio data from the second mobile phone and the registered still image data, and the first Send to mobile phone. In this manner, a videophone call is made between the second mobile phone having no videophone function and the first mobile phone having the videophone function.

  In a fifth aspect of the invention, the relay server includes a step of requesting the second mobile phone to transmit a still image registered in the second mobile phone in advance.

  According to the above configuration, when the first mobile phone having the videophone function makes a call to the second mobile phone that does not have the videophone function, the relay server sends the call to the second mobile phone. , Request to send a still image to use the videophone function. Then, a still image registered in advance in the second mobile phone is transmitted so that the second mobile phone responds to the request.

  In the sixth invention, the first mobile phone requests the relay server to transmit the still image at that time to the second mobile phone during a call, and the relay server requests the The step of selecting still image data from the moving image data and transmitting the selected still image data to the second mobile phone.

  According to the above configuration, when the first mobile phone requests to send the still image at that time to the relay server, the still image selected by the relay server is transmitted to the second mobile phone.

The seventh invention is directed to a relay server that relays at least a voice call between a first mobile phone and a second mobile phone,
This relay server separates audio data and video data from the videophone data format data from the first mobile phone having a videophone function, and uses one frame at an arbitrary timing from the video data as a still image. Select
The second mobile phone has a voice and still image data communication function, and transmits the voice data to the second mobile phone that does not have a videophone function, and the still image data is used during or before a call. To
The voice data from the second mobile phone and the still image data registered in advance in the second mobile phone are received from the second mobile phone, synthesized, and transmitted to the first mobile phone. Has been.

  According to the above configuration, the relay server separates the moving image data from the audio data, moving image data and other data transmitted from the first mobile phone having the videophone function, and any one frame of the moving image data is obtained. This still image data is selected as still image data, and this still image data is transmitted to the second mobile phone having no videophone function during or before a call. On the other hand, the still image data is registered in advance in the second mobile phone, and the relay server receives and synthesizes the audio data from the second mobile phone and the registered still image data, and the first Send to mobile phone. In this manner, a videophone call is made between the second mobile phone having no videophone function and the first mobile phone having the videophone function.

  In an eighth invention, the relay server is configured to request the second mobile phone to transmit a still image registered in the second mobile phone in advance.

  According to the above configuration, when the first mobile phone having the videophone function makes a call to the second mobile phone that does not have the videophone function, the relay server sends the call to the second mobile phone. , Request to send a still image to use the videophone function. Then, a still image registered in advance in the second mobile phone is transmitted so that the second mobile phone responds to the request.

  In the ninth invention, when the relay server requests the first mobile phone to transmit the still image at that time to the second mobile phone during the call, the relay server uses the moving image data at that time. It is configured to select still image data and transmit it to the second mobile phone.

  According to the above configuration, when the first mobile phone requests to send the still image at that time to the relay server, the still image selected by the relay server is transmitted to the second mobile phone.

The tenth invention is directed to a mobile phone that performs voice and image data communication via a relay server.
While this mobile phone has a voice and still image data communication function, it does not have a videophone function.
In response to a request from the relay server, a pre-registered still image is transmitted to the relay server,
Of the data in the videophone data format from a mobile phone having a videophone function, the relay server is configured to receive still image data and audio data selected from moving image data.

  According to the above configuration, still image data is transmitted together with audio data in response to a request from the relay server even if it does not have a videophone function, and is transmitted from a mobile phone having a videophone function via the relay server. By receiving the still image data and the audio data that have been received, a simple videophone call is made to a mobile phone having a videophone function.

  In the eleventh invention, the still image transmitted from the relay server is displayed on the liquid crystal display unit of the mobile phone during a call.

  According to the above configuration, a pseudo-videophone call is made by displaying a still picture selected by the relay server from among the moving pictures transmitted from the mobile phone having the videophone function.

The twelfth invention is directed to a mobile phone that performs voice and image data communication via a relay server.
This mobile phone has a videophone function,
An image transmission key for requesting the relay server to transmit the still image at that time to the communication partner by operating during a call is provided.

  According to the above configuration, since the image transmission key is provided, a pseudo-videophone call is made by requesting the appropriate transmission of a still image even with a mobile phone having no videophone function. .

  The thirteenth invention is directed to a telephone communication system in which a first mobile phone and a second mobile phone make a voice call at least.

The first mobile phone has a videophone function,
The second mobile phone has a voice and still image data communication function, but does not have a videophone function.
The second mobile phone separates audio data and video data from the data in the videophone data format transmitted from the first mobile phone, and outputs the audio data from the receiving speaker, while video data 1 frame at an arbitrary timing is selected as still image data, the still image data is displayed on the liquid crystal display unit of the second mobile phone,
The first mobile phone receives audio data transmitted from the second mobile phone and still image data registered in advance in the second mobile phone, and displays the received still image on the liquid crystal display unit. However, the audio data is output from the receiving speaker.

  According to the above configuration, since the second mobile phone does not have a videophone function, audio data and video data are separated from the videophone data format data transmitted from the first mobile phone. . Then, while outputting the audio data from the receiving speaker as usual, arbitrary still image data is selected from the moving image data, and the selected still image data is displayed on the liquid crystal display unit. On the other hand, the first mobile phone having a videophone function receives audio data transmitted from the second mobile phone and still image data registered in advance in the second mobile phone. The first mobile phone has a moving image playback function. In this case, while the received still image is displayed on the liquid crystal display unit, the voice data is output from the receiving speaker to make a call.

  In a fourteenth aspect, the first mobile phone is configured to request the second mobile phone to transmit a still image registered in the second mobile phone in advance. .

  According to the above configuration, when a call is made between the first mobile phone having the videophone function and the second mobile phone not having the videophone function, the first mobile phone makes a call to the second mobile phone. Request to send a still image to use the videophone function. Then, a still image registered in advance in the second mobile phone is transmitted so that the second mobile phone responds to the request.

The fifteenth invention is directed to a mobile phone that has a voice and still image data communication function and at least makes a voice call with another mobile phone that does not have a videophone function,
This mobile phone has a videophone function,
Send audio data and video data to the other mobile phone in the videophone data format,
Configuration to request the other mobile phone to transmit still image data registered in advance to the other mobile phone, and to receive audio data and the still image data from the other mobile phone Has been.

  According to the above configuration, when a call is made with a mobile phone that does not have a videophone function without using a relay server having a special function, the video data is transmitted together with the audio data and the videophone function is provided. A videophone call is made in a pseudo manner by requesting still image data from the mobile phone not to display the displayed still image data.

  According to a sixteenth aspect of the invention, there is provided an image transmission key that is operated during a call to select a still image at that time from the moving image data and request the communication partner to display it on the liquid crystal display unit.

  According to the above configuration, since the image transmission key is provided, the user's favorite still image is appropriately displayed on the liquid crystal display unit of the other party.

In the seventeenth aspect, the present invention is directed to a mobile phone that makes at least a voice call with another mobile phone having a videophone function,
While it has a voice and still image data communication function, it does not have a videophone function.
In response to a request from the other mobile phone, a pre-registered still image is transmitted to the other mobile phone,
Separate audio data and video data from videophone data format data from other mobile phones,
Audio data is output from the receiving speaker, and for moving image data, one frame at an arbitrary timing is selected as a still image and displayed on the liquid crystal display unit.

  According to the above configuration, since there is no function to simultaneously transmit and receive moving image data and audio, a pre-registered still image is transmitted to another mobile phone in response to a request from a mobile phone having another videophone function To do. On the other hand, audio data and moving image data are separated from videophone data format data from other mobile phones, audio data is output from the receiving speaker as usual, and one frame of arbitrary timing for moving image data is a still image. Is selected and displayed on the liquid crystal display.

In an eighteenth aspect, the present invention is directed to a mobile phone that makes at least a voice call with another mobile phone having a videophone function,
While it has a voice and video data communication function, it does not have a video shooting function and video playback display function during a call,
Generate video data with the same image from pre-registered still images and convert it to videophone data format along with audio data from the microphone.
Send it to the other mobile phone,
Separate audio data and video data from videophone data format data from other mobile phones,
Audio data is output from the receiving speaker, and for moving image data, one frame at an arbitrary timing is selected as a still image and displayed on the liquid crystal display unit.

  According to the above configuration, even if a mobile phone having a normal videophone function is not provided with a special mechanism, a videophone function is provided only by a mobile phone that does not have a video shooting function and a video playback display function during a call. An operation to perform is performed. In other words, it has a voice and video data communication function, but does not have a video shooting function during a call, so it generates video data in which the same image continues from a pre-registered still image, and voice data from the microphone At the same time, it is converted into a videophone data format exchanged between mobile phones having a normal videophone function, and transmitted to another mobile phone. On the other hand, since there is no video playback function during a call, audio data and video data are separated from videophone data format data from other mobile phones, and audio data is output from the receiving speaker as usual. For data, one frame at an arbitrary timing is selected as a still image and displayed on the liquid crystal display unit.

  As described above, according to the present invention, even if a mobile phone does not have a videophone function, a videophone can be simplified by exchanging still images with a mobile phone having a videophone function. You can make a call.

  In addition, an image transmission key is provided on the mobile phone side having a videophone function to request that a still image at that time is transmitted to a communication partner by operating during a call, and a user's favorite still image is appropriately displayed as a call partner. By displaying on the liquid crystal display unit, it is possible to make a videophone call more comfortably.

  Furthermore, depending on the case, a videophone call can be simply performed without providing a new function to the mobile phone and using a relay server.

  In addition, even a mobile phone that has a voice and video data communication function but does not have a video shooting function and a video playback display function during a call can be easily connected to a mobile phone having a video phone function. You can make phone calls.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1)
FIG. 1 shows a configuration of a telephone communication system 10 of the present invention. The cellular phones 23 and 25 as first telephone terminals have a voice and moving image data communication function, a moving image shooting function, and a moving image reproduction display function, and have a so-called videophone function.

  The mobile phones 24 and 26 as the second mobile terminals do not have a function of simultaneously transmitting and receiving moving image data and sound, and do not have a videophone function. The mobile phones 24 and 26 have a function of taking a still image, and are configured to register a still image taken in advance by a camera (not shown) that the mobile phone 24 and 26 have in advance and transmit it in response to a request from the relay server 21. ing. The mobile phones 24 and 26 may have a voice and moving image data communication function and a moving image shooting function.

  The relay server 21 can communicate with each of the mobile phones 23 to 26 through the mobile phone communication network 22 and relays at least the audio data of the audio data and the image data when making a call between the mobile phones 23 to 26. It is configured to be able to go and talk.

-Driving action-
Next, the operation of the telephone communication system 10 configured as described above will be described.

  First, FIG. 2 shows a configuration example of a packet that is a basic unit of data that is generally transmitted and received during a videophone call between mobile phones 23 and 25 having a videophone function. The packet includes image data and audio data. Data for one frame of a moving image is transmitted and received by being divided into a plurality of temporally continuous packets. Also, audio data within a certain period of time is transmitted and received by being divided into a plurality of temporally continuous packets.

  Next, FIG.3 and FIG.4 shows the operation | movement of the telephone communication system 10 as a flowchart. The operation of the telephone communication system 10 can be divided into four types according to the combination of the mobile phones 23 to 26 that are going to make a videophone call, and will be described in order.

(1) When the mobile phone 23 having the videophone function makes a call to the mobile phone 25 having the same videophone function In S1, since the caller mobile phone 23 has the videophone function, the process proceeds to S2.

  In S2, since the destination mobile phone 25 has a videophone function, the process proceeds to S3.

  In S3, since it is a videophone call between the mobile phones 23 and 25 having the videophone function, the data conversion is not performed in the relay server 21, and the mobile phones 23 and 25 transmit the video data and the audio data as they are. Exchange and make a videophone call.

(2) When the mobile phone 23 having the videophone function makes a call to the mobile phone 24 having no videophone function In S1, since the caller mobile phone 23 has the videophone function, the process proceeds to S2.

  In S2, since the destination mobile phone 24 does not have a videophone function, the process proceeds to S4.

  In S4, the relay server 21 requests the mobile phone 24 to transmit a still image registered in the mobile phone 24 in advance to the relay server 21, and proceeds to S5.

  In S5, the cellular phone 24 transmits the still image requested from the relay server 21 to the relay server 21, and proceeds to S6.

  In S6, the relay server 21 selects any one frame of the moving image data sent from the mobile phone 23, transmits it as a still image to the mobile phone 24, and proceeds to S7.

  In S <b> 7, the relay server 21 synthesizes the audio data from the mobile phone 24 and the still image transmitted from the mobile phone 24 in S <b> 5 and transmits the synthesized image to the mobile phone 23. Further, the audio data and the moving image data from the mobile phone 23 are separated, and only the audio data is transmitted to the mobile phone 24. In addition, the cellular phone 24 displays the still image data transmitted from the relay server 21 in S6 on the liquid crystal display unit 27. While the mobile phone 23 and the mobile phone 24 are talking, the process of S7 is repeated.

(3) When the mobile phone 24 having no videophone function makes a call to the mobile phone 23 having the videophone function In S1, since the caller mobile phone 24 does not have a videophone function, the process proceeds to S8.

  In S8, since the destination mobile phone 23 has a videophone function, the process proceeds to S9.

  In S9, the relay server 21 requests the mobile phone 24 to transmit a still image registered in the mobile phone 24 in advance to the relay server 21, and the process proceeds to S10.

  In S10, the cellular phone 24 transmits the still image requested from the relay server 21 to the relay server 21, and proceeds to S11.

  In S11, the relay server 21 selects any one frame of the moving image data sent from the mobile phone 23, transmits it as a still image to the mobile phone 24, and proceeds to S12.

  In S <b> 12, the relay server 21 synthesizes the audio data from the mobile phone 24 and the still image transmitted from the mobile phone 24 in S <b> 10 and transmits the synthesized image to the mobile phone 23. Further, the audio data and the moving image data from the mobile phone 23 are separated, and only the audio data is transmitted to the mobile phone 24. In addition, the cellular phone 24 displays the still image data transmitted from the relay server 21 in S11 on the liquid crystal display unit 27. While the mobile phone 23 and the mobile phone 24 are talking, the process of S12 is repeated.

  (4) When the mobile phone 24 not having the videophone function makes a call to the mobile phone 26 having no videophone function.

  In S1, since the source mobile phone 24 does not have a videophone function, the process proceeds to S8.

  In S8, since the destination mobile phone 26 does not have a videophone function, the process proceeds to S13.

  In S13, the relay server 21 requests the mobile phone 24 to transmit the still image registered in the mobile phone 24 in advance to the relay server 21, and the process proceeds to S14.

  In S14, the mobile phone 24 transmits the still image requested from the relay server 21 to the relay server 21, and proceeds to S15.

  In S15, the relay server 21 requests the mobile phone 26 to transmit a still image registered in the mobile phone 26 in advance to the relay server 21, and proceeds to S16.

  In S16, the mobile phone 26 transmits the still image requested from the relay server 21 to the relay server 21, and proceeds to S17.

  In S17, the relay server 21 transmits the still image received from the mobile phone 24 in S14 to the mobile phone 26. In S16, the still image received from the mobile phone 26 is transmitted to the mobile phone 24.

  In S <b> 18, the relay server 21 transmits the audio data from the mobile phone 24 to the mobile phone 26. Also, the audio data from the mobile phone 26 is transmitted to the mobile phone 24. Further, the cellular phone 24 displays the still image data transmitted from the relay server 21 in S17 on the liquid crystal display unit 27. Further, the cellular phone 26 displays the still image data transmitted from the relay server 21 in S17 on the liquid crystal display unit 27. While the cellular phone 24 and the cellular phone 26 are talking, the operation in S18 is repeated.

-Effect of Embodiment 1-
Therefore, according to the telephone communication system 10 according to the present embodiment, even if a mobile phone does not have a videophone function, it can be easily obtained by exchanging still images with a mobile phone having a videophone function. You can make a videophone call.

(Embodiment 2)
5 to 8 show flowcharts of the operation of the telephone communication system 10 according to the second embodiment of the present invention. The same parts as those in FIGS. 1 to 4 are denoted by the same reference numerals, and detailed description thereof is omitted.

  That is, the configuration of the telephone communication system 10 is the same as that of the first embodiment, but the mobile phones 23 and 25 request the relay server 21 to transmit the still image at that time to the other party by operating during a call. The second embodiment is different from the first embodiment in that an image transmission key (not shown) is provided.

-Driving action-
Next, the operation of the telephone communication system 10 according to the present embodiment will be described.

  The operation of the telephone communication system 10 can be divided into four types according to the combination of the mobile phones 23 to 26 that are going to make a videophone call, and will be described in order.

(1) When the mobile phone 23 having the videophone function makes a call to the mobile phone 25 having the same videophone function In S21, since the caller mobile phone 23 has the videophone function, the process proceeds to S22.

  In S22, since the destination mobile phone 25 has a videophone function, the process proceeds to S23.

  In S23, since it is a videophone call between mobile phones having a videophone function, data conversion is not performed in the relay server 21, and the mobile phones exchange video data and audio data as they are. Make a call.

(2) When the mobile phone 23 having the videophone function makes a call to the mobile phone 24 having no videophone function In S21, since the caller mobile phone 23 has the videophone function, the process proceeds to S22.

  In S22, since the destination mobile phone 24 does not have a videophone function, the process proceeds to S24.

  In S24, the relay server 21 requests the mobile phone 24 to transmit a still image registered in the mobile phone 24 in advance to the relay server 21, and the process proceeds to S25.

  In S25, the cellular phone 24 transmits the still image requested from the relay server 21 to the relay server 21, and proceeds to S26.

  In S26, the relay server 21 selects the first frame of the moving image data sent from the mobile phone 23, transmits it to the mobile phone 24 as a still image, and proceeds to S27.

  Details of the processing in S27 are shown in FIG.

  In S <b> 40, the relay server 21 synthesizes the audio data from the mobile phone 24 and the still image transmitted from the mobile phone 24 in S <b> 25 and transmits the synthesized image to the mobile phone 23. Further, the audio data and the moving image data from the mobile phone 23 are separated, and only the audio data is transmitted to the mobile phone 24. Further, the cellular phone 24 displays the still image data transmitted from the relay server 21 most recently on the liquid crystal display unit 27. Next, the process proceeds to S41.

  In S41, the relay server 21 determines whether or not the call has ended. If it has not ended, the process proceeds to S42.

  In S <b> 42, the relay server 21 determines whether the image transmission key is pressed on the mobile phone 23. If it is determined that the image transmission key is pressed, the process proceeds to S43. If it is determined that the button is not pressed, the process returns to S40.

  In S43, the relay server 21 transmits the latest one frame image of the image data from the mobile phone 23 received so far to the mobile phone 24 as a still image. Thereafter, the process returns to S40.

(3) When the mobile phone 24 not having the videophone function makes a call to the mobile phone 23 having the videophone function In S21, since the caller mobile phone 24 does not have the videophone function, the process proceeds to S28.

  In S28, since the destination mobile phone 23 has a videophone function, the process proceeds to S29.

  In S29, the relay server 21 requests the mobile phone 24 to transmit the still image registered in the mobile phone 24 in advance to the relay server 21, and the process proceeds to S30.

  In S30, the cellular phone 24 transmits the still image requested from the relay server 21 to the relay server 21, and proceeds to S31.

  In S31, the relay server 21 selects the first frame of the moving image data sent from the mobile phone 23, transmits it to the mobile phone 24 as a still image, and proceeds to S32.

  Details of the processing in S32 are shown in FIG.

  In S <b> 50, the relay server 21 synthesizes the audio data from the mobile phone 24 and the still image transmitted from the mobile phone 24 in S <b> 30 and transmits the synthesized image to the mobile phone 23. Further, the audio data and the moving image data from the mobile phone 23 are separated, and only the audio data is transmitted to the mobile phone 24. Further, the cellular phone 24 displays the still image data transmitted from the relay server 21 most recently on the liquid crystal display unit 27. Next, the process proceeds to S51.

  In S51, the relay server 21 determines whether or not the call is finished, and if not finished, the process proceeds to S52.

  In S <b> 52, the relay server 21 determines whether the image transmission key is pressed on the mobile phone 23. If it is determined that the image transmission key is pressed, the process proceeds to S53. If it is determined that the button is not pressed, the process returns to S50.

  In S53, the relay server 21 transmits the latest one frame image of the image data from the mobile phone 23 received so far to the mobile phone 24 as a still image. Thereafter, the process returns to S50.

(4) When the mobile phone 24 that does not have the videophone function makes a call to the mobile phone 26 that also does not have the videophone function In S21, since the caller mobile phone 24 does not have the videophone function, go to S28 move on.

  In S28, since the destination mobile phone 26 does not have a videophone function, the process proceeds to S33.

  In S33, the relay server 21 requests the mobile phone 24 to transmit the still image registered in the mobile phone 24 in advance to the relay server 21, and proceeds to S34.

  In S34, the cellular phone 24 transmits the still image requested from the relay server 21 to the relay server 21, and proceeds to S35.

  In S35, the relay server 21 requests the mobile phone 26 to transmit a still image registered in the mobile phone 26 in advance to the relay server 21, and the process proceeds to S36.

  In S36, the cellular phone 26 transmits the still image requested from the relay server 21 to the relay server 21, and proceeds to S37.

  In S37, the relay server 21 transmits the still image received from the mobile phone 24 in S34 to the mobile phone 26. In S36, the still image received from the mobile phone 26 is transmitted to the mobile phone 24.

  In S <b> 38, the relay server 21 transmits the audio data from the mobile phone 24 to the mobile phone 26. Also, the audio data from the mobile phone 26 is transmitted to the mobile phone 24. Further, the cellular phone 24 displays the still image data transmitted from the relay server 21 in S37 on the liquid crystal display unit 27. Further, the cellular phone 26 displays the still image data transmitted from the relay server 21 in S37 on the liquid crystal display unit 27. While the mobile phone 24 and the mobile phone 26 are talking, the process of S38 is repeated.

-Effect of Embodiment 2-
Therefore, according to the telephone communication system 10 according to the present embodiment, the desired still image data among the moving image data photographed by the mobile phones 23 and 25 having the videophone function can be transmitted by appropriately operating the image transmission key. Therefore, it is possible to make a more comfortable videophone call to the mobile phones 24 and 26 having no videophone function.

(Embodiment 3)
FIG. 9 shows a configuration of a telephone communication system 80 according to the third embodiment. The present embodiment is different from the first and second embodiments in that the relay server 21 is not provided. In addition, a function for a simple videophone is implemented in both the mobile phones 81 and 83 having a videophone function and the mobile phones 82 and 84 having no videophone function. Specific functions are shown below.

-Driving action-
10 and 11 show the operation of the telephone communication system 80 as a flowchart. The operation of the telephone communication system 80 can be divided into four types depending on the combination of mobile phones that are going to make a videophone call, and will be described in order.
(1) When the mobile phone 81 having the videophone function makes a call to the mobile phone 83 having the videophone function In S91, since the caller mobile phone 81 has the videophone function, the process proceeds to S92.

  In S92, since the called mobile phone 83 has a videophone function, the process proceeds to S93.

In S93, since the mobile phone 81, 83 having the video phone function is a video phone call, the mobile phones 81, 83 make a video phone call as they are.
(2) When the mobile phone 81 having the videophone function makes a call to the mobile phone 82 having no videophone function In S91, since the caller mobile phone 81 has the videophone function, the process proceeds to S92.

  In S92, since the call destination mobile phone 82 does not have a videophone function, the process proceeds to S94.

  In S94, the cellular phone 81 requests the cellular phone 82 to transmit the still image registered in the cellular phone 82 in advance to the cellular phone 81, and the process proceeds to S95.

  In S95, the mobile phone 82 transmits the still image requested from the mobile phone 81 to the mobile phone 81, and proceeds to S96.

  In S <b> 96, the mobile phone 82 selects any one frame of the moving image data sent from the mobile phone 81 as a still image and displays it on the liquid crystal display unit 87.

In S97, the mobile phone 81 outputs the audio data from the mobile phone 82 from a receiving speaker (not shown) while displaying the still image received from the mobile phone 82 in S95 on the liquid crystal display unit 87. In addition, the mobile phone 82 separates the audio data and the moving image data from the mobile phone 81 and outputs the audio data from the receiving speaker. At this time, the still image displayed in S96 is still displayed on the liquid crystal display unit 87 of the mobile phone 82. While the mobile phone 81 and the mobile phone 82 are talking, the process of S97 is repeated.
(3) When the mobile phone 82 not having the videophone function makes a call to the mobile phone 83 having the videophone function In S91, since the caller mobile phone 82 does not have the videophone function, the process proceeds to S98.

  In S98, since the destination mobile phone 83 has a videophone function, the process proceeds to S99.

  In S99, the cellular phone 83 requests the cellular phone 82 to transmit the still image registered in the cellular phone 82 in advance to the cellular phone 83, and proceeds to S100.

  In S100, the mobile phone 82 transmits the still image requested of the mobile phone 83 to the mobile phone 83, and proceeds to S101.

In S <b> 101, the mobile phone 82 selects any one frame of the moving image data sent from the mobile phone 83 as a still image and displays it on the liquid crystal display unit 87.
In S102, the cellular phone 83 outputs the audio data from the cellular phone 82 from the receiving speaker while displaying the still image received from the cellular phone 82 in S100 on the liquid crystal display unit 87. In addition, the mobile phone 82 separates the audio data and the moving image data from the mobile phone 83 and outputs the audio data from the receiving speaker. At this time, the still image displayed in S101 is still displayed on the liquid crystal display unit 87 of the mobile phone 82. While the mobile phone 82 and the mobile phone 83 are talking, the process of S102 is repeated.
(4) When the mobile phone 82 having no videophone function makes a call to the mobile phone 84 having no videophone function.

  In S91, since the source mobile phone 82 does not have a videophone function, the process proceeds to S98.

  In S98, since the called mobile phone 84 does not have a videophone function, the process proceeds to S103.

In S103, the mobile phone 84 requests the mobile phone 82 to transmit the still image registered in the mobile phone 82 in advance to the mobile phone 84, and the process proceeds to S104.
In S104, the mobile phone 82 transmits the still image requested of the mobile phone 84 to the mobile phone 84, and the process proceeds to S105.

In S105, the mobile phone 82 requests the mobile phone 84 to transmit a still image registered in the mobile phone 84 in advance to the mobile phone 82, and the process proceeds to S106.
In S106, the cellular phone 84 transmits the still image requested of the cellular phone 82 to the cellular phone 82, and the process proceeds to S107.

  In S107, the mobile phone 84 outputs the audio data from the mobile phone 82 from the receiving speaker while displaying the still image received from the mobile phone 82 in S104 on the liquid crystal display unit 87. In addition, the cellular phone 82 outputs the audio data from the cellular phone 84 from the receiving speaker while displaying the still image received from the cellular phone 84 in S106 on the liquid crystal display unit 87. While the mobile phone 82 and the mobile phone 84 are talking, the process of S107 is repeated.

-Effect of Embodiment 3-
Therefore, according to the telephone communication system 80 according to the present embodiment, even if the cellular phones 82 and 84 do not have the video phone function, the video phone can be obtained by simply mounting a function for a simple video phone on both mobile phones. By exchanging still images with the mobile phones 81 and 83 having the function, a videophone call can be easily performed.

-Modification of Embodiment 3-
Note that the timing at which the cellular phones 82 and 84 display one frame of the video data in the videophone format data transmitted from the other party is instructed by an operation such as pressing a button by the user of the cellular phones 82 and 84. The timing may be a predetermined timing or may be an arbitrary fixed time interval. Further, it may be the timing when a specific operation button (image transmission key) of the other party's mobile phone 81 or 83 is pressed.

  In addition, the mobile phones 81 and 83 having a videophone function select arbitrary still image data from the moving image data, and the mobile phones 82 and 84 that do not have a videophone function during or before a call to the still image data. You may make it transmit to.

(Embodiment 4)
The configuration of the telephone communication system 80 according to the fourth embodiment is the same as that of the third embodiment, but the processing performed on the mobile phone during a simple videophone call is different.

  Specifically, in the third embodiment, the functions for the simple videophone are implemented in both the mobile phones 81 and 83 having the videophone function and the mobile phones 82 and 84 having no videophone function. Yes. On the other hand, in this embodiment, a new function for a simple videophone is not implemented for the mobile phones 81 and 83 having a videophone function. The mobile phones 82 and 84 that do not have a videophone function are provided for a simple videophone because they have a voice and video data communication function but do not have a video shooting function and a video playback / display function during a call. The function is implemented. Specific functions are shown below.

-Driving action-
12 and 13 are flowcharts showing the operation of the mobile phone in the telephone communication system 80. FIG. The operation of the telephone communication system 80 can be divided into four types depending on the combination of mobile phones that are going to make a videophone call, and will be described in order.

(1) When the mobile phone 81 having the videophone function makes a call to the mobile phone 83 having the videophone function In S110, since the caller mobile phone 81 has the videophone function, the process proceeds to S111.

  In S111, since the destination mobile phone 83 has a videophone function, the process proceeds to S112.

In S112, since it is a videophone call between the mobile phones 81 and 83 having the videophone function, the mobile phones 81 and 83 make a videophone call as they are.
(2) When the mobile phone 81 having the videophone function makes a call to the mobile phone 82 having no videophone function In S110, since the caller mobile phone 81 has the videophone function, the process proceeds to S111.

  In S111, since the called mobile phone 82 does not have a videophone function, the process proceeds to S113.

In S <b> 113, the mobile phone 81 transmits video data and audio data in the same videophone data format as that of a normal videophone to the mobile phone 82. The mobile phone 82 generates moving image data in which the same image continues from a still image registered in the mobile phone 82 in advance and converts it into a videophone data format together with audio data from a transmission microphone (not shown). It transmits to the telephone 81. The cellular phone 82 separates the audio data and the moving image data from the videophone data format data from the cellular phone 81, outputs the audio data from the receiving speaker, and the moving image data includes one frame at an arbitrary timing as a still image. Is selected and displayed on the liquid crystal display unit 87. While the mobile phone 81 and the mobile phone 82 are talking, the process of S113 is repeated.
(3) When the mobile phone 82 having no videophone function makes a call to the mobile phone 83 having the videophone function In S110, since the caller mobile phone 82 does not have the videophone function, the process proceeds to S114.

  In S114, since the destination mobile phone 83 has a videophone function, the process proceeds to S115.

In S115, the mobile phone 82 generates moving image data in which the same image continues from a still image registered in advance in the mobile phone 82, converts it into the videophone data format together with the audio data from the transmission microphone, and the mobile phone 83. Send to. The cellular phone 82 separates audio data and moving image data from the data in the videophone data format from the cellular phone 83, the audio data is output from the receiving speaker, and the moving image data has one frame at any timing as a still image. Is selected and displayed on the liquid crystal display unit 87. The mobile phone 83 transmits video data and audio data in the same videophone data format as a normal videophone to the mobile phone 82. While the mobile phone 82 and the mobile phone 83 are talking, the process of S115 is repeated.
(4) When the mobile phone 82 having no videophone function makes a call to the mobile phone 84 having no videophone function.

  In S110, since the source mobile phone 82 does not have a videophone function, the process proceeds to S114.

  In S114, since the called mobile phone 84 does not have a videophone function, the process proceeds to S116.

  In S116, the mobile phone 82 generates moving image data in which the same image continues from a still image registered in advance in the mobile phone 82, converts it into the videophone data format together with the audio data from the transmission microphone, and the mobile phone 84. Send to. The mobile phone 82 separates the audio data and the video data from the videophone data format data from the mobile phone 84, the audio data is output from the receiving speaker, and the video data has one frame at an arbitrary timing as a still image. Is selected and displayed on the liquid crystal display unit 87.

  In addition, the mobile phone 84 generates moving image data in which the same image continues from a still image registered in the mobile phone 84 in advance, converts it into a videophone data format together with audio data from the transmission microphone, and transmits it to the mobile phone 82. To do. The mobile phone 84 separates audio data and video data from the videophone data format data from the mobile phone 82, and the audio data is output from the receiving speaker. Is selected and displayed on the liquid crystal display unit 87. While the mobile phone 82 and the mobile phone 84 are talking, the process of S116 is repeated.

-Effect of Embodiment 4-
Therefore, according to the telephone communication system 80 according to the present embodiment, even the mobile phones 82 and 84 that do not have the moving image shooting function and the moving image reproduction display function during a call only have a function for a simple videophone. Thus, a videophone call can be easily performed by exchanging still images with the mobile phones 81 and 83 having the videophone function.

-Modification of Embodiment 4-
Note that the timing at which the cellular phones 82 and 84 display one frame of the video data in the videophone format data transmitted from the other party is instructed by an operation such as pressing a button by the user of the cellular phones 82 and 84. The timing may be a predetermined timing or may be an arbitrary fixed time interval. Further, it may be the timing when a specific operation button (image transmission key) of the other party's mobile phone 81 or 83 is pressed.

(Other embodiments)
The present invention may be configured as follows for each of the above embodiments.

  That is, in each of the embodiments described above, the mobile phones 24 and 26 are configured to register still images previously captured by the mobile phone and transmit them in response to a request from the relay server 21. The still image thus registered may be registered in the inside, and this still image may be transmitted in response to a request from the relay server 21.

  In each of the above embodiments, handling of character data such as a mail function is not described. However, the effect of the present invention is exhibited even in a mobile phone having a mail function.

  In addition, the above embodiment is an essentially preferable illustration, Comprising: It does not intend restrict | limiting the range of this invention, its application thing, or a use.

  As described above, the present invention provides a mobile phone communication system and a telephone that enable voice and image data communication between a mobile phone having a so-called videophone function and a mobile phone not having a videophone function. This is useful for communication methods, relay servers, and mobile phones.

It is a block diagram which shows the telephone communication system which concerns on Embodiment 1 of this invention. It is explanatory drawing which shows the structural example of the packet which is a basic unit of the data transmitted / received at the time of a videophone call. It is a flowchart which shows operation | movement of the telephone communication system which concerns on Embodiment 1 of this invention. It is a flowchart which shows operation | movement of the telephone communication system which concerns on Embodiment 1 of this invention. It is a flowchart which shows operation | movement of the telephone communication system which concerns on Embodiment 2 of this invention. It is a flowchart which shows operation | movement of the call communication process 1 in the telephone communication system which concerns on Embodiment 2 of this invention. It is a flowchart which shows operation | movement of the telephone communication system which concerns on Embodiment 2 of this invention. It is a flowchart which shows operation | movement of the call communication process 2 in the telephone communication system which concerns on Embodiment 2 of this invention. It is a block diagram which shows the telephone communication system which concerns on Embodiment 3 of this invention. It is a flowchart which shows operation | movement of the telephone communication system which concerns on Embodiment 3 of this invention. It is a flowchart which shows operation | movement of the telephone communication system which concerns on Embodiment 3 of this invention. It is a flowchart which shows operation | movement of the telephone communication system which concerns on Embodiment 4 of this invention. It is a flowchart which shows operation | movement of the telephone communication system which concerns on Embodiment 4 of this invention. It is a block diagram which shows the telephone communication system which concerns on a prior art.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Telephone communication system 21 Relay server 22 Mobile telephone communication network 23 Mobile telephone (1st telephone terminal) which has a videophone function
24 Mobile phone without videophone function (second telephone terminal)
25 Mobile phone having a videophone function (first telephone terminal)
26 Mobile phone without videophone function (second telephone terminal)
27 Liquid crystal display 81 Mobile phone having a videophone function (first telephone terminal)
82 Mobile phone not having a videophone function (second telephone terminal)
83 A mobile phone having a videophone function (first telephone terminal)
84 A cellular phone having no videophone function (second telephone terminal 87 liquid crystal display unit)

Claims (18)

A telephone communication system in which a first mobile phone and a second mobile phone make at least a voice call via a relay server,
The first mobile phone has a videophone function,
The second mobile phone has a voice and still image data communication function, but does not have a videophone function.
The above relay server
Of the data in the videophone data format transmitted from the first mobile phone, audio data and video data are separated and the audio data is transmitted to the second mobile phone, while at any timing from the video data. One frame is selected as still image data, and the still image data is transmitted to the second mobile phone during or before a call,
It is configured to receive and synthesize voice data from the second mobile phone and still image data registered in advance in the second mobile phone, and transmit the synthesized data to the first mobile phone. A telephone communication system. The telephone communication system according to claim 1.
The telephone communication system, wherein the relay server is configured to request the second mobile phone to transmit a still image registered in the second mobile phone in advance. The telephone communication system according to claim 1 or 2,
The first mobile phone includes an image transmission key for requesting the relay server to transmit a still image at that time to the second mobile phone by operating during a call,
The telephone communication system, wherein the relay server is configured to select still image data from moving image data at that time in response to the request and transmit the selected still image data to the second mobile phone. A telephone communication method in which a first mobile phone and a second mobile phone make at least a voice call via a relay server,
Providing a first mobile phone having a videophone function, a second mobile phone having a voice and still image data communication function but not a videophone function, and the relay server;
The relay server separating audio data and video data out of videophone data format data transmitted from the first mobile phone;
The relay server transmits the audio data to the second mobile phone, while selecting one frame at an arbitrary timing from the moving image data as still image data and using the still image data during or before a call. Transmitting to the mobile phone of 2;
The relay server receives voice data from the second mobile phone and still image data pre-registered in the second mobile phone from the second mobile phone and combines them;
The relay server includes a step of transmitting the combined data to the first mobile phone. The telephone communication method according to claim 4, wherein
A telephone communication method comprising the step of requesting the relay server to transmit a still image previously registered in the second mobile phone to the second mobile phone. The telephone communication method according to claim 4 or 5,
The first mobile phone requests the relay server to transmit the still image at that time to the second mobile phone during a call, and the relay server requests the still image from the moving image data at that time by the request. A telephone communication method comprising a step of selecting data and transmitting it to the second mobile phone. A relay server that relays at least a voice call between a first mobile phone and a second mobile phone;
Of the videophone data format data from the first mobile phone having a videophone function, audio data and video data are separated, and one frame at an arbitrary timing is selected as a still image from the video data,
The second mobile phone has a voice and still image data communication function, and transmits the voice data to the second mobile phone that does not have a videophone function, and the still image data is used during or before a call. To
The voice data from the second mobile phone and the still image data registered in advance in the second mobile phone are received from the second mobile phone, synthesized, and transmitted to the first mobile phone. A relay server characterized by The relay server according to claim 7,
A relay server configured to request the second mobile phone to transmit a still image registered in the second mobile phone in advance. In the relay server according to claim 7 or 8,
When the first mobile phone requests to transmit the still image at that time to the second mobile phone during a call, the still image data is selected from the moving image data at that time, and the second mobile phone A relay server configured to transmit to a mobile phone. A mobile phone that performs voice and image data communication via a relay server,
While it has a voice and still image data communication function, it does not have a videophone function.
In response to a request from the relay server, a pre-registered still image is transmitted to the relay server,
Among the data of the videophone data format from the mobile phone having the videophone function, the relay server is configured to receive still image data and audio data selected from the video data. Mobile phone. The mobile phone according to claim 10,
A cellular phone configured to display a still image transmitted from the relay server on a liquid crystal display unit of the cellular phone during a call. A mobile phone that performs voice and image data communication via a relay server,
Has a videophone function,
An image transmission key is provided for requesting the relay server to select still image data at that time from moving image data and transmit the still image to a communication partner by operating during a call. Mobile phone. A telephone communication system in which a first mobile phone and a second mobile phone make a voice call at least,
The first mobile phone has a videophone function,
The second mobile phone has a voice and still image data communication function, but does not have a videophone function.
The second mobile phone separates audio data and video data from the data in the videophone data format transmitted from the first mobile phone, and outputs the audio data from the receiving speaker, while video data 1 frame at an arbitrary timing is selected as still image data, the still image data is displayed on the liquid crystal display unit of the second mobile phone,
The first mobile phone receives audio data transmitted from the second mobile phone and still image data registered in advance in the second mobile phone, and displays the received still image on the liquid crystal display unit. However, the telephone communication system is configured to output the audio data from a receiving speaker. The telephone communication system according to claim 13,
The first mobile phone is configured to request the second mobile phone to transmit a still image registered in the second mobile phone in advance. Communications system. A mobile phone that has a voice and still image data communication function, and at least makes a voice call with another mobile phone that does not have a videophone function,
Has a videophone function,
Send audio data and video data to the other mobile phone in the videophone data format,
Configuration to request the other mobile phone to transmit still image data registered in advance to the other mobile phone, and to receive audio data and still image data from the other mobile phone A mobile phone characterized by being made. The mobile phone according to claim 15, wherein
A mobile phone comprising an image transmission key that is operated during a call to select a still image at that time from moving image data and request a communication partner to display the still image on a liquid crystal display unit. A mobile phone that makes at least a voice call with another mobile phone having a videophone function,
While it has a voice and still image data communication function, it does not have a videophone function.
In response to a request from the other mobile phone, a pre-registered still image is transmitted to the other mobile phone,
Separate audio data and video data from videophone data format data from other mobile phones,
A cellular phone characterized in that audio data is output from a receiving speaker, and for moving image data, one frame at an arbitrary timing is selected as a still image and displayed on a liquid crystal display unit. A mobile phone that makes at least a voice call with another mobile phone having a videophone function,
While it has a voice and video data communication function, it does not have a video shooting function and video playback display function during a call,
Generate video data with the same image from pre-registered still images and convert it to videophone data format along with audio data from the microphone.
Send it to the other mobile phone,
Separate audio data and video data from videophone data format data from other mobile phones,
A cellular phone characterized in that audio data is output from a receiving speaker, and for moving image data, one frame at an arbitrary timing is selected as a still image and displayed on a liquid crystal display unit.

Images