JP4883786B2 - Data transfer method, server, and program for transferring content data of information home appliance to portable terminal - Google Patents

Description

  The present invention relates to a data transfer method, a server, and a program for transferring content data of an information home appliance to a mobile terminal.

  In recent years, home information appliances such as DVD (Digital Video Disk) recorders and music components have been connected to home networks to which personal computers and routers are connected. If such a network is configured in the home, content data (music data, video data, etc.) can be shared between the personal computer and the information home appliance. For example, content data stored in an information home appliance can be reproduced by a personal computer.

  Conventionally, there is a technology in which a music server connected to a home network transfers music data to a portable music playback device (see, for example, Patent Document 1). According to this technique, the user edits the music data list to be recorded on the portable music player using the display and operation button unit of the music server. An identifier is associated with each music data. The music server acquires music data from a predetermined information home appliance (for example, a DVD player) using the selected music data identifier. The music server transfers the acquired music data to the portable music player.

JP 2006-202475 A "Digital Living Network Alliance (DLNA)", [online], search January 2, 2007, Internet <URL: http://www.dlna.org/jp/industry/>

  According to the technique described in Patent Document 1, the user needs to edit a list of music data to be transferred to the portable music player with respect to the music server. The music server acquires music data from the information home appliance after the music data list has been edited by the user, and further transfers the music data to the portable music player. Such a processing sequence is performed by a user operation, takes a long time, and lacks convenience.

  In some cases, the music server must convert (transcode) the music data acquired from the information home appliance into a data format dedicated to the portable music player. In this case, a longer time is required. When the user stays in the home for a short time, the data format of the music data may not be converted and transferred.

  Then, an object of this invention is to provide the data transfer method, server, and program which can transfer the content data accumulate | stored in the information household appliances to a portable terminal in a very short time.

According to the present invention, a data transfer method in a system including a server connected to a local network, an information device connected to the local network and storing content data, and a portable terminal that communicates with the server via a mobile network. Because
A server receiving a content table including a plurality of content identifiers from an information device;
A second step in which the server transmits the content table to the mobile terminal;
A third step in which the mobile terminal causes the user to select a content identifier of content data to be recorded in the mobile terminal from the content table;
A fourth step in which the mobile terminal transmits the selected content identifier to the server;
A fifth step in which the server transmits the selected content identifier to the information device and receives content data corresponding to the selected content identifier from the information device;
A sixth step of transcoding content data into a data format for a mobile terminal;
A seventh step in which the server transmits content data to the portable terminal when the portable terminal is connected to a cradle connected to the server via a cable or when the portable terminal is connected to the local network ; It is characterized by having.

According to another embodiment of the data transfer method of the present invention,
The information device is an information home appliance,
The local network is the home network
The server is a set top box or broadband router,
The mobile terminal is also preferably a mobile phone or a mobile music playback device.

According to another embodiment of the data transfer method of the present invention,
The content table is TOC (Table Of Contents) information,
For the first step, the server receives TOC information from the information device using DLNA (Digital Living Network Alliance) guidelines,
Regarding the second step, when the mobile terminal accesses the server via the mobile network, the server transmits TOC information to the mobile terminal,
About a 3rd step, it is also preferable that a portable terminal displays the list | wrist of TOC information on a display, and makes a user select the content identifier of the content data which should be recorded on the said portable terminal from the list | wrist of TOC information. .

According to the present invention, a server is connected to an information device storing content data via a local network and communicates with a mobile terminal via a mobile network,
Content table acquisition means for receiving a content table including a plurality of content identifiers from the information device;
Content table transmission means for transmitting the content table to the mobile terminal;
A selected content identifier receiving means for receiving a selected content identifier selected by a user from a mobile terminal;
Content data acquisition means for transmitting the selected content identifier to the information device and receiving content data corresponding to the selected content identifier from the information device;
Transcoding means for transcoding content data received from an information device into a data format for a mobile terminal;
After the processing of the transcoding means, when the mobile terminal is connected to a cradle connected to the server via a cable, or when it is detected that the mobile terminal is connected to the local network, the mobile terminal Content data transmission means for transmitting content data to the network.

According to another embodiment of the server of the present invention,
The server is a set top box or broadband router,
The local network is the home network
The information device is an information home appliance,
The mobile terminal is also preferably a mobile phone or a mobile music playback device.

According to another embodiment of the server of the present invention,
The content table is TOC information,
The content table acquisition means receives TOC information from the information device using DLNA guidelines,
It is also preferable that the content table transmission means transmits the TOC information to the mobile terminal when the mobile terminal accesses the server via the mobile network.

According to the present invention, a portable terminal that communicates with the aforementioned server via a mobile network,
Content table receiving means for receiving a content table from the server;
Content identifier selection means for allowing a user to select a content identifier of content data to be recorded in the mobile terminal from the content table;
A selected content identifier transmitting means for transmitting the selected content identifier to the server;
Content data receiving means for receiving content data from the server when a portable terminal is connected to the server.

According to the present invention, there is provided a program for causing a computer mounted on a server connected to an information device storing content data via a local network to communicate with a mobile terminal via a mobile network,
A program for functioning a computer mounted on a server connected to an information device storing content data via a local network and communicating with a mobile terminal via a mobile network,
Content table acquisition means for receiving a content table including a plurality of content identifiers from the information device;
Content table transmission means for transmitting the content table to the mobile terminal;
A selected content identifier receiving means for receiving a selected content identifier selected by a user from a mobile terminal;
Content data acquisition means for transmitting the selected content identifier to the information device and receiving content data corresponding to the selected content identifier from the information device;
Transcoding means for transcoding content data received from an information device into a data format for a mobile terminal;
After the processing of the transcoding means, when the mobile terminal is connected to a cradle connected to the server via a cable, or when it is detected that the mobile terminal is connected to the local network, the mobile terminal A computer is caused to function as content data transmission means for transmitting content data to a computer.

According to the present invention, there is provided a program for causing a computer mounted on a portable terminal that communicates with the server described above via a mobile network to function.
Content table receiving means for receiving a content table from the server;
Content identifier selection means for allowing a user to select a content identifier of content data to be recorded in the mobile terminal from the content table;
A selected content identifier transmitting means for transmitting the selected content identifier to the server;
When the portable terminal is connected to the server, the computer is caused to function as content data receiving means for receiving content data from the server.

  According to the data transfer method, server, and program of the present invention, content data stored in an information home appliance can be transferred to a mobile terminal in a very short time.

  Hereinafter, the best mode for carrying out the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a system configuration diagram according to the present invention.

According to FIG. 1, a set-top box (which may be a server or a broadband router having a set-top box function) 1 and an information home appliance (information device) 2 are connected to a home network 5 in a user's home Has been. The home network 5 is a local area network (LAN), for example, and may be wireless or wired. In addition, it may be a broadband router.

  The set top box 1 may be independent as a single box device, or may be a personal computer equipped with set top box software based on the present invention.

  A cradle 4 is connected to the set top box 1 via a cable. Usually, a portable terminal can be charged by placing a portable terminal (such as a mobile phone or a portable music player) on the cradle. In addition, high-speed data communication can be performed with the other party fixed communication device of the cable. At this time, the cradle can also synchronize data contents between the portable terminal and the personal computer (the set-top box 1 according to FIG. 1). A serial port or USB (Universal Serial Bus) port is often used for the cable.

  The information home appliance 2 is a device that can store content data, such as an HDD (Hard Disk) / DVD (Digital Video Disk) player / recorder or a personal computer. The content data is music data, moving image / still image data, and the like.

  According to FIG. 1, the home network 5 is connected to the Internet 7 via a router 6. On the other hand, the mobile terminal 3 can be connected to the Internet 7 via a mobile network connected by a wireless link. Thereby, the portable terminal 3 can communicate with the set top box 1 in the user's home via the Internet 7 and the home network 5. The mobile terminal 3 may be, for example, a mobile phone, a mobile music video playback device, or a mobile information terminal. In the following description, the mobile terminal 3 is assumed to be a mobile phone.

  According to the present invention, based on the protocol “Interconnection Guidelines 1.0” (hereinafter referred to as “DLNA Guidelines”) defined by DLNA (Digital Living Network Alliance), Communicate via the network 5. DLNA is a standard that allows content data to be mutually used via a home network.

  An information home appliance that provides content data is called DMS (Digital Media Server), and a portable terminal that reproduces the content data is called DMP (Digital Media Player). The DLNA guidelines define the connection conditions between DMS and DMP. Devices that comply with the DLNA guidelines can be connected to each other and share content data without any special setting by simply connecting to the home network.

  According to the DLNA guidelines, Ethernet (registered trademark) or IEEE802.11 wireless LAN is used as the transmission standard. The communication protocol is TCP / IP. Control message exchange or file transfer uses HTTP (HyperText Transfer Protocol), and messages are described in XML (eXtensible Markup Language). MPEG2 is used as the data format for moving images, and JPEG is used as the data format for still images.

  The DLNA guidelines are centered on UPnP (Universal Plug and Play) technology. With UPnP, an address can be assigned to a DMS or DMP and can be automatically recognized with each other. According to the protocol defined by UPnP Device Architecture, the DMS can transmit a list of files possessed by the device using the specification of UPnP Media Server.

  Next, the outline of the sequence of the present invention will be described with reference to FIG.

  The mobile phone 3 is usually carried by a user and is carried while on the go. Then, the user places the mobile phone 3 on the cradle 4 in order to charge the mobile phone 3 when returning home. The present invention is divided into an outing stage in which the mobile phone 3 is not connected to the cradle 4 and a return stage in which the mobile phone 3 is connected to the cradle 4. In the outing stage, the user selects content data to be downloaded to the mobile phone 3. Also, the set top box 1 converts the content data into a data format for a mobile phone and puts it in a download waiting state. At the stage of returning home, the mobile phone 3 only downloads content data from the set top box 1. Thereby, the time for downloading the content data to the mobile phone 3 can be shortened as much as possible.

First, the set top box 1 receives TOC (Table Of Contents) information from the information home appliance 2. The TOC information is a content table including at least a content name and a content ID (IDentifier: identifier). The TOC information includes the following information, for example.

  The information home appliance 2 serving as a DMS in DLNA always holds one TOC information for a plurality of contents data to be accumulated.

  FIG. 2 is an explanatory diagram showing the display contents of the mobile phone according to the present invention. The sequence numbers (S304 to S311) shown in the figure match the sequence numbers shown in FIG.

  The set top box 1 transmits the TOC information received from the information home appliance 2 to the mobile phone 3. The mobile phone 3 displays the TOC information on the display (S304).

Next, the user uses the key to select content data to be downloaded to the mobile phone 3 (S305).

  Then, the mobile phone 3 transmits the selected content ID to the set top box 1 (S306).

  The set-top box 1 transmits the selected content ID received from the mobile phone 3 to the information home appliance 2. On the other hand, the information home appliance 2 transmits content data corresponding to the selected content ID to the set top box 1. The set top box 1 holds content data received from the information home appliance 2.

  At this time, the set top box 1 transcodes the content data into the data format of the mobile phone 3. The transcoding process, which takes a relatively long time, is finished when the user goes out.

  Thereafter, it is assumed that the user returns home and places the mobile phone 3 on the cradle. Thereby, the set top box 1 can directly communicate with the mobile phone 3. At this time, the set top box 1 transmits the content data received in advance from the information home appliance 2 to the mobile phone 3. Thereby, the mobile phone 3 can download the content data desired by the user. The user can remove the cellular phone 3 from the cradle 4 and reproduce the content data when the user moves further.

  FIG. 3 is a sequence diagram in the present invention.

(S301) The set-top box 1 executes a pre-sequence in order to acquire TOC information from the information home appliance 2.
(1) The set top box 1 discovers information home appliances connected to the home network. For this purpose, a Discovery: Search message is transmitted to the home network. The information home appliance (UPnP device) returns Discovery: Response. Discovery: Response includes LOCATION. When a plurality of information home appliances are connected to the home network, a plurality of Discovery: Responses are received by the set top box 1.
(2) The set top box 1 transmits a Description Request to the LOCATION of Discovery: Response, and requests device details.xml. On the other hand, the information home appliance 2 returns a Description Response including the device details .xml to the set top box 1. The device details.xml contains the SCPDURL of each service.
(3) Next, the set top box 1 transmits a Service Request to the information home appliance 2 in order to obtain service details .xml based on the SCPDURL of each service. On the other hand, the information home appliance 2 returns a Service Response including the service details .xml to the set top box 1.

(S302) Next, the set top box 1 acquires TOC information from the information home appliance 2. The set top box 1 transmits a SOAP (Simple Object Access Protocol) Control Action message generated based on the service details .xml of the information home appliance 2 to the information home appliance 2. In contrast, the information home appliance 2 is a Control including TOC information.
Return Action Response to Set Top Box 1.

(S303) The mobile phone 3 makes a call connection to the set top box 1.

(S304) On the other hand, the set top box 1 transmits the TOC information to the mobile phone 3. In the first embodiment, the TOC information is transmitted as it is. As the second embodiment, when the TOC information has been transmitted to the mobile phone 3 before, the previous TOC information is compared with the current TOC information, and the TOC information of only the difference is transmitted. When the amount of TOC information is large, the second embodiment is more effective in consideration of a narrow band of wireless communication with a mobile phone. Then, S304 of FIG. 2 is displayed on the display of the mobile phone 3.

(S305) The mobile phone 3 causes the user to select content data to be downloaded to the mobile phone 3 from the displayed TOC information. 2 is displayed on the display of the mobile phone 3.

(S306) Then, the mobile phone 3 transmits the selected content identifier to the set top box 3. 2 is displayed on the display of the mobile phone 3.

(S307) The set top box 1 transmits the selected content identifier received from the mobile phone 3 to the information home appliance 2.
(S308) On the other hand, the information home appliance 2 transmits content data corresponding to the selected content identifier to the set top box 1. Thereby, the set top box 1 can hold the content data to be transmitted to the mobile phone 3.

(S309) The set top box 1 transcodes the content data into a data format for a mobile phone.

(S310) Thereafter, it is assumed that the user returns and places the mobile phone 3 on the cradle 4 connected to the set top box 1.
(S311) At this time, the set top box 1 transmits the transcoded content data to the mobile phone 3. S 311 in FIG. 2 is displayed on the display of the mobile phone 3. Thereby, the cellular phone 3 can accumulate the content data selected on the go.

  FIG. 4 is a functional configuration diagram of the set-top box and the mobile phone according to the present invention.

  The set top box 1 includes a content table acquisition unit 101, a content table transmission unit 102, a selected content identifier reception unit 103, a content data acquisition unit 104, a transcoding unit 105, and a content data transmission unit 106. These functional units can also be realized by executing a program for causing a computer mounted on the set top box to function. The set top box may be a personal computer equipped with a program based on the present invention.

  The content table acquisition unit 101 receives TOC information from the information home appliance 2 using the DLNA guidelines. The TOC information is notified to the content table transmission unit 102.

  The content table transmission unit 102 transmits TOC information to the mobile phone 3 when the mobile phone 3 accesses via the mobile network.

  The selected content identifier receiving unit 103 receives the selected content identifier selected by the user from the mobile phone 3. The selected content identifier is notified to the content data acquisition unit 104.

  The content data acquisition unit 104 transmits the selected content identifier to the information home appliance 2 and receives content data corresponding to the selected content identifier from the information home appliance 2. The content data is notified to the transcoding unit 105.

  The transcoding unit 105 transcodes the content data into a data format for a mobile phone. The transcoded content data is notified to the content data transmission unit 106.

  The content data transmission unit 106 transmits content data to the mobile phone 3 when the mobile phone 3 is connected to the cradle 4. According to the present invention, a cradle is not necessarily required. The mobile phone 3 may be connected to the home network. The set top box 1 may transmit content data to the mobile phone 3 when it knows that the mobile phone 3 is connected to the home network.

  The mobile phone 3 includes a content table receiving unit 301, a content identifier selecting unit 302, a selected content identifier transmitting unit 303, and a content data receiving unit 304. These functional units can also be realized by executing a program that causes a computer mounted on a mobile phone to function.

  The content table receiving unit 301 receives TOC information from the set top box 1. The TOC information is notified to the content identifier selection unit 302.

  The content identifier selection unit 302 causes the user to select a content identifier of content data to be recorded on the mobile phone 3 from the TOC information. The selected content identifier is notified to the selected content identifier transmission unit 303.

  The selected content identifier transmission unit 303 transmits the selected content identifier to the set top box 1.

  The content data receiving unit 304 receives content data from the set top box 1 when the mobile phone 3 is connected to the cradle 4 or the home network 5. Accordingly, the mobile phone 3 can download the content data selected on the go at home.

  As described above in detail, according to the data transfer method, server (set top box), and program of the present invention, content data stored in an information home appliance can be transferred to a mobile terminal in a very short time. it can.

  Information home appliances accumulate new content data in real time through broadcasting and communication. ADVANTAGE OF THE INVENTION According to this invention, the user can browse the list | wrist of the newest content currently recorded on the information household appliances at home with a portable terminal on the go. Further, the user can select in advance the content to be downloaded to the mobile terminal while away from home.

  Moreover, the information household appliances should just be the existing apparatuses based on DLNA guidelines, without mounting a special function for this invention.

  Furthermore, since the server is transcoding to the data format for the portable terminal while the user is out, the data format conversion processing is almost finished when the user returns home. The type of transcoding can also be instructed to the server by the user using the portable terminal. Therefore, the user can complete the download to the mobile terminal in a short time after going home and going out again.

  According to the various embodiments of the present invention described above, those skilled in the art can easily make various changes, modifications and omissions within the scope of the technical idea and the viewpoint of the present invention. The above description is merely an example, and is not intended to be restrictive. The invention is limited only as defined in the following claims and the equivalents thereto.

It is a system configuration diagram in the present invention. It is explanatory drawing showing the display content of the mobile telephone in this invention. It is a sequence diagram in the present invention. It is a functional block diagram of the set top box and mobile phone in the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Set top box 101 Content table acquisition part 102 Content table transmission part 103 Selected content identifier reception part 104 Content data acquisition part 105 Transcoding part 106 Content data transmission part 2 Information household appliances 3 Mobile telephone 301 Content table reception part 302 Content identifier selection Unit 303 Selected content identifier transmission unit 304 Content data reception unit 4 Cradle 5 Home network 6 Router 7 Internet

Claims (9)

A data transfer method in a system comprising a server connected to a local network, an information device connected to the local network and storing content data, and a portable terminal communicating with the server via a mobile network,
A first step in which the server receives a content table including a plurality of content identifiers from the information device;
A second step in which the server transmits the content table to the mobile terminal;
A third step in which the mobile terminal causes the user to select a content identifier of content data to be recorded in the mobile terminal from the content table;
A fourth step in which the portable terminal transmits a selected content identifier to the server;
A fifth step in which the server transmits the selected content identifier to the information device and receives content data corresponding to the selected content identifier from the information device;
A sixth step of transcoding the content data into a data format for a mobile terminal;
When the mobile terminal is connected to a cradle connected to the server via a cable, or when the mobile terminal is connected to the local network, the server sends the content data to the mobile terminal. And a seventh step of transmitting the data. The information device is an information home appliance,
The local network is a home network;
The server is a set-top box or a broadband router;
The data transfer method according to claim 1, wherein the mobile terminal is a mobile phone or a mobile music playback device. The content table is TOC (Table Of Contents) information,
For the first step, the server receives the TOC information from the information device using DLNA (Digital Living Network Alliance) guidelines,
For the second step, when the mobile terminal accesses the server via the mobile network, the server transmits the TOC information to the mobile terminal,
For the third step, the mobile terminal displays the list of TOC information on the display, and allows the user to select a content identifier of content data to be recorded on the mobile terminal from the list of TOC information. The data transfer method according to claim 1 or 2 . A server that is connected to an information device that stores content data via a local network and communicates with a mobile terminal via a mobile network,
Content table acquisition means for receiving a content table including a plurality of content identifiers from the information device;
Content table transmission means for transmitting the content table to the portable terminal;
A selected content identifier receiving means for receiving a selected content identifier selected by the user from the portable terminal;
Content data acquisition means for transmitting the selected content identifier to the information device and receiving content data corresponding to the selected content identifier from the information device;
Transcoding means for transcoding the content data received from the information device into a data format for a mobile terminal;
After the processing of the transcoding means, when the mobile terminal is connected to a cradle connected to the server via a cable, or when it is detected that the mobile terminal is connected to the local network And a content data transmitting means for transmitting the content data to the portable terminal. The server is a set-top box or a broadband router;
The local network is a home network;
The information device is an information home appliance,
The server according to claim 4 , wherein the mobile terminal is a mobile phone or a mobile music playback device. The content table is TOC information,
The content table acquisition means receives the TOC information from the information device using DLNA guidelines,
The server according to claim 4 or 5 , wherein the content table transmission means transmits the TOC information to the portable terminal when the portable terminal accesses the server via the mobile network. A mobile terminal that communicates with the server according to any one of claims 4 to 6 via a mobile network,
Content table receiving means for receiving the content table from the server;
Content identifier selection means for allowing a user to select a content identifier of content data to be recorded in the mobile terminal from the content table;
A selected content identifier transmitting means for transmitting a selected content identifier to the server;
A portable data terminal comprising: content data receiving means for receiving the content data from the server when the portable terminal is connected to the server. A program for functioning a computer mounted on a server connected to an information device storing content data via a local network and communicating with a mobile terminal via a mobile network,
Content table acquisition means for receiving a content table including a plurality of content identifiers from the information device;
Content table transmission means for transmitting the content table to the portable terminal;
A selected content identifier receiving means for receiving a selected content identifier selected by the user from the portable terminal;
Content data acquisition means for transmitting the selected content identifier to the information device and receiving content data corresponding to the selected content identifier from the information device;
Transcoding means for transcoding the content data received from the information device into a data format for a mobile terminal;
After the processing of the transcoding means, when the mobile terminal is connected to a cradle connected to the server via a cable, or when it is detected that the mobile terminal is connected to the local network Further, a server program that causes a computer to function as content data transmitting means for transmitting the content data to the portable terminal. A program for functioning a computer mounted on a portable terminal that communicates with the server according to any one of claims 4 to 6 via a mobile network,
Content table receiving means for receiving the content table from the server;
Content identifier selection means for allowing a user to select a content identifier of content data to be recorded in the mobile terminal from the content table;
A selected content identifier transmitting means for transmitting a selected content identifier to the server;
A portable terminal program that causes a computer to function as content data receiving means for receiving the content data from the server when the portable terminal is connected to the server.

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