KR20040103680A - The method for getting and playing the contents between mobile terminal and playback device using locator on network, the mobile terminal, and the playback device thereof - Google Patents

Abstract

PURPOSE: A system and method for storing and regenerating contents between a mobile terminal and plural regeneration equipments using location information in a network are provided to simply store and regenerate contents by using location information, regardless of time and places. CONSTITUTION: A mobile terminal comprises a user input-output part(201), a storage part(202), a message processing part(203), a radio communication part(204), and a control part(205). The user input-output part(201) provides the interface between the user and the mobile terminal. The storage part(202) stores the location information of the contents selected by the user. The message processing part(203) processes a message containing a command for the storage or regeneration of contents. The radio communication part(204) transmits a message, converted and transmitted by the message processing part(203), to a regeneration equipment. The radio communication part(204) receives a message containing necessary information from a regeneration equipment and forwards it to the message processing part(203). The control part(205) receives a content storage or regeneration request through the user input-output part(201), forwards it to the message processing part(203), and transfers a converted message to the radio communication part(204).

Description

The method for getting and playing the contents between mobile terminal and playback device using locator on network, the mobile terminal, and the playback device eg}

The present invention relates to the acquisition of content information, and more particularly, to a method for storing and reproducing content between a mobile terminal and a plurality of playback devices using location information on a network, and a mobile terminal and a playback device.

Due to the rapid development of the Internet, various contents are provided through the network. That is, it is possible to easily use such contents by knowing the location information on the network where various types of contents such as music, images, texts, e-books, and real-time information exist. In this case, a URL (Universal Resouse Locator) is representative of location information used to obtain content. A URL is a format that can consistently represent the address of content (resources) accessible on the Internet. For example, using HTTP, the World Wide Web (www) protocol, content such as HTML pages, image files, programs such as CGI or Java applets, music files, video files, and other files supported by HTTP do.

http://www.music.com/singer/

This refers to a web page on a computer named www.music.com that points to the location of content files in the form of various video or music files such as AVI, MPG, ASF, etc. under the / singer directory. Therefore, the user can access the corresponding computer by using only the URL location information of http://www.music.com/singer/***.mpg and copy and use desired content.

However, it is very inconvenient to input URL location information every time to obtain desired content. In addition, even if a single typo occurs in the URL input, the desired content cannot be obtained.

To solve this problem, US patent US2001-872715 discloses "a remote control device having a one-touch URL or program selection". That is, by storing the URL location information for obtaining content in a button on the remote control, when the button is pressed, a CD player, a DVD player, a satellite set-top box (STB) and a remote control capable of obtaining the content indicated by the stored URL are provided. do.

However, in the invention disclosed by the aforementioned patent application, the terminal (remote control) is subordinate to the reproducing apparatus to form part of the reproducing apparatus main body. Therefore, the terminal (remote control) can control the predetermined playback device, but can not perform the same function for devices of different types, there is a problem that the place where the content is played according to the physical location of the playback device is limited. .

In particular, with the recent development of wireless communication, the demand for storing or reproducing contents on a network is rapidly increasing in mobile terminals such as mobile phones and PDAs. Thus, the conventional technology may be applied to a separate terminal independent of the playback apparatus. There is no problem.

Accordingly, an object of the present invention is to provide a method for storing and reproducing content between a mobile terminal and a plurality of playback devices using location information on a network, a mobile terminal, and a playback device in order to solve the above problems.

1A and 1B show an application example of a mobile terminal and a playback device having an apparatus 1 for storing or playing content according to the present invention,

2a is a block diagram of a mobile terminal according to the present invention;

2b is a block diagram of a playback apparatus according to the present invention;

3 is a configuration example of a message transmitted and received between a mobile terminal and a playback device for storage and playback of content according to the present invention;

4A is a communication diagram between a mobile terminal and a playback device for storing content;

4B shows a communication diagram between a mobile terminal and a playback device for playback of content.

According to the present invention, in the system consisting of a plurality of playback devices connected to the network and a mobile terminal capable of wireless communication with the playback device, a method for storing content by the mobile terminal, (a) a plurality of playbacks Requesting the device for location information on the network of the content being played; (b) receiving location information in response to the request; And (c) storing the location information selected by the user among the received location information.

Preferably, the step (a) includes receiving a request for storing content being played back from the user, requesting location information from a user-specified playback device, or requesting location information from a plurality of communicable playback devices.

The step (c) preferably includes displaying the plurality of received location information to the user and storing the location information selected by the user.

In addition, the above object is a method for a mobile terminal to play content through a playback device, the method comprising the steps of: (a) requesting a plurality of playback devices about information on available playback devices; (b) receiving information about a playback device responsive to the request; And (c) requesting the playback of the content through the stored location information on the network, to the playback device selected by the user among the received information about the playback device.

Preferably, the step (a) includes receiving a request for playing content corresponding to the stored location information from the user and requesting information on a usable playback device.

Step (c) may include: (c1) displaying information regarding the received playback device to the user; And (c2) requesting the playback device selected by the user to play the content so that the playback device copies and plays the content corresponding to the stored location information from the content server on the network.

On the other hand, the above object is also achieved by a recording medium on which a computer program for performing the above-described method of storing and reproducing content is recorded.

On the other hand, the object of the mobile terminal for requesting the storage or playback of the content to the playback device, the user input / output unit for displaying or inputting the location information on the network or information about the playback device to the user; A storage unit which stores location information about the content; A message processing unit for processing a message including a command for storing or playing content; Wireless communication unit for transmitting and receiving a message with the playback device; And receiving a request for storing or playing the content through the user input / output unit and transmitting the message to the message processing unit and transmitting the message to the wireless communication unit, or receiving a message including the location information or the information about the playback device received from the wireless communication unit and transmitting the message to the message processing unit. It is also achieved by a mobile terminal characterized by including a control unit for providing position information or information on a playback device to a user input / output unit and storing the position information in a storage unit.

In addition, the object of the present invention is a playback apparatus for receiving and processing a content storage or playback request from a mobile terminal, comprising: a content playback section for playing back content copied from a content server on a network; A message processing unit for processing a message including a command for storing or playing content; Wireless communication unit for transmitting and receiving messages with the mobile terminal; A network communication unit for copying corresponding content from a content server on a network using location information requested by a user; And receiving a message including a request for storing or transmitting the content from the wireless communication unit and transmitting the message to the message unit, receiving the location information from the request and providing the message to the network communication unit, receiving the copied content based on the provided location information, and providing the content to the content playback unit. It is achieved by a playback apparatus comprising a control unit.

On the other hand, the above object is a message that the mobile terminal uses to request the storage or playback of the content to the playback device, the receiver ID; Caller ID; And a frame control block (FCB), wherein the frame control block (FCB) is also achieved by a recording medium on which a message is recorded, comprising instructions for storing or playing back content.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1A and 1B show an application example of a mobile terminal and a playback device having a device 1 for storing or playing content according to the present invention.

Referring to FIG. 1A, when a user likes content currently being played at home and wants to play it again later, an example of an application of a system capable of storing the content is shown.

The plurality of playback devices 102 to 104 are connected to the content server 106 via a network or the Internet 105. The mobile terminal 101 can wirelessly communicate with a plurality of playback devices. The plurality of playback devices 102 to 104 are devices capable of playing content on a network, and may include various playback devices such as a computer, a PDP television with Internet support, and a CD or DVD player with Internet support. The mobile terminal 101 may include a mobile phone, an IP phone, a PDA, and the like, supported by the Internet. Both the playback apparatuses 102 to 104 or the mobile terminal 101 have unique ID addresses, and these ID addresses may be implemented in IPv4 or IPv6.

When the playback devices 102 to 104 are copying and playing content from the content server 106 locally or remotely, the mobile terminal 101 requests storage of the content for the specified playback device or all connectable playback devices. Can be. Among the plurality of playback devices that have received the request, the device that is playing the content transmits the location information (hereinafter, referred to as UL) to the mobile terminal 101 such as the URL of the content that is being played. The mobile terminal 101 receives the location information of all the received content and stores the location information of the content selected by the user.

In other words, instead of storing the content itself in the local memory, the mobile terminal 101 stores only the location information of the content, thereby making it convenient to store the content without load on the system. In addition, when desired, the desired content can be obtained using the stored location information.

Referring to FIG. 1B, when a user wants to replay the content in the office at another time by using the location information of the content stored at home, the application of a system that can play the content through a nearby playback device An example is shown.

The plurality of playback devices 112 to 114 are connected to the content server 106 via a network or the Internet 115. The mobile terminal 101 can wirelessly communicate with a plurality of playback devices.

When the mobile terminal 101 makes a request for playback of content to the plurality of playback apparatuses 112 to 114, the available playback apparatus responds. The mobile terminal 101 displays a list of available playback devices to the user, and requests playback of desired content from among contents stored in location information with respect to the playback device selected by the user. The selected playback device copies and plays the content corresponding to the selected location information from the content server 106, either locally or remotely.

Therefore, the user can play the desired content at the desired time and the desired place, without limiting the time or place using the location information of the content stored in the mobile terminal 101.

The system using the mobile terminal and the playback apparatus is not limited to the example shown in FIGS. 1A and 1B, and may be variously applied. For example, a user may store the location information of the contents of the desired CD on the mobile terminal even if the CD retailer does not buy the CD, and return home to listen to the desired content such as music through the home CD player using only the stored location information. It becomes possible.

Figure 2a is a block diagram of a mobile terminal according to the present invention.

Referring to FIG. 2A, the mobile terminal 101 includes a user input / output unit 201, a storage unit 202, a message processing unit 203, a wireless communication unit 204, and a control unit 205. Mobile terminals include mobile phones, PDAs, IP phones, etc. having unique IDs and supporting network functions.

The user input / output unit 201 provides an interface between the user and the mobile terminal 101. That is, the position information (UL) of the content being played is displayed to the user, and selection information about the desired content is input from the user, the available playback device is displayed to the user, and the selection information about the desired playback device is input from the user.

The storage unit 202 stores the location information UL of the content selected by the user. At this time, not only the content itself is stored, but only the location information (UL) of the content, so that the content can be stored simply and conveniently without putting a load on the system of the mobile terminal.

The message processing unit 203 processes a message including a command for storing or playing back content. That is, a request for storing the desired content input by the user is converted into a message including a command for storing location information of the content, and includes information about the content being played or the available playback device from the message received from the playback device. Take the message and extract the necessary information.

The wireless communication unit 204 transmits and receives the above-described message to the playback apparatus. The message processor 203 receives the converted message, transmits the message to the playback apparatus, receives a message containing necessary information from the playback apparatus, and delivers the message to the message processor 203.

The control unit 205 receives the request for storing or playing the content through the user input / output unit 201 and delivers the message to the message processing unit 203, and transmits the converted message to the wireless communication unit 204. In addition, the mobile communication unit 204 receives the message from the wireless communication unit 204 and delivers the message to the message processing unit 203, and transmits the location information of the extracted content or the information about the playback device to the user input / output unit 201 for display to the user. The location information of the content selected by the user is stored in the storage unit 202.

Therefore, the mobile terminal 101 can store the content being played in the surrounding playback device, and can request playback of the content stored at the desired time and the desired place to any nearby playback device. That is, the content can be stored and played back without being restricted by time or space, and is not limited to a specific playback device.

2B is a block diagram of a playback apparatus according to the present invention.

Referring to FIG. 2B, the playback apparatus includes a content playback unit 212, a message processing unit 213, a wireless communication unit 214, a network communication unit 216, and a control unit 215. The playback devices 102 to 104 include various types of devices such as a CD player, a DVD player, a computer, a PDP television, which have an IP address and support a network function.

The content reproducing unit 212 copies and reproduces the corresponding content from the content server 206 on the network based on the location information. Depending on the type of content, various types of reproduction such as music, video, movie, e-book, and real-time information display are possible.

The message processor 213 processes a message including a command necessary for storing or playing the content.

The wireless communication unit 214 transmits and receives the above-described message to the mobile terminal 101.

The network communication unit 216 copies the corresponding content from the content server 206 on the network by using the location information of the content requested by the user.

The control unit 215 receives a message including a request to play the content from the wireless communication unit 214 and transmits the message to the message processing unit 213, receives the location information of the content extracted from the message, and provides the location information to the network communication unit. Based on the received content is provided to the content playback unit 212. In addition, the mobile communication unit 214 receives a message including a content storage request from the wireless communication unit 214, transmits the message information to the message processing unit 213, and transmits the location information of the currently playing content to the wireless communication unit. Sending to the mobile terminal 101 via 214.

3 is a configuration example of a message transmitted and received between a mobile terminal and a playback device for storage and playback of content according to the present invention.

Referring to FIG. 3, the mobile terminal 101 and the playback apparatus communicate with each other by sending and receiving a message having a displayed frame structure with a unique ID. The message includes a receiver ID (Dest ID), a sender ID (Src ID), and a frame control block (FCB). The frame control block FCB includes an instruction for storing or playing back content.

The receiver ID is a unique ID of the message receiving device in wireless communication, and the caller ID is a unique ID of the calling device. This ID may be an IPv4 or IPv6 address. A specific target can be specified for the receiver ID. If all of the corresponding field values are 0xFF, it means broadcasting and may target all devices.

The flame control block FCB includes an instruction CMD. The command includes a storage request command (SAVE), a content playback request command (PLAY), a command for transmitting information necessary for storage or playback (TRANSFER), a command for searching for an available playback device or content being played (DISCOVER), and the like. May be included. Supported instructions can be variously modified or added.

In addition, a More bit (M), a Group Multicast (GM) bit, a Command / Register (C / R) bit, or the like may be included for controlling wireless communication. If the data to be sent is larger than the frame size, the data is split and sent using M bits. If you want to specify the receiver ID, you can set the GM bit to 1. The C / R bit can be set to 1 when sending and 0 when responding. Payload includes the information to be delivered to the wireless communication. That is, it searches for playable content or available playback device in the vicinity, inquires about a service provided by the device, executes the service, or retrieves information provided by the playback device.

The storage and reproducing method of content according to the preferred embodiment of the present invention based on the above configuration will be described.

4A is a communication diagram between a mobile terminal and a playback device for storing content.

Referring to FIG. 4A, when a plurality of playback devices are copying and playing content from a content server on a network at the request of a user or a third party, a communication process for storing the content being played by the user in his mobile terminal 101. Is displayed.

When the user requests the mobile terminal 101 to store the content being played (401), the mobile terminal 101 requests a plurality of playback devices 102 to 104 for information about the location information (UL) of the content. Send to the wireless communication (402). When receiving a message including the location information of the content from the plurality of playback devices 102 to 104 being played (403), the mobile terminal 101 displays this information to the user (404). When the user selects the location information of the content to be stored and makes a storage request (405), the mobile terminal 101 stores the location information of the selected content (406).

4B is a communication diagram between a mobile terminal and a playback device for playing content.

Referring to FIG. 4B, it illustrates a communication process when a user wants to play content stored at different time and place.

When the user requests to play the content (411), the mobile terminal 101 sends a message requesting information about the playback devices available to the plurality of playback devices (412). Upon receiving a response message from the available playback device (413), the user is presented with a usable playback device (414). When the user selects a playback device and requests playback (415), the mobile terminal 101 requests the playback of the content for the selected playback device (416). Upon receiving the request, the playback apparatus copies the content from the content server based on the location information of the content (417) and plays it (418).

The above description is only one embodiment of the present invention, and those skilled in the art may implement the present invention in a modified form without departing from the essential characteristics of the present invention. Therefore, the scope of the present invention should not be limited to the above-described examples, but should be construed to include various embodiments within the scope equivalent to those described in the claims.

As described above, according to the present invention, the mobile terminal can store the location information of the content being played back from the plurality of playback devices, and can copy the content to the playback device according to the stored location information later.

That is, any content that is to be played back later from any nearby playback device needs to store location information immediately without having to store the content in local memory, and then can be connected to any nearby communication regardless of time or space. The content corresponding to the stored location information may be played through the playback device.

Therefore, it is possible to simply store and play back content using location information regardless of time or place.

Claims (10)

In the system consisting of a plurality of playback devices connected to the network and a mobile terminal capable of wireless communication with the playback device, the method for storing the content in the mobile terminal, (a) requesting a plurality of playback devices, location information on a network of content being played; (b) receiving the location information in response to the request; And (c) storing the location information selected by the user among the received location information. The method of claim 1, Step (a) is Receiving a request for storing content being played back from a user, requesting the location information from a user-specified playback device, or requesting the location information from a plurality of communicable playback devices. The method of claim 1, Step (c) is Displaying the received plurality of location information to a user, and storing the location information selected by the user. In the system consisting of a plurality of playback devices connected to the network and a mobile terminal capable of wireless communication with the playback device, the method of the mobile terminal to play content through the playback device, (a) requesting a plurality of playback devices, information regarding available playback devices; (b) receiving information about the playback device in response to the request; And (c) requesting the playback of content through the stored location information on the network, for the playback device selected by the user among the received information about the playback device. The method of claim 4, wherein Step (a) is Receiving a request for playing content corresponding to the stored location information from a user, and requesting information about a usable playback device. The method of claim 4, wherein Step (c) is (c1) displaying the received information on the playback apparatus to the user; And (c2) requesting a playback device selected by the user to play the content so that the playback device copies and plays the content corresponding to the stored location information from the content server on the network. A recording medium on which a computer program for performing the method of any one of claims 1 to 6 is recorded. In a system consisting of a plurality of playback devices connected to the network and a mobile terminal capable of wireless communication with the playback device, the mobile terminal for requesting storage or playback of the content to the playback device, A user input / output unit for displaying or inputting location information on a network of content or information on a playback device to a user; A storage unit which stores location information about the content; A message processing unit for processing a message including a command for storing or playing content; A wireless communication unit for transmitting and receiving the message with the playback device; And Receives a request for storing or playing content through a user input / output unit and transmits the message to a message processing unit, and transmits the message to the wireless communication unit, or receives a message including location information or information about a playback device received from the wireless communication unit, and transmits the message to the message processing unit. And a control unit for providing location information or information on a playback device to the user input / output unit, and storing the location information in the storage unit. In a system consisting of a plurality of playback devices connected to the network and a mobile terminal capable of wireless communication with the playback device, the playback device for receiving and processing the request for storage or playback of content from the mobile terminal, A content reproducing unit for reproducing contents copied from a content server on a network; A message processing unit for processing a message including a command for storing or playing content; A wireless communication unit for transmitting and receiving the message with the mobile terminal; A network communication unit for copying corresponding content from a content server on a network using location information requested by a user; And Receives a message including a request for storing or playing content from the wireless communication unit and transmits the message to the message unit, receives the position information of the content from the request and provides it to the network communication unit. And a control unit provided in the playback apparatus. In a system consisting of a plurality of playback devices connected to a network and a mobile terminal capable of wireless communication with the playback device, a message used by the mobile terminal to request storage or playback of content from the playback device, Receiver ID; Caller ID; And A frame control block (FCB), And the frame control block (FCB) includes a command for storing or playing back content.