KR101256838B1 - Method, apparatus and system for delivering mutually available information to connect primary screen and second screen - Google Patents

Abstract

A method, apparatus, and system for providing multiple screen services are provided. The first terminal receives data of one or more services from the server and provides a main screen of each of the one or more services. The second terminal receives from the first terminal a list of services providing multiple screens among the one or more services in the mall. The user selects one service from the list above. The second terminal receives the data of the selected service from the server, and provides the second screen of the selected service using the received data.

Description

METHOD, APPARATUS AND SYSTEM FOR DELIVERING MUTUALLY AVAILABLE INFORMATION TO CONNECT PRIMARY SCREEN AND SECOND SCREEN}

The following embodiments are directed to a method, apparatus and system for providing multiple screen services.

A method, apparatus, and system are disclosed for conveying mutually available information required for a connection between a primary screen and a second screen.

In general, a user receives information of a service from a server of a provider through his device and receives a service through the device. In a multi-device era, a user can use a particular service through two or more devices. For example, a user may retrieve information related to the content using another device (eg, a personal computer (PC) or a smartphone) while watching the content on a television (Television).

Korean Patent Publication No. 10-2011-0003964 (published January 13, 2011) discloses a method for a multi-screen service of a mobile terminal. The mobile terminal is connected to the cradle to request information of the secondary display device and obtain the information. The mobile terminal searches for a peripheral device by activating a preset wireless communication interface using a network manager to connect to the peripheral device. The mobile terminal uses the exhibition manager to change the unique screen information of the mobile terminal according to the characteristics of the secondary display device and to display the changed unique screen information on the display unit of the secondary display device.

The service provider may build a service that provides associated information to a user through a plurality of devices. Devices providing such services output different information (eg, screens, voice and music, etc.) from one another. In this case, the screen output by the main device providing the service may be viewed as the primary screen, and the screen output by the auxiliary device may be viewed as the second screen. For example, if the screen of the content output by the TV as the main device is the main screen, the screen of the information related to the content (eg, the title, genre, and cast of the content, etc.) output by the smartphone as the auxiliary device is the second screen. .

The second screen service provides, in providing a particular service, a main screen that can be output at the first device, as well as a second screen associated with the main screen that can be output at another second device. Means service.

The main screen and the second screen need to display information in conjunction with each other. In general, the server providing the second screen service may provide information necessary for the interworking. For example, when the first device outputting the main screen connects to the server and is provided with the service, the second device outputting the second screen may access the server and receive information associated with the service provided to the first device. It can be provided from the server.

One embodiment of the present invention can provide a method and system for providing a multi-screen service by using mutually available information between the terminals using one or more terminals.

An embodiment of the present invention may provide a method and apparatus for receiving information on multiple screen services from a terminal outputting a main screen and providing a list of multiple screen providing services based on the above information.

According to an aspect of the present invention, in a method for providing a second screen by a terminal, requesting service information from a main screen providing terminal, wherein the service information includes information on multi-screen services, and the multi-screen Services are one or more services that can provide a second screen of the services provided by the main screen providing terminal-receiving the service information from the main screen providing terminal, the second screen based on the service information Generating a list of provided services, wherein each of the one or more items in the second screen provided service list corresponds to one of the multiple screen services, and selecting one of the one or more items, the server Requesting data required to provide an optional service-said line A service is a service corresponding to the selected item of the multi-screen services,-receiving data necessary for providing the selection service from a server and using the data to provide a second screen of the selection service Provided is a second screen providing method comprising a.

The second screen providing method may further include searching for a network to search for terminals in the network, and selecting the main screen providing terminal among terminals found by the search.

The service information may include one or more URLs.

The one or more URLs may each point to an object.

The object may provide additional information about one of the multiple screen services of the multiple screen services.

The generating of the list may include receiving one or more objects indicated by the one or more URLs to obtain the additional information from the objects, and generating the second screen providing list based on the service information and the additional information. It may include the step.

Multiple screen providing servers may each provide one or more of the multiple screen services.

The objects may each be stored in one of the multiple screen providing servers.

The objects may be stored in the main screen providing terminal.

The additional information may include one or more of a title of the multi-screen service, a snapshot of the multi-screen service, and a description of a function obtainable by accessing the multi-screen service.

The second screen providing method further includes receiving available information for each of the multi-screen services from the server or the main screen providing terminal, wherein the available information indicates whether a corresponding multi-screen service is available. It may include.

The one or more items may be services that are determined to be available based on the available information among the multi-screen services.

The available information may include information indicating a specification required for using a multi-screen service corresponding to the available information.

The specification may include one or more of whether the terminal can identify the location of the terminal, including GPS, and whether the terminal can receive a signal from the particular sensor, including the particular sensor.

According to another aspect of the present invention, requesting service information including information on multi-screen services from a main screen providing terminal, wherein the multi-screen services provide a second screen among the services provided by the main screen providing terminal. One or more services that can be provided-A transceiver for receiving the service information from the main screen providing terminal and receiving data necessary for providing a selection service from a server and a second screen providing service based on the service information Generate a list, wherein each of the one or more items in the second screen providing service list corresponds to one of the multiple screen services; select one of the one or more items, and use the data to A control unit for providing a second screen of the selection service And, wherein the selected service is a service corresponding to the selected item of the multi-screen service, a terminal is provided.

According to another aspect of the present invention, in a method for transmitting a terminal necessary for the second screen service to the second screen providing terminal terminal providing the main screen, receiving data for providing one or more services from the server Providing a main screen of each of the one or more services using the data, receiving a request for service information from a second screen providing terminal, and providing a second screen of the one or more services. A second screen service information providing method is provided, comprising the steps of identifying services that are present and transmitting the service information including information about the identified services to the second screen providing terminal.

The second screen service information providing method may further include receiving a request for additional information on a multi-screen service from the second screen providing terminal, wherein the multi-screen service is one of the identified services; and the second The method may further include transmitting additional information about the multi-screen service to a screen providing terminal.

The additional information may be periodically pushed to the second screen providing terminal.

The second screen providing method may further include transmitting a query for authentication of the second screen providing terminal, receiving a response to the query from the second screen providing terminal, and based on the response. The method may further include authenticating the providing terminal.

The transmitting of the service information may be performed when the authentication passes.

According to still another aspect of the present invention, a transceiver for receiving data for providing one or more services from a server and a control unit for providing the first screen of the one or more services using the data, the transceiver is Receiving a request for service information from a second screen providing terminal, the controller identifies services capable of providing a second screen among the one or more services, and the transceiver unit transmits the identified service to the second screen providing terminal. A terminal is provided, which transmits service information including information about the fields.

According to another aspect of the invention, the first terminal receives data for providing one or more services from a server, the first terminal using the data to provide a main screen of each of the one or more services Requesting service information from the first terminal by the second terminal, wherein the service information includes information on the multi-screen services, wherein the multi-screen services provide a second screen of the one or more services. Services that can be performed, the first terminal identifying the multiple screen services among one or more services, the first terminal including information about the identified multiple screen services to the second terminal; Transmitting service information and providing a second screen by the second terminal based on the service information; Generating a scan list, - there is provided a multi-screen providing method comprising the said second screen provides at least one item in the service list are respectively corresponding to the multi-screen of the service of a service.

Provided are a method and system for providing a multi-screen service using one or more terminals to convey mutually available information between the terminals.

Provided are a method and an apparatus for receiving information on multiple screen services from a terminal outputting a main screen and providing a list of multiple screen providing services based on the above information.

1 is a structural diagram of a multi-screen providing system according to an embodiment of the present invention.
2 is a signal flow diagram of a multi-screen providing method according to an embodiment of the present invention.
3 is a structural diagram of a first terminal according to an embodiment of the present invention.
4 is a structural diagram of a second terminal according to an embodiment of the present invention.
5 is a block diagram of a browser according to an embodiment of the present invention.
6 illustrates a service discovery screen according to an embodiment of the present invention.
7 illustrates a method of providing information to a second terminal according to an embodiment of the present invention.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to or limited by the embodiments. Like reference symbols in the drawings denote like elements.

Hereinafter, the terms “Uniform Resource Locator (URL)” and “Uniform Resource Identifier (URI)” are used in the same sense and may be interchanged with each other.

Hereinafter, a terminal, an apparatus, and a device may be used in the same sense and may be replaced with each other. The terminal may include a personal computer, a smartphone, a touch pad, a set-top, and the like.

1 is a structural diagram of a multi-screen providing system according to an embodiment of the present invention.

The multiple screen providing system 100 (hereinafter, abbreviated as system 100) includes a server 110, a first terminal 120, and a second terminal 130.

The server 110 provides a multi screen service. The first terminal 120 and the second terminal 130 are each provided with data necessary for the multi-screen service from the server 110. The first terminal 120 outputs the main screen of the service. The second terminal 130 outputs a second screen of the service. Accordingly, the first terminal 120 and the second terminal 130 may output screens associated with each other.

For example, the first terminal 120 may output video content as a main screen, and the second terminal 130 may provide a snapshot of the video content, metadata of the video content, and the video content. An interface or the like for manipulating playback can be output as the second screen. Here, the snapshot refers to an image capturing a specific scene of a content such as a video. The user may watch video content through the first terminal 120, and may check metadata of the video content or manipulate playback of the video content through the second terminal 130. Information about the above operation is transmitted from the second terminal 130 to the server 110, the server 110 adjusts the data transmitted to the first terminal 120 in accordance with the above operation. As data provided to the first terminal 120 is adjusted by the server, a result corresponding to the above operation is output through the main screen.

The user may be provided with multiple screens through the first terminal 120 and the second terminal 130, and operate the first terminal 120 and the second terminal 130 to provide the multi-screen service from the server 110. Can be provided.

The multiple screen service may be a web service supporting multiple screens. That is, the server 110 may provide one or more web pages as a multi-screen service, and specific content may be provided to the multi-screen by the one or more web pages. The first terminal 120 may be provided with web pages for outputting the main screen, and the second terminal 130 may be provided with web pages for outputting the second screen.

2 is a signal flow diagram of a multi-screen providing method according to an embodiment of the present invention.

The server 110 provides one or more services to the first terminal 120 and the second terminal 130. Some or all of the services provided by the server 110 may be multiple screen services. The first terminal 120 is a main screen providing terminal for providing a main screen, and the second terminal 130 is a second screen providing terminal for providing a second screen for the main screen. The server 110 or the first terminal 120 may be one or more.

In the following steps, a method is disclosed in which a first terminal 120 providing a main screen transmits information necessary for a second screen service to a second terminal 130 providing a second screen.

In steps 210 and 212, the first terminal 120 may receive one or more services from the server. Here, each of the one or more services may be a multi-screen service, or may be a single screen service providing only the main screen.

In operation 210, the first terminal 120 may request data for providing one or more services to the server 110.

In operation 212, the first terminal 120 may receive data for providing one or more services from the server 110.

In step 214, the first terminal can provide the main screen of each of the one or more services using the received data. Here, "provision of a screen" may mean that the terminal outputs a screen through the display unit of the terminal.

Steps 210, 212, and 214 described above may be performed continuously (or repeatedly). That is, the first terminal 120 may continuously request data for providing one or more services to the server 110, and may continuously receive the data from the server 110. In addition, the first terminal 120 may continue to provide the main screen of each of the one or more services using the received data.

As step 210, step 212, and step 214 are continuously performed, the first terminal 120 may wait for a request for service information from the outside.

In operation 220, the second terminal 130 searches for one or more terminals in the network by searching for the network to which it is connected. One or more terminals including the first terminal 120 may be found by the above search.

In operation 222, the second terminal 130 may select the first terminal 120 among the terminals found by the search.

In operation 230, the second terminal 130 requests service information from the first terminal 120. The first terminal 120 may receive a request for service information from the second terminal 130.

Service information includes information about multiple screen services. The multi-screen service is a service capable of providing a second screen among one or more services provided by the first terminal 120. There may be more than one multi-screen service. That is, the first terminal 120 may provide one or more multi-screen services.

In the following steps 240 to 246, an operation for authenticating the target (that is, the second terminal 130) for which the first terminal 120 receives the request for the service information is requested to be performed is performed. Can be. When the first terminal 120 and the second terminal 130 belong to the same domain, the first terminal 120 may omit steps 240 to 246.

In operation 240, the first terminal 120 may transmit a query for authentication of the second terminal 130. The query may be a query for confirming authentication information of the second terminal 130. The query may be generated using a random number or a code specified by the user.

In operation 242, the second terminal 130 may generate a response to the query.

In operation 244, the second terminal 130 may transmit a response to the query to the first terminal 120. The first terminal 120 receives the response from the second terminal 130.

In step 246, the first terminal 120 authenticates the second terminal 130 based on the response. For example, if the response is suitable for the query, the first terminal 120 may consider that the second terminal 130 has passed the authentication.

The first terminal 120 may selectively perform steps 250 and 252 to be described later, provided that the above authentication is passed. If authentication is not passed, step 240 may be repeated. That is, in step 240, the first terminal 120 may transmit a re-query for authentication of the second terminal 130 to the second terminal 130.

In operation 250, the first terminal 120 may identify multiple screen services among one or more services that provide a main screen. That is, the multiple screen service described in step 250 is one of the identified services.

In operation 252, the first terminal 120 may transmit service information to the second terminal 130. The service information includes information of identified services (ie, multiple screen services). The second terminal 130 may receive service information from the first terminal 120.

In steps 260 to 270, the second terminal 130 generates a second screen providing service list based on the service information. The second screen providing service list is a list having multiple screen services provided by the first terminal 120 as an item. That is, the second screen providing service list has one or more items, and each of the one or more items in the second screen providing service list corresponds to one of the multiple screen services provided by the first terminal 120.

In operation 260, the second terminal 130 requests additional information about the multi-screen service from the server 110 or the first terminal 120. The additional information may be information about each of one or more multi-screen services.

The service information may include one or more URLs. One or more URLs may each point to an object. The object pointed to by the URL may provide additional information about the multiple screen service of one of the one or more multiple screen services. For example, when the object is a text file that can be accessed through the Internet, the contents of the text file may be additional information about the multi-screen service corresponding to the object.

The additional information may include information on the multi-screen service required for the second terminal 130 to configure the service discovery screen. The service discovery screen is described in detail below with reference to FIG.

In operation 262, the server 110 or the first terminal 120 transmits additional information about the multi-screen service to the second terminal 130.

For example, in step 260, the second terminal 130 may access one or more objects pointed to by the one or more URLs above, and in step 262, the second terminal 130 may access the one or more URLs above. By receiving one or more objects to which they point, it is possible to obtain additional information of multiple screen services from said objects.

When there are a plurality of servers 110, multiple screen services may be provided by different servers 110. A server providing one or more of the above multiple screen services is called a multiple screen providing server.

The objects may be stored in one of the multiple screen providing servers. For example, a particular multi-screen providing server may provide additional information about the multi-screen service that it provides (to other terminals), and may provide an object including the additional information.

In addition, the above objects may be stored in the first terminal 120. For example, the first terminal 120 may provide additional information about the multi-screen service provided by the user (to the user), and may provide an object including the additional information.

Accordingly, the second terminal 130 may receive a terminal including additional information by accessing the server 110 (ie, multiple screen providing servers) or the first terminal 120.

In operation 264, the second terminal 130 requests available information about each of the multi-screen services from the server 110 or the first terminal 120.

Available information may be information indicating whether a corresponding multi-screen service is available.

Available information may include information indicating whether a multi-screen service can be provided by the server 110 or the first terminal 120.

The available information may include information indicating a specification required for a specific terminal to use a multi-screen service corresponding to the available information. The above specification provides for 1) whether the terminal can access a particular memory (eg, external memory), and 2) the terminal identifies the location of the terminal, including the Global Positioning System (GPS). 3) whether the terminal can receive a signal from the specific sensor, including a specific sensor. For example, in certain multi-screen services, the second screen may require input through a touch pad. In this case, the available information of the multi-screen service may include information indicating that the terminal providing the second screen of the multi-screen service should have a touch pad. Therefore, when the second terminal 130 does not have a touch pad, the second terminal 130 may identify that the multi-screen service cannot provide the multi-screen service through the additional information of the multi-screen service. have.

In step 266, the second terminal 130 receives available information for each of the multi-screen services from the server 110 or the first terminal 120.

In operation 270, the second terminal 130 generates a second screen providing service list.

One or more items in the second screen providing service list correspond to one of the multiple screen services, respectively.

The second terminal 130 may generate a second screen providing service list based on one or more of service information, additional information, and available information.

The service information may be basically used to generate the second screen providing service list. The additional information may be used to construct the contents of each of the items in the second screen providing service list. The available information may be used to identify the services to be included in the second screen providing service list among the multiple screen services in the service information received by the second terminal 130 from the first terminal 120. That is, the second terminal 130 may include only the multi-screen services available to the second terminal 130 among the multi-screen services in the service information in the second screen providing service list. The second terminal 130 can identify the multiple screen services that can be used by the second terminal 130 by using the available information of each of the multiple screen services.

In step 272, the second terminal 130 selects one of the one or more items in the second screen providing service list. In this case, the selection may be performed by the user of the second terminal 130 selecting one of the items output on the display unit of the second terminal 130.

That is, in step 272, the second terminal 130 selects one item among the items output on the display unit of the second terminal 130 to connect to the multi-screen providing service indicated by the selected item. You can wait for the request. When the user selects one of the above items through the input unit of the second terminal 130, the second terminal 130 may identify the item selected by the user and select the identified item. have.

In operation 280, the second terminal 130 requests data required for providing the selection service to the server 110. The selection service is a service corresponding to the item selected in step 272 of the multiple screen services provided by the server 110.

In operation 282, the second terminal 130 receives data necessary for providing a selection service from the server 110.

In step 290, the second terminal 130 provides a second screen of the selection service using the above data.

Steps 280, 282, and 290 described above may be performed continuously (or repeatedly). That is, the second terminal 130 may continuously request data for providing the selection service to the server 110, and may continuously receive the data from the server 110. In addition, the second terminal 130 may continue to provide the second screen of the selection service using the received data.

3 is a structural diagram of a first terminal according to an embodiment of the present invention.

The first terminal 120 may include a transceiver 310, a controller 320, an input unit 330, and a display unit 340.

The transceiver 310 transmits and receives data with the server 110 or the second terminal 130. For example, the transceiver 310 may receive data for providing one or more services from the server 110, may receive a request for service information from the second terminal 130, and the second terminal 130. Service information including information about services identified as a multi-screen service can be transmitted to the mobile station. In addition, the transceiver 310 may perform the aforementioned steps 210, 212, 230, 240, 244, 252, 260, 262, 264, and 266.

The controller 320 performs operations for providing the multi-screen service by the first terminal 120. For example, the control unit 320 may provide primary screens of one or more services using data for providing one or more services, and identify multiple screen services that may provide a second screen of one or more services. Can be. In addition, the controller 320 may perform the above-described steps 214, 246, and 250, and the steps 210, 212, 230, 240, 244, 252, 260, and 262 performed by the transceiver 310. , 264 and 266 may be performed for the generation and processing of information (or data).

The input unit 330 may provide a function necessary for the user to manipulate the first terminal 120. The input unit 330 may include a key, a voice recognition device, a touch pad, and other sensors.

The display unit 340 may display information output by the control of the controller 320. For example, the display unit 340 may display primary screens of one or more services provided by the controller 320. The display unit may include a liquid crystal display (LCD) and an image output port. In addition, the display unit 340 may also include a device for transmitting information to the user in a manner other than an image such as a speaker and a vibration device.

The technical contents according to one embodiment of the present invention described above with reference to Figs. 1 and 2 can be directly applied to this embodiment as well. Therefore, more detailed description will be omitted below.

4 is a structural diagram of a second terminal according to an embodiment of the present invention.

The second terminal 130 may include a transceiver 410, a controller 420, an input unit 430, and a display unit 440.

One physical terminal may operate as the first terminal 120 or may operate as the second terminal 130 according to, for example, software installed in the physical terminal. Therefore, the description of each component of the first terminal 120 conducted with reference to FIG. 3 may also be applied to each component of the second terminal 130. The descriptions of the transceiver 310, the controller 320, the input unit 330, and the display unit 340 of the first terminal 120 are described with the transceiver 410, the controller 420, and the second terminal 130, respectively. The same may be applied to the input unit 430 and the display unit 440. Therefore, the overlapping description is omitted below.

The transceiver 410 transmits and receives data with the server 110 or the first terminal 120.

For example, the transmitter / receiver 410 may request service information including information on multiple screen services from the first terminal 120, receive service information from the first terminal 120, and the server 110. Data necessary to provide a selection service) can be received. In addition, the transceiver 410 may perform the above-described steps 230, 240, 244, 252, 260, 262, 264, 266, 280, and 282.

The controller 420 performs operations for providing the multi-screen service by the second terminal 130. For example, the controller 420 may generate a second screen providing service list based on the service information, select one of the one or more items in the second screen providing service list, and receive from the server 110. One data may be used to provide a second screen of the selection service. In addition, the controller 420 may perform the above-described steps 220, 222, 242, 246, 250, 270, 272, and 290, and the steps 230, 240, and 244 performed by the transceiver 410. , 252, 260, 262, 264, 266, 280, and 282 may perform a portion related to generation and processing of information (or data).

The input unit 430 may provide a function necessary for the user to manipulate the second terminal 130. In operation 272, the user may select one of the one or more items displayed on the display unit 340 by manipulating the input unit 430. The input unit 430 may transmit information about the selected item to the controller 420.

The display unit 440 may display information output by the controller 420. For example, the display unit 340 may display secondary screens of one or more multi-screen providing services displayed by the controller 420.

5 is a block diagram of a browser according to an embodiment of the present invention.

The browser 500 may be a program (or an application) executed in the first terminal 120 or the second terminal 130.

As described above, the service provided by the server 110 may be a web service. Accordingly, the first terminal 120 or the second terminal 130 may include a browser 500 to provide a web service. The browser 500 may be software executed by the controller 320 of the first terminal 120 or the controller 420 of the second terminal 120. Alternatively, the controller 320 of the first terminal 120 or the controller 420 of the second terminal 120 may include a browser 500.

The browser 500 may include a data storage 510, a browser engine 520, and a render engine 550.

The browser engine 520 may include a resource dispatcher host 530 and a policy manager 540.

The render engine 550 may include a policy parser 560, a render thread 570, a resource dispatcher 580, and a web kit 590. have. The access right parser 550 may also be referred to as a content security policy.

The data store 510 may provide a cache function of the browser 500. The data store 510 may store (temporarily) data needed to display a web page within an application or web browser.

The resource dispatcher host 530 reads resources (eg, a picture file or a script file) necessary for actually constructing the HTML page from the server storing the resource. The resource dispatcher host 530 may request the transceiver 310 (or the transceiver 410) to receive the resource, and transmit the resource via the transceiver 310 (or the transceiver 410). Can bring resources.

The access right manager 540 may periodically obtain the access right of the first service from the access right parser 560 when the first terminal 110 outputs the main screen of the multi-screen service, and the access right. Can be updated. The access right manager 540 can store the updated access right in the data store 510. The access right may be used at step 246 for the first terminal 120 to authenticate the second terminal 130.

The access right parser 560 may parse the HTML in the HTML page to extract the access right from the HTML page. The access right parser 560 may transmit the extracted access right to the access right manager 540.

The render thread 570 reads the HTML page from the server 110 and renders the HTML page in the browser using the resources constituting the HTML page. The render thread 570 may request the transceiver 310 (or the transceiver 410) to receive the HTML page from the server 110, and the transceiver 310 (or the transceiver 410). )) To get the above HTML page.

The resource dispatcher 580 can request the resource dispatcher host 530 for the resources required by the render thread 570 to draw the HTML page. The resource dispatcher 580 may receive the above resources from the resource dispatcher host 530. The resource dispatcher 580 can provide the resources to the render thread 570 so that the render thread 570 can use the resources to construct an HTML page.

The web kit 590 can configure the layout of the HTML page so that the resources that make up the HTML page and the elements of the HTML page are placed in a suitable location within the browser.

6 illustrates a service discovery screen according to an embodiment of the present invention.

The service discovery screen 600 is a screen indicating multiple screen services that the second terminal 130 can provide and may be output in the display unit 440.

The service discovery screen 600 may include a title unit 610, a first terminal information unit 620, and an item unit 630.

The title unit 610 is a part for displaying a title of a program (or an application) for outputting the service discovery screen 600.

The first terminal information unit 620 is a part for displaying the terminals in the network found in step 220. Buttons (or icons) in the first terminal information unit 620 represent one terminal among the terminals in the searched network. A first icon 622 is shown corresponding to the first terminal 120.

The user may select one of the terminals found by the search by selecting one of the buttons in the first terminal information unit 620. In operation 220, the second terminal 130 may select the terminal selected by the user as the first terminal 120.

The item unit 630 may display items corresponding to each of the multi-screen providing services provided by the selected terminal.

The item 640 corresponding to the first multi-screen providing service is shown, and 1) a snapshot 642 of the multi-screen service represented by the item 640, and 2) a title of the multi-screen service represented by the item 640. 644 and 3) A description 646 of the functionality that the second device 130 can obtain by accessing the multiple screens indicated by item 640 is shown.

That is, in order to configure the service discovery screen, additional information for each of the multi-screen services described in steps 260 and 262 may be required. The additional information includes one or more of 1) a title of a multi-screen service, 2) a snapshot of the multi-screen service, and 3) a description of a function that the second terminal 130 can obtain by accessing the multi-screen service. can do.

Technical contents according to an embodiment of the present invention described above with reference to FIGS. 1 to 5 may be applied to the present embodiment as it is. Therefore, more detailed description will be omitted below.

7 illustrates a method of providing information to a second terminal according to an embodiment of the present invention.

The service information, additional information, or available information described above with reference to FIG. 2 may be transmitted from the first terminal 120 or the server 110 to the second terminal 130 through various methods.

In the following, one or more of service information, additional information, and available information is briefly referred to as 'information'.

When information is transmitted from the server 110 to the second terminal 130, the server 110 may manage information provided by each of the one or more first terminals. In this case, for example, in steps 260 and 264, the second terminal 130 needs to access the server 110 to obtain the above information before using the multi-screen service.

When the information is generated, the first terminal 120 may transmit the initial value of the information to the server 110. The server 110 may store an initial value of the transmitted information. Thereafter, the server 110 may periodically scan and update the information from the first terminal 120.

When information is transmitted from the first terminal 120 to the second terminal 130, for example, in steps 230, 252, 260, 262, 264 and 266, the first terminal 120 may be connected to the browser 600. Alternatively, information may be exchanged with the second terminal 130 through a separate program (or application). The information can be exchanged in the form of HTTP or a simple datagram. The first terminal 120 may push information 130 to the second terminal 130 periodically. As information including additional information is pushed to the second terminal 130 periodically, the second terminal 130 may recognize the multiple screen services.

Technical contents according to an embodiment of the present invention described above with reference to FIGS. 1 to 6 may be applied to the present embodiment as it is. Therefore, more detailed description will be omitted below.

The method according to an embodiment of the present invention can be implemented in the form of a program command which can be executed through various computer means and recorded in a computer-readable medium. The computer readable medium may include program instructions, data files, data structures, etc. alone or in combination. The program instructions recorded on the medium may be those specially designed and constructed for the present invention or may be available to those skilled in the art of computer software. Examples of computer-readable media include magnetic media such as hard disks, floppy disks and magnetic tape; optical media such as CD-ROMs and DVDs; magnetic media such as floppy disks; Magneto-optical media, and hardware devices specifically configured to store and execute program instructions such as ROM, RAM, flash memory, and the like. Examples of program instructions include machine language code such as those produced by a compiler, as well as high-level language code that can be executed by a computer using an interpreter or the like. The hardware devices described above may be configured to operate as one or more software modules to perform the operations of the present invention, and vice versa.

As described above, the present invention has been described by way of limited embodiments and drawings, but the present invention is not limited to the above embodiments, and those skilled in the art to which the present invention pertains various modifications and variations from such descriptions. This is possible.

Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined by the equivalents of the claims, as well as the claims.

110: server
120: first terminal
130: a second terminal.

Claims (15)

In the method for the terminal to provide a second screen,
Requesting service information from a main screen providing terminal-the service information includes information on multiple screen services, and the multi screen services can provide a second screen among services provided by the main screen providing terminal; One or more services present;
Receiving the service information from the main screen providing terminal;
Generating a second screen providing service list based on the service information, wherein one or more items in the second screen providing service list correspond to one of the multiple screen services, respectively;
Selecting one of the one or more items;
Requesting data necessary for providing a selection service to a server, wherein the selection service is a service corresponding to the selected item of the multi-screen services;
Receiving data necessary for providing the selection service from a server; And
Providing a second screen of the selection service using the data
The second screen providing method comprising a. The method of claim 1,
Searching for a network to search for terminals in the network; And
Selecting the main screen providing terminal among the terminals found by the search;
Further comprising a, the second screen providing method. The method of claim 1,
The service information comprises one or more URLs, each of the one or more URLs pointing to an object, the object providing additional information for one of the multiple screen services of the multiple screen services,
Generating the list,
Receiving one or more objects indicated by the one or more URLs to obtain the additional information from the objects; And
Generating the second screen providing list based on the service information and the additional information;
The second screen providing method comprising a. The method of claim 3,
The multiple screen providing servers each provide one or more of the multiple screen services,
And the objects are each stored within one of the multiple screen providing servers. The method of claim 3,
And the objects are stored in the main screen providing terminal. The method of claim 3,
The additional information includes one or more of a title of the multi-screen service, a snapshot of the multi-screen service, and a description of a function obtainable by accessing the multi-screen service. The method of claim 1,
Receiving available information on each of the multi-screen services from the server or the main screen providing terminal, wherein the available information indicates whether a corresponding multi-screen service is available;
Further comprising:
And wherein the one or more items are ones of the multiple screen services that are determined to be available based on the available information. The method of claim 7, wherein
The available information includes information indicating a specification required for using a multi-screen service corresponding to the available information;
The specification includes one or more of whether the terminal can identify a location of the terminal, including GPS, and whether the terminal can receive a signal from the particular sensor, including a particular sensor; How to Provide. Request service information including information on multi-screen services from a main screen providing terminal, wherein the multi-screen services are one or more services capable of providing a second screen among services provided by the main screen providing terminal; A transceiver for receiving the service information from the main screen providing terminal and receiving data necessary for providing a selection service from a server; And
Generate a second screen providing service list based on the service information, wherein one or more items in the second screen providing service list each correspond to one of the multiple screen services; A control unit for selecting an item and using the data to provide a second screen of the selection service
Including,
The selection service is a service corresponding to the selected item of the multi-screen services. In the method for the terminal providing the main screen to transmit the information required for the second screen service to the second screen providing terminal,
Receiving data for providing one or more services from a server;
Providing a main screen of each of the one or more services using the data;
Receiving a request for service information from a second screen providing terminal;
Identifying services that can provide a second screen of the one or more services; And
Transmitting the service information including the information on the identified services to the second screen providing terminal.
The second screen service information providing method comprising a. The method of claim 10,
Receiving a request for additional information on a multi-screen service from the second screen providing terminal, wherein the multi-screen service is one of the identified services; And
Transmitting additional information about the multi-screen service to the second screen providing terminal;
Further comprising:
The additional information includes one or more of a title of the multi-screen service, a snapshot of the multi-screen service, and a description of a function that can be obtained by accessing the multi-screen service. The method of claim 11,
And the additional information is periodically pushed to the second screen providing terminal. The method of claim 10,
Transmitting a query for authentication of the second screen providing terminal;
Receiving a response to the query from the second screen providing terminal; And
Authenticating the second screen providing terminal based on the response
The method of claim 2, wherein the transmitting of the service information is performed when the authentication passes. A transceiver for receiving data for providing one or more services from a server; And
A controller for providing primary screens of the one or more services using the data
Including,
The transceiver unit receives a request for service information from a second screen providing terminal, the controller identifies services capable of providing a second screen among the one or more services, and the transceiver unit transmits the second screen providing terminal to the second screen providing terminal. And transmitting service information including information about the identified services. Receiving, by the first terminal, data for providing one or more services from the server;
Providing, by the first terminal, a main screen of each of the one or more services using the data;
Requesting service information from the second terminal by the second terminal, wherein the service information includes information on multiple screen services, wherein the multiple screen services can provide a second screen of the one or more services; Services-;
Identifying, by the first terminal, the multiple screen services among one or more services;
Transmitting, by the first terminal, the service information including information about the identified multi-screen services to the second terminal; And
Generating, by the second terminal, a second screen providing service list based on the service information, wherein one or more items in the second screen providing service list correspond to one of the multiple screen services;
Including, multiple screen providing method.

Images