KR101668812B1 - Method and system for improving compatibility of renderer search using DLNA - Google Patents

Abstract

The present invention relates to a DLNA (Digital Living Network Alliance) of a home network, and relates to a method and system for improving compatibility of a playback apparatus search using a DLNA.
According to an embodiment of the present invention, a compatibility improvement method of a playback apparatus search using a DLNA that improves compatibility of a playback apparatus search using a DLNA in a DLNA (Digital Living Network Alliance) based home network environment includes a playback apparatus search step, An information storage step, an environment information transmission step, and a device information providing step.
The method and system for improving the compatibility of the playback apparatus search using the DLNA according to the embodiment of the present invention can solve the obstacle of the playback apparatus search due to the network environment or the device compatibility problem occurring in the networks of the individual users using the DLNA.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a method and system for improving the compatibility of a playback apparatus using DLNA,

The present invention relates to a DLNA (Digital Living Network Alliance) of a home network, and more particularly, to a method and system for improving compatibility of a playback apparatus search using a DLNA.

In general, a home network technology refers to a physical network technology that connects home information appliances to a network so that it can be freely used regardless of time and place.

Recently, there have been more and more scenes of exchanging AV (audio / video) contents such as music and video using an IP network. For example, it is natural to watch TV programs on the Internet or listen to music. And the tendency to exchange AV content over the network is spreading to ordinary households. Therefore, home is a trend that easily connects AV devices to home networks that enjoy AV contents. To realize this, various automation mechanisms are needed. It is not merely that a home appliance is connected to a LAN interface or a wireless LAN function, but it should be set so that it can recognize the existence of each other through the network, investigate whether or not the content exists, and exchange desired contents.

In the home network, it is necessary to confirm and authenticate whether the message on the transmitting side is a legitimate message or the authorized user on the transmitting side in the data communication between the devices or between the server and the device. In addition, in the communication between the server and the devices, a process of registering and authenticating each device for normal communication with the server is required. At this time, various authentication methods for mutual communication are also considered.

"Device and user authentication system and method in a home network" relates to a device authentication system and method in a home network, and relates to a device authentication method and a device authentication method in a home network, Discloses a device and a user authentication system and method in a home network that authenticates with differentiation.

The patent has some aspects to meet the requirement of an effective authentication method for a user and a corresponding device when connecting a device for efficient implementation of a home network.

In addition, various middleware (UPnP, HaVi, Jini, VESA, DLNA, etc.) are used for recognizing the existence of a partner through the network and for searching contents and exchanging desired contents.

DLNA (Digital Living Network Alliance), one of these middleware, is focused on sharing all contents provided from devices such as TV, VCR, digital camera, and audio system. For content sharing, interoperability of devices should be prioritized. Especially, the network connecting PC Internet network (PC, printer, etc.), mobile network (PDA, mobile phone, notebook), home appliance network (TV, audio, DVD player, etc.) in the home is a cooperation and interoperability framework (Operating Frame Work), and to comply with the standard, it is necessary to satisfy the operating (Operating).

In particular, the DLNA supports consumers to acquire, transmit, and manage many digital media contents (e.g., pictures, music, video, etc.) from a personal area device such as a mobile device or a PC will be. In other words, DLNA allows media contents to be conveniently enjoyed irrespective of the location and devices in the home.

To this end, the DLNA system is based on Universal Plug and Play (UPnP) and includes a wired network including a DMS (Digital Media Server), a DMP (Digital Media Player), a DMC (Digital Media Controller), and a DMR (Digital Media Renderer) And a wireless network system.

The DLNA system may configure a home network using a wired network (IEEE 802.3) or a wireless network (IEEE 802.11).

The DMS, the DMP, and the DMR on the home network are interconnected through a wire (IEEE 802.3) or a wireless network (IEEE 802.11). Digital devices on the home network can transmit data such as video and audio by IEEE 1394.

In order to use a renderer such as a TV using DLNA, a [Renderer device search] process using a UDP (User Datagram Protocol) broadcast technology is required. If a device can not be found according to the network environment, A compatibility problem in which the playback apparatus can not be found may occur.

This is a problem that occurs in an actual user's individual network, so it is difficult to confirm the contents and it is a great obstacle to use DLNA technology conveniently.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a DLNA capable of solving a problem of searching for a playback device due to a network environment or device compatibility problems occurring in individual users' And a method for improving the compatibility of the playback apparatus search using DLNA and a system therefor.

Another object of the present invention is to provide a method and system for improving compatibility of a playback apparatus search using a DLNA that can reduce a number of communication steps required in a playback apparatus search process by receiving information processed by a user in advance from an information server have.

It is another object of the present invention to provide a playback apparatus capable of receiving a search history using another smart terminal as an intermediate device through an information server even when the apparatus can not be searched due to a device compatibility problem between the playback apparatus and the smart terminal, And to provide a system and method for improving the compatibility of searching for a playback apparatus using DLNA that can be found.

The problems to be solved by the present invention are not limited thereto, and other matters not mentioned can be clearly understood by those skilled in the art from the following description.

In order to accomplish the above object, the present invention provides a method for improving compatibility of a playback apparatus search using DLNA. According to an embodiment of the present invention, there is provided a method for improving compatibility of a playback apparatus search using a DLNA that improves compatibility of a playback apparatus search using a DLNA in a DLNA (Digital Living Network Alliance) based home network environment, A playback apparatus searching step of searching for a playback apparatus in the DLNA; The first smart terminal transmits the collected first user environment information and the retrieved device information of the playback apparatus to the information server, and the information server stores the first user environment information and the device information, An information storage step; An environmental information transmission step of transmitting a second user environment information to the information server by a second smart terminal having a compatibility failure in searching the reproducing apparatus; And a device information providing step of the information server retrieving the device information corresponding to the second user environment information of the second smart terminal and providing the device information to the second smart terminal.

According to an example, the first and second user environment information may include the same router IP information in a DLNA-based home network environment.

According to an example, the first user environment information includes the location information of the first smart terminal, the second user environment information includes location information of the second smart terminal, And the location information of the second smart terminal are within a predetermined range.

According to an embodiment, the apparatus information may include IP information of the playback apparatus searched and information necessary for playback of the playback apparatus.

In addition, the present invention provides a compatibility improvement system for a playback apparatus search using DLNA. According to an embodiment of the present invention, a system for improving compatibility of a playback apparatus search using a DLNA that improves compatibility of a playback apparatus search using a DLNA in a DLNA (Digital Living Network Alliance) based home network environment searches for a playback apparatus in the DLNA A first smart terminal for collecting first user environment information and device information of the retrieved playback device; An information server for receiving and storing the first user environment information and the device information from the first smart terminal; And a second smart terminal having compatibility failure in the search of the playback apparatus and transmitting second user environment information to the information server, wherein the information server searches the device information corresponding to the second user environment information To the second smart terminal.

The method and system for improving the compatibility of the playback apparatus search using the DLNA according to the embodiment of the present invention can solve the obstacle of the playback apparatus search due to the network environment or the device compatibility problem occurring in the networks of the individual users using the DLNA.

In addition, a method and system for improving compatibility of a playback apparatus search using a DLNA according to an embodiment of the present invention can reduce a number of communication steps required in a search for a playback apparatus by receiving information previously retrieved by a user from an information server.

In addition, a method and system for improving the compatibility of a playback apparatus search using a DLNA according to an embodiment of the present invention may use a smart terminal as an intermediate apparatus even when the apparatus can not be searched due to a device compatibility problem between the playback apparatus and the smart terminal Since the search history can be received through the information server, there is an advantage that the playback apparatus can be found.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description of the claims.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate exemplary embodiments of the invention and, together with the description of the invention, It should not be construed as limited.
1 is a system configuration diagram showing a schematic configuration of a compatibility improvement system for searching for a playback apparatus using DLNA according to an embodiment of the present invention.
FIGS. 2 to 5 show an example of a process of searching for a playback apparatus in the smartphone in the compatibility improvement system of the playback apparatus search using the DLNA of FIG.
FIG. 6 is a diagram illustrating a process of transmitting user environment information by the smart terminal in the compatibility improvement system of the playback apparatus search using the DLNA of FIG.
FIG. 7 shows an example of a process of transmitting device information by the smart terminal in the compatibility improvement system of the playback apparatus search using the DLNA of FIG.
FIG. 8 is a flowchart illustrating a method of improving compatibility of a playback apparatus search using a DLNA according to an exemplary embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Each drawing has been partially or exaggerated for clarity. It should be noted that, in adding reference numerals to the constituent elements of the respective drawings, the same constituent elements are shown to have the same reference numerals as possible even if they are displayed on different drawings. Also, components and acts referred to as " comprising (or comprising) " do not exclude the presence or addition of one or more other components and operations. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

1 is a system configuration diagram showing a schematic configuration of a compatibility improvement system for searching for a playback apparatus using DLNA according to an embodiment of the present invention.

DLNA is a standard for home networking, and enables communication with devices meeting the DLNA standard among devices of the same network. The present invention relates to a system and method for improving the compatibility of a playback apparatus search using a DLNA in a DLNA (Digital Living Network Alliance) based home network environment. That is, the present invention is a method for solving the compatibility problem of searching for a playback apparatus in a remote network by improving DLNA method using DLNA.

Referring to FIG. 1, a compatibility improvement system 10 for searching for a playback apparatus using a DLNA includes a first smart terminal 100, an information server 200, and a second smart terminal 300.

The first smart terminal 100 can search the playback apparatus 1 in the DLNA-based home network environment. Here, the playback device 1 may be a TV, a speaker, or the like.

The first smart terminal 100 normally supports DLNA communication with the playback apparatus 1 and may be a kind of relay device. The first smart terminal 100 is a device that transmits information for connection between the device compatibility failure device and the playback device 1 to the information server 200. [ The first smart terminal 100 refers to a device having a CP (Controller) function among DLNA devices such as a smart phone or a tablet, and may be provided with at least one or more devices.

A playback device search (DLNA) technology called UPNP can be used to implement the device search function of the DLNA standard. In the case of UPNP, it is an abbreviation of UNIVERSAL PLUG AND PLAY, which enables devices to be recognized and communicated without a special device driver in a home network environment.

FIGS. 2 to 5 show an example of a process of searching for a playback apparatus in the smartphone in the compatibility improvement system of the playback apparatus search using the DLNA of FIG.

Referring to FIG. 2 to FIG. 5, a playback apparatus search (DLNA) to be improved in the present invention means a device search method using a UPNP in the DLNA standard, and device recognition using UPNP technology may be performed in the following steps.

First, the Advertisement is an event for advertising a device and a service when a device supporting a UPNP enters the network, and is transmitted in a multicast manner in the SSDP format And may be configured in the same manner as in FIG. Here, SSDP is an abbreviation of simple service discovery protocol. It is a network protocol used to find services or information of a network and is used as a basic protocol for UPNP.

Next, M-Search is an event generated by a device acting as a CP (Controller) among DLNA devices to search for a device in the network. In the present invention, the first smart terminal 100 may serve as a CP. Likewise, it is transmitted in a multicast manner of the SSDP format, and can have the format shown in FIG. 3 (a) and 3 (b) are each an example of a request and response format in order.

Hereinafter, the device description is a step of fetching a description of the DLNA device device information and may have a format as shown in FIG.

Finally, the service description retrieves the description information about the service provided by the DLNA device and can have the format as shown in FIG.

(More precisely, to acquire device information) is performed through each of the above steps (advertisement -> m-search -> device description -> service description) Control of reproduction / stop can be performed.

The first smart terminal 100 may collect the first user environment information X1 and the device information Y of the retrieved playback device 1. [ Here, the environment in the first user environment information X1 and the second user environment information X2 described below refers to a home network environment in which DLNA technology is used and means an environment in which a plurality of DLNA devices are connected to one router.

Accordingly, the first user environment information X1 and the second user environment information X2 may include the network environment using the playback apparatus 1 and the IP information Z of the router.

In addition, the first user environment information X1 may include the location information X1-1 of the first smart terminal 100. [ In addition, the first user environment information X1 may further include identification information such as MAC address information X1-2 of the first smart terminal 100, and the like.

The apparatus information Y of the reproducing apparatus 1 may include the retrieved IP information Y1 of the reproducing apparatus 1 and the information Y2 necessary for reproducing the reproducing apparatus 1. [ That is, the device information Y may be information (Y2) of the playback apparatus 1, such as IP information Y1 of the playback apparatus 1, main service of the playback apparatus 1, have.

The first smart terminal 100 may transmit the first user environment information X1 and the device information Y collected in the network to the information server 200. [

FIG. 6 is a diagram illustrating a process in which a smart terminal transmits user environment information in a compatibility improving system for searching for a reproducing apparatus using the DLNA shown in FIG. 1. FIG. 7 is a flowchart illustrating a compatibility improving system for searching for a reproducing apparatus using the DLNA shown in FIG. This is an example showing how the smart terminal transmits device information.

Referring to FIG. 6, the first smart terminal 100 may transmit the first user environment information X1 to the information server 200 in a JSON format. JSON (JavaScript Object Notation) is a way to express data when exchanging data on the internet.

Referring to FIG. 7, the first smart terminal 100 may transmit the device information Y in the JSON format. In FIG. 7, UDN denotes a unique device name.

The information server 200 can receive the first user environment information X1 and the device information Y from the first smart terminal 100. [

The information server 200 may store the first user environment information X1 and the device information Y that are authorized. The information server 200 may include a database (DB). The first user environment information X1 and the device information Y can be registered or recorded in the database DB.

As used herein, the term " server " refers to a logical building block, and is not necessarily a physically distinct component. It is obvious to those skilled in the art to which the present invention belongs.

The second smart terminal 300 may be a device having compatibility failure in the search of the playback device 1. [ Device incompatibility may occur in the playback device detection (DLNA) phase, such as when there is a problem with each communication process in the playback device search (DLNA), or in a compatibility issue that the TV can not normally handle for user-defined packets used in certain mobile phones This can mean a number of exceptional situations.

And the second smart terminal 300 may collect the second user environment information X2.

As described above, the second user environment information X2 may include the router IP information Z of the DLNA-based home network environment.

In addition, the second user environment information X2 may include location information (X2-1) of the second smart terminal. Since the first smart terminal 100 and the second smart terminal 300 are located in the same home network environment based on the DLNA, the first smart terminal's location information X1-1 and the second smart terminal's location information X2-1) may be within a predetermined range. Therefore, the location information X1-1 of the first smart terminal and the location information X2-1 of the second smart terminal are substantially the same.

In addition, the second user environment information X2 may further include identification information such as the MAC address information X2-2 of the second smart terminal 300, and the like.

The second smart terminal 300 may transmit the second user environment information X2 to the information server 200. [ Referring to FIG. 6, the second smart terminal 300 may transmit the second user environment information X2 to the information server 200 in a JSON format.

The information server 200 can retrieve the device information Y corresponding to the second user environment information X2. The information server 200 may transmit the retrieved device information Y to the second smart terminal 300. [ Referring to FIG. 7, the information server 200 may transmit the device information Y to the second smart terminal 300 in JSON format.

Accordingly, the second smart terminal 300 can use or control the playback apparatus 1 through the transmitted device information Y.

In the present invention, the user environment information (X1, X2) and the device information (Y) of the playback apparatus (1) do not fluctuate frequently or even when the DLNA function is normally used in the network The information server 200 can correct or update the stored user environment information X1 and X2 and the device information Y of the reproducing apparatus 1. [ In other words, the information server 200 can update the device information Y of the playback apparatus 1 from time to time based on the last received information.

Hereinafter, a method for improving the compatibility of DLNA-based playback apparatus search in a DLNA-based home network environment will be described using the present invention having the system configuration as described above.

FIG. 8 is a flowchart illustrating a method of improving compatibility of a playback apparatus search using a DLNA according to an exemplary embodiment of the present invention.

Referring to FIG. 8, a method for improving compatibility of a playback apparatus search using DLNA includes a playback apparatus search step S10, an environment and device information storage step S20, an environment information transmission step S30, and a device information providing step S40. .

In the playback device search step S10, at least one first smart terminal 100 can search for the playback device 1 in the DLNA.

Next, in the environment and device information storage step S20, the first smart terminal 100 collects the first user environment information X1 and the retrieved device information Y of the playback apparatus 1 to the information server 200 And the information server 200 may store the received first user environment information X1 and the device information Y. [

Thereafter, in the environmental information transmission step S30, the second smart terminal 300 having a compatibility failure in the search of the reproduction apparatus 1 may transmit the second user environment information X2 to the information server 200. [

In the device information providing step S40, the information server 200 searches the device information Y corresponding to the second user environment information X2 of the second smart terminal 300 and provides the device information Y to the second smart terminal 300 can do.

The detailed configuration of the compatibility improvement system 10 for searching for a playback apparatus using the DLNA of the present invention for performing the above steps has been described above, and thus, duplicated description will be omitted.

The present invention having the above-described configuration and method can solve the problem of searching for a playback apparatus due to a network environment or device compatibility problem occurring in networks of individual users using the DLNA. In addition, the present invention can reduce the number of communication steps required in the searching for the playback apparatus by receiving information pre-retrieved by the user from the information server.

In addition, even when the device can not be searched due to a device compatibility problem between the playback device and the smart terminal, the search history using another smart terminal as an intermediate device can be received through the information server, .

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention.

Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments.

The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

1: playback device
10: Compatibility Improvement System of Playback Device Search Using DLNA
100: first smart terminal
200: Information Server
300: a second smart terminal

Claims (5)

A method for improving compatibility of a playback apparatus search using a DLNA in a DLNA (Digital Living Network Alliance) -based home network environment,
A playback device searching step in which at least one first smart terminal searches for a playback device in the DLNA;
The first smart terminal transmits the collected first user environment information and the retrieved device information of the playback apparatus to the information server, and the information server stores the first user environment information and the device information, An information storage step;
An environmental information transmission step of transmitting a second user environment information to the information server by a second smart terminal having a compatibility failure in searching the reproducing apparatus; And
And a device information providing step of the information server retrieving and providing the device information corresponding to the second user environment information of the second smart terminal to the second smart terminal,
The retrieval of the playback apparatus is performed through UPnP (Universal Plug and Play)
The first and second user environment information includes the same router IP information in a DLNA-based home network environment,
Wherein the first user environment information includes location information and identification information of the first smart terminal,
Wherein the second user environment information includes location information and identification information of the second smart terminal,
The location information of the first smart terminal and the location information of the second smart terminal are within a predetermined range,
Wherein the apparatus information includes IP information of the playback apparatus searched and information necessary for playback of the playback apparatus,
Wherein the first user environment information, the second user environment information, and the device information are transmitted in a JSON format. delete delete delete A system for improving compatibility of a playback apparatus search using a DLNA in a DLNA (Digital Living Network Alliance) based home network environment,
A first smart terminal for searching for a playback device in the DLNA, and collecting first user environment information and device information of the searched playback device;
An information server for receiving and storing the first user environment information and the device information from the first smart terminal; And
And a second smart terminal for interfacing with the playback apparatus and transmitting second user environment information to the information server,
The information server retrieves and transmits the device information corresponding to the second user environment information to the second smart terminal,
The retrieval of the playback apparatus is performed through UPnP (Universal Plug and Play)
The first and second user environment information includes the same router IP information in a DLNA-based home network environment,
Wherein the first user environment information includes location information and identification information of the first smart terminal,
Wherein the second user environment information includes location information and identification information of the second smart terminal,
The location information of the first smart terminal and the location information of the second smart terminal are within a predetermined range,
Wherein the apparatus information includes IP information of the playback apparatus searched and information necessary for playback of the playback apparatus,
Wherein the first user environment information, the second user environment information, and the device information are transmitted in a JSON format.

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