KR20080067247A - Tv upgrade method using d-sub cable - Google Patents

Tv upgrade method using d-sub cable Download PDF

Info

Publication number
KR20080067247A
KR20080067247A KR1020070004537A KR20070004537A KR20080067247A KR 20080067247 A KR20080067247 A KR 20080067247A KR 1020070004537 A KR1020070004537 A KR 1020070004537A KR 20070004537 A KR20070004537 A KR 20070004537A KR 20080067247 A KR20080067247 A KR 20080067247A
Authority
KR
South Korea
Prior art keywords
software
upgrade
new
version
sub cable
Prior art date
Application number
KR1020070004537A
Other languages
Korean (ko)
Inventor
오현수
Original Assignee
주식회사 대우일렉트로닉스
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 대우일렉트로닉스 filed Critical 주식회사 대우일렉트로닉스
Priority to KR1020070004537A priority Critical patent/KR20080067247A/en
Publication of KR20080067247A publication Critical patent/KR20080067247A/en

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81—Monomedia components thereof
    • H04N21/8166—Monomedia components thereof involving executable data, e.g. software
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/458—Scheduling content for creating a personalised stream, e.g. by combining a locally stored advertisement with an incoming stream; Updating operations, e.g. for OS modules ; time-related management operations
    • H04N21/4586—Content update operation triggered locally, e.g. by comparing the version of software modules in a DVB carousel to the version stored locally
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
    • H04N21/6118—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving cable transmission, e.g. using a cable modem
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
    • H04N21/6125—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via Internet
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F2213/0016—Inter-integrated circuit (I2C)

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Databases & Information Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

An upgrade method of a TV system using a D-sub cable is provided to compare a software version downloaded through an internet net with pre-stored software in the TV system and to upgrade the software automatically based on the selection of a user, thereby upgrading the TV system. An upgrade method of a TV system using a D-sub cable comprises the steps of; downloading new software(S10); checking a software version of the present TV system and a new downloaded soft version from a service company and checking whether a difference exists(S20,S30); displaying the new software to upgrade the present software and displaying that the TV system is upgraded by the new software(S40); checking a new upgrade intention by using the new software; and receiving a software from the PC, carrying out the upgrade, resetting EDID(Extended Display Identification Data) information, and storing the new information when the upgrade is selected(S60).

Description

Ｄ-ＳＵＢ 케이블을 이용한 ＴＶ 시스템 업그레이드 방법{TV upgrade method using D-SUB cable}TV system upgrade method using D-SＵＢ cable {TV upgrade method using D-SUB cable}

도 1 은 본 발명의 실시예에 따른 D-SUB 케이블을 이용한 TV 시스템 업그레이드 장치의 블럭 구성도. 1 is a block diagram of a TV system upgrade apparatus using a D-SUB cable according to an embodiment of the present invention.

도 2 는 본 발명의 실시예에 따른 D-SUB 케이블을 이용한 TV 시스템 업그레이드 방법의 순서도.2 is a flow chart of a TV system upgrade method using a D-SUB cable according to an embodiment of the present invention.

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for main parts of the drawings>

10: TV 시스템10: TV system

11: 마이컴11: micom

12: 메모리부12: memory

13: OSD 처리부13: OSD processor

14: 영상처리부14: image processing unit

15: 키입력부15: key input unit

20: PC20: PC

30: 서비스 업체 30: Service Provider

본 발명은 TV 시스템 업그레이드 방법에 관한 것으로서, 더욱 상세하게는 D-SUB 케이블을 이용하여 TV 시스템의 소프트웨어를 업그레이드하는 D-SUB 케이블을 이용한 TV 시스템 업그레이드 방법에 관한 것이다.The present invention relates to a TV system upgrade method, and more particularly, to a TV system upgrade method using a D-SUB cable for upgrading software of a TV system using a D-SUB cable.

TV 기술이 아날로그방식에서 위성방송 및 디지털방식으로 변모함에 따라 티브이 관련기술이 양적/질적으로 급속히 발전해가고 있다. 특히, 양적인 면에서, 아날로그에 비해 디지털 방식은 훨씬 많은 채널의 운용이 가능한 TV에서 방송되는 채널의 수도 기하급수적으로 증가하고 있다.TV-related technology is rapidly developing quantitatively and qualitatively as TV technology is changed from analog to satellite broadcasting and digital. In particular, in quantitative terms, digital systems are growing exponentially as compared to analog channels.

따라서 사용자는 단순히 몇몇 채널 또는 방송국명을 인지하는 것만으로는 다양한 채널을 활용할 수 없을 뿐만 아니라, 자신이 원하는 방송 프로그램의 시청도 어렵게 되므로 최근의 TV 기술은 시청자가 손쉽게 각 방송 프로그램을 파악하고 선택할 수 있도록 방송국으로부터 제공되는 각 채널의 방송 프로그램 정보를 사용자가 원할 때 화면상에 표시하는 방송정보 안내기능을 구비하게 되었다. Therefore, users cannot use various channels by simply recognizing the names of several channels or broadcasting stations, and it is also difficult to watch the broadcasting programs they want, so the latest TV technology allows viewers to easily identify and select each broadcasting program. It is equipped with a broadcast information guide function for displaying the program information of each channel provided from the broadcasting station on the screen when the user desires.

게다가, 단순히 방송 프로그램을 시청할 수 있도록 하는 것 뿐만 아니라 여러가지 기능을 더 구비함으로써 사용자에게 TV의 시청 및 사용을 증대시키도록 유도하고 있다.In addition, not only allowing a user to watch a broadcast program but also providing various functions, the user is encouraged to increase viewing and use of the TV.

이러한 TV 시스템은 통상 메모리에 저장된 소프트웨어를 정기적으로 또는 필 요시 업그레이드를 하는데, PC(Personal computer)에 업그레이드할 소프트웨어를 저장하고 이 소프트웨어를 TV 시스템으로 전송하여 TV의 소프트웨어를 업그레이드하였다. These TV systems usually upgrade the software stored in the memory on a regular basis or as needed. The software of the TV is upgraded by storing the software to be upgraded in a personal computer (PC) and transferring the software to the TV system.

이 경우, PC와 TV 시스템은 RS232C 케이블 또는 특정 업그레이드용 케이블을 사용하여야 하고, 또한 서비스 기사 등이 가정 등을 직접 방문하여야 하는 번거로움이 있었다.In this case, the PC and TV system should use RS232C cable or a specific upgrade cable, and there is a hassle that a service technician or the like should visit the home.

본 발명은 전술한 문제점을 개선하기 위해 창안된 것으로서, PC가 인터넷망을 통해 다운로드받은 소프트웨어의 버전을 D-SUB 케이블로 연결된 TV 시스템에 저장된 소프트웨어의 버전과 비교하여 상이하면 사용자의 선택에 따라 소프트웨어를 업그레이드할 수 있도록 한 D-SUB 케이블을 이용한 TV 시스템 업그레이드 방법을 제공하는 데 그 목적이 있다. The present invention has been made to solve the above-described problems, and if the PC is different from the version of the software downloaded via the Internet network compared to the version of the software stored in the TV system connected by the D-SUB cable software according to the user's choice The purpose of the present invention is to provide a method of upgrading a TV system using a D-SUB cable.

본 발명의 다른 목적은 TV 시스템의 소프트웨어를 편리하게 업그레이드하도록 하는 데 있다. Another object of the present invention is to conveniently upgrade the software of the TV system.

전술한 목적을 달성하기 위해 창안된 본 발명의 구성은 다음과 같다. 본 발명의 D-SUB 케이블을 이용한 TV 시스템 업그레이드 방법은 TV 시스템과 D-SUB 케이블로 연결된 PC가 인터넷망을 통해 소프트웨어를 다운로드받은 단계, 상기 D-SUB 케이블의 I2C 라인을 통해 EDID 정보에 저장된 상기 TV 시스템 소프트웨어의 버전을 체크하여 상기 인터넷망을 통해 다운로드받은 소프트웨어의 버전과 상이한 지를 판단하는 단계, 및 상기 TV 시스템 소프트웨어의 버전과 상기 인터넷망을 통해 다운로드받은 소프트웨어의 버전이 상이하면 상기 TV 시스템의 소프트웨어를 업그레이드하는 단계를 포함하는 것을 특징으로 한다.The present invention devised to achieve the above object is as follows. In a method of upgrading a TV system using a D-SUB cable of the present invention, a PC connected with a TV system and a D-SUB cable downloads software through an internet network, and the EDID information is transmitted through the I 2 C line of the D-SUB cable. Checking the stored version of the TV system software to determine whether it is different from the version of the software downloaded through the Internet network; and if the version of the TV system software is different from the version of the software downloaded through the Internet network, And upgrading the software of the system.

이하에서는 본 발명의 실시예를 첨부된 도면을 참조하여 상세하게 설명한다. Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1 은 본 발명의 실시예에 따른 D-SUB 케이블을 이용한 TV 시스템 업그레이드 장치의 블럭 구성도이고, 도 2 는 본 발명의 실시예에 따른 D-SUB 케이블을 이용한 TV 시스템 업그레이드 방법의 순서도이다. 1 is a block diagram of a TV system upgrade apparatus using a D-SUB cable according to an embodiment of the present invention, Figure 2 is a flow chart of a TV system upgrade method using a D-SUB cable according to an embodiment of the present invention.

본 발명의 실시예에 따른 D-SUB 케이블을 이용한 TV 시스템 업그레이드 장치는 크게 TV 시스템(10)과 PC(Personal computer)(20)를 구비하고, 이 TV 시스템(10)과 PC(20)는 D-SUB 케이블을 통해 연결된다. An apparatus for upgrading a TV system using a D-SUB cable according to an exemplary embodiment of the present invention includes a TV system 10 and a personal computer (PC) 20, and the TV system 10 and the PC 20 are D. It is connected via a SUB cable.

이 D-SUB 케이블은 상기한 바와 같이 TV 시스템(10)과 PC(20)에 연결되는데, I2C 라인을 통해 EDID(Extended Display Identification Data) 정보에 저장된 소프트웨어의 버전을 실시간으로 확인할 수 있도록 한다. The D-SUB cable is connected to the TV system 10 and the PC 20 as described above, and allows the user to check the version of the software stored in the Extended Display Identification Data (EDID) information in real time through the I 2 C line. .

PC(20)는 인터넷망을 통해 TV 시스템의 소프트웨어를 전송하는 서비스 업체(30) 등과 연결되어 새로운 버전의 소프트웨어를 다운로드받고, 이 소프트웨어의 버전을 상기한 D-SUB 케이블의 I2C 라인을 통해 체크된 소프트웨어 버전과 비교하여 서로 상이하면, 새로운 소프트웨어를 TV 시스템(10)으로 전송하여 TV 시스템(10)을 업그레이드하도록 한다.The PC 20 is connected to the service company 30 that transmits the software of the TV system through the Internet network, and downloads a new version of the software, and the version of the software is connected through the I 2 C line of the D-SUB cable. If they differ from each other in comparison to the checked software version, new software is sent to the TV system 10 to upgrade the TV system 10.

TV 시스템(10)은 PC(20)로부터 전송된 소프트웨어를 메모리부(12)에 저장하고, EDID 정보에 소프트웨어의 버전 정보를 저장하여 D-SUB 케이블을 통해 PC(20)로 전송한다. 또한, OSD(On Screen Display) 처리부(13)는 마이컴(11)의 제어신호에 응답하여 새로운 소프트웨어로 업그레이드할 것인 지를 디스플레이하도록 하고, 영상처리부(14)는 OSD 처리부(13)에 처리된 OSD 정보를 디스플레이한다. 키입력부(15)는 OSD 처리부(13)에 의해 TV 시스템(10)을 업그레이드할 것인 지 디스플레이되면 방향키나 확인키 등을 통해 업그레이드 여부를 선택하도록 한다. 마이컴(11)은 상기한 TV 시스템(10)의 각 구성요소를 전반적으로 제어한다. The TV system 10 stores the software transmitted from the PC 20 in the memory unit 12, stores the version information of the software in the EDID information, and transmits the software version information to the PC 20 through the D-SUB cable. In addition, the OSD (On Screen Display) processor 13 displays whether to upgrade to new software in response to the control signal of the microcomputer 11, and the image processor 14 processes the OSD processed by the OSD processor 13 Display the information. When the key input unit 15 displays whether to upgrade the TV system 10 by the OSD processor 13, the key input unit 15 selects whether or not to upgrade through the direction key or the confirmation key. The microcomputer 11 generally controls each component of the TV system 10 described above.

이하, 본 발명의 실시예에 따른 D-SUB 케이블을 이용한 TV 시스템 업그레이드 방법을 도 2 를 참조하여 상세히 설명한다. Hereinafter, a TV system upgrade method using a D-SUB cable according to an embodiment of the present invention will be described in detail with reference to FIG. 2.

먼저, PC(20)는 인터넷망을 통해 서비스 업체로부터 TV 시스템(10)에 대한 새로운 소프트웨어를 다운로드(S10)받는다. First, the PC 20 receives new software for the TV system 10 from the service provider through the Internet network (S10).

새로운 소프트웨어를 서비스 업체로부터 다운로드받으면, PC(20)는 TV 시스템(10)의 전원이 온되면 D-SUB 케이블의 I2C을 통해 EDID 정보에 저장된 현재 TV 시스템(10)의 소프트웨어 버전과 서비스 업체(30)로부터 다운로드받은 새로운 소프트웨어 버전을 체크하여 서로 상이한 지를 확인(S20~S30)한다. When the new software is downloaded from the service provider, the PC 20 may turn on the TV system 10 and the software version of the current TV system 10 stored in the EDID information through the I 2 C of the D-SUB cable. Check the new software version downloaded from the (30) to check whether they are different (S20 ~ S30).

이때, TV 시스템(10)에 저장된 소프트웨어 버전과 서비스 업체(30)로부터 다 운로드받은 소프트웨어의 버전이 서로 상이하면, TV 시스템(10)은 현재 소프트웨어를 업그레이드하도록 새로운 소프트웨어의 버전을 디스플레이하고 이 새로운 소프트웨어로 TV 시스템(10)을 업그레이드할 것인 지를 디스플레이(S40)한다. At this time, if the software version stored in the TV system 10 and the version of the software downloaded from the service provider 30 are different from each other, the TV system 10 displays the new software version to upgrade the current software and displays the new software version. Display (S40) whether to upgrade the TV system 10 by software.

이 후, 사용자가 새로운 소프트웨어로 업그레이드할 지를 확인(S50)하여 사용자가 소프트웨어를 업그레이드할 것을 선택하면, TV 시스템(10)은 PC(20)으로부터 소프트웨어를 전송받아 업그레이드를 수행(S60)하고 EDID 정보를 리셋시킨 후, 새로운 정보를 저장한다.Thereafter, when the user checks whether to upgrade to new software (S50) and the user selects to upgrade the software, the TV system 10 receives the software from the PC 20 to perform the upgrade (S60) and EDID information. After resetting, save the new information.

본 발명은 전술한 실시예에 국한되지 않고 본 발명의 기술사상이 허용되는 범위 내에서 다양하게 변형하여 실시할 수 있다.The present invention is not limited to the above-described embodiments and can be carried out in various modifications within the scope of the technical idea of the present invention.

이와 같이 구성되는 본 발명에 따르면, PC가 인터넷망을 통해 다운로드받은 소프트웨어의 버전을 D-SUB 케이블로 연결된 TV 시스템에 저장된 소프트웨어의 버전과 비교하여 상이하면 사용자의 선택에 따라 소프트웨어를 업그레이드할 수 있도록 함으로써, TV 시스템을 편리하게 업그레이드할 수 있다.According to the present invention configured as described above, it is possible to upgrade the software according to the user's choice if the PC compares the version of the software downloaded through the Internet network with the version of the software stored in the TV system connected with the D-SUB cable. Thus, the TV system can be upgraded conveniently.

Claims (1)

TV 시스템과 D-SUB 케이블로 연결된 PC가 인터넷망을 통해 소프트웨어를 다운로드받은 단계;Downloading the software via the Internet from a PC connected with a TV system and a D-SUB cable; 상기 D-SUB 케이블의 I2C 라인을 통해 EDID 정보에 저장된 상기 TV 시스템 소프트웨어의 버전을 체크하여 상기 인터넷망을 통해 다운로드받은 소프트웨어의 버전과 상이한 지를 판단하는 단계; 및Checking the version of the TV system software stored in the EDID information through the I 2 C line of the D-SUB cable to determine whether it is different from the version of the software downloaded through the Internet network; And 상기 TV 시스템 소프트웨어의 버전과 상기 인터넷망을 통해 다운로드받은 소프트웨어의 버전이 상이하면 상기 TV 시스템의 소프트웨어를 업그레이드하는 단계를 포함하는 D-SUB 케이블을 이용한 TV 시스템 업그레이드 방법. And upgrading the software of the TV system if the version of the TV system software is different from the version of the software downloaded through the Internet network.
KR1020070004537A 2007-01-15 2007-01-15 Tv upgrade method using d-sub cable KR20080067247A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020070004537A KR20080067247A (en) 2007-01-15 2007-01-15 Tv upgrade method using d-sub cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020070004537A KR20080067247A (en) 2007-01-15 2007-01-15 Tv upgrade method using d-sub cable

Publications (1)

Publication Number Publication Date
KR20080067247A true KR20080067247A (en) 2008-07-18

Family

ID=39821613

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020070004537A KR20080067247A (en) 2007-01-15 2007-01-15 Tv upgrade method using d-sub cable

Country Status (1)

Country Link
KR (1) KR20080067247A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102164314A (en) * 2011-01-30 2011-08-24 青岛海信传媒网络技术有限公司 Data management method and device based on digital television terminal middleware
CN105657477A (en) * 2016-01-29 2016-06-08 福建新大陆通信科技股份有限公司 Method and apparatus for upgrading different set top box middleware systems

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102164314A (en) * 2011-01-30 2011-08-24 青岛海信传媒网络技术有限公司 Data management method and device based on digital television terminal middleware
CN102164314B (en) * 2011-01-30 2012-12-05 青岛海信传媒网络技术有限公司 Data management method and device based on digital television terminal middleware
CN105657477A (en) * 2016-01-29 2016-06-08 福建新大陆通信科技股份有限公司 Method and apparatus for upgrading different set top box middleware systems
CN105657477B (en) * 2016-01-29 2018-08-24 福建新大陆通信科技股份有限公司 A kind of method and device of different middleware of set top box system upgrades

Similar Documents

Publication Publication Date Title
TW560191B (en) Method and system of identifying software and firmware objects available for download over a network such as a cable television system
WO2008114491A1 (en) Terminal having application update managing function, and application update managing program and system
CN102033899A (en) Apparatus and method for producing epg
US20120240065A1 (en) Dynamically Configured Graphical User Interface for a Software Application
KR101062182B1 (en) Method and device for automatic update of authority object
US10469911B2 (en) Display apparatus and method for providing channel list thereof
CN1980342A (en) Broadcast receiver and on air download method thereof
US9081636B2 (en) Display apparatus, system, and application program control method thereof
US20020059631A1 (en) Digital TV system for setting viewer-environments using network and control method thereof
KR20080067247A (en) Tv upgrade method using d-sub cable
KR101053726B1 (en) Software upgrade method and device in digital broadcasting system
EP2541960A2 (en) Devices, systems and methods for controlling TV
KR20040044236A (en) program upgrade system and the method for television
KR100764097B1 (en) Program updating method of set-top box
EP2001150A2 (en) URL access method and mobile terminal thereof
US20100281407A1 (en) Information providing device, information display device, information providing system, information providing method, program, and computer-readable storage medium having program stored therein
CN107509109A (en) Television set inputs data-updating method, television set and the storage medium of framework
KR20110110055A (en) Method and apparauts for remotely installing and updating different security client by broadcasting or communication channel
KR100698261B1 (en) Apparatus and method for upgrading program of video device
KR20100007435A (en) Digital television to add annexation function and execution method of the annexation function
KR100710320B1 (en) Apparatus and method for upgrading program of video device
JP6050449B1 (en) Matching system
KR100698145B1 (en) The display device having the function of updating the applications of data broadcasting and method for controlling the same
KR100811182B1 (en) Broadcast providing system for providing addition functions and broadcast receiver for performing addition functions and method thereof
JP2017050889A (en) Matching system

Legal Events

Date Code Title Description
WITN Withdrawal due to no request for examination