KR20010019711A - Digital broadcasting receiver having an automatic storage function of data broadcasting - Google Patents

Digital broadcasting receiver having an automatic storage function of data broadcasting Download PDF

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Publication number
KR20010019711A
KR20010019711A KR1019990036278A KR19990036278A KR20010019711A KR 20010019711 A KR20010019711 A KR 20010019711A KR 1019990036278 A KR1019990036278 A KR 1019990036278A KR 19990036278 A KR19990036278 A KR 19990036278A KR 20010019711 A KR20010019711 A KR 20010019711A
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South Korea
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data
data broadcasting
channel
broadcasting
information
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KR1019990036278A
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Korean (ko)
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KR100608277B1 (en
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도영수
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윤종용
삼성전자 주식회사
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    • 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
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/432—Content retrieval operation from a local storage medium, e.g. hard-disk
    • H04N21/4325—Content retrieval operation from a local storage medium, e.g. hard-disk by playing back content from the storage medium
    • 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
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4334—Recording operations
    • 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
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • H04N21/4348—Demultiplexing of additional data and video streams
    • 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
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4383—Accessing a communication channel
    • 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
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/47214—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for content reservation or setting reminders; for requesting event notification, e.g. of sport results or stock market

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Business, Economics & Management (AREA)
  • Finance (AREA)
  • Strategic Management (AREA)
  • Human Computer Interaction (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

PURPOSE: A digital broadcasting receiving system having an automatic data broadcasting storing function is provided so that a user can easily watch wanted information anytime by searching information and automatically storing a data broadcasting including reservation contents. CONSTITUTION: A tuner(11) tunes a data broadcasting channel. A decoder(12) decodes a data broadcasting signal tuned in the tuner(11), and separates the decoded data broadcasting signal into a header portion and a contents portion. Here, the decoder(12) is connected to a central processing unit(13). The central processing unit(13) controls the whole operation of the constitutional units, searches basic data information included in the header portion, and judges whether the searched information corresponds to a wanted data broadcasting of the user. In addition, a storing unit(14) stores the wanted data broadcasting of the user under the control of the central processing unit(14). Image and audio processing units(15,16) respectively process image and audio signals of the stored contents. Accordingly, when the user reserves the wanted contents, information of a specific channel or whole channels is searched, and the data broadcasting of the channel including the reservation contents is automatically stored.

Description

데이타방송 자동 저장기능을 갖는 디지탈방송수신시스템{Digital broadcasting receiver having an automatic storage function of data broadcasting}Digital broadcasting receiver having an automatic storage function of data broadcasting

본 발명은 디지탈TV(digital TV; DTV), 셋탑박스(settop box; STB)등의 디지탈방송수신시스템에 관한 것으로, 보다 상세하게는, 전체 방송되는 데이타에서 사용자가 원하는 내용(content)의 방송을 검색하여 이를 자동 저장하여 볼 수 있게 한 데이타방송 자동 저장기능을 갖는 디지탈방송수신시스템에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a digital broadcast receiving system such as a digital TV (DTV), a settop box (STB), and more particularly, to broadcast a content desired by a user in all broadcast data. The present invention relates to a digital broadcasting receiving system having an automatic storing function of data broadcasting which makes it possible to search and automatically store and view it.

최근 아날로그 TV 방송을 디지탈로 바꾸기 위한 논의가 활발하게 진행되고 있다. 디지탈 방송은 필요할 때 필요한 서비스에, 필요한 비트율을 유연하게 할당할 수 있는 특징을 갖는다. 즉, 프로그램 편성에서 어떤 시간대는 SDTV(standard definition television) 프로그램을 다채널로, 또 어떤 시간대는 HDTV(high definition television) 프로그램을 1채널로 편성하는 것이 가능하다. 또한, 한정된 전송 대역폭에서 MPEG2등의 디지탈 영상/음성 압축 기술 및 디지탈 전송 기술로 고품질 프로그램 전송이 가능할 뿐 아니라 다수의 프로그램을 전송하는 것이 가능하다.Recently, discussions on converting analog TV broadcasting into digital have been actively conducted. Digital broadcasting has a feature of flexibly allocating necessary bit rates to necessary services when needed. In other words, in some program schedules, it is possible to organize SDTV (standard definition television) programs into multiple channels, and some time zones to organize HDTV (high definition television) programs into one channel. In addition, it is possible not only to transmit a high quality program but also to transmit a plurality of programs using a digital video / audio compression technique such as MPEG2 and a digital transmission technique in a limited transmission bandwidth.

한편, 위와 같은 디지탈 다채널 방송에서는 서로 다른 여러 주파수(채널)의 신호를 용이하게 다중/분리할 수 있다. 그리고, 주문형 비디오(VOD)에 의한 영화서비스, 대화형 비디오게임, 인테리어나 요리법등 다양한 내용의 데이타방송(data broadcasting)이 여러개의 채널 혹은 별도의 한개 채널을 통해 제공된다. 여기서, 데이타는 영상, 음성 또는 문자형태이다. 사용자는 방송 수신되는 채널의 내용을 검색하여 제공되는 다양한 내용중 원하는 내용의 데이타방송 채널을 선택하여 시청한다.On the other hand, in the digital multi-channel broadcasting as described above it is possible to easily multiplex / separate the signals of different frequencies (channels). In addition, data broadcasting of various contents such as movie service, interactive video game, interior or recipe by video on demand (VOD) is provided through several channels or one separate channel. Here, the data is in the form of video, audio or text. The user searches the contents of a channel received through broadcasting and selects and watches a data broadcasting channel having desired contents among various contents provided.

하지만, 위와 같이 종래에는 현재 방송중인 신호를 사용자가 직접 검색하여 원하는 내용의 데이타방송을 선택하여 시청하므로, 불편할 뿐 아니라 현재 방송에 국한되어 일회밖에 보지 못하는 문제가 있었다.However, in the related art, since a user directly searches for a signal currently being broadcast and selects and watches a data broadcast of a desired content, there is a problem in that it is not only inconvenient but is limited to the current broadcast to see only once.

따라서, 본 발명의 목적은 전술한 점을 감안하여 사용자가 원하는 내용을 예약하면 일정시간간격으로 전체채널 혹은 특정채널의 정보를 검색하여 예약된 내용이 들어있는 채널의 데이타방송을 자동 저장하고, 사용자가 원할 때 언제든지 보여줄 수 있도록 한 데이타방송 자동 저장기능을 갖는 디지탈방송수신시스템을 제공함에 있다.Accordingly, an object of the present invention is to reserve the contents desired by the user in view of the above-mentioned point to search the information of the entire channel or a specific channel at a certain time interval to automatically store the data broadcast of the channel containing the reserved content, the user It is to provide a digital broadcasting reception system with automatic data broadcasting storage function so that it can be shown whenever you want.

도 1은 본 발명에 따른 데이타방송 자동 저장기능을 갖는 디지탈방송수신시스템을 나타내는 구성도,1 is a block diagram showing a digital broadcasting reception system having an automatic data broadcasting storage function according to the present invention;

도 2는 다채널 데이타방송의 채널구성을 보여주는 도면.2 is a view showing a channel configuration of multi-channel data broadcasting.

<도면의 주요부분에 대한 부호의 설명＞<Description of the code | symbol about the principal part of drawing>

11 : 튜너 12 : 디코더11: tuner 12: decoder

13 : CPU 14 : 저장부13: CPU 14: storage

15 : 영상처리기 16 : 음성처리기15: image processor 16: audio processor

이와 같은 목적을 달성하기 위한 본 발명의 데이타방송 자동 저장기능을 갖는 디지탈방송수신시스템은, 데이타 방송신호를 수신처리하는 디지탈방송수신시스템에 있어서, 일정시간간격으로 데이타방송 채널을 튜닝하는 튜너와, 사용자에 의해 원하는 정보가 예약되면 튜닝된 채널의 데이타방송에 예약된 정보의 내용이 들어있는 지를 검색하는 수단과, 상기 검색결과 예약된 정보의 내용이 들어있는 데이타방송을 저장하는 저장부, 및 사용자 요청시 상기 저장부에 저장된 데이타방송을 볼 수 있도록 처리하는 수단을 포함한다.In order to achieve the above object, the digital broadcasting reception system having an automatic data broadcasting storage function includes a tuner for tuning a data broadcasting channel at a predetermined time interval in a digital broadcasting reception system for receiving and processing data broadcasting signals; Means for retrieving the contents of the reserved information in the data broadcasting of the tuned channel when desired information is reserved by the user, a storage unit for storing the data broadcasting containing the contents of the reserved information as a result of the search, and the user Means for processing the data broadcast stored in the storage unit upon request.

이하, 첨부한 도면들을 참조하여 본 발명의 바람직한 실시예를 상세히 기술하기로 한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명에 따른 데이타방송 자동 저장기능을 갖는 디지탈방송수신시스템의 구성도를 나타낸다. 도 1에 나타낸 시스템은 데이타방송 채널을 튜닝하는 튜너(11)와, 튜닝되어 입력되는 데이타방송신호를 디코드하여 헤더부분과 내용부분을 분리하여 출력하는 디코더(12)를 구비한다. 디코더(12)에는 각 구성의 제반동작을 제어하며, 헤더부분에 들어있는 데이타기본정보를 검색하여 사용자가 원하는 내용의 데이타방송인지를 판단하는 CPU(13)가 연결된다. 도 1의 시스템은 또한, CPU(13)의 제어하에 사용자가 원하는 내용의 데이타방송을 저장하는 저장부(14)와, 저장된 내용의 영상 및 음성신호 각각을 신호처리하여 출력하는 영상 및 음성처리기(15,16)를 구비한다. 이러한 구성을 갖는 도 1의 데이타방송 자동 저장기능을 갖는 디지탈방송수신시스템에 대한 동작을 도 2를 통해 구체적으로 설명한다.1 is a block diagram of a digital broadcasting reception system having an automatic data broadcasting storage function according to the present invention. The system shown in FIG. 1 includes a tuner 11 for tuning a data broadcast channel, and a decoder 12 for decoding the tuned and input data broadcast signal and separating and outputting a header portion and a content portion. The decoder 12 is connected to a CPU 13 which controls the general operation of each component and determines whether data broadcasting of a desired content is searched by searching data basic information contained in the header portion. The system of FIG. 1 also includes a storage unit 14 for storing data broadcasting of a user's desired contents under the control of the CPU 13, and an image and audio processor for signal-processing and outputting respective video and audio signals of the stored contents ( 15,16). The operation of the digital broadcasting reception system having the automatic data broadcasting storage function of FIG. 1 having such a configuration will be described in detail with reference to FIG. 2.

도 1에서, 사용자는 리모콘등의 미도시된 키입력부를 통해 CPU(13)에 원하는 내용을 예약한다. CPU(13)는 사용자가 원하는 내용이 예약되면, 튜너(11)를 제어하여 일정시간간격으로 방송 수신되는 전체채널 혹은 특정채널을 튜닝한다. 데이타방송은 방송국에 따라 도 2에 보여진 바와 같이 서로 다른 여러 주파수(채널)에 다중화되어 전송되거나, 별도의 한개 채널로만 전송된다. 그래서, 튜너(11)는 도 2와 같이 여러개의 채널을 통해 데이타방송시 전체채널을 튜닝하고, 별도의 한개 채널을 통해 데이타방송시 그 한개 채널만 튜닝한다. 또한, 데이타방송 채널은 도 2에 보여진 바와 같이 크게 헤더(header)부분과 내용부분으로 구성된다. 헤더부분은 데이타 기본정보(제목, 내용구성, … )가 들어 있으며, 내용부분에는 해당 데이타가 들어있다. 예를 들어, 채널(CH) 2가 쇼핑(shopping)종류의 데이타방송 채널일 경우 내용부분에는 인테리어 통판, 요리법등 관련된 각종 데이타가 들어있으며, 헤더부분에는 내용부분에 들어있는 데이타를 알려주는 기본정보가 들어있다. 튜너 (11)에서 튜닝한 채널의 데이타방송신호는 디코더(12)로 입력된다. 디코더(12)는 입력되는 채널의 데이타방송신호를 디코드하여 헤더부분과 내용부분으로 각각 분리한다. 분리된 헤더부분은 CPU(13)로 입력된다. CPU(13)는 입력되는 헤더부분에 들어있는 기본정보를 검색하여 예약된 사용자가 원하는 정보의 내용를 만족하는 지 판단한다. 예를 들어, 사용자가 "요리에 관한 정보"를 원할 경우, CPU(13)는 전체채널 혹은 특정채널의 헤더부분을 검색하여 요리에 관한 정보가 내용에 들어있는지를 판단한다. CPU(13)는 검색결과 내용부분에 요리에 관한 정보가 들어있으면 디코더(12)를 제어하여 분리된 내용부분을 저장부(14)에 저장한다. 물론, 헤더부분을 포함하여 함께 저장할 수도 있다. CPU(13)는 일정시간 간격으로 방송 수신되는 채널을 검색하여 요리에 관한 정보를 담고 있는 모든 데이타방송을 저장시킨다.In FIG. 1, a user reserves desired contents to the CPU 13 through a key input unit not shown, such as a remote controller. When the contents desired by the user are reserved, the CPU 13 controls the tuner 11 to tune all channels or specific channels that are broadcasted at a predetermined time interval. As shown in FIG. 2, data broadcasting is transmitted by being multiplexed on several different frequencies (channels) or transmitted by only one separate channel. Thus, the tuner 11 tunes all channels during data broadcasting through multiple channels, and tunes only one channel during data broadcasting through a separate channel as shown in FIG. In addition, the data broadcasting channel is largely composed of a header portion and a content portion as shown in FIG. The header part contains data basic information (title, content structure,…), and the content part contains the corresponding data. For example, if channel 2 is a shopping type of data broadcasting channel, the contents section contains various data such as interior mail order and recipes, and the header section contains basic information indicating the data contained in the contents section. Listen. The data broadcast signal of the channel tuned by the tuner 11 is input to the decoder 12. The decoder 12 decodes the data broadcast signal of the input channel and separates it into a header part and a content part, respectively. The separated header portion is input to the CPU 13. The CPU 13 searches the basic information included in the input header part to determine whether the reserved user satisfies the desired information. For example, when the user wants "information about a dish", the CPU 13 searches the header portion of the entire channel or a specific channel to determine whether the information about the dish is included in the content. The CPU 13 controls the decoder 12 to store the separated content portion in the storage unit 14 when the search result content portion contains information about cooking. Of course, you can store the headers together. The CPU 13 searches for channels that are broadcasted at regular intervals and stores all data broadcasts containing information about cooking.

한편, 시스템 전원이 "오프(OFF)" 상태인 경우에도 스탠바이(stand-by)모드로 동작하여 예약된 내용의 데이타방송을 수신하여 지속적으로 검색 저장한다.On the other hand, even when the system power is "off" (OFF) state, it operates in the standby mode (stand-by) mode to receive the data broadcast of the reserved content and continuously search and store.

사용자가 저장된 내용을 보고자 할 경우, CPU(13)는 디코더(12)를 통해 저장부(14)에 저장된 정보를 순차적으로 읽어내어 영상 및 음성신호로 분리하여 출력한다. 영상처리기(15)와 음성처리기(16)는 디코더(12)로부터 입력되는 영상 및 음성 또는 데이타신호를 각각 신호처리하여 사용자가 원하는 내용의 데이타방송을 볼 수 있도록 출력한다. 저장부(14)의 용량이 작을 경우 헤더를 분석한 후, 그 헤더부분에 들어있는 기본정보를 저장부(14)에 저장하고, 그 정보를 화면표시하여 사용자에게 저장된 내용을 알려줄 수도 있다. 결국, 사용자가 필요로 하는 정보를 데이타방송을 통해 헤더부분의 정보만 저장하여 사용자에게 보여주고 정보요구시 해당 채널을 수신하여 내용을 디코딩하거나, 저장부(14)의 용량이 충분한 경우 해당 채널의 내용 모두를 저장부(14)에 저장할 수 있게 된다.When the user wants to see the stored contents, the CPU 13 sequentially reads the information stored in the storage unit 14 through the decoder 12 and outputs the video and audio signals separately. The image processor 15 and the audio processor 16 signal-process the video and audio or data signals input from the decoder 12, respectively, and output the data broadcast so that the user can see the data broadcast of the desired contents. If the capacity of the storage unit 14 is small, after analyzing the header, the basic information contained in the header portion may be stored in the storage unit 14, and the information may be displayed on the screen to inform the user of the stored contents. After all, the information required by the user stores only the information of the header portion through data broadcasting to the user and receives the corresponding channel when the information is requested, and decodes the content, or if the capacity of the storage unit 14 is sufficient, All of the contents can be stored in the storage unit 14.

상술한 바와 같이, 본 발명의 데이타방송 자동 저장기능을 갖는 디지탈방송수신시스템은, 방송국에서 제공되는 여러가지 정보의 데이타방송에 대해 사용자가 원하는 정보의 내용을 담고 있는 데이타방송을 직접 검색하지 않고 현재 방송뿐만 아니라 향후 방송까지 자동으로 검색하여 저장하므로써, 사용자가 원하는 정보를 언제든지 편리하게 볼 수 있는 효과를 갖는다.As described above, the digital broadcasting receiving system having the automatic data broadcasting storage function of the present invention does not directly search for a data broadcasting containing the contents of information desired by the user for data broadcasting of various information provided by the broadcasting station. In addition, by automatically searching for and storing future broadcasts, the user can conveniently view the desired information at any time.

Claims (5)

데이타 방송신호를 수신처리하는 디지탈방송수신시스템에 있어서,In a digital broadcast receiving system for receiving and processing data broadcast signals, 일정시간간격으로 데이타방송 채널을 튜닝하는 튜너;A tuner for tuning a data broadcasting channel at regular intervals; 사용자에 의해 원하는 정보가 예약되면 튜닝된 채널의 데이타방송에 예약된 정보의 내용이 들어있는 지를 검색하는 수단;Means for retrieving whether the content of the reserved information is contained in the data broadcasting of the tuned channel when the desired information is reserved by the user; 상기 검색결과 예약된 정보의 내용이 들어있는 데이타방송을 저장하는 저장부; 및A storage unit for storing a data broadcast containing contents of the reserved information as a result of the search; And 사용자 요청시 상기 저장부에 저장된 데이타방송을 볼 수 있도록 처리하는 수단을 포함하는 데이타방송 자동 저장기능을 갖는 디지탈방송수신시스템.A digital broadcasting reception system having an automatic data broadcasting storage function comprising means for processing the data broadcasting stored in the storage unit upon user request. 제 1항에 있어서, 상기 튜너는 방송국에서 데이타방송을 여러개의 채널을 통해 전송시 전체채널을 튜닝하고, 별도의 한개 채널을 통해 전송시 그 한개 채널을 튜닝함을 특징으로 하는 데이타방송 자동 저장기능을 갖는 디지탈방송수신시스템.The automatic data storage function of claim 1, wherein the tuner tunes an entire channel when transmitting a data broadcast through a plurality of channels at a broadcasting station, and tunes one channel when transmitting the data through a separate channel. Digital broadcasting receiving system having a. 제 2항에 있어서, 상기 데이타방송 채널은 제목 및 내용구성을 포함하는 데이타의 기본정보가 들어있는 헤더부분과 각종 데이타가 들어있는 내용부분으로 구성되며,The data broadcasting channel of claim 2, wherein the data broadcasting channel comprises a header part containing basic information of data including a title and a content structure, and a content part containing various data. 상기 검색수단은 튜닝된 채널의 데이타방송에서 헤더부분을 검색하여 대응하는 내용부분에 예약된 정보가 들어있는 지를 판단함을 특징으로 하는 데이타방송 자동 저장기능을 갖는 디지탈방송수신시스템.And said retrieving means retrieves the header portion from the data broadcast of the tuned channel to determine whether the corresponding content portion contains reserved information. 제 3항에 있어서, 상기 처리수단은 상기 저장부에 저장된 데이타방송 전체를 보여주거나 헤더부분의 기본정보만을 보여줌을 특징으로 하는 데이타방송 자동 저장기능을 갖는 디지탈방송수신시스템.4. The digital broadcasting receiver system according to claim 3, wherein the processing means shows the entire data broadcasting stored in the storage unit or shows only basic information of the header part. 제 1항에 있어서, 시스템의 전원 "오프(OFF)"상태에서 스탠바이모드로 동작하여 예약된 정보의 내용이 들어있는 데이타방송의 채널을 지속적으로 검색함을 특징으로 하는 데이타방송 자동 저장기능을 갖는 디지탈방송수신시스템.The data broadcasting auto storage function of claim 1, wherein the system is operated in a standby mode in a power-off state of the system to continuously search for a channel of a data broadcasting containing reserved contents. Digital Broadcast Reception System.
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KR20030050750A (en) * 2001-12-19 2003-06-25 엘지전자 주식회사 System of navigation in data broadcasting using of keyword and the method
KR100713517B1 (en) * 2004-11-26 2007-05-02 삼성전자주식회사 PVR By Using MetaData and Its Recording Control Method
KR100770926B1 (en) * 2005-11-01 2007-10-26 삼성전자주식회사 Digital multimedia broadcasting system and method for preventing recording of unnecessarily broadcasting data
KR100844629B1 (en) * 2001-12-19 2008-07-07 엘지전자 주식회사 System of display for formatting data of data broadcasting and the method
KR101066292B1 (en) * 2005-02-07 2011-09-20 삼성전자주식회사 Apparatus and method for receiving selectively the data broadcasting of digital multimedia broadcasting

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KR20030050750A (en) * 2001-12-19 2003-06-25 엘지전자 주식회사 System of navigation in data broadcasting using of keyword and the method
KR100844629B1 (en) * 2001-12-19 2008-07-07 엘지전자 주식회사 System of display for formatting data of data broadcasting and the method
KR100713517B1 (en) * 2004-11-26 2007-05-02 삼성전자주식회사 PVR By Using MetaData and Its Recording Control Method
KR101066292B1 (en) * 2005-02-07 2011-09-20 삼성전자주식회사 Apparatus and method for receiving selectively the data broadcasting of digital multimedia broadcasting
KR100770926B1 (en) * 2005-11-01 2007-10-26 삼성전자주식회사 Digital multimedia broadcasting system and method for preventing recording of unnecessarily broadcasting data

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