KR20150123750A - Broadcast receiver and pvr control method - Google Patents

Broadcast receiver and pvr control method Download PDF

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Publication number
KR20150123750A
KR20150123750A KR1020150059197A KR20150059197A KR20150123750A KR 20150123750 A KR20150123750 A KR 20150123750A KR 1020150059197 A KR1020150059197 A KR 1020150059197A KR 20150059197 A KR20150059197 A KR 20150059197A KR 20150123750 A KR20150123750 A KR 20150123750A
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KR
South Korea
Prior art keywords
broadcast
broadcast stream
storage medium
pvr
stream
Prior art date
Application number
KR1020150059197A
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Korean (ko)
Inventor
김덕중
Original Assignee
주식회사 인터렉티브비전
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Publication of KR20150123750A publication Critical patent/KR20150123750A/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus
    • H04N5/775—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television receiver
    • 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
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H04N21/4147—PVR [Personal Video Recorder]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards

Abstract

A broadcast receiving apparatus and a PVR control method are disclosed. Here, the broadcast receiving apparatus may include a plurality of tuner units tuning each of a plurality of different broadcast channels, a storage medium storing respective broadcast streams tuned by the plurality of tuner units, and a plurality of tuners, A PVR unit for storing the requested broadcast stream in the storage medium and extracting a requested broadcast stream from the storage medium when a PVR (personal video recorder) reproduction request is received from the user, and a plurality of tuner units and a PVR And a control unit for receiving the PVR reproduction request from the input unit and transmitting the PVR reproduction request to the PVR unit and outputting the requested broadcast stream provided from the PVR to the connected display device.

Description

[0001] Broadcast receiving apparatus and PVR control method [0002]

The present invention relates to a broadcast receiving apparatus and a PVR control method.

Although a TV with a personal video recorder (PVR) function called a time machine has already been popularized and used, there is a pity for the function corresponding to one channel that is being watched.

In addition, a broadcast program broadcasted at a time when the TV is turned off or in which a preview is not made in advance can not be viewed. In other words, in the currently watched channel, you can return to the previous time, but when you switch the channel at that point, you will see the current broadcast of the switched channel. What the user wants is a function that can not be used at present because he wanted to watch another channel broadcast at that point of time but there is no pre-recorded content.

In the existing PVR function, there is a problem in that it is impossible to switch the channel at the time point because there is no recorded content at the time of switching from one channel to another at the previous time, although the channel can be paused or paused from the previous time.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made in view of the above problems, and it is an object of the present invention to provide a broadcast receiving apparatus and a PVR control method capable of watching TV broadcast contents without regard to time.

According to an aspect of the present invention, a broadcast receiving apparatus includes a plurality of tuner units for tuning a plurality of different broadcast channels, a storage medium for storing respective broadcast streams tuned by the plurality of tuner units, A PVR unit that stores each tuned broadcast stream in the storage medium and extracts a requested broadcast stream from the storage medium when a PVR (personal video recorder) playback request is received from the user, A plurality of tuner units and the PVR unit are operated so that the PVR playback request is received from the input unit and transmitted to the PVR unit after the power is turned on and the requested broadcast stream provided from the PVR is output to the connected display device .

Wherein the plurality of tuner units comprise:

A plurality of broadcasting channels may be provided for a predetermined number of the plurality of terrestrial broadcast channels.

The PVR unit

It is possible to periodically monitor the remaining storage space of the storage medium, and if there is no remaining storage space, it is possible to delete the broadcast stream of the predetermined capacity among the pre-stored broadcast streams.

The PVR unit includes:

When each of the tuned broadcast streams is stored, if the remaining storage space is insufficient, the currently tuned broadcast stream may be overwritten on the storage space of the oldest broadcast stream among the previously stored broadcast streams.

The broadcast receiving apparatus includes:

A data communication unit connected to a peer-to-peer (P2P) network to which a plurality of different broadcast receiving apparatuses are connected and communicating with one or more different broadcast receiving apparatuses; and a receiving unit receiving the requested broadcast stream from one or more broadcast receiving apparatuses connected to the peer- Further comprising a non-penetration control section,

The PVR unit includes:

If the requested broadcast stream is not stored in the storage medium, the piconet controller may request and receive a search for the requested broadcast stream, and then transmit the requested broadcast stream to the controller.

The above-

And a relay server that receives and manages broadcast stream hold information stored in the storage medium by the plurality of different broadcast receiving apparatuses and the plurality of different broadcast receiving apparatuses,

The above-

And a broadcast receiving unit that periodically collects broadcast stream storage information stored in the storage medium from the PVR unit and transmits the stored broadcast stream storage information to the relay server, Requesting and receiving the requested broadcast stream to a receiving apparatus, extracting a broadcast stream requested by one or more broadcast receiving apparatuses from the storage medium, and transmitting the extracted broadcast stream.

The above-

Broadcasting the request for searching for the requested broadcast stream to one or more different broadcast receiving apparatuses connected to the peer-to-peer network, receiving the requested broadcast stream from one or more broadcast receiving apparatuses having the requested broadcast stream, When the search request of the broadcast stream is received through the network, the broadcast stream requested to be searched from the storage medium may be transmitted to the broadcast receiving apparatus that transmitted the search request.

According to another aspect of the present invention, a PVR control method is a PVR (personal video recorders) control method of a broadcast receiving apparatus, in which a broadcast stream received through a plurality of tuner units is processed, compressed and stored in a storage medium A step of tuning a broadcast channel according to a user input signal and then performing signal processing and image processing and outputting the broadcast channel to a screen when the power is turned on; Extracting a broadcast stream corresponding to a time point corresponding to the user input signal from the storage medium, and outputting the extracted broadcast stream to a screen.

After the step of outputting to the screen,

Receiving a user input signal for moving to another broadcasting channel while the broadcasting stream corresponding to the broadcasting channel is displayed on the screen, tuning the other broadcasting channel received in real time and outputting the tuned broadcasting channel to the screen; Receiving a user input signal moving to a previous time while a channel is output on a screen, extracting a broadcast stream corresponding to the previous time from the storage medium, and outputting the extracted broadcast stream to a screen .

Wherein the extracting from the storage medium comprises:

Determining whether the corresponding broadcast stream is stored in the storage medium, extracting the corresponding broadcast stream from the storage medium if the broadcast stream is stored, and if the broadcast stream is not stored in the storage medium, And receiving the corresponding broadcast stream from one or more broadcast receiving apparatuses connected to the peer-to-peer network by requesting the retrieval of the corresponding broadcast stream.

According to the embodiment of the present invention, it is possible to conveniently view a moving picture that is broadcast on a channel at the time point while freely switching channels from a past time point.

In addition, unlike the related art, the PVR-related configuration maintains the operation even when the screen is not displayed, that is, even when the power is turned off, so that the user can watch the last broadcast of any broadcast channel even if the user does not specify the reserved recording of the specific broadcast channel . That is, since the channel allocated per tuner is continuously recorded without special reservation recording, the channel can be tuned to a channel that was not seen in the past while moving to the previous time with the rewind button or the left direction key.

In addition, when the user wants to view the contents of another channel broadcasted at the previous time, if the contents are not stored in the receiver, the content is transmitted from another receiver storing the contents of the corresponding channel in the corresponding time slot by using the peer- So that the user can view the content. Particularly, since the domestic terrestrial channels are five channels of KBS1, KBS2, MBC, SBS and EBS, and their audience ratings are overwhelmingly higher than those of other channels, a certain number of receivers implementing the PVR function according to the present invention Naturally, there are a lot of receivers that store contents of terrestrial channels, so that it is not difficult to supply contents to a peer-to-peer network, and thus a time constraint factor for watching TV broadcasts can be conveniently solved.

1 is a block diagram illustrating a configuration of a broadcast receiving apparatus according to an embodiment of the present invention.
2 is a flowchart illustrating a PVR control method of a broadcast receiving apparatus according to an embodiment of the present invention.
3 is a flowchart illustrating a storage medium management operation of the PVR unit according to an embodiment of the present invention.
4 is a flowchart illustrating a storage medium management operation of the PVR unit according to another embodiment of the present invention.
5 is a flowchart illustrating a PVR control method of a broadcast receiving apparatus according to another embodiment of the present invention.
6 is a flowchart illustrating a PVR control method of a broadcast receiving apparatus according to another embodiment of the present invention.
7 is a flowchart illustrating a PVR control method of a broadcast receiving apparatus according to another embodiment of the present invention.
8 shows a PVR control screen according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.

Throughout the specification, when an element is referred to as "comprising ", it means that it can include other elements as well, without excluding other elements unless specifically stated otherwise.

Also, the terms of " part ", "... module" in the description mean units for processing at least one function or operation, which may be implemented by hardware or software or a combination of hardware and software.

Hereinafter, a broadcast receiving apparatus and a PVR control method according to an embodiment of the present invention will be described in detail with reference to the drawings.

1 is a block diagram illustrating a configuration of a broadcast receiving apparatus according to an embodiment of the present invention.

Referring to FIG. 1, the broadcast receiving apparatus 100 may be a digital broadcast receiver. The broadcast receiving apparatus 100 may be a digital broadcast set top box, a cable television, a digital terrestrial television (or digital TV), a personal video recorder (PVR), or the like, which receives a digital broadcast signal in the form of a bit stream.

The broadcast receiving apparatus 100 includes a plurality of tuner units 101, a signal processing unit 103, an image processing unit 105, a display device 107, an input unit 109, a control unit 111, a personal video recorder A storage medium 115, a data communication unit 117, and a peer-to-peer (P2P) control unit 119. [

A plurality of tuner units (101) tunes each of a plurality of different broadcast channels. A plurality of tuner units 101 may be provided for a plurality of designated number of terrestrial broadcast channels.

At this time, since the domestic terrestrial channels are KBS1, KBS2, MBC, SBS, and EBS5 channels, the 5-channel broadcasting channels may be tuned for every time zone. In other words, you can record all channels at any time with a receiver with five tuners.

The signal processing unit 103 separates a plurality of tuned broadcast streams received from the plurality of tuner units 101 for each broadcast program. And decodes each of the separated broadcast program streams. The signal processing unit 103 supports various codecs and supports various codecs such as MPEG, WMV, DivX, Xvid, MP3, and AC3. And decodes each separated broadcast program stream into a video signal, a data signal, and a voice signal.

The image processing unit 105 synthesizes the decoded video signal and the data signal, and outputs the resultant to the display device 107.

The display device 107 reproduces the digital broadcast signal synthesized with the video signal and the data signal transmitted from the video processor 105 on the screen. The display device 107 is a display device such as a liquid crystal display (LCD), an organic light emitting diode (OLED), a touch screen, etc., And displays a screen and an execution screen or a result screen accordingly.

The display device 107 includes a speaker SPK. The display device 107 converts the decoded speech signal in the signal processor 103 into an analog speech signal, and outputs the analog speech signal through the speaker SPK.

The input unit 109 is a user input means for setting channel selection and time shift for user setting. A keypad, an optical joystick, a remote controller, and the like.

The control unit 111 controls the plurality of tuner units 101 and the PVR unit 113 to operate even when the power is off. The control unit 108 controls the overall system and performs overall functions of each configuration of the broadcast receiving apparatus 100 according to a user input transmitted from the input unit 109.

The controller 111 receives the PVR reproduction request from the input unit 109 and transmits the PVR reproduction request to the PVR unit 113 after the power is turned on. And outputs the requested broadcast stream provided from the PVR unit 113 to the connected display device 107. At this time, the controller 111 has a separate memory (not shown), and can store channel information and data information in the memory (not shown). The channel information may be a broadcast schedule table (EPG).

The control unit 111 may configure a virtual channel such as a drama channel or a sports channel on the basis of the stored content so that the broadcast program broadcasted at the same time is stored in the internal storage,

The PVR unit 113 stores the respective broadcast streams tuned by the plurality of tuner units 101 in the storage medium 115. [ At this time, it can be transcoded and stored as a codec with good compression efficiency.

When the PVR playback request is received from the input unit 109, the PVR unit 113 extracts the requested broadcast stream from the storage medium 115.

The PVR unit 113 periodically monitors the remaining storage space of the storage medium 115, and if there is no remaining storage space, the PVR unit 113 can delete a predetermined capacity of the pre-stored broadcast streams.

The PVR unit 113 may manage the storage medium 115 in such a manner that the data stored first is deleted at a predetermined time interval and new data is stored at a predetermined time interval.

When the remaining storage space is insufficient in the storage medium 115 at the time of storing each broadcast stream tuned by the plurality of tuner units 101, the PVR unit 113 stores the current broadcast stream in the storage space of the oldest broadcast stream among the pre- The tuned broadcast stream can be overwritten and stored.

If the broadcast stream requested by the controller 111 is not stored in the storage medium 115, the PVR unit 113 requests the piconet controller 119 to search for the broadcast stream requested by the controller 111, (111).

The storage medium 115 stores each of the broadcast streams tuned by the plurality of tuner units 101. The storage medium 115 may be embodied as a large-capacity internal or external hard disk.

The data communication unit 117 is connected to a peer-to-peer (P2P) network to which a plurality of different broadcasting receiving apparatuses 100 are connected, and communicates with one or more different broadcasting receiving apparatuses 100.

The peer-to-peer (P2P) control unit 119 receives the requested broadcast stream from the control unit 111 from one or more broadcast receiving apparatuses 100 connected to the peer-to-peer network.

The peer-to-peer control unit 119 periodically collects the broadcast stream storage information stored in the storage medium 115 from the PVR unit 113 and transmits it to a relay server (not shown) of the peer-to-peer network. And requests the broadcast receiving apparatus 100 having the broadcast stream requested by the control unit 111 to request the broadcast stream requested from the control unit 111 using one or more broadcast receiving apparatus information received from the relay server (not shown) .

Upon receiving a broadcast stream request from one or more broadcast receiving apparatuses connected to the peer-to-peer network, the peer-to-peer control unit 119 extracts the corresponding broadcast stream from the storage medium 115 and transmits the extracted broadcast stream.

The peer-to-peer control unit 119 broadcasts a search request for a broadcast stream requested by the control unit 111 to one or more different broadcast receiving apparatuses 100 connected to the peer-to-peer network without a relay server. Then, it can receive the requested broadcast stream from one or more broadcast receiving apparatuses 100 having the requested broadcast stream and transmit the received broadcast stream to the PVR unit 113.

The peer-to-peer control unit 119 may extract a broadcast stream requested to be retrieved from the storage medium 113 and transmit the retrieved broadcast stream to the broadcast receiving apparatus 100 that has transmitted the search request, when the search request for the broadcast stream is broadcasted through the peer-to-peer network.

The PVR control method of the broadcast receiving apparatus 100 will be described in connection with the configuration of FIG.

2 is a flowchart illustrating a PVR control method of a broadcast receiving apparatus according to an embodiment of the present invention.

Referring to FIG. 2, the control unit 111 sets the PVR related function to remain on even in the power off state (S101). That is, the plurality of tuner units 101, the signal processing unit 103, the personal video recorders (PVR) unit 113, and the storage medium 115 are controlled to operate.

The control unit 111 determines whether the power is turned on (S103), and the tuner unit 101 receives digital video signals of different broadcast channels when the power is off (S105).

The signal processing unit 103 processes the digital video signals tuned by the respective tuner units 101 and the PVR unit 113 compresses the digital video signals subjected to the signal processing (S107) and stores them in the storage medium 115 (S109).

When the power is turned on, the control unit 111 receives a user input signal from the input unit 109 (S111). At this time, the control unit 111 causes the tuner unit 101 tuning the broadcast channel corresponding to the user input signal among the plurality of tuner units 101 to process the broadcast signal through the signal processing unit 103, And outputs the signal-processed broadcast signal to the display device 107 via the image processing unit 105 (S115).

Then, when the PVR request signal is inputted from the input unit 109 (S117), the PVR unit 113 extracts the broadcast stream corresponding to the PVR request signal from the storage medium 115 and outputs the extracted broadcast stream to the display device 107 (S119 ).

Also, steps S105 to S107 are continuously performed even when the power is turned on.

3 is a flowchart illustrating a storage medium management operation of the PVR unit according to an embodiment of the present invention, and may be additionally included in step S109.

Referring to FIG. 3, the PVR unit 113 determines whether the storage space of the storage medium 115 is insufficient (S201).

At this time, if the storage space is insufficient, the compressed digital video signal is overwritten and stored in the existing space (S203).

On the other hand, if the storage space is insufficient, the compressed digital image signal is stored in an empty space, that is, the remaining space (S205).

FIG. 4 is a flowchart illustrating a storage medium management operation of the PVR unit according to another embodiment of the present invention, and may be added at any stage in FIG.

Referring to FIG. 4, the PVR unit 113 determines whether a predefined period has arrived (S301). If a predefined period arrives, the PVR unit 113 determines whether a digital image signal stored in the storage medium 115 Are sequentially deleted to form a memory space (S303).

FIG. 5 is a flowchart illustrating a PVR control method of a broadcast receiving apparatus according to another embodiment of the present invention, and may be a detailed step included in step S119 of FIG.

5, when the PVR request signal is inputted from the input unit 109 (S401), the PVR unit 113 searches the storage medium 115 for the broadcast stream corresponding to the PVR request signal (S403).

At this time, it is judged whether or not it exists in the storage medium 115 (S405). If it exists, the corresponding broadcast stream is extracted from the storage medium 115, and the image is processed and outputted to the display device 107 (S407).

On the other hand, if it is not present in the storage medium 115, it requests the operation of the piconet control unit 119. Then, the handoff control unit 119 accesses the peer-to-peer network (S409).

The peeping control unit 119 searches for a device holding the broadcast stream (S411) and receives a broadcast stream from the at least one broadcast receiving apparatus 100 (S413). Then, the PVR unit 113 transfers the broadcast stream received in step S413 to the image processing unit 105, and outputs the broadcast stream to the display device 107 (S415).

FIG. 6 is a flowchart illustrating a PVR control method of a broadcast receiving apparatus according to another embodiment of the present invention.

At this time, the peer-to-peer network comprises a plurality of different broadcast receiving apparatuses 100, and a relay server (not shown) for receiving and managing broadcast stream hold information stored in the storage medium 115 by a plurality of different broadcast receiving apparatuses 100 ).

Referring to FIG. 6, the first broadcast receiving apparatus 100 and the second broadcast receiving apparatus 100 transmit broadcast stream hold information to a relay server (S501, S503).

Thereafter, the handoff control unit 119 of the first broadcast receiving apparatus 100 transmits a broadcast stream search request to a relay server (not shown) (S507).

In step S509, the relay server (not shown) inquires of the broadcast receiving apparatus having the broadcast stream requested to be searched in step S505 based on the received broadcast stream information of each broadcast receiving apparatus. Then, the device information is returned to the first broadcast receiving apparatus 100 (S511).

The piconet controller 119 of the first broadcast receiving apparatus 100 requests the second broadcast receiving apparatus 100 to transmit a broadcast stream using the apparatus information received in step S511 (S513).

The pod control unit 119 of the second broadcast receiving apparatus 100 extracts the broadcast stream requested in step S513 from the storage medium 115 in step S515 and transmits the extracted broadcast stream to the first broadcast receiving apparatus 100 in step S517.

At this time, the peer-to-peer connection technique of the first broadcast receiving apparatus 100 and the second broadcast receiving apparatus 200 can be adopted in various methods conventionally published.

FIG. 7 is a flowchart illustrating a method of controlling a PVR of a broadcast receiving apparatus according to another embodiment of the present invention, and is a detailed example of step S413.

Referring to FIG. 7, the piconet control unit 119 of the first broadcast receiving apparatus 100 broadcasts a broadcast stream search request to a plurality of broadcast receiving apparatuses connected to the peer-to-peer network (S601).

At this time, the piconet controller 119 of the second broadcast receiving apparatus 100 determines whether the requested broadcast stream exists in the storage medium 115 (S603) when the broadcast stream search request is received in step S601.

If it is determined in step S603 that it does not exist, the step ends.

If it is determined in step S603 that the broadcast program exists, the broadcast stream requested in step S601 is extracted from the storage medium 115 in step S605 and transmitted to the first broadcast receiving apparatus 100 in step S607.

8 shows a PVR control screen according to an embodiment of the present invention.

Referring to FIG. 8, the PVR control interface P1 (UI / UX) is output according to the operation of the input unit 109 while the display apparatus 107 outputs the broadcast screen.

The controller 111 freely moves the EPG or the miniEPG on the time axis, and provides a UI / UX (P1) in which the channel switching is free in the past time pro.

At this time, the PVR control interface P1 (UI / UX) has an item (P3) for moving to a channel before the current channel, for example, a channel 6 which is the front channel of the channel 7, An item P5 for moving to the channel 8 which is the next channel of channel 7, and an item P7 indicating the current channel.

Also, the PVR control interface P1 (UI / UX) includes an item P9 indicating the storage location of the currently output broadcast stream (the time point at which the currently output broadcast stream is located among the entire broadcast programs). An item P11 indicating the entire broadcast program, and an item P13 indicating the position occupied by the currently output broadcast stream in the entire broadcast program.

The embodiments of the present invention described above are not implemented only by the apparatus and method, but may be implemented through a program for realizing the function corresponding to the configuration of the embodiment of the present invention or a recording medium on which the program is recorded.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, It belongs to the scope of right.

Claims (10)

A plurality of tuners each tuning a plurality of different broadcast channels,
A storage medium for storing the broadcast streams tuned by the plurality of tuner units,
A PVR unit for storing each broadcast stream tuned by the plurality of tuner units in the storage medium and for extracting a requested broadcast stream from the storage medium when a PVR (personal video recorders) reproduction request is received from the user, and
Controlling the plurality of tuner units and the PVR unit to operate even when the power source is turned off, receiving the PVR playback request from the input unit and transmitting the PVR playback request to the PVR unit after the power is turned on, And outputs the stream to the connected display device
And the broadcast receiving apparatus. The method according to claim 1,
Wherein the plurality of tuner units comprise:
Wherein a plurality of broadcast receiving channels are provided for a plurality of specified number of terrestrial broadcast channels. The method according to claim 1,
The PVR unit
And periodically monitoring a remaining storage space of the storage medium and deleting a broadcast stream of a predetermined capacity among the pre-stored broadcast streams when there is no remaining storage space. The method according to claim 1,
The PVR unit includes:
Wherein the tuner is configured to overwrite a currently tuned broadcast stream on a storage space of the oldest broadcast stream among the previously stored broadcast streams when the remaining storage space in the storage medium is insufficient when storing the tuned broadcast streams. The method according to claim 1,
A data communication unit connected to a peer-to-peer (P2P) network to which a plurality of different broadcast receiving apparatuses are connected and communicating with one or more different broadcast receiving apparatuses, and
Further comprising a peephole control unit for receiving the requested broadcast stream from one or more broadcast receiving apparatuses connected to the peer network,
The PVR unit includes:
And requests the peer-to-peer control unit to search for the requested broadcast stream if the requested broadcast stream is not present in the storage medium, and then transmits the request to the control unit. 6. The method of claim 5,
The above-
And a relay server that receives and manages broadcast stream hold information stored in the storage medium by the plurality of different broadcast receiving apparatuses and the plurality of different broadcast receiving apparatuses,
The above-
And a broadcast receiving unit that periodically collects broadcast stream storage information stored in the storage medium from the PVR unit and transmits the stored broadcast stream storage information to the relay server, Requesting and receiving the requested broadcast stream to a receiving apparatus, and extracting a broadcast stream requested by the at least one broadcast receiving apparatus from the storage medium and transmitting the broadcast stream. 6. The method of claim 5,
The above-
Broadcasting the request for searching for the requested broadcast stream to one or more different broadcast receiving apparatuses connected to the peer-to-peer network, receiving the requested broadcast stream from one or more broadcast receiving apparatuses having the requested broadcast stream, And transmits a broadcast request for a search request from the storage medium to a broadcast receiving apparatus that has transmitted the search request when a search request for the broadcast stream is received through the network. A personal video recorder (PVR) control method of a broadcast receiving apparatus,
Processing and compressing a broadcast stream received through a plurality of tuner units in a power off state and storing the signal in a storage medium,
When the power is turned on, tuning a broadcast channel according to a user input signal, performing signal processing, image processing, and outputting to a screen,
Receiving a user input signal moving to a previous time while a broadcast stream corresponding to the broadcast channel is output to a screen,
Extracting a broadcast stream corresponding to a time point corresponding to the user input signal from the storage medium, and
Outputting the extracted broadcast stream to a screen
/ RTI > 9. The method of claim 8,
After the step of outputting to the screen,
Receiving a user input signal for moving to another broadcasting channel while the broadcasting stream corresponding to the broadcasting channel is displayed on the screen, tuning the other broadcasting channel received in real time and outputting the tuned broadcasting channel to the screen,
Receiving a user input signal moving to a previous time while the other broadcast channel is output on a screen,
Extracting a broadcast stream corresponding to the previous time from the storage medium, and
Outputting the extracted broadcast stream to a screen
Lt; / RTI > 10. The method of claim 9,
Wherein the extracting from the storage medium comprises:
Determining whether the corresponding broadcast stream is stored in the storage medium,
Extracting the corresponding broadcast stream from the storage medium, if it is stored; and
Requesting the retrieval of the corresponding broadcast stream by a peer-to-peer (P2P) network and receiving the corresponding broadcast stream from one or more broadcast receiving apparatuses connected to the peer-to-peer network if it is not stored in the storage medium
/ RTI >
KR1020150059197A 2014-04-25 2015-04-27 Broadcast receiver and pvr control method KR20150123750A (en)

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KR20140049839 2014-04-25
KR1020140049839 2014-04-25

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