JP6564897B2 - Broadcast content reproducing apparatus and information providing system using information terminal - Google Patents

Description

  The present invention relates to a broadcast content playback apparatus, an information terminal, and an information providing system.

  When viewing TV, it is convenient if related content can be obtained and viewed via the Internet with a mobile phone or a tablet computer. It has been proposed that content can be acquired from a server device using the characteristics of video and audio reproduced on a television and information embedded therein. For example, Patent Document 1 (Japanese Patent Laid-Open No. 2002-41569) discloses that search results such as product names are provided using music fragments encountered in television programs and the like. However, in order to acquire the URL or the like of the content, an operation for capturing audio or video is necessary, and the operation including the timing is complicated.

  It is desirable to acquire viewing information from a television receiver that is being viewed without complicated operations and to acquire content from an external server based on the viewing information.

  Note that acquisition of viewing information of a television receiver with a mobile phone is described in Patent Document 2 (Japanese Patent Laid-Open No. 2006-14122). This Patent Document 2 makes it possible to easily cope with a change in viewing environment by performing short-range wireless communication between a stationary television receiver and a mobile phone with a television viewing function to exchange viewing information. Propose that.

  The above-described prior art and its problems are described only to explain a part of the background of the present invention. It should be noted that the present invention is not limited to the above-described prior art and problems.

JP 2002-41569 A JP 2006-14122 A

  The present invention has been made in view of the above circumstances, and an object thereof is to obtain viewing information and the like and obtain related contents via a network without complicated operations. .

  According to this invention, in order to achieve the above-mentioned object, the configuration as described in the claims is adopted. Here, prior to explaining the invention in detail, supplementary explanation will be given for the claims.

  That is, according to one aspect of the present invention, in order to achieve the above-described object, broadcast content identification information included in a broadcast signal to be reproduced is transmitted to a broadcast content reproduction device that reproduces broadcast content included in a broadcast signal. A communication unit that is incorporated in a communication packet and intermittently transmits by a broadcast method is provided.

  According to another aspect of the present invention, an NID (network identifier), SID (service) in a transport stream included in a broadcast signal to be reproduced is transmitted to a broadcast content reproduction apparatus that reproduces broadcast content included in a broadcast signal. An identifier) or broadcast content identification information including at least one of EID (event identifier) is incorporated in a communication packet, and a communication unit that intermittently transmits the broadcast method is provided.

  Furthermore, according to another aspect of the present invention, an NID (Network Identifier), SID (Service) in a transport stream included in a broadcast signal to be reproduced is transmitted to a broadcast content reproduction apparatus that reproduces broadcast content included in a broadcast signal. Identifier) or broadcast content identification information including at least one of EID (event identifier), an advertisement packet conforming to Bluetooth LE (IEEE 802.15.1, LE means Low Energy. Bluetooth is a registered trademark). And a communication unit that intermittently transmits by a broadcast method.

  The broadcast content reproduction apparatus is typically a television receiver or a radio broadcast receiver, but includes various apparatuses having a TV viewing function and a radio viewing function, and mobile terminals (including mobile phones and tablet computers). The broadcast content identification information is typically identification information of a broadcast program being viewed, but is not limited thereto. For example, the broadcast content identification information may be identification information of a broadcast program being recorded. It may be a channel (service) identifier. The broadcast content playback apparatus is typically stationary, but may be portable or non-stationary.

  According to this configuration, since broadcast content identification information is broadcast from the broadcast content playback device, it can be received by an information terminal such as a portable terminal and external content related to this content can be easily obtained via the network.

  In this configuration, the broadcast content identification information may be at least one of NID (network identifier), SID (service identifier), or EID (event identifier), but is not limited thereto. The processing target content identification information may be one of these (NID, SID, or EID), or a combination of two or more (NID + SID, NID + EID, SID + EID, or NID + SID + EID). NID, SID, and EID are described in ARIB-STD-B10 for the standard NIT, NID is defined in Part 2.2.4, Appendix N ARIB-TR-B14, and SID is Part 2 It is defined in 5.2.6, and EID is further defined in Part 2 5.2.7.

  As broadcast content identification information, a URI (for example, one generated from service information SI) that uniquely identifies a program may be used (M. McRobert, “Automatic Service Discovery with TVDNS”, [online], June 12). , 2010).

  In this configuration, the broadcast content identification information may be broadcast by Bluetooth LE (Low Energy. Bluetooth is a registered trademark). In Bluetooth LE, data broadcasting is typically performed using an advertising packet. As long as broadcast communication is possible, other short-range wireless systems may be employed.

  Advertising packets for beacon broadcast using Bluetooth LE include, for example, UUID (Universally Unique Identifier, Request For Comments 4123), major number, and minor number (minor number) or minor number (minor number). At least one includes processing target broadcast content identification information as a whole, which may be compressed and encoded. For example, NID, SID, and EID are included in the major number and minor number by compression encoding. Typically, the UUID is 16 bytes, and the major number and the minor number are each 2 bytes.

  According to another aspect of the present invention, an information providing system includes a broadcast content playback device, an information terminal, and a server device that play back broadcast content included in a broadcast signal, and the broadcast content playback device is a playback target. Broadcast content identification information including at least one of NID (network identifier), SID (service identifier), or EID (event identifier) in a transport stream included in a broadcast signal is converted into Bluetooth LE (IEEE 802.15.1). , LE means Low Energy, Bluetooth has a communication unit that is incorporated in an advertisement packet conforming to the registered trademark) and transmits intermittently in a broadcast system, and the information terminal is connected to the communication unit of the broadcast content reproduction apparatus. Sent by broadcast method The broadcast information identification information is received from the advertisement packet and the broadcast content identification information is extracted from the advertisement packet, and the broadcast content identification information is associated with the server device based on the broadcast content identification information extracted by the identification information reception unit. A request unit that requests transmission of external content, an external content reception unit that receives the external content from the server device, and a presentation unit that presents the external content received by the external content reception unit, The server device includes a receiving unit that receives a request from the requesting unit of the information terminal, and a transmitting unit that transmits the stored content corresponding to the broadcast content identification information to the information terminal.

  In this configuration, the stored content corresponding to the broadcast content identification information may be content linked to the broadcast content or content supplementing the broadcast content.

  Further, the stored content corresponding to the broadcast content identification information may be video information corresponding to the broadcast content.

  Further, the stored content corresponding to the broadcast content identification information may include subtitle information corresponding to the broadcast content.

  The program executed by the processor of the information terminal used in the information providing system receives the advertisement packet transmitted by the broadcast method from the communication unit of the broadcast content reproduction device, and receives the broadcast content identification information from the advertisement packet. An identification information receiving unit that extracts the content, a request unit that requests the server device to transmit external content corresponding to the broadcast content identification information based on the broadcast content identification information extracted by the identification information reception unit, and the server The processor may be configured as an external content receiving unit that receives the external content from a device and a presentation unit that presents the external content received by the external content receiving unit.

  In addition, a seal with a remote control signal processing function has a control signal receiving unit that receives the control signal from a remote control device that transmits the control signal, and a storage unit that stores control content data specifying the control content of the control signal And a communication unit that communicates the control content data stored in the storage unit by a broadcast method.

  In such a seal with a remote control function, the remote control device may be an information terminal having a remote control function.

  The present invention can be realized not only as an apparatus or a system but also as a method. Of course, a part of the invention can be configured as software. Of course, software products used to cause a computer to execute such software are also included in the technical scope of the present invention.

  The technical features will be supplementarily described below.

  That is, according to one aspect of this technical feature, in order to achieve the above-described object, the content playback apparatus is provided with a communication unit that communicates the processing target content identification information related to the content being processed by the broadcast method. Yes.

  The content reproduction device includes a broadcast content reproduction device. The broadcast content reproduction apparatus is typically a television receiver or a radio broadcast receiver, but includes various apparatuses having a TV viewing function and a radio viewing function, and a mobile terminal (including a mobile phone and a tablet computer), Further, it includes a broadcast program recording / reproducing apparatus such as a recording apparatus for recording / reproducing the broadcast program. The broadcast program recording / reproducing apparatus may be incorporated in a television receiver or may be a separate one. The processing target broadcast content identification information is typically identification information of a broadcast program being viewed, but is not limited thereto. For example, the broadcast content identification information may be identification information of a broadcast program being recorded, and may be a broadcast transmission path (network). It may be an identifier of an organized channel (service). The broadcast content playback apparatus is typically stationary, but may be portable or non-stationary.

  The content playback apparatus includes a content playback apparatus that plays back non-broadcast content including package media such as CDs and DVDs. The content identification information is information for identifying the package content, and control data such as a title and a chapter included in the package may be used.

  According to this configuration, the processing target content identification information is broadcast from a content playback device, for example, a broadcast content playback device, so that it is received by an information terminal such as a mobile terminal and external content related to this content is transmitted via the network. Can be obtained easily.

  In this configuration, the processing target content identification information is, for example, identification information regarding broadcast content being broadcasted for viewing, identification information regarding broadcast content to be recorded, or identification information regarding recorded broadcast content to be played back. However, the present invention is not limited to this.

  In this configuration, the processing target content identification information may be at least one of NID (network identifier), SID (service identifier), or EID (event identifier), but is not limited thereto. The processing target content identification information may be one of these (NID, SID, or EID), or a combination of two or more (NID + SID, NID + EID, SID + EID, or NID + SID + EID). NID, SID, and EID are described in ARIB-STD-B10 for the standard NIT, NID is defined in Part 2.2.4, Appendix N ARIB-TR-B14, and SID is Part 2 It is defined in 5.2.6, and EID is further defined in Part 2 5.2.7.

  As the processing target content identification information, a URI (for example, one generated from service information SI) that uniquely identifies a program may be used (M. McRobert, “Automatic Service Discovery with TVDNS”, [online], June). 12, 2010).

  In this configuration, the processing target broadcast content identification information is broadcast by Bluetooth LE (Low Energy. Bluetooth is a registered trademark). In Bluetooth LE, data broadcasting is typically performed using an advertising packet. As long as broadcast communication is possible, other short-range wireless systems may be employed.

  Advertising packets for beacon broadcast using Bluetooth LE include, for example, UUID (Universally Unique Identifier, Request For Comments 4123), major number, and minor number (minor number) or minor number (minor number). At least one includes processing target broadcast content identification information as a whole, which may be compressed and encoded. For example, NID, SID, and EID are included in the major number and minor number by compression encoding. Typically, the UUID is 16 bytes, and the major number and the minor number are each 2 bytes.

  Further, according to another aspect of this technical feature, to the information terminal: an identification information receiving unit that receives processing target content identification information related to the content being processed communicated in a broadcast manner from the communication unit of the content reproduction device; A request unit that requests the server device to transmit external content corresponding to the processing target content identification information based on the processing target content identification information received by the identification information receiving unit; and receives the external content from the server device An external content receiving unit that provides the external content received by the external content receiving unit.

  The information terminal, that is, the host terminal is typically a portable terminal, but is not suitable for carrying as long as it can receive the processing target content identification information broadcast from the content playback device, for example, a stationary personal computer or information It may be a home appliance. Although a portable terminal or mobile terminal is typically a mobile phone, a portable computer, a tablet computer, a media player, personal digital assistants, and a combination of two or more functions realized by these products Any device including a composite product that realizes If it has an information terminal function, it may be a remote control such as a television receiver.

  According to this configuration, since the processing target content identification information is broadcast from the content reproduction device, it can be received by an information terminal such as a portable terminal, and external content related to this content can be easily acquired via the network.

  In this configuration, the mobile terminal may be provided with an option specifying unit that specifies an option for selecting a plurality of external contents assigned to one of the processing target content identification information.

  The plurality of external contents may be for each content provider, may be data broadcast contents included in the broadcast transmission path, or posted on related electronic bulletin boards (including Web log, SNS, Social Networking Service) It may be content.

  According to still another aspect of the technical feature, the information providing system includes an information terminal and a server device, and the information terminal is in the process of being communicated in a broadcast manner from the communication unit of the content reproduction device. An identification information receiving unit that receives processing target content identification information related to the content, and an external content corresponding to the processing target content identification information to the server device based on the processing target content identification information received by the identification information receiving unit A requesting unit that requests the external content from the server device, and a presentation unit that presents the external content received by the external content receiving unit. A receiving unit that receives a request from the request unit of the terminal, and the processing target content identification information The contents in the corresponding storage so that a transmitting unit for transmitting to the information terminal.

  Although the request from the information terminal is supplied to the server device via the network, the content reproduction device may supply the request to the server device via the network under the instruction of the information terminal.

  The server device is typically an HTTP-compliant web-based server device, but may be any server device that complies with other communication methods.

  According to this configuration, since the processing target content identification information is broadcast from the content reproduction device, it can be received by an information terminal such as a portable terminal, and external content related to this content can be easily acquired via the network.

  According to another aspect of this technical feature, control content data for specifying the control content of the control signal is stored in a remote control device (also simply referred to as “remote control”) that transmits a control signal to the content reproduction device. And a communication unit that communicates the control content data stored in the storage unit to the information terminal by a broadcast method.

  The control content is a remote control ID (remote control key identification information) or other channel selection data. The remote control device may be any device that can remotely control the content reproduction device, and may be an information terminal having a remote control function. It is possible to preset the information for specifying the region, and transmit the region specifying information in addition to the control content.

  According to this configuration, the channel selection data such as the remote control ID is broadcast from the remote control device, so that it can be easily received via the network by receiving the data with an information terminal such as a portable terminal.

  According to another aspect of this technical feature, the control for receiving control content data specifying the control content of the control signal communicated to the information terminal by the broadcast method from the communication unit of the remote control device for content playback device A content data receiving unit; a requesting unit that requests the server device to transmit external content corresponding to the control content based on the control content data received by the control content data receiving unit; An external content receiving unit that receives content; and a presentation unit that presents the external content received by the external content receiving unit are provided.

  According to this configuration, the channel selection data such as the remote control ID is broadcast from the remote control device, so that it can be easily received via the network by receiving the data with an information terminal such as a portable terminal.

  According to another aspect of the technical feature, the information providing system includes an information terminal and a server device, and the information terminal is communicated by a broadcast method from a communication unit of the remote control device for content reproduction device. A control content data receiving unit for receiving control content data specifying the control content of the control signal, and transmitting external content corresponding to the control content to the server device based on the control content data received by the control content data receiving unit A request unit for requesting to do so, an external content receiving unit for receiving the external content from the server device, and a presentation unit for presenting the external content received by the external content receiving unit. The receiving unit that receives a request from the requesting unit of the information terminal, and the stored content corresponding to the control content So that a transmitting section for transmitting to the terminal.

  According to this configuration, the channel selection data such as the remote control ID is broadcast from the remote control device, so that it can be easily received via the network by receiving the data with an information terminal such as a portable terminal.

  According to another aspect of the technical feature, the remote control signal processing device includes a control signal receiving unit that receives the control signal from the remote control device that transmits the control signal to the content reproduction device, and the control signal A storage unit for storing control content data for specifying the control content and a communication unit for communicating the control content data stored in the storage unit to the information terminal by a broadcast method are provided.

  According to this configuration, since channel selection data such as a remote control ID set by the remote control device is broadcast, it is received by an information terminal such as a portable terminal, and related external contents can be easily acquired via the network. it can.

  This technical feature can be realized not only as an apparatus or a system but also as a method. Of course, a part of the invention can be configured as software. Of course, software products used to cause a computer to execute such software are also included in the technical scope of the present invention.

  These and other aspects of the invention are set forth in the appended claims and will be described in detail below with reference to examples.

  According to the present invention, since broadcast content identification information is broadcast, it can be easily received via a network by receiving the content with a portable terminal or the like and related to this content.

It is a block diagram explaining the structural example of the content provision system of Example 1 of this invention. It is a functional block diagram of the beacon communication unit of the TV receiver of FIG. It is a figure explaining the advertising packet which carries the beacon signal of the beacon communication unit of the TV receiver of FIG. It is a figure explaining the example of a format of the beacon signal of the beacon communication unit of the TV receiver of FIG. It is a functional block diagram explaining the structural example of the portable terminal of FIG. It is a figure explaining operation | movement of the content provision system of FIG. It is a figure explaining the structural example of TV receiver of FIG. It is a figure explaining the structural example of the portable terminal of FIG. It is a block diagram explaining the structural example of the content provision system of Example 2 of this invention. It is a functional block diagram explaining the structural example of the portable terminal of FIG. It is a figure explaining the option input operation of the portable terminal of FIG. It is a figure explaining the structural example of the server apparatus for broadcast data program provision of FIG. It is a figure explaining operation | movement of the server apparatus for broadcast data program provision of FIG. It is a figure explaining operation | movement of the server apparatus for broadcast data program provision of FIG. It is a figure explaining operation | movement of the server apparatus for bulletin board service provision of FIG. It is a figure explaining the example of access to a bulletin board service. It is a block diagram explaining the structural example of the content provision system of Example 3 of this invention. It is a block diagram explaining the structural example of the content provision system of Example 4 of this invention. 10 is a diagram illustrating an example of use of Example 4. FIG.

  Examples of the present invention will be described below.

[Example 1]
FIG. 1 shows a first embodiment in which the present invention is applied to a content providing system as a whole. In this figure, a television receiver 100 is arranged in a user's home 400. The television receiver 100 is configured as described later with reference to FIG. 7, and includes a beacon communication unit 120 and a viewing information storage unit 130. The beacon communication unit 120 is typically provided on the outer surface or the inside of the housing of the television receiver 100, but may be disposed outside through a predetermined line. The viewing information storage unit 130 typically has identification information (referred to as viewing information) regarding the broadcast content being viewed, for example, NID (network ID, broadcast channel identifier), SID (service ID, organized channel identifier). , And EID (event ID, program identifier). The beacon communication unit 120 receives viewing information from the viewing information storage unit 130 and transmits a beacon signal including the viewing information by a broadcast method. The television receiver 100 may include a recording unit 140. Identification information regarding broadcast content being recorded or reproduced by the recording unit 140 (recorded broadcast content in the case of reproduction) may be stored in the viewing information storage unit 130 as viewing information. In order to acquire the NID, SID, and EID related to the broadcast content being played back by the recording unit 140, it is preferable to store these NID, SID, and EID in association with the recorded program. The television receiver 100 may control the television receiver 100 using the remote controller (remote control device) 200, although the operation unit may be directly operated to prepare for viewing or change the contents. Although the mobile terminal 300 is typically a mobile phone, it may be any device including a portable computer, a tablet computer, a media player, personal digital assistants, and combinations of two or more of these products. It's okay. The portable terminal 300 is connected to a communication network 600 such as the Internet via a packet communication network or the like, and further via a gateway 500 of a communication center of a mobile communication company, and further connected to the server device 700 via this. is there. When the mobile terminal 300 is within a predetermined distance range from the television receiver 100 (beacon communication unit 120), the mobile terminal 300 can receive the beacon signal of the weak radio wave. The beacon signal is an advertising packet that is typically broadcasted in accordance with Bluetooth LE (IEEE802.15.1), but is not limited thereto.

  The beacon communication unit 120 of the television receiver 100 broadcasts, for example, an advertising packet (also referred to as a beacon signal) shown in FIG. 3 using weak radio waves, and the mobile terminal 300 at a short distance receives it. The advertising packet typically includes a 16-byte UUID, a 2-byte major number, and a 2-byte minor number, and specifically includes a UUID and viewing information of NID, SID, and EID. That is, the major number and minor number are filled with NID, SID, and EID. NID is an identifier of a network (transmission path: satellite, terrestrial relay station, modulation frequency, etc.) for transmitting a broadcast service, and can be acquired from a network information table included in the broadcast stream. The SID is an identifier of a broadcast service (so-called organized channel) in the network designated by the NID, and can be acquired from a service description table included in the broadcast stream. The EID is information for identifying an event (so-called program) in the broadcast service designated by the SID, and can be acquired from an event information table included in the broadcast stream. NID, SID, and EID are each 16 bits, but are compressed using a compression table or the like and incorporated into the major number and minor number of the advertising packet. For example, NID and SID may be compressed. When the UUID in the advertising packet is registered in the application of the mobile terminal (and further when RSSI is desired), the mobile terminal 300 receives the advertising packet significantly, extracts the viewing information, and appropriately The content transmission request is sent to the server device 700. The server device 700 extracts the corresponding content based on the viewing information included in the content transmission request and supplies it to the mobile terminal 300. An example of this operation will be described later with reference to FIG.

  The server device 700 is typically a web server that performs transmission and reception in accordance with HTTP, includes various application modules, and may include an application server and a database management server.

FIG. 2 shows functional blocks of the beacon communication unit 120 of the television receiver 100. In this figure, the beacon communication unit 120 of the television receiver 100 includes a compression unit 121 and a beacon transmission unit 122. The beacon transmission unit 122 broadcasts an advertising packet in compliance with Bluetooth, and this packet includes a UUID, a major number, and a minor number as described above (FIG. 3). The compressed NID, SID, and EID are incorporated in the major number and mana number fields (FIG. 4). If the number of bits of NID, SID, and EID after compression is BIT (NID), BIT (SID), and BIT (EID), 2 ^{BIT (NID)} networks and 2 ^{BIT (SID)} Service (organization channel), 2 ^{BIT (EID)} programs can be specified. Only NID and SID may be compressed, and EID may be uncompressed. In this case, for example, compressed NID and SID may be incorporated into the major number, and uncompressed 16-bit EID may be incorporated into the minor number. The compression unit 121 obtains viewing information (for example, NID, SID, and EID) from the viewing information storage unit 130, compresses the information by referring to the compression table, and supplies the compressed information to the beacon transmission unit 122.

  FIG. 5 shows functional blocks of the portable terminal 300 with a focus on the parts related to the present invention. In this figure, the portable terminal 300 includes a beacon signal receiving unit 301, an expanding unit 302, a content requesting unit 303, and a content. A reception unit 304 and a content presentation unit 305 are included. These functional parts are formed by combining the hardware and software of the portable terminal 300 described in FIG. The beacon signal receiving unit 301 receives an advertising packet broadcast-transmitted from the beacon communication unit 120 of the television receiver 100 in conformity with Bluetooth LE. The beacon signal receiving unit 301 acquires a UUID, a major number, and a minor number from the advertising packet, and further, based on the radio field intensity, it is close, near (near, for example, within 1 m), and far (far, for example, 1 m or more). ) Category distance information (proximity) is acquired, and in the case of predetermined UUID and distance information, the expansion unit 302 stores the major number and the minor number (that is, at least partly compressed NID, SID, and EID). The decompression unit 302 restores the NID, SID, and EID with reference to the decompression table and supplies them to the content request unit 303. The content requesting unit 303 transmits a content transmission request to the server device 700 with an argument including NID, SID, and EID. The server device 700 is typically a web server, but is not limited thereto. The server device 700 takes out the corresponding content based on the content transmission request and supplies it to the mobile terminal 300. The content may be any web document, audio information, video information, or the like. The content receiving unit 304 receives the content sent from the server device 700, and the content presenting unit 305 reproduces the content. The content transmission request and the content are typically exchanged in conformity with HTTP, but the present invention is not limited to this. Note that the compressed viewing information may be decompressed by the server device 700, and the compressed data and decompressed data correspond one-to-one, so that the content may be selected with the viewing information being compressed. . In this case, the mobile terminal 300 does not use the extension unit 302. Further, when the total number of viewing information bits is less than 32 bits, it is not necessary to perform compression, so the compression unit 121 of the beacon communication unit 120 is unnecessary, and the expansion unit 302 of the mobile terminal 300 is also unnecessary.

  FIG. 6 shows an overall flow of the content providing process. In this figure, the beacon communication unit 120 of the television receiver 100 intermittently broadcasts a beacon signal (advertising packet, FIGS. 3 and 4). The mobile terminal 300 approaching the terminal receives this (S10), generates a content transmission request including NID, SID, and EID based on this (S11). The server device 700 receives the content transmission request including the NID, SID, and EID, determines the corresponding content based on at least one of the NID, SID, or EID with reference to the database, and sends it to the mobile terminal 300 Send. The server apparatus 700 may transmit content corresponding to the network, content corresponding to the organization channel, and content corresponding to the program, and these may change according to time. The mobile terminal 300 may specify content types corresponding to NID, SID, or EID, for example, and may include the option in the content transmission request so that the desired content can be selected. . The content is typically program-linked data and supplementary data, but is not limited to this, and may be network-specific data or service-specific data. As described above, the content is subtitles or text super. Also good.

  In addition, the mobile terminal 300 may designate the content corresponding to the related commercial program based on the EID of the main program. In this case, the server device 700 may specify a commercial program based on the designation, and supply content stored in association with the commercial program.

  FIG. 7 shows a configuration example of the television receiver 100. In this figure, the television receiver 100 includes a tuner / demodulator 101, a TS decoder 102, an audio decoder 103, a video decoder 104, a bus 105, a remote control I / F 106, The CPU 107, ROM / RAM 108, beacon communication unit 120, viewing information storage unit 130, and recording unit 140 are configured. A table of preset values, NID, SID, station name, etc. is generated in advance using PSI (program identification information, NIT, SDI) of TS (transport stream) included in the broadcast signal, and a channel selection operation (remote control 200) NID and SID that are selected according to) can be acquired. Further, the EID of the program currently used can be acquired from SI (service information, particularly EIT) included in the TS. These NID, SID, and EID are stored and held in the viewing information storage unit 130. The viewing information storage unit 130 may be composed of the ROM / RAM 108. The recording unit 140 typically records broadcast content on a hard disk and plays it back, but is not limited thereto. NID, SID, and EID that are being recorded or reproduced by the recording unit 140 may be recorded and held in the viewing information storage unit 130 as viewing information (recording / playback information). The recording unit 140 preferably holds NID, SID, and EID for the recorded program. It may be possible to select and specify whether viewing information during viewing of the television receiver 100 or recording / playback information of the recording unit 140 is used.

  Instead of the television receiver 100, a beacon communication unit 120 may be provided in a recording device (recording device), for example, a DVD player or a BD player with a recording function.

  FIG. 8 shows a configuration example of the mobile terminal 300. In this figure, the mobile terminal 300 includes a processing system 310, a memory 320, an input / output subsystem 330, a high-frequency circuit unit 340, and an audio circuit unit 350. Each of the components can be realized as appropriate by hardware including a signal processing integrated circuit and an application specific integrated circuit, software, or a combination thereof. The high-frequency circuit unit 340 is used to transmit / receive information to / from other devices over a wireless link or network, and to perform this function, an antenna system, an RF transceiver, an amplifier, a tuner, an oscillator, Including, but not limited to, digital signal processors, CODEC chip sets, memories, and other known circuit configurations. The high-frequency circuit unit 340 includes mobile communication such as time division multiple access (TDMA) and code division multiple access (CDMA), wireless LAN (IEEE802.11b, IEEE802.11a, IEEE802.11g and / or IEEE802.11N), Bluetooth ( A communication protocol such as IEEE802.15.1) or Wi-MAX (IEEE802.16) can be used, but is not limited thereto. The audio circuit unit 350 is connected to the audio speaker 351 and the microphone 352. The processing system 310 includes a processor 311, a memory controller 312, and a peripheral device interface 313, and the memory 320 stores codes and data executed by the processor 311. The memory 310 may include any storage device such as RAM, ROM, FLASH, disk drive, magnetic tape and the like. The processor 311 executes various software components stored in the memory 320. For example, the software components include an operating system 321, a communication module 322, a touch / action module 323, a graphics module 324, an application 325, a timer module 326, and a web browser module 327. Application 325 includes location determination capabilities such as a browser, address book, email, encryption, global positioning system (GPS). The input / output subsystem 330 controls the touch panel 331 and the like.

  As described above, the various functions in FIG. 5 are implemented as the hardware resources and software resources in FIG. 4, and can be implemented by installing an application 225 that can be obtained from the outside in the memory 220, for example.

  In the content providing system according to the first embodiment, external content related to broadcast content being viewed, reproduced, or recorded can be acquired without performing complicated operations. In addition, the content to be acquired can be selected based on options designated by the mobile terminal 300 or preset. This is the end of the description of the first embodiment.

[Example 2]
FIG. 9 shows a second embodiment in which the present invention is applied to an alternative content providing system as a whole, and this content providing system can supply various contents from a plurality of server devices 700 to the portable terminal 300. ing. 9, portions corresponding to those in FIG. 1 are denoted by corresponding reference numerals, and description thereof is omitted.

  In FIG. 9, a plurality of server devices 700 are provided so that various contents can be supplied. In this example, a server device 700A provided by a content provider A (for example, an advertising agency), a server device B provided by a content provider B, a server device 700C that provides a data broadcast program included in a broadcast signal, and a bulletin board service are provided. Server device 700D. The server device 700C may provide subtitles or text super instead of or in combination with the data broadcasting program.

  The portable terminal 300 has an option input unit 306.

  FIG. 10 shows a configuration example of the mobile terminal 300 according to the second embodiment. In this configuration, an option input unit 306 is provided. For example, the option input unit 306 can use a user interface as shown in FIG. 11 to select a desired one and select one from various contents. Options may be set in advance and automatically selected based on the options. The server device 700 can previously register content that is preferentially supplied by the user separately from normal content, and provide the content when there is preferential content. For example, when the comment column for the broadcast program is subscribed to and there is a comment column for the broadcast program specified by the EID included in the content transmission request, the comment column is associated with EID and the like is extracted. The comment field may be supplied as content instead of or in combination with normal content.

  FIG. 12 shows a broadcast data program providing system 800 constituting a server apparatus 700C that provides a broadcast data program, and a use environment thereof. Such a broadcast data program providing system is described in Japanese Patent Laid-Open No. 200500517992.

  In FIG. 12, the broadcast data program providing system 800 retains program organization information and, based on the content transmission request from the mobile terminal 300, for example, transmits content related to the program being broadcast at that time. The broadcast data program providing system 800 (server device 700C) is requested in accordance with the above. The broadcast data program providing system 800 retains program organization information, and an address of a content related to the program is associated with this program organization information (FIG. 14), and the mobile terminal 300 is referred to this program organization information. Content related to the program (broadcast data program) is specified and transmitted. The portable terminal 300 acquires content according to HTTP and views it. The content can use various content formats such as HTML, compact HTML, and X-HTML.

In the example of FIG. 12, the broadcast program providing system 800 is provided with an antenna, a tuner 801, and the like to acquire the program schedule from the broadcast signal. Alternatively, the program schedule can be performed as follows.
(1) Timing control is performed on the terminal side, and the server device 700 always responds to the terminal quest.
(2) Do not use the tuner, but synchronize the schedule file with the time.
(3) Control via the network from the broadcasting station side.

  In FIG. 12, a broadcast data program providing system 800, a portable terminal 300, and the like are connected to an external communication network (for example, the Internet) 600. The broadcast data program providing system 800 includes a TV tuner card 801, an SI / PSI decoder 802, a DB writing unit 803, a DB management system 804, a composition management database 805, a web server 806, a content server 807, a router 808, and the like. These are connected to a network (for example, LAN) 809. In this example, the content server 807 is provided in the broadcast data program providing system 800. However, instead of or in addition to this, the content server 807 is provided outside the broadcast data program providing system 800 as indicated by a broken line. It may be provided. In this figure, a DNS server or the like is not shown.

  The portable terminal 300 can be directly or indirectly connected to the external communication network 600 and can send a content transmission request (for example, a GET or PUT request based on HTTP) to the web server 806 to acquire predetermined content. Any type of personal computer, PDA, mobile phone, fixed telephone, television receiver with communication function, set top box, and other information home appliances may be used. A personal computer, a PDA, a mobile phone, a fixed phone, an information home appliance, or the like may have a television receiving function.

  The TV tuner card 801, the PI / PSI decoder 802, and the DB writing unit 803 are mounted on a predetermined information device such as a personal computer and connected to the network 808. At least a part of these may be configured as a part of the dedicated device.

  The TV tuner card 801 tunes and demodulates a digital television broadcast signal, for example, a terrestrial digital television broadcast signal.

  The SI / PSI decoder 802 acquires program organization information (such as the start time, end time or duration of a program for each service channel) from the tuned and demodulated signal. More specifically, the SI / PSI decoder 802 decodes the program specific information (PSI) of the data broadcast of the digital television broadcast, acquires the receivable scheduling service and its packet identifier, etc., and based on this To obtain service information (SI). Program organization information such as the title of a broadcast program (event), broadcast date and time, broadcast time, and broadcast content is acquired by EIT (event information table) which is one of service information. In addition, since the program broadcast information (all station EIT) of all other service channels included in the broadcast network is sent to the data broadcast of each service channel, it is sufficient that the TV tuner card 801 can tune and demodulate one service channel. However, each station EIT for each station may be acquired from a plurality of service channels. It is necessary to provide an appropriate number of TV tuner cards 801, SI / PSI decoders 802, etc. according to the service channel and frequency channel to be covered.

  The DB writing unit 803 acquires the program organization information from the SI / PSI decoder 802 and sends a DB operation request to the DB management system 804 so as to write the program record as shown in FIG. 14 into the organization management database 805. The program record shown in FIG. 14 has an event ID for specifying a program (event) and a destination URL field, but the destination URL is undecided until it is input from the outside. The destination URL is a redirect destination by a later-described redirect mechanism 810 of the web server 806, and a broadcast data program is stored and managed here.

  The DB management system 804 is, for example, a relational database management system, and operates a composition management database 805 that stores records as shown in FIG.

  The web server 806 receives a content transmission request from the mobile terminal 300 in accordance with HTTP, and in this example, includes a redirect mechanism 810. Details of the redirect mechanism 810 will be described later with reference to FIG.

  In this example, the content server 807 is configured as a redirect destination web server.

  FIG. 13 illustrates the processing of a content transmission request (GET method, POST method) from the mobile terminal 300. In FIG. 13, a content transmission request x 01 is sent from the mobile terminal 300 to the redirect mechanism 810 of the web server 806. In this example, the redirect mechanism 810 is configured by a CGI program or a servlet program, but is not limited thereto.

  The redirect mechanism 810 requests a search operation from the DB management system using the EID included in the content transmission request as an argument, and acquires the URL of the content (broadcast data program) related to the program. The redirect mechanism 810 returns a response X02 designating the redirect destination to the portable terminal 300 using this URL. The portable terminal 300 sends a content transmission request to the redirect destination by a GET method or the like, and acquires a related file.

  The server device 700D that provides the bulletin board service in FIG. 9 manages the bulletin board based on NID, SID, and EID, and can browse the corresponding posted content based on the content transmission request from the mobile terminal 300. . A redirect mechanism may be used as in FIG. The URL corresponding to NID, SID, and EID may be returned to the portable terminal 300 so that the corresponding server device can be accessed.

  The server device 700D is a server device that provides a bulletin board service. The bulletin board service is typically realized by a web service and a database management service, but is not limited thereto. The bulletin board service is specified by a URL, and typically has a form in which a user sets a thread and further posts the thread.

  For example, the portable terminal 300 acquires bulletin board information based on the association table between the SID (organization channel) and the bulletin board URL shown in FIG. 15 based on the SID extracted from the beacon signal. The server device 700D may hold an association table between SIDs and bulletin board URLs, and the mobile terminal 300 may make a content transmission request (bulletin board browsing request) including the SID. The mobile terminal 300 may use NID or EID instead of or in combination with the SID.

  In the bulletin board system, when posting, a thread to be posted can be specified by an identifier associated with NID, SID, or EID, and a program table, for example, a program frame in FIG. It is preferable to create an HTTP request based on the NID, SID, or EID associated with the frame so that the user can log in to the corresponding bulletin board site.

  According to the second embodiment, a desired one can be acquired from various contents according to the viewing contents based on the operation of the user of the mobile terminal 300.

[Example 3]
FIG. 17 shows a third embodiment in which the present invention is applied to another alternative content providing system as a whole. In this embodiment, a remote controller (remote control device) 200 for remotely controlling the television receiver 100 is shown. The mobile terminal 300 can acquire the content corresponding to the control content from the server device 700 based on the control content, for example, the remote control ID. In FIG. 17, the remote controller 200 is not limited to the one for a television receiver, and may be a remote control device for other types of broadcast content playback devices such as radio receivers and playback devices for playing back non-broadcast content. . Various information terminals may be employed instead of the portable terminal 300. The parts corresponding to those in FIG.

  In FIG. 17, remote control 200 includes key operation unit 205, remote control signal transmission unit 210, remote control signal information storage unit 230, and beacon communication unit 220. When a channel selection operation is performed by the key operation unit 205, the control contents such as remote control ID, ON / OFF, and volume control are modulated into an infrared or RF remote control signal and transmitted from the remote control signal transmission unit 210 to the TV receiver 100. 100 is remotely controlled. The remote control ID transmitted to the TV receiver 100 is also sent to and stored in the remote control ID storage unit, and the beacon signal unit 220 transmits a beacon signal including the remote control ID to the portable terminal 300 by the broadcast method. The portable terminal 300 takes out the remote control ID from the beacon signal and acquires the content corresponding to the remote control ID from the server device 700. Other channel selection data may be used instead of the remote control ID. Since the association between the remote control ID and the broadcasting station (broadcasting service) differs depending on the region, the beacon signal may include optional region specifying information in addition to the remote control ID. The area specifying information may be preset using the key operation unit 205 of the remote controller 200. When there is no area specifying information, the broadcasting station (broadcasting service) may be specified using the position information of the mobile terminal 300.

  For example, when the channel selection of the television receiver 100 is switched to “A broadcast station” by operating the “1” operation key on the remote controller 200, the remote control ID of “1” is stored in the remote control signal information storage unit 230. Is done. The beacon communication unit 220 acquires the remote control ID of “1” from the remote control signal information storage unit 230, and further preset data (for example, data representing “Tokyo” or “Kanto”) preset data (stored in the remote control 200). ) Are combined and included in the beacon signal and broadcast by weak radio waves. The mobile terminal 300 receives the beacon signal, extracts the remote control ID and the area information, and sends a request for transmission of external content related to “broadcast station A” to the server device 700 using these as arguments. Based on the transmission request, the server device 700 transmits external content related to “Broadcasting station A” to the mobile terminal 300, and the mobile terminal 300 enables viewing and browsing of the external content. The external content may be selected from the content according to the request (content corresponding to the program being broadcast at that time). The external content may be various types such as audio, video, and document.

  In addition to operating the remote control 200 in the normal mode and including the remote control ID in the beacon signal and transmitting it by the broadcast method, it is possible to switch to another auxiliary mode by key operation or slide switch operation, The remote control operation is prohibited (that is, the remote control signal is not transmitted even if a key operation is performed), and the content stored in the remote control ID storage unit 230 is rewritten by a key operation or the like independently of the remote control operation, and the content is converted into a beacon signal. It may be included and communicate by a broadcast system. In this case, information related to a specific broadcast channel can be acquired from the server device 700 independently of the remote control operation, that is, the viewing content of the TV receiver 100. Further, in this mode, information other than the remote control ID, for example, information for specifying a predetermined server device to be accessed and an access destination address is stored in the remote control ID storage unit 230 based on key operation and the like, and this is stored in the beacon signal. It is also possible to communicate in the broadcast method and acquire predetermined information from the server device or the access destination address independently of the broadcast channel. One or a plurality of specific access destination addresses may be assigned to predetermined one or a plurality of keys, respectively, and the access destination addresses may be easily stored in the remote control ID storage unit 230 by a key operation. To resume the remote control operation with the remote control 200, the remote control operation mode is restored by a key operation or the like. If the mobile terminal 300 has a remote control function, external content corresponding to the control content (remote control ID, optional area specifying information) is acquired from the server device 700 using the control content transmitted by the remote control operation. good.

[Example 4]
FIG. 18 shows a fourth embodiment in which the present invention is applied to another alternative content providing system as a whole. In this embodiment, a remote control signal processing apparatus is provided separately from the TV receiver 100 that receives a remote control signal. 900 is provided. The remote control signal processing device 900 may be mounted as a practical product such as an accessory, a doll, a jewelry, a seal, or a watch. The remote control signal processing device 900 receives a remote control signal from the remote control 200, stores and holds the remote control ID, and transmits a beacon signal including the remote control ID to the portable terminal 300 by the broadcast method. In the fourth embodiment, the TV receiver 100 itself does not need to transmit a beacon signal. As shown in FIG. 19, the remote controller 200 is preferably configured to send a signal to the light receiving unit (or RF receiving unit) 100A of the TV receiver 100 and the light receiving unit (or RF receiving unit) 900A of the remote control signal processing device 900 in a broken line area. Can be irradiated at an effective level. The TV receiver 100 receives a remote control signal from the remote controller 200 and executes a controlled operation. The remote control signal processing device 900 includes a remote control signal receiving unit 910, a remote control ID storage unit 930, and a beacon communication unit 920. The remote control signal receiving unit 910 of the remote control signal processing device 900 receives a remote control signal (for example, an infrared signal) from the remote control 200 to acquire control data, and the remote control ID storage unit 930 can update and write the remote control ID of the control data. To remember. The beacon communication unit 920 reads the remote control ID from the remote control ID storage unit 930 and transmits a beacon signal including the remote control ID to the mobile terminal 300 by the broadcast method. The portable terminal 300 takes out the remote control ID from the beacon signal and acquires the content corresponding to the remote control ID from the server device 700. If other channel selection data can be used instead of the remote control ID, this may be used. Since the association between the remote control ID and the broadcasting station (broadcasting service) differs depending on the region, the beacon signal may include optional region specifying information in addition to the remote control ID. The area specifying information may be set in advance in the remote control signal processing apparatus 900 by, for example, a key operation of the remote control 200 and a remote control signal sequence. The remote control signal processing apparatus 900 itself may include an area specifying information switching unit. The remote control signal processing device 900 may include a display unit that displays a light when the remote control ID is successfully acquired from the remote control signal. For example, the remote control signal processing device 900 may be provided at a position that substantially overlaps the light receiving unit 800A of FIG. . In FIG. 19, the remote control signal processing apparatus 900 is placed on a predetermined table in the vicinity of the TV receiver 100, but the TV receiver 100 is arranged in the vicinity of the remote control signal receiving unit 100 </ b> A ( Can be detachable or fixedly attached (in the area where remote control signals can be received). The remote control signal processing apparatus 900 may be arranged separately from the TV receiver 100. In this case, the remote control signal is formally transmitted from the remote control 200 to the remote control signal processing device 900, overlapping with the control of the TV receiver 100. The remote control signal preferably has the same content as the control content of the TV receiver 100, but may have a different content.

  This is the end of the description of the embodiment.

  In addition, this invention is determined based on description of a claim, and is not limited to the specific structure of the Example, a subject, and an effect. The present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the spirit of the present invention.

The technical features described above are listed below.
[Technical features 1]
A content reproduction apparatus comprising a communication unit that communicates processing target content identification information related to content being processed by a broadcast method.
[Technical feature 2]
The content according to Technical Feature 1, wherein the processing target content identification information is identification information regarding broadcast content being broadcast to be viewed, identification information regarding broadcast content to be recorded, or identification information regarding recorded broadcast content to be played back Playback device.
[Technical feature 3]
The content reproduction apparatus according to Technical Feature 1 or 2, wherein the processing target content identification information is at least one of NID, SID, or EID.
[Technical feature 4]
4. The content reproduction apparatus according to any one of technical features 1 to 3, wherein the processing target content identification information is broadcast by Bluetooth LE (Bluetooth is a registered trademark).
[Technical feature 5]
An identification information receiving unit that receives processing target content identification information related to the content being processed communicated by the broadcast method from the communication unit of the content reproduction device;
A request unit that requests the server device to transmit external content corresponding to the processing target content identification information based on the processing target content identification information received by the identification information receiving unit;
An external content receiver that receives the external content from the server device;
An information terminal having a presentation unit for presenting external content received by the external content receiving unit.
[Technical feature 6]
An information terminal according to technical feature 5, which is a portable terminal.
[Technical feature 7]
7. The information terminal according to any one of technical features 5 and 6, further comprising an option designating unit for designating an option for selecting a plurality of external contents assigned to one of the processing target content identification information.
[Technical feature 8]
The information terminal according to any one of technical features 5 to 7, wherein the plurality of external contents assigned to one of the processing target content identification information includes data contents included in the broadcast content being broadcast.
[Technical feature 9]
The information according to any one of the technical features 5 to 8, wherein the plurality of external contents assigned to one of the processing target content identification information includes a posted content of a bulletin board service corresponding to the broadcast content being broadcast. Terminal.
[Technical feature 10]
In an information providing system including an information terminal and a server device,
The above information terminal
An identification information receiving unit that receives processing target content identification information related to the content being processed communicated by the broadcast method from the communication unit of the content reproduction device;
A request unit that requests the server device to transmit external content corresponding to the processing target content identification information based on the processing target content identification information received by the identification information receiving unit;
An external content receiver that receives the external content from the server device;
A presentation unit for presenting the external content received by the external content receiving unit,
The server device is
A receiving unit for receiving a request from the requesting unit of the information terminal;
An information providing system, comprising: a transmission unit that transmits the stored content corresponding to the processing target content identification information to the information terminal.
[Technical feature 11]
In a remote control device that transmits a control signal to a content reproduction device, a storage unit that stores control content data that specifies control content of the control signal, and the control content data stored in the storage unit in an information terminal in a broadcast manner A remote control device for a content reproduction device, comprising: a communication unit that communicates with the content reproduction device.
[Technical feature 12]
A control content data receiving unit for receiving control content data specifying the control content of the control signal, which is communicated in a broadcast manner from the communication unit of the remote control device for the content reproduction device;
A request unit that requests the server device to transmit external content corresponding to the control content based on the control content data received by the control content data receiving unit;
An external content receiver that receives the external content from the server device;
An information terminal having a presentation unit for presenting external content received by the external content receiving unit.
[Technical feature 13]
In an information providing system including an information terminal and a server device,
The above information terminal
A control content data receiving unit for receiving control content data specifying the control content of the control signal, which is communicated in a broadcast manner from the communication unit of the remote control device for the content reproduction device;
A request unit that requests the server device to transmit external content corresponding to the control content based on the control content data received by the control content data receiving unit;
An external content receiver that receives the external content from the server device;
A presentation unit for presenting the external content received by the external content receiving unit,
The server device is
A receiving unit for receiving a request from the requesting unit of the information terminal;
An information providing system, comprising: a transmission unit that transmits the stored content corresponding to the control content to the information terminal.
[Technical feature 14]
A control signal receiving unit that receives the control signal from a remote control device that transmits a control signal to the content reproduction device, a storage unit that stores control content data that specifies control content of the control signal, and a storage unit that stores the control content data A remote control signal processing apparatus comprising: a communication unit that communicates the control content data to an information terminal by a broadcast method.
[Technical feature 15]
A control content data receiving unit for receiving control content data specifying the control content of the control signal, which is communicated in a broadcast manner from the communication unit of the remote control signal processing device;
A request unit that requests the server device to transmit external content corresponding to the control content based on the control content data received by the control content data receiving unit;
An external content receiver that receives the external content from the server device;
An information terminal having a presentation unit for presenting external content received by the external content receiving unit.
[Technical feature 16]
In an information providing system including an information terminal and a server device,
The above information terminal
A control content data receiving unit for receiving control content data specifying the control content of the control signal, which is communicated by a broadcast method from the communication unit of the remote control signal processing device;
A request unit that requests the server device to transmit external content corresponding to the control content based on the control content data received by the control content data receiving unit;
An external content receiver that receives the external content from the server device;
A presentation unit for presenting the external content received by the external content receiving unit,
The server device is
A receiving unit for receiving a request from the requesting unit of the information terminal;
An information providing system, comprising: a transmission unit that transmits the stored content corresponding to the control content to the information terminal.

100 TV receiver 120 Beacon communication unit 121 Compression unit 122 Beacon transmission unit 130 Viewing information storage unit 140 Recording unit 200 Remote controller 300 Portable terminal 301 Beacon signal reception unit 302 Expansion unit 303 Content request unit 304 Content reception unit 305 Content presentation unit 306 Options Input unit 325 Application 327 Web browser module 331 Touch panel 400 Home 500 Gateway 600 Communication network 700 Server device 900 Remote control signal processing device

Claims (6)

In an information providing system including a broadcast content reproduction device, an information terminal, and a server device for reproducing broadcast content included in a broadcast signal,
The broadcast content reproduction apparatus is
Having a communication unit that incorporates broadcast content identification information included in a broadcast signal to be reproduced into a single communication packet and intermittently transmits the broadcast method;
The above information terminal
An identification information receiving unit that receives the communication packet transmitted by the broadcast method from the communication unit of the broadcast content reproduction device and extracts the broadcast content identification information from the communication packet;
A request unit that requests the server device to transmit external content corresponding to the broadcast content identification information based on the broadcast content identification information extracted by the identification information receiving unit;
An external content receiver that receives the external content from the server device;
A presentation unit for presenting the external content received by the external content receiving unit,
The server device is
A receiving unit for receiving a request from the requesting unit of the information terminal;
An information providing system comprising: a transmission unit that transmits the stored content corresponding to the broadcast content identification information to the information terminal. In an information providing system including a broadcast content reproduction device, an information terminal, and a server device for reproducing broadcast content included in a broadcast signal,
The broadcast content reproduction apparatus is
Broadcast content identification information including at least one of NID (network identifier), SID (service identifier), or EID (event identifier) in a transport stream included in a broadcast signal to be reproduced is a single communication packet. Has a communication unit that is intermittently transmitted by broadcast method,
The above information terminal
An identification information receiving unit that receives the communication packet transmitted by the broadcast method from the communication unit of the broadcast content reproduction device and extracts the broadcast content identification information from the communication packet;
A request unit that requests the server device to transmit external content corresponding to the broadcast content identification information based on the broadcast content identification information extracted by the identification information receiving unit;
An external content receiver that receives the external content from the server device;
A presentation unit for presenting the external content received by the external content receiving unit,
The server device is
A receiving unit for receiving a request from the requesting unit of the information terminal;
An information providing system comprising: a transmission unit that transmits the stored content corresponding to the broadcast content identification information to the information terminal.   The information providing system according to claim 1 or 2, wherein the stored content corresponding to the broadcast content identification information is content linked to the broadcast content or content supplementing the broadcast content.   The information providing system according to claim 1 or 2, wherein the stored content corresponding to the broadcast content identification information is video information corresponding to the broadcast content.   The information providing system according to claim 1, 2, or 3, wherein the stored content corresponding to the broadcast content identification information includes caption information corresponding to the broadcast content. The information providing system according to claim 1, wherein at least a part of the broadcast content identification information is compressed and incorporated into the single communication packet.

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