WO2006033338A1 - 放送処理システム - Google Patents
放送処理システム Download PDFInfo
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- WO2006033338A1 WO2006033338A1 PCT/JP2005/017348 JP2005017348W WO2006033338A1 WO 2006033338 A1 WO2006033338 A1 WO 2006033338A1 JP 2005017348 W JP2005017348 W JP 2005017348W WO 2006033338 A1 WO2006033338 A1 WO 2006033338A1
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- WIPO (PCT)
- Prior art keywords
- epg
- data
- broadcast processing
- processing device
- broadcast
- Prior art date
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
- H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4331—Caching operations, e.g. of an advertisement for later insertion during playback
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
- H04N21/4383—Accessing a communication channel
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4622—Retrieving content or additional data from different sources, e.g. from a broadcast channel and the Internet
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47214—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for content reservation or setting reminders; for requesting event notification, e.g. of sport results or stock market
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/482—End-user interface for program selection
-
- 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
- H04N5/46—Receiver circuitry for the reception of television signals according to analogue transmission standards for receiving on more than one standard at will
Definitions
- the present invention relates to a broadcast processing system that receives broadcast data.
- EPG Electronic Program Guide
- the broadcast processing apparatus is used by users and includes a tuner and a receiver.
- the broadcast processing apparatus is connected to an antenna and performs one-way communication for receiving broadcast radio waves from the server via the antenna.
- the server transmits the broadcast data of the program by broadcast radio waves, and periodically transmits the EPG by broadcast radio waves.
- the server transmits EPG by broadcast radio wave when broadcasting data of a program of a specific channel by broadcast radio wave.
- EPG is used as a guide when selecting programs to watch and recording and recording programs.
- Broadcast radio wave power EPG acquisition methods include the terrestrial analog method, BS digital method, and terrestrial digital method.
- the terrestrial analog system and the BS digital system are systems in which the broadcast processing device receives EPG that describes the programs of the plurality of channels by receiving broadcast data of a specific channel among the plurality of channels. .
- the channel when the broadcast processing device is receiving broadcast data is set as a specific channel, and by receiving the broadcast data of that specific channel, an EPG containing only the specific channel is obtained. It is a method to do.
- a user can select a program according to the above-described method using a broadcast processing apparatus, and can view and record (record) the broadcast data of the program.
- the tuner of the broadcast processing apparatus receives the broadcast data of the program transmitted from the server via the antenna. Further, the user uses the broadcast processing apparatus to set the program of the specific channel by the above method. You can select and view the broadcast data of the program.
- broadcast The tuner of the processing device receives the broadcast data of the program of the specific channel transmitted from Sano via the antenna and also receives the EPG transmitted from Sano via the antenna.
- the broadcast processing device can acquire the latest EPG, and when the user browses the latest EPG using the broadcast processing device, the user selects an added / changed program, The broadcast data of the program can be viewed and recorded (recording reservation).
- the broadcast processing device In order for the broadcast processing device to receive the latest EPG, it is necessary to receive broadcast data of a specific channel, so the tuner of the broadcast processing device is in use (eg, recording). In some cases, the broadcast processor cannot always get the latest EPG. In recent years, broadcast processing devices that can automatically make recording reservations based on EPG information have become widespread. In such cases, it cannot be handled when a program is added or changed suddenly. For this reason, it is desirable that the latest EPG can always be obtained.
- Japanese Patent Laid-Open No. 2004-158969 selects other video devices that use resources efficiently and quickly, and resources in the video devices.
- a video system is disclosed that can be used independently.
- This video system includes a plurality of video devices connected to a network.
- Each of the video devices has a resource (tuner).
- the number of video devices shall be three, and shall be represented as the first video device, the second video device, and the third video device, respectively.
- the tuner specifications of the first video equipment and the second video equipment are terrestrial (analog terrestrial, digital terrestrial), and the tuner of the third video is BS (BS digital).
- the tuner of the first video apparatus receives the broadcast data of the terrestrial program via the antenna.
- the user can view and record broadcast data of other programs in the terrestrial system.
- the first video device uses the tuner of the second video device via the network because the tuner of the first video device is full, that is, the tuner of the first video device is in use. To do.
- the first video device transmits a use request for using the tuner of the second video device to the second video device via the network.
- Second video device In response to a use request, the una receives broadcast data of another program in the terrestrial system via the antenna and transmits it to the first video device via the network.
- the user can view and record broadcast data of programs in the BS system.
- the tuner of the first video device since the tuner of the first video device is not a predetermined tuner, that is, the specification of the tuner of the first video device is not the BS system, the first video device connects the tuner of the third video device to the network. Use through. At this time, the first video device transmits a use request for using the tuner of the third video device to the third video device via the network. In response to the usage request, the tuner of the third video device receives the broadcast data of the program in the BS system via the antenna and transmits it to the first video device via the network.
- International Publication No. W099Z63752 pamphlet discloses an information processing apparatus that makes it easier to create an application on the receiving side by rearranging the transmitted EPG data into a list structure.
- This information processing apparatus includes a tuner and a controller.
- the tuner receives EPG service information and EPG program information via the antenna as EPG data transmitted together with broadcast data.
- the tuner uses the generic format descriptor to create an EPG service list for EPG service information capability receivable channels.
- the tuner converts EPG program information into an EPG event list using a general-purpose format descriptor.
- the controller on the receiving side sends a read request to read the EPG data to the tuner via the bus in order to create an application based on the EPG data.
- the tuner sends an EPG service list and an EPG event list as EPG data to the controller via the bus. This makes it easy for devices other than tuners (controllers) to handle EPG data.
- An object of the present invention is to provide a broadcast processing system capable of always obtaining the latest EPG.
- the broadcast processing system of the present invention includes a plurality of broadcast processing devices connected to an antenna and a network.
- Each of the plurality of broadcast processing devices includes a tuner, an EPG control unit, and a storage device.
- the tuner of the first broadcast processing device of the plurality of broadcast processing devices receives EPG (Electric Program Guide) data transmitted from the server via the antenna, and the first broadcast of the plurality of broadcast processing devices.
- the tuner of the second broadcast processing device other than the processing device receives the broadcast data transmitted from the server via the antenna.
- the EPG control unit of the first broadcast processing device stores the EPG data received by the tuner of the first broadcast processing device in the storage device of the first broadcast processing device as received EPG designation data, and receives the received EPG designation data. Send to the network.
- the EPG control unit of the second broadcast processing device receives the received EPG designation data transmitted from the first broadcast processing device via the network and stores it in the storage device of the second broadcast processing device.
- the first broadcast processing device performs the first broadcast processing on the received EPG designation data when the tuner receives the EPG data transmitted from the server via the antenna.
- the latest EPG data can be acquired by storing in the storage device of the device. Even when the user is watching and recording the broadcast data of the program using the second broadcast processing device, that is, even when the tuner of the second broadcast processing device is in use, the second broadcast processing device
- the latest EPG can be obtained by storing it in the storage device of the second broadcast processing device.
- a plurality of broadcast processing apparatuses can always acquire the latest EPG data.
- the first EPG designation data including the first acquisition date and the first EPG data is stored in the storage device of the first broadcast processing device.
- the EPG control unit of the first broadcast processing device refers to the storage device of the first broadcast processing device, and converts the EPG data received by the tuner of the first broadcast processing device and the first EPG designation data. Compare the first EPG data included.
- the EPG control unit of the first broadcast processing apparatus When the EPG received by the tuner of the first broadcast processing apparatus matches the first EPG data included in the first EPG designation data, the EPG control unit of the first broadcast processing apparatus performs the tuner of the first broadcast processing apparatus.
- the reception date / time when the EPG data is received is set as the first acquisition date / time and stored in the storage device of the first broadcast processing device in association with the first EPG data included in the first EPG designation data.
- the EPG control unit of the first broadcast processing device When the EPG data received by the tuner of the first broadcast processing device does not match the first EPG data included in the first EPG designation data, the EPG control unit of the first broadcast processing device The received EPG designation data including is stored as the first EPG designation data in the storage device of the first broadcast processing device, and the received EPG designation data is transmitted to the network.
- the number of times EPG data is transmitted may be greater than the number of times the server updates EPG data. That is, the server may send the EPG data even if the EPG data has not been updated in a certain period of time.
- the first broadcast processing device may be configured such that the contents of the EPG data received by the tuner and the first EPG data included in the first EPG designation data do not match.
- the received EPG designation data is stored as the first EPG designation data in the storage device of the first broadcast processing device, and the received EPG designation data is transmitted to the network.
- the broadcast processing apparatus does not have to perform useless communication such as transmitting received EPG-designated data including EPG data that has not been updated to the network, and power consumption due to communication is reduced.
- the storage device of the second broadcast processing device stores second EPG designation data including the first acquisition date and time and the first EPG data.
- the EPG control unit of the second broadcast processing device When the EPG control unit of the second broadcast processing device receives the received EPG designation data transmitted from the first broadcast processing device, it refers to the storage device of the second broadcast processing device and is included in the received EPG designation data. Compare the reception date and time with the first acquisition date and time included in the second EPG specification data.
- the reception date and time included in the received EPG designation data is stored in the storage device of the second broadcast processing device. If it is newer than the first acquisition date and time included in the stored second EPG designation data, the EPG controller of the second broadcast processing device uses the received EPG designation data as the second EPG designation data as the storage device of the second broadcast processing device. To store.
- the second broadcast processing device since the plurality of broadcast processing devices always obtain the latest EPG data, the same EPG data is always stored in the storage device. Therefore, when the second broadcast processing device receives the received EPG designation data transmitted from the first broadcast processing device, the EPG data contained in the received EPG designation data and the first EPG data contained in the second EPG designation data It is not necessary to compare the contents.
- the reception date and time included in the received EPG designation data may be compared with the first acquisition date and time contained in the second EPG designation data. In this way, the second broadcast processing device receives the received EPG designation data if it is newer than the first acquisition date and time contained in the second EPG designation data included in the reception EPG designation data received from the first broadcast processing device. It is preferable to store it as the first EPG designation data in the storage device of the second broadcast processing device.
- the first broadcast processing device when the EPG data received by the tuner of the first broadcast processing device does not match the first EPG data included in the first EPG designation data, the first broadcast processing device
- the EPG control unit stores the received EPG designation data including the EPG data, the reception date and time, and an identifier for identifying a method for receiving the EPG data as the first EPG designation data in the storage device of the first broadcast processing device.
- Receive EPG specified data is sent to the network.
- the identifier indicates whether the broadcast data for the EPG data can be received by the tuner of the second broadcast processing device.
- the EPG control unit of the second broadcast processing device receives the received EPG designation data transmitted from the first broadcast processing device.
- the identifier included in the received EPG designation data indicates that the tuner of the second broadcast processing apparatus can receive the broadcast data corresponding to the EPG data.
- the reception date / time included in the received EPG designation data is newer than the first acquisition date / time included in the second EPG data stored in the storage device of the second broadcast processing device.
- the EPG control unit of the second broadcast processing device stores the received EPG data as second EPG data in the storage device of the second broadcast processing device.
- the tuner specifications of the first broadcast processing device are the terrestrial analog method, the BS digital method, and the terrestrial digital method
- the tuner specifications of the second broadcast processing device are the terrestrial analog method and the BS digital method.
- the tuner specifications of the second broadcast processor are also in the terrestrial analog system.
- the identifier included in the EPG designation data indicates that the tuner of the second broadcast processing device can receive broadcast data for EPG in the terrestrial analog method.
- the second broadcast processing device can use the EPG data included in the received EPG designation data of the first broadcast processing device, and the reception date and time included in the received EPG designation data is included in the second EPG designation data.
- the received EPG designation data is stored as the first EPG designation data in the storage device of the second broadcast processing device.
- the tuner of the first broadcast processing device receives broadcast data of a specific channel transmitted from the server via the antenna, and receives the EPG transmitted from the server via the antenna. Receive via.
- FIG. 1 shows a configuration of a broadcast processing system of the present invention.
- FIG. 2 shows a configuration of a broadcast processing apparatus 1 of the broadcast processing system of the present invention.
- FIG. 3 shows a system database 161 of the broadcast processing device 1 of the broadcast processing system of the present invention.
- FIG. 4 shows an EPG database 17 1 of the broadcast processing device 1 of the broadcast processing system of the present invention.
- FIG. 5 shows the configuration of the broadcast processing device 2 of the broadcast processing system of the present invention.
- FIG. 6 shows a method database 162 of the broadcast processing device 2 of the broadcast processing system of the present invention.
- FIG. 7 shows an EPG database 17 of the broadcast processing device 2 of the broadcast processing system of the present invention. 2 is shown.
- FIG. 8 shows a configuration of the broadcast processing device 3 of the broadcast processing system of the present invention.
- FIG. 9 shows a system database 16 3 of the broadcast processing device 3 of the broadcast processing system of the present invention.
- FIG. 10 shows an EPG database 17-3 of the broadcast processing device 3 of the broadcast processing system of the present invention.
- FIG. 11 is a flowchart showing the operation of the broadcast processing system of the present invention.
- FIG. 12 is a flowchart showing an EPG ′ antenna reception process as an operation of the broadcast processing system of the present invention.
- FIG. 13 is a diagram for explaining received EPG data in the broadcast processing system of the present invention.
- FIG. 14 is a flowchart showing an EPG ′ network reception process as an operation of the broadcast processing system of the present invention.
- FIG. 15 is a diagram for explaining the operation of the broadcast processing system of the present invention. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 shows the configuration of the broadcast processing system of the present invention.
- the broadcast processing system of the present invention includes a plurality of broadcast processing devices.
- Each of the plurality of broadcast processing apparatuses is used by a user as a television, a PC (Personal Computer), or a PVR (Personal Video Recorder).
- a plurality of broadcast processing apparatuses are installed in a home, for example, and the number of the broadcast processing apparatuses is three, which are represented as broadcast processing apparatuses 1, 2, and 3, respectively.
- Each of the broadcast processing apparatuses 1, 2, 3 is connected to an antenna 4 and a network 5.
- Each of the broadcast processing apparatuses 1, 2, and 3 performs one-way communication that receives broadcast radio waves from the server 6 via the antenna 4.
- the server 6 transmits broadcast data of the program by broadcast radio waves, and transmits program guide information (hereinafter referred to as Electric Program Guide: EPG) data 60 representing the program from the radio waves.
- EPG Electric Program Guide
- the server 6 transmits the EPG data 60 by the broadcast radio wave while transmitting the broadcast data of the program of the specific channel by the broadcast radio wave.
- EPG The data 60 is used as a guide when selecting a program to watch, recording a program, or making a recording reservation.
- a method for acquiring EPG data includes a terrestrial analog method, a BS digital method, and a terrestrial digital method.
- broadcast processing devices 1 to 3 receive EPG data describing programs of multiple channels by receiving broadcast data of specific channels among multiple channels. It is.
- the broadcast processing devices 1 to 3 receive broadcast data, the channel when the broadcast processing device 1 to 3 is set as a specific channel, and the broadcast data of the specific channel is received, the program of only the specific channel can be received. This is a method to obtain the described EPG data.
- the first method one of the terrestrial analog method, BS digital method, and terrestrial digital method is called the first method
- the other one is called the second method
- the other one is the third method. Called.
- the server 6 When the server 6 is composed of three servers, the three servers respectively transmit broadcast data in the first method, the second method, and the third method using broadcast radio waves.
- the three servers when transmitting broadcast data of programs of a specific channel in the first, second, and third systems by broadcast radio waves, respectively, are used for the first, second, and third systems.
- EPG data 60 in is transmitted by broadcast radio waves.
- the one server transmits broadcast data in the first method, the second method, and the third method by broadcast radio waves.
- One of the servers sends EPG data in the 1st, 2nd, and 3rd systems while transmitting broadcast data for programs on a specific channel in the 1st, 2nd, and 3rd systems via broadcast radio waves. 60 is transmitted by broadcast wave.
- the antenna 4 has a function of receiving broadcast data of a program in the first method, the second method, and the third method transmitted from the server 6.
- the antenna 4 receives the broadcast data of the program of the specific channel in the first method, the second method, and the third method transmitted from the server 6, and the first method, the second method, and the third method. It has a function to receive EPG data 60 in.
- FIG. 2 shows the configuration of the broadcast processing device 1 of the broadcast processing system of the present invention.
- the broadcast processing device 1 includes a control device 10 and a receiver 19.
- the receiver 19 includes a display device and a speaker.
- the control device 10 includes a CPU (Central Processing Unit) 11, a storage device 12, a tuner 18, and an input device (not shown).
- CPU Central Processing Unit
- the input device includes a keyboard, a pointing device, and a remote control.
- the storage device 12 stores a computer program 13 executed by the CPU 11.
- the computer program 13 includes an execution unit 14, an EPG control unit 15, a method database 16-1, and an EPG database 17-1. The operations of the tuner 18, the execution unit 14, and the EPG control unit 15 of the broadcast processing device 1 will be described later.
- the method database 16-1 includes, as method information, for example, first method information representing the first method, second method information representing the second method, and third method.
- the third method information that represents is stored. That is, in this embodiment, the specifications of the tuner 18 of the broadcast processing apparatus 1 are the first method, the second method, and the third method. Therefore, the user can use the input device of the broadcast processing device 1 to give an instruction for selecting a program in one of the first method, the second method, and the third method.
- the execution unit 14 of the broadcast processing apparatus 1 controls the tuner 18 with reference to the method database 16-1 when an instruction in the one method is given.
- the tuner 18 of the broadcast processing apparatus 1 has a function of receiving the broadcast data of the program in the above one method transmitted from the server 6 via the antenna 4.
- the tuner 18 of the broadcast processing device 1 receives the EPG data 60 in the one method and the antenna 4 when receiving the broadcast data of the program of the specific channel in the one method transmitted from the server 6. It has the function to receive via.
- the EPG database 17-1 stores, for example, EPG designation data 41 to 43.
- the EPG designation data 41 includes an acquisition date 51, EPG data 61 representing EPG data in the first method, and an identifier 71 for identifying the first method.
- the EPG designation data 42 includes an acquisition date 52, EPG data 62 representing EPG data in the second system, and an identifier 72 for identifying the second system.
- the EPG designation data 43 includes an acquisition date and time 53, EPG data 63 representing EPG data in the third system, and an identifier 73 for identifying the third system.
- the stored EPG designation data 41 to 43 are used as a guide when selecting a program to be viewed, recording a program, or recording a program when the user uses the broadcast processing apparatus 1.
- FIG. 5 shows the configuration of the broadcast processing device 2 of the broadcast processing system of the present invention.
- the broadcast processing device 2 includes a control device 10 and a receiver 19.
- the control device 10 includes a CPU 11, a storage device 12, a tuner 18, and an input device (not shown).
- the storage device 12 includes a computer program 13 to be executed by the CPU 11, and the computer program 13 includes an execution unit 14, an EPG control unit 15, a method database 16-2, and an EPG database 17-2. Is included.
- the operations of the tuner 18, the execution unit 14, and the EPG control unit 15 of the broadcast processing device 2 will be described later.
- the method database 16-2 stores, as method information, for example, first method information representing the first method and second method information representing the second method. Yes. That is, in this embodiment, the specifications of the tuner 18 of the broadcast processing apparatus 2 are the first method and the second method. For this reason, the user can use the input device of the broadcast processing device 2 to give an instruction for selecting a program in one of the first method and the second method.
- the execution unit 14 of the broadcast processing device 2 controls the tuner 18 with reference to the method database 16-2 when an instruction in the one method is given.
- the tuner 18 of the broadcast processing device 2 has a function of receiving the broadcast data of the program in the one method transmitted from the server 6 via the antenna 4.
- the tuner 18 of the broadcast processing device 2 receives the EPG data 60 in the above-mentioned one method when the broadcast data of the program of the specific channel in the above-mentioned one method transmitted from the server 6 is transmitted to the antenna 4. It has a function to receive via.
- the EPG database 17-2 stores, for example, EPG designation data 41 and 42.
- the EPG designation data 41 and 42 are the same as the EPG designation data 41 and 42 stored in the EPG database 17-1.
- the EPG specification data 41 and 42 stored in the EPG database 17-2 are used as a guide when selecting a program to watch and recording / recording a program when the user uses the broadcast processing device 2.
- FIG. 8 shows the configuration of the broadcast processing device 3 of the broadcast processing system of the present invention.
- the physical device 1 includes a control device 10 and a receiver 19.
- the receiver 19 includes a display device and a speaker.
- the control device 10 includes a CPU 11, a storage device 12, a tuner 18, and an input device (not shown).
- the storage device 12 includes a computer program 13 to be executed by the CPU 11, and the computer program 13 includes an execution unit 14, an EPG control unit 15, a method database 16-3, and an EPG database 17-3. Contains. The operations of the tuner 18, the execution unit 14, and the EPG control unit 15 of the broadcast processing device 3 will be described later.
- the method database 16-3 stores, as method information, for example, first method information representing the first method and third method information representing the third method. Yes. That is, in this embodiment, the specifications of the tuner 18 of the broadcast processing device 3 are the first method and the third method. For this reason, the user can use the input device of the broadcast processing device 3 to give an instruction for selecting a program in one of the first method and the third method.
- the execution unit 14 of the broadcast processing device 3 controls the tuner 18 with reference to the method database 16-3 when an instruction in the one method is given.
- the tuner 18 of the broadcast processing device 3 has a function of receiving the broadcast data of the program in the above one method transmitted from the server 6 via the antenna 4.
- the tuner 18 of the broadcast processing device 3 receives the EPG data 60 in the above-mentioned one method from the antenna 4 when receiving the broadcast data of the program of the specific channel in the above-mentioned one method transmitted from the server 6. It has a function to receive via.
- the EPG database 17-3 stores, for example, EPG designation data 41, 43.
- the EPG designation data 41 and 43 are the same as the EPG designation data 41 and 43 stored in the EPG database 17-1.
- the EPG specification data 41 and 43 stored in the EPG database 17-3 are used as a guide when the user uses the broadcast processing device 3 to select a program to be viewed or to record a program.
- the first user can use the broadcast processing device 2 to select the program “1” by the first method and view the broadcast data of the program “1” (step of FIG. 11).
- S1 Release Send data reception process
- step S1 first, the first user issues a first method EPG display instruction using the input device of the broadcast processing device 2.
- the execution unit 14 of the broadcast processing device 2 sends the EPG data 61 included in the EPG designation data 41 stored in the EPG database 17-2 to the receiver 19 of the broadcast processing device 2.
- the EPG data 61 is displayed on the receiver 19 (display device) of the broadcast processing device 2.
- the first user browses the EPG data 61 displayed on the receiver 19 of the broadcast processing device 2 and uses the input device of the broadcast processing device 2 to give a viewing instruction for selecting the program “1” to be viewed. Do.
- the execution unit 14 of the broadcast processing device 2 controls the tuner 18 according to the viewing instruction. At this time, the tuner 18 of the broadcast processing apparatus 2 receives the broadcast data of the program “1” by the first method transmitted from the server 6 via the antenna 4.
- the tuner 18 of the broadcast processing device 2 decodes the broadcast data of the program “1” in the first format received by the antenna 4, converts it into video data and audio data, and outputs it to the receiver 19 of the broadcast processing device 2. To do. In this case, the video data is displayed on the receiver 19 (display device) of the broadcast processing apparatus 2, and the audio data is output as audio to the receiver 19 (speaker) of the broadcast processing apparatus 2.
- the execution unit 14 of the broadcast processing apparatus 2 controls the tuner 18 until the viewing end instruction is given by the first user, and video data and audio data are output to the receiver 19 of the broadcast processing apparatus 2.
- the second user can use the broadcast processing device 3 to select the program “2” by the first method and record the broadcast data of the program “2” (step of FIG. 11).
- S2 Broadcast data reception processing
- the second user uses the input device of the broadcast processing device 2 to give a first method EPG display instruction.
- the execution unit 14 of the broadcast processing device 3 sends the EPG data 61 included in the EPG designation data 41 stored in the EPG database 17-3 to the receiver 19 of the broadcast processing device 3 in response to the first method EPG display instruction. Output.
- the EPG data 61 is displayed on the receiver 19 (display device) of the broadcast processing device 3.
- the second user views the EPG data 61 displayed on the receiver 19 of the broadcast processing device 3.
- a recording setting instruction for setting the program “2” to be recorded is issued.
- recording reservation information including a recording start date and time, a recording end date and time, and a program to be recorded is set in the execution unit 14 of the broadcast processing device 3 (recording setting process).
- the execution unit 14 of the broadcast processing device 3 controls the tuner 18 at the recording start date and time included in the recording reservation information. At this time, the tuner 18 of the broadcast processing device 3 receives the broadcast data of the program “2” by the first method transmitted from the server 6 via the antenna 4.
- the tuner 18 of the broadcast processing device 3 decodes the broadcast data of the program “2” received by the antenna 4 and converts it into video data and audio data.
- the video data and audio data are stored in a recording area (not shown) of the storage device 12 of the broadcast processing device 3.
- the execution unit 14 of the broadcast processing device 3 controls the tuner 18 until the recording end date and time included in the recording reservation information is reached, and the video data and audio data are stored in the recording area of the storage device 12 of the broadcast processing device 3. Stored.
- the second user can use the broadcast processing device 1 to select the program “3” of the specific channel by the first method and view the broadcast data of the program “3” ( Step S3 in Fig. 11; Specific channel broadcast data reception processing).
- step S3 first, the second user issues a first method EPG display instruction using the input device of the broadcast processing apparatus 1.
- the execution unit 14 of the broadcast processing device 1 sends the EPG data 61 included in the EPG designation data 41 stored in the EPG database 17-1 to the receiver 19 of the broadcast processing device 1.
- the EPG data 61 is displayed on the receiver 19 (display device) of the broadcast processing device 1.
- the second user browses the EPG data 61 displayed on the receiver 19 of the broadcast processing device 1 and uses the input device of the broadcast processing device 1 to select the program “3” of the specific channel to be viewed.
- the viewing instruction is given.
- the execution unit 14 of the broadcast processing device 1 controls the tuner 18 according to the viewing instruction.
- the tuner 18 of the broadcast processing device 1 receives the broadcast data of the program “3” of the specific channel by the first method transmitted from the server 6 via the antenna 4.
- the tuner 18 of the broadcast processing device 1 decodes the broadcast data of the program “3” of the specific channel by the first method received by the antenna 4, converts it into video data and audio data, and receives the receiver of the broadcast processing device 1. Output to 19.
- the video data is displayed on the receiver 19 (display device) of the broadcast processing apparatus 1, and the audio data is output as audio to the receiver 19 (speaker) of the broadcast processing apparatus 1.
- the execution unit 14 of the broadcast processing apparatus 1 controls the tuner 18, and video data and audio data are output to the receiver 19 of the broadcast processing apparatus 1.
- the server 6 transmits the EPG data 60 by the broadcast radio wave when the broadcast data of the program “3” of the specific channel by the first method is transmitted by the broadcast radio wave.
- the broadcast processing apparatus 1 executing the specific channel broadcast data reception process (step S3) receives the EPG data 60 transmitted from the server 6 by the tuner 18 via the antenna 4 so that the latest data is received.
- EPG data 60 can be acquired (step S4 in FIG. 11; EPG 'antenna reception processing).
- the tuner 18 of the broadcast processing apparatus 1 receives the EPG data 60 according to the first method transmitted from the server 6 via the antenna 4 (Fig. 12).
- Step Sl l The EPG control unit 15 of the broadcast processing device 1 recognizes that the EPG data 60 is EPG data according to the first method by the broadcast radio wave when the tuner 18 of the broadcast processing device 1 receives the EPG data 60. .
- the EPG control unit 15 of the broadcast processing device 1 refers to the EPG database 17-1 and uses the EPG data 60 received by the tuner 18 of the broadcast processing device 1 and the first method included in the EPG designation data 41.
- the EPG data 61 is compared (step S12 in FIG. 12).
- the number of times the server 6 transmits the EPG data 60 may be greater than the number of times that the server 6 updates the EPG data 60.
- the server 6 may transmit the EPG data 60 even if the EPG data 60 is not updated in a certain time zone.
- the EPG data 60 and the EPG data 61 match (step S13—YES in FIG. 12).
- the EPG control unit 15 of the broadcast processing device 1 associates the EPG data 61 included in the EPG designation data 41 with the reception date and time when the EPG data 60 is received by the tuner 18 as the first acquisition date and time 51.
- the EPG database 17-1 step S14 in FIG. 12
- the server 6 may transmit the EPG data 60 when the EPG data 60 is updated in a certain time zone.
- EPG data 60 and EPG data 61 do not match (step S13—NO in FIG. 12).
- the EPG control unit 15 of the broadcast processing device 1 generates reception EPG designation data 40 as shown in FIG.
- the received EPG designation data 40 is an identifier for identifying the first method as the reception date and time 50 when the EPG data 60 is received by the tuner 18 of the broadcast processing device 1, the EPG data 60, and the EPG data 60. Includes 70.
- the broadcast processing device 1 Based on the first method information stored in the method database 16-1, one of the specifications of the tuner 18 of the broadcast processing device 1 is the first method, so the broadcast processing device 1 can use the first method (Fig. 12 steps S16—YES).
- the EPG control unit 15 of the broadcast processing device 1 stores the received EPG designation data 40 in the EPG database 17-1 as the EPG designation data 41 (step S17 in FIG. 12). That is, the EPG specification data 41 itself is updated.
- the EPG control unit 15 of the broadcast processing apparatus 1 adds a header for transmitting the received EPG designation data 40 to the network 5 (step S18 in FIG. 12).
- the EPG control unit 15 of the broadcast processing device 1 transmits the received EPG designation data 40 to the network 5 (step S19 in FIG. 12).
- step S4 if the broadcast processing apparatus 1 cannot use the first method! (Step S16—NO in FIG. 12), the EPG control of the broadcast processing apparatus 1 is performed.
- the unit 15 executes Steps S18 and S19 without executing Step S17.
- step S19 when the EPG control unit 15 of the broadcast processing device 1 transmits the received EPG designation data 40 to the network 5, the transmission destination may be broadcast to the network 5 V. It may be sent to a multicast group address that can be received by. In addition, when the received EPG designation data 40 is transmitted to the network 5, the received EPG designation data 40 is not sent in bursts. May be. This can temporarily prevent the network 5 from becoming overloaded.
- the broadcast processing device 1 is transmitted from the server 6.
- the tuner 18 receives the EPG data 60 according to the first method via the antenna 4
- the latest EPG data 60 according to the first method is stored by storing the received EPG designation data 40 in the EPG database 17-1. Can be acquired.
- the user browses the latest EPG data 60 (EPG data 61) according to the first method using the broadcast processing device 1, and selects the program even when the program is added or changed.
- the broadcast data of the program can be viewed and recorded (recording reservation).
- the broadcast processing apparatus 1 can reflect the latest EPG data 60 according to the first method to the broadcast processing apparatuses 2 and 3 by transmitting the received EPG designation data 40 to the network 5.
- the server 6 may transmit the EPG data 60 even if the EPG data 60 is not updated in a certain time zone.
- the broadcast processing apparatus 1 has the contents of the EPG data 60 received by the tuner 18 and the EPG data 61 included in the EPG designation data 41. If they do not match, it is preferable to store the received EPG designation data 40 as the EPG designation data 41 in the EPG database 17-1, and transmit the reception EPG designation data 40 to the network 5.
- the broadcast processing apparatus 1 does not have to perform useless communication such as transmitting the received EPG designation data 40 including the EPG data 60 that has not been updated to the network 5, and power consumption due to communication is reduced. .
- the first user uses the broadcast processing device 2 to view the broadcast data of the program "1" by the first method.
- the broadcast processing device 2 executing the broadcast data reception process can obtain the latest EPG data 60 by the first method, for example (step S5 in FIG. 11; EPG. Network reception processing).
- the EPG control unit 15 of the broadcast processing device 2 receives the received EPG designation data 40 transmitted from the broadcast processing device 1 via the network 5 (FIG. 14). Step S21).
- the EPG control unit 15 of the broadcast processing device 2 recognizes that the EPG data 60 included in the received EPG designation data 40 is EPG data according to the first method by the identifier 70 included in the reception EPG designation data 40.
- the identifier 70 included in the received EPG designation data 40 is the broadcast data of the program of the first method for the EPG data 60 contained in the reception EPG designation data 40. Indicates the power that can be received.
- the EPG control unit 15 of the broadcast processing apparatus 2 refers to the method database 16-2 using the identifier 70 included in the received EPG designation data 40 to check whether or not the EPG data is usable (see FIG. 14). Step S22).
- the broadcast processing apparatus 2 can use the first method (step S23—YES in FIG. 14). That is, because one of the specifications of the tuner 18 of the broadcast processing device 2 is the first method, the identifier 70 included in the received EPG designation data 40 is the first one for the EPG data 60 included in the reception EPG designation data 40. This indicates that the tuner 18 of the broadcast processing device 2 can receive broadcast data of programs using the 1 system.
- the EPG control unit 15 of the broadcast processing device 2 refers to the EPG database 17-2 and compares the reception date / time 50 included in the received EPG specification data 40 with the acquisition date / time 51 included in the EPG specification data 41. (Step S24 in FIG. 14).
- step S24 the reception date / time included in the received EPG designation data 40 is newer than the acquisition date / time 51 included in the EPG designation data 41 (step S25—YES in FIG. 14).
- the EPG control unit 15 of the broadcast processing device 2 stores the received EPG designation data 40 in the EPG database 17-2 as the EPG designation data 41 (step S26 in FIG. 14). That is, the EPG designation data 41 itself is updated.
- the third method is not the specification of the tuner 18 of the broadcast processing device 2.
- the broadcast processing device 2 cannot use the third method (step S23—NO in FIG. 14). That is, the identifier 70 included in the received EPG designation data 40 indicates that the tuner 18 of the broadcast processing device 2 cannot receive the broadcast data of the program according to the third method for the EPG data 60 included in the reception EPG designation data 40. ing. In this case, the EPG control unit 15 of the broadcast processing device 2 discards the received EPG designation data 40 and ends the operation.
- step S 24 if the reception date / time 50 included in the reception EPG designation data 40 is not newer than the acquisition date / time 51 included in the EPG designation data 41 (step S 25 —NO in FIG. 14), the broadcast processing is performed.
- EPG control unit 15 of device 2 receives EPG designation data Discard 40 and finish its operation.
- the broadcast processing device 2 even when the user is watching the broadcast data of the program "1" according to the first method, for example, using the broadcast processing device 2, that is, the broadcast processing device. Even when the tuner 18 of the device 2 is in use, the broadcast processing device 2 receives the reception EPG designation data 40 transmitted from the broadcast processing device 1 via the network 5 and receives the reception EPG designation data 40. Is stored in the EPG database 17-2, the latest EPG data 60 by the first method can be obtained. As a result, the user browses the latest EPG data 60 (EPG data 61) according to the first method using the broadcast processing device 2 and selects the program even when the program is added or changed. The broadcast data of the program can be viewed and recorded (recording reservation).
- the broadcast processing devices 1 to 3 since the broadcast processing devices 1 to 3 always obtain the latest EPG data 60, for example, when the EPG data 60 is in the first method, The same EPG data 61 is always stored in the EPG databases 17-1, 17-2, 17-3. Therefore, when the broadcast processing device 2 receives the received EPG designation data 40 transmitted from the broadcast processing device 1, the EPG data 60 included in the reception EPG designation data 40, the EPG data 61 included in the EPG designation data 41, and The reception date / time 50 included in the EPG designation data 40 and the first acquisition date / time 51 included in the EPG data data 61 may be compared.
- the broadcast processing device 2 receives the received EPG designation data when the reception date and time 50 included in the reception EPG designation data 40 of the broadcast processing device 1 does not match the first acquisition date and time 51 contained in the EPG data 61. It is preferable to store 40 as EPG specification data 41 in the EPG database 17-2.
- the first method is a terrestrial analog method
- the second method is an S digital method
- the third method is a terrestrial digital method.
- the specifications of the tuner 18 of the broadcast processing device 1 are the terrestrial analog method, the BS digital method, and the terrestrial digital method
- the specifications of the tuner 18 of the broadcast processing device 2 are the terrestrial analog method and the BS digital method. It is assumed that the specification of tuner 18 of processing device 3 is the terrestrial analog method and the terrestrial digital method.
- Broadcast processor 1 receives EPG data 60 in terrestrial analog format from server 6 Then, the received EPG designation data 40 is transmitted to the network 5.
- the identifier 70 included in the received EPG designation data 40 is broadcast processing of the broadcast data for the EPG data 60 in the terrestrial analog method. This shows that the tuner 18 of the device 2 can receive. Therefore, the broadcast processing device 2 can use the EPG data 60 included in the reception EPG designation data 40 from the broadcast processing device 1, and the reception date and time 50 included in the reception EPG designation data 40 is the EPG designation data.
- the received EPG specified data 40 is EPG specified data 41 in the EPG database 17-2! / ⁇ .
- the tuner 18 of each broadcast processing apparatus has the same method, the latest EPG data 60 in the method can always be acquired.
- the second user uses the broadcast processing device 3 to record the broadcast data of the program “2” according to the first method.
- the broadcast processing device 3 that is executing the broadcast data reception process (step S2) can obtain the latest EPG data 60 by the first method, for example (step S6 in FIG. 11; EPG Network reception processing).
- the EPG / network reception process (step S6) is the same as the EPG / network reception process (step S5), and the effect thereof is also the same.
- the broadcast processor 2 is replaced with the broadcast processor 3
- the method database 16-2 is replaced with the method database 16-3
- the EPG database 17-2 is replaced with the EPG database 17-3
- the broadcast processor 3 is The above steps S31 to S36 can be executed.
- the second method is the specification of the tuner 18 of the broadcast processing device 2. Therefore, the broadcast processing apparatus 2 cannot use the second method (step S23—NO in FIG. 14). That is, the identifier 70 included in the received EPG designation data 40 represents that the tuner 18 of the broadcast processing device 3 cannot receive the broadcast data of the program according to the second method for the EPG data 60 included in the reception EPG designation data 40. ing. In this case, the EPG control unit 15 of the broadcast processing device 3 discards the received EPG designation data 40 and ends the operation. [0052] The operation of the broadcast processing system of the present invention will be described using a specific example. As shown in Fig. 15, time a, b, c, d, e, f, and g shall be passed in this order.
- the broadcast processing apparatuses 1 to 3 have acquired the latest EPG data 60.
- received EPG designation data 40 including the latest EPG data 60 is stored as EPG designation data 41 in the EPG databases 17-1, 17-2 and 17-3.
- description of the broadcast processing apparatus 3 is omitted.
- the first user uses the broadcast processing device 2 to browse the latest EPG data 60 (EPG data 61 included in the EPG data 41), for example, by the terrestrial analog method, and program Schedule recording of A (broadcast data).
- the broadcast processing device 2 executes the above-described recording setting process.
- the yarn 1A is a program broadcast from time f to time g.
- the first user uses the broadcast processing device 2 to view the broadcast data of the program B using, for example, the terrestrial analog broadcasting method.
- the broadcast processing device 2 executes broadcast data reception processing (step S2).
- Program B is not a specific channel program.
- the first user uses the broadcast processing device 2 to view the broadcast data of program B. Even in this case, the broadcast processing device 2 executes the broadcast data reception process (step S2).
- the broadcast processing apparatus 2 since the program B is not a program of a specific channel, the broadcast processing apparatus 2 is in a state where the latest EPG data 60 cannot be acquired from the server 6, for example.
- the first user uses the broadcast processing device 2 to view the broadcast data of program B. Even in this case, the broadcast processing device 2 executes the broadcast data reception process (step S2).
- the second user uses the broadcast processing apparatus 1 to view the broadcast data of the program of a specific channel using, for example, the terrestrial analysis method.
- the broadcast processing device 1 executes the specific channel broadcast data reception process (step S3) and the EPG ′ antenna reception process (step S4), and acquires the latest EPG data 60.
- the received EPG designation data 40 including the latest EPG data 60 is stored as EPG designation data 41 in the EPG database 17-1, and the received EPG designation data 40 is transmitted to the network 5.
- the broadcast processing device 2 stores the received EPG designation data 40 in the EPG database 17-2 when the reception EPG designation data 40 transmitted from the broadcast processing device 1 is received via the network 5. By doing so, the latest EPG data is obtained.
- the broadcast processing apparatus 2 executes the EPG 'network reception process (step S5), and the EPG database 17-2 includes the reception EPG designation data 40 including the latest EPG data 60 as the EPG designation data 41.
- the first user finishes viewing program B.
- the program C preferred by the first user is added and changed in the EPG data 60 updated at time d.
- the first user uses the broadcast processing device 2 to browse and add / change the latest EPG data 60 (EPG data 61 included in the EPG specification data 41) by the terrestrial analog method.
- Program C can be reserved for recording.
- the broadcast processing apparatuses 1 to 3 can always obtain the latest EPG data 60.
- the broadcast processing apparatus 1 stores the received EPG designation data 40 in the EPG database 17-1 when the tuner 18 receives the EPG data 60 transmitted from the servo 6 via the antenna 4.
- the latest EPG data 60 can be obtained.
- the broadcast processing device 2 receives the received EPG designation data 40 transmitted from the broadcast processing device 1 via the network 5.
- the latest EPG data 60 can be obtained by storing the EPG specified data 40 in the EPG database 17-2.
- the broadcast processing device 3 receives the received EPG designation data 40 transmitted from the broadcast processing device 1 via the network 5.
- the latest EPG data 60 can be obtained by storing the received EPG specification data 40 in the EPG database 17-3.
- the broadcast processing apparatuses 1 to 3 can always obtain the latest EPG data 60.
- the broadcast processing devices 1 to 3 can always obtain the latest EPG data 60.
- Second method smell Thus, the broadcast processing apparatuses 1 and 2 can always obtain the latest EPG data 60.
- the broadcast processing apparatuses 1 and 3 can always obtain the latest EPG data 60.
- the user can browse the latest EPG 60, select the program, and view (record) the broadcast data of the program even when the program is added or changed.
- the user can view and record broadcast data of a terrestrial program using the first video device.
- the tuner of the first video apparatus receives the broadcast data of the terrestrial program through the antenna.
- the user can view and record broadcast data of other programs in the terrestrial system.
- the first video device uses the tuner of the second video device via the network because the tuner of the first video device is full, that is, the tuner of the first video device is in use. To do.
- the first video device transmits a use request for using the tuner of the second video device to the second video device via the network.
- the tuner of the second video device receives broadcast data of other programs in the terrestrial system via the antenna and transmits it to the first video device via the network in response to a use request.
- the first video device when the broadcast data is replaced with EPG data, the first video device sends a use request to the second video via the network in order to obtain EPG data. Must be sent to the device.
- the first video device since the first video device cannot acquire EPG data unless it requests the second video device, the first video device and the second video device can be obtained. The device may not always be able to obtain the latest EPG data.
- the tuner receives EPG service information and EPG program information through the antenna as EPG data transmitted together with broadcast data.
- the tuner Creates EPG service list for receivable channels and converts EPG program information into EPG event list.
- the controller sends a read request for reading EPG data to the tuner via the bus.
- the tuner sends the EPG service list and EPG event list as EPG data to the controller via the nose.
- the controller needs to transmit a read request to the tuner via the bus in order to obtain EPG data. In this way, in the information processing apparatus described in the second conventional example, the controller cannot acquire EPG data unless requested by the tuner. Therefore, the tuner and the controller always acquire the latest EPG data. It may not be possible.
- a plurality of broadcast processing apparatuses can always acquire the latest EPG data 60.
- a plurality of broadcast processing apparatuses are provided at home, for example.
- the present invention is not limited to this, and may be provided at a company, an exhibition hall, or a stadium according to the purpose.
- the number of the plurality of broadcast processing apparatuses is three, but the number is not limited to this, and the number may be two or more.
- the specifications of the tuner 18 of the broadcast processing device 1 are the first method, the second method, and the third method
- the specifications of the tuner 18 of the broadcast processing device 2 are the first method and the second method
- the specifications of the tuner 18 of the broadcast processing device 3 are the first method and the third method.
- the present invention is not limited to this, and the present invention is implemented if the specifications of the tuner 18 of two or more broadcast processing devices have the same method. it can.
- the broadcast processing system of the present invention can always acquire the latest EPG data.
Abstract
Description
Claims
Priority Applications (4)
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EP05785925A EP1796390A4 (en) | 2004-09-24 | 2005-09-21 | AUSSTRAHLUNGS PROCESSING SYSTEM |
CA002582500A CA2582500A1 (en) | 2004-09-24 | 2005-09-21 | Broadcast processing system |
JP2006536384A JPWO2006033338A1 (ja) | 2004-09-24 | 2005-09-21 | 放送処理システム |
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JP2008289023A (ja) * | 2007-05-21 | 2008-11-27 | Hitachi Ltd | 放送受信装置 |
JP2011193410A (ja) * | 2010-03-17 | 2011-09-29 | Toshiba Corp | 放送受信装置 |
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EP2348727A4 (en) * | 2008-10-06 | 2012-12-05 | Sharp Kk | DIGITAL BROADCAST RECEIVER AND DIGITAL BROADCASTING PROCESS |
MX2011003524A (es) * | 2008-10-07 | 2011-05-02 | Sharp Kk | Receptor y metodo de recepcion de difusion digital. |
CN101420602B (zh) * | 2008-11-05 | 2010-12-08 | 中兴通讯股份有限公司 | 一种实现移动多媒体广播电子业务指南更新的方法及终端 |
WO2016059681A1 (ja) * | 2014-10-15 | 2016-04-21 | 日立マクセル株式会社 | 放送受信装置および放送受信方法ならびに放送受信プログラム |
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- 2005-09-21 WO PCT/JP2005/017348 patent/WO2006033338A1/ja active Application Filing
- 2005-09-21 CA CA002582500A patent/CA2582500A1/en not_active Abandoned
- 2005-09-21 JP JP2006536384A patent/JPWO2006033338A1/ja active Pending
- 2005-09-21 US US11/663,728 patent/US20080040744A1/en not_active Abandoned
- 2005-09-21 EP EP05785925A patent/EP1796390A4/en not_active Withdrawn
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US20020001042A1 (en) | 1997-07-18 | 2002-01-03 | Sony Corporation | Control device, control method, electric apparatus, control method of an electric apparatus, electric apparatus system, control method of an electric apparatus system, and transmission medium |
WO1999063752A1 (fr) * | 1998-05-29 | 1999-12-09 | Sony Corporation | Dispositif de traitement des donnees, methode afferente et support correspondant |
JP2001211401A (ja) * | 2000-01-28 | 2001-08-03 | Fujitsu Ten Ltd | デジタル放送受信機およびメール端末装置 |
JP2002262188A (ja) * | 2001-02-28 | 2002-09-13 | Sony Corp | 携帯型情報端末装置および情報処理方法、プログラム格納媒体、並びにプログラム |
JP2003153154A (ja) * | 2001-11-08 | 2003-05-23 | Victor Co Of Japan Ltd | 放送番組の記録方法、放送番組記録装置、及び放送番組記録用プログラム |
JP2004064478A (ja) * | 2002-07-30 | 2004-02-26 | Sony Corp | 放送受信装置、チューナ制御方法 |
JP2004158969A (ja) * | 2002-11-05 | 2004-06-03 | Nec Corp | 映像システム、映像装置、プログラム |
Non-Patent Citations (1)
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008289023A (ja) * | 2007-05-21 | 2008-11-27 | Hitachi Ltd | 放送受信装置 |
JP2011193410A (ja) * | 2010-03-17 | 2011-09-29 | Toshiba Corp | 放送受信装置 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2006033338A1 (ja) | 2008-05-15 |
US20080040744A1 (en) | 2008-02-14 |
EP1796390A1 (en) | 2007-06-13 |
EP1796390A4 (en) | 2011-11-30 |
CA2582500A1 (en) | 2006-03-30 |
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