JP2005033764A - Receiver and receiving method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a receiver and receiving method for receiving broadcast data and network data. <P>SOLUTION: The present invention comprises a broadcast data processing apparatus 2 for acquiring broadcast data, a network data processing apparatus 3 for acquiring network data, a network data acquisition means 5b for acquiring network data which can be presented on a display device, from a content providing server via the network data processing apparatus 3, and a video processing means 7 for synthesizing video data which are acquired in the broadcast data processing apparatus, with the network data which can be presented on the display device, for presentation on the display device on the basis of the network data which are acquired by the network data acquisition means 5b and can be presented on the display device. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a receiver and a receiving method for receiving broadcast data and network data.

  Recently, digital television broadcasting has become widespread. In digital television broadcasts, terrestrial or satellite waves are used to distribute broadcasts to televisions at home using digital data, and the digital data is received by a receiver built in the television, decoded, and displayed on the television. To display. The digital data distributed here includes video data described in MPEG and data broadcast data described in BML (Broadcast Markup Language).

  Here, BML is a page description language for data broadcasting based on XML (eXtensible Markup Language) established by ARIB (Association of Radio Industries and Businesses). As a feature of broadcasting using BML digital data, interactivity and linking to the Internet are possible.

  On the other hand, many services and contents are provided using a communication network such as the Internet, and the communication network penetration rate of each home is remarkable. On the Internet, as is well known, it is described in HTML (Hyper Text Markup Language) which is a markup language for describing a web page.

  Based on these circumstances, televisions that can browse the Internet are also commercially available.

For example, there is one that allows the Internet to be browsed on a television set and broadcasts a program and a symbol that is displayed in a multi-tatami manner on the program with a predetermined symbol (for example, Patent Document 1).
JP 2002-199375 A

  However, in Patent Document 1 described above, content to be displayed in a multi-tatami manner on a program provided by a broadcasting station is selected in advance. As a result, the content displayed in multiple tatami mats is uniformly distributed to all users as “broadcast”, and is often information specialized for a program. Therefore, it is difficult for the user to select the desired content from many programs, and it is very difficult for the user to acquire information depending on the user's area such as weather information and operation information. It was.

  In addition, when displaying data described in BML, a BML browser is required, and when displaying data described in HTML, an HTML browser is required. BML browser and HTML browser are not compatible, and it is not possible to view both the data described in BML and the data described in HTML on a single TV. For example, when acquiring regional information via the Internet The BML browser must be terminated and a new HTML browser must be started.

  As described above, when acquiring the desired content, the user has to select from information provided by the broadcasting station, or stop browsing the broadcast and acquire the information via the Internet. Despite the fact that one feature of digital television is that video data and content are presented on a single screen, the conventional method therefore allows video data and any content desired by the user to be displayed on a single screen. Could not be viewed.

  Accordingly, an object of the present invention is to provide a receiver and a receiving method for receiving broadcast data and network data.

  In order to solve the above problems, the present invention provides a receiver for receiving broadcast data transmitted from a broadcasting station, receiving network data from a content providing server via a communication network, and presenting the data on a display device. A broadcast data processing device for acquiring data, a network data processing device for acquiring network data, a network data acquisition means for acquiring network data that can be presented to the display device from the content providing server via the network data processing device, Based on the network data that can be presented to the display device acquired by the network data acquisition means, the network data that can be presented to the display device is combined with the video data related to the video out of the broadcast data acquired by the broadcast data processing device and displayed. Video processing to be presented to the device And a stage.

  Thus, according to the present invention, it is possible to acquire both broadcast data and network data arbitrarily selected by the user.

  Preferably, the network data acquisition means requests the content providing server to acquire network data, and requests and acquires data that can be presented from the content providing server to the display device in response to a response from the content providing server.

  In this case, since acquisition of data is requested and presented from the receiver, different data for each user can be acquired according to the user's request, so that the interactivity can be further improved.

  Further, the apparatus further comprises user data control means for storing network data attributes, and the network data acquisition means acquires network data from the content providing server based on the network data attributes stored by the user data control means. It is preferable to request and acquire data that can be presented from the content providing server to the display device in response to a request from the content providing server.

  In this case, by storing the attributes of the network data to be acquired, it is possible to register information that the user wants periodically, for example, transportation operation information, bus position information, weather forecast, and the like.

  In addition, it further comprises user data control means for storing network data attributes, and the network data acquisition means requests acquisition of the presence or absence of network data stored in the user data control means, and if there is network data, content It is preferable to request and acquire network data that can be presented to the display device from the providing server.

  In this case, since the presence / absence of network data is acquired and then network data that can be presented to the display device is requested and acquired, network traffic can be reduced.

  The network data acquisition means further includes user data control means for storing network data attributes acquired by the network data acquisition means and network data conditions to be presented on the display device. The network data acquisition means is user data control means. If the content providing server is requested to acquire network data based on the attribute of the stored network data, and the network data matches the condition of the network data presented on the display device stored in the user data control means, the display device It is preferable to request and obtain network data that can be presented to the network.

  In this case, it is possible to compare the acquired information and determine whether to present the information at the receiver.

  The content providing server is a server for providing transportation operation information, and further includes user data control means for storing at least one operation information attribute of the route, direction, or station of the transportation facility. In the network data acquisition means, the content providing server is requested to acquire the presence or absence of operation information that matches the attribute of the operation information acquired, and if there is compatible operation information, the operation that can be presented from the content providing server to the display device It is preferable to request and obtain information data.

  In this case, the information desired by the user can be provided by registering the route, the direction, and the station of the transportation according to the user's living area.

  In addition, the user data control means may send operation information to one or more content providing servers at any one of the date when the network data is inquired to the content providing server, the time zone for inquiring, and the time interval for inquiring. It is preferable that conditions for requesting acquisition are further stored, and the network data acquisition means requests the content providing server to acquire the presence or absence of operation information according to the conditions for requesting acquisition of operation information.

  In this case, the conditions of the operation information to be acquired can be set according to the user's life. For example, when the user is a worker who goes to work in the morning, the operation information of the transportation facility used for commuting on weekday morning is checked.

  Further, the user data control means further stores conditions to be presented on the display device, and the network data acquisition means may request the content providing server to obtain the presence or absence of operation information in accordance with the conditions to be presented on the display device. preferable.

  In this case, for example, when there is no operation information, it is possible not to present it on the screen, so that the user's browsing of the broadcast data is not disturbed.

  The present invention obtains broadcast data by broadcast data processing means in a receiving method for receiving broadcast data transmitted from a broadcast station, receiving network data from a content providing server via a communication network, and presenting the data on a display device. A step of acquiring network data by the network data processing means, a step of acquiring network data that can be presented to the display device from the content providing server via the network data processing device by the network data acquiring means, and a video processing Based on the network data that can be presented to the display device acquired by the network data acquisition means, the network data that can be presented to the display device is converted to the video data of the broadcast data acquired by the broadcast data processing device. Data synthesized by the and a step of presenting a display device.

  Further, in the step of acquiring network data that can be presented to the display device by the network data acquisition means, the content providing server is requested to acquire network data, and in response to a response from the content providing server, the content providing server sends it to the display device. It is preferable to request and obtain data that can be presented.

  The user data control means further comprises the step of storing the attributes of the network data, and the network data acquisition means acquires the network data that can be presented to the display device, and the acquisition stored by the user data control means. It is preferable to request acquisition of network data from the content providing server based on the attribute of the network data to be requested, and to request and acquire data that can be presented from the content providing server to the display device in response to a response from the content providing server. .

  Further, the method further comprises the step of storing the attribute of the network data by the user data control means, and the step of acquiring the network data that can be presented to the display device by the network data acquisition means is the network stored by the user data control means. When the acquisition of the presence / absence of data is requested and there is network data, it is preferable to request and acquire network data that can be presented to the display device from the content providing server.

  The user data control means further comprises the step of storing the attribute of the network data acquired by the network data acquisition means and the condition of the network data presented on the display device, and the network data acquisition means stores the attribute in the display device. The step of acquiring presentable network data requests the content providing server to acquire network data based on the attribute of the network data stored in the user data control means, and the network data is stored in the user data control means. It is preferable to request and obtain network data that can be presented to the display device when the conditions of the network data presented to the display device match.

  The content providing server is a server that provides transportation operation information, and further includes a step of storing at least one operation information attribute of transportation route, direction, or station by the user data control means. In the step of acquiring network data that can be provided to the display device by the network data acquisition means, the content providing server is requested to acquire the presence or absence of operation information that matches the attribute of the operation information acquired, and the operation information that is compatible If there is, it is preferable to request and obtain operation information data that can be presented to the display device from the content providing server.

  In addition, the step of storing by the user data control means includes: one or more content providing servers of any one of a date when the network data is inquired to the content providing server, a time zone when the inquiry is made, and a time interval when the inquiry is made In the step of requesting and acquiring network data that can be presented to the display device by the network data acquisition means, the content providing server according to the condition requesting acquisition of the operation information Is requested to obtain the presence or absence of operation information, and when there is suitable operation information, it is preferable to request and acquire operation information data that can be presented to the display device from the content providing server.

  The user data control means further stores conditions to be presented on the display device, and in the step of requesting and obtaining network data that can be presented to the display device by the network data obtaining means, according to the conditions presented on the display device, It is preferable to request acquisition of presence / absence of operation information from the content providing server.

  ADVANTAGE OF THE INVENTION According to this invention, the receiver and receiving method which receive broadcast data and network data can be provided.

  Next, embodiments of the present invention will be described with reference to the drawings. In the following description of the drawings, the same or similar parts are denoted by the same or similar reference numerals.

(First embodiment)
First, the receiver 1 according to the embodiment of the present invention will be described.

  The receiver 1 according to the embodiment of the present invention is built in, for example, a digital television 11 as shown in FIG. The digital television 11 provided with the receiver according to the embodiment of the present invention receives broadcast data from the broadcast data transmitter 30 provided in the broadcasting station through the radio tower 30a. Multimedia contents such as characters, graphics, still images, images, and sounds constituting the broadcast are temporarily stored in the receiver 1 and viewed.

  The broadcast data received here employs BML as the data description language and MPEG2 as the moving image compression technique. The BML can perform composite display of images, linkage with EPG (Electronic Program Guide) information, bidirectional communication, and the like.

  The multimedia content that constitutes the broadcast transmitted from the broadcast data transmitter 30 is divided into data carousel format (maximum of 254 MB file) divided into “blocks” of about 4 kB. Since a carousel, that is, a system in which a signal configured by looping like a carousel is transmitted by a packet) is adopted, the signal is repeatedly broadcast. Thus, the broadcast data signal can be taken in whenever the receiver views the broadcast.

  On the other hand, the digital television 11 is connected to a server on the communication network, that is, the content providing server 20 and the railway company server 40 via the receiver 1 and the communication network 50, and can communicate with each other. Here, the communication network 50 refers to the Internet, personal computer communication, and the like, and the railway company server 40 and the content providing server 20 can be connected to the communication network 50 via a LAN card, a modem, a TA, or the like.

  That is, the content providing server 20 is a server that provides content to the digital television 11 via the communication network 50, and examples of the content include operation information provided from the railway company server 40 operated by the railway company. The content providing server 20 provides the content to be provided in a format that can be presented on the digital television 11.

  As can be seen from FIG. 2, the receiver 1 according to the embodiment of the present invention includes broadcast data transmitted from the broadcast data transmitter 30 and network data transmitted from the content providing server 20 via the communication network 50. And the broadcast data and the network data can be presented to the display device which is the presentation unit of the digital television 11.

  The receiver 1 according to the embodiment of the present invention causes the display device to present data received in a screen layout as shown in FIG. That is, the display unit 101 of the display device includes a broadcast data presentation unit 102 that presents broadcast data transmitted from the broadcast data transmitter 30 and a network data presentation unit 103 that presents network data transmitted from the content providing server 20. I have. The broadcast data presentation unit 102 and the network data presentation unit 103 may have any shape. Preferably, since the ratio of the vertical and horizontal sizes of the broadcast data is determined in advance, the size obtained by reducing the vertical and horizontal sizes at the same magnification is used as the broadcast data presenting unit 102, and the presenting unit 101 to the broadcast data presenting unit A portion excluding 102 is a network data presentation unit 103. In FIG. 3, the network data presentation unit 103 is arranged at the lower right corner, but it may be at the upper left or the lower right.

  As shown in FIG. 1, the receiver 1 according to the first embodiment of the present invention includes a broadcast data processing device 2, a network data processing device 3, a storage device 4, a control means 5, an audio processing means 6, and video processing. Means 7, a clock device 8, and an input interface device 9 are provided. These can be transmitted and received with each other via the bus 10.

  In the first embodiment of the present invention, a case where the receiver 1 acquires operation information from the content providing server 20 will be described.

The broadcast data processing device 2 is a device that acquires broadcast data from the broadcast data transmitter 30. Further, the broadcast data processing device 2 demodulates the broadcast data, decodes the MPEG data,
The video data is output to the video processing means 7, the audio data is output to the audio processing means 6, and the data for data broadcasting is output to the broadcast BML control means 5 d in the control means 5.

  The network data processing device 3 is a device that acquires network data from the content providing server 20 via the communication network 50. Specifically, a LAN card, a modem, etc. correspond. The data processed by the network data processing device 3 is preferably described in BML, but may be described in HTML. When described in BML, broadcast data and network data can be combined and presented on a single display screen as described later.

  The storage device 4 is a storage device that stores data used by the receiver 1, a program, a temporary file used by the program, and the like. The implementation means may be a cookie managed by the browser or another area managed by the program of the receiver.

  The storage device 4 is a user data storage device 4a that stores the attribute of the network data as data used by the receiver 1, and a BML that temporarily stores BML information received from the broadcast data processing device 2 and the network data processing device 3. An information storage device 4b is provided. The BML information storage device 4b may store BML information stored in advance in the digital television 11, for example, for registering user data.

  An example of the data structure and data of the user data storage device 4a will be described with reference to FIG.

  The user data storage device 4a includes at least one item of network data attribute of a route, direction, or station of transportation, a date for inquiring the network data to the content providing server 20, and a time period for inquiring. , Including one or more time intervals for making inquiries, a condition item for requesting the content providing server 20 to obtain operation information, and a condition item presented on the display device of the digital television 11. Yes.

  By specifying the route, direction, station, etc. of the transportation facility, the attribute of the operation information acquired by the receiver 1 is determined. Thereby, the operation information specified for the area used by the user can be acquired. Also, conditions for requesting acquisition such as date, inquiry time zone, and time interval for transmitting the inquiry are determined. In this case, the “day” may be a date, a day of the week, or a month. That is, by specifying “request every 5 minutes between 6:00 and 9:00 on weekdays”, operation information can be acquired only in a time zone according to the life cycle of the user. Furthermore, by setting items such as “always display” and “display only when there is operation information”, it is possible to specify operation information to be presented as the user needs. Furthermore, the delay time may be input in the display conditions such as “display only when delayed by 5 minutes or more”.

  The user data storage device 4a may store information related to the position where the network data is presented and its size.

  The control means 5 includes user data control means 5a, network data acquisition means 5b, network BML information control means 5c, broadcast BML information control means 5d, and BML information processing means 5e.

  The user data control means 5a is means for loading BML information for setting user data stored in the BML information storage device 4b, causing the user to set user data, and storing the user data in the user data storage device 4a.

  The network data acquisition means 5b is means for requesting operation information from the content providing server 20 via the network data processing device 3 in accordance with conditions for requesting acquisition of operation information stored in the user data storage device 4a. Further, data that can be presented to the display device is acquired from the content providing server 20. When presenting on the digital television 11, BML information (network data that can be presented on the display device) is also acquired. The time zone and frequency of transmitting the inquiry are in accordance with conditions for requesting acquisition of the user data storage device 4a. There are three ways of acquiring network data by the network data acquiring means 5b as follows.

(1) The network data acquisition means 5b acquires BML information that presents operation information that matches the attribute of the operation information stored in the user data storage device 4a. In this case, it is suitable when the operation information is always presented on the digital television 11, that is, when the display condition is “always display”.

(2) The network data acquisition means 5b inquires about the presence or absence of operation information that matches the attribute of the operation information stored in the user data storage device 4a, and acquires BML information when there is operation information. In this case, it is suitable when the display condition is “display only when there is operation information”. That is, since the BML information is acquired only when there is operation information, the load on the communication network 50 and the content providing server 20 can be reduced. Here, when inquiring about the presence or absence of operation information, it transmits with the arbitrary protocols between the content provision server 20 and the receiver 1. FIG.

(3) The network data acquisition means 5b inquires about the presence or absence of operation information that matches the attribute of the operation information stored in the user data storage device 4a and the conditions presented on the display device. Get information. In this case, it is suitable when the display condition is “display only when the operation information is delayed for 5 minutes or more”, for example.

(4) When the network data acquisition means 5b acquires operation information that matches the operation information stored in the user data storage device 4a, compares the acquired delay time with the display condition, and matches the display condition, Get BML information. In this case, since the display condition is suitable, for example, “display only when the operation information is delayed by 5 minutes or more”, and the receiver 1 determines whether to display or not, the content providing server 20 loads can be reduced.

  The BML information, which is network data acquired by the network data acquisition means 5b, is information necessary for presentation to the network data presentation unit 103 shown in FIG. 3, and information such as information to be presented and the shape of the network data presentation unit 103 is included. include. Further, a transparent screen is assigned to the broadcast data presentation unit 102 so that broadcast data can be synthesized.

  The network BML information control means 5c is means for temporarily storing BML information, which is network data acquired by the network data processing device 3, in the BML information storage device 4b.

  The broadcast BML information control means 5d is means for designating a broadcast channel to be presented to the broadcast data transmitter 30 according to a user instruction and temporarily storing the broadcast BML information received by the broadcast data processing device 2 in the BML information storage device 4b. .

  The BML information processing means 5e reads out and loads the BML information of the network data and the broadcast data stored in the BML information storage device 4b, creates a network data plane and a broadcast data plane to be displayed on the display device, respectively, and a video processing means 7 is a means for outputting to.

  Based on the network data (BML information) that can be presented to the display device acquired by the network data acquisition means 5b, the video processing means 7 acquires and decodes the network data that can be presented to the display device in the broadcast data processing device 2. The video data relating to the video in the broadcast data is combined and presented on the display device.

  Specifically, the video processing unit 7 includes a network data plane conversion unit 7a, a video data plane conversion unit 7b, and a blending processing unit 7c.

  The network data plane conversion unit 7a is a unit that converts the network data plane created by the BML information processing unit 5e so as to be compatible with the display device.

  The video data plane conversion means 7b is a means for converting the video data into a certain size.

  The blending processing unit 7c combines the network data plane converted by the network data plane conversion unit 7a and the video data plane converted by the video data plane conversion unit 7b as shown in FIG. 3, and presents it on the display device. It is.

  The audio processing means 6 is means for outputting the audio information included in the BML information acquired from the broadcast data processing device 2 and the network data processing device 3 via an amplifier, a speaker, or the like.

  The clock device 8 is a device including a clock function for managing a time zone and a time interval for transmitting a request to the content providing server 20.

  The input interface device 9 is means for receiving data input by a user via a remote controller or the like and setting the data to the control means 5 via the bus 10 when setting user data or changing a broadcast channel.

  With reference to FIG. 5, a functional block diagram of the content providing server 20 according to the first embodiment of the present invention will be described.

  The railway company server 40 according to the first embodiment of the present invention includes an operation information storage device 21, a BML information storage device 22, an operation information acquisition unit 23, a BML information generation unit 24, an operation information provision unit 25, and a communication control unit. 31, an input device 32, a display device 33, and an input / output control device 34. The railway company server 40 is realized by installing a software program for performing a predetermined process in a general computer.

  The operation information acquisition means 23 is means for acquiring operation information from the railway company server 40 and storing it in the operation information storage device 21. The operation information acquisition means 23 may acquire operation information by transmitting a request for operation information to the railway company server 40 at predetermined time intervals, or may receive operation information transmitted from the railway company server 40 at any time. . The BML information generation unit 24 is a unit that creates BML information based on the operation information stored in the operation information storage device 21 and stores the BML information in the BML information storage device 22. The BML information generated here may be created according to attributes, such as for each route or for each station, or may be dynamically created according to a request from the user.

  The operation information providing means 25 refers to the operation information storage device 21 and the BML information storage device 22 in response to a request from the receiver 1, and transmits the presence / absence of operation information, BML information including operation information, and the like. It is.

  The communication control means 31 is a device that communicates with the receiver 1 and the railway company server 40 via the communication network 50, and includes, for example, a LAN card, a LAN board, a modem, a TA, and the like. The input device 32 is a device that inputs data to the content providing server 20, such as a keyboard and a mouse. The display device 33 is a device that displays output from the content providing server 20, and includes a liquid crystal display, a CRT display, and the like. It is. The input / output control device 34 controls the input / output of each of the communication control means 31, the input device 32, and the display device 33, and mediates between the operation information acquisition means 23, the BML information generation means 24, and the operation information provision means 25. It is a device to do.

  Here, a hardware configuration example of the receiver 1 will be described with reference to FIG. The receiver 1 includes a demodulation unit 501, a main processing unit 502, an external device connection unit 503, and a data storage unit 504.

  The demodulator 501 demodulates the antenna input signal received by the antenna, generates a transport stream, and inputs the transport stream to the main processor 502. On the other hand, in the external device connection unit 503, an input signal input via an interface with an external device such as the Ethernet (registered trademark) control unit 511, the IEEE 1394 control unit 512, or the card control unit 513 is input to the main processing unit 502. . The main processing unit 502 generates audio data and video graphic data based on the input signal units input from the demodulation unit 501 and the external device connection unit 503.

The main processing unit 502 includes a transport stream processing unit 505, a RAM control unit 506, an MPEG video audio decoder 507, a video graphic processing unit 508, a host CPU 509, and an external bus control unit 510.
The host CPU 509 is a means for controlling each processing unit in the main processing unit 502 and processing units such as the external device connection unit 503.
The transport stream processing unit 505 receives the transport stream received from the demodulation unit 501 and performs demultiplex processing on the received transport stream, thereby performing video data, audio data, and digital television data broadcasting. The BML data to be transmitted is extracted. The extracted video data and audio data are input to the MPEG video audio decoder 507. The video data and audio data input to the MPEG video audio decoder 507 are decoded. The decoded video data is input to the video graphic processing unit 508, and the audio data is input to the audio DAC 519, and an audio output signal is generated and output by the audio DAC 518.

  On the other hand, since the digital broadcast data extracted by the transport stream processing unit 505 is transmitted by a data carousel, the data is restored once by being transmitted to the SDRAM 517 via the RAM control unit 506 and then to the video graphic processing unit 508. Entered.

  The video graphic processing unit 508 generates a video data plane and a broadcast data plane for the video data input from the MPEG video audio decoder 507 and the BML data input from the transport stream processing unit 505, and these data are generated. A blending process is performed on the plane to generate and output a digital video output signal. At this time, video data is displayed on the BML browser based on the digital video output signal.

  When user-specific data is input on the BML browser, the input user-specific data is securely stored in the flash memory 515, SDRAM 517, and the like. The BML browser reads user-specific data via the flash memory 515 and the SDRAM 517, and the content providing server 20 based on the user-specific data from the Ethernet (registered trademark) control unit 511 of the external device connection unit 503 via the Internet. Request network data from. Correspondingly, the BML browser acquires network data required by the user from the content providing server 20 by HTTP communication based on the user-specific information. The acquired network data is stored in the SDRAM 517 by the host CPU 509, and further input to the video graphic processing unit 508, blended with the video data, and displayed on the BML browser.

  The broadcast data processing means 2 shown in FIG. 1 corresponds to the demodulation unit 501 and the transport stream processing unit 505 shown in FIG. The control unit 5 is a unit realized by the host CPU 509. The audio processing means 6 corresponds to the MPEG video audio decoder 507, and the video processing means 7 corresponds to the video graphic processing unit 508. The network data processing device 3 corresponds to the Ethernet (registered trademark) control unit 511. The storage device 4 corresponds to the flash memory 515 and the SDRAM 517.

  In addition, the hardware configuration of the receiver 1 illustrated in FIG. 6 is merely an example, and other configurations may be provided as long as similar processing can be performed.

  Processing for registering user data by the user data control means 5a will be described with reference to FIG.

  First, in step S101, user data registration BML information stored in the BML information storage device 4b is loaded. The user data registration BML information may be stored in advance or may be downloaded from the content providing server 20 in response to a user request.

  Next, in step S102, a format for displaying operation information is set according to the information presented by the user data registration BML information. Here, for example, the position of the network data presentation unit 103 shown in FIG. 3 is set. Furthermore, conditions for acquiring operation information are set in step S103. Here, the attribute of the network data of any one or more of the route, the direction, and the station of transportation, the date when the network data is inquired to the content providing server 20, the time zone when the inquiry is made, and the inquiry The item of the condition which requests | requires acquisition of operation information to the content provision server 20, the item of the condition shown on the display apparatus of the digital television 11, etc. of any one or more of the time intervals to perform is memorize | stored.

  Finally, in step S104, the set information is stored in the user data storage device 4a.

  With reference to FIG. 8, a process of acquiring network data by the network data acquiring unit 5b will be described. Here, a case will be described in which the content providing server 20 is inquired about the presence or absence of operation information, and when there is operation information, BML information including operation information is received.

  First, in step S201, the user data storage device 4a is referred to acquire conditions for acquiring operation information. Here, the current time is acquired from the timepiece device 8 in step S202.

  In step S203, if the current time is the time for acquiring operation information, an operation information inquiry request is transmitted to the content providing server 20 in step S204. Here, the “time when the operation information is acquired” is a day of the week and a time zone when the operation information is acquired, and is a time when the interval time has elapsed from the time when the previous request was transmitted. On the other hand, if the current time is not the time for acquiring the operation information, the process waits in step S202 until the time for acquiring the operation information is reached.

  Correspondingly, when the result is transmitted from the content providing server 20 in step S205, if there is no operation information, the process returns to step S202 and waits until it is time to acquire the operation information again. On the other hand, when there is operation information in step S205, a BML information acquisition request is transmitted to the content providing server 20 in step S206.

  Correspondingly, when BML information including operation information is received from the content providing server 20 in step S207, in step S208, the BML information processing means 5e is loaded with the BML information to generate a network data plane, and in step S209. The information is presented to the display device via the video processing means 7.

  Further, in step S210, information is acquired as needed from the content providing server 20, and the information is presented to the video processing means 7. The information acquired here may be BML information obtained as a result of transmitting the operation information inquiry request, or may be only the text in the telop displayed as a telop on the display screen, for example.

  Here, the processing of step S209 and step S210 is continued until the end instruction is issued from the user in step S211, or until the day of the week or the time zone when the operation information is acquired, and the processing ends.

  With reference to FIG. 9, the process of presenting the acquired BML information will be described.

  First, the BML information acquired from the network data processing device 3 in step S301 is read from the BML information storage device 4b and loaded by the BML information processing means 5e. In step S302, a network data plane is generated in accordance with the BML information loaded by the BML information processing unit 5e, output to the video processing unit 7, and converted so as to be compatible with the display device.

  On the other hand, in step S <b> 303, the video data acquired from the broadcast data processing device 2 is converted into a size suitable for the broadcast data presentation unit 102 by the video processing means 7.

  Finally, the blending processing unit 7c combines the network data plane obtained in step S302 and the video data plane obtained in step S304.

  With reference to FIG. 10, the process of the operation information provision means 25 of the content provision server 20 is demonstrated.

  First, in response to step S204 in FIG. 8, an operation information inquiry request is received from the receiver 1 in step S401, and the corresponding operation information is acquired with reference to the operation information storage device 21 in step S402, step S403. The presence or absence of operation information is transmitted at.

  Next, in response to step S206 in FIG. 8, when a BML information acquisition request is received from the receiver 1 in step S404, the corresponding BML information is acquired in step S405 with reference to the BML information storage device 22, In step S406, BML information is transmitted.

  Further, in response to step S210 of FIG. 8, when a data acquisition request is received from the receiver 1 in step S407, the corresponding data is acquired with reference to the operation information storage device 21 and the BML information storage device 22 in step S408. In step S409, the data is transmitted to the receiver 1.

  With reference to FIGS. 11 to 13, an example of a screen for presenting data received by the receiver 1 according to the first embodiment of the present invention will be described.

  FIG. 11 is an example of a screen in the case where operation information is presented while presenting broadcast data. Arbitrary broadcast data received from the broadcast data processing device 2 is presented to the broadcast data presentation unit 102 of the presentation unit 101.

  The network data presentation unit 103 includes a telop unit 110, an operation information group display unit 120, and an operation button unit 130. Detailed operation information flows as telops in the telop section. The information presented here is preferably received from the content providing server 20 as needed.

  The operation information group display unit 120 includes first to fifth operation information presentation units 120a to 120e. The operation information presentation unit is divided for each area such as “Metropolitan area conventional line”, “Tohoku conventional line”, and the area to be displayed can be set by the user. Here, for example, when there is operation information on the “Metropolitan area conventional line”, the background of the first operation information presentation unit 120a is changed to another background to notify the user that there is operation information.

  The operation button unit 130 includes a caption setting button B131 that sets the operation information group display unit 120, a timetable button B132 that presents a timetable, a transfer button B133 that causes the content providing server 20 to search for a transfer, and a usage registration that pays a content usage fee. Button B134 is provided.

  FIG. 12 is a screen for presenting the details of the operation information of the “Tohoku conventional line” to the operation information detail presentation unit 125 when the second operation information presentation unit 120b is clicked on the screen of FIG. The operation information detail presentation unit 125 is displayed so as to overlap the broadcast data presentation unit 102 and presents detailed information such as the date and time of occurrence, the route, and the reason.

  FIG. 13 is a screen for allowing the user to set a subtitle in the subtitle setting presentation unit 126 when the subtitle setting button B131 is clicked. The caption setting presentation unit 126 can be set to display / not display for each area.

  In the screens of FIGS. 11 to 13, the case where the presence / absence of operation information is displayed for each area has been described. However, the presence / absence of operation information for each route, direction, and station as shown in FIG. 4 may be displayed. It is also possible to set details such as the inquiry time period, interval, and display condition.

  According to the first embodiment of the present invention, content set by a user can be presented while viewing broadcast data transmitted from a broadcast station.

  In addition, since the content set by the user is acquired via the communication network 50, it is easy to adapt to the detailed requirements of the user, and the interactivity, which is one of the characteristics of the digital television, can be used effectively.

  Furthermore, since the conditions for display can be specified, it is possible to normally browse only broadcast data and acquire information to be acquired without leaking.

  In addition, by storing a plurality of records in user data, for example, on a television shared by a family, an individual can set data.

(Second Embodiment)
In the second embodiment of the present invention, a case where the receiver 1 receives bus position information by the content providing server 20 will be described.

  FIG. 14 shows an example of the data structure and data of the user data stored in the user data storage device 4a in the functional block diagram of the receiver shown in FIG.

  Attributes of network data to be acquired from one or more of the bus system, direction, and nearest bus stop, the date to make an inquiry to the content providing server 20, the time zone to make an inquiry, and the time interval to make an inquiry Any one or more of the above items includes a condition item for requesting the content providing server 20 to acquire bus position information and a condition item presented on the display device of the digital television 11. In the second embodiment, the display condition is preferably “display when arriving before 2 stops” or the like.

  With reference to FIG. 15, a process for acquiring network data by the network data acquiring unit 5 b will be described. Here, a description will be given of a case where bus information is acquired on a day of the week and a time zone that meet conditions for requesting acquisition of bus position information stored in the user data storage device 4a.

  First, in step S501, referring to the user data storage device 4a, a condition for acquiring bus position information is acquired. Here, the current time is acquired from the timepiece device 8 in step S502.

  In step S503, if the current time is the time for acquiring the bus position information, a bus position information acquisition request is transmitted to the content providing server 20 in step S504. Here, “the time when the bus position information is acquired” is the day of the week and the time zone when the bus position information is acquired, and is the time when the interval time has elapsed from the time when the previous request was transmitted. On the other hand, if the current time is not the time for acquiring the bus position information, the process waits in step S502 until the time for acquiring the bus position information is reached.

  Next, when BML information including bus position information is received from the content providing server 20 in step S505, the BML information processing means 5e is loaded with the BML information to generate a network data plane. In step S506, the video processing means 7 Information is presented to the display device via the.

  Here, the processing from step S502 to step S506 is continued until the end instruction is issued from the user in step S508, or until the day of the week or the time zone when the bus position information is acquired is terminated.

  Next, processing for selecting a bus to be boarded from the bus location information and guiding the transfer to the destination when boarding the bus will be described.

  First, in step S601, the user selects and acquires a bus to be boarded from the presented bus location information. In step S602, the bus arrives at the nearest stop, that is, gets on the bus designated by the user. Get the time. In step S603, the user is made to acquire a destination.

  The information acquired in step S601 to step S603, that is, the information on the nearest station of the bus, the boarding time of the bus, and the destination is transmitted to the content providing server 20 to search for a transfer.

  The result received in step S605 is presented on the display device.

  With reference to FIG. 16, the example which shows the data which the receiver 1 received in the 2nd Embodiment of this invention is demonstrated.

  The network data presentation unit 103 includes a system selection unit 140, an operation button unit 150, and a bus information presentation unit 160.

  The system selection unit 140 uses each registration of the user data storage device 4a as a button, and selects the first to third system buttons B140a to B140c for selecting the system to be presented to the bus information presentation unit 160. When the first system button B 140 a is clicked, the position information of the “E system up” bus is acquired and presented to the bus information presentation unit 160.

  The operation button unit 150 includes a display setting button B151 that sets position information of a bus to be displayed, a timetable button B152 that presents a timetable, a transfer button B153 that causes the content providing server 20 to search for a transfer, and usage registration that pays a content usage fee Button B154 is provided.

  The bus information presentation unit 160 presents several bus stops and bus positions in association with each other before and after the nearest bus stop. At this time, it is preferable that the nearest stop is presented in a different color so that it can be distinguished from other stops. FIG. 17 shows that there is one bus in the immediate vicinity of the nearest stop and one bus in front of the nearest two stops. Although not shown in the figure, the arrival time of the bus may be presented. It is preferable to change the color so that the relevant part of the route selection unit 140 can be distinguished from other parts so that the system and direction of the bus presented to the bus information presentation unit 160 can be understood.

  Furthermore, when a transfer guidance is desired, it is preferable to select a bus to be boarded from the bus information presentation unit 160. For example, by selecting the bus in front of the nearest two stops, it is possible to obtain the result of transfer guidance when boarding this bus.

  According to the second embodiment of the present invention, the user is allowed to select a bus to be boarded, and the result of the transfer guidance is acquired by inputting the destination without inputting the departure place and the departure time. be able to.

(Other embodiments)
As described above, the first and second embodiments of the present invention have been described. However, it should not be understood that the descriptions and drawings constituting a part of this disclosure limit the present invention. From this disclosure, various alternative embodiments, examples and operational techniques will be apparent to those skilled in the art.

  In the embodiment of the present invention, the BML information acquired from the network data describes only video information, but may include audio information. For example, when there is operation information, it may be output by voice such as “There is a delay on the XX line”.

  In the embodiment of the present invention, an example in which BML information is presented on the screen has been described. However, HTML, XML, or other document formats may be used.

  Of course, the present invention includes various embodiments not described herein. Therefore, the technical scope of the present invention is defined only by the invention specifying matters according to the scope of claims reasonable from the above description.

It is a functional block diagram of the receiver which concerns on embodiment of this invention. It is a system block diagram which receives information using the receiver concerning an embodiment of the invention. It is an example of the screen layout which displays the data received by the receiver which concerns on embodiment of this invention on a display apparatus. It is an example of the data structure and data memorize | stored in the user data storage device of the receiver by the 1st Embodiment of this invention. It is a functional block diagram of a railway company server according to the first embodiment of the present invention. It is a hardware block diagram of the receiver which concerns on embodiment of this invention. It is the flowchart which showed the process which sets user data by the receiver by the 1st Embodiment of this invention. It is the flowchart which showed the process which acquires and shows operation information with the receiver by the 1st Embodiment of this invention. It is the flowchart which showed the process which synthesize | combines network data and broadcast data by the receiver by the 1st Embodiment of this invention. It is the flowchart which showed the process which transmits operation information to a receiver by the content provision server by the 1st Embodiment of this invention. It is an example of the screen which shows the data received in the receiver by the 2nd Embodiment of this invention, Comprising: It is an example of a screen in case operation information is shown, presenting broadcast data. It is an example of the screen which presents the data received in the receiver by the 2nd Embodiment of this invention, Comprising: It is a screen which shows the detail of operation information to the operation information detail presentation part in the screen of FIG. It is an example of the screen which presents the data received in the receiver by the 2nd Embodiment of this invention, Comprising: It is a screen which makes a user set a subtitle with a subtitle setting presentation part. It is an example of the data structure and data which were memorize | stored in the user data storage device of the receiver by the 2nd Embodiment of this invention. It is the flowchart which showed the process which acquires the positional information on a bus | bath in the receiver by the 2nd Embodiment of this invention. It is the flowchart which showed the process which selects the bus to board in the 2nd Embodiment of this invention, and acquires the result of transfer guidance. It is an example of the screen which presents the data received in the receiver by the 2nd Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Receiver 2 ... Broadcast data processing device 3 ... Network data processing device 4 ... Storage device 4a ... User data storage device 4b ... BML information storage device 5 ... Control means 5a ... User data control means 5b ... Network data acquisition means 5c ... Information control means 5d ... Control means 5d ... Information control means 5e ... BML information processing means 6 ... Audio processing means 7 ... Video processing means 7a ... Network data plane conversion means 7b ... Video data plane conversion means 7c ... Blending processing means 8 ... Clock Device 9 ... Input interface device 10 ... Bus 11 ... Digital television 20 ... Content providing server 21 ... Operation information storage device 22 ... BML information storage device 23 ... Operation information acquisition means 24 ... BML information generation means 25 ... Operation information provision means 30 ... Broadcast data transmitter 30a ... Radio tower 3 ... Communication control means 32 ... Input device 33 ... Display device 34 ... Input / output control device 40 ... Railway company server 50 ... Communication network 101 ... Presentation unit 102 ... Broadcast data presentation unit 103 ... Network data presentation unit 110 ... Telop unit 120 ... Operation Information group display unit 120a to 120e ... Operation information presentation unit 125 ... Operation information detail presentation unit 126 ... Subtitle setting presentation unit 130 ... Operation button unit 140 ... System selection unit 140 ... Route selection unit 150 ... Operation button unit 160 ... Bus information presentation 501 ... Demodulation unit 502 ... Main processing unit 503 ... External device connection unit 504 ... Data storage unit 505 ... Transport stream processing unit 506 ... RAM control unit 507 ... MPEG video audio decoder 508 ... Video graphic processing unit 509 ... Host CPU
510 ... External bus control unit 511 ... Ethernet (registered trademark) control unit 512 ... IEEE 1394 control unit 513 ... Card control unit 514 ... EPROM
515: Flash memory 516: ROM
517 ... SDRAM
518 ... Audio DAC
519 ... NTSC / PAL / SECAM encoder

Claims (16)

In a receiver that receives broadcast data transmitted from a broadcast station, receives network data from a content providing server via a communication network, and presents the data on a display device.
A broadcast data processing device for acquiring the broadcast data;
A network data processing device for obtaining the network data;
Network data acquisition means for acquiring network data that can be presented to the display device from the content providing server via the network data processing device;
Based on the network data that can be presented to the display device acquired by the network data acquisition means, the network data that can be presented to the display device is converted into video data related to video out of the broadcast data acquired by the broadcast data processing device. And a video processing means for synthesizing and presenting the result on the display device. The network data acquisition means requests the content providing server to acquire the network data, and requests and acquires data that can be presented from the content providing server to the display device in response to a response from the content providing server. The receiver according to claim 1. Further comprising user data control means for storing attributes of the network data;
In the network data acquisition means, based on the attribute of the network data stored in the user data control means, requests the content providing server to acquire the network data, and according to a response from the content providing server, The receiver according to claim 1, wherein data that can be presented to a display device is requested and acquired from the content providing server. Further comprising user data control means for storing attributes of the network data;
The network data acquisition unit requests acquisition of the presence or absence of the network data stored in the user data control unit, and if there is the network data, requests network data that can be presented to the display device from the content providing server. The receiver according to claim 1, wherein the receiver is acquired. It further comprises user data control means for storing attributes of the network data acquired by the network data acquisition means and conditions of the network data presented on the display device,
The network data acquisition unit requests the content providing server to acquire the network data based on the attribute of the network data stored in the user data control unit, and the network data is stored in the user data control unit. 2. The receiver according to claim 1, wherein the network data that can be presented to the display device is requested and acquired when the condition of the network data presented to the display device matches. The content providing server is a server that provides transportation operation information,
It further comprises user data control means for storing the attribute of the operation information of any one or more of the route, direction, and station of the transportation facility,
In the network data acquisition means, the content providing server is requested to acquire the presence / absence of the operation information that matches the attribute of the operation information to be acquired. The receiver according to claim 1, wherein the operation information data that can be presented is requested and acquired. The user data control means is configured to send the operation information to the content providing server at least one of a date when the network data is inquired to the content providing server, a time zone for inquiring, and a time interval for inquiring. It also remembers the conditions that require the acquisition of
The receiver according to claim 6, wherein the network data acquisition unit requests the content providing server to acquire the presence / absence of the operation information in accordance with a condition for requesting the acquisition of the operation information. The user data control means further stores conditions to be presented on the display device,
The receiver according to claim 6 or 7, wherein the network data acquisition means requests the content providing server to acquire the presence or absence of the operation information in accordance with a condition presented on the display device. In a receiving method for receiving broadcast data transmitted from a broadcasting station, receiving network data from a content providing server via a communication network, and presenting the data on a display device,
Obtaining the broadcast data by a broadcast data processing device;
Obtaining the network data by network data processing means;
Obtaining network data that can be presented to the display device from the content providing server via the network data processing means by a network data obtaining means;
Based on the network data that can be presented to the display device obtained by the network data obtaining means by the video processing means, the network data that can be presented to the display device is converted into the broadcast data obtained by the broadcast data processing device. A step of synthesizing video data relating to the video and causing the display device to present the synthesized video data. In the step of acquiring network data that can be presented to the display device by the network data acquisition means, the content providing server is requested to acquire the network data from the content providing server, and in response to a response from the content providing server, the content providing server The receiving method according to claim 9, further comprising: requesting and acquiring data that can be presented to the display device. A step of storing the attribute of the network data by a user data control means;
In the step of acquiring network data that can be presented to the display device by the network data acquisition means, the content providing server acquires the network data based on the attribute of the network data stored by the user data control means. The receiving method according to claim 9, wherein the receiving method requests and acquires data that can be presented from the content providing server to a display device in response to a response from the content providing server. A step of storing the attribute of the network data by a user data control means;
The step of acquiring network data that can be presented to the display device by the network data acquisition means requests acquisition of the presence or absence of the network data stored by the user data control means, and if the network data exists, the content The receiving method according to claim 9, wherein the network data that can be presented to the display device is requested from the providing server and acquired. The step of storing the attribute of the network data acquired by the network data acquisition unit and the condition of the network data presented on the display device by the user data control unit,
The step of acquiring network data that can be presented to the display device by the network data acquisition means requests the content providing server to acquire the network data based on the attribute of the network data stored by the user data control means. When the network data matches a condition of network data presented on the display device stored in the user data control means, the network data that can be presented on the display device is requested and acquired. Item 10. The receiving method according to Item 9. The content providing server is a server that provides transportation operation information,
Storing the attribute of the operation information of any one or more of the route, the direction, and the station of the transportation by user data control means,
In the step of acquiring network data that can be presented to the display device by the network data acquisition means, the content providing server is requested to acquire the presence / absence of the operation information that matches the attribute of the acquired operation information, and The reception method according to claim 9, wherein when there is operation information, the operation information data that can be presented to the display device is requested and acquired from the content providing server. The step of storing by the user data control means includes at least one of the content providing server of a date when the network data is inquired to the content providing server, a time zone when the inquiry is made, and a time interval when the inquiry is made. Further stores the conditions for requesting acquisition of the operation information,
In the step of requesting and acquiring network data that can be presented to the display device by the network data acquisition means, the content providing server is requested to acquire the presence or absence of the operation information according to a condition for requesting acquisition of the operation information, The reception method according to claim 14, wherein when there is the suitable operation information, the operation information data that can be presented to the display device is requested and acquired from the content providing server. The user data control means further stores conditions to be presented on the display device,
In the step of requesting and acquiring network data that can be presented to the display device by the network data obtaining means, the content providing server is requested to obtain the presence or absence of the operation information in accordance with conditions presented on the display device. The receiving method according to claim 14 or 15.

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