JP6195540B2 - Radio receiver - Google Patents

Description

  The present invention relates to a radio receiver that receives a radio broadcast, and more particularly to a radio receiver having a function of presenting text information added to the radio broadcast.

Radio broadcasting services in many countries including Europe send text information to radio broadcasting. For example, the radio data system (RDS) adds text information (radio text) such as the name of a song being broadcast to an analog FM broadcast.
When receiving the above radio broadcast, the radio receiver extracts radio text from the received signal and displays it on the screen. Note that the radio text may include URL information of a web page of a broadcasting station or content being broadcast.

  Patent Document 1 discloses a broadcast receiver that performs web access by extracting URL information added to a radio broadcast. This broadcast receiver can access the web page of the extracted URL information with a browser.

JP-T-2004-503129

  Since conventional radio receivers generally have only a function of displaying text information, URL information of text information extracted from radio broadcast waves is displayed in text format as it is. For this reason, in order to access the web page of the displayed URL information, the user has to write down the URL information and set it to another communication device having a browser function.

  In the invention of Patent Document 1, URL information is automatically extracted from a radio broadcast. However, since it is not clear from which broadcast station this URL information is transmitted, the user has a relationship with the broadcast station. URL information cannot be selected in consideration, and convenience is poor.

  The present invention has been made to solve the above-described problems. URL information added to a radio broadcast is automatically extracted, and URL information is selected in consideration of the relationship with the broadcast station of the radio broadcast. The purpose is to obtain a radio receiver.

  A radio receiver according to the present invention includes a broadcast receiving unit that receives a radio broadcast, a text information extracting unit that extracts text information added to the radio broadcast received by the broadcast receiving unit, and URL information from the text information. A URL extracting unit to be extracted, a storage unit that stores URL information extracted by the URL extracting unit in association with a radio broadcast station, and a broadcast receiving unit that receives the URL information stored in the storage unit. A list generation unit that generates a list of URL information added to the radio broadcast, and a display unit that displays a broadcast station name of the radio broadcast received by the broadcast reception unit and a list of URL information added to the radio broadcast The display control unit displayed on the display unit and a selection operation for the URL information of the list displayed on the display unit are received, and an access process to the selected URL information is processed. And an access processing unit that performs.

  According to the present invention, the URL information added to the radio broadcast is automatically extracted, and the URL information can be selected in consideration of the relationship with the radio program of the radio broadcast.

It is a block diagram which shows the structure of the broadcast receiver which concerns on Embodiment 1 of this invention. 5 is a diagram illustrating an example of a screen display in Embodiment 1. [FIG. 3 is a flowchart showing an operation of the broadcast receiver according to the first embodiment. It is a block diagram which shows the structure of the broadcast receiver which concerns on Embodiment 2 of this invention. It is a block diagram which shows the structure of the broadcast receiver which concerns on Embodiment 3 of this invention. FIG. 10 is a diagram illustrating an example of a screen display in a third embodiment. 10 is a flowchart illustrating an operation of the broadcast receiver according to the third embodiment.

Embodiment 1 FIG.
1 is a block diagram showing a configuration of a broadcast receiver according to Embodiment 1 of the present invention.
A radio receiver 1 shown in FIG. 1 is a radio receiver that is mounted on or brought into a moving body such as a vehicle and receives a radio broadcast via an antenna 2, and displays text information added to the radio broadcast. The unit 3 and an input unit 4 that receives a user's channel selection operation are connected.
Further, the radio receiver 1 includes a broadcast receiving unit 10, a text information extracting unit 11, a URL extracting unit 12, a storage unit 13, a list generating unit 14, a web access unit 15, and a display control unit 16 as functional configurations.

  The broadcast receiving unit 10 receives a radio broadcast via the antenna 2. The broadcast receiving unit 10 includes a tuner unit and a demodulation unit (not shown). Here, the tuner unit extracts a signal of a tuning frequency from a radio broadcast (for example, FM broadcast) received via the antenna 2 and converts it to an intermediate frequency signal (IF signal). The demodulation unit demodulates the IF signal converted by the tuner unit and separates it into a radio broadcast signal and a data broadcast signal.

The text information extraction unit 11 extracts text information added to the radio broadcast received by the broadcast reception unit 10. For example, the text information extraction unit 11 extracts the text information by decoding the demodulated signal of the data broadcast from the demodulation unit.
The URL extraction unit 12 extracts URL information from the text information extracted by the text information extraction unit 11. For example, a character string indicating a URL such as “http: //” is searched in the text information to identify the URL information.

The storage unit 13 stores the URL information extracted by the URL extraction unit 12 in association with a radio broadcast station. For example, URL information extracted from this radio broadcast is stored in association with the broadcast station name (PS-name) of the radio broadcast.
The list generation unit 14 generates a list of URL information added to the radio broadcast received by the broadcast reception unit 10 (hereinafter referred to as a URL list) based on the URL information stored in the storage unit 13. . For example, the list generation unit 14 lists the URL information newly extracted by the URL extraction unit 12 so that the URL information becomes the highest.

The web access unit 15 is an access processing unit that accesses URL information using a web browser provided in the radio receiver 1. For example, the URL information selected by the user is read from the URL information list and accessed.
The display control unit 16 displays the broadcast station name of the radio broadcast received by the broadcast reception unit 10 and the URL list of the URL information added to the radio broadcast on the display unit 3.

FIG. 2 is a diagram showing an example of the screen display in the first embodiment, and shows a radio reception screen 3 </ b> A displayed on the display unit 3 by the radio receiver 1.
On the radio reception screen 3A, broadcast station information 3A-1 in which the reception frequency received by the broadcast receiving unit 10 and a broadcast station name are displayed, and a text information display field 3A-2 of text information added to the radio broadcast are displayed. The URL list 3A-3 of URL information extracted from this text information is displayed.

As shown in FIG. 2, the URL information in the URL list 3A-3 can be selected by a cursor 3A-4 that can be operated from the input unit 4 shown in FIG.
By displaying the URL list and the broadcast station name together in this way, the user can select the URL information in consideration of the relationship with the radio broadcast station.

By pressing the “Check URL” button 3A-5 while the URL information is selected with the cursor 3A-4, it is possible to access the URL information web page.
That is, the web access unit 15 reads URL information selected by the cursor 3A-4 from the URL list 3A-3, sets the URL information in the web browser, and accesses the web page of the URL information via the web browser.
As described above, according to the present invention, it is not necessary for the user to write down the URL information and set it in another communication device having a browser function, and the URL information web page can be easily accessed by a simple screen operation. is there.

Next, the operation will be described.
FIG. 3 is a flowchart showing the operation of the broadcast receiver according to Embodiment 1, and shows the flow of processing for displaying the screen of FIG.
First, the text information extraction unit 11 extracts text information added to the radio broadcast currently received by the broadcast reception unit 10 (step ST1).

Next, the URL extraction unit 12 searches the URL information from the text information extracted by the text information extraction unit 11. If the URL information is included in the text information (step ST2; YES), the URL extraction unit 12 extracts the URL information from the text information and temporarily stores it in the storage unit 13 (step ST3).
If the URL information is not included in the text information (step ST2; NO), the display control unit 16 receives the frequency selected by the broadcast receiving unit 10 and the text information extracted by the text information extracting unit 11 ( Reception screen data is generated and displayed on the display unit 3 (step ST10). The reception screen at this time is a screen without the URL list 3A-3 in the radio reception screen 3A shown in FIG.

  The list generation unit 14 generates a URL list based on the URL information stored in the storage unit 13 (step ST4). At this time, the list generation unit 14 checks the number of URLs that can be displayed as a URL list (step ST5). That is, it is confirmed whether or not the number of URL information in the URL list has reached the maximum number of URLs that can be displayed as the URL list.

  When the number of URL information in the URL list reaches the maximum value of the number of URLs that can be displayed as the URL list (step ST5; the maximum value of the number of URLs), the list generation unit 14 at the oldest time in the URL list. The extracted URL information is deleted (step ST6), and the newly extracted URL information is added to the top of the URL list (step ST7).

  On the other hand, if the number of URL information in the URL list is less than the maximum number of URLs that can be displayed as the URL list (step ST5; less than the maximum number of URLs), the list generation unit 14 adds a new one in step ST7. The extracted URL information is added to the top of the URL list. As described above, the URL list in the present invention is listed so that the newly extracted URL information is always at the highest level, so that the user can easily select the newly notified URL information.

  When the same URL information as the URL information already listed in the URL list is newly extracted, the list generation unit 14 deletes the newly extracted URL information or puts it at the top of the URL list. to add.

  Next, the web access unit 15 accesses a web page of each URL information in the URL list (step ST8), acquires web page screen information for each URL information as access destination information, and outputs the web page screen information to the list generation unit 14. . The list generation unit 14 temporarily stores the access destination information acquired by the web access unit 15 in the storage unit 13 in association with each URL information in the URL list (step ST9).

  Subsequently, the display control unit 16 is generated by the reception frequency selected by the broadcast receiving unit 10, the text information (including the broadcast station name) extracted by the text information extracting unit 11, and the list generating unit 14. Based on the URL list, reception screen data is generated and displayed on the display unit 3 (step ST10). Thereby, the radio reception screen 3 </ b> A shown in FIG. 2 is displayed on the display unit 3.

  When displaying the URL list 3A-3 on the display unit 3, the URL information for the maximum number of URLs that can be displayed may be displayed, but the broadcast station information 3A-1 and the text information display field are displayed. In consideration of the display space of 3A-2, a predetermined number of URL information less than the maximum value may be displayed from the top.

  Further, in the radio reception screen 3A shown in FIG. 2, when the “Check URL” button 3A-5 is pressed with the URL information selected by the cursor 3A-4 (at the first selection of URL information), the web access section Before accessing this URL information, 15 instructs the list generation unit 14 to acquire web page screen information of the URL information stored in the storage unit 13 and outputs it to the display control unit 16. The display control unit 16 displays the web page screen information input from the web access unit 15 on the display unit 3. This makes it possible to accurately present the web page screen of URL information selected by the user even in an environment where the communication state is not stable as in a running vehicle.

As described above, according to the first embodiment, the text information extraction unit 11 extracts the text information added to the radio broadcast received by the broadcast reception unit 10. The URL extraction unit 12 extracts URL information from the text information extracted by the text information extraction unit 11. The storage unit 13 stores the URL information extracted by the URL extraction unit 12 in association with a radio broadcast station. The list generation unit 14 generates URL list information of the URL information added to the radio broadcast received by the broadcast reception unit 10 based on the URL information stored in the storage unit 13. The display control unit 16 displays the broadcast station name of the radio broadcast received by the broadcast reception unit 10 and the URL list of the URL information added to the radio broadcast on the display unit 3. The web access unit 15 receives a selection operation for the URL information in the URL list displayed on the display unit 3, and performs an access process to the URL information subjected to the selection operation.
With this configuration, URL information is automatically extracted from a radio broadcast.
In addition, since the URL list of the URL information added to the radio broadcast and the broadcast station name are displayed together, the user selects the URL information in consideration of the relationship with the broadcast station of the radio broadcast, and the web page Can be viewed.

  Further, according to the first embodiment, the web access unit 15 accesses the URL information, stores access destination information (for example, web page screen information) in the storage unit 13 in advance, and is selected and operated. When accessing the URL information, the information of the access destination stored in advance in the storage unit 13 is presented first. In this way, even in an environment where the communication state is not stable as in a running vehicle, it is possible to accurately present the access destination information of the URL information selected by the user.

  Furthermore, according to this Embodiment 1, the web access part 15 accesses URL information using a web browser. By doing so, it is possible to easily access the web page of URL information using a general-purpose web browser.

Embodiment 2. FIG.
FIG. 4 is a block diagram showing a configuration of a broadcast receiver according to Embodiment 2 of the present invention.
A radio receiver 1A shown in FIG. 4 is a radio receiver that is mounted on or brought into a moving body such as a vehicle and receives a radio broadcast via an antenna 2 as in the first embodiment, and is added to the radio broadcast. The display unit 3 for displaying the text information and the input unit 4 for receiving the user's channel selection operation are connected. Moreover, the function structure is provided with the broadcast receiving part 10, the text information extraction part 11, the URL extraction part 12, the memory | storage part 13, the list production | generation part 14, the display control part 16, and the communication part 17.

The difference from the configuration of FIG. 1 in the radio receiver 1 </ b> A is that a communication unit 17 is provided instead of the web access unit 15. That is, the radio receiver 1 </ b> A itself does not have a web access function, and web access is performed via the external device 100.
The communication unit 17 is an access processing unit that communicates and connects to the external device 100 and accesses URL information via the external device 100. For the communication between the communication unit 17 and the external device 100, for example, wireless communication such as WiFi or Bluetooth (registered trademark) is used.
The external device 100 is a device having a function of accessing the web, and examples thereof include a mobile phone, a PC, and a smartphone.

For example, in the radio reception screen 3A shown in FIG. 2, when the “Check URL” button 3A-5 is pressed while the URL information is selected with the cursor 3A-4, the communication unit 17 sends the list generation unit 14 The URL information is acquired and transmitted to the external device 100.
The external device 100 accesses the web page of the URL information received from the communication unit 17, and returns access destination information (such as web page screen information) to the communication unit 17.
The communication unit 17 outputs the access destination information received from the external device 100 to the display control unit 16. As a result, the display control unit 16 displays the access destination information input from the communication unit 17 on the display unit 3.

  As described above, according to the second embodiment, the communication unit 17 communicates and connects to the external device 100 and accesses URL information via the external device 100. With this configuration, it is possible to easily access the web page of URL information with a simple operation.

Embodiment 3 FIG.
FIG. 5 is a block diagram showing a configuration of a broadcast receiver according to Embodiment 3 of the present invention.
A radio receiver 1B shown in FIG. 5 is a radio receiver that is mounted on or brought into a moving body such as a vehicle and receives a radio broadcast via an antenna 2 as in the first embodiment, and is added to the radio broadcast. The display unit 3 for displaying the text information and the input unit 4 for receiving the user's channel selection operation are connected.

  The radio receiver 1B includes a broadcast receiving unit 10, a text information extracting unit 11, a URL extracting unit 12, a storage unit 13, a list generating unit 14A, a web access unit 15, a display control unit 16A, and a communication unit 17. In FIG. 5, the same components as those in FIG.

  The list generation unit 14A generates a URL list of URL information for each broadcasting station based on the URL information stored in the storage unit 13 for each broadcasting station. The display control unit 16A displays the URL list for each broadcast station name generated by the list generation unit 14A on the display unit 3.

FIG. 6 is a diagram showing an example of a screen display in the third embodiment, and shows a URL management screen 3B displayed on the display unit 3 by the radio receiver 1B.
In the URL management screen 3B, broadcast station information 3B-1 in which a broadcast station name group a including a broadcast station name received in the past and a broadcast station name received by the broadcast receiving unit 10 is displayed, and each broadcast station URL list field 3B-2 of URL information added to the radio broadcast, “Connect” button 3B-3 for instructing access to URL information, and “Send” button 3B-4 for instructing transmission of URL information are displayed. Is done.

Broadcast stations of the broadcast station information 3B-1 can be selected by a cursor 3B-5 that can be operated from the input unit 4 shown in FIG. 1, as shown in FIG.
In the URL list column 3B-2, a URL list of URL information added to the radio broadcast of the broadcast station selected by the cursor 3B-5 in the broadcast station information 3B-1 is displayed.
The list generation unit 14A configures a URL information group of similar URL information for each broadcasting station, and determines a hierarchical relationship of each URL information included in the URL information group from a character string indicating the URL.
For example, the similarity of URL information is determined from the matching condition of character strings indicating URLs, and the hierarchical relationship is determined from the contents of the character strings.
Then, the list generation unit 14A generates a URL list in which URL information is displayed in hierarchical order in the URL list field 3B-2.

Further, the web page title b and the URL list c are displayed in the URL list column 3B-2. The web page title b is the title of the web page to which the top URL information in the URL list c is accessed. The web page title b is access destination information that the web access unit 15 accesses to the top URL information and stores in advance in the storage unit 13.
The URL information of the URL list c can be selected by a cursor 3B-6 that can be operated from the input unit 4, as shown in FIG.
By displaying the URL list and the broadcast station name together in this way, the user can select the URL information in consideration of the relationship with the radio broadcast station.

By pressing the “Connect” button 3B-3 while the URL information is selected with the cursor 3B-6, the URL information web page can be accessed.
That is, the web access unit 15 reads out the URL information selected by the cursor 3B-6 from the URL list c, sets the URL information in the web browser, and accesses the web page of the URL information via the web browser.
As described above, according to the present invention, it is not necessary for the user to write down the URL information and set it in another communication device having a browser function, and the URL information web page can be easily accessed by a simple screen operation. is there.

Further, when the URL information is selected with the cursor 3B-6 and the “Send” button 3B-4 is pressed, the URL information can be transmitted to the external device 100.
That is, the communication unit 17 reads out the URL information selected by the cursor 3B-6 from the URL list c and transmits it to the external device 100. Thereby, the external device 100 can access the URL information received from the radio receiver 1B.
As described above, according to the present invention, it is possible to easily set the external device 100 having the browser function, and it is possible to access the web page of the URL information with a simple screen operation.

Next, the operation will be described.
FIG. 7 is a flowchart showing the operation of the broadcast receiver according to Embodiment 3, and shows the flow of processing for displaying the screen of FIG.
The text information extracting unit 11 extracts text information added to the radio broadcast currently received by the broadcast receiving unit 10.
The URL extraction unit 12 extracts URL information from the text information extracted by the text information extraction unit 11 and temporarily stores it in the storage unit 13. The list generation unit 14A acquires the newly extracted URL information from the storage unit 13 (step ST1a).

  Next, the list generation unit 14A confirms whether or not the newly extracted URL information exists in the URL information group stored in the storage unit 13 (step ST2a). When the newly extracted URL information is URL information that already exists in the URL information group (step ST2a; YES), the list generation unit 14A deletes the newly extracted URL information, and returns to step ST1a. Repeat the above process.

  When the newly extracted URL information is not URL information that already exists in the URL information group (step ST2a; NO), the list generation unit 14A indicates that the newly extracted URL information broadcast station is broadcast station information 3B-1. It is confirmed whether or not it exists in the list of broadcast stations (step ST3a). When the newly extracted URL information broadcast station does not exist in the broadcast station list of the broadcast station information 3B-1 (step ST3a; NO), the list generation unit 14A identifies this broadcast station as the broadcast station information 3B-1. It adds to the list | wrist of a broadcasting station (step ST4a).

When the newly extracted broadcast station of URL information exists in the broadcast station list of broadcast station information 3B-1 (step ST3a; YES), or when it is added to the broadcast station list in step ST4a, the list generator 14A associates the newly extracted URL information with the list of broadcast stations (step ST5a).
Next, the web access unit 15 accesses the web page of the newly extracted URL information (step ST6a), and acquires the web page title as access destination information (step ST7a).

14 A of list production | generation parts confirm whether the URL list corresponding to the web page title acquired by the web access part 15 exists in the memory | storage part 13 (step ST8a).
When the URL list corresponding to the web page title acquired by the web access unit 15 does not exist in the storage unit 13 (step ST8a; NO), the list generation unit 14A generates the URL list c of the web page title (step ST8a). ST9a). The generated URL list c is temporarily stored in the storage unit 13.

When the URL list corresponding to the web page title acquired by the web access unit 15 exists in the storage unit 13 (step ST8a; YES), or when the URL list c is generated in step ST9a, the list generation unit 14A The newly extracted URL information is added to the URL list c (step ST10a).
If the URL list c is generated in step ST9a, the web page title b is the newly extracted URL information web page title, and this URL information is added to the top.

  The display control unit 16A generates URL management screen data based on the URL list c stored in the storage unit 13 and displays it on the display unit 3 (step ST11a). As a result, the URL management screen 3 </ b> B shown in FIG. 6 is displayed on the display unit 3.

  When the URL list c is displayed on the display unit 3, URL information for the maximum number of URLs that can be displayed as the URL list shown in the first embodiment may be displayed, but the URL list field 3B- In consideration of two display spaces, a predetermined number of URL information less than the maximum value may be displayed from the top.

  Further, in the URL management screen 3B shown in FIG. 6, when the “Connect” button 3B-3 is pressed while the URL information is selected with the cursor 3B-6 (at the first selection of URL information), the web access unit 15 Before accessing this URL information, the list generation unit 14A is instructed to acquire the web page screen information of the URL information stored in the storage unit 13 and output it to the display control unit 16A. The display control unit 16 </ b> A displays the web page screen information input from the web access unit 15 on the display unit 3. This makes it possible to accurately present the web page screen of URL information selected by the user even in an environment where the communication state is not stable as in a running vehicle.

As described above, according to the third embodiment, the list generation unit 14A generates a list of URL information for each broadcast station based on the URL information stored for each broadcast station in the storage unit 13, and performs display control. The unit 16A displays a list of URL information for each broadcasting station name on the display unit 3.
By configuring in this way, the URL list of the URL information added to the radio broadcast and the broadcast station name are displayed together, so the user can display the URL information in consideration of the relationship with the broadcast station of the radio broadcast. You can select and browse the web page.
Moreover, since the URL list c for each broadcasting station is displayed, the selection range of the URL information is wide and the convenience is high.

  In the present invention, within the scope of the invention, any combination of each embodiment, any component of each embodiment can be modified, or any component can be omitted in each embodiment. .

1, 1A, 1B radio receiver, 2 antenna, 3 display unit, 3A radio reception screen, 3A-1, 3B-1 broadcast station information, 3A-2 text information display column, 3A-3 URL list, 3B-2 URL List column, 3A-4, 3B-5, 3B-6 cursor, 3A-5 “Check URL” button, 3B-3 “Connect” button, 3B-4 “Send” button, 4 input section, 10 broadcast receiving section, 11 Text information extraction unit, 12 URL extraction unit, 13 Storage unit, 14, 14A List generation unit, 15 Web access unit, 16, 16A Display control unit, 17 Communication unit, 100 External device

Claims (5)

A broadcast receiver for receiving radio broadcasts;
A text information extracting unit for extracting text information added to the radio broadcast received by the broadcast receiving unit;
A URL extraction unit for extracting URL information from the text information;
A storage unit that stores the URL information extracted by the URL extraction unit in association with a radio broadcast station;
A list generation unit that generates a list of URL information added to the radio broadcast received by the broadcast reception unit based on the URL information stored in the storage unit;
A display control unit for displaying the name of a radio broadcast station received by the broadcast reception unit and a list of URL information added to the radio broadcast on a display unit;
A radio receiver comprising: an access processing unit that receives a selection operation for URL information in a list displayed on the display unit and performs an access process to the URL information that has been selected and operated. The list generation unit generates a list of URL information for each broadcasting station based on the URL information stored for each broadcasting station in the storage unit,
The radio receiver according to claim 1, wherein the display control unit displays a list of URL information for each broadcasting station name on the display unit.   The access processing unit accesses URL information and stores access destination information in the storage unit in advance. When accessing the URL information selected and operated, the access processing unit first stores the URL information in advance in the storage unit. 3. The radio receiver according to claim 1, wherein the information of the access destination that has been received is presented.   The radio receiver according to any one of claims 1 to 3, wherein the access processing unit accesses URL information using a web browser.   The radio receiver according to any one of claims 1 to 3, wherein the access processing unit communicates with an external device and accesses URL information via the external device.

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