JP2005244716A - Television broadcast receiving system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To efficiently perform two-screen displaying in a TV broadcast receiving system including a web page browsing function. <P>SOLUTION: Whenever the two-screen displaying is started, screen displaying is performed in order to select which kind of combination of video signals is performed for the two-screen displaying. Thus, the two-screen displaying with the selected content is conducted. When the two-screen displaying is started, the screen displaying is performed by the predetermined combination of the video signals. Accordingly, the changeover of the contents of the two screens from the state with the predetermined combination and changeover into one-screen displaying are cyclically performed. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a television broadcast receiving apparatus for receiving a broadcast and viewing a program, and in particular, a television broadcast receiving apparatus having a function of accessing an external website via the Internet and displaying a web page on the screen. About.

  In television broadcasting, the broadcasting form is shifting from analog to digital, and accordingly, viewing of broadcast programs is also received passively from the form of receiving information provided by broadcast stations, so that viewers can connect telephone lines. It is becoming a bidirectional type capable of responding to a broadcasting station via the network.

  On the other hand, in general households, it has become widespread that a personal computer accesses an external website via the Internet and displays information on a screen for browsing.

  Thus, viewing of digital television broadcast programs and browsing of web pages on the Internet are performed by different presentation means, and when viewing broadcast programs, the television receiver is used to access the Internet. In some cases, the use of a personal computer is actually being used.

  However, each device has a display means and a function to communicate with the outside using a telephone line. For example, a digital television receiver is connected to the Internet without using it properly. If a browser for browsing web pages is installed so that viewing of broadcast programs and browsing of the Internet can be performed with a single television receiver, it is clear that the usability is improved.

  Conventionally, several proposals have been made so that a television receiver can also browse Internet web pages. For example, Patent Document 1 discloses a television receiver equipped with an Internet connection device. A proposal for switching the screen display between a state in which a predetermined web page is being connected and a state in which the connection is completed is shown.

  That is, Patent Document 1 discloses a proposal in which an Internet screen and a television image are simultaneously displayed during the Internet connection process, and only the Internet screen is displayed when the Internet connection process is completed. . Further, this Patent Document 1 also discloses a proposal for managing the display switching between the Internet screen and the television video by time. Furthermore, only the television video is displayed during the Internet connection process, and after the connection is completed, the Internet There is also a suggestion to switch to screen display. Furthermore, it is also disclosed that a display indicating that the connection process is being performed is performed during the Internet connection process.

  As described above, in Patent Document 1, in a television receiver having an Internet browsing function, there is a proposal that focuses on how to properly perform screen display during Internet connection processing and improve usability. In the environment where the Internet communication speed is low, a certain effect can be expected.

  However, an environment for connecting to an external website using DSL (Digital Subscriber Line) or an optical fiber with a high transmission speed is becoming widespread also in general homes, and the communication speed of the Internet has been remarkably increased. In addition, providers who provide a constant Internet connection at a low price have appeared, and the Internet access environment has become a high standard.

Therefore, Internet connection processing is becoming feasible without much stress, and for the user, it is easier to use after completing the connection than to display the screen during Internet connection processing. It seems that this proposal is accepted as more realistic, but no such proposal has been made.
JP-A-10-42205 (6th and 7th pages, FIGS. 1, 5 and 6)

  As described above, in a conventional television receiver having a function of accessing a website on the Internet via a communication line and displaying a web page on the screen, the television broadcast screen is displayed after the connection to the Internet is completed. No proposal has been made in terms of functionally switching the display of the Internet screen, and there was room for improvement in terms of operability.

  The present invention has been made in view of the above points, and is a television broadcast receiver capable of executing a function and smoothly switching between a television program screen and an Internet screen in a state where the Internet is connected. The purpose is to provide.

  The television broadcast receiver of the present invention includes a receiving unit that receives a plurality of television signals, an information acquiring unit that constructs a browser screen capable of acquiring and displaying information on a web page from an external website by a communication unit, and a display. And a two-screen display using two images selected from a video based on a plurality of television signals received by the receiving means and a video based on a browser screen constructed by the information acquisition means. And a display control means.

  The television broadcast receiving apparatus of the present invention uses a receiving means for receiving a broadcast signal in which data is multiplexed and transmitted, a memory, a display means, and a predetermined area of the memory to transmit the data multiplexed and transmitted to the broadcast signal. A processing unit for constructing a video to be displayed on the display unit, and a browser screen for acquiring information on a web page from an external website by a communication unit and displaying the information on the display unit using a predetermined area of the memory The information acquisition means for constructing the image, and when switching from the display form for displaying the video constructed by the processing means to the display form for displaying the browser screen constructed by the information acquisition means, Control means for releasing the area of the memory allocated for processing and securing it for the information acquisition means.

  According to the present invention, when the two-screen display is executed, it is possible to select on the screen what kind of video signal combination two-screen display is to be performed, so that the desired two-screen display can be surely performed. It can be done.

  Furthermore, by setting in advance the contents of the two-screen display that is displayed when the two-screen display is activated, the two-screen display can be executed with a simple operation. In that case, every time you operate the two-screen key of the remote controller, it is possible to configure to switch the contents of the two-screen display and to switch to the single-screen display cyclically. It will be easy.

  In addition, each time the two-screen display is activated, it is determined in advance whether to display a setting screen for selecting the contents of the two-screen display or to display a preset two-screen display. It is possible to further improve the operability.

  Furthermore, when the screen is displayed by the HTML browser from the state in which the BML browser is activated, the memory area used by the BML browser is released, and then a memory area for the screen display of the HTML browser is secured. Thus, the HTML browser screen can be displayed reliably, and the memory can be effectively used.

Hereinafter, an embodiment of a television broadcast receiver according to the present invention will be described in detail with reference to the drawings.
FIG. 1 is a circuit block diagram showing an embodiment of a television broadcast receiving apparatus 100 of the present invention. The apparatus shown in FIG. 1 is configured to allow both analog broadcasting and digital satellite broadcasting to be viewed, and includes a tuner unit 101 for analog broadcasting and a tuner unit 102 for receiving digital satellite broadcasting.

  The analog tuner unit 101 is connected to an analog broadcast receiving antenna 104 via an antenna input terminal 103, and the digital tuner unit 102 is connected to a satellite broadcast receiving antenna 106 via an antenna input terminal 105. .

  The analog tuner unit 101 selects a desired channel from among a plurality of channels included in the broadcast signal caught by the antenna 104 and outputs the received signal to the demodulation unit 107. The demodulator 107 detects the video signal and derives the detected analog video signal to the A / D converter 108. The A / D converter 108 converts the input analog video signal into a digital signal and outputs it to the graphics processing / superimposing unit 109.

  In addition to the output of the A / D converter 108, the graphics processing / superimposing unit 109 receives a plurality of video signals such as a digital broadcast video signal, which will be described later, and the graphics processing / superimposing unit 109 receives the plurality of input video signals. In addition to selecting and outputting video signals, it performs processing for so-called two-screen display that displays two video signals selected from a plurality of input video signals on the same screen. Format conversion processing, processing for superimposing an OSD (On Screen Display) signal, which will be described later, on the video signal of the broadcast program, and the like are executed.

  The output of the graphics processing / superimposing unit 109 is supplied to the video signal processing unit 110, and the video signal processing unit 110 performs processing for displaying the input video signal on the display 111. That is, for example, the input digital video signal is converted into an analog signal and converted into a standard television format, and is output to the display 111 for display.

  Also, the digital tuner unit 102 selects a desired channel from a plurality of channels included in the broadcast signal caught by the antenna, further demodulates the received signal obtained thereby, error correction, and scrambles as necessary. Processing such as cancellation is performed, and the result is output to the demultiplexer 112 as a TS (Transport Stream) of MPEG (Moving Picture Experts Group) 2.

  The demultiplexer 112 separates and extracts the various packets making up the TS for each packet and outputs them. For example, a PES (Packetized Elementary Stream) constituting a program is supplied to the decoder 113 and decoded there. The video packet included in the PES is decoded based on, for example, the MPEG2 standard, and is derived to the graphics processing unit 109 as an uncompressed digital video signal.

  Furthermore, the television receiving device 100 includes an OSD signal generation unit 114. The OSD signal generation unit 114 generates an OSD signal to be superimposed on the video signal selected by the graphics processing / superimposition unit 109. The OSD signal is a signal for constructing a GUI (Graphical User Interface) format screen such as a menu screen for performing various settings. When the OSD signal is displayed on the display 111, a cursor key of a remote controller, which will be described later, It is possible to select an item using the enter key and register it.

  Furthermore, the television broadcast receiving apparatus 100 includes a control unit 115 for adjusting the operation and function of each unit. The control unit 115 is configured by, for example, an MPU (Micro Processing Unit), and switches the channels of the analog tuner unit 101 and the digital tuner unit 102, controls the graphics processing / superimposing unit 109, controls the video signal processing unit 110, and demultiplexer 112. The packet separation and extraction and the decoding of the decoder 113 are controlled.

  Therefore, a ROM (Read Only Memory) 116 in which various processing programs are stored and a RAM (Random Access Memory) 117 as a work memory are connected to the control unit 115, and data set in a setting menu or the like is further saved. A non-volatile memory 118 is connected.

  The ROM 116 stores an HTML (HyperText Markup Language) browser program that is an Internet browser, and the control unit 115 stores web page data read from an external website, which will be described later, based on the browser program. It has a function of converting and constructing a display screen using the RAM 117 and deriving it to the video signal selection unit 109 and the graphics processing unit 114, and is shown as a block as an HTML browser 119 in the control unit 115. ing.

  Furthermore, the ROM 116 has a BML (Broadcast Markup Language) browser program for constructing a display screen of, for example, EPG (Electronic Program Guide) or local weather forecasts, news, etc., from metadata multiplexed and transmitted by digital broadcasting. The BML browser 120 is shown as a block in the control unit 115 as a function. The BML browser also uses the RAM 117 to construct a display screen.

  In addition to the various application software as described above, the ROM 116 also stores data such as characters, symbols, and characters that are used by the OSD signal generation unit 114 to generate OSD signals.

  Further, a communication I / F (Interface) 121 is connected to the control unit 115 between the communication terminal 122, connected to the Internet 123 via the communication I / F 121, and connected to the Internet 123. The external web server 124 is configured to be accessible. The communication I / F 121 includes a modem having a communication function compliant with, for example, TCP / IP (Transmission Control Protocol / Internet Protocol).

  Further, an infrared light receiving unit 125 and an operation input unit 126 are connected to the control unit 115, and the infrared light receiving unit 125 receives a remote control signal from the remote controller 127 and derives it to the control unit 115. The operation input unit 126 includes a plurality of switches provided on, for example, the front panel of the television broadcast receiving apparatus 100. Together with the remote controller 127, the user switches and adjusts the functions of the television broadcast receiving apparatus 100. It is operated when performing operation setting and the like.

  Note that the audio signal processing system is not shown in the block diagram shown in FIG. 1, but this is a result omitted to make the description of the present invention easier to understand. Including an audio signal processing system. For example, for analog broadcasting, an audio intermediate frequency signal can be extracted from the demodulator 107, detected and amplified, and output by audio output means such as a speaker. For digital broadcasting, audio data can be decoded by the decoder 113, converted into an analog signal, and output by audio output means such as a speaker.

  FIG. 2 shows an example of the key arrangement of the remote controller 127. As shown in FIG. 2, the remote controller 127 has a numeric key 201 used when switching channels for analog broadcasting or inputting numeric / character data. The numeric key 201 is composed of keys 1 to 12, and kana characters and alphabets are assigned to these keys. For example, a key to which a numeral “1” is attached can input a kana (hiragana, katakana) character of the line, an alphabetic ABC, and a lower case letter.

  Further, the remote controller 127 has a numeric key 202 for directly switching a digital satellite broadcast channel. Further, the remote controller 127 has a cursor key 203 and a determination key 204 for registering (determining) an item selected by the cursor key 203, and a channel up / down key for selecting a channel up / down. 205, a volume adjustment key 206 for increasing or decreasing the volume, and a power key 207 for turning on / off the power of the receiving apparatus 100.

  Further, the remote controller 127 activates the communication I / F 121 to access the external web server 124, and also returns the Internet key 208 for starting up the HTML browser 119, the end key 209 for ending the process, and the display screen. Menu key for displaying a menu for setting various functions, and a return key 210 used for the above, a d key 211 for starting up the BML browser 120 and displaying multiplexed data. 212, a two-screen key 213 for controlling the two-screen display, and a program guide key 214 for starting the BML browser 120 and displaying the EPG on the screen.

  In the television broadcast receiving apparatus 100 configured as described above, in order to view a broadcast program, the number keys 201 or 202 of the remote controller 127 are operated with the desired reception channel number. Thereby, the control unit 115 receives the remote control signal via the infrared light receiving unit 125 and executes the tuning process of the corresponding tuner units 101 and 102.

  For example, if “1” of the numeric key 201 is operated, the analog tuner unit 101 is controlled so as to receive one channel, whereby the video of the channel 1 received via the demodulating unit 107 and the A / D converter 108. The signal is derived to the graphics processing / superimposing unit 109. The control unit 115 controls the graphics processing / superimposing unit 109 to select and output the output of the A / D converter 108 to the video signal processing unit 110 and to control the video signal processing unit 110. Processing necessary for display is performed and output to the display 111. As a result, the output of the A / D converter 108 is displayed on the display 111, and the analog broadcast 1 channel is viewed.

  In this state, if the channel up / down key 205 of the remote controller 127 is operated, the control unit 115 receives it and sequentially increases or decreases the channel selection channel of the analog tuner unit 101 to broadcast on the received channel. If it is done, you can watch it.

  Furthermore, in order to receive a digital broadcast, a numeric key 202 for directly selecting a digital broadcast channel of the remote controller 127 is operated. Thereby, the control unit 115 controls the digital tuner unit 102 to select a channel corresponding to the operated numeric key. For example, when “1” is operated, the 101 channel of NHK (Japan Broadcasting Corporation) is selected, the ES constituting the program is separated by the demultiplexer 112, decoded by the decoder 113, and sent to the graphics processing / superimposing unit 109. Derived. The control unit 115 controls the graphics processing / superimposition unit 109 to select the output of the decoder 113 and further controls the video signal processing unit 110. As a result, the video signal decoded by the decoder 113 is displayed on the display 111 and the 101 channel is viewed.

  Furthermore, in order to view a program of another channel, the number key corresponding to the desired channel of the number key 202 of the remote controller 127 is operated, or the channel up / down key 205 is operated.

  Alternatively, it is also possible to construct an EPG program guide from metadata multiplexed and transmitted in digital broadcasting, display it on the display 111, and select a program to be viewed.

  That is, when displaying the EPG program guide, the program guide key 214 of the remote controller 127 is operated. As a result, the control unit 115 controls the demultiplexer 112 to acquire and analyze EPG data from SI (Service Information) included in the multiplex transmitted metadata, and also drives the BML browser 120 to store the RAM 117. An EPG screen is constructed and output using a predetermined area. At the same time, the control unit 115 controls the graphics processing / superimposing unit 109 and the video signal processing unit 110 to display the EPG program guide on the display 111.

  It is possible to select a program to be viewed from the displayed program table using the cursor key 203 and the enter key 204 of the remote controller 127. Alternatively, it is possible to make a viewing reservation for a future broadcast program.

  FIG. 3 is a diagram showing an example in which an EPG program guide is displayed. A program guide 302 displayed on the screen 301 shows a broadcasting station (channel) in the horizontal direction of the screen and the date and time in the vertical direction. The program titles to be broadcast are displayed at the positions where they intersect. The hatched portion in the figure indicates the cursor 303, and moves in the vertical and horizontal directions by operating the cursor key 203 of the remote controller 127.

  Further, in the state where the digital broadcast is being viewed, for example, when it is desired to display the content of the data broadcast that is multiplexed and transmitted to the program, the d key 211 of the remote controller 127 is operated. As a result, the control unit 115 controls the demultiplexer 112 to separate and analyze the data broadcast packet, launches the BML browser 120, and constructs a display screen using a predetermined area of the RAM 117. And output it.

  The data broadcast screen constructed by the BML browser 120 is processed to be displayed at the end of the program video by the graphics processing / superimposing unit 109 under the control of the control unit 115, and is displayed via the video signal processing unit 110. 111 is displayed.

  The content of the data broadcast displayed in combination with the video of the program may be, for example, information not related to the program, such as a local weather forecast, news, or a sentence introducing the program content.

  Furthermore, when browsing the web page stored in the external web server 124 via the Internet, the Internet key 208 of the remote controller 127 is operated. Thereby, the control unit 115 activates the communication I / F 121, accesses the web server 124 via the Internet 123, and takes in data of a desired web page. At the same time, the HTML browser 119 is started up, and a screen for displaying it based on the fetched data is constructed and output using a predetermined area of the RAM 117. Further, the control unit 115 controls the graphics processing / superimposing unit 109 and the video signal processing unit 110 to display the screen of the HTML browser 119 on the display 111.

Once communication with the web server 124 is ensured, the connection state is continued.
FIG. 4 shows an example of a screen displayed by the HTML browser 119. A predetermined frame display 402 of the HTML browser is displayed on the screen 401, and a web page 403 is displayed inside.

  This web page is a so-called portal site that is first accessed when connected to the Internet, and its URL (Uniform Resource Locator) can be stored in advance in the nonvolatile memory 118, for example. In order to switch from the page shown in FIG. 4 to the display of another page, when a link item exists in the page display 403, the cursor is moved to the item with the cursor key 203 of the remote controller 127 and determined. The key 204 may be operated. Alternatively, a URL address can be directly input, and characters can be input using the numeric keys 201 of the remote controller 127.

Next, the two-screen display function constituting the present invention will be described.
When the two-screen key 213 of the remote controller 127 is operated, the control unit 115 controls the OSD signal generation unit 114 to generate an OSD signal for selecting a combination of images constituting the two screens. The image processing / superimposing unit 109 and the video signal processing unit 110 are led to the display 111 for display.

  FIG. 5 shows an example of a screen displayed thereby. That is, in FIG. 5, items “on-air two-screen display” 502 and “Internet two-screen display” 503 are displayed as selection items below “two-screen display” as a title. A guidance display 504 for selecting with the up and down cursor keys 203 and determining with the enter key 204 is provided at the bottom. In addition, the selection item 502 is hatched to indicate that the cursor 505 is positioned at that item. When the up / down key of the cursor key 203 of the remote controller 127 is operated, the cursor 505 is moved, and when the enter key 204 is operated, the item where the cursor 505 is positioned is registered.

  The on-air two screens are two screens composed of the received broadcast program videos. The program video received by the analog tuner unit 101 and the program video received by the digital tuner unit 102 are displayed in half each. The The Internet two screens are two screens composed of the Internet screen by the HTML browser 119 and the video of the received broadcast program. As the video of the broadcast program, either the analog tuner unit 101 or the digital tuner unit 102 is used. Is selected.

  The control unit 115 controls the graphic processing / superimposing unit 109 based on the items set on the screen shown in FIG. 5, processes the target video signal, generates a two-screen display image, and displays it on the display 111. Let

  FIG. 6 is a display example of the display 111 when the on-air two screen 502 is selected in the setting screen of FIG. 5, and the screen 601 displays, for example, a video 602 of a digital broadcast received program on the left half thereof. In the right half, an analog broadcast received program image 603 is displayed.

  FIG. 7 is a display example of the display 111 when the Internet two screen 503 is selected on the setting screen of FIG. 5. The screen 701 displays an Internet image 702 by the HTML browser 119 on the left half of the screen 701, for example. In the right half, a video 703 of an analog broadcast received program is displayed.

  When the two-screen display shown in FIGS. 6 and 7 is being performed, when the two-screen display is to be ended, the end key 209 of the remote controller 127 is operated.

  FIG. 8 is a flowchart for explaining again the operation of the television broadcast receiving apparatus 100 of FIG. 1 described above. In FIG. 8, the process starts in step S801. In step S802, it is determined whether or not the two-screen key 213 is pressed. If it is determined that the two-screen key 213 is pressed, the process shown in FIG. Displays a pop-up (a two-screen display setting screen).

  Next, in step S804, it is determined whether or not the on-air two screen is selected from the two selection items of the pop-up. If it is determined that the selection has been made, then in step S805, the determination key 204 of the remote controller 127 is pressed. A determination is made whether or not. If it is determined that the enter key 204 has been pressed, an on-air dual screen is displayed in step S806.

  Next, in step S807, it is determined whether or not the end key 209 has been pressed. If it is determined that the end key 209 has been pressed, the process ends in step S808.

  If it is determined in step S804 that the on-air two-screen is not selected, the Internet two-screen, which is the other of the two selection items, is selected, and the Internet two-screen is selected in step S809. To do.

  Next, in step S810, it is determined whether or not the enter key 204 has been pressed. If it is determined that the enter key 204 has been pressed, an Internet dual screen is displayed in step S811. Next, in step S807, it is determined whether or not the end key 209 has been pressed. If it is determined that the end key 209 has been pressed, the process ends.

  If it is determined in step S805 and step S810 that the enter key 204 has not yet been pressed, the process returns to step S804.

  As described above, according to the television broadcast receiving apparatus 100 of the present invention, the setting screen is displayed as to what video signal combination is used for the two-screen display, and the setting is performed with the cursor key 203 and the decision key 204 of the remote controller 127. Therefore, the target two-screen display can be executed easily and reliably.

  Since the HTML browser 119 and the BML browser 120 use the same memory area of the RAM 117 when constructing the display image, respectively, when the Internet two-screen display is selected, the screen of the BML browser 120 is previously displayed. Is displayed, it is necessary to acquire the memory area of the HTML browser 119 after releasing the memory area of the RAM 117 used by the BML browser 120 until then.

  The process will be described with reference to the flowchart of FIG. In FIG. 9, the process starts in step S901, and in step S902, it is determined whether or not the Internet dual screen is selected. Next, in step S903, it is determined whether or not the BML browser 120 has been activated before the Internet two screens are selected. If the BML browser 120 has been activated, it is assigned to the BML browser in step S904. A predetermined memory area of the RAM 117 is released.

  Next, in step S905, a memory area necessary for the HTML browser is secured, and in step S906, two Internet screens are displayed.

  Next, in step S907, it is determined whether or not the end key 209 of the remote controller 127 is pressed. If the end key 209 is operated, the process ends in step S908.

  If it is determined in step S903 that the BML browser has not been activated, step S904 is passed and the process proceeds to step S905 to secure the memory area of the HTML browser, and then the Internet two screens are displayed in step S906.

  In the flowchart shown in FIG. 9, if the BML browser 120 is activated when the Internet two screens are selected, the memory area allocated for the BML browser is released, and then the memory area is acquired for the HTML browser. Since the Internet two-screen display is executed, it is possible to reliably display the Internet image by the HTML browser constituting the half of the screen, and it is possible to effectively use the memory area of the RAM 117. .

  The operation of the television broadcast receiving apparatus 100 shown in FIG. 1 has been described above. In the embodiment, when the two-screen display is performed, the selection is made after the screen display for setting the type of the two-screen display is performed. Because it takes the procedure of doing, it can surely perform the two-screen display by the combination of the desired video signal, but what kind of two-screen display is to be performed when the two-screen display is activated If it is set in advance, there is no need to display the setting screen each time.

  When the displayed two-screen screen is not desired, the two-screen key 213 is operated again to switch to another type of two-screen display, and the two-screen key 213 is further operated to display the one-screen display. The display can be cyclically switched every time the two-screen key 213 is operated, such as switching and further returning to the first two-screen display when the two-screen key 213 is operated.

  That is, first, when the two-screen display is activated, it is set in advance what combination of video signals is to be displayed. For the setting, the menu key 212 of the remote controller 127 is operated to display a menu screen on the display 111, and an operation for setting is performed based on the displayed menu.

  That is, when the menu key 212 is operated, the control unit 115 makes full use of the OSD signal generation unit 114 to construct and output a setting menu screen in the GUI format shown in FIG.

  In FIG. 10, a setting item is displayed on the screen 1001 under the title of the setting menu, and “dual screen setting” 1002 is included in the item. A lower part of the screen 1001 shows an operation procedure guide 1003 in which the cursor key 203 of the remote controller 127 is selected with the up / down / left / right keys and the enter key 204 is operated. A hatched line indicates a cursor 1004.

  In FIG. 10, when the cursor key 203 of the remote controller 127 is operated to position the cursor 1004 on the two-screen setting item 1002 and the enter key 204 is operated, the control unit 115 makes full use of the OSD signal generation unit 114. The two-screen display setting screen shown in FIG. 11 is constructed and displayed on the display 111.

  In FIG. 11, a setting screen having the same screen configuration as the setting screen shown in FIG. 5 is displayed. A title, an on-air two-screen selection item display 1102 and an Internet selection item display 1103 are displayed on the screen 1101, and a cursor is further displayed at the bottom. A guidance display 1104 for selecting and determining with the up and down keys of the key 203 and the determination key 204 is shown.

  In FIG. 11, for example, when the on-air two screen is selected and determined, the control unit 115 stores the data in the nonvolatile memory 118.

  When the two-screen key 213 of the remote controller 127 is operated after the two-screen display setting is executed as described above, the control unit 115 reads the setting data stored in the nonvolatile memory 118. Since the data is an on-air two screen, the control unit 115 controls the graphics processing / superimposing unit 109 and the video signal processing unit 110 to display the analog broadcast reception program video and the digital broadcast reception program video shown in FIG. A two-screen display consisting of

  Furthermore, each time the two-screen key 213 is operated, it is set whether to perform a procedure for displaying a setting screen (pop-up) (FIG. 5) or a procedure for setting a type of two-screen display in advance. The data may be stored in the nonvolatile memory 118 in advance, and when the two-screen display is activated, the data is read and the two-screen display is executed according to the procedure corresponding to the setting. Is possible.

  FIG. 12 is a flowchart for explaining the process. In the figure, it is determined in step S1201 whether or not the two-screen key 213 of the remote roller 127 has been pressed in step S1202, and if it is determined that the button has been pressed, whether or not a pop-up is displayed in step S1203. These settings are read from the nonvolatile memory 118.

  Next, in step S1204, it is determined whether or not the read data is for displaying a pop-up. If it is determined that the pop-up is set to be displayed, steps S1205 to S1213 are performed in FIG. Processing similar to that in steps S803 to S811 in the flowchart shown is executed.

  If it is determined in step S1204 that it is set not to display the pop-up, the two-screen priority display type data stored in the nonvolatile memory 118 is read in step S1214. Next, in step S1215, it is determined whether or not priority is given to the on-air two screens. If the on-air two screens are set, the on-air two screens are displayed in step S1216, and the process proceeds to step S1209. If it is determined that the on-air two-screen display is not set, the Internet two-screen display is performed in step S1217, and the process proceeds to step S1209.

  According to the embodiment described above, it is set whether to display a setting screen (pop-up) each time the two-screen key 213 is operated or to execute a preset two-screen display. Can improve usability.

  In the case of the embodiment in which the two-screen display of a preset type is executed when the two-screen key 213 is operated, the two-screen display is displayed each time the two-screen key 213 is operated as described above. The process of changing the type and further switching to the one-screen display may be cyclically repeated, and the process is shown in the flowchart of FIG.

  In FIG. 13, it is started in step S1301, and in step S1302, it is determined whether or not the two-screen key is pressed. If it is determined that the two-screen key is pressed, before the two-screen key is pressed in step S1303, Then, it is determined whether or not it is a single screen display, and if it is a single screen display, on-air dual screen display is performed in step S1304. Next, in step S1305, it is determined whether or not the end key 209 has been pressed. If it is determined that the end key 209 has been pressed, the process ends in step S1306. If the end key 209 has not been operated, step S1305 is performed. The process returns to S1302.

  If it is determined in step S1303 that the single-screen display was not performed before the two-screen key was pressed, it is determined in step S1307 whether or not it was an on-air two-screen display. The Internet two-screen display is executed, and the process proceeds to step S1305. If it is determined in step S1307 that the on-air two-screen display is not performed, the process moves to step S1305 instead of the one-screen display.

  As described above, according to the television broadcast receiving apparatus of the present invention, when the two-screen display is executed, every time the two-screen key of the remote controller is operated, the two-screen display combining any video signals is performed. Can be selected on the screen, so that the desired two-screen display can be surely performed.

  Furthermore, by setting in advance the contents of the two-screen display that is displayed when the two-screen display is activated, the two-screen display can be executed with a simple operation. In that case, every time you operate the two-screen key of the remote controller, it is possible to configure to switch the contents of the two-screen display and to switch to the single-screen display cyclically, making the operation easier As a result, usability is improved.

  Alternatively, each time when the two-screen display is activated, it is determined in advance whether to display a setting screen for selecting the contents of the two-screen display or to display a preset two-screen display. It is also possible to improve the operability.

  Furthermore, when the screen is displayed by the HTML browser from the state in which the BML browser is activated, the memory area used by the BML browser is released, and then a memory area for the screen display of the HTML browser is secured. Thus, the HTML browser screen can be displayed reliably, and the memory can be effectively used.

1 is a circuit block diagram showing an embodiment of a television broadcast receiver according to the present invention. The figure which shows an example of the key arrangement | positioning of the remote controller applied to the television broadcast receiver of FIG. The figure which shows the example of a display of the BML browser screen displayed with the television broadcast receiver of FIG. The figure which shows the example of a display of the HTML browser screen displayed with the television broadcast receiver of FIG. The figure which shows an example of the setting screen structure for setting the content of the image | video displayed on two screens in the television broadcast receiver of FIG. The figure which shows an example of the screen structure of the two-screen display displayed in the television broadcast receiver of FIG. The figure which shows the other example of the screen structure of the two-screen display displayed in the television broadcast receiver of FIG. The flowchart for demonstrating operation | movement of the television broadcast receiver of FIG. The flowchart for demonstrating operation | movement of the television broadcast receiver of FIG. The figure which shows the menu screen structure for presetting the content displayed on two screens in the television broadcast receiver of FIG. The figure which shows the screen structure for presetting the content displayed on two screens in the television broadcast receiver of FIG. The flowchart for demonstrating operation | movement of the television broadcast receiver of FIG. The flowchart for demonstrating operation | movement of the television broadcast receiver of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 ... Television broadcast receiver 101 ... Analog tuner part 102 ... Digital tuner part 103, 105 ... Antenna input terminal 104 ... Analog broadcast receiving antenna 106 ... Digital broadcast receiving antenna 107 ... Demodulation part 108 ... A / D converter 109 ... Graphics Processing / superimposition unit 110 ... Video signal processing unit 111 ... Display 112 ... Demultiplexer 113 ... Decoder 114 ... OSD signal generation unit 115 ... Control unit 116 ... ROM
117 ... RAM
118 ... Nonvolatile memory 119 ... HTML browser 120 ... BML browser 121 ... Communication I / F
122 ... Communication terminal 123 ... Internet 124 ... Web server

Claims (5)

Receiving means for receiving a plurality of television signals;
Information acquisition means for acquiring a web page information from an external website by communication means and constructing a browser screen that can be displayed; and
Display means;
Display control means for causing the display means to perform two-screen display using two pictures selected from the video based on the plurality of television signals received by the receiving means and the video based on the browser screen constructed by the information acquiring means. When,
A television broadcast receiving apparatus comprising:   The display control means includes a first display form for constructing two screens by videos based on the television signal, and a second display for constructing two screens by video based on the television signal and video based on the browser screen. 2. The television broadcast receiver according to claim 1, further comprising selection means for selecting a display form.   The display control means, when executing a two-screen display, a first display form for constructing a two-screen by videos based on the television signal, a video based on the television signal and a video based on the browser screen 2. The television broadcast receiving apparatus according to claim 1, wherein display based on a predetermined display form among the second display forms for constructing two screens is preferentially executed.   The display control means further includes display switching means for sequentially switching the first display form, the second display form, and a third display form for displaying an image based on any one of the video signals. The television broadcast receiver according to claim 3. Receiving means for receiving a broadcast signal in which data is multiplexed and transmitted;
Memory,
Display means;
Processing means for constructing a video for displaying on the display means the data multiplexed with the broadcast signal using the predetermined area of the memory;
Information acquisition means for acquiring a web page information from an external website by a communication means and using the predetermined area of the memory to construct a browser screen for display on the display means;
When switching from the display mode in which the video constructed by the processing unit is displayed on the display unit to the display mode in which the browser screen constructed by the information acquisition unit is displayed, the memory allocated for processing by the processing unit Control means for releasing the area and securing for the information acquisition means;
A television broadcast receiving apparatus comprising:

Images