JP2002318651A - Information display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an information display device capable of making an information page using a frame function easy to see. SOLUTION: This information display device for displaying a video signal in a video signal on a screen, and for fetching data from a computer network, and for converting the data into a video signal, and for displaying it on a screen is provided with a receiving means (S10) for receiving information pages using a frame function for setting a plurality of frames on one window, and for displaying different pages in those frames, a display means (S26) for dividing and displaying the frames of the information pages received by the receiving means on one screen, and a discriminating means (S30) for discriminating one frame selected from among the frames displayed at the display means from the other frames.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information display device for displaying a video signal in a video signal on a screen, taking in data from a computer network such as the Internet or an intranet, converting the data into a video signal, and displaying the video signal on the screen. It is about.

[0002]

2. Description of the Related Art The Internet is a computer network in which a large number of computers are connected on a worldwide scale, and each computer stores various information that can be read. This information includes e-mails, various programs, homepages, etc., and can be communicated in both directions. The homepage is a cover and a table of contents of one piece of information, and necessary information can be searched by selecting a picture (icon) and a word on the homepage.

FIG. 12 is an explanatory diagram for explaining an example of connection between each computer and the Internet.
In this connection example, the personal computer 7 is connected to the telephone line 2 via a modem 8 or a terminal adapter, and the telephone line 2 is connected to a modem 3 or a terminal adapter of a provider which is a connection service company. The modem 3 is connected to a server 4 which is a computer of the provider.

[0004] The server 4 is always connected to the Internet 6 via a router 5 for setting a relay route. The personal computer 7 makes a call when necessary and connects to the Internet 6 via the provider server 4 (dial-up connection). Recently, an information display device that can connect to the Internet 6 in place of the personal computer 7 and display various information of the Internet on its screen has been proposed.

The connection between the information display device and the Internet is, for example, as shown in FIG. In this connection example, the information display device 1 remotely operated by the remote control device 20a is connected to the telephone line 2. The information display device 1 has a built-in modem. The telephone line 2 is connected to a modem 3 or a terminal adapter of a provider which is a connection service company, and the modem 3 is connected to a server 4 which is a computer of the provider.

[0006] The server 4 is always connected to the Internet 6 via a router 5 for setting a relay route. When the remote control device 20a is operated from the information display device 1, a telephone call operation is automatically performed, and the information display device 1 is connected to the Internet 6 via the server 4 of the provider (dial-up connection).

[0007]

[Problems to be solved by the invention]
There is a frame function of setting a plurality of frames in one window and displaying different pages in each of the plurality of frames. When a home page using the frame function is displayed on a personal computer, for example, as shown in FIG. Scroll bar 5 for scrolling one frame for every plural frames on the screen
2 is displayed, and even if scrolling is performed by pointing the scroll bar 52 with the cursor 53 in one of a plurality of frames, the other frames are not affected.

When a home page using such a frame function is displayed on the information display device 1 described above, 1
Since the amount of information that can be displayed on the screen is smaller than that of a personal computer, one of a plurality of frames on the screen is displayed.
The amount of information that can be displayed in one frame is small, making it hard to see. In addition, since the information display device 1 is operated by moving a cursor by a remote control device, it is difficult to use a scroll bar as in a personal computer using a mouse.

Further, in order to perform display in the same manner as a personal computer, a memory for storing information for the number of frames is required, and the same display is performed by the information display device 1 having a small capacity of the mounted memory. It is difficult. The present invention has been made in view of the circumstances described above,
It is an object of the present invention to provide an information display device that makes it easy to view a home page using a frame function.

[0010]

SUMMARY OF THE INVENTION The present invention relates to an information display apparatus for displaying a video signal in a video signal on a screen, taking in data from a computer network, converting the data into a video signal, and displaying the video signal on a screen. A plurality of frames set in one window, a receiving unit for receiving an information page using a frame function of displaying different pages in each of the plurality of frames, and a plurality of frames of the information page received by the receiving unit. Display means for dividing and displaying on one screen, and distinguishing means for distinguishing one frame among a plurality of frames displayed by the display means from other frames. It is an information display device.

[0011] In this information display device, the receiving means sets a plurality of frames in one window, receives an information page using a frame function of displaying different pages in each of the plurality of frames, and the display means. The plurality of frames of the received information page are divided and displayed on one screen. Then, the distinguishing unit distinguishes and shows one selected frame from the displayed plurality of frames from other frames. This allows the user to know in which frame various operations using the cursor are possible.

[0012] Further, there is further provided a selection means for selecting any one of the plurality of frames displayed by the display means,
The information display device is characterized in that the discriminating means indicates one frame selected by the selecting means so as to be distinguished from other frames.

In this information display device, the selection means selects any one of the plurality of frames displayed by the display means, and the distinguishing means shows the selected one frame as distinguished from other frames. . Thus, the user can select one of the plurality of frames displayed by the display unit, and various operations using the cursor, such as scrolling and jumping to a link destination, can be performed in the selected frame.

Further, the information display device further comprises scroll operation means for scrolling the display contents of the frame selected by the selection means independently of the display contents of other frames.

[0015] In this information display device, the scroll operation means scrolls the display content of the frame selected by the selection means independently of the display content of the other frames, so that the display content of an arbitrary frame is scrolled. be able to.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings showing an embodiment. FIG. 1 is an explanatory diagram for explaining an example of connection between the information display device according to the present invention and the Internet. In this connection example, the information display device 1a remotely operated by the remote control device 20a
Is connected to the telephone line 2. In the information display device 1a,
Has a built-in modem. The telephone line 2 is connected to a modem 3 or a terminal adapter of a provider which is a connection service company, and the modem 3 is connected to a server 4 which is a computer of the provider.

The server 4 is always connected to the Internet 6 and is connected to the Internet 6 via a router 5 for setting a relay route. When the remote control device 20a is operated from the information display device 1a, a telephone call operation is automatically performed, and the information display device 1a connects to the Internet 6 via the provider server 4 (dial-up connection).

The configuration of the information display device 1a is as shown in the block diagram of FIG. 2 (sound-related information is omitted).
A television wave received by the antenna 10a is selected by the tuner 10, and a video signal of the selected television wave is detected by the video intermediate frequency / detection circuit 11. From the detected video signal, a luminance signal Y and color difference signals BY and RY are extracted by a video chroma processing unit 12.

The extracted luminance signal Y and color difference signal B-
The video signal processor 13 converts Y, RY into red, green, and blue color signals R, G, and B, respectively. The color signals R, G, and B are supplied to an RGB matrix 15 via the switching unit 14 and output to the CRT 17 for each color. The video signal detected by the video intermediate frequency / detection circuit 11 is also supplied to a sync separation / deflection processing unit 16 to extract a vertical sync signal and a horizontal sync signal. The extracted vertical synchronizing signal and horizontal synchronizing signal are supplied to the CRT 17 and used as a screen scanning synchronizing signal.

On the other hand, the Internet processing unit 22 connected to the communication line 24 converts red, green and blue color signals R, G, B of a video signal from data supplied via the communication line 24.
Are extracted, and these color signals R, G, and B are supplied to the RGB matrix 15 via the switching unit 23, and CR signals are output for each color.
Output to T17. When displaying only the screen of the Internet, the Internet processing unit 22 independently creates a vertical synchronization signal and a horizontal synchronization signal, and the vertical synchronization signal and the horizontal synchronization signal are supplied to the CRT 17 and used as screen synchronization signals. used.

The tuning CPU 20 outputs a tuning instruction signal to the tuner 10 in accordance with an instruction from the remote control device 20a such as an optical signal, a radio signal or the like, transmits and receives signals to and from the Internet processing unit 22, and displays information. The operation of the device 1a is controlled. Further, if necessary, an instruction signal is also output to the on-screen display control unit 21 so that the video signal is supplied from the on-screen display control unit 21 to the RGB matrix 15.

FIG. 3 is a block diagram showing a configuration example of the Internet processing unit 22. Internet processing unit 22
Is a CPU 3 that controls the entire Internet processing unit 22
1, a flash memory 34 for storing a program that can be updated at a later date, and an RO for storing data and programs that will not be updated at a later date, such as font data.
M32 and a working RAM 33 are provided.

The Internet processing unit 22 also selects a channel selection CPU I / F (interface) 35 for connecting to the channel selection CPU 20, an image memory 40 in which video signals are written and read, and writes the video signals to the image memory 40. An image processing unit 39, a serial I / F 37, an I / O port 30a, a serial I / F 38 for connecting to an external personal computer or the like, a keyboard I / F 36 for connecting to a keyboard, , A modem 50 connected to the communication line 24,
TA (terminal adapter) for connecting to SDN line
51, the image memory 40, the switching unit 23, the RG
A D / A conversion unit 41 connected to a video processing unit such as the B matrix 15; The serial I / F 37 is connected to one of the modem 50 and the TA 51 as necessary.

Hereinafter, the information display device 1 having such a configuration will be described.
The operation of a will be described. When the mode for operating as a normal television is designated by the channel selection control unit 20, the information display device 1a transmits the television wave received by the antenna 10a to the channel selection control unit 20.
Is selected by the tuner 10 in accordance with the instruction from. The selected television wave is transmitted to the video intermediate frequency / detection circuit 11.
The video chroma processing unit 12 extracts a luminance signal Y and color difference signals BY and RY from the detected video signal.

The extracted luminance signal Y and color difference signal B-
The video signal processor 13 converts Y, RY into red, green, and blue color signals R, G, and B, respectively. The color signals R, G, and B are supplied to an RGB matrix 15 via the switching unit 14 and output to the CRT 17 for each color. From the video signal detected by the video intermediate frequency / detection circuit 11, a vertical synchronization signal and a horizontal synchronization signal are extracted by a sync separation / deflection processing unit 16. The extracted vertical synchronizing signal and horizontal synchronizing signal are supplied to the CRT 17, and are used as synchronizing signals when the respective color signals R, G, B are scanned on the screen.

When the mode of operating the information display device 1a as the information display device 1a is designated by the channel selection control unit 20, the CPU 31 is interrupted. C
When the PU 31 is interrupted, the PU 31 reads the video signal for one screen of the initial screen from the flash memory 34, and
Set to M33. Further, the CPU 31 outputs a switching signal via the I / O port 30a, stops the output from the switching unit 14, and switches the input to the RGB matrix 15 only from the switching unit 23 and the on-screen display control unit 21. You.

The image processing section 39 activates the built-in DMA controller of the CPU 31 every time a horizontal synchronizing signal is given by the built-in clock,
The color signals R, G, and B of the video signal for one scanning line are read from 33 and supplied to the image memory 40. The image memory 40 writes and reads out each of the color signals R, G, and B based on the timing of a clock incorporated in the image processing unit 39. Each read color signal R, G, B
Are supplied to the RGB matrix 15 via the switching unit 23 and output to the CRT 17 for each color.

As a result of the above operation, an initial screen as shown in FIG. 4 is displayed on the display screen of the CRT 17. The operator can change the picture (icon) of “Shop information”, “Travel / tourism”, “News”, “Learning”, “Amusement”, “Regional and corporate information”, “Original”, “Search”, and “Email” When the user operates the remote control device 20a from the inside and selects and decides, for example, a picture of “Travel / Sightseeing”, the Internet processing unit 22 executes
A “Travel / Sightseeing” selection screen as shown in FIG. 5 is displayed. Hereinafter, similarly, each time a selection is made and determined on the selection screen, a similar lower selection screen in which options are arranged in a tree shape is displayed. That is, when performing horizontal or vertical display scrolling on the selection screen, the cursor 46 is moved to the upper, lower, left and right ends on the display screen by operating the remote control device 20a, and the cursor 46 is moved in the direction in which the screen is to be scrolled. By operating, the display can be scrolled.

The remote control device 20a has a selection button (43) at the right end of the upper surface, a decision button (44) at the left end, and various types of buttons at the center, like a picture 42 displayed at the bottom of the initial screen (FIG. 4). An operation button (45) is provided. Operation buttons (4
5) shows an arrangement of a plurality of frames of a home page, which is an information page using the frame function, and calls an arrangement diagram (frame map) indicating the position of the frame displayed on the screen in the arrangement on the screen. An operation button (45a) for displaying is also provided. Also, a frame switching button (45b) for displaying all frames on one screen is provided. The selection button (43) is capable of freely moving the position of the pointer or cursor or the like of the "pointing hand" in eight directions, and is a picture overlapping the pointer or cursor or the like when the determination button (44) is operated. Items (including button-shaped pictures) or character strings are selected and determined.

When the selection is determined on the selection screen and the search proceeds, a picture related to the searched item is read out from the flash memory 34 and displayed on the display screen. When the operator operates the remote control device 20a to make a selection from this picture, the CPU 31 reads out the telephone number of the server 4 of the provider and performs a telephone calling operation.
The server 4 of the provider and the Internet processing unit 22 are connected. When connected to the server 4 of the provider, the URL corresponding to the picture determined and determined is called and connected.

When the data of the connected URL home page is transmitted via the communication line 24 and the modem 50,
The CPU 31 converts this data into a video signal and
Set to 3. The video signal set in the RAM 33 is displayed on the display screen as in the case of the initial screen. To call a URL that has not been registered, use the cursor 4 on the menu screen (menu bar) of the browser displayed at the top of the screen as shown in FIG.
6, and the URL is input.

FIG. 7 is a flowchart showing a display operation when accessing a homepage using the frame function. When the CPU 31 receives the homepage data and starts the display operation of the frame function (S10),
The first frame to be scanned and displayed (the frame at the upper left corner of the screen) is displayed on the entire screen (S12). The frame displayed first may be arbitrary. At this time, CPU
31 displays a frame map 47, which is a layout diagram of frames, at a predetermined position on the screen, as shown in FIG. In the frame map 47, the frame 47b being displayed on the screen is highlighted (S14).

In the state (S14) described above, the highlighted frame 47 is displayed on the frame map 47.
When the cursor 46 is moved to a frame other than b and the enter button 44 is pressed down (operated) and that frame is selected (S16), the CPU 31 displays the selected frame on the entire screen (S16). S18). At this time, the frame map 47 is not displayed (S20). Thus, when the user views the information displayed in the selected frame, the frame map 47 does not interfere.

In the state (S20) described above, the cursor 46 is moved to a "frame map call button" (menu) for displaying a frame map 47 provided on a menu bar as shown in FIG. When the enter button 44 is pressed down (operated) and the “frame call button” is selected (S22), the CPU 31 displays the frame map 47 at a predetermined position on the screen. Note that the CPU 31 also displays the frame map 47 at a predetermined position on the screen when the operation button (45a) of the remote control device 20a is operated.

The frame map 47 may have a display system in which the screen when displayed on a personal computer is reduced. However, in order to reduce the memory capacity, as shown in FIG. U if not
RL) may be displayed in the frame.

In the above-described operation, one frame is displayed on the entire screen. However, the information display device 1a can display all frames of the homepage using the frame function on the entire screen. FIG. 11 is a flowchart showing an operation in a mode in which all frames are displayed on the entire screen. When the frame switching button (45b) is operated in the mode of displaying one frame on the entire screen described above, the CPU 31 switches to a mode of displaying all frames on the entire screen (S24).
As shown in FIG. 10, all frames of the home page using the received frame function are displayed on the entire screen (S26). In this example, three frames 48a-4
8c is displayed on one screen.
The display of a is started, then the display of the frame 48b and finally the display of the frame 48c.

The frames 48a to 48c are surrounded by gray frame frames 49a to 49c, respectively. CPU3
When the display of all the frames 48a to 48c is started, the cursor 1 moves the cursor 46 to the frame 48c whose display has been started last (S28). Here, the frame 48c where the cursor 46 is located becomes the selected frame, and the frame 49c is changed to red (S30).

At this time, the cursor 46 moves to the frame 48
By moving the cursor 46 to any one of the upper, lower, left, and right directions of the frame frame 49c for which the screen is to be scrolled, and further operating to move in that direction, the display content of the frame 48c is displayed. The horizontal / vertical scroll operation is enabled (S32).

Here, when the frame switching button (45b) is operated (S34), the CPU 31 returns to the frame 48c.
Is released, and the red display of the frame 49c is stopped. Thereafter, the cursor 46 moves to the frame 48
It is possible to move not only inside but also on the entire screen (S36). In this state, the scroll operation is not performed in any frame regardless of how the position of the cursor 46 is operated (S36).

Thereafter, only the frame where the cursor 46 is located changes its frame frame to blue in accordance with the position where the cursor 46 is moved. The frame of the frame where the cursor 46 is not located is displayed in gray (S38). Therefore, when the cursor 46 is on the menu bar, all the frame frames 49a to 49c are displayed in gray (S38).

Here, when the cursor 46 is positioned on any frame, the remote control device 2
When the 0a determination button (44) is operated (S40), the frame is selected (S30), and the above-described operation is repeated. When the operation button (45a) is operated in the above-described mode in which all frames are displayed on the entire screen, the CPU 31 switches to the mode in which one frame is displayed on the entire screen.

[0042]

According to the information display apparatus of the present invention, the user can know in which frame various operations using the cursor can be performed. Also, the user
One of a plurality of frames displayed by the display means can be selected, and various operations using a cursor, such as scrolling and jumping to a link destination, can be performed in the selected frame. Furthermore, the display content of an arbitrary frame can be scrolled.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram illustrating an example of connection between an information display device according to the present invention and the Internet.

FIG. 2 is a block diagram showing a configuration of an information display device according to an embodiment of the present invention.

FIG. 3 is a block diagram illustrating a configuration example of an Internet processing unit.

FIG. 4 is an explanatory diagram for explaining an initial screen of the Internet.

FIG. 5 is an explanatory diagram for explaining a selection screen of “travel / sightseeing”.

FIG. 6 is an explanatory diagram for explaining a menu screen of a browser.

FIG. 7 is a flowchart illustrating an operation of the information display device.

FIG. 8 is an explanatory diagram for explaining an operation of the information display device.

FIG. 9 is an explanatory diagram for explaining a frame map.

FIG. 10 is an explanatory diagram for explaining an operation of the information display device according to the present invention.

FIG. 11 is a flowchart showing the operation of the information display device according to the present invention.

FIG. 12 is an explanatory diagram for explaining the Internet.

FIG. 13 is an explanatory diagram for explaining a display screen using a scroll bar of a personal computer.

[Explanation of symbols]

 1a Information display device 14, 23 Switching unit 17 CRT 20 Tuning CPU 20a Remote control device 22 Internet processing unit 24 Communication line 31 CPU 32 ROM 33 RAM 34 Flash memory 39 Image processing unit 40 Image memory 45a Operation button 45b Frame switching button 46 Cursor 47 Frame map 47a Frame map call button (menu) 48a to 48c Frame 49a to 49c Frame frame 50 Modem

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) G09G 5/14 G09G 5/14 A 5/34 5/34 Z H04N 5/44 H04N 5/44 Z 5 / 45 5/45 7/173 630 7/173 630 F term (reference) 5B069 AA01 BA03 BB14 CA07 CA14 5C025 AA30 BA14 BA25 BA28 CA06 CA09 CB10 DA05 5C064 BA07 BB10 BC18 BC23 BD02 BD08 5C082 AA02 AA21 BA02 BA12 BB01 BB01 BB01 86 MM10 5E501 AA02 AB15 BA03 CA03 CB07 EA14 EA17 FA06 FA09 FA47 FB28 FB32 FB43

Claims (3)

[Claims] 1. An information display device for displaying a video signal in a video signal on a screen, capturing data from a computer network, converting the data into a video signal and displaying the video signal on a screen, wherein a plurality of frames are set in one window. Receiving means for receiving an information page using a frame function of displaying different pages in each of the plurality of frames; and displaying a plurality of frames of the information page received by the receiving means on one screen And a selected one of a plurality of frames displayed by the display means.
An information display device, comprising: a discriminating means for indicating one frame separately from another frame. 2. The image processing apparatus according to claim 1, further comprising a selection unit configured to select any one of the plurality of frames displayed by the display unit, wherein the distinguishing unit distinguishes the one frame selected by the selection unit from another frame. The information display device according to claim 1, which is shown separately. 3. The apparatus according to claim 2, further comprising scroll operation means for scrolling the display contents of the frame selected by said selection means independently of the display contents of other frames.
Information display device as described.