JPH1051704A - Internet television - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a waste of a telephone rate while a telephone line is connected to an internet as it is by providing a first clock means clocking time during standing-by until a system is connected with a computer through a telephone line and during a period when it is connected to it and a time display means displaying time when a first clock means clocks on a screen. SOLUTION: When a screen from an internet processing part is displayed, CPU 50 of a station selection micro computer 20 resets and starts a second timer 57 when the connection of a communication line completes and starts clocking for six minutes. When a key related to the internet is not operated until a second timer 57 clocks for six minutes, CPU 50 displays the alarm of 'line is to be cut' at the lower end part of the screen related to the internet. When screen switching is not displayed, CPU 50 operates a switching circuit and starts the screen display of a television program.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an Internet television for displaying a video signal in a video signal on a screen, capturing data from the Internet through a telephone line, converting the data into a video signal, and displaying the video signal on the screen. is there.

[0002]

2. Description of the Related Art The Internet is a 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. 19 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.

[0006] The server 4 is connected to the Internet 6 for 24 hours, and is connected to the Internet 6 via a router 5 for setting a relay route. The personal computer 7 makes a telephone call when necessary, and connects to the Internet 6 via the server 4 of the provider (dial-up connection). Recently, there has been proposed an Internet television capable of connecting to the Internet 6 in place of the personal computer 7 and displaying various information of the Internet on a screen thereof.

[0005]

SUMMARY OF THE INVENTION The applicant of the present invention has simultaneously connected an Internet television capable of displaying a television program on a screen while being connected to the Internet 6 through a telephone line, and simultaneously displays the television program and the Internet screen. Filed for Internet television that can be displayed.

However, when a television program is displayed on the screen while the telephone line is connected to the Internet 6, the operator may forget that the telephone line is connected to the Internet 6, and Even when a screen related to the Internet 6 is displayed, the user may forget that the telephone line is connected to the Internet 6 and the telephone charge may be wasted. Further, when the television program is ended while the television program and the Internet screen are displayed at the same time, it is better to display the Internet screen on the entire display screen.

[0007] The present invention has been made in view of the above circumstances, and in the first to fourth inventions, the Internet television which does not waste telephone charges while keeping the telephone line connected to the Internet. The purpose is to provide. According to the fifth and sixth aspects of the invention, there is provided an Internet television that automatically displays the Internet screen on the entire display screen when the television program is finished in a state where the television program and the Internet screen are simultaneously displayed. The purpose is to:

[0008]

An Internet television according to a first aspect of the present invention displays a video signal in a video signal on a screen, and receives data from a computer connected to the Internet via a telephone line. It is converted into a video signal and displayed on a screen, and is also in a standby state until it is connected to the computer through the telephone line and / or
Or an Internet television that can be switched from a video signal related to the Internet displayed on the screen to a video signal in the video signal during a period in which the computer is connected to the computer, and It is characterized by comprising: first time measuring means for measuring time since connection with the computer; and time display means for displaying the time measured by the first time measuring means on the screen.

[0009] In this Internet television, the first timing means measures the time since the connection to the computer via the Internet via the telephone line. Then, regardless of whether the video signal displayed on the screen is a video signal related to the Internet or a video signal in the video signal, the time display means displays the time measured by the first clock means on the screen. . Thus, the operator does not forget that the telephone line is connected to the Internet and does not waste telephone charges.

An Internet television according to a second aspect of the present invention is characterized in that the telephone line is disconnected when an operation related to the Internet is not performed before the first time measuring means measures a predetermined time. .

In this Internet television, if an operation related to the Internet is not performed until the first time measuring means for measuring the time after connecting to the computer through the telephone line measures the predetermined time, the telephone is set to the telephone. Disconnect the line. Thus, even if the operator forgets that the telephone line is connected to the Internet, the telephone charge is not wasted.

[0012] In the Internet television according to the third aspect of the invention, every time an operation related to the Internet is performed,
A second timing means for starting timing is provided, and if no operation related to the Internet is performed before the second timing means counts a predetermined time, the telephone line is disconnected.

[0013] In this Internet television, the second timing means starts timing each time an operation related to the Internet is performed. If the operation related to the Internet has not been performed before the second timer measures the predetermined time, the telephone line is disconnected. Thus, even if the operator forgets that the telephone line is connected to the Internet, the telephone charge is not wasted.

An Internet television according to a fourth aspect of the present invention is characterized in that before disconnection of the telephone line, disconnection of the telephone line is displayed on the screen for a predetermined time.

In this Internet television, the first time measuring means or the second time measuring means measures a predetermined time and displays on the screen that the telephone line is to be disconnected for a predetermined time before the telephone line is disconnected. Thus, even if the operator forgets to connect the telephone line to the Internet,
You can notice it and do not waste your telephone bill.

An Internet television according to a fifth aspect of the present invention displays a first video signal in a video signal on a screen,
In addition, data is taken from the Internet via a telephone line, converted into a second video signal, and displayed on a screen.
An Internet television for synchronizing with a synchronizing signal in the video signal, compressing the first and second video signals in the horizontal direction of the screen, and combining them horizontally and horizontally and displaying them on the screen, wherein the first and second video signals are displayed. Detecting the presence or absence of the synchronization signal when the two video signals are combined side by side and displaying them on a screen; and when the detection means does not detect the synchronization signal, Display means for displaying a video signal on the entire screen.

In this Internet television, when the first and second video signals are combined side by side and displayed on a screen, the detection means detects the presence or absence of a synchronization signal included in the video signal. When the detecting means does not detect the synchronization signal, the display means displays the second signal.
Is displayed on the entire screen. Thus, when the television program is ended while the television program and the Internet screen are displayed at the same time, the Internet screen can be automatically displayed on the entire display screen.

According to a sixth aspect of the present invention, when the display means displays the second video signal on the entire screen, the display means displays on the screen that the video signal is no longer received. Features. This allows the Internet screen to be automatically displayed on the entire display screen when the television program ends when the television program and the Internet screen are simultaneously displayed, and the operator is notified of the termination. can do.

[0019]

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 illustrating an example of connection between the Internet television and the Internet according to the present invention. In this connection example, an Internet television 1 remotely operated by a remote control device 20a is connected to a telephone line 2. The Internet television 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.

The server 4 is connected to the Internet 6 for 24 hours, 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 Internet television 1, a telephone call operation is automatically performed, and the Internet television 1 connects to the Internet 6 via the server 4 of the provider (dial-up connection).

FIG. 2 is a block diagram showing the main configuration of an embodiment of the Internet television according to the present invention (sound-related matters are omitted). In the Internet television 1, a television signal received by an antenna 10 a is selected by a tuner 10, and a video signal of the selected television signal is detected by a video intermediate frequency / detection circuit 11. The detected video signal is converted by the video chroma processing unit 12 into a luminance signal Y and color difference signals BY, R.
-Y is extracted.

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.

The color signals R, G, and B converted by the video signal processing unit 13 are transmitted to the TV
It is provided to the video horizontal compression unit 18. The TV video horizontal compression section 18 has a line memory for storing a video signal for each scanning line, and has a frequency of 4 fsc (fsc = frequency of the color subcarrier) which is a multiplication frequency of the horizontal synchronization signal supplied from the synchronization separation / deflection processing section 16. ) Is generated and the video signal is written. When reading a video signal, a read clock having a frequency of 8 fsc, which is twice the write clock, is created, read out, and given to the video left / right synthesizing unit 19.

On the other hand, the Internet processing unit 22 connected to the communication line 24 converts red, green, and blue color signals R, G, and 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.

When there is an instruction from the remote control device 20a, the Internet processing unit 22 performs DMA at the timing of creating based on the horizontal synchronization signal and the vertical synchronization signal given from the TV video horizontal compression unit 18, A video signal is written and read by a read clock having a frequency of 8 fsc line-locked to the horizontal synchronization signal,
This is given to the video left / right synthesizing unit 19 via the switching unit 23. Each color signal R, output by the Internet processing unit 22,
G and B are also provided to the video left / right synthesizing unit 19 via the switching unit 23. The video left / right synthesizing unit 19 synthesizes video signals supplied from the TV video horizontal compression unit 18 and the Internet processing unit 22 in the horizontal direction, and the synthesized video signal is supplied to the RGB matrix 15 and the CRT 17 is provided for each color. Is output to

The tuning microcomputer 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 or a radio signal, and sends and receives a signal to and from the Internet processing unit 22. Operate and control the Internet television 1. 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. The tuning microcomputer 20
Further, a switching signal for switching between a mode in which an Internet screen is displayed on the entire display screen and a mode in which a television program and an Internet screen are simultaneously displayed is provided by the switching units 14 and 2.
Output to 3.

FIG. 3 is a block diagram showing the configuration of the Internet processing unit 22. This Internet processing unit 2
2 indicates that the modem 41 connected to the communication line 24 is the CPU 3
The CPU 38 is connected to the RA via the bus 40
M37, ROM 39 and gate array 36 are connected. The RAM 37 stores an image signal of data obtained via the modem 41 and the like, and the ROM 39 stores a processing program of the Internet processing unit 22, an image signal of a screen unique to the Internet television 1, and the like.

The synchronizing signal generator 25 includes a clock generator 2
6, a vertical synchronization signal and a horizontal synchronization signal unique to the Internet processing unit 22 are created based on the clock output from
This is given to the gate array 36. The clock generator 26
A clock of fsc is created and supplied to the gate array 36.

The gate array 36 is supplied with a video FIFO 29 as a line memory and a vertical synchronizing signal and a horizontal synchronizing signal from the TV video horizontal compressor 18 or the synchronizing signal generator 25, and receives the TV video horizontal compressor 18 or a clock generator. 26, the video FIFO
29 and a vertical synchronizing signal and a horizontal synchronizing signal from the TV video horizontal compressing unit 18 or the synchronizing signal creating unit 25.
8 or a read control unit 28 which receives a read clock from the clock generator 26 and controls the read of the video FIFO 29.

The gate array 36 has an I / O port 1 for transmitting and receiving signals to and from the tuning microcomputer 20.
(31), an interrupt control unit 30 that outputs a signal from the I / O port 1 (31) and a vertical synchronization signal as an interrupt signal of the CPU 38, and an EEPROM 33 that stores a telephone number, an ID, a password, a communication history, and the like. And an I / O port 2 (32) for transmitting and receiving the data.

At the time of one-screen display, the synchronization signal generator 2
5 indicates that the field to be displayed next is Odd or Even.
Is output. In the case of the two-screen display, the read control unit 28 determines that the next field to be displayed is Odd based on the relationship between the given vertical synchronization signal and horizontal synchronization signal.
Or even, and the determination result is provided to the CPU 38 via the interrupt control unit 30 at the interrupt timing of the vertical synchronization signal. Each of the color signals R, G, and B read from the video FIFO 29 is finely colored by the color palette 35 and output to the switching unit 23.

FIG. 4 is a block diagram showing the configuration of the channel selection microcomputer 20. The tuning microcomputer 20 has a C connected to a first timer 52 as a first timer and a second timer 57 as a second timer.
The communication control unit 56 and the I / O
The O port 55, the RAM 54, and the ROM 53 are connected. The communication control unit 56 includes the remote control device 2
0a, and the I / O port 55 is connected to the tuner 1
0, individually connected to the on-screen display control unit 21, the Internet processing unit 22, and the like.

The operation of the Internet television 1 having such a configuration will be described below. The Internet television 1 is controlled by the channel selection microcomputer 20.
When a mode for operating as a normal television is designated, a television wave received by the antenna 10a is selected by the tuner 10 in accordance with an instruction from the tuning microcomputer 20. From the selected television wave, a video signal is detected by a video intermediate frequency / detection circuit 11, and from the detected video signal, a luminance signal Y and a color difference signal BY,
RY is extracted.

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 as the Internet television is designated by the channel selection microcomputer 20, the Internet television 1
38 is interrupted by the interrupt control unit 30. C
When the PU 38 is interrupted, the PU 38 reads an image signal for one screen of the initial screen from the ROM 39 and sets the read image signal in the RAM 37. Further, the clock generator 26 outputs a clock and supplies the clock to the write control unit 27 and the read control unit 28.
Further, the tuning microcomputer 20 outputs a switching signal, 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.

The interrupt control unit 30 activates the DMA controller built in the CPU 38 every time the horizontal synchronization signal is supplied from the read control unit 28 and
37, the respective color signals R, G, B of the video signal for one scanning line are read out and supplied to the video FIFO 29. Video FIF
In O29, each of the color signals R, G, and B is written by the write control unit 27 with a write clock of 8 fsc, respectively, and read out at the timing generated by the read control unit 28, and the read color signals R, G, and B are switched. Part 23
Is supplied to the RGB matrix 15 via the CRT 17 and output to the CRT 17 for each color.

The synchronizing signal generator 25 supplies a vertical synchronizing signal and a horizontal synchronizing signal to the CRT 17 when displaying one screen, and these are used as synchronizing signals when the respective color signals R, G, B are scanned on the screen. .

At this time, the DMA controller starts displaying on the display screen of the CRT 17 as shown in FIG.
From the line before (upper right in FIG. 5), each color signal R, G, B of the video signal is read from the RAM 37 by DMA,
During the period of the invalid display area B not displayed on the display screen 17 (horizontal retrace period), the writing to the video FIFO 29 is completed, and during the period of the effective display area A displayed on the display screen of the CRT 17, read control is performed. Section 28 is a video FIFO
Reading from the memory 29 is performed.

Further, at the interrupt timing of the vertical synchronizing signal, the synchronizing signal creation section 25 gives an output of whether the field to be displayed next is Odd or Even to the CPU 38 by interrupt processing. The CPU 38 sets the address of the video signal to be read in the RAM 37 in the DMA controller according to the result.

As a result of the above operation, an initial screen as shown in FIG. 6 is displayed on the display screen of the CRT 17. The operator can change the picture (icon) of “Shop information”, “Travel / sightseeing”, “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. 7 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.

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. 6). An operation button (45) is provided. The selection button is
The position of the "pointing hand" pointer or cursor can be freely moved in eight directions, and a picture (including a button-shaped picture) or a character that overlaps the pointer or cursor when the enter button is operated Items displayed in columns are selected and determined.

When the selection is determined on the selection screen and the search proceeds, the picture related to the searched item is stored in the ROM 39 and the E.
The data is read from the EPROM 33 and displayed on the display screen. The operator operates the remote control device 20a,
When a selection is made from this picture, the CPU 38
The telephone number of the server 4 of the provider is read from the ROM 33, and a telephone call operation is performed, so that the server 4 of the provider and the Internet processing unit 22 are connected. When connected to the server 4 of the provider, a 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 41,
The CPU 38 converts this data into an image signal and
Set to 7. The image signal set in the RAM 37 is displayed on the display screen in the same manner as in the case of the initial screen. To call a URL that has not been registered, the user selects and determines “URL input” on the menu screen of the browser, which will be described later, and inputs the URL. During the call operation of the telephone and the URL, the menu screen of the browser as shown in FIG.
"Connecting to provider" as shown in (a) and Fig. 1
"Line connection" and "Address searching" as shown in 3 (b)
Is displayed.

Here, for example, when an initial screen (FIG. 6) is displayed and a mode for simultaneously displaying a normal television program and an Internet screen is designated by the channel selection microcomputer 20, In the Internet television 1, the CPU 38
Interrupt. At this time, the tuning microcomputer 20 outputs a switching signal, and switches the output from the switching unit 14 and the output from the switching unit 23 to the TV video horizontal compression unit 18, respectively.

In the Internet television 1, the video signal processing section 13 outputs red, green and blue color signals R, G,
The color signals R, G, and B converted to B are supplied to the TV video horizontal compression unit 18 via the switching unit 14. The TV video horizontal compression section 18 creates a write clock of 4 fsc, which is a frequency multiplied by the horizontal synchronization signal supplied from the synchronization separation / deflection processing section 16, and thereby generates the respective color signals R, G, B of the video signal.
Write each. When reading each of the color signals R, G, B of the video signal, a read clock having a frequency of 8 fsc, which is twice the write clock, is generated.
B is read from the start end of the scanning line, and is supplied to the video left / right synthesizing unit 19.

On the other hand, the Internet processing unit 22 specifies a mode for simultaneously displaying a normal television program and an Internet screen, and when the CPU 38 is interrupted, the image signal for one screen of the initial screen is read from the ROM 39. Is read and set in the RAM 37, and the synchronizing signal generator 25 and the clock generator 26 are stopped. Then, the Internet processing unit 22 is supplied with a vertical synchronization signal, a horizontal synchronization signal, and a clock of 8 fsc from the TV video horizontal compression unit 18.

The interrupt control unit 30 activates the DMA controller incorporated in the CPU 38 every time the horizontal synchronization signal is supplied from the read control unit 28,
37, the respective color signals R, G, B of the video signal for one scanning line are read out and supplied to the video FIFO 29. Video FIF
In O29, each of the color signals R, G, and B is written at the timing generated by the write control unit 27, and the read control unit 28 reads the video signal from the timing of the middle point of the scanning line by the read clock of 8 fsc. The read-out color signals R, G, and B are read out by the switching unit 23.
Is provided to the video left / right synthesizing unit 19 via

The video left / right synthesizing unit 19 synthesizes the video signals supplied from the TV video horizontal compression unit 18 and the Internet processing unit 22 in the horizontal direction, and the synthesized video signal is supplied to the RGB matrix 15 and Every C
Output to RT17. As a result, as shown in FIG. 8, a normal television program is displayed on the left half of the display screen, and an Internet screen is displayed on the right half. This is possible not only for the initial screen of the Internet, but also for any screen of the Internet.

FIG. 12 is a flowchart showing the operation of the CPU 38 when the television broadcast ends in a mode in which a normal television program and an Internet screen are simultaneously displayed. The interrupt control unit 30
When the vertical synchronizing signal and the horizontal synchronizing signal are not supplied from the read control unit 28, it is determined that the television broadcast has ended, and this is notified to the CPU 38 by an interrupt (S64). The CPU 38 operates the clock generator 26 and the synchronizing signal generator 25 in response to the notification (S6).
6, 68), the write control unit 27 and the read control unit 28 are supplied with a vertical synchronization signal, a horizontal synchronization signal, and a clock.

Next, the CPU 38 notifies the tuning microcomputer 20 of this fact, causes the tuning microcomputer 20 to output a switching signal, stops the output from the switching unit 14, and stops the output from the switching unit 23. The display is switched to the RGB matrix 15, and the Internet screen is displayed on the entire display screen (S70). Next, the CPU 38
Is displayed on the channel selection microcomputer 20 through the on-screen display 21 in the same manner as shown in FIG. 14A (however, the TV screen is replaced by an Internet screen). A warning (caution) such as "John broadcasting has ended" is displayed (S72). The other operations of the Internet television 1 are the same as those in the above-described mode of operating as a normal television and in the mode of displaying the Internet screen on the full display screen, and a description thereof will be omitted.

FIGS. 9 to 11 show the CPU 38 and the channel selection microcomputer 2 after the Internet button is operated.
11 is a flowchart illustrating an operation relating to a display screen of a CPU 50 of No. 0. Below, based on this flowchart,
The operation of the display screens of the CPUs 38 and 50 will be described.
When the Internet button of the remote control device 20a is operated (S10), the CPU 50 switches the switching circuit 1
Then, a switching signal is output to 4, 23 to start screen display from the Internet processing unit 22 (S12).

When the URL is selected or input and the connection operation of the communication line (telephone line) 24 is started (S1).
4), when the screen switching mode during the connection operation is set to the automatic mode in the tuning microcomputer 20 (S16), the CPU 50 switches the switching circuits 14 and 23.
To start the screen display of the television program (S18).

When the connection of the communication line 24 is completed (S2
0), the CPU 50 resets and starts the first timer 52, and displays the time measured by the first timer 52 on the screen, for example, in units of one minute through the on-screen display 21 (S21). Next, when data of the called URL home page is transmitted via the communication line 24 and the modem 41, the CPU 38 converts the data into an image signal and sets the image signal in the RAM 37. The image signal set in the RAM 37 is displayed on the display screen as in the case of the initial screen (S22).

When the screen switching mode during the connection operation is set to the manual mode in the tuning microcomputer 20 (S16), the CPU 50 returns to FIG.
The on-screen display 2 is displayed at the lower end of the basic diagram where the menu screen of the browser as shown in FIG.
Through "1,""providerconnection" as shown in FIG. 13 (a) and "line connection" as shown in FIG. 13 (b)
A message “address is being searched” is displayed (S30). In this state, when the connection of the communication line 24 is completed (S31), C
The PU 50 resets and starts the first timer 52, and displays the time measured by the first timer 52 on the screen, for example, in units of one minute through the on-screen display 21 (S33).

In this state, the remote control device 2
0a is operated and a screen switching instruction is issued (S3
2), the CPU 50 operates the switching circuits 14 and 23,
The screen display of the television program is started (S34).
In this state, when the connection of the communication line 24 is completed (S3
5) (If the connection has already been completed, the connection is not completed at this point, of course), the CPU 50 resets and starts the first timer 52, and displays the time measured by the first timer 52 on-screen. Through the display 21,
For example, it is displayed on the screen in units of one minute (S37). Then
The CPU 50 displays “line connected” on the lower end of the screen of the television program through the on-screen display 21 in the same manner as shown in FIG. 13 (S37).
a).

At this time, the CPU 50 resets and starts the second timer 57 (S39). When a predetermined time (for example, 6 minutes) has elapsed since the second timer 57 was started (S39), when the predetermined time (for example, 6 minutes) has elapsed (S41), the figure is displayed on the lower end of the screen of the television program through the on-screen display 21 for, for example, 1 minute. As shown in FIG. 13, a warning of "line disconnection" is displayed (S43). During this one minute, when the remote control device 20a is operated to instruct screen switching (S51), the CPU
50 operates the switching circuits 14 and 23 to start displaying a screen related to the Internet (S22). When the screen switching is not instructed (S51), the CPU 38
Disconnects the communication line (telephone line) (S42) and continues to display the television program or starts displaying the television program (S44).

After activating the second timer 57 (S3
9) Until a predetermined time (for example, 6 minutes) elapses (S4
1) When the remote control device 20a is operated,
When the screen switching is instructed (S36), the CPU 50
Operates the switching circuits 14 and 23 to start displaying a screen related to the Internet (S38). CPU5
0 indicates that screen switching has not been instructed (S32).
Continue to display screens related to the Internet,
Wait for the next instruction.

The connection of the communication line 24 is not completed (S3
5) When the remote control device 20a is operated,
When the screen switching is instructed (S36), the CPU 50
Operates the switching circuits 14 and 23 to start displaying a screen related to the Internet (S38). At this time, the message "provider connected" or "line connection""addresssearch" is displayed through the screen display 21 (S38). In this state, when the connection of the communication line 24 is completed (S45) (when the connection is already completed, the connection is not completed at this time, of course), C
The PU 50 resets and starts the first timer 52, and displays the time measured by the first timer 52 on the screen, for example, in units of one minute through the on-screen display 21 (S47).

When the screen is displayed from the Internet processing unit 22 (S22, S38), when the remote control device 20a is operated to instruct the screen switching (S22).
24), the CPU 50 operates the switching circuits 14 and 23 to start the screen display of the television program (S2).
6). At this time, the CPU 50
7 is reset and activated (S23). After activating the second timer 57 (S23), a predetermined time (for example, 6
(E.g., minutes) (S25), a warning of "line disconnection" is displayed at the lower end of the screen of the television program through the on-screen display 21 for one minute, for example, as shown in FIG. (S27).

During this one minute, when the remote control device 20a is operated to instruct the screen switching (S
29), the CPU 50 operates the switching circuits 14 and 23 to start displaying a screen related to the Internet (S22). When the screen switching is not instructed (S2
9) The CPU 38 disconnects the communication line (telephone line) (S42) and continues to display a television program,
Alternatively, the display of the television program is started (S44).

After activating the second timer 57 (S2
3) Until a predetermined time (for example, 6 minutes) elapses (S2
5) When the remote control device 20a is operated,
When the screen switching is instructed (S28), the CPU 50
Operates the switching circuits 14 and 23 to start displaying a screen related to the Internet (S22).

When the Internet button of the remote control device 20a is operated in the state of the screen display from the Internet processing unit 22 (S22, 38) (S4, S4).
0), the CPU 38 disconnects the communication line 24 (S4).
2), the CPU 50 operates the switching circuits 14 and 23,
The screen display of the television program is started (S44).

By the way, when the screen from the Internet processing unit 22 is displayed, the CPUs 38 and 50
The following operation is performed in addition to the operation described above. CPU 50
Indicates that the connection of the communication line 24 is completed when the screen from the Internet processing unit 22 is displayed (S5).
0), the second timer 57 is reset and started (S5).
2) When the button related to the Internet is operated (S56) until the second timer 57 measures, for example, six minutes (S54), the second timer 57 is reset and started again (S52). 6-minute timing starts (S5
4).

If the button related to the Internet has not been operated (S54) before the second timer 57 measures the time for 6 minutes (S54), the CPU 50 displays an on-screen display at the lower end of the screen related to the Internet. For example, for one minute, a warning of "line disconnection" is displayed through S21 as shown in FIG. 13 (S58).
During this one minute, when the remote control device 20a is operated and the screen switching is instructed (S59), the CP
U50 resets and starts the second timer 57 again (S52), and starts measuring time for 6 minutes (S54). When the screen switching is not instructed (S59), the CPU 3
8 disconnects the communication line (telephone line) (S60),
U50 operates the switching circuits 14 and 23 to start displaying the screen of the television program (S62).

FIG. 14A is an explanatory diagram of a browser menu screen displayed at the upper end of the display screen as necessary when an Internet screen is displayed. This menu screen is displayed from the left end as “Back”, “Forward”, “Reread”, “Image reread”, “URL input”, “URL registration”
Buttons with pictures indicating “stop”, “end”, “move down”, “move up”, “move left”, and “move right” are displayed.

When the pointer 46 is moved over any of the buttons by operating the selection button (43) of the remote control device 20a, the button extends downward and spreads as shown in FIG. It indicates that the button is selected. However, "Move Down", "Move Up", "Move Left"
Each button of "move right" does not extend downward and spread. Also,
When the button is selected and determined, when jumping to another screen, the pointer 46 changes to a "pointing hand" pointer 48 as shown in FIG.

When the decision button (44) of the remote control device 20a is operated in a state where the button extends and spreads downward and the button is selected, as shown in FIG.
The button is recessed for a moment, and becomes darker than usual when the button is normal, and the shade and highlight are reversed. This indicates that the button has been selected and determined. When the button is not associated with any operation, when the pointer 46 is moved over the button, the pointer 46 does not change as shown in FIG. Reverse and call attention.

FIG. 16 is another explanatory diagram of the menu screen of the browser. This menu screen shows a case where a large button related to the button is displayed together with the panel 47 when the button is selected and determined. At this time, the key cursor moves only on the large button by operating the selection button (43), and when the key cursor moves on the button, the button becomes brighter, indicating that the button is selected. (Panel 47). When the decision button (44) is operated in this state, the button is momentarily recessed to display that the button has been selected and determined (panel 47a).

FIGS. 17 and 18 are explanatory diagrams of the character palette. The character pallet is displayed when the "character input" button is selected and determined when character input such as "URL input" and e-mail creation is required. The character palette is
Buttons are assigned to characters, symbols, and operation items.
FIG. 17 shows a character palette of "alphanumeric characters / capital letters".
Indicates the character palette for "kanji conversion", and character palettes for "alphanumeric / lowercase", "hiragana", etc.
It is displayed when the operation item button is selected and determined as necessary.

In advance, the pointer is moved to a position where character input is required, and the enter button (44) is operated to change to a cursor display in a screen frame where character input is required. In this state, when the “character input button” is selected and determined, a character palette is displayed, and a “pointing hand” -shaped pointer is selected using the selection button (4).
By moving the button 3) by the operation of 3), the enter button (4
When the button 4) is operated, the button is depressed for a moment and the color is momentarily darkened, indicating that the button is selected and determined. The character corresponding to the selected button is displayed in the “input completed” field 49.
Are displayed in a frame that requires character input.

[0071]

According to the Internet television according to the first aspect of the present invention, the operator does not forget that the telephone line is connected to the Internet and does not waste telephone charges.

According to the Internet television of the second aspect, even if the operator forgets to connect the telephone line to the Internet, the telephone charge is not wasted.

According to the Internet television of the third aspect, even if the operator forgets that the telephone line is connected to the Internet, the telephone charge is not wasted.

According to the Internet television according to the fourth aspect of the present invention, even if the operator forgets that the telephone line is connected to the Internet, he / she can notice it,
No wasted phone charges.

According to the Internet television of the fifth invention, when the television program is ended while the television program and the Internet screen are simultaneously displayed, the Internet screen is automatically displayed on the entire display screen. Can be displayed.

According to the Internet television according to the sixth aspect of the invention, when the television program is terminated while the television program and the Internet screen are displayed simultaneously, the Internet screen is automatically displayed on the entire display screen. Can be displayed and the operator can be notified.

[Brief description of the drawings]

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

FIG. 2 is a block diagram showing a configuration of an embodiment of the Internet television according to the present invention.

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

FIG. 4 is a block diagram showing a configuration of a channel selection microcomputer.

FIG. 5 is an explanatory diagram illustrating an operation of transferring a video signal by a DMA controller.

FIG. 6 is an explanatory diagram for describing an initial screen of the Internet television according to the present invention.

FIG. 7 is an explanatory diagram for explaining a selection screen of “travel / sightseeing”.

FIG. 8 is an explanatory diagram for explaining a state in which a normal television program is displayed in the left half of the display screen and an Internet screen is displayed in the right half.

FIG. 9 is a flowchart showing an operation related to a display screen of a CPU after an Internet button is operated.

FIG. 10 shows a CPU after an Internet button is operated.
9 is a flowchart showing an operation relating to the display screen of FIG.

FIG. 11 shows a CPU after an Internet button is operated.
9 is a flowchart showing an operation relating to the display screen of FIG.

FIG. 12 is a flowchart illustrating an operation when a normal television program and a screen related to the Internet are displayed, respectively.

FIG. 13 is an explanatory diagram showing an example of caution / warning displayed on a screen.

FIG. 14 is an explanatory diagram illustrating a menu screen of a browser.

FIG. 15 is an explanatory diagram for explaining an operation of a button on a menu screen of a browser.

FIG. 16 is an explanatory diagram illustrating a menu screen of a browser.

FIG. 17 is an explanatory diagram illustrating a character palette.

FIG. 18 is an explanatory diagram illustrating a character palette.

FIG. 19 is an explanatory diagram illustrating an example of connection between a computer and the Internet.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Internet television 17 CRT 18 TV video horizontal compression part 19 Video left and right synthesis part 20 Tuning microcomputer 20a Remote control device 22 Internet processing part 24 Telephone line (communication line) 25 Synchronization signal creation part 26 Clock generator 27 Write control part 28 Readout control unit 29 Video FIFO 30 Interrupt control unit 37 RAM 38,50 CPU 52 First timer (first timer) 57 Second timer (second timer)

──────────────────────────────────────────────────続 き Continuation of the front page (51) Int.Cl. ⁶ Identification code Agency reference number FI Technical display location G09G 5/00 550 G09G 5/00 550B H04N 5/445 H04N 5/445 Z // H04M 11/08 H04M 11/08 15/00 15/00 Z

Claims (6)

[Claims] 1. A video signal in a video signal is displayed on a screen, data is fetched from a computer connected to the Internet through a telephone line, converted into a video signal, and displayed on the screen. The Internet that can switch from a video signal related to the Internet displayed on the screen to a video signal in the video signal while waiting for connection to the computer and / or during connection with the computer. A television, comprising: a first clock unit for measuring a time period after connecting to the computer through the telephone line; and a time display unit for displaying the time period measured by the first clock unit on the screen. Internet television featuring. 2. The Internet television according to claim 1, wherein the telephone line is disconnected when an operation related to the Internet is not performed before the first time measuring means measures a predetermined time. 3. Whenever an operation related to the Internet is performed, a second timer is provided for starting clocking, and an operation related to the Internet is not performed before the second clock measures a predetermined time. 3. The Internet television according to claim 1, wherein the telephone line disconnects the telephone line. 4. The Internet television according to claim 2, wherein the disconnection of the telephone line is displayed on the screen for a predetermined time before disconnecting the telephone line. 5. A method for displaying a first video signal in a video signal on a screen, capturing data from the Internet via a telephone line, converting the data into a second video signal, and displaying the second video signal on a screen. In synchronization with the synchronization signal of
What is claimed is: 1. An internet television for compressing a first and a second video signal in a horizontal direction of a screen and combining them horizontally and displaying them on a screen, wherein said first and second video signals are combined horizontally and horizontally. Detecting means for detecting the presence or absence of the synchronization signal, and display means for displaying a second video signal on the entire screen when the detection means does not detect the synchronization signal. Internet television, comprising: 6. The Internet television according to claim 5, wherein when the display means displays the second video signal on the entire screen, the fact that the video signal is no longer received is displayed on the screen.