JP2003101918A - Display terminal device having television broadcasting receiving function and computer system using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To video record and reproduce video without giving a large load to a computer in a simple use environment. SOLUTION: A display terminal device to a PC, etc., includes a TV tuner 3, an MPEG encoder 5, an MPEG decoder 6, and a DVD drive 22. A video/sound signal received by the TV tuner is subjected to compression processing with the MPEG encoder, recorded in the DVD drive, decompressed by the MPEG decoder and reproduced by a liquid crystal display panel 13 and a speaker 26. The DVD driver, the MPEG decoder and the MPEG encoder transmit and receive information to/from the PC through a USB cable. In the case the capacity of the DVD drive is not sufficient at recording, information is continuously stored in an HD inside the PC. On the liquid crystal display panel 13, video information generated by the PC and the video information stored in the DVD drive are paile displayed with picture-in-picture.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display terminal device having a television broadcast receiving function and a computer system using the same, and more particularly to a TV (television) tuner and an MPEG (Moving Picture E).
The present invention relates to a display terminal device having a television broadcast receiving function, which has a built-in compression / decompression means based on xperts Group), and a computer system capable of recording / reproducing video information such as television broadcast using the display terminal device. .

[0002]

2. Description of the Related Art Recently, there has been proposed a personal computer system in which a display terminal device having a TV tuner, an MPEG encoder (image compression means) and a USB interface is connected to a personal computer and an image decompression program is installed. . This personal computer system can compress and process a video signal received by a TV tuner by an MPEG encoder, and record / save it in a hard disk device built in the personal computer or an external hard disk device. it can. Further, this personal computer system decompresses the compression information of the video signal stored in the hard disk device by the image decompression program and outputs it to the display terminal device connected to the personal computer,
An image can be reproduced and displayed on a display panel provided in a display terminal device.

Further, there has been proposed a personal computer system in which a personal computer and a TV tuner as a peripheral device are connected and an image compression / decompression program is installed. This personal computer system uses T
The video signal received by the V tuner is compressed,
It is possible to record and save to a hard disk device built in the personal computer or a hard disk device external to the personal computer. Further, this personal computer system decompresses the compression information of the video signal stored in the hard disk device by the image decompression program and outputs it to the display terminal device connected to the personal computer, and the display panel provided in the display terminal device. The video can be played back and displayed on the.

For example, Japanese Patent Application Laid-Open No. 7-203342 proposes a video system for converting an image from a TV tuner into a digital signal and inputting it into a personal computer. In this video system, a DSP compresses a video signal received by a TV tuner, and a hard disk device built in a personal computer connected to the video system or a hard disk device externally attached to the personal computer. Can be recorded and saved in. Further, in this video system, the DSP can decompress the compression information of the video signal stored in the hard disk device and reproduce and display the video on the display device provided in the personal computer.

Further, Japanese Patent Laid-Open No. 8-138318 discloses a TV tuner, an MPEG encoder and an MPE.
A video signal recording / reproducing device provided with a G decoder (image decompressing means) has been proposed. This video signal recording and reproducing device
The MPEG encoder can compress the video signal received by the TV tuner and record / save it in the hard disk device. Further, this video signal recording / reproducing apparatus can decompress the compression information of the video signal stored in the hard disk device by the MPEG decoder and display it on the display device.

Further, Japanese Patent Laid-Open No. 11-134078 includes a TV tuner and an MPEG decoder,
A personal computer system capable of recording and reproducing video has been proposed. This personal computer system compresses a video signal received by a TV tuner by an image compression / decompression program installed in the personal computer, and a hard disk device built in the personal computer connected to the video system, or The data can be recorded and saved on the hard disk drive external to the personal computer. In addition, this personal computer system can decompress the compression information of the video signal stored in the hard disk device by the MPEG decoder or the image compression / decompression program, and reproduce and display the video on the display device provided in the personal computer. it can.

[0007]

In recent personal computer systems, AV (Audio V)
Along with the digitization of digital devices, AV devices such as cameras, video recorders, and TV tuners have been connected to personal computers. In a personal computer system to which such an AV device is connected, it is necessary to always activate the personal computer.

Further, when recording / reproducing an image by hardware such as an encoder and a decoder, it is necessary to attach a commercially available video board or the like to a personal computer, and the image is recorded / reproduced by software such as an image compression / decompression program. When doing so, there is a problem that the personal computer becomes a heavy load. For example, with a personal computer,
In order to perform the function and another data processing in parallel, the load becomes large.

Further, in the case of using a DVD drive in a personal computer not having a built-in DVD drive, it is necessary to connect an external DVD drive to the personal computer, and the personal computer is installed by a connecting cable or the like. There is a problem that the desk etc. will be messed up.

The present invention has been made to solve the above-mentioned problems of the prior art, and can record video / audio without giving a large load without attaching a commercially available video board to the computer. -A television broadcast reception function that can be played back, there is no risk of cluttering the desk or the like on which the personal computer is installed, and video / audio can be recorded / played back even on a personal computer that does not have an AV function. An object of the present invention is to provide a display terminal device having the above and a computer system including the same.

[0011]

A display terminal device having a television broadcast receiving function of the present invention is a display terminal device which is connected to a computer and displays display information generated by the computer. Television broadcast receiving means for receiving and tuning, compression means for compressing information relating to video and audio received by the television broadcast receiving means, storage means for storing the information compressed by the compression means, and Decompression means for decompressing the compression information stored by the storage means and the compression information input from the computer, interface means for inputting display information generated by the computer from the computer, the storage means, the compression means , An input / output unit for inputting and outputting compressed information between the decompression unit and a computer, Display means for displaying the video information received by the television signal receiving means, the video information decompressed by the decompressing means and the display information input from the computer, and the audio information received by the television signal receiving means, The audio information decompressed by the decompressing means and the audio output means for outputting the audio information input from the computer are housed in one housing, whereby the above object is achieved.

The storage means comprises a DVD drive,
The interface means is a USB (Universa).
l Serial Bus) specifications are preferred.

The storage means can also be used as a peripheral storage device of a computer.

The interface means has a function of displaying the display information generated by the computer and the video information stored in the storage means in a picture-in-picture manner on the screen of the display means. May be included.

It is preferable to input / output the compressed information to / from the computer so that the information is continuously stored in the hard disk device inside the computer when the capacity of the storage means is insufficient.

In the computer system of the present invention, the display terminal device having the television broadcast receiving function of the present invention and a computer are connected, and thereby the above object is achieved.

The operation of the present invention will be described below.

According to the present invention, in a display terminal device required for displaying display information generated by a computer such as a personal computer, a television broadcast receiving means (TV tuner) and video / audio information are displayed. By incorporating a compression / decompression means (MPEG encoder / MPEG decoder) and a storage means such as a DVD drive, it is possible to separately prepare these devices.
The video signal and the audio signal received and input by the TV tuner are compressed by the display terminal device and recorded in the storage means, and the compressed information stored in the storage means is decompressed and the video and audio signals are displayed on the display terminal device. The sound can be played.

Therefore, it is possible to provide a simple environment in which devices other than the display terminal device do not substantially occupy the desktop area and the desktop does not become cluttered. Also, TV tuner and M
Even in a personal computer that is not provided with a compression / decompression means such as a PEG encoder / decoder, the AV function can be realized and various computer processes can be performed. Further, for a personal computer, image compression / decompression processing by software is a heavy load, but processing on a display terminal device can reduce the load on the personal computer, and Without supplying power and starting,
Audio can be recorded and played.

Since the DVD drive built in the display terminal device can be used also as a peripheral device of an ordinary personal computer, even if the DVD drive is not built in the personal computer, it can be built in the display terminal device. A wide variety of applications can be realized using existing DVD drives.

The display terminal device has an input / output means such as a USB interface, and can transfer compressed information between the computer and the DVD drive, MPEG decoder and MPEG encoder provided in the display terminal device. . Therefore, if the capacity of the DVD drive provided in the display terminal device is insufficient for recording video / audio, information can be continuously stored in the hard disk device inside the computer, and the computer can be used when reproducing the video. Information stored in the internal hard disk drive can be used.

Further, by means of an interface means such as a graphic controller having an OSD controller, the display information such as a liquid crystal display panel provided in the display terminal device and the display information generated by the computer and the DVD built in the display terminal device. It is also possible to display the video information stored in the drive in a picture-in-picture manner in an overlapping manner.

[0023]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

FIG. 3 is a schematic diagram for explaining the configuration of a computer system which is an embodiment of the present invention. This computer system includes a display terminal device 10.
0 and a personal computer 200,
The display terminal device 100 includes a computer signal cable 4
00, 500 and an audio signal cable (not shown) are connected to the personal computer 200.

In addition, the computer signal cable,
RGB / H / V terminal 15 of the display terminal device shown in FIG. 1 and VGA connector 2 of the personal computer shown in FIG.
09, an analog RGB cable 400, an audio signal cable (not shown) for connecting the audio input terminal of the display terminal device shown in FIG. 1 and an audio connector of a personal computer (not shown), and the display terminal shown in FIG. Device USB UP PORT21 and USB
A USB cable 500 for connecting each of the DOWN PORT 27 and the USB connector 203 of the personal computer shown in FIG. 4 is included.

Further, the USB D of the display terminal device 100
OWN PORT27 has U such as USB mouse 300.
It is possible to connect SB equipment.

FIG. 4 shows a personal computer 200.
3 is a diagram for explaining an example of the internal configuration of FIG. The personal computer 200 has a DRAM 205 used as a main storage device. An application program such as an image recording / playback program is expanded and stored in the DRAM 205.

Further, the personal computer 200 is
It has a CPU 201 that controls the entire operation and processes data. The application program stored in the CPU 201 and the DRAM 205 controls the input / output of video / audio compression information with the display terminal device 100. The video / audio compression information is
From the USB root hub 204 and the USB connector 203 included in the PCI interface 204a, the USB
It is input to and output from the display terminal device 100 via the cable 500.

In addition, the PCI interface 204a
Is also connected to the display controller 207, and the display controller 207 supplies the data stored in the VRAM 206 to the display terminal device 100 from the VGA connector 209 via the RGB cable 400.
Control for displaying on the display terminal device 100 is performed. Image data displayed on the display terminal device is stored in the VRAM 206. The image data is display data generated by the CPU 201 performing data processing such as word processing and spreadsheet, and a display screen on the desktop.

Further, the CPU 201 and the PCI interface 204a use an S as a secondary cache memory.
It is connected to the RAM 202, and the CPU 201 and DRA
In order to speed up the data transfer with M205, SR
Data that is frequently read and written by the AM 206 is retained.

Further, the PCI interface 204a
Is also connected to an HDD (hard disk drive) 208. An application program such as a recording / playback program is installed in the HDD 208. Further, the HDD 208 is configured such that video / audio compression information is written and recorded therein, and the recorded video / audio compression information is read out. HDD208
The compressed information stored in is supplied from the USB connector 204 to the display terminal device 100 via the USB cable 500, or is decompressed and converted into analog RGB display data to be converted from the VGA connector 209 to the analog RGB cable. Display terminal device 10 via 400
Supplied to zero.

FIG. 1 shows a display terminal device 100 of this embodiment.
3 is a block diagram for explaining the configuration of FIG. The display terminal device 100 has an analog RGB / H / H / V / H / V synchronization signal input thereto.
A V terminal 15, an antenna terminal 16 for receiving a television broadcast signal including a horizontal video signal and an audio signal, a video input terminal 18 for inputting a video signal, and an audio input terminal 25 for inputting an audio signal. have.

The analog RGB / H / V terminal 15 is A /
The analog RGB signal and the synchronizing signal that are connected to the D converter 2 are converted into digital by the A / D converter 2 and input to the graphic controller 1.

The antenna terminal 16 is connected to the TV tuner unit 3, and the TV broadcast signal is T
The V tuner unit 3 selects and receives the channel according to the channel setting data stored in the RAM 17 connected to the graphic controller 1.
The video signal of the TV broadcast received by the TV tuner unit is input to the video decoder 4 as a composite signal, and the audio signal is input to the audio circuit 7 as an audio multiplex signal.

The video input terminal 18 is connected to the video decoder 4
The video decoder 4 selects one of a composite signal output from the TV tuner unit 3 and a video signal input from the video input terminal 18, and the video decoder 4 selects the graphic controller 1 or MPEG as a YUV signal. It is input to the encoder 5.

The graphic controller 1 has a built-in CPU and ROM, and receives an analog RGB signal input from the A / D converter 2 connected to the analog RGB / H / V terminal 15 or a video decoder 4. The YUV video signal is converted into a digital RGB signal and output to the liquid crystal display panel 13 as display data. Further, the graphic controller 1 is connected to the inverter circuit 10, and the inverter circuit 10 controls the lighting of the backlight of the liquid crystal display panel 13. Further, the graphic controller 1 uses the OSD (O
n Screen Display) controller, and GUI to allow the user to make various settings.
(Graphical User Interface)
Provide the function.

The graphic controller 1 includes an EEPROM 14 for making various settings and a RAM 17 for making channel settings, and a key unit 11 for a user to input keys from an operation panel or an operation input from a remote controller (remote controller). Is connected,
According to each setting and input, the CPU incorporated in the graphic controller 1 causes the display terminal device 10 to operate.
0 is controlled entirely.

The audio circuit 7 has an audio demultiplexing function for separating an audio multiplexed signal output from the TV tuner 3, a surround function, an analog amplification function and an audio digital output function. The audio circuit 7 is a TV tuner 3,
It is connected to the MPEG decoder 6 and the audio input terminal 25, and the audio information input from any of the TV tuner 3, the MPEG decoder 6 and the audio input terminal 25 is subjected to surround processing and amplification processing and output to the speaker 26. It When the voice information is compressed, the voice circuit 7 outputs the voice information as a digital signal, and M
It is input to the PEG encoder 5.

The MPEG encoder 5 is a ROM in which a control program for compression processing for compressing video / audio is stored.
19 and a RAM for temporarily storing compressed video information and the like
20 is connected, and the video information input from the video decoder 4 and the audio information input from the audio circuit 7 are compressed. The MPEG encoder 5 is U
The video and audio compression information which is connected to the SB controller 8 and is compressed by the MPEG encoder 5 includes USB HUB 9 and USB UP PORT 21.
It is supplied to the personal computer 200 via. The MPEG encoder 5 is the DVD drive 2
2 are also connected, and the compression information of video and audio compressed by the MPEG encoder 5 can be recorded in the DVD drive 22.

The MPEG decoder 6 is connected to a ROM 23 that stores a control program for image decompression processing and a RAM 24 that temporarily stores decompressed video information and the like, and decompresses video and audio compression information. It is processed.
The MPEG decoder 6 is connected to the USB controller 8 so that compressed information of video and audio can be transmitted by USB UP.
It is supplied from the personal computer 200 to the MPEG decoder 6 via the PORT 21 and the USB HUB 9. The MPEG decoder 6 is also connected to the DVD drive 22 so that the compressed information of the video and audio stored in the DVD drive 22 can be decompressed and reproduced. The video information decompressed by the MPEG decoder 6 is supplied to the graphic controller 1 and reproduced by the liquid crystal display panel 13,
The audio information is supplied to the audio circuit 7 and reproduced by the speaker 26.

The USB controller 8 includes a personal computer 200, an MPEG encoder 5, an MPEG decoder 6 and a DV incorporated in the terminal display device 100.
Passing control of compressed information of video and audio input / output to / from the D drive 22 and information processed by the personal computer 200 is performed. The USB HUB 9 is a USB UP P that connects the display terminal device 100 and the personal computer 200.
ORT 21, display terminal device 100, and USB mouse 30
USB DOWN PO to connect with various devices such as 0
It is connected to the RT 27 and the USB controller 8.

Further, the DC / DC converter 1 which is a power supply control circuit for supplying power to the display terminal device 100.
2 is provided and is connected to the AC adapter.

In the computer system of the present embodiment having the above-mentioned configuration, the video / audio recording process is performed as follows. Here, it is assumed that the recording / playback program is installed in the personal computer 200 as one of the application programs.

The television broadcast signal received at the antenna terminal 16 is supplied to the TV tuner unit 3, the desired channel is received based on the channel setting data stored in the RAM 17, and the video signal as a composite signal. It is input to the video decoder 4.
The video decoder 4 converts the composite signal into a YUV format image data signal and inputs it to the MPEG encoder 5. Further, the audio signal is input to the audio circuit 7 and is input to the MPEG encoder 5 as digital data having time information.

The YUV format image data and audio data are compressed by the MPEG encoder 5 and stored in the DVD drive 22 together with desired attribute information, or the HDD 208 of the personal computer 200 via the USB cable 500. Stored in.

In the computer system of this embodiment, the audio / video reproduction process is performed as follows. Personal computer 200 as compressed information
The audio and video information stored in the HDD 208 or the DVD drive 22 is transferred to the MPEG decoder 6 and decompressed. The image data is sent to the graphic controller 1 as a YUV format signal,
Display is performed on the liquid crystal display panel 13. Further, the digital audio data is converted into analog audio by the audio circuit 7 and output from the speaker 26.

Alternatively, the MPEG decompression program included in the application program sequentially calls the compression information to perform the decompression process. The decompressed image data is converted into analog RGB format display data inside the personal computer 200, and the display terminal device 1
00 analog RGB H / V terminal 15
An image is displayed on the liquid crystal display panel 13 via the / D converter 2 and the graphic controller 1. The decompressed voice data is input to the voice input terminal 25 and output from the speaker 26 via the voice circuit 7.

The operation of the computer system of this embodiment will be described below in detail with reference to the flow charts shown in FIGS. 2 (A) to 2 (C).

FIG. 2A is a flow chart showing a case where a recording command from the personal computer 200 is supplied to the display terminal device 100 via the USB cable 500. First, in step S1, it is confirmed whether or not the MPEG encoder 5 is already in operation. MPE
When the G encoder 5 is operating (Y in step S1)
In es), since the recording command cannot be executed, the command is discarded and the process is not performed in step S6.

If the MPEG encoder 5 is not operating (No in step S1), in step S2, which device is to be used for recording is selected, and the DVD is selected.
When the drive 22 is selected, it is confirmed in step S3 whether the personal computer 200 is not using the DVD drive 22 for another purpose. When the DVD drive 22 is in use (Yes in step S3), the recording command cannot be executed, so the command is discarded and the process is not executed in step S6.

When the DVD drive 22 is not used (No in step S3), power is supplied to the MPEG encoder 5 in step S4 and the HDD 2
The recording / playback program as an application program stored in 08 or the like is expanded in the DRAM 205 in the personal computer 200. Further, in step S5, a recording mode such as a recording channel and a recording time is set, and preparation is made so that recording can be started at the recording start time. The setting information of these recording modes is transferred from the USB connector 203 of the personal computer 200 to the USB UP PORT 21 of the display terminal device 100 via the USB cable 500,
It is stored in the RAM 20 under the control of the USB controller 8.

The video information selected by the TV tuner unit 3 is converted into a YUV format signal by the video decoder 4, and the audio information is converted into a digital audio signal by the audio circuit 7 and supplied to the MPEG encoder 5. The MPEG encoder 5 uses the RAM 20 to perform compression processing of video information and audio information, and
The data is sequentially stored in the drive 22.

If the HDD 208 is selected in step S2, the compression process is performed in the same manner as above, and at the time of storage, the personal computer 200 is connected via the USB controller 8 connected to the MPEG encoder 5.
The compressed information is transferred to the USB root hub 204. This compressed information is stored in the HDD 20 under the control of the CPU 201.
Sequentially stored in 8.

FIG. 2B is a flow chart showing a case where a reproduction command from the personal computer 200 is supplied to the display terminal device 100 via the USB cable 500. First, in step S11, it is confirmed whether or not the MPEG decoder 6 is already in operation. MPE
When the G decoder 6 is operating (Y in step S11)
In es), since the reproduction command cannot be executed, the command is discarded and the process is not performed in step S16.

If the MPEG decoder 6 is not operating (No in step S11), in step S12, which device is to be used for reproduction is selected, and D
If the VD drive 22 is selected, step S1
At 3, it is checked whether the personal computer 200 is not using the DVD drive 22 for another purpose. When the DVD drive 22 is in use (Yes in step S13), the reproduction command cannot be executed, and therefore the command is discarded and the process is not executed in step S16.

When the DVD drive 22 is not used (No in step S13), power is supplied to the MPEG decoder 6 in step S14, and the HDD 2
The recording / playback program as an application program stored in 08 or the like is expanded in the DRAM 205 in the personal computer 200. Further, in step S15, the reproduction mode such as the setting of the device to be reproduced is set. The setting information of these reproduction modes is transferred from the USB connector 203 of the personal computer 200 to the USB UP PORT 21 of the display terminal device 100 via the USB cable 500, and
It is stored in the RAM 24 under the control of the B controller 8.

The compressed information stored in the DVD drive 22 is transferred to the MPEG decoder 6, decompressed by the MPEG decoder 6, and the video signal is supplied as a YUV format signal to the graphic controller 1 to generate a digital RGB signal. Converted to LCD panel 1
Displayed at 3. The decompressed audio signal is input to the audio circuit 7 as a digital audio signal, converted into an analog audio signal, amplified, and then output by the speaker 26.

When the HDD 208 is selected in step S12, the MPEG decoder 6 is activated and the reproduction mode is set as described above. Then, from the HDD 208 of the personal computer 200, the compression information is U
It is transferred to the MPEG decoder 6 via the SB root hub 204 and the USB cable 500. This compressed information is decompressed by the MPEG decoder 6 in the same manner as described above, input to the graphic controller 1 and the audio circuit 7, and reproduced.

In FIG. 2C, the continuous recording command from the personal computer 200 is the USB cable 500.
FIG. 7 is a flowchart showing a case where the image data is supplied to the display terminal device 100 via the. In this example, video / audio compression information is recorded in the DVD drive 22, and the DVD drive 22
If the disk of the
Recording is performed at 08.

First, in step S21, the HDD 208
It is confirmed whether or not there is free space. If there is no free space in the HDD 208 (Yes in step S21),
Recording is performed only on the DVD drive 22, and step S2
In 5, the video / audio compression information is recorded in the DVD drive 22 as long as the capacity of the DVD drive 22 remains.

If the HDD 208 has free space (No in step S21), it is confirmed in step S22 whether or not the DVD drive 22 has free space, and in step S23, the free space of the DVD drive 22 remains. As long as the compression information of video / audio is recorded in the DVD drive 22. Then, when the disk of the DVD drive 22 is full, in step S24, the HDD 2 is continuously read by the application program.
08, video / audio compression information is recorded.

The capacity of the DVD drive 22 and the HDD 208 can be continuously recorded by checking the unused area before or during recording by the application program. .

Next, a display generated by the personal computer 200 when the compressed information stored in the DVD drive 22 is reproduced while the personal computer 200 is performing data processing such as word processing and spreadsheet. The operation of superimposing and displaying the information and the information stored in the DVD drive 22 by picture-in-picture will be described.

When the personal computer 200 is performing the above-described data processing, the personal computer 200 sends a normal analog RGB signal to the display terminal device 100. At this time, when the DVD drive 22 is played back by controlling the key unit 11 of the personal computer 200 or the display terminal device 100, the analog RGB signals are reproduced by using the picture-in-picture function provided in the graphic controller 1. The reproduction information of the DVD drive 22 is displayed as a child screen in superposition with the display by the signal. In this case, the size and position of the child screen can be changed by the OSD menu of the display terminal device 100 or the like.

In the computer system of this embodiment, a DVD is used when reproducing / recording compressed information.
When reproducing the compression information stored in the drive 22 or recording the compression information in the DVD drive 22,
Even when the personal computer 200 is not activated, the compressed information can be reproduced / recorded by using the key unit 11 of the display terminal device 100, the remote controller, or the like. Therefore, the AV function can be realized without starting the personal computer.

[0066]

As described in detail above, according to the present invention,
In a display terminal device, which is indispensable for displaying display information generated by a computer such as a personal computer, a TV tuner and an MPEG encoder.
By incorporating the MPEG decoder and the storage means, the video signal and the audio signal received and input by the TV tuner are compressed and stored by the display terminal device without separately preparing these devices. It is possible to reproduce the video and audio on the display terminal device by decompressing the compressed information stored in the storage means and stored in the storage means.
Therefore, it is possible to provide a simple environment for use without substantially occupying the desk area.

Further, even in a personal computer which is not equipped with a TV tuner and image compression / decompression means, the AV function can be realized and various computer processing can be performed.

Further, although the image compression / decompression process by software is a heavy load for the personal computer, the load on the personal computer can be reduced by performing the process on the display terminal device. Video and audio can be recorded and played back without supplying power to the personal computer and starting it.

Since the DVD drive built in the display terminal device can be used also as a peripheral device of a normal personal computer, even if the DVD drive is not built in the personal computer, it can be built in the display terminal device. A wide variety of applications can be realized using existing DVD drives.

The display terminal device can transfer the compressed information between the computer and the DVD drive, MPEG decoder and MPEG encoder provided in the display terminal device by the input / output means such as a USB interface. Therefore, when the capacity of the DVD drive equipped in the display terminal is insufficient when recording video / audio,
Information can be stored subsequently in the hard disk device inside the computer.

Further, by the display terminal device, the display information generated by the computer and the video information stored in the DVD drive incorporated in the display terminal device are displayed in a picture-in-picture manner in an overlapping manner. You can also

[Brief description of drawings]

FIG. 1 is a block diagram for explaining a configuration of a display terminal device having a television broadcast receiving function according to an embodiment of the present invention.

2A to 2C are flowcharts for explaining a recording / reproducing processing operation in a computer system according to an embodiment of the present invention.

FIG. 3 is a diagram for explaining a connection between a display terminal device and a personal computer in a computer system that is an embodiment of the present invention.

FIG. 4 is a diagram showing an internal configuration example of a personal computer included in a computer system according to an embodiment of the present invention.

[Explanation of symbols]

1 Graphic controller 2 A / D converter 3 TV tuner unit 4 video decoder 5 MPEG encoder 6 MPEG decoder 7 voice circuit 8 USB controller 9 USB HUB 10 Inverter circuit 11 key units 12 DC / DC converter 13 Liquid crystal display panel 14 EEPROM 15 analog RGB H / V terminals 16 antenna terminals 17 RAM 18 Video input terminal 19 ROM 20 RAM 21 USB UP PORT 22 DVD drive 23 ROM 24 RAM 25 audio input terminals 26 speakers 27 USB DOWN PORT 100 display terminal device 200 personal computer 201 CPU 202 SRAM 203 USB connector 204 USB root hub 204a PCI interface 205 DRAM 206 VRAM 207 Display controller 208 HDD 209 VGA connector 300 USB mouse 400 analog RGB cable 500 USB cable

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) H04N 5/85 H04N 5/781 510D 5/92 510C 5/93 5/92 H 5/93 EF term ( Reference) 5C025 AA30 BA30 CA06 CB10 DA10 5C052 AA04 AB02 CC11 DD04 DD06 5C053 FA06 FA20 FA23 FA24 GA11 GB11 GB37 JA01 KA05 KA24 KA25 LA06 LA07 LA11

Claims (6)

[Claims] 1. A display terminal device connected to a computer for displaying display information generated by the computer, the television broadcast receiving means for receiving and selecting a television broadcast, and the television broadcast receiving means. The compression means for compressing the information about the received video and audio, the storage means for storing the information compressed by the compression means, the compression information stored by the storage means and the compression information input from the computer. Decompressing means for decompressing, interface means for inputting display information generated by the computer from the computer, input / output means for inputting / outputting compressed information between the storing means, the compressing means, the decompressing means and the computer. Video information received by the television signal receiving means, video decompressed by the decompressing means Display means for displaying information and display information input from a computer, and audio information received by the television signal receiving means, audio information decompressed by the decompressing means, and audio information input from a computer A display terminal device having a television broadcast receiving function, in which an audio output unit and a voice output unit are housed in one housing. 2. The storage means comprises a DVD drive, and the input / output means comprises a USB (Universal S).
The display terminal device according to claim 1, wherein the display terminal device has an E-Bus specification. 3. The display terminal device having a television broadcast receiving function according to claim 1, wherein the storage means is also used as a peripheral storage device of a computer. 4. The interface means displays the display information generated by the computer and the video information stored in the storage means on the screen of the display means in a picture-in-picture manner. A display terminal device having a television broadcast receiving function according to any one of claims 1 to 3, which has a function to perform. 5. When the capacity of the storage means is insufficient,
The display terminal device having a television broadcast receiving function according to any one of claims 1 to 4, wherein compressed information is input to and output from a computer so that the information is continuously stored in a hard disk device inside the computer. . 6. A computer system in which a display terminal device having a television broadcast receiving function according to any one of claims 1 to 5 and a computer are connected.