KR100665754B1 - Home network system used television overlay - Google Patents

Abstract

A home network system using TV overlay is provided to present a new and convenient environment without a big change or an additional cost in an existing home network solution by drastically accepting existing analog devices. A home network system using TV overlay is comprised of a home server(300), a video and home server control device(100), an outdoor device(10), an A/V device(20), and a display device(200). The home server(300) controls an HA(Home Automation) device(30) and various premises sensors(40). The video and home server control device(100), connected with the home server(300), controls the home server(300) according to remote signals of a remote controller. The outdoor device(10) and the A/V device(20) are connected with the video and home server control device(100). The display device(200), connected to the video and home server control device(100), displays various pictures and information in an overlay technique.

Description

Home network system using television overlay {home network system used television overlay}

1 is an overall block diagram of a home network system using the present inventors overlay.

2 is a block diagram of an image and home server controller which is one component of the present invention.

3 is a block diagram of a central controller which is one component of the present invention.

4 is a structural diagram of a flash memory included in a central controller which is one component of the present invention.

Explanation of symbols on the main parts of the drawings

10: outdoor device 20: A / V device

30: HA device 40: sensors in the home

50: PC, Notebook, PDA 60: Remote Controller

100: video and home server controller 110: outdoor interface

112: first decoder 120: A / V device interface unit

122: second decoder 130: graphics processor

140: filter unit 150: RGB decoder

152: IR receiver 160: central control

161: Presentation Engine 163: Message Handler

165: ticker handler 167: message listener

169: remote control receiver 170: audio processor

180: Ethernet processor 200: display device

300: home server

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a home network system. In particular, the TV overlay technology can be used to improve the user interface, which is a disadvantage of the existing home network solution, and to manage an integrated TV device. The present invention relates to a home network system using an overlay.

In the conventional home network, the TV interface method has a limitation in that only a limited channel is supported to limit the user's continuous TV viewing or to receive home network service only for a specific equipment owner such as a set-top box (STB).

In addition, there was a neglect of accommodating analog TV and various kinds of video appliances in the process of high technology.

On the other hand, until 10 years ago, Video Player was the only device connected to TV. However, with the development of technology, various video media, home game consoles, PCs, door phones, and CCTVs have been widely available.

However, in the case of the existing home network solution, there was a lack of consideration for analog-based devices that are currently on the market in pursuit of new technology, and the number was too small to accommodate this. In addition, image quality deterioration was inevitable.

Nowadays, all new apartments have a home network system. However, the current home network system provides a convenient and comfortable residential environment for the user, but has a disadvantage in that it is not easy to use.

In addition, as the incidence of violent crime increases, the necessity of strengthening residential environment supplementation is emerging. In the case of the existing residential environment, CCTV was installed in the parking lot and the playground in the complex to watch the video in the house through the external channel of the TV.

However, this approach has some major disadvantages. First of all, since the TV is allocated to an external channel, it cannot be monitored at the same time as watching TV, and it cannot be linked with equipment such as a door phone or a lobby phone. Finally, the security device (small CCD camera) purchased by the tenant is installed by itself. It was impossible to operate.

The present invention has been proposed to solve the problems of the prior art as described above, an overlay that improves the user interface of the user by providing an integrated control function using a TV to the existing home network solution and provides more convenience. To provide a home network system using the object.

In addition, the present invention by applying the overlay (overlay) technology, regardless of the user's video selection in the state of continuously watching the TV (or DVD, games) overlay that can accommodate and control all the functions of the existing home network ( Its purpose is to provide a home network system using overlays.

In addition, through the TV familiar to users, it controls the home network equipment in the house and supports the service to provide various events and local information messages through the connection with the server, and also interlocks with door phones, lobby phones, and local CCTVs. The purpose of this is to provide a picture in picture (PIP) screen of each device and to support a video call between the TV and the TV.

The constituent means of the home network system using the TV overlay which is the present invention proposed to solve the above technical problem is a home network system, which controls a home automation device (HA) and various home sensors in the home. An image and home server controller connected to a server and the home server to issue a control command to the home server according to a remote signal of a remote controller, and an outdoor device connected to the image and home server controller A / V device connected to the device, the video and home server controller, and video transmitted from the outdoor device and the A / V device connected to the video and home server controller, and various types of video transmitted from the home server. Characterized in that it comprises a display device for displaying information by the overlay (overlay) technique.

In addition, the home server and the image and home server controller is connected to a LAN (LAN) is characterized in that the data communication by TCP / IP communication.

The video and home server controller may further include an outdoor interface unit for interfacing with the outdoor device, an A / V device interface unit for interfacing with the A / V device, and the outdoor interface unit. A first decoder for decoding the transmitted signal, a second decoder for decoding the signal transmitted from the A / V device interface unit, and graphics for processing the decoded signals output from the first and second decoders in a predetermined form A processor, a filter unit for filtering the processed signal output from the graphic processor and transmitting the filtered signal to the display device, an IR receiver for receiving an IR signal transmitted from the remote controller, and controlling data communication with the home server. Ethernet processor and audio to process received audio signals or to play audio files in various formats Characterized in that connected to the processor and the graphics processor, an audio processor, an Ethernet processor and IR receiver made in a central control unit for performing various operations and control.

The outdoor device may be any one of a door phone, a lobby phone, and a CCTV. When the outdoor device is a door phone or a lobby phone, the visitor calls the door phone or the lobby phone. The video signal is automatically overlaid on the screen of the display device through the outdoor interface unit, the first decoder, the graphics processor, and the filter unit sequentially and displayed in the form of a pop-up window. do.

In addition, when the outdoor device is a CCTV, when the user selects a CCTV operation mode through a remote controller for external monitoring through the CCTV, the video signal of the CCTV is the outdoor interface unit, the first decoder, The graphic processor and the filter unit may be sequentially overlaid on the screen of the display device and displayed in the form of a pop-up window.

Preferably, the A / V device is any one of a video, a camcorder, a game machine, and a DVD. When the A / V video signal by the A / V device is selected by the user, The A / V device interface unit, the second decoder, the graphic processor and the filter unit are sequentially displayed on the screen of the display device.

The image and home server controller may further include an RGB decoder for interfacing with any one of a PC, a notebook computer, a PDA, and decoding the video pattern into a predetermined image pattern and outputting the decoded image to the second decoder.

The central control unit may further include a flash memory, wherein the flash memory is divided into a boot loader area, a partition table area, a kernel area, a root file system area, and a configuration file area.

In addition, the central control unit controls the home server or only the server according to the remote control listener unit for detecting and interpreting a user's remote controller signal input and the remote control listener unit, and processes the result. A presentation engine unit controlling to be output on a screen of the display device, and a control command to generate a control command to control the home automation device and various sensors according to the control of the presentation engine unit; A message handler unit for transmitting to a home server, a ticker handler unit for processing an event message received from the home server or only a server, and receiving a message from the home server or only server. It comprises a message listener unit for transmitting to the message handler unit or ticker handler unit It is characterized by.

Hereinafter, with reference to the accompanying drawings will be described in detail the operation and preferred embodiment of the home network system using the overlay (overlay) of the present invention made up of the above configuration means.

1 is a block diagram of a home network system using an overlay of the present invention.

As shown in Figure 1, the home network system using the overlay (overlay) of the present invention is

A home server (300) controlling a home automation device (HA) 30 and various home sensors 40, and connected to the home server 300 to connect the home server 300 according to a remote signal of a remote controller. Image and home server controller 100 for controlling, outdoor device 10 and A / V device 20 connected to the image and home server controller 100, the image and home server The display device 200 is connected to the controller 100 and displays various images and information by an overlay technique.

The home server network system using the overlay technique of the present invention having the above-described configuration is the most suitable of the present invention between the existing home network system built around the home server 300 and the display device 200 such as a TV. After providing a video and home server controller 100, which is a component of a great feature, and connecting various devices related to home networks with the home server 300, the control command given by the video and home server controller 100 is homed. It is a form which the server 300 analyzes and controls.

Therefore, various DVDs, console game consoles, camcorders, and the like, which are directly connected to the display device 200 such as a TV, are connected to the display device 200 such as a TV through the video and home server controller 100, and the door phone. And a lobby phone, etc. are connected to the home server 300 as well as the video and home server controller 100, and the CCTV responsible for security is directly connected to the video and home server controller 100 to perform a surveillance function. do.

The home server 300 and the image and home server controller 100 perform data communication by TCP / IP communication with a door connected to a LAN. That is, the home server 300 is connected to the video and home server controller 100 through TCP / IP socket to maintain connection, and when the OS loading is complete, open and wait the designated port and then control the video and home server. When the connection request signal is received from the device 100, data transmission is performed after retransmitting the received signal.

The outdoor device 10 connected to the video and home server controller 100 corresponds to a lobby phone, a door phone and a CCTV, and the like, and is connected to the video and home server controller 100. The V device 20 corresponds to a game machine, a camcorder, a video, a DVD, or the like.

2 is a block diagram of an image and home server controller 100 connected to the outdoor device 10 and the A / V device.

As shown in FIG. 2, the image and home server controller 100 performs interfacing with the outdoor interface unit 110, which performs interfacing with the outdoor device 10, and the A / V device 20. The A / V device interface unit 120, the first decoder 112 for decoding the signal transmitted from the outdoor interface unit 110, and the signal transmitted from the A / V device interface unit 120. A second decoder 122 to decode, a graphics processor 130 to process the decoded signals output from the first and second decoders 112 and 122 into a predetermined form, and an output from the graphics processor 130 Filter unit 140 to filter the processed signal to the display device 200, the IR receiver 152 for receiving the IR signal transmitted from the remote controller 60, and the home server 300 Ethernet processor 180 for controlling data communication, An audio processor 170 for processing a received voice signal or reproducing a voice file of various formats is connected to the graphics processor 130, the audio processor 170, the Ethernet processor 180, and the IR receiver 152. It comprises a central control unit 160 for performing the operation and control.

The outdoor interface 110 connected to the outdoor device 10 to interface with the outdoor device 10 transmits an input video signal to the first decoder 112 by interfacing with the door phone, the lobby phone, and the CCTV. When the first decoder 112 decodes the input image signal and transmits the decoded image signal to the graphic processor 130, the graphic processor 130 processes and outputs the input image signal and executes the graphic by a built-in routine. Create The image signal output by the graphic processor 130 is trimmed by the filter unit 140 and displayed on the display device 200 such as a TV.

Therefore, when the outdoor device 10 is a door phone or a lobby phone, the visitor communicates with the owner in the home by the following procedure.

When the visitor calls the home owner through the door phone or the lobby phone, the video signal of the visitor generated by the door phone or the lobby phone is automatically sent to the first decoder 112 via the outdoor interface 110. Is sent. The visitor's video signal transmitted to the first decoder 112 is decoded into a predetermined form (ITU-656) and transmitted to the graphics processor 130. The graphic processor 130 processes the decoded video signal into a predetermined form and transmits the decoded video signal to the filter unit 140, and the filter unit 140 filters the video signal and sprinkles it on a display device 200 such as a TV. give.

That is, when the homeowner is watching a TV or the like, when the visitor calls through the door phone or the lobby phone, the video signal is automatically input through the outdoor interface unit 110 and the first decoder 112. ), A pop-up window is displayed on the display device 200 through the graphic processor 130 and the filter unit 140 in sequence, and then the PIP function is used to display the image signal of the display device 200. Print to the screen. At this time, the pop-up window and the image signal are output to the display device 200 such as a TV by an overlay technique.

When the outdoor device is a CCTV, like the door phone or the lobby phone, it is not automatically output on the screen of the display device 200, but image signals captured by the CCTV by the user's selection are displayed on the display device 200. ) Is displayed on the screen.

That is, when the user wants to monitor externally through the CCTV, the user should select a CCTV operation mode among various modes displayed on the screen of the display device 200 such as a TV by using the remote controller 60. Then, the video signal captured by the CCTV is displayed through the outdoor interface 110, the first decoder 112, the graphics processor 130 and the filter 140, like the door phone or the lobby phone in sequence. Overlayed on the screen of the device 200 is displayed in the form of a pop-up window.

Meanwhile, the A / V device interface unit 120 of the image and home server controller 100 is connected to the A / V device 20 such as a video, a camcorder, a game machine, and a DVD to perform interfacing. The device 20 is also operated by the user's selection and displayed on the display device 200.

That is, a user selects an A / V device operation mode among various modes displayed on the screen of the display device 200 such as a TV by using the remote controller 60 to watch a video or play a game by connecting an A / V device. shall. Then, the video signal by the A / V device 20 is sequentially passed through the A / V device interface unit 120, the second decoder 122, the graphic processor 130, and the filter unit 140. 200) is displayed on the screen.

On the other hand, the image and home server controller 100 is provided with a separate input terminal (not shown) to connect external devices such as PC, PDA and laptop. Therefore, the signal input through the input terminal is converted into a predetermined signal (NTSC or PAL) through the RGB decoder 150, which is further included in the image and home server controller 100, the converted signal is again 2 is sent to the decoder 122 and reconverted to a predetermined form (ITU-656). The graphic processor 130 and the filter unit 140 are output to the display device 200 such as a TV.

In order to connect the A / V device 20 or a PC, a PDA, and a notebook to the image and home server controller 100 to display various images and information on the display device 200, the user through the remote controller 60. Must be selected among the modes displayed on the screen of the display device.

Therefore, the image and home server controller 100 should be provided with an IR receiver to receive the IR signal of the remote controller 60. That is, when the remote controller 60 is adjusted by the user, a predetermined IR signal is transmitted to the image and home server controller 100. The transmitted signal is then received by the IR receiver 152 waiting to receive. When the signal is received, the IR receiver 152 generates an interrupt and the generated interrupt is processed by the central controller 160.

The central control unit 160 includes a predetermined memory to perform various operations and controls. The memory uses a flash memory, and the area structure of the flash memory is different from that of a conventional memory.

The most commonly used file system is JFFS2. However, the file system of the mixed type shown in FIG. Accordingly, the flash memory includes a boot loader area, a partition table area, a kernel area, a root file system area, and a configuration file area (hatched areas in FIG. 4). It is divided into

The reason why the user area that contains data is divided into the root file system and the configuration file area is that the stability of jffs2, which is widely used on the Linux-based embedded system, is poor. In order to overcome this disadvantage, the root file system area in which the flash memory is logically divided to store the system and application programs is constructed as a cramfs, which is a read-only file system, and a configuration file area in which various configuration files and the like are stored (see FIG. 4). Hatched areas) are built with jffs2 to make the system quite stable.

If the file system is separated as described above, even if a problem occurs in the system itself, the root file system area is opened as read-only, so that the system can be restored to 100% when rebooting and excellent stability can be obtained. In addition, since the configuration file area (indicated in FIG. 4) where various configuration files are stored is made of jffs2 that can be read and written, various configuration changes are convenient.

The central control unit 160 including the flash memory having the file system includes a functional block as shown in FIG. 3.

As shown in FIG. 3, the central control unit 160 includes a remote control listener unit 169 for detecting and interpreting a user's remote controller 60 signal input, and the remote control listener unit 169. A presentation engine unit 161 for controlling the home server 300 or the server according to an interpretation of the control unit, and controlling the processed result to be output on the screen of the display apparatus 200; A message handler unit 163 for generating a control command and transmitting the control command to the home server 300 in order to control the home automation device and various sensors according to the control of the presentation engine unit 161; A ticker handler unit 165 for processing an event message received from the home server or only server, and the message handler unit 163 or ticker handle by receiving a message from the home server or only server. It consists of including a message listener (listener) section 167 to be transmitted to unit 165.

The user uses the remote controller 60 to control the home network equipment through the image and home server controller 100 having the central controller 160 having the functional blocks as described above.

That is, when a user manipulates the remote controller 60 to issue a corresponding control command, the remote signal of the remote controller is sensed, interpreted, and converted through the remote controller listener 169, and thus, the presentation engine 161. The transmitted information is transmitted to the message handler 163 according to the video and the interface of the home server controller 100. The message handler 163 delivers a message for a control command to the home server 300 installed in the home under the control of the presentation engine 161.

The message transmitted from the message handler 163 is transmitted to the home server 300 through TCP / IP communication, and the home server 163 decodes the received command and uses home network equipment (HA device and various home sensors in the home). After controlling the packets, the results are sent back to the message listener 167 via TCP / IP communication. The message listener 167 forwards the received result message to the message handler 163, and the message handler 163 interprets the result message and sends the result to the presentation engine 161. In addition, the presentation engine 161 outputs the message to a display device such as a TV.

Meanwhile, the image and home server controller 100 may be directly connected to a ticker server as well as the home server 300. In addition, the ticker server may be connected to the home server 300, and the home server 300 may be connected to the image and home server controller 100.

Therefore, the message about the information transmitted from the ticker server (not shown) is passed through the home server 300 or directly to the image and home server controller 100. The forwarded information message is received by the message listener 167 and the received message is passed back to the ticker handler 165 for interpretation. The message interpreted by the ticker handler 165 is transmitted to the presentation engine 161 and output to a display device such as a TV.

Information transmitted from the ticker server (not shown) and output to the display device such as a TV through the image and home server controller 100 corresponds to a commercial advertisement message, an emergency message, and a notice. The emergency message is information informing the evacuation route, etc. in the event of a fire in the complex, the announcement is information that the administrator of the ticker server informs people in the house, the commercial message is a commercial delivery useful to people in the house It can be called a message. For example, the commercial advertisement message may include contents related to discounts and price changes on items handled by stores nearby.

The above information is displayed on the TV in the form of a banner displayed on the bottom of a display device such as a TV by applying an overlay technology.

For the sake of understanding, the process of displaying on the TV in the form of a notice that the parcel and the courier has arrived in the home is as follows.

When home delivery is absent, the courier and parcel arrival notification message is input to the ticker server by the manager in the complex, and the courier and parcel arrival notification message posted on the ticker server passes through the home server or directly on the video. And delivered to the display device through the message listener 167, the ticker handler 165, and the presentation engine 161 to the home server controller 100 so that the homeowner returns home to the home delivery and delivery service. You may notice that the parcel has arrived.

On the other hand, homes with built-in home network system using the TV overlay described above can also be a TV-to-TV video call.

That is, the display device 200 existing in each house is further equipped with a video camera 210, the remote controller 60 used in each house is further added to the voice call function, the image and home present in each house The server controller 100 may make a video call between people in different homes by connecting a video of another home and a home server controller 100 by wire or wirelessly. On the other hand, the image existing in the home and the home server controller 100 may be connected to each other by wire and wirelessly through a video call server 400 is provided separately.

The video camera 210 is responsible for taking a video of a person making a video call and transmitting the video to the home server controller 100 and an image existing in the home, and the remote controller 60 functions as a general telephone. Similarly, it is configured to make a voice call, and video and home server controllers 100 existing in each home are connected by wire or wirelessly to perform data communication.

The person who attempts the video call speaks contents to be transmitted to the other party of the video call through the microphone provided in the remote controller 60. At the same time, the video camera 210 captures an image of a person attempting a video call and transfers the image to the home server controller 100.

The image is displayed on a portion of the display device 200 in the home where a person attempting a video call exists. At the same time, the video and the voice transmitted through the remote controller 60 are encoded by the video and home server controller 100 and transmitted to the video and home server controller 100 existing in the other party's home.

The encoding information of the audio and video transmitted to the home video and the home server controller 100 is decoded by the home video and the home server controller 100. Of the decoded information, the voice is transmitted to the other party's video and the remote controller 60 communicating with the home server controller 100 to be delivered to the other party's video caller, and among the decoded information, the video of the other home. And a portion of the display device 200 connected to the home server controller 100. That is, the screen of the display device 200 in the home is displayed together with the appearance of yourself and the other party video caller.

The home network system using the overlay technology described above controls the function of the home network without colliding with the existing home network while continuously watching the TV by a display device such as a TV regardless of the user's video selection. can do. Therefore, it is possible to support various event and local information message receiving service through control of home network equipment and connection with terminal server through user-friendly TV, and video PIP ( Picture in Picture).

According to the home network system using the overlay (overlay) of the present invention having the configuration and operation and the preferred embodiment as described above, by adopting a large number of existing analog devices, a new type of home network solution without significant change or cost added It has the advantage of providing a convenient environment.

In addition, although the existing home network has a somewhat inconvenient user UI, according to the present invention, since the home network system is controlled by using a display medium such as a TV and a remote control, which are familiar to the user, there is an effect of providing convenience and convenience to all users.

In addition, by strengthening the security function, the surveillance devices such as door phones, lobby phones, and CCTVs can be used simultaneously with watching TV without any equipment, thereby enhancing security. This has the advantage of rapid response and evacuation.

In addition, commercial advertisement messages such as various events and discount information in the complex, various announcements and emergency messages, etc. can be easily accessed through the TV has the effect of weaving the complex into one.

Claims (16)

In a home network system, A home server for controlling home automation equipment (HA) and various home sensors; An outdoor interface unit connected to the home server to issue a control command to the home server according to a remote signal of a remote controller, the interfacing with an outdoor device, and an A / V device interfacing with the home server. A / V device interface unit, a first decoder for decoding a signal transmitted from the outdoor interface unit, a second decoder for decoding a signal transmitted from the A / V device interface unit, and the first and second decoders A graphics processor for processing the decoded signal output from the predetermined form, a filter unit for filtering the processed signal output from the graphics processor to the display device, and an IR receiver for receiving the IR signal transmitted from the remote controller And an Ethernet processor for controlling data communication with the home server and processing the received voice signal. And an audio processor for reproducing an audio file in a format, with the graphics processor, an audio processor, an Ethernet processor and IR receiver connected to the image comprises a central control unit for performing various calculations and control, and the home server control device; An outdoor device connected to the video and home server controller; An A / V device connected to the video and home server controller; And a display device connected to the image and home server controller to display the image transmitted from the outdoor device and the A / V device and various information transmitted from the home server by an overlay technique. Home network system using a TV overlay. The method according to claim 1, The home server and the image and home server controller is connected to a LAN (LAN) is a home network system using a TV overlay (overlay), characterized in that the data communication by TCP / IP communication. delete The method according to claim 1, The outdoor device is a home network system using a TV overlay, characterized in that any one of the door phone, lobby phone, CCTV. The method according to claim 4, wherein the outdoor device is a door phone or a lobby phone, When the visitor calls the door phone or the lobby phone, the video signal of the visitor is automatically overlaid on the screen of the display device through the outdoor interface unit, the first decoder, the graphic processor, and the filter unit. A home network system using a TV overlay, which is displayed in the form of a pop-up window. The method according to claim 4, wherein when the outdoor device is CCTV, When a user selects a CCTV operation mode through a remote controller to externally monitor through the CCTV, the video signal of the CCTV is sequentially passed through the outdoor interface unit, the first decoder, the graphic processor, and the filter unit. The home network system using a TV overlay, characterized in that the overlay on the screen (display) in the form of a pop-up window. The method according to claim 1, The A / V device is a home network system using a TV overlay, characterized in that any one of video, camcorder, game console, DVD. The method according to claim 7, wherein the A / V video signal by the A / V device, When the user selects the A / V device operation mode, the A / V device interface unit, the second decoder, the graphic processor, and the filter unit are sequentially displayed on the screen of the display device, the TV overlay (overlay) characterized in that Home network system using. The method according to claim 1, The video and home server controller further includes an RGB decoder for interfacing with any one of a PC, a notebook computer, a PDA, and decoding the video into a predetermined image pattern and outputting the decoded image to the second decoder. Home network system using. The method according to claim 1, The central control unit further includes a flash memory, wherein the flash memory is divided into a boot loader area, a partition table area, a kernel area, a root file system area, and a configuration file area. Network system. The method of claim 10, wherein the central control unit, A remote control listener for detecting and interpreting a user's remote controller signal input, and controlling the home server or only a server according to an interpretation of the remote control listener, and outputting the processed result on the screen of the display device. A message handler for generating a control command to control the home automation device and various sensors according to the control of the presentation engine unit and the presentation engine unit to control the display engine unit. a handler unit, a ticker handler unit for processing an event message received from the home server or only a server, and a message received from the home server or only server to the message handler unit or ticker handler unit. TV over characterized in that it comprises a message listener (transmitter) for transmitting The home network system using a (overlay). The method according to claim 1, The display device is further equipped with a video camera, the remote controller is further added to the voice call function, the voice transmitted through the remote controller and the image transmitted through the video camera is encoded in the video and home server controller The home network system using a TV overlay (overlay), characterized in that the transmission to other home video and home server controller. The method according to claim 12, A home network system using a TV overlay, characterized in that the video and home server controller and other home video and home server controllers are connected by wire or wirelessly. delete The method according to claim 12, The image transmitted through the image camera is displayed on a portion of the display device via the image and the home server controller, the home network system using a TV overlay (overlay). The method according to claim 15, The other home video and the voice transmitted to the home server controller are decoded and transmitted to a remote controller communicating with the home video and the other home controller, and the video transmitted to the home server controller and the other home video A home network system using a TV overlay, characterized in that it is decoded and displayed on a part of the display device connected to the other home image and home server controller.

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