KR100464262B1 - Multi-function Audio/Video system having a multi-function Audio/Video apparatus and a Mobile computer - Google Patents

Abstract

The present invention relates to an audio / video system, and more particularly, to an audio / video system that can enjoy various functions of an audio / video device using a mobile computer.

An audio / video device according to the present invention comprises a network interface capable of data communication with an external device, a voice signal processor for processing a voice signal input from a voice selector to a mobile computer, and an image signal for a TV tuner. A packet conversion unit for distinguishing and packetizing data input from an image signal processing unit, the network interface unit, an audio signal processing unit, and an image signal processing unit for each application, and separating and processing data received from a mobile computer; And a control unit for transmitting the signal output from the unit to the mobile computer, the wireless transceiver for receiving control commands and data from the mobile computer, and controlling each component according to the control command received from the wireless transceiver. It features.

Description

Multi-function Audio / Video system having a multi-function Audio / Video apparatus and a Mobile computer}

The present invention relates to a multi-function audio / video system, and more particularly, to a multi-function audio / video system that can easily and conveniently control various home automation functions while watching a radio, TV, etc. in the kitchen or indoors.

As the use of computers increases with the development of communication networks, the trend of pursuing changes in the digital age in each household is increasing. Most people also want a more comfortable, safe and convenient living environment at home. In particular, in the past, the kitchen did not pay much attention, but as the quality of life is improved, various devices have been developed and distributed to add the convenience of the interior and living of the kitchen.

Among these devices, there is a multifunctional audio / video device which can be attached to a free space such as a sink so that various information can be easily accessed, and can watch phone calls, radio and TV. The multi-function audio / video device is composed of an audio / video device for controlling the device as a whole and a TFT-LCD monitor for displaying a TV image to implement the above functions.

Therefore, the user can do housework in a limited space such as a kitchen while listening to a telephone call, listening to radio, and watching TV. In addition, in the device, the monitor is detachable from the audio / video device and the TV tuner is mounted inside the monitor, so that the monitor can be separately watched from the audio / video device.

However, in the device, when the monitor is separated from the audio / video device, there is a problem in that other functions except the TV function do not work. In addition, when a visitor presses an interphone or a videophone, there is a troublesome problem of checking a visitor by moving to a place where an interphone is installed.

The present invention is to solve the above problems, the present invention is to use the wireless communication in the kitchen or indoor to perform a phone call or TV or radio function in the mobile or moving place and can be e-mail or Internet search It is an object to provide a multifunctional audio / video system.

Still another object of the present invention is to provide a multifunctional audio / video system capable of controlling access control functions through an audio / video device and an interphone in a mobile computer using wireless communication.

It is still another object of the present invention to provide a multifunctional audio / video system capable of controlling these functions with a mobile computer at the same time as notifying a user through a mobile computer using wireless communication when detecting a fire, gas detection, or outsider intrusion. .

1 is a view schematically showing a mounting state of a multifunction audio / video system according to an embodiment of the present invention.

2 is a block diagram schematically showing the configuration of an audio / video device in a multifunctional audio / video system according to the present invention;

3 is a block diagram schematically showing the configuration of a mobile computer in the multifunctional audio / video system according to the present invention;

<Description of the symbols for the main parts of the drawings>

100: audio / video device 101: telephone circuit

102: audio circuit section 103: TV tuner section

104: network interface unit 105: home auto interface unit

106: voice selector 107,205: voice input / output

108,203: audio signal processor 109,204: image signal processor

110,202: packet converter 111,201: wireless transceiver

112,209 control unit 200: mobile computer

206: image output unit 207: image signal input unit

208: data input unit

A multifunction audio / video device according to an aspect of the present invention for achieving the above object includes a telephone circuit portion, an audio circuit portion, a TV tuner portion, and a network interface portion for data communication with the outside to communicate various data received therefrom with a mobile computer. It converts and processes the data into a predetermined format, packetizes them for each application, and transmits them, and receives a control command for the functions from the mobile computer.

According to this aspect of the present invention, the user can carry a mobile computer in the kitchen or indoors, and can listen to telephone calls, audio or TV, etc., regardless of the location, and can also search and send and receive Internet via the network interface unit. Do.

The multifunction audio / video device according to an additional aspect of the present invention may further include a home auto interface unit capable of controlling them through connection with home automation devices installed in a home or an office.

Accordingly, when checking the visitor through various functions of the home automation through the interface unit, for example, a video phone or an interphone, the mobile unit can be easily checked through a portable computer without having to go to the place where the interphone is installed.

According to the auxiliary aspect of the present invention, such a home auto interface unit also receives a detection signal output from the crime prevention / disaster prevention terminal. Accordingly, when a detection signal is input from the crime prevention / disaster prevention terminal, an alarm sound and the like are output, and at the same time, an alarm sound signal and an alarm content are output to a mobile computer, so that a user can easily recognize and quickly recognize the mobile computer. Can cope

A mobile computer according to an aspect of the present invention for achieving the above object is to receive a variety of data transmitted from the audio / video device, the radio transceiver for transmitting a control command and the data received from the radio transceiver A packet converter for distinguishing and packetizing voice data input through the voice input unit for each application, and restoring the compressed voice data received from the packet converter into an analog signal. A voice signal processing unit for converting and compressing a signal input through the digital unit into a digital signal, a voice input / output unit for outputting a voice signal extended through the voice signal processing unit through a speaker, and inputting a voice through a microphone; Image signal processing for restoring the compressed image signal received from the transceiver A control command to the audio / video apparatus according to a control unit inputted to a display unit; an image output unit for outputting the output of the image signal processor to a display device; a data input unit for inputting a control signal or text; It characterized in that it comprises a control unit for transmitting and controlling the entire component.

On the other hand, the mobile computer according to the auxiliary aspect of the present invention is characterized in that it comprises a web browser for executing a web page corresponding to the URL address input through the data input unit through the multi-function audio / video device.

According to this aspect, the mobile computer according to the present invention can search the Internet through the multifunctional audio / video device.

According to a further aspect of the present invention, the mobile computer further comprises an image signal input unit, and processes and processes the signal input through the image signal input unit.

These and further aspects of the present invention will become more apparent through the preferred embodiments described below with reference to the accompanying drawings. Hereinafter, the present invention will be described in detail to enable those skilled in the art to easily understand and reproduce the present invention.

1 schematically shows an embodiment of a mounting state of a multifunction audio / video system according to the present invention. As shown, the multifunction audio / video system according to an embodiment of the present invention may be attached to the bottom of the sink which is a kitchen furniture installed in the kitchen, and the audio / video device 100 may be attached to the bottom of the multifunction audio / video device 100. The mobile computer 200, which serves as a monitor communicating with the mobile phone 200, is rotatably coupled to the front, rear, left, and right sides, and the mobile computer 200 is detachable from the multifunction audio / video device 100. However, the present invention is not limited thereto, and the mobile computer 200 may be installed on the multifunction audio / video device 100.

According to this aspect, in the multi-function audio / video system according to an embodiment of the present invention, the audio / video device 100 and the mobile computer 200 may be separated to carry the mobile computer 200 indoors. .

In the system, the audio / video device 100 is equipped with an antenna to receive over-the-air signals and is connected to a public telephone network so that telephone calls with the outside are possible. Data communication and internet browsing are also available through the network interface inside the audio / video device. In addition, it is possible to manage and control various home automation devices through the home auto interface unit.

On the other hand, the mobile computer 200 according to an aspect of the present invention, even when separated from the audio / video device 100, various devices performed by the audio / video device through wireless communication with the multi-function audio / video device 100 It is used as output means such as alarm output of door control and security / disaster prevention terminal through videophone or interphone. In addition, the mobile computer 200 can control various functions of the audio / video device through communication with the audio / video device, as well as compose, send and receive e-mail, and search the Internet.

Accordingly, the user can easily manage the home automation devices by carrying the mobile computer away from the audio / video device or carrying the mobile computer, or searching the Internet through the audio / video device. Therefore, the user can conveniently live in a space such as a house or an office regardless of the place. In addition, you can freely send and receive e-mails and search for information without moving from a computer or a portable terminal.

Now, the audio / video device and the mobile computer constituting the multifunction audio / video system according to the present invention will be described in detail. First, FIG. 2 schematically illustrates a configuration of an audio / video device in a multifunctional audio / video system according to the present invention.

As shown, the audio / video apparatus 100 according to an embodiment of the present invention includes a network interface unit 104, a home auto interface unit 105, an audio signal processor 108, an image signal processor 109, and a packet. The converting unit 110, the wireless transmitting and receiving unit 111, and the control unit 112 are included. In addition, a telephone circuit unit 101, an audio circuit unit 102, a TV tuner unit 103, a voice selection unit 106, and a voice input / output unit 107 are included. And although not shown, a power supply.

The telephone circuit unit 101, the audio circuit unit 102 and the TV tuner unit 103, the voice selector 106 and the voice input / output unit 107 are described in the Republic of Korea filed by the same applicant Patent Application No. 10-2002-0004157 describes the details of which is incorporated herein as part of this application.

The multifunction audio / video system according to the present invention is connected to the Internet via the network interface 104. That is, the application-specific data collected by the audio / video device is transmitted to an external server or the like, and the data packet is received therefrom. As such a network interface unit, a LAN port or a modem can be used. Accordingly, the multi-function audio / video system according to the present invention has an advantage in that various types of information can be easily obtained since an e-mail can be transmitted and received through communication with an external device, and through this, the Internet can be searched.

The voice signal processing unit 108 converts, compresses and outputs the audio signal input to the mobile computer to output the voice signal output from the voice selection unit 106 to the mobile computer. The compressed voice data input from the user is decompressed and outputted to the voice selector 106.

The image signal processing unit 109 converts the image signal input through the TV tuner unit 103 into digital, compresses and outputs it. The compressed image signal is output by mixing the packet converter 110 into a single stream together with the control signal of the controller 112. This is because the data transfer speed can be increased during data transfer, and data loss or corruption can be prevented. On the other hand, the image signal processing unit 109 compresses the image signal in this way and includes various protocols. For example, MPEG-II or MPEG-I is used for compressing a TV image signal, and H.232 is used for compressing a video signal received through the network interface unit 104 when making a video call. Include a protocol.

The packet conversion unit 110 packetizes data input from the network interface unit 104, the audio signal processing unit 108, and the image signal processing unit 109 separately for each application, and packetizes the data received from the mobile computer. Dispose separately. By doing so, the multifunctional audio / video device according to the present invention can simultaneously process the various functions.

The wireless transceiver 111 transmits a signal output from the packet converter 110 to a mobile computer, and receives control commands and various data from the mobile computer. The wireless transceiver 111 is an RF modulation for communication with a mobile computer, and it is preferable to transmit and receive data by wireless LAN, Bluetooth, or home RF.

The controller 112 controls the components of the audio / video device 100 according to an operation signal by a key button of an audio / video device or a control command of a mobile computer input from the wireless transceiver 111. do. For example, when the user is listening to the radio, when the telephone comes in, the voice selection unit 106 is controlled to mute the output of the radio and make a telephone call according to a control signal from the user's mobile computer. When the telephone call is completed, the radio is muted and the voice signal of the radio is output.

In addition, the controller 112 requests the network interface unit 104 for the URL address received from the mobile computer through the wireless transceiver 111, and transmits the received web data to the wireless transceiver 111. Control to transmit to the mobile computer.

Meanwhile, according to an auxiliary aspect of the present invention, the audio / video device 100 can communicate with a plurality of mobile computers assigned different IPs. Therefore, according to this additional aspect of the present invention, a user can have a single multi-function audio / video device at home or an office and use a plurality of mobile computers to independently watch TV, as well as e-mail and Internet search. This is possible.

In addition, the multi-function audio / video device 100 according to an embodiment of the present invention is a multi-function audio / video device through dynamic allocation to allocate a TV tuner to a mobile computer according to the control signal of the controller 112. Person can enjoy the same function as above.

Meanwhile, the multifunction audio / video device 100 according to an embodiment of the present invention further includes a home auto interface unit 105 connected to home automation devices installed in a home or an office. As a home automation device connected through the multi-function audio / video device 100 and the home auto interface unit 105 according to an embodiment of the present invention, at least door management devices such as video phones or interphones, gas and intrusions, etc. It includes a crime prevention / disaster prevention terminal.

According to this aspect, the voice selector 106 selectively selects the voice signal of the interphone or videophone received from the home auto interface unit 105 and the voice output of the telephone circuit unit 101 and the audio circuit unit 102. Will print. The image signal processing unit 109 converts and compresses the image signal of the video phone received from the home auto interface unit 105 into digital. In this case, MPEG-IV is preferably used. The multi-function audio / video device 100 may perform data communication with the home automation devices through a wired or wireless LAN and may also perform data communication by a power line method.

On the other hand, the multi-function audio / video device 100 according to this aspect, for example, when the detection signal is input from the crime prevention / disaster prevention terminal through the home auto interface unit 105 when the TV, telephone or audio is driven, The control unit 112 mutes the driving device, and according to the signal input from the crime prevention / disaster prevention terminal, the type and occurrence of the disaster prevention / crime prevention and the corresponding alarm sound to the voice input / output unit 107 and the mobile computer At the same time, the text data corresponding to the detected signal is generated and output to output the security / disaster prevention signal detected through the security / disaster prevention terminal to the mobile computer.

In addition, the multi-function audio / video device 100 according to another embodiment of the present invention may control and manage various home automation devices through the home auto interface 105 through a telephone or the Internet from the outside.

As described above, the multi-function audio / video device of the multi-function audio / video system according to the present invention receives and outputs a telephone call and an over-the-air signal or transmits the compressed signals for each application to the mobile computer using wireless communication with the mobile computer. By outputting, it is possible to send and receive e-mails and to access the Internet through communication with external devices in addition to telephone calls, radios, and TV viewing from a mobile computer, thereby providing various information to the user.

3 schematically illustrates the configuration of a mobile computer in the multifunctional audio / video system according to the present invention. As illustrated, the mobile computer 200 includes a wireless transceiver 201, a packet converter 202, an audio signal processor 203, an audio input / output unit 205, an image signal processor 204, and an image output unit. 206, a data input unit 208, and a control unit 209. And an image signal input section 207 in accordance with an additional aspect of the present invention.

The wireless transceiver 201 receives various data transmitted from the audio / video device and transmits a control command of the audio / video device according to a user's operation signal. Meanwhile, the wireless transceiver 201 transmits and receives data by performing RF modulation for communication with an audio / video device, and transmits and receives data by wireless LAN, Bluetooth, or home RF.

The packet converter 202 distinguishes and outputs data received from the wireless transceiver 201 for each application, and outputs the data input through the voice input / output unit 205 to the application of the audio / video device. The packet is output to the wireless transceiver 201 for packetizing.

The voice signal processor 203 restores the compressed voice data received from the packet converter 202 into an analog signal and digitally converts the voice signal input through the microphone of the mobile computer during a telephone call, video phone call or interphone call. Convert and compress

The voice input / output unit 205 outputs the voice signal extended through the voice signal processor 203 to the speaker. In addition, when making a call using the mobile computer 200, a voice is input through a microphone formed in the mobile computer.

The image signal processing unit 204 processes the image data so that the image signal received from the packet conversion unit 202 can be viewed on a mobile computer for each application, and the compressed image received from the wireless transmission / reception unit 201 is processed. Restore the signal. The image signal processing unit 204 converts the e-mail received from the wireless transmission / reception unit 201 into a predetermined format and outputs it to the display device. The electronic mail input through the data input unit 208 is converted into a format that can be communicated with the outside through the network interface unit 104 of the audio / video device.

The image output unit 206 outputs the output of the image signal processing unit 204 to a display device.

The data input unit 208 inputs control commands for the audio / video device and the mobile computer, data for e-mail or Internet search, etc. The data input unit 208 according to an additional aspect of the present invention Various data may be input through a keyboard connected to a mobile computer, and also may be input by a touch screen or a pen input. In particular, when inputting data using a touch screen or a stylus pen, there is an advantage that data can be input more conveniently and easily due to the characteristics of a mobile computer separated from an audio / video device.

The controller 209 outputs a control command to the audio / video device according to a control signal input through the data input unit 208, and controls all components of the mobile computer 200.

According to such a configuration, the mobile computer 200 according to an embodiment of the present invention, for example, when the TV image signal is output to the image output unit 206, the crime prevention / disaster prevention from the packet conversion unit 202 When a signal related to the input is input, the control unit 209 mutes the audio signal of the TV being driven and outputs a voice warning, while the contents on the screen, that is, the type and location of crime prevention / disaster prevention, time, etc. Controls to switch to disaster prevention / crime warning mode to flash with text caption. In this case, the control unit 209 may also send a warning message to the apartment management room, a nearby police box, a fire station, or send a warning message to a predetermined telephone or e-mail.

In addition, according to another embodiment of the present invention, when the mobile computer 200 receives the video and audio signals through the video phone or the interphone while the audio is being driven, the control unit 209 outputs the audio of the driving audio. Mutes the control signal to output the audio signal of the video phone or the interphone, and outputs the video signal of the video phone through the image output unit 206. Through this, the user can check the visitor and make a call. When the call is completed, the user releases the mute and outputs an audio signal.

Meanwhile, according to an auxiliary aspect of the present invention, the mobile computer 200 includes a web browser for executing a web page corresponding to the URL address input through the data input unit 208 through the multifunction audio / video device. According to this aspect, the user can easily obtain various information through internet search regardless of the place in the room.

In addition, according to an additional aspect of the present invention, the mobile computer 200 further includes an image signal input unit 207 for receiving a video call through a camcorder or a video camera. According to this aspect, the image signal processing unit 204 compresses the image signal input through the image signal input unit 207. The packet converter 202 distinguishes and packetizes data input from the image signal processor 204 and the audio signal processor 203 for each application.

As described above, the multi-function audio / video system according to the present invention bidirectionally communicates various data between the multi-function audio / video device and the mobile computer for each application, thereby preventing crosstalk between data and executing each application. There is an advantage that can be easily controlled. In addition, the mobile computer can be carried with the mobile computer or can be used to send and receive e-mail and search the Internet through the mobile computer. Also, the home automation interface can control various functions of the home automation system from the mobile computer. And enjoy a comfortable life.

As described above, the multi-function audio / video system according to the present invention uses a wireless communication in a spatially limited place to watch a telephone call and a TV or listen to a radio through a mobile computer which is moving or separated from the moved place. It is possible.

In addition, the e-mail can be transmitted and received through a mobile computer separated from the moving or moving place, and the Internet can be searched to obtain various information easily.

In addition, the mobile computer allows the user to call the interphone or video phone without moving the place even when the visitor comes and can control these devices, which can be conveniently used in a limited place such as home or office.

In addition, when a fire, gas detection or outsider intrusion is detected, wireless communication can be used to notify the user through the mobile computer and control these functions with the mobile computer at the same time so that they can respond quickly to emergency situations such as crime prevention and disaster prevention. have.

While the present invention has been described with reference to the accompanying drawings, it will be apparent to those skilled in the art that many various obvious modifications are possible without departing from the scope of the invention from this description. Therefore, the scope of the invention should be construed by the claims described to include many such variations.

Claims (16)

A voice selection section for selectively outputting a telephone circuit section, an audio circuit section, a TV tuner section, and a voice output of the telephone circuit section and the audio circuit section; In the multi-function audio / video device including a voice input / output unit for outputting a voice signal selected by the voice selection unit to a speaker, and inputs a voice through a microphone, A network interface unit converting the data into a transmission format capable of data communication with the outside; A voice signal processing unit which converts and compresses the voice signal input from the voice selecting unit into digital, and expands the voice data transmitted from the mobile computer; An image signal processing unit which converts and compresses an image signal input from the TV tuner unit into digital; A packet converter which separates and inputs data input from the network interface unit, the audio signal processor, and the image signal processor for each application, and separates and processes data transmitted and received from the mobile computer; A wireless transceiver for transmitting data packetized by the packet converter to the mobile computer, receiving control commands and data transmitted from the mobile computer, and outputting the received data to the packet converter; A control unit controlling each component according to a control command of the mobile computer received through the packet conversion unit; Multifunctional audio / video device comprising a. The method of claim 1, wherein the control unit: Control each component according to a control command received from the wireless transceiver and request a URL address received from a mobile computer to the network interface to transmit the received web data to the mobile computer through the wireless transceiver. Multifunctional audio / video device. The device according to claim 1 or 2, wherein the multifunction audio / video device comprises: A multifunction audio / video device characterized by communicating with a plurality of mobile computers assigned different IPs. The device of claim 1 or 2, wherein the multifunction audio / video device comprises: It further comprises a home auto interface unit for receiving a video and audio signal input from a video phone or an interphone, The voice selector selectively outputs the voice signal of the interphone received from the home auto interface unit and the voice output of the telephone circuit unit and the audio circuit unit, And the image signal processing unit converts the image signal of the video phone received from the home auto interface unit and the image signal of the TV tuner unit into digital and compresses the image signal. The method of claim 4, wherein Multi-function audio / video device, characterized in that the data transmission and reception between the video phone and the interphone and the home auto interface unit by wired, wireless LAN or power line. The method of claim 4, wherein the home auto interface unit: A multifunction audio / video device characterized by receiving a detection signal detected from a security / disaster prevention terminal. The method of claim 6, Multi-function audio / video device, characterized in that the transmission and reception of the data between the security / disaster prevention terminal and the home auto interface unit by wired, wireless LAN or power line. A mobile computer communicating with a multifunction audio / video device, A wireless transceiver for receiving various data transmitted from the audio / video device and transmitting a control command; A packet converter which separates the data received from the wireless transceiver and distinguishes and outputs the received voice data for each application, and packetizes the input voice data for each application; A voice signal processor for restoring the compressed voice data received from the packet converter into an analog voice signal, converting and compressing the input analog voice signal into a digital signal and outputting the digital voice signal to the packet converter; A voice input / output unit for outputting the analog voice signal restored through the voice signal processor through a speaker and outputting the analog voice signal input through a microphone to the voice signal processor; An image signal processing unit for restoring the compressed image signal received from the wireless transceiver; An image output unit which outputs an output of the image signal processing unit to a display device; A data input unit for inputting a control signal or text; A control unit which transmits a control command to the audio / video device according to a control signal input through the data input unit and controls all components; A mobile computer comprising a. 10. The system of claim 8, wherein the mobile computer is: And a web browser for executing a web page corresponding to the URL address input through the data input unit through a multifunction audio / video device. 10. The method of claim 8 or 9, wherein the data input unit: A mobile computer comprising any one of a keyboard, a pen input, and a touch screen connected to the mobile computer. The mobile computer of claim 8, wherein the mobile computer comprises: It further comprises a video signal input unit for receiving a video signal for a video call, The image signal processor compresses an image signal input from the image signal input unit, And the packet converter divides the data input from the image signal processor and the audio signal processor into packets for each application. A voice selection unit for selectively outputting a telephone circuit unit, an audio circuit unit, a TV tuner unit, a voice output of the telephone circuit unit and an audio circuit unit, and outputs a voice signal selected by the voice selection unit to a speaker, and through a microphone A multifunction audio / video system comprising a multifunction audio / video device comprising a voice input / output unit for inputting voice and a mobile computer communicating with the multifunction audio / video device, the multifunction audio / video device comprising: A network interface unit converting the data into a transmission format capable of data communication with the outside; A voice signal processor for converting and compressing the voice signal input from the voice selector to digital, and for expanding the voice data transmitted from the mobile computer; An image signal processing unit which converts and compresses an image signal input from the TV tuner unit into digital; A packet converter which separates and inputs data input from the network interface unit, the audio signal processor, and the image signal processor for each application, and separates and processes data transmitted and received from the mobile computer; A wireless transceiver for transmitting data packetized by the packet converter to the mobile computer, receiving control commands and data transmitted from the mobile computer, and outputting the received data to the packet converter; And a controller configured to control each component according to a control command of the mobile computer received through the packet converter. The mobile computer is: A wireless transceiver for receiving various data transmitted from the audio / video device and transmitting a control command; A packet converter which separates the data received from the wireless transceiver and distinguishes and outputs the received voice data for each application, and packetizes the input voice data for each application; A voice signal processor for restoring the compressed voice data received from the packet converter into an analog voice signal, converting and compressing the input analog voice signal into a digital signal and outputting the digital voice signal to the packet converter; A voice input / output unit for outputting the analog voice signal restored through the voice signal processor through a speaker and outputting the analog voice signal input through a microphone to the voice signal processor; An image signal processing unit for restoring the compressed image signal received from the wireless transceiver; An image output unit which outputs an output of the image signal processing unit to a display device; A data input unit for inputting a control signal or text; And a control unit for transmitting a control command to the audio / video device and controlling all components according to the control signal input through the data input unit. The method of claim 12, The mobile computer is: A web browser for executing a web page corresponding to the URL address input through the data input unit through the multifunction audio / video device; The controller of the multifunction audio / video device is: And requesting the URL address received from the mobile computer to the network interface unit to transmit the received web data to the mobile computer through the wireless transceiver. The computer of claim 12 or 13, wherein the mobile computer is: It further comprises a video signal input unit for receiving a video signal for a video call, The image signal processor compresses an image signal input from the image signal input unit, And the packet converter divides the data input from the image signal processor and the audio signal processor into packets for each application. The device of claim 12 or 13, wherein the multifunction audio / video device comprises: It further comprises a home auto interface unit for receiving a video and audio signal input from a video phone or an interphone, The voice selector selectively outputs the voice signal of the interphone received from the home auto interface unit and the voice output of the telephone circuit unit and the audio circuit unit, And the image signal processing unit converts the image signal of the video phone received from the home auto interface unit and the image signal of the TV tuner unit into digital and compresses the image signal. The method according to claim 12 or 13, And transmitting / receiving video / audio and data signals between the multifunction audio / video device and a mobile computer using a wireless LAN method.