KR200176784Y1 - Apparatus for connecting television and computer using telephone line - Google Patents

Abstract

The present invention allows a computer equipped with a modem to view a broadcast signal received from a first tuner for receiving a main screen or a second tuner for receiving a sub picture in a picture in picture (PIP) function in an Internet television equipped with a modem. The present invention relates to a television and a computer connection device using a telephone line which can be connected by using a telephone line shared by modems. The method relates to a telephone line connected to a modem by processing a broadcast signal received from an Internet television into a line signal. A first switch 118 for selectively outputting first and second line signals, which are received from first and second tuners for receiving a broadcast signal of a television, are processed and applied as line signals of video and audio, respectively, and are outputted. ) And a telephone line connected to the switch 300 to the first switch 118 and a modem for Internet function. Television transmission means comprising a second switch 120 for selectively connecting to a telephone line, a switching unit 300 for outputting a line signal applied from a transmission unit via a telephone line while cutting off a trunk line telephone line, and an application from the switching unit via a telephone line. And a computer receiving means including a third switch 208 for selectively connecting a connection telephone line with the switching unit 300 to a computer modem and means for processing video and audio of the computer, in order to receive the line signal. It is a convenient way to watch TV broadcasting using a telephone line without installing an A / V line.

Description

TV and computer connection using telephone line

The present invention relates to a television and a computer connection device using a telephone line, and in particular, from an Internet television equipped with a modem, receiving from a first tuner for receiving a main screen or a second tuner for receiving a sub picture in a picture in picture (PIP) function. The present invention relates to a television and a computer connecting device using a telephone line so that a broadcast signal can be connected using a telephone line shared by modems for viewing on a computer equipped with a modem.

In recent years, with the development of multimedia, Internet TVs, which can perform computer communication such as the Internet, have also appeared. Such Internet televisions allow users to perform computer communications, such as the Internet, using a television monitor that is being enlarged, and can perform computer communications through a regular telephone line using a modem function similar to a computer.

On the other hand, most homes are equipped with computers that can communicate as well as Internet TV, that is, have a modem and share a telephone line. However, in the Internet TV, the main screen and sub screens can be simultaneously viewed using the PIP function. If you want to watch the TV had to be equipped with a separate TV receiving card has a problem that you can watch TV broadcast.

Accordingly, the present invention has been sought for a method of remotely viewing through a monitor and a speaker of a computer by transmitting the broadcast signal received from the Internet television to a computer through a telephone line sharing the Internet television.

It is an object of the present invention to provide a television and computer connection apparatus using a telephone line connected to a computer to view a broadcast signal received from an Internet television using a telephone line shared with a computer.

A television and computer connection apparatus using a telephone line according to the present invention is a television transmission means for processing a broadcast signal received from an Internet television into a line signal and outputting the processed line signal to a telephone line connected to a modem, and is applied from a transmitter through a telephone line. And a switching unit for outputting the line signal to be disconnected from the trunk line and a computer receiving unit for receiving the line signal applied from the switching unit through the telephone line.

On the other hand, the telephone line is characterized by consisting of three lines, such as a (Tip) line, a ring (Ring) line, and a ground line used as video and audio lines.

On the other hand, the television transmission means is a first switch for selectively switching the first and second line signals received from the first and second tuners for receiving the broadcast signal of the television and processed and applied as line signals of video and audio, respectively. And a second switch for selectively connecting the connection telephone line with the switching unit to the first switch and the modem for the Internet function.

On the other hand, the computer receiving means is characterized in that it comprises a third switch for selectively connecting the connection telephone line with the switching unit with means for processing video and audio of the modem and the computer.

1 is a schematic block diagram showing a connection between a television and a computer according to the present invention.

2 is a view showing the configuration of a telephone line according to the present invention

3 is a detailed block diagram showing a connection between a television and a computer including a television and a computer connection device using a telephone line according to the present invention.

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

100: Internet TV 102: key input unit

104: TV microcomputer 106: Internet microcomputer

108: modem 110, 114: first and second tuner

112, 116: First and second video / audio processing unit

118, 120: first and second switch

200: computer 202: keyboard

204: central processing unit 206: modem

208: third switch 210: image processing unit

212: monitor 214: voice processing unit

216 speaker 300 switching unit

The above object and various advantages of the present invention will become more apparent from the preferred embodiments of the present invention described below with reference to the accompanying drawings by those skilled in the art.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a schematic block diagram illustrating a connection between a television and a computer according to the present invention, and includes an internet television 100, a computer 200, and a switching unit 300.

In such a configuration, a telephone line connected to the Internet television 100 and a telephone line connected to the computer 200 are typically connected to share a trunk line telephone line, and in the present invention, the Internet television 100 and the computer 200 are connected to communicate with each other. In order to be able to perform the switch unit 300 is provided to cut off the connection to the trunk line telephone line according to the user's switching operation and connects the Internet television 100 and the computer 200.

On the other hand, Figure 2 is a view showing the configuration of the telephone line according to the present invention, in the present invention, instead of using a two-wire telephone line having only a tip line and a ring line as a telephone line connecting the Internet television and a computer. Using a telephone line with a line, two lines, a tip line and a ring line, are used as video and audio transmission and reception lines, and one line is used as a ground line.

3 is a detailed block diagram showing a connection between a television and a computer including a television and a computer connection device using a telephone line according to the present invention, wherein the Internet television 100 includes a key input unit 102 and a TV microcomputer 104. , The Internet microcomputer 106, the modem 108, the first and second tuners 110 and 114, the first and second video / audio processing units 112 and 116, and the first and second switches 118 and 120. The keyboard 202, the central processing unit 204, the modem 206, the third switch 208, the image processing unit 210, the monitor 212, the audio processing unit 214, and the speaker 218 are included.

In this configuration, the key input unit 102 of the Internet television 100 is provided with a plurality of keys for operating the Internet television outputs a key signal corresponding to the user's key operation, the remote control that can normally be input from a remote location Detects and amplifies the key signal carried on the infrared carrier wave transmitted from the remote control unit using the remote controller, and outputs the resultant signal to the TV microcomputer 104.

The TV microcomputer 104 controls the overall operation of the Internet television based on the key signal from the key input unit 102 and selects a broadcast signal to be transmitted due to the user's manipulation of the key input unit 102. And selectively outputs a first switching signal and a second switching signal for disconnecting the modem 108 and transmitting a signal from the first switch 118.

Meanwhile, the Internet microcomputer 106 is a means for forming a communication network for computer communication by controlling the modem 108 based on mutual control with the TV microcomputer 106, and performing communication to an internal ROM (not shown). Is stored, and the video and audio signals applied through the modem 108 are processed into analog signals based on D / A conversion means and RGB conversion means, not shown, respectively. Control the performance of computer communication by controlling the output to the monitor and speakers.

In addition, the modem 108 is driven under the control of the Internet microcomputer 106 and connected to the trunk line through the second switch 120 to perform communication network connection and transmission / reception interfacing with the communication network.

The first tuner 110 is a main tuning means for outputting a broadcast signal received on a corresponding channel corresponding to the control of the TV microcomputer 104, and the second tuner 114 corresponds to the control of the TV microcomputer 104. As a sub-tuning means for outputting a broadcast signal received through a corresponding channel, two tuners are provided to perform a PIP function.

In addition, the first and second video / audio processing units 112 and 116 separately process video and audio signals in line output form and output the broadcast signals applied from the first and second tuners 110 and 114, respectively, and are typically provided in a television. This is a component for transmitting to a line output terminal (A / V).

On the other hand, the first switch 118 is driven to be switched based on the first switching signal from the TV microcomputer 104 so that the line signal from the first video / audio processing unit 112 or the second video / audio processing unit 116 ( Video and audio) to be selectively input-switched and output.

The second switch 120 is driven to switch based on the second switching signal from the TV microcomputer 104 to selectively connect the input telephone line connected to the switching unit 300 to the modem 108 and the first switch 118. In the case of connecting / blocking, and performing the Internet function, the input telephone line is connected to the modem 108, and the input telephone line is connected to the first switch 118 when watching the broadcast signal with the computer 200.

Next, the keyboard 102 of the computer 200 is a means for inputting various commands for performing the operation of the computer, and is provided with a plurality of keys (typically 101 keys, 103 keys, and 106 keys) to provide a user's keys. Outputs a key signal corresponding to the operation.

In addition, although not shown, the central processing unit (CPU) 204 is driven by the key signal from the key input unit 202 as a means for controlling the overall operation of the computer including a ROM, a RAM, a register, and the like. The third switching signal is output when the broadcast signal is processed from the Internet television 100.

In addition, the modem 206 is driven under the control of the central processing unit 204 to convert between analog data handled by an external analog telephone line and digital data handled inside the computer 200 during serial communication of the computer. / D, D / A) and control the formation of a communication network.

Meanwhile, the third switch 208 is selectively switched based on the third switching signal from the central processing unit 204 to connect an input telephone line connected to the switching unit 300 with the modem 206 or the switching unit 300. The input telephone line connected to the modem is disconnected from the modem 206 and output.

The video signal processor 210 processes the line video signal from the third switch 208 into a signal that can be output from the monitor 212 of the computer 200, and the audio signal processor 214 outputs a third signal. The line voice signal from the switch 208 is processed and output as a signal that can be output from the speaker 216 of the computer 200.

Next, the operation process of the television and the computer connection device using the telephone line according to the present invention in the Internet television 100 and the computer 200 having the above-described configuration will be described in detail.

First, when the television and the computer connection device using the telephone line according to the present invention are not normally operated, the switching unit 300 is switched on so that the trunk line telephone line is connected to the Internet television 100 and the computer 200, respectively, The second switch 120 of the television 100 connects the input telephone line to the modem 108 and the third switch 208 of the computer 200 also connects the input telephone line to the modem 206 to connect to the Internet television 100. Each of the computers 200 may perform functions using a trunk line telephone line.

On the other hand, when watching the broadcast signal received from the Internet TV 100 on the computer 200 using a telephone line, the switching unit 300 is selectively switched (in the present invention based on the user's switch operation) switching off state The input telephone lines of the Internet television 100 and the computer 200 are interconnected and the trunk lines connected to the exchange are disconnected.

Therefore, the user can select whether the broadcast signal to be watched using the computer 200 using the predetermined key of the key input unit 102 is a channel received from the first tuner 110 and the second tuner 114. Due to this selection, the TV microcomputer 104 applies a first switching signal to the first switch 118.

Then, the first switch 118 receiving the first switching signal selects and outputs the line video and audio signals processed and output from the first and second video / audio processing units 112 and 116, respectively.

In addition, the TV microcomputer 104 applies a second switching signal to the second switch 120 for connecting the input telephone line connected with the modem 108 to the first switch 118, and the second switch 120 is a TV. The input telephone line is connected to the first switch 118 based on the second switching signal from the microcomputer 104.

Then, the broadcast signal received from the Internet television 200 is transmitted to the computer via the telephone line.

At this time, the Internet television 200 can watch the broadcast signal transmitted to the computer 200 on the main screen or sub screen at the same time, and the power consumption is reduced by cutting off the monitor power of the internet TV 200 (not shown). The broadcast signal may be viewed only by the computer 200 located at a remote place (for example, a room different from the room where the Internet TV 100 is installed).

On the other hand, the central processing unit 204 of the computer 200 applies the third switch to the third switch due to the key signal from the keyboard 202.

Therefore, the third switch 208 disconnects the input telephone line and the modem 206 and outputs the input telephone line to the image processor 210 and the audio processor 214.

Then, the image processor 210 processes the line image signal from the third switch 208 into a displayable signal and applies it to the monitor 212, and the voice processor 214 transmits the line voice from the third switch 208. The signal is processed into a signal that can be output and applied to the speaker 216.

Therefore, the user can watch the broadcast signal received from the Internet television 100 using the Internet television 100 and the computer 200 installed at a remote location.

On the other hand, it will be understood by those skilled in the art that various changes and modifications can be made without departing from the spirit of the present invention.

As described above, according to the present invention, a broadcast signal received from an Internet television is transmitted to a computer through a telephone line using a telephone line shared by the Internet television and a computer, and the received broadcast signal is received and processed by the computer to monitor the computer. By outputting to the speaker, there is an effect that the user can conveniently watch TV broadcast using a telephone line without installing a separate A / V line.

Claims (4)

Television transmission means for processing the broadcast signal received from the Internet television into a line signal and outputting the processed line signal to a telephone line connected to a modem; A switching unit (300) for outputting the line signal applied from the transmitting unit through the telephone line while cutting off the telephone line; A television and computer connection device using a telephone line comprising computer receiving means for receiving a line signal applied from a switching unit via the telephone line. The apparatus of claim 1, wherein the telephone line comprises three lines, a team line, a ring line, and a ground line, which are used as video and audio lines. 3. The television set according to claim 1 or 2, wherein the television transmitting means receives first and second line signals received from first and second tuners for receiving a broadcast signal of a television and processed and applied as line signals of video and audio, respectively. A first switch 118 for selectively switching and outputting; And a second switch (120) for selectively connecting the connection telephone line with the switching unit (300) to the first switch (118) with a modem for internet function. 3. The computer receiver according to claim 1 or 2, wherein the computer receiving means connects a third telephone switch 208 for selectively connecting the connection telephone line with the switching unit 300 to a modem of the computer and means for processing video and audio of the computer. A television and computer connection device using a telephone line, characterized in that it comprises.