KR20090013614A - Modem for internet communication using two wires for home telephone - Google Patents

Abstract

The present invention relates to a modem for internet communication using two wires for home telephones. The technical problem to be solved is to share a computer, IpTV, VoIP phone, and IP set-top box with each other without additional installation of an internet line, To connect.

To this end, the present invention is a terminal unit connected to a terminal having an Internet communication function, and a controller electrically connected to the terminal unit to output a TCP / IP digital signal from the terminal, or to restore a signal input from the outside to a TCP / IP digital signal And a coupling circuit unit electrically connected to two wires at the same time, electrically connected to the control unit, to transmit an analog signal from the control unit to two wires, or to receive and transmit an analog signal from the two wires to the control unit. Disclosed is a modem for internet communication using two telephone lines.

Description

Modem for Internet Communication Using Two-Wire Telephone for Home Phones {To internet-communicate with UTIC Modem using only two-wire in the household}

The present invention relates to a modem for internet communication using two wires for home telephones, and more specifically, to a computer, an IpTV, a VoIP phone, an IP set-top box, and the like, without additional installation of an Internet line, mutually connected, and connected to an Internet line. The present invention relates to a modem for internet communication using two wires for home telephones.

With the establishment of the Internet based on the TCP / IP (Transfort Control Protocol / Internet Protocol), various communication networks are being integrated around the Internet, and the number of high-speed Internet subscribers is rapidly increasing. As a result, many apartments and houses have ADSL modems and cable modems for high-speed Internet access. Recently, homes with two or more computers have been increasing, and home appliances such as IpTV, VoIP phones, and IP set-top boxes have been released one after another. Is coming.

However, the existing network of apartments and houses is designed to distribute only incoming telephone lines to designated areas such as living rooms and rooms, so that many Internet communication devices used in one home, such as computers, IpTVs, VoIP phones, and IP set-tops. There is a problem that it is inconvenient to connect the box to a local area network (LAN). In addition, if you want to share a plurality of computers, IpTV, VoIP phones and IP set-top box, etc. in one Internet line, there is an uncomfortable problem of installing a separate switching hub or router and wiring. In addition, as described above, when the home networking is built using a separate switching hub or an internet router, the switching hub or the internet router and the wiring are exposed to the living room as it is.

The present invention is to overcome the above-mentioned conventional problems, an object of the present invention is to share a computer, IpTV, VoIP phone and IP set-top box with each other without additional installation of the Internet line, and can be connected to the Internet line The present invention provides a modem for internet communication using two wires for a telephone.

In order to achieve the above object, a modem for internet communication using two wires for a home telephone according to the present invention comprises: a terminal unit connected to a terminal having an internet communication function; A control unit electrically connected to the terminal unit to output a TCP / IP digital signal from the terminal or to restore a signal input from the outside into a TCP / IP digital signal; And a coupling electrically connected to the two wires at the same time, the analog signal from the controller being transmitted to the two wires, or the analog signal received from the two wires and transmitted to the controller. It consists of a circuit part.

The terminal may be at least one computer, an IpTV, a VoIP phone, an IP set top box, an internet router, or a network camera. In addition, the terminal unit and the terminal may be connected to each other by a UTP cable (Unshielded Twisted Pair cable).

A physical interface unit may be further electrically connected between the terminal unit and the control unit.

Further, a digital analog converter for converting a digital signal from the controller into an analog signal and a transmitter for transmitting an analog signal from the digital analog converter to a coupling circuit portion may be further connected between the control unit and the coupling circuit unit. In addition, a receiving unit converting an analog signal from the coupling circuit unit into a digital signal and transferring the analog signal from the coupling circuit unit to the control unit may be further connected between the control unit and the coupling circuit unit.

As described above, the modem for Internet communication using two wires for home telephones according to the present invention can easily share a computer, an IpTV, a VoIP phone, an IP set-top box, etc., and connect them to the Internet line without additional installation of the Internet line. .

In addition, the modem for Internet communication using two wires for home telephones according to the present invention uses two wires, but enables 1: N communication as well as 1: 1 communication.

In addition, in recent years there are many places where not only two wires but also four wires are installed in the home, but if you do not want to share them with a telephone, two wires are used as telephone lines and the other two wires according to the present invention. Using modems for Internet communication eliminates the factors that can interfere with each other between modems and telephone lines, further increasing efficiency.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings such that those skilled in the art may easily implement the present invention.

1 is a block diagram showing the configuration of a modem for internet communication using two lines for a home telephone according to the present invention.

As shown in FIG. 1, a modem 100 for internet communication using two wires for a home telephone according to the present invention includes a terminal unit 110, a physical interface unit 120, a control unit 130, a digital-to-analog converter 140, and a transmission unit. 150, a receiver 160, a coupling circuit 170, and a power supply 180. Here, two common wires 20 or two wires 20 for telephones may be electrically connected to the coupling circuit unit 170.

The terminal unit 110 is electrically connected to a terminal 10 having an internet communication function. The terminal unit 110 may be formed of an RJ-45 connector or an equivalent thereof so that a conventional UTP cable (Unshielded Twisted Pair cable) can be easily connected, but the type of the terminal unit 110 is not limited thereto.

The physical interface unit 120 is electrically connected between the terminal unit 110 and the control unit 130. The physical interface unit 120 transmits an electrical signal output from the terminal unit 110 to the control unit 130 and at the same time transmits an electrical signal output from the control unit 130 to the terminal unit 110. do.

The controller 130 is electrically connected to the physical interface unit 120, the digital analog converter 140, and the receiver 160. In addition, the controller 130 may be electrically connected to a flash memory 131 storing an operation algorithm or a program and a RAM 132 (RAM) that performs a temporary storage function. The controller 130 outputs the TCP / IP digital signal from the terminal unit 110 or restores the signal input from the outside to the TCP / IP digital signal. The controller 130 may be any one selected from a general digital signal processor and equivalents thereof, but the type of the controller 130 is not limited thereto.

The digital to analog converter 140 is electrically connected between the controller 130 and the transmitter 150. The digital analog converter 140 converts the TCP / IP digital signal from the controller 130 into an analog signal and outputs the analog signal.

The transmitter 150 is electrically connected between the digital analog converter 140 and the coupling circuit unit 170. The transmitter 150 amplifies an analog signal output from the digital analog converter 140 and transmits the amplified analog signal to the coupling circuit unit 170.

The receiver 160 is electrically connected between the controller 130 and the coupling circuit unit 170. The receiver 160 converts an analog signal received from the coupling circuit unit 170 into a TCP / IP digital signal and outputs the converted signal to the controller 130.

 The coupling circuit unit 170 is electrically connected between the transmitting unit 150, the receiving unit 160, and the two wires 20. The coupling circuit unit 170 transmits an analog signal from the transmitter 150 to the two wires 20 and also receives an analog signal from the two wires 20 to the receiver 160. Do it.

The power supply unit 180 includes the physical interface unit 120, the control unit 130, the flash memory 131, the RAM 132, the digital-to-analog converter 140, the transmission unit 150, and the reception unit ( 160 to supply a predetermined power.

2 is a block diagram illustrating a state in which an internet communication terminal and another modem are connected to a modem for internet communication using two wires for a home telephone according to the present invention.

As shown in FIG. 2, the terminal 10 connected to the terminal unit 110 may be a computer 11, an IpTV 12, a VoIP phone 13, an IP set top box 14, or a network camera (not shown). However, the type of the terminal 10 is not limited thereto. That is, in the present invention, any electronic product having an internet communication function may be the terminal 10.

In addition, the terminal unit 110 and the terminal 10 may be electrically connected to each other by an Unshielded Twisted Pair cable or an equivalent thereof. Of course, in addition to the UTP cable, various connection cables may be applied to the present invention.

In addition, the modem 100 for internet communication using two wires for home telephones according to the present invention may be electrically connected to other modems 101, 102,..., N through two wires 20. That is, the present invention enables not only 1: 1 communication but also 1: N communication.

3A to 3G are block diagrams illustrating network interface methods of various Internet communication modems according to the present invention.

As shown in Figure 3a, the present invention can be used to build a home Internet network using a general telephone line, interphone line or coaxial cable (20). That is, any one modem 100 according to the present invention is electrically connected to a switch or router 15 to become an access point or an internet hub. Of course, the other modems 101, 102, ..., N connected to the telephone line, the interphone line or the coaxial cable 20 become terminals. That is, although the wires are connected in a multi-drop manner to the same wiring, the modem 100 connected to the Internet router 15 automatically becomes an access point or an Internet hub, and the rest becomes a normal terminal interface.

In this way, the present invention easily forms the Internet network or the internal local area network through two lines such as a telephone line using a plurality of modems.

Of course, various terminals having an Internet communication function may be electrically connected to the modems 101, 102, ..., N through a UTP cable. For example, a first computer may be electrically connected to one modem 101, a VoIP phone may be electrically connected to another modem 102, and a second computer may be electrically connected to another modem N. Here, this connection relationship is only one example and does not limit the present invention to such a network configuration.

In the figure, reference numeral 16 denotes an xDSL modem connected to the Internet router 15, and 17 denotes a public switched telephone network (PSTN).

As shown in FIG. 3B, the present invention can be applied to the case where four-line lines are installed and for example, xDSL and a general telephone service company are different. That is, when the telephone line 20 is connected to the general telephone subscription line 17_1, the modem 100 serving as an access point and the other modems 101, 102,..., N serving as the remaining terminal interfaces are electrically connected. Subsequently, the xDSL modem 16 is connected to the xDSL subscription line 17_2 supplied by the xDSL service company, and the switch or router 15 is connected to the xDSL modem 16. Here, the modem 100 is connected to the router 15 as an access point. Then, the remaining modems 101, 102, ..., N naturally become terminal interfaces. In the figure, reference numeral 22 denotes a general telephone connected to the telephone line 20.

As shown in Fig. 3c, the present invention can be effectively applied when a four-line line is installed and, for example, xDSL and a general telephone service company are the same. That is, the telephone line 20 is connected to the xDSL and the general telephone service subscription line 17, and the ordinary telephone is connected thereto.

Subsequently, the xDSL modem 16 is connected to the xDSL and the general telephone service subscription line 17 through another telephone line 20, and the switch or router 15 is connected to the xDSL modem 16. Then, the modem 100 serving as an access point is electrically connected to the Internet router 15, and other modems 101, 102,..., N serving as the remaining terminal interfaces are electrically connected through two general lines. .

As shown in FIG. 3D, the present invention may be implemented using an interphone line. That is, the modem 100 serving as an access point is electrically connected to the interphone line 26 connecting the interphone 24 and the interphone 24, and the other modems 101, 102,..., N serving as the terminal interface are also connected. It may be electrically connected to the interphone line 26. Of course, the modem 100 that becomes the access point is electrically connected to a switch or router 15, the router 15 is electrically connected to the xDSL modem 16, the xDSL modem 16 is It is again electrically connected to the general telephone service subscription line 17.

As shown in FIG. 3E, the present invention may be implemented using a coaxial cable. That is, a coaxial cable 28 may be connected to the local SO operator network, and a network in which the cable television 30 is connected to the coaxial cable 28 may be used. For example, the modem 100 serving as an access point is electrically connected to the coaxial cable 28, and the remaining modems 101, 102,..., N serving as a terminal interface are electrically connected to the coaxial cable 28. Can be connected. Of course, the modem 100 that becomes the access point is electrically connected to a switch or router 15, the router 15 is electrically connected to the xDSL modem 16, the xDSL modem 16 is It is again electrically connected to the general telephone service subscription line 17.

What has been described above is only one embodiment for implementing a modem for Internet communication using two wires for home telephones according to the present invention, the present invention is not limited to the above-described embodiment, it is claimed in the claims As will be apparent to those skilled in the art to which the present invention pertains without departing from the gist of the present invention, the technical spirit of the present invention may be changed to the extent that various modifications can be made.

1 is a block diagram showing the configuration of a modem for internet communication using two lines for a home telephone according to the present invention.

2 is a block diagram illustrating a state in which an internet communication terminal and another modem are connected to a modem for internet communication using two wires for a home telephone according to the present invention.

3A to 3G are block diagrams illustrating a network interface method of a modem for internet communication according to the present invention.

<Description of Major Symbols in Drawing>

100; Modem for internet communication using two lines for home telephone according to the present invention

110; Terminal

120; Physical interface

130; Control

140; Digital to analog converter

150; Transmitter

160; Receiver

170; Coupling Circuit Part

180; Power supply

Claims (6)

A terminal portion connected to a terminal having an internet communication function; A control unit electrically connected to the terminal unit to output a TCP / IP digital signal from the terminal or to restore a signal input from the outside into a TCP / IP digital signal; And, A coupling circuit unit electrically connected to the control unit and electrically connected to two wires at the same time to transmit an analog signal from the control unit to the two wires, or to receive an analog signal from the two lines and transmit the analog signal to the control unit. Modem for internet communication using two wires for home telephones, characterized in that made. The modem of claim 1, wherein the terminal is at least one computer, an IpTV, a VoIP telephone, an IP set-top box, an internet router, or a network camera. The modem of claim 1, wherein the terminal unit and the terminal are connected to each other by a UTP cable (Unshielded Twisted Pair cable). The modem of claim 1, wherein a physical interface unit is further electrically connected between the terminal unit and the control unit. The digital analog converter of claim 1, further comprising a digital analog converter for converting a digital signal from the controller into an analog signal and a transmitter for transmitting an analog signal from the digital analog converter to a coupling circuit portion. Modem for internet communication using two wires for home telephones, characterized in that. The Internet using two wires for home telephones according to claim 1, wherein a reception unit for converting an analog signal from the coupling circuit unit into a digital signal and transferring the analog signal from the coupling circuit unit to the control unit is further connected between the control unit and the coupling circuit unit. Communication modem.

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