KR200189400Y1 - Telephone for use with telephone line and internet line - Google Patents

Abstract

The present invention provides a telephone that can be used both as an internet phone and a landline. A telephone is connected to a trunk line and has a talk circuit unit and a talk circuit unit, a speaker unit, a speaker unit, a microphone for inputting a number or a symbol, the call circuit unit, the speaker unit, and the microphone unit. And a switching unit connected to a sound input terminal and a sound output terminal of the computer, and a central control unit controlling the call circuit unit, a keypad, a connection setting switch unit, and a switching unit. When using a trunk line telephone, the switching unit connects the telephone circuit speaker and the telephone circuit unit of the telephone circuit unit, and connects the telephone circuit unit of the telephone circuit unit with the telephone microphone. The switching unit connects the telephone speaker with the sound output terminal of the computer and the telephone microphone with the sound input terminal of the computer when using an internet phone.

Description

TELEPHONE FOR USE WITH TELEPHONE LINE AND INTERNET LINE}

The present invention relates to a telephone line for both a trunk line and an Internet telephone, which can be used as an Internet telephone by the switching unit of the telephone, and when a telephone comes through a trunk line or to make a telephone call to a telephone line that can use a trunk line telephone. It is about.

With the recent development of the Internet technology, telephone calls have become possible through the Internet. In fact, companies that provide Internet telephony services (such as Sarom's dialpad) have emerged. Internet telephone refers to a telephone system connected through the Internet. That is, a user of an Internet telephone accesses an address for providing a service of the telephone service provider on a computer connected to the Internet. The server of the telephone service provider then delivers the web page to the user's computer to make a call. When the user enters the other party's phone number on the web page, the service provider connects to the specific location close to the other party through the Internet, and the telephone line is connected to the other party's phone from the particular location.

In such Internet phones, a computer speaker and a computer microphone connected to a computer are used instead of a conventional telephone handset. A headset in which the computer speaker and the computer microphone are combined may be used.

Alternatively, a telephone with a handset of the same type as a general trunk line telephone is also proposed. These are called Internet phones or Internet phones. Internet phones are connected to the sound card of a computer. By the way, such an Internet telephone is first limited in its use. It can only be used for Internet telephony.

The present invention was created to solve the above problems, and an object of the present invention is to provide a telephone that can use both an internet phone and a local telephone. All.

Another object of the present invention is to provide a telephone configured to use a keypad of the telephone even when using an internet telephone.

1 is a block diagram of a combined telephone and Internet phone and telephone line according to an embodiment of the present invention

FIG. 2 is a switching state diagram showing a switching state of the switching unit of the telephone of FIG.

* Explanation of symbols for the main parts of the drawings

10: CO Line and Internet Phone

12: call circuit unit 14: central control unit

16: switching section 18: keypad section

19: Connection selector switch 20: Telephone speaker

22: telephone microphone

In order to achieve the above object, the present invention is connected to the sound input terminal and the output terminal of the computer is possible to make an Internet phone call, and can also be a telephone line phone, Internet and CO line phone combined,

A communication circuit part connected to the trunk line and provided with a sending circuit part and a receiving circuit part;

Earpiece speaker,

With a microphone,

A keypad for entering numbers or symbols,

A switching unit connected to the call circuit unit, the receiver speaker, the transmitter microphone, the sound input terminal of the computer, and a sound output terminal;

Is provided with a central control unit for controlling the call circuit unit, keypad, connection setting switch unit, switching unit,

The switching unit,

When using a trunk line telephone, the telephone circuit unit of the call circuit unit is connected to the telephone speaker, the telephone circuit unit of the call circuit unit is connected to the telephone microphone,

When using an Internet telephone, the telephone speaker is connected to the sound output terminal of the computer, and the telephone microphone is connected to the sound input terminal of the computer.

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

Referring to FIG. 1, the trunk line telephone 10 for an Internet telephone according to an embodiment of the present invention is divided into a call circuit unit 12, a central control unit 14, a switching unit 16, a keypad unit 18, and the like. And a connection selection switch 19, a telephone speaker (handset) 20, and a telephone microphone (telephone) 22.

1. Call circuit part 12

The call circuit unit 12 performs basic functions of the telephone function, dialing, tone ringer for receiving a ring, and voice processing for calling. These may be composed of integrated circuits implemented in one chip (ONE-CHIP). The call circuit unit 12 includes a tone ringer 24, a tone controller 26, a line connection controller 28, and a speech circuit.

(1) Rejection of tone ring (24)

The call signal sent from the telephone station is input to the tone ringer 24. The input signal is compared with a signal of an appropriate level, and then a telephone bell (not shown) is driven to ring a bell. The signal to the telephone ring is output after going through the output volume control switch to adjust the size. Preferably, the central control unit 14 may receive a call signal to drive a bell LED for visual display.

(2) tone signal generator (26)

Tone (DTMF) signal generation unit for subscriber number transmission receives a random number selected from the keypad 18 connected through a central control unit (or CPU) 14, and receives a DTMF signal of the corresponding number. To be output to the TEL LINE.

(3) line connection controller

The rotary connection controller detects the state of the connection selection switch 19 of the telephone 10 and turns on the trunk line switching circuit 32 in a ready state for dial transmission of the trunk line. At this time, the selected random number transmitted from the keypad 18 through the central control unit 14 generates the DTMF (composite) signal of the corresponding number from the tone generator 26 and outputs the trunk line. When the call is over and the line select switch 19 is placed in the standby state, the line connection controller 28 causes the switching circuit 32 to be turned off by this signal detection.

(4) speech circuit

When connected to TEL LINE, it is a circuit for calling the other party or calling from outside. The speech circuit section includes a sign circuit section 34 and a talk circuit section 36, each of which is connected to a switching section 16. In the state where the trunk line communication circuit is connected, the telephone microphone 22 and the telephone speaker 24 and the switching unit 16 are connected, and the voice input from the telephone microphone 22 passes through the appropriate amplification circuit and is sent to the trunk line to the other party. Delivered.

2. Phone microphone (22) and phone speaker (24)

The telephone microphone 22 and the telephone speaker 24 are connected to the switching unit 16, respectively. In a preferred embodiment of the present invention, the telephone 10 houses all the components in one handset. However, the telephone may alternatively be configured as a handset which is separate from the telephone body, in which the telephone is equipped with only a telephone microphone and a telephone speaker. In the following embodiment, all components of the telephone are described as a telephone having a configuration provided in the handset.

On the other hand, the telephone handset is provided with a microphone connection terminal for connecting the external microphone 42 for the computer and an external speaker connection terminal for connecting the external speaker 40 for the computer. These connection terminals are connected to a computer microphone and a speaker as shown in FIG. The telephone handset is also provided with a line connecting the speaker output terminal and microphone input terminal of the sound system (sound card) 46 in the computer 44.

3. Keypad section 18 and connection selection switch section 19

The keypad portion 18 is connected to the central controller 14. The keypad unit 18 is provided with a number button and other *, # buttons so as to press the phone number of the other party.

The connection selection switch unit 19 is configured to select a trunk line telephone, standby (here, the standby state refers to a state in which a telephone is not being called) and an internet telephone. The connection selection switch unit 19 is connected to the central control unit 14. In the preferred embodiment, the connection selection switch unit 19 may be composed of one first selection switch for selecting standby and internet telephone, and a second selection switch for selecting trunk line telephone and internet telephone. At this time, it is preferable that the first selection switch is configured so that the switch is automatically operated according to the state of placing or lifting the telephone (handset-type telephone) 10 (for example, in the form of a hook switch in a conventional telephone).

In another embodiment, the connection selection switch unit 19 may be configured as a three-position slide switch (which can generate a signal for selecting a trunk line, a waiting line, or an internet phone for each position).

In the following embodiment, the connection selection switch unit 19 will be described as having a first selection switch and a second selection switch.

4. Switching part

The switching unit 16 is connected to the central control unit 14. As described above, the speech circuit section 36 and the sign language circuit section 34, the telephone speaker 20, and the telephone microphone 22 are connected to the switching section 16. The telephone 10 of the present invention is connected to the computer 44, where the switching unit 16 is connected to the sound input terminal and the sound output terminal of the sound device (sound card) 46 of the computer. The switching unit 16 is also connected to the computer speaker 40 and the computer microphone 42 via the connection terminal.

5. Central control unit

The central control unit 14 controls the call circuit unit 12, the keypad 18, the connection selection switch unit 19, and the switching unit 16 of the telephone. In addition, the central control unit 14 is connected to the computer 44 and functions to input the input of the keypad 18 of the telephone to the computer 44. Meanwhile, the keyboard 48 of the computer is also connected to the central controller 14. Hereinafter, the function of the central controller 14 will be described in detail.

(1) Control by driving the connection selection switch unit 19

When the handset-type telephone 10 is in a down state (or a hook on a wall or a hook installed in a computer), it becomes a trunk line standby state. When the call reception signal transmitted from the telephone station is transmitted in the standby state, the call circuit unit 12 transmits it to the central control unit 14. At this time, when the user lifts up the telephone 10, the first selection switch is operated, and the central control unit 14 instructs the call circuit unit 12 to connect the line and operates the switching unit 16 as described below. Make trunk line connection.

On the other hand, when the telephone 10 is not in the standby state when the telephone line does not come, the first selection switch is operated but the central control unit 14 detects this and operates the switching unit 16 to automatically connect to the Internet telephone. Let's do it.

When the second selection switch (or button) is driven while the telephone is lifted, the telephone line is connected to the trunk line telephone. In the central control unit 14, the call circuit unit 12 generates a DTMF tone signal according to the operation signal of the keypad 18. It prepares to be made, and to operate the switching unit 16 to the state of the trunk line connection.

(2) transfer of keypad input to computer

The central control unit 14 transmits the input of the keypad 18 to the computer 44 while being connected by an Internet telephone.

(3) control of the switching unit 16

Referring to FIG. 2, four switching circuits are provided in the switching unit 16. The first switching circuit 100 switches the connection between the telephone speaker terminal 100a between the sign language circuit terminal 100b of the telephone and one terminal of the third switching circuit 104 described later.

The second switching circuit 102 switches the connection between the telephone microphone terminal 102a and the terminal 102c connected to the telephone circuit terminal 102b of the telephone and one terminal 106c of the fourth switching circuit 106.

The third switching circuit 104 connects the sound system audio (speaker) output terminal 104a of the computer between the computer speaker connection terminal 104b and the terminal 104c connected to the terminal 100c of the first switching circuit 100. Switch the connection. The fourth switching circuit 106 connects the sound system audio (microphone) input terminal 106a of the computer between the computer microphone connector 106b and the terminal 106c connected to the terminal 102c of the second switching circuit 102. Switch the connection.

2 (a), 2 (b) and 2 (c) show a switch connection of standby, internet telephone and trunk line telephone states, respectively, from the top, the first switching circuit, the second switching circuit, the third switching circuit, and the fourth. The switching circuit is shown in order. The operation of the switching unit 16 in this configuration is as follows. First, the computer 44 should be connected to the external microphone 42 and the external speaker 40 when in the standby state. As shown in Fig. 2A, in the third switching circuit 104, the terminal 104a connected to the output terminal of the sound card of the computer 44 is connected to the computer speaker terminal 104b. In the fourth switching circuit 106, the terminal 106a connected to the input terminal of the sound card of the computer 44 is connected to the microphone terminal 106b for the computer. In this state, the computer is in a normal computer use state in which a microphone and a speaker are connected to the sound system of the computer 44.

When using an internet telephone as the telephone 10, the switching unit 16 should be connected to the telephone microphone 22 and the telephone speaker 20 instead of the external microphone 42 and the external speaker 40, respectively. As shown in Fig. 2B, in the first switching circuit 100, the telephone speaker 100a is connected to the terminal 100c, and in the third switching circuit 104, the sound card output terminal 104a is the terminal. And the two (telephone speaker and sound system of a computer) are connected.

Similarly, in the second switching circuit 102, the telephone microphone 102a is connected to the terminal 102c, and in the fourth switching circuit 106, the sound card input terminal 106a is connected to the terminal 106c so that the two (telephone microphone and Computer's sound system) is connected.

When making a trunk line call with the telephone 10, a connection is made as shown in Fig. 2C. That is, in this case, the telephone speaker 20 is connected to the handset circuit section 34 and the telephone microphone 22 is connected to the handset circuit section 36. Referring to Fig. 2C, in the first switching circuit 100, the telephone speaker terminal 100a is connected to the handset circuit terminal 100b. In the second switching circuit 102a, the telephone microphone terminal 102a is connected to the transmitter circuit terminal 102b.

When making a call over a trunk line, as shown in FIG. 2 (c), the output terminal 104a of the sound card of the computer and the input terminal 106a of the sound card are not connected, and the external speaker and the microphone of the computer Do not transmit sound or audio signals. Alternatively, an external speaker and an external microphone may be connected to the output terminal 104a of the sound card of the computer and the input terminal 106a of the sound card, respectively, even while using a trunk line telephone.

In addition to the main components described above, the telephone 10 has a separate power supply. Alternatively, power may be received from the trunk line or the computer.

On the other hand, the present invention can be applied to a telephone equipped with a headset known as a Saojung telephone. In the above-described embodiment, the first connection switch in the connection setting switch unit 19 is automatically operated by lifting or releasing the handset. On the contrary, the first connection switch constituting the connection setting switch unit in the Saojung phone uses a button or a switch that is directly operated by the user.

Although the present invention has been described with reference to the present invention at all times, the present invention is not limited thereto. Those skilled in the art will appreciate that changes or modifications can be made without departing from the spirit and scope of the present invention, and such modifications or changes will fall within the scope of the present invention.

Internet phone and telephone line combination phone according to the present invention configured and operated as described above may be used to make an Internet call, or can also be used to make a phone call according to the user's needs. In addition, in the preferred embodiment, when the telephone is used, the connection between the computer and the external speaker is cut off so that the telephone call can be made in a quiet atmosphere. When using as an Internet telephone, the keypad of the telephone can be used instead of the keypad on the keyboard of the computer. The telephone can be used in the same manner as when making a local telephone call, so that the telephone can be used without operating the keypad of the computer.

Claims (3)

It is connected to the sound input terminal and output terminal of the computer, and it is possible to make an Internet phone call. A communication circuit part connected to the trunk line and provided with a sending circuit part and a receiving circuit part; Earpiece speaker, With a microphone, A keypad for entering numbers or symbols, A switching unit connected to the call circuit unit, the receiver speaker, the transmitter microphone, the sound input terminal of the computer, and a sound output terminal; Is provided with a central control unit for controlling the call circuit unit, keypad, connection setting switch unit, switching unit, The switching unit, When using a trunk line telephone, the telephone circuit unit of the call circuit unit is connected to the telephone speaker, the telephone circuit unit of the call circuit unit is connected to the telephone microphone, When using an internet phone, the telephone speaker is connected to the sound output terminal of the computer, and the telephone microphone is connected to the sound input terminal of the computer. The apparatus of claim 1, wherein an external speaker and an external microphone are connected to the switching unit. When not using the telephone, the switching unit connects the external speaker to a sound output terminal of the computer, and connects the external microphone to the switching unit. An Internet telephone and a landline telephone combined telephone, which is connected to a sound input terminal. The Internet of claim 1 or 2, wherein a keypad of the telephone is connected to the computer through a central control unit, so that when using an Internet telephone, a user can input a telephone number using the telephone keypad. Telephone and landline phones.