KR200193544Y1 - Phone and head set attachable computer phone card included sound capability - Google Patents

Abstract

The present invention connects a general telephone to a computer, and enables the telephone and the computer to communicate with each other, so that the voice information can be stored in the computer during a phone call, and the voice information stored in the computer can be output through the trunk line. It is a computer phone card with a built-in control program embedded in a computer that can be used to make a phone call from a computer like a normal phone.

Its main functions include the function of digitizing the voice signal received through the CO line and transmitting it to the computer, converting the transmitted digital voice signal into analog, and loading it on the CO line with the computer, and the phone or micro input voice signal through the computer and It is a function to load on the CO line, to output the voice signal from the CO line to the speaker and telephone, and to convert the input voice signal to digital and transmit it to the computer. In addition, the microprocessor and phone speech network chip embedded in the card encodes various signals provided by the telegraph telephone line input through the CO line and the hook signals and dial signals input from the telephone to the computer. In order to make and receive calls, it is possible to develop home automation equipment using telephones and computers, or to develop equipment that delivers information using telephone communication lines such as Internet phones using telephones, and to use it as a medium for transferring information between telephones and computers. It is equipped with a headset so that you can make a call without using a regular phone.

Description

PHONE AND HEAD SET ATTACHABLE COMPUTER PHONE CARD INCLUDED SOUND CAPABILITY}

As the rapid spread of telephones (Internet phones) using the Internet is expected, in general, sound cards and headsets are used as means of Internet phones, and in order to use them as general telephones, installation of a separate card is required in addition to a sound card. Even if you install this separate card, you won't be able to take advantage of the various features of your computer.

In order to solve this problem, the present invention integrates a telephone, a sound card, and a headset, which are representative media of personal communication, so that a user can make an Internet phone and a regular telephone using one medium, and connects the telephone with a computer. The purpose of this study is to diversify the functions of the telephone by applying the function to the telephone, and to connect the computer and the telephone to the trunk line to implement the high-performance telephone function as a normal telephone.

The present invention connects a telephone to a computer and a trunk line to store information generated between the telephone and the computer on a computer or to output information stored on the computer through a telephone line. Technology that exchanges information to / from desired I / O devices by separating voice signals from telephone and trunk lines through speech networks and connecting them to input / output devices selected by matrix type switching circuits (a kind of telephone exchange function). to be.

In order to realize the technology at low cost by incorporating the above technology into a sound card installed in a personal computer, it is possible to realize a low-cost storage by communicating with a computer through an EEPROM connection terminal of a sound chip used in a sound card. The biggest advantage is the trick.

The prior art in this field is a card that can be built into a computer to make a phone call using a headset, but it does not have a sound card function requires the installation of a separate sound card for voice transmission, so a separate PCI for mounting it It's a limited technology that requires slots and simply delivers voice to the phone instead of the headset, without the computer's many features.

In order to realize the above technology, a voice signal is extracted from a telephone or trunk line to a speech network and a voice signal input and output from a microphone and a speaker is switched by having an impedance of the voice signal in a matrix type switching circuit. It is a technical task to implement a microcontroller micro code that implements the information transfer technology between the computer and the card through the EEPROM connection terminal of the card and the sound chip and controls the whole card.

1 is a hardware block diagram of the present invention

Figure 2 is a switching state diagram of the matrix type switching according to the state of the computer and telephone trunk line speaker and microphone of the present invention

* Description of the main parts of the drawing

01: PCI INTERFACE 02: Sound Chip

03: sound codec 04: microphone connection

05: speaker connection part 06: trunk line connection part

07: Relay 08: Microcontroller

09: matrix type switching circuit 10: speech network 2

11: phone connection 12: speech network 1

50: computer data transmission output 51: computer data transmission input

52: voice sound codec output 53: voice sound codec output

54: microphone input signal 55: speaker output

56: voice signal output from the trunk line 57: voice signal input from the trunk line

58: voice signal output to the telephone 59: voice signal input from the telephone

In order to achieve the above object, the present invention provides a part for connecting a voice signal extracted from a trunk line connection unit, a telephone connection unit, a microphone and a speaker connection unit to an input / output unit selected from a matrix type switching circuit, and information between a sound chip and a microcontroller. It consists of a communication part that can exchange the sound control part and a PCI interface part that can interface with the computer.

Preferred embodiments of the present invention will be described in detail with reference to the drawings.

First, the operation of each device and the flow of information in FIG. 1 will be described. In the seventh relay, when the computer is turned off, the eleventh telephone connection part and the 06 trunk line connection part are connected (when the power is turned off). The phone is directly connected to the CO line. It is designed to be operated by the microcontroller built in the card so that the connected part will be shorted automatically when the power is turned on.

The voice information generated from the telephone is output to 58 signal line through DAA and # 0 speech network circuit through 11 telephone connection, and the output voice information is inputted to the connected device according to the connection status of the matrix type switching circuit of 09. do. In addition, the voice signal output to the 59th line from the matrix type switching circuit of 09 is transmitted to the telephone through the speech network and the DAA through the 11 telephone connection.

Voice information input from CO line 06 is output through 57 signal line through DAA and 12 speech network circuit, and the output voice information is input to connected device according to the connection status of matrix type switching circuit of 09. In addition, the voice signal output to line 56 from the matrix type switching circuit of 09 is output through the speech network and DAA through the trunk line connection of 06 to the trunk line.

The voice information input from the 04 microphone input unit is input to the connected device according to the connection state of the matrix type switching circuit. And the voice signal output to line 55 in the matrix type switching circuit of 09 is output to the speaker through the speaker connection of 05.

Sound codec No. 03 converts the voice information input through signal line 52 into information that the sound chip can know, and inputs it to signal line 60 of the sound chip, and the data input to the 61th output of the sound chip is converted into voice signals by the codec chip. The signal is output through the signal line No. 53, and the output audio signal is input to the connected device by the matrix type switching circuit.

The sound chip of 02 is the same chip used in general sound card. It converts the voice signal input from the codec chip into digital and transmits it to the computer. The data input from the computer is converted into analog signal and transmitted to the codec chip of 03. Change the voice signal from. And since it has a built-in PCI interface circuit, it can easily interface with a computer with PCI BUS.

The PCI INTERFACE part of 01 is a circuit that can be connected to a computer so that it can be connected to the PCI bus such as address decode.

The 08 microcontroller sends and receives data to and from the computer using the sound chip by the EEPROM READ / WRITE control method by a program programmed on the microcontroller using the EEPROM interface control line of the sound chip. Control the matrix type switching circuit according to the request of the programmed program, detect a signal other than the signal input from the trunk line or the device selected by the matrix type circuit, transmit the signal to the computer, and transmit data other than the voice signal input from the computer. Will output

2 shows a state of switching in the matrix switching circuit according to the flow of information, which is controlled by the microcontroller of FIG.

103 is a state in which the telephone is not in use, and the input portion of the telephone is connected to No. 57 of FIG. 1 and the sound codec input line 52 of FIG. It is connected to line 05 of FIG. 1 and line 56 of FIG. When a call is received from the outside, the bell signal is output through the speaker and the telephone, and when the call is received by the computer, the state is switched to the matrix switching circuit in state 101 of FIG. 2 and the state 100 in FIG. 2 when the call is received by the telephone. It is switched by a matrix switch circuit.

100 of FIG. 2 shows the switching state of the matrix type switching circuit when making a call using a telephone or receiving an external call. The output of the telephone is connected to the speaker No. 05 of FIG. Line 56 of FIG. 1 and line 52 of the sound codec input line of FIG. 1, and the input portion of the telephone line is line 57 of FIG. 1 converted from a CO line to a voice signal, and line 53 of the computer output to 03 of FIG. Connected.

When the user picks up the handset and presses the dial according to the telephone signal input to the 57th and 58th lines of FIG. 1, the user is connected to the trunk line through 59th and 56th lines of FIG. Recording can be made to the computer through line 52 of FIG.

You can use the buttons on the computer program or the phone to control the audio signal from the speaker.

Figure 101 in Fig. 2 shows the switching state of the matrix type switching circuit when making a call using a speaker and a microphone (hereinafter referred to as a headset) or receiving an external call through the headset. Is connected to line 56 of FIG. 1 and the sound codec input line 52 of FIG. 1 that are output through the trunk line, and the speaker connected to the speaker connection unit of 05 of FIG. 1 is inputted from the trunk line and converted into a voice signal. , Line 53 is outputted from the computer to line 03 of FIG.

When a user calls a headset using a computer, the user can make a call using a program built into the computer. When the user presses the hook button through the keyboard or the mouse of the computer, according to the telephone signal input to the 57th and 58th lines of FIG. If you press the phone number can be connected to the CO line through 59, 56 line of Figure 1 to make a call, if you want to record the call history during the call can be recorded on the computer through the line 52 of FIG.

1, 102 shows the switching state of the matrix type switching circuit when only the sound function is connected to line 4 of the microphone of FIG. 1 and line 52 of the sound codec of FIG. 1 and connected to line 5 of FIG. And line 53 of the sound codec 3 of FIG.

The connection state of 103 of FIG. 2 has been described above, and in the state 103, a phone program can be automatically dialed by a computer program to transmit digital voice data stored in the computer to the trunk line, and the voice signal automatically transmitted to the trunk line is converted to digital. Because it can be stored, various products can be made according to application software development using telephone network such as ARS system or answering machine.

As the main effects of the present invention are to be seen in the above description, it is possible to mutually communicate between the phone and the computer so that the voice call information can be stored in the computer, and the stored information can be output again through the trunk line. By digitizing the voice information of the phone and processing it in a computer, the resident programs of various computers can be developed to effectively use the digitized voice information, and the headset can be attached, so that the above functions can be used as a headset. In addition, the sound card function is built in separately from the above function, so it can be plugged into an existing sound card mounting PCI slot without the need for a separate sound card, so no additional PCI slot is required. In addition, since the existing phone can be used as it is when the phone is used, no additional phone is required, and there is no additional cost, and when the headset is used, the extra space for installing the phone is eliminated on the desk.

Claims (4)

Matrix type switching circuit that connects the input and output devices between devices in accordance with the flow of information; A sound chip connected to the matrix type switching circuit through a microcontroller; A sound codec, a microphone connection part, and a speaker connection part connected to the matrix type switching circuit; A trunk line connection unit connected to the matrix type switching circuit through a DAA and a speech network; A telephone connection unit connected to the matrix type switching circuit through a DAA and a speech network; Computer phone card consisting of a relay and a PCI interface to match the trunk line connection portion and the telephone connection portion The computer telephone card according to claim 1, wherein the hardware configured to perform the above-described functions of the matrix type switching circuit and the micro code of the associated microcontroller are mounted. The computer telephone card according to claim 1, wherein a computer program capable of communicating with a computer using the EEPROM READ / WRITR signal line of the sound chip and a micro code of a microcontroller are mounted. The apparatus according to claim 1, wherein the telephone is automatically connected to the trunk line when the computer is turned off and the micro code of the associated microcontroller is installed to control the telephone use by the microcontroller built into the card. Phone card for computer