KR20000030862A - Apparatus for receiving and transmitting talk to the connected cellular phone by wireless - Google Patents

Abstract

PURPOSE: A device is provided to solve the movement of user or the control of a radius of action when wire transmitter and receiver are used generally, to improve a radius of use connected with cellular phone, and to let user move freely. CONSTITUTION: The wireless transmitter and receiver connected with cellular phone comprises 1)a frist wireless transmitter and receiver which uses the fixed frequency distinguished fROM cellular phone, transmitts and distinguished fROM cellular phone, transmitts and receives call signal,2) a second wireless transceiver which outputs the call signal locale fROM a first wireless device to the sound, and changes the sound input fROM outside to fixed frequency.

Description

Apparatus for receiving and transmitting talk to the connected cellular phone by wireless}

The present invention relates to a wireless transmitting / receiving apparatus used in wireless connection with a mobile phone, and more particularly, to wirelessly connect and connect with a cellular phone so that a call can be remotely established when a call is received. In addition, the present invention relates to a wireless transmitting / receiving apparatus used in wireless connection with a mobile phone for transmitting and receiving a call sound wirelessly after a call establishment.

In general, a telephone is the most common communication means capable of transmitting and receiving a message to be communicated between callers by voice, and is divided into a landline telephone and a cellular phone. The landline telephone is again a cord telephone. And cordless telephones. The cordless telephone refers to a portable device capable of wirelessly communicating with a main body of a landline telephone, that is, a phone provided with a wireless handset separately. The portable device must communicate with the main body of a landline telephone for its use range, that is, a call. The range is extremely limited and used.

On the other hand, the mobile telephone has a wide range of communication by directly connecting and communicating with the mobile telephone network irrespective of the main body of the wired telephone, and in particular, in recent years, according to the development of communication technology, high quality call service and various additional services can be provided. As a result, the use of mobile phones is increasing rapidly.

On the other hand, such a mobile phone is connected by a wired line, so that when a call is received, the call can be opened remotely, and after the call is established, earphones with a built-in speaker and a small microphone can be used to make a phone call. A wired transmitter / receiver capable of transmitting / receiving may be used in connection. The wired transmitter / receiver is described in detail with reference to the accompanying drawings.

First, FIG. 1 is a view illustrating a connection state of a wired transmission / receiving device used in connection with a general mobile phone by wire, and connected by wire through an external connection terminal (not shown) provided at one side of the mobile phone 100. The wired handset / handset 200 used is commonly referred to as 'Hands Free', and is now widely used and widely used. The wired handset 100 is a mobile telephone 100. A connection portion 21 in the form of a jack for connection to the connection; Earphone 24 having a small speaker; And a small microphone 23 and the hook on / off button 22 is configured to include.

Accordingly, the user can connect and connect the wired handset 200 which is configured as described above to his mobile phone, and thus can use the mobile phone more conveniently. For example, the wired handset 200 Is connected to the mobile phone, when the incoming call ringing to notify the incoming call, or when the incoming information is displayed on the display of the mobile phone, the user is hook on / off button provided in the wired handset / handset 200 By clicking once on (22), a call can be established, and after the call is established, the earphone 24 and the small microphone 23 provided in the wired / handset 200 are used. You can talk to the other party conveniently.

However, since the wired transmission / reception apparatus is used by being connected to a mobile telephone by wire, the use range of the connection is limited depending on the length of the wire. There was a problem that the range of behavior was limited.

Accordingly, the present invention has been created to solve the above problems, and is connected to the mobile phone and connected wirelessly, so that the call can be remotely established when the call is received, and the call sound wirelessly after the call is opened. It is an object of the present invention to provide a wireless transmission / receiving device which is used in a wireless connection with a mobile phone so as to greatly improve the range of use of the connection with the mobile phone and to allow the user to move freely.

1 illustrates a connection state between a general wired telephone receiver and a mobile telephone,

2 is a view illustrating a connection state between a wireless handset and a handset according to the present invention,

3 and 4 illustrate the internal configuration of the wireless handset and the handset according to the present invention.

※ Explanation of code for main part of drawing

1,34,47: Frequency converter 2,33,48: Modulator / demodulator

3: Protocol processing unit 4: Vocoder

5: Encoder 6: Connection Connection

7,24,42: Speaker 8,23,46: Microphone

9: LCD 10: Micom

11: Memory 12: Key Pad

21,32 connection part 22,43 hook on / off button

31,41: Antenna 44: Ear Ring

45: microphone reader 49: clock generator

In order to achieve the above object, the wireless handset / receiving apparatus used in wireless connection with the mobile telephone according to the present invention is in the state of being connected to an external connection terminal provided at one side of the mobile telephone, and the frequency of the mobile telephone. A first radio transceiver for wirelessly transmitting and receiving a call signal using a predetermined frequency band distinct from the band; And a second wireless transceiver for outputting a call signal transmitted from the first wireless transceiver as a sound and converting a sound input from the outside into a predetermined frequency band to communicate wirelessly with the first wireless transceiver. It features.

Hereinafter, with reference to the accompanying drawings, a preferred embodiment of a wireless handset / handset used to wirelessly connect to a mobile telephone according to the present invention will be described in detail.

First, FIG. 2 illustrates a wireless connection state of a wireless transmitter / receiver used in a wireless connection with a mobile telephone according to the present invention. The wireless transmitter / receiver is provided at one side of the mobile telephone 100. The first wireless transceiver 300 is inserted and connected to the external connection terminal (not shown) and the second part of the user's body, for example, the second wireless transceiver 400 used in contact with the user's ear, As shown in FIG. 2, the second wireless transceiver 400 includes a small antenna 41 for wireless communication with the first wireless transceiver, a small speaker 42 in earphone form, and a hook on / off button. 43 is arranged in close proximity in a unit form together with an ear ring 44 to be hooked to a user's ear, and a compact microphone for converting a user's sound into an electrical voice signal. 46 is a predetermined flexibility It may be designed in a structure that is disposed at the end of the length of the microphone leader (Mic Leader).

Accordingly, the user can conveniently use the second wireless transceiver 400 having the above structure by hanging on his or her ear. The internal circuit configurations of the first and second wireless transceivers and the mobile telephone are described in detail. The explanation is as follows.

First, FIG. 3 illustrates an internal configuration of a general mobile phone in which a wireless transmitter / receiver according to the present invention is connected and used wirelessly. The mobile phone 100 may include a base station transceiver station (BTS). A frequency converter (1) for transmitting and receiving a signal received from the signal generated by the mobile phone or a signal converted into a frequency signal; A modulator / demodulator (2) for modulating the transmitted frequency signal or demodulating the received frequency signal; A protocol processor (3) for decrypting and adding data for communication from the modulated / demodulated signal; A vocoder (Vocoder) 4 for decoding the voice data output from the protocol processor 3 into a voice signal; An encoder 5 for encoding a voice signal into voice data; A microcomputer 10 for controlling a call response and a call processing operation according to the data decoded by the protocol processor 3; A memory 11 for storing data necessary for controlling the operation of the microcomputer; A display unit 9 for displaying a call response state and call reception information corresponding to the call response of the microcomputer; A speaker (7) for outputting the decoded voice signal as sound; Signal processing is performed by the microphone 8, the sound is input from the outside into an electrical voice signal; A keypad 12 including a hook on / off button for opening a call when a call is received; And a connection connecting portion 6 to which the first wireless transceiver 300 of the wireless transmitting / receiving apparatus as described above with reference to FIG. 2 is connected. The connection connecting portion 6 includes the vocoder 4. And an earphone output terminal for outputting the audio signal decoded by the < RTI ID = 0.0 > A microphone input terminal for inputting to the encoder 5, and a clock input terminal for inputting the clock signal CLK generated by the hook on / off button of the radio transceiver, to the microcomputer 10. do.

Meanwhile, FIG. 4 illustrates an internal configuration of a first wireless transceiver and a second wireless transceiver, which are wireless transmitting / receiving apparatuses according to the present invention. The first wireless transceiver 300 wirelessly communicates with a second wireless transceiver. A small antenna 31 for making; A frequency converter (34) for converting a signal transmitted and received through the antenna into a signal of a predetermined frequency band distinct from the frequency signal of the mobile telephone; A modulator / demodulator (33) for modulating the transmitted frequency signal or demodulating the received frequency signal; And a jack-shaped connecting portion 32 inserted into and connected to the connection connecting portion 6 provided in the mobile phone, while the second wireless transceiver 400 is a small size for wireless communication with the first wireless transceiver. An antenna 41; A frequency converter 47 for converting a signal transmitted and received through the antenna into a frequency signal of a predetermined frequency band corresponding to the frequency signal from the first wireless transceiver; A modulator / demodulator 48 for modulating the transmitted frequency signal or demodulating the received frequency signal; And an earphone-shaped speaker 42 for outputting the demodulated voice signal as sound. A microphone 46 for converting sound input from the outside into an electrical voice signal; And a hook on / off button 43 for opening a call when the call is received on the mobile telephone. And a clock generator 49 for generating a clock signal corresponding to the hook on / off, depending on whether the hook on / off button is input. The mobile telephone 100 and the second component are configured as described above. Operation descriptions made between the first and second wireless transceivers 300 and 400 will be described in detail.

First, the user hangs the ear ring 44 provided on the second wireless transceiver 400 to his or her ear so that the speaker 42 of the earphone type provided on the second wireless transceiver is in contact with his or her ear. After connecting the connection portion 32 of the first radio transceiver 300 to the connection connection portion 6 provided on one side of the mobile phone 100 used by the first radio transceiver 300, the first radio transceiver 300 is inserted While the connected mobile phone 100 is fixed at a predetermined distance away from the mobile phone, when a call is received from the mobile phone, a call can be opened remotely, or after the call is established, the call sound can be transmitted and received wirelessly. First, when a call is received by a call to the mobile phone 100 which is fixed at a predetermined distance away as described above, the user hears the hook on / off button 43 provided in the second wireless transceiver 400 once. click Done.

Accordingly, the clock generator 49 of the second radio transceiver 400 generates a clock signal corresponding to a hook-off for establishing a call. The clock signal is a modulator / demodulator 48. And the frequency converter 47 modulates and converts the frequency signal into a frequency signal of a predetermined frequency band TX, and then wirelessly transmits the frequency signal to the first wireless transceiver 300.

On the other hand, as described above, the signal transmitted wirelessly is converted and demodulated by the frequency converter 34 and the modulator / demodulator 33 of the first radio transceiver, and then connected to the mobile phone 100 through the connection unit 32. Since the microcomputer 10 is input to the microcomputer 10, the microcomputer 10 controls the protocol processing unit 3 of the mobile phone to establish a call. That is, a call is established in the mobile phone so that the voice data of the other party received through the mobile phone network after the call is established is decoded into a voice signal by the vocoder 4, and the decoded voice signal is connected to the connection connection unit ( Through the earphone output terminal (EP) of 6) to be output to the first wireless transceiver.

Accordingly, in the modulator / demodulator 33 and the frequency converter 34 of the first radio transceiver, as described above, the audio signal input through the connection connection unit 6 receives a signal having a predetermined frequency band ( RX) modulates the signal and transmits it to the second wireless transceiver 400. The frequency converter 47 and the modulator / demodulator 48 of the second transceiver perform frequency conversion and demodulation, thereby recognizing an earphone-shaped speaker ( 42).

Therefore, the user can listen to the sound of the other party through the speaker 42 of the second radio transceiver hanging on his or her ear.

On the other hand, the sound of the user input through the microphone 46 provided in the second wireless transceiver is converted into an electrical voice signal by the microphone 46, the modulator / demodulator 48 and the frequency converter By 47, the signal is modulated and converted into a signal of a predetermined frequency band TX, and wirelessly transmitted to the first radio transceiver 300.

Accordingly, the modulator / demodulator 33 and the frequency converter 34 of the first radio transceiver receive the radio transmitted signal, convert the frequency, and assist the radio signal. Since it is output to the encoder 5, the voice data encoded by the encoder is transmitted through the mobile telephone network so that the other party can listen to it.

Subsequently, when the call is to be terminated, the hook-on / off button provided in the second radio transceiver may be clicked once more to remotely terminate the established call.

As described above, the user can remotely open or block a call by using a hook on / off button of a second wireless transceiver that is held in his or her ear, and the first wireless It is possible to talk freely with the other party through wireless communication during the second wireless transmission / reception period with the transceiver.

As mentioned above, preferred embodiments of the present invention are disclosed for purposes of illustration, and those skilled in the art can improve and change various other embodiments within the spirit and technical scope of the present invention disclosed in the appended claims below. , Replacement or addition would be possible.

The wireless transmitting / receiving apparatus used in wireless connection with the mobile telephone according to the present invention constituted as described above is connected and connected wirelessly with the mobile telephone to open a call remotely when a call is received or remotely make a call. It is possible to terminate the blocking, and also to send and receive a call sound wirelessly with the other party after the call is established, thereby limiting the movement of the user or the limitation of the range of action that occurs when using a typical wired / handset device. As well as being able to solve, it is a very useful invention that greatly improves the use range of the connection with the mobile phone, and also allows the user to move freely.

Claims (6)

A first radio transceiver for wirelessly transmitting and receiving a call signal using a predetermined frequency band distinguished from a frequency band of the mobile telephone in a state of being connected to an external connection terminal provided at one side of the mobile telephone; And And a second radio transceiver for wirelessly communicating with the first radio transceiver by outputting a call signal transmitted from the first radio transceiver as a sound and converting a sound input from the outside into a predetermined frequency band. Wireless handset used for wireless connection with mobile phones. The method of claim 1, The first wireless transceiver, A connection part inserted into and connected to an external connection terminal provided at one side of the mobile telephone; A modulator / demodulator for modulating or demodulating the call signal; A frequency converter converting the modulated / demodulated signal into a predetermined frequency band; And And a wireless transmitter / receiver connected to the mobile telephone, characterized in that it comprises an antenna for wireless communication with the second wireless transceiver. The method of claim 1, The second radio transceiver, A speaker for outputting a call signal transmitted from the first wireless transceiver as sound; A microphone converting and outputting the sound sound input from the outside into an electric signal; A modulator / demodulator for modulating or demodulating a signal input / output from the speaker or the microphone; A frequency converter converting the modulated / demodulated signal into a predetermined frequency band; And Wireless transmitting and receiving devices used in wireless connection with the mobile telephone, characterized in that it comprises an antenna for wireless communication with the first wireless transceiver. The method of claim 3, The second radio transceiver, A hook on / off button for opening a call when the call is received on the mobile telephone; And And a clock generator for generating a clock signal corresponding to the hook on / off button. A first wireless transmitter and receiver inserted into and connected to an external connection terminal provided at one side of the mobile telephone; And A small speaker in the form of an antenna and an earphone for wireless communication with the first wireless transceiver is disposed in close proximity in a unit form with an ear ring to be hooked to a user's ear, and converts a user's sound into an electrical voice signal. And a second wireless transceiver having a structure in which a small microphone is arranged in a terminal portion of a microphone reader having a predetermined length, which is flexible. The method of claim 5, And a hook on / off button is disposed in the unit.