KR20040015913A - Telephone conversation apparatus and method by bluetooth - Google Patents

Abstract

PURPOSE: A call system and method using Bluetooth modules is provided to install a Bluetooth module in a wire/wireless phone using a PSTN and embed a Bluetooth module and a voice dialing function in a wireless headset, which can communicate with the wire/wireless phone, in order to achieve a telephone call with the third person through the wire/wireless phone in a Bluetooth method. CONSTITUTION: The first telephone terminal(10) is connected with the second telephone terminal(30), a wire/wireless phone, through a PSTN(20). The second telephone terminal(30) executes two-way wireless communication with a wireless headset(40) in a Bluetooth method. The second telephone terminal(30) contains a terminal circuit part and a Bluetooth module. The terminal circuit part enables a telephone call with the first telephone terminal(10) through the PSTN. The Bluetooth module transmits telephone conversation contents, received from the first telephone terminal(10), to the wireless headset(40) by wireless. Also the Bluetooth module receives telephone conversation contents from the wireless headset(40) by wireless and transmits the contents to the first telephone terminal(10) through the terminal circuit part.

Description

Calling device and method using Bluetooth {TELEPHONE CONVERSATION APPARATUS AND METHOD BY BLUETOOTH}

The present invention relates to a call apparatus and method using Bluetooth, and more particularly to a call with a third party by wireless using a wireless headset having a Bluetooth function and a voice dialing function through a phone terminal with a built-in Bluetooth module. The present invention relates to a call device and method using Bluetooth.

Recently, Bluetooth (bluetooth) has been adopted as a short-range wireless communication standard that enables two-way real-time communication without a complicated wire by connecting a computer and a peripheral device, a mobile terminal, a computer, and a home appliance that are located in a short distance. The implemented module is spreading in chip form.

Bluetooth is a wireless data communication technology developed by mobile phone makers and computer makers Ericsson, Nokia, Intel, IBM, and Toshiba in February 1998 to solve the problem of needing too many connection lines for connection between mobile devices. It is a new wireless communication technology aimed at replacing cables based on low cost, low power and wireless.

Such Bluetooth is typically realized relatively easily and inexpensively using a 2.4 GHz Industrial Scientific Medical (ISM) band, with a transmission distance of 10 meters. Adding an amplifier extends the transmission distance to 100 meters. The Bluetooth multiplexing scheme uses time division for low cost and has three synchronous channels and one asynchronous channel. GFSK is used as a modulation method, and circuit and packet switching method is used, and a pico cell is formed to communicate.

Recently, in order to help short-range communication between a mobile phone terminal and another voice or data processing device such as a computer, a Bluetooth module is introduced in advance in a mobile phone terminal.

However, up to now, there is no built-in Bluetooth module in the wired / wireless telephone using the public switched telephone network (PSTN), which is frequently used in homes or businesses.

Thus, if the user is located in a different location or area away from the wired or wireless telephone, and the user is called from the wired or wireless telephone, the other person who answered the call will know where the user who is supposed to be called is located in the company. After finding out and enabling a call using a wired or wireless telephone, a problem arises that is very cumbersome, and there is a problem in that productivity in the company decreases because of troubles for telephone contact.

The present invention has been proposed to solve the above-mentioned problems, and has a Bluetooth module embedded in a wired / wireless telephone using a public switched telephone network and a Bluetooth module and a voice dialing function built into a wireless headset capable of communicating with the wired / wireless telephone. It is an object of the present invention to provide a call device using Bluetooth to enable a call with a third party through a Bluetooth method.

Another object of the present invention is to embed a Bluetooth module in a wired / wireless telephone using a public switched telephone network and a Bluetooth module and a voice dialing function in a wireless headset capable of communicating with the wired / wireless telephone. It is to provide a call method using Bluetooth to enable the call of.

1 is a schematic configuration diagram of a call device using Bluetooth according to an embodiment of the present invention,

2 is a diagram illustrating an internal configuration of a phone terminal in which the Bluetooth module of FIG. 1 is embedded;

3 is an internal configuration diagram of the wireless headset of FIG. 1,

4 is an external perspective view of the wireless headset of FIG. 1;

5 and 6 are flowcharts illustrating a call method using Bluetooth according to an embodiment of the present invention.

** Explanation of symbols for the main parts of the drawings **

10: phone terminal 20: PSTN

30: phone terminal 31: terminal circuit portion

32: Bluetooth module 40: wireless headset

41: antenna 42: receiver

43: baseband demodulator 44: amplifier

45 drive unit 46 speaker

47: microphone 48: amplifier

49: baseband modulator 50: transmitter

51: voice dialing recognition unit

52: dialing signal generation unit

53: phone number storage unit 54: key input unit

55 control unit 60 Bluetooth module

In order to achieve the above object, a call device using Bluetooth according to a preferred embodiment of the present invention includes a terminal circuit unit for enabling a telephone call through a public switched telephone network, and a first Bluetooth module associated with the terminal circuit unit. Wired and wireless telephones; And a second Bluetooth module for receiving and outputting telephone call contents transmitted from the first Bluetooth module and wirelessly transmitting the telephone call contents of the user to the first Bluetooth module, and voice dialing information of the user from a microphone. And a wireless headset incorporating voice dialing means for generating a corresponding dialing signal and wirelessly transmitting the same to the first Bluetooth module through the second Bluetooth module.

In the call method using Bluetooth according to an embodiment of the present invention, when a telephone call request tone of a calling telephone is inputted to a wired / wireless telephone having a Bluetooth module embedded therein through a public switched telephone network, the Bluetooth in the wireless headset is connected through a Bluetooth module in the wired / wireless telephone. A first step of wirelessly transmitting a ring tone to a module; A second step of wirelessly transmitting a telephone call on mode setting signal from the wireless headset based on the ring tone to the wired / wireless telephone by a Bluetooth method; And a third process for the wired / wireless telephone to relay a telephone call between the calling telephone and the wireless headset as the telephone call channel between the calling telephone and the wired / wireless telephone is turned on.

According to another embodiment of the present invention, a call method using a Bluetooth module includes a Bluetooth module in a wired / wireless telephone through a Bluetooth module, when a telephone call on mode is set in a wireless headset having a Bluetooth module. A first step of wireless transmission to the network; As the representative number corresponding to the telephone number of the counterpart to be called is input into the microphone of the wireless headset by voice, the wireless headset generates a dialing signal corresponding to the input representative number and generates the dialing signal through the internal Bluetooth module. A second step of wirelessly transmitting to the telephone; A third step of transmitting, by the wired / wireless telephone, a ring tone to a corresponding counterpart telephone through a public switched telephone network; And a fourth process, wherein the wired / wireless telephone relays a telephone call between the counterpart telephone and the wireless headset as the telephone call channel between the counterpart telephone and the wired / wireless telephone is turned on.

Hereinafter, a call device and method using Bluetooth according to an embodiment of the present invention will be described with reference to the accompanying drawings.

1 is a schematic configuration diagram of a call device using Bluetooth according to an embodiment of the present invention, which includes a telephone terminal 10 and a Bluetooth module with a public switching telephone network (PSTN) 20 interposed therebetween. One telephone terminal (wireless or wireless telephone) 30 is connected. The telephone terminal 30 performs two-way wireless communication with the wireless headset 40 in a Bluetooth manner.

In FIG. 1, only one telephone terminal 10 is illustrated, but a plurality of telephone terminals 10 may be used.

That is, the telephone terminal 30 has a terminal circuit section 31 that enables telephone conversation with the calling telephone (ie, the telephone terminal 10) through the public switched telephone network 20, as shown in FIG. In conjunction with the terminal circuit section 31, wirelessly transmits the telephone call content from the telephone terminal 10 to the wireless headset 40, and wirelessly receives the telephone call content from the wireless headset 40. Bluetooth module 32 is sent to the telephone terminal 10 via the.

And, as shown in Fig. 3, the wireless headset 40 includes a Bluetooth module 60 which performs two-way wireless communication with the Bluetooth module 32 of the telephone terminal 30 by a Bluetooth wireless communication protocol; A speaker 46 which outputs the voice output from the Bluetooth module 60 to the outside; A microphone 47 for collecting a voice of the user of the wireless headset 40; And voice dialing means for generating a dialing signal corresponding to the voice dialing information of the user from the microphone 47 and wirelessly transmitting it to the Bluetooth module 32 of the telephone terminal 30 through the Bluetooth module 60. It is provided.

The Bluetooth module 60 includes: an antenna 41 operable to transmit and receive near field communication signals that can be made using a Bluetooth wireless communication protocol; A receiver 42 electrically connected to the antenna 41; A baseband demodulator 43 for demodulating the near-carrier radio waves from the receiver 42 to extract necessary information signals (i.e., voice signals); An amplifier 44 which amplifies the audio signal output from the baseband demodulator 43; A driving unit 45 for outputting an audio signal output from the amplifying unit 44 through the speaker 46; An amplifier 48 for amplifying the voice signals collected by the microphone 47; A baseband modulator 49 for modulating the voice signal amplified by the amplifier 48 into a short-range carrier radio wave; And a transmitter 50 for transmitting the modulated output signal from the baseband modulator 49 to the Bluetooth module 32 of the telephone terminal 30 via the antenna 41.

The voice dialing means includes a voice dialing recognition unit 51 that recognizes voice dial information of the user of the wireless headset 40 input through the microphone 47, and voice dialing information recognized by the voice dialing recognition unit 51. A dialing signal generation unit 52 for generating a dialing signal corresponding to the telephone number, a telephone number storage unit 53 for storing a plurality of telephone numbers, a key input unit 54 for setting a telephone call on / off mode, and a voice thereof After the telephone number corresponding to the voice dialing information in the dialing recognition unit 51 is read out by the telephone number storage unit 53, the dialing signal generating unit 52 is controlled to provide a dialing signal corresponding to the read telephone number. The control part 55 which produces | generates is provided.

The controller 55 controls not only the function of controlling the voice dialing operation of the voice dialing means but also the operation of the Bluetooth module 60 smoothly.

On the other hand, the key input section 54 is installed on one side of the wireless headset 40, as shown in Figure 4, the key input section 54 is a button 54a for setting the telephone call on / off mode; And a button 54b for adjusting the volume of the speaker 46.

Next, a call method using Bluetooth according to an embodiment of the present invention will be described with reference to the flowcharts of FIGS. 5 and 6.

First, the case where the telephone terminal 10 becomes the calling party and the wireless headset 40 becomes the receiving party will be described with reference to the flowchart of FIG. 5.

When the person using the telephone terminal 10 calls the telephone terminal 30 through the public switched telephone network 20 using the telephone terminal 10 (step S10), the telephone terminal 30 The terminal circuit section 31 sends the call call signal resulting from the telephone call request from the telephone terminal 10 to the Bluetooth module 32.

Accordingly, the Bluetooth module 32 wirelessly transmits the call call signal to the wireless headset 40 (step S12).

The call call signal received by the receiver 42 through the antenna 41 of the wireless headset 40 passes through the speaker 46 through the baseband demodulator 43, the amplifier 44, and the driver 45. Is output via

The user of the wireless headset 40 who has heard the call call signal through the speaker 46 sets the telephone call on mode by operating the button 54a of the key input unit 54 to make a telephone call (step S14). Accordingly, the control unit 55 of the wireless headset 40 generates a signal corresponding to the telephone call on mode setting and transmits the signal through the baseband modulator 49, the transmitter 50, and the antenna 41 to the telephone terminal. Radio transmission to the Bluetooth module 32 of (30). The Bluetooth module 32 sends the received telephone call on-mode signal to the terminal circuit unit 31, and the terminal circuit unit 31 communicates with the telephone terminal 10 via the public switched telephone network 20. Will form.

As a telephone call channel is established between the calling party terminal 10 and the calling party terminal 30 in this manner, the telephone terminal 30 calls between the calling party terminal 10 and the wireless headset 40 through the telephone terminal 30. A call is made (step S16).

During the telephone call, when the telephone call between the calling party terminal 10 and the wireless headset 40 via the telephone terminal 30 is terminated by the one end of the telephone call (Yes in step S18), that is, The telephone call off mode setting signal (signal generated by the operation of the button 54a of the key input unit 54) in the wireless headset 40 is wirelessly transmitted to the telephone terminal 30 or the calling party telephone terminal ( 10. The telephone exchange channel 20 in the public switched telephone network 20 turns off the telephone call channel between the calling telephone terminal 10 and the receiving telephone terminal 30 so that the receiving telephone terminal 30 is further turned off. The telephone call standby mode is switched without relaying the above-mentioned telephone call contents.

Next, the case where the telephone terminal 10 becomes the receiving side and the wireless headset 40 becomes the calling side will be described with reference to the flowchart of FIG. 6.

When the user of the wireless headset 40 wants to make a call to the telephone terminal 10 side, the telephone call on mode is set by operating the button 54a of the key input unit 54 provided in the wireless headset 40 (step). S20). Accordingly, the controller 55 of the wireless headset 40 recognizes that the current telephone call on mode is set.

Subsequently, the user of the wireless headset 40 voices a representative number (e.g., "1") corresponding to the telephone number of the receiver (i.e., the telephone number of the telephone terminal 10) to which the telephone call is desired. 47) (Step S22). The voice signal input to the microphone 47 is amplified by the amplifier 48, and the voice dialing recognition unit 51 recognizes the representative number voice signal among the amplified and output signals and transmits it to the controller 55. (Step S24). The control unit 55 reads the telephone number corresponding to the representative number voice signal from the telephone number storage unit 53 (step S26), and then controls the dialing signal generating unit 52 to correspond to the extracted telephone number. Generate a dialing signal. The generated dialing signal is wirelessly transmitted to the Bluetooth module 32 of the telephone terminal 30 through the baseband modulator 49, the transmitter 50, and the antenna 41 under the control of the controller 55. At this time, the signal corresponding to the telephone call on mode setting is also wirelessly transmitted to the Bluetooth module 32 of the telephone terminal 30 through the baseband modulator 49, the transmitter 50, and the antenna 41. (Step S28). Here, in step S28, the signal corresponding to the telephone call on mode setting and the dialing signal are wirelessly transmitted to the telephone terminal 30, but the signal corresponding to the telephone call on mode setting has been set. At this time, the telephone terminal 30 may be wirelessly transmitted.

The Bluetooth module 32 sends the received telephone call on-mode signal and the dialing signal to the terminal circuit section 31, and the terminal circuit section 31 calls the telephone with the receiving side corresponding to the public switched telephone network 20. Require call connection.

As a result, a telephone call signal resulting from the telephone call request is sent to the corresponding telephone terminal 10 by the telephone call channel formed by the public switched telephone network 20 (step S30). As the receiver of the telephone terminal 10 on the receiving side is turned off, a telephone call is made between the calling telephone terminal 30 and the receiving telephone terminal 10 (step S32).

During the telephone call, if the telephone call between the receiving telephone terminal 10 and the wireless headset 40 via the telephone terminal 30 is terminated by the telephone call termination intention of either side ("Yes" in step S18), that is, The telephone call off mode setting signal (signal generated by the operation of the button 54a of the key input unit 54) in the wireless headset 40 is wirelessly transmitted to the telephone terminal 30 or the telephone terminal 10 When the telephone exchange channel 20 in the public switched telephone network 20 turns off the telephone call channel between the telephone terminal 10 and the telephone terminal 30, the telephone terminal 30 does not relay any further telephone call contents. Switch to phone call standby mode.

As described in detail above, according to the present invention, it is possible not only to increase work efficiency in the company, but also to provide a more upgraded wireless network service.

On the other hand, the present invention is not limited only to the above-described embodiment, but can be modified and modified within the scope not departing from the gist of the present invention, the technical idea to which such modifications and variations are also applied to the claims Must see

Claims (11)

A wired / wireless telephone having a terminal circuit unit for enabling a telephone call through a public switched telephone network and a first Bluetooth module associated with the terminal circuit unit; And A second Bluetooth module for receiving and outputting telephone call contents transmitted from the first Bluetooth module and wirelessly transmitting the telephone call contents of the user to the first Bluetooth module; And a wireless headset incorporating voice dialing means for generating a corresponding dialing signal and wirelessly transmitting it through the second Bluetooth module to the first Bluetooth module. The method of claim 1, The voice dialing means may include a voice dialing recognition unit for recognizing voice dial information input through the microphone, a dialing signal generator for generating a dialing signal corresponding to the voice dialing information recognized by the voice dialing recognition unit, and a plurality of telephones. A phone number storage unit storing a number, a key input unit for setting a telephone call on / off mode, and a telephone number corresponding to the voice dialing information in the voice dialing recognition unit after reading from the phone number storage unit and dialing And a controller configured to control a signal generator to generate a dialing signal corresponding to the read telephone number. The method of claim 1, The first Bluetooth module is a communication device using Bluetooth, characterized in that installed in the main body of the wired and wireless telephone. A first step of wirelessly transmitting a ringing tone to a Bluetooth module in a wireless headset via a Bluetooth module in the wired / wireless telephone when the telephone call request tone of the calling telephone is input to the wired / wireless telephone in which the Bluetooth module is embedded through a public switched telephone network; A second step of wirelessly transmitting a telephone call on mode setting signal from the wireless headset based on the ring tone to the wired / wireless telephone by a Bluetooth method; And And a third process, wherein the wired / wireless telephone relays a telephone call between the calling telephone and the wireless headset as the telephone call channel between the calling telephone and the wired / wireless telephone is turned on. . The method of claim 4, wherein After the third process, when the telephone call off mode setting signal of the wireless headset is inputted to the wired / wireless telephone, the wired / wireless telephone turns off the telephone call between the calling telephone and the wireless headset and switches to the telephone call standby mode. Call method using a Bluetooth. The method of claim 4, wherein After the third process, when the telephone call channel between the calling telephone and the wired / wireless telephone is turned off in the public switched telephone network by the telephone call off of the calling telephone, the wired / wireless telephone switches to the telephone call standby mode. Call method using Bluetooth. The method of claim 4, wherein After the third step, a telephone call off mode setting signal from the wireless headset is inputted to the wired / wireless telephone or a call between the calling telephone and the wired / wireless telephone in the public switched telephone network by telephone call off at the calling telephone. When the communication channel is off, the wired / wireless telephone switches to the telephone call standby mode. A first step of wirelessly transmitting a corresponding telephone call on mode setting signal to a Bluetooth module in a wired or wireless telephone through the Bluetooth module when the telephone call on mode is set in the wireless headset having a Bluetooth module; As the representative number corresponding to the telephone number of the counterpart to be called is input into the microphone of the wireless headset by voice, the wireless headset generates a dialing signal corresponding to the input representative number and generates the dialing signal through the internal Bluetooth module. A second step of wirelessly transmitting to the telephone; A third step of transmitting, by the wired / wireless telephone, a ring tone to a corresponding counterpart telephone through a public switched telephone network; And And a fourth process, wherein the wired / wireless telephone relays a telephone call between the counterpart telephone and the wireless headset as the telephone call channel between the counterpart telephone and the wired / wireless telephone is turned on. . The method of claim 8, After the fourth process, when the telephone call off mode setting signal of the wireless headset is inputted to the wired / wireless telephone, the wired / wireless telephone turns off the telephone call between the counterpart telephone and the wireless headset and switches to the telephone call standby mode. Call method using a Bluetooth. The method of claim 8, After the fourth process, when the telephone call channel between the counterpart phone and the wired / wireless phone is turned off in the public switched telephone network by the telephone call off of the counterpart phone, the wired / wireless phone switches to the telephone call standby mode. Call method using Bluetooth. The method of claim 8, After the fourth process, a telephone call off mode setting signal from the wireless headset is inputted to the wired / wireless telephone or a call between the other telephone and the wired / wireless telephone in the public switched telephone network by the telephone call off at the counterpart telephone. When the communication channel is off, the wired / wireless telephone switches to the telephone call standby mode.