KR101076533B1 - Methods and a apparatus of additional bluetooth equipment with radio receiver for mobile phone - Google Patents

Abstract

The present invention relates to an additional device connected to the portable terminal via Bluetooth, mobile communication, and listening to the radio signal, recording and playback, Bluetooth unit for wirelessly connecting the portable terminal to the infrared and wireless transmission and reception of the signal; A codec unit connected to the Bluetooth unit, the received signal is digital demodulated, and the transmitted signal is digitally modulated; A switch unit connected to the codec unit and configured to set a transmission path of the communication signal and the radio signal according to the control signal; A radio unit connected to the switch unit and receiving and outputting a radio signal; A control unit for controlling a route setting by accessing a switch unit and monitoring and operating each of the functional units; and further, when the mobile terminal is set in a communication standby state, a preparation process for operating a Bluetooth additional device; A communication process in which the portable terminal transmits a communication signal to the counterpart via Bluetooth when the additional device sets a communication mode; A listening process of receiving and outputting a radio signal to an audio unit when the additional device sets a listening mode; A recording process of recording and storing the received radio signal by transmitting the received radio signal to the portable terminal via Bluetooth when the additional device sets a recording mode; When the additional device is set to the play mode, the mobile device comprises a play process of searching for, selecting and listening to a list of radio signals recorded in the portable terminal, and determining whether to listen to the mobile communication. It has the effect of extending the application range.

Description

TECHNODS AND A APPARATUS OF ADDITIONAL BLUETOOTH EQUIPMENT WITH RADIO RECEIVER FOR MOBILE PHONE}

1 is a functional block diagram of a Bluetooth accessory of a portable terminal according to the prior art;

2 is a flowchart illustrating a method for operating a Bluetooth additional device of a portable terminal according to the prior art;

3 is a functional block diagram of a Bluetooth function of a radio function of a mobile terminal of the present invention;

Figure 4 is a flow chart of the radio function Bluetooth addition method of the present invention portable terminal.

** Explanation of symbols on the main parts of the drawing **

100: additional device 110: audio unit 120: switch unit

130, 220: control unit 140: key button unit 150: radio unit

160, 210: Bluetooth 170: Display 180: Codec

200: portable terminal 230: memory unit

240: wireless unit

The present invention relates to a voice signal adding device of a portable terminal using Bluetooth. In particular, the present invention relates to a simple audio signal input / output adding device that adds a radio function to control listening and recording and playback of a selected broadcast signal. It relates to a radio function Bluetooth additional device and method.

The mobile terminal (MS) moves freely in the service area formed by the corresponding base station (RAN: RADIO ACCESS NETWORK) of the registered mobile communication system and monitors and monitors the mobile switching station (MSC). It is a high-tech wireless communication device that allows an individual to always carry and move by directly carrying out wireless access communication with a desired party anytime and anywhere through a communication path established by control and switching.

Since the mobile terminal (MS) is guaranteed to be mobile and can communicate with the other party at any time and wirelessly, the mobile terminal (MS) can communicate in a state in which other work is in progress or in a mobile state, in particular, while driving, and work in progress as described above. However, for safety of operation, use EAR-MIC device or HAND-FREE device.

Such an ear microphone or a hand free device is referred to as an additional device or accessory (ACCESSARY) (hereinafter referred to as an additional device) of the mobile terminal MS.

The additional device as described above transmits and receives a corresponding voice level signal used for communication in a state of always maintaining a connection with the portable terminal, and communicates using the voice signal transmitted and received as described above.

As described above, the additional device that maintains the connection with the mobile terminal MS includes a wired connection, a method using a radio frequency, a connection method using infrared (INFRARED), and the like. .

The connection method using the IRIR is widely used because the bandwidth BANDWIDTH of the signal transmission is wide and the power consumption is relatively small, and it is called Bluetooth.

The additional device is simply used for voice level communication using a mobile terminal, and is not used in the case of no communication.

In general, all the communication equipment has a relatively small time for communication, but it is difficult to predict when the communication will occur, and therefore, there is a problem that it should always be prepared in a standby state, and in particular, when it occurs during work or operation. Since the additional device must always be worn or operated for communication, there is an inconvenience in use.

Therefore, there is a need to develop a technology that solves the problem of always having to wear an additional device even when not communicating to secure mobility as described above.

Hereinafter, a Bluetooth attachment of a portable terminal according to the prior art will be described with reference to the accompanying drawings.

1 is a configuration diagram of a Bluetooth attachment of a portable terminal according to the prior art, and FIG. 2 is a flowchart of a method for operating a Bluetooth attachment of a portable terminal according to the prior art.

Referring to FIG. 1, the Bluetooth additional device of the portable terminal according to the prior art will be described. The mobile terminal (MS) 50 is connected to the base station (RAN) wirelessly to perform mobile communication with the other party. The contents of the call are transmitted to the additional device 10 through the Bluetooth unit 60 that is integrally provided.

The additional device 10 communicates with the Bluetooth unit 60 of the portable terminal 50 in infrared through the Bluetooth unit 40 integrally provided therein, and receives the contents of the call with the counterpart. The received call content is applied to the codec unit 30.

The codec unit 30 demodulates the digitally coded voice level signal and outputs it to the audio unit 20 so that the user can listen. The voice level signal generated by the user is input by the audio unit 20. Since the digital signal is modulated by the codec unit 30 and applied to the Bluetooth unit 40, the codec unit 30 converts the digital signal into infrared (IRDA) and transmits the infrared signal to the portable terminal 50.

Since the Bluetooth unit 60 of the mobile terminal (MS) 50 receives a communication signal transmitted from the Bluetooth unit 40 of the additional device 10 to infrared (IRDA), processes the vocoder, and transmits it to the base station, Sent to the other party.

The mobile terminal (MS) 50 performs a mobile communication with a wirelessly connected counterpart, and simultaneously transmits the communication information to the additional device 10 through infrared (IRDA).

Therefore, using the infrared ray attachment 10, the mobile terminal 50 is positioned at a predetermined place, and the communication is performed while moving freely within a predetermined radius with respect to the mobile terminal 50.

However, when the additional device does not communicate, there is a problem that cannot be used for other purposes.

Referring to FIG. 2, a method for operating a Bluetooth additional device of a portable terminal according to the prior art is described. When communicating with a counterpart designated by a mobile terminal 50 for mobile communication (S10), the portable terminal 50 In addition, the Bluetooth unit 60 is set to an operational state to operate the Bluetooth additional device 10 (S20), and transmits and receives the communication contents in progress with the counterpart in infrared.

Since the Bluetooth unit 40 of the Bluetooth additional device 10 transmits and receives a call using the Bluetooth unit 60 of the portable terminal 50 and infrared (IRDA), the mobile communication proceeds (S30).

The present invention having the above-described configuration is connected to the base station (RAN) in a wirelessly connected state by using a mobile terminal (MS) 50 and an infrared ray (IRDA), and performs mobile communication by direct call with the called party. There is an advantage.

However, the Bluetooth accessory according to the prior art having the above-described configuration cannot be used for other purposes when there is no communication, and thus there is a problem in management.

The present invention provides a mobile terminal that adds a radio function to a Bluetooth additional device of a mobile terminal, operates in a radio listening mode when not used for communication, and records and reproduces preferred broadcast contents in the mobile terminal to increase its utilization. It is an object of the present invention to provide a radio function Bluetooth additional device and method.

The present invention devised to achieve the above object is an additional device connected to the portable terminal and infrared; A Bluetooth unit wirelessly connected to the portable terminal by infrared rays and wirelessly transmitting and receiving a signal; A codec unit connected to the Bluetooth unit, the received signal is digital demodulated, and the transmitted signal is digitally modulated; A switch unit connected to the codec unit and configured to set a transmission path of a communication signal and a radio signal according to the control signal; A radio unit connected to the switch unit and receiving and outputting a radio signal; And a control unit for controlling the routing by accessing the switch unit and for monitoring and operating the respective function units.

In addition, the present invention has been made in order to achieve the above object, the preparation process for operating the Bluetooth additional device when setting the mobile terminal to the communication standby state; A communication process in which the portable terminal transmits a communication signal to the counterpart via Bluetooth when the additional device of the above process sets the communication mode; A listening step of receiving a radio signal and outputting it to an audio unit when the additional device of the above procedure sets a listening mode; A recording process of recording and storing the received radio signal by transmitting the received radio signal to the portable terminal via Bluetooth when the additional device of the above process sets the recording mode; When the additional device of the above process is set to the play mode, a play process of searching for, selecting and listening to a list of radio signals recorded in the portable terminal to determine whether to listen to the mobile communication is performed.

In addition, the present invention has been made in order to achieve the above object, the preparation process for operating the Bluetooth additional device when setting the mobile terminal to the communication standby state; A communication process in which the portable terminal transmits a communication signal to the counterpart via Bluetooth when the additional device of the above process sets the communication mode; A listening step of receiving a radio signal and outputting it to an audio unit when the additional device of the above procedure sets a listening mode; A recording step of recording and storing the received radio signal by transmitting the received radio signal to the portable terminal via Bluetooth when the additional device of the above procedure sets the recording mode; When the additional device of the above process is set to the play mode, a play process of searching for, selecting and listening to a list of radio signals recorded in the portable terminal to determine whether to listen to the mobile communication is performed.

Hereinafter, the present invention will be described with reference to the accompanying drawings a radio function Bluetooth additional device and method of a mobile terminal.

It is attached to illustrate the present invention, Figure 3 is a functional block diagram of a radio function Bluetooth adder of the portable terminal according to the present invention, Figure 4 is a flow chart of a radio function Bluetooth addition method of the portable terminal according to the present invention.

Referring to FIG. 3, according to the present invention, a configuration of an additional device of a Bluetooth function of a radio function of a mobile terminal will be described. In the additional device 100 connected to a mobile communication terminal by infrared rays,

An audio unit 110 which is integrally provided in the Bluetooth additional device 100, is connected to the switch unit 120, outputs a received communication signal and a radio signal, and inputs a voice signal;

A switch unit 120 connected to the audio unit 110 and configured to switch and set transmission paths of communication signals and radio signals by corresponding control signals;

It is connected to the switch unit 120 to control the path setting, and monitor and operate each function unit of the additional device 100, and analyzes the control command applied from the key button unit 140 to set the communication mode and the regeneration mode if it is set. The control unit 120 controls the audio unit 110 and the codec unit 180 to set the path, and if the listening mode is set, the radio unit 150 and the audio unit 110 is set to the path. Sets a path between the unit 150 and the codec unit 180, receives a list recorded by the mobile terminal while the play mode is set, outputs the list to the display unit, and transmits a request from the list displayed on the display unit to the mobile terminal. The control unit 130,

A key button unit 140 connected to the control unit 130 and inputting a control command for setting and selecting a communication mode, a listening mode, a recording node, and a playback mode;

A radio unit 150 connected to the switch unit 120 to receive and output a radio signal, receiving a radio broadcast signal selected by the control signal, and outputting the radio broadcast signal to the switch unit 120;

Bluetooth unit 160 which is wirelessly connected to the portable terminal by infrared rays and wirelessly transmits and receives a signal, and wirelessly transmits and receives a control signal including a communication signal, a recording signal, and a reproduction signal to 2.4 GHz infrared ray.

A display unit 170 connected to the Bluetooth unit 160 and outputting a list of recorded broadcast files for display selection in a predetermined order;

The codec unit 180 is connected to the Bluetooth unit 160, the received signal is digital demodulated, and the transmitted signal is digitally modulated.

Hereinafter, according to the present invention having the above configuration, the configuration of the additional device 100 of the radio function Bluetooth additional device of the portable terminal will be described in detail with reference to the accompanying drawings.                     

The Bluetooth additional device 100 connects the mobile terminal 200 with an infrared (IRDA) Bluetooth signal of a 2.4 GHz frequency to perform ongoing mobile communication, or listens to a radio signal by itself, and a desired portion of the radio signal being listened to. To transmit to the portable terminal using the Bluetooth to record and record, and to select and play one of the plurality of recorded radio signals.

As described above, the mobile communication, the radio listening, the recording of the selected radio signal, the reproduction of the selected signal among the plurality of recorded radio signals, and the like, the control unit 130 recognizing a control command input through the key button unit 140. It is selected and controlled by the control unit switch.

For example, when the Bluetooth additional device 100 is set to a communication mode and used for mobile communication, a corresponding control command is input from the key button unit 140 and recognized by the controller 130. The switch unit 120 is controlled.

The switch unit 120 under the above control is set such that the path between the audio unit 110 and the codec unit 180 is connected, and the mobile communication signal transmitted at 2.4 GHz from the mobile terminal 200 is a Bluetooth unit. Received at 160 and applied to the codec unit 180, and demodulated at the codec unit 180 via the path set by the switch unit 120, the audio is applied to the audio unit 110 and output as a voice signal.

The voice signal generated by the user who recognizes the mobile communication voice signal output through the audio unit 110 is converted into an electrical signal in the audio unit 110 and through a path set by the switch unit 120. It is applied to the codec unit 180, modulated to a digital signal in the codec unit 180 is applied to the Bluetooth unit 160, the Bluetooth unit 160 is converted to an infrared (IRDA) signal of 2.4 GHz and output Therefore, it is transmitted to the mobile terminal 200 and transmitted to the other party by the mobile terminal 200.

That is, the portable terminal 200 is connected to the base station (RAN), receives and confirms the signal transmitted and communicated with the other party through the Bluetooth unit 160, and receives the response signal through the Bluetooth unit 160, the portable terminal Since the data is transmitted to the mobile station 200, the mobile terminal 200 transmits the data to the base station RAN and the mobile station 200 performs mobile communication.

Therefore, in a state where the portable terminal 200 which is compact and mobile is located at a certain place, the user has an advantage of continuing work or driving safely using an additional device using Bluetooth.

As another example, when the Bluetooth additional device 100 is set and operated in a radio listening mode, the controller 130 controls the switch unit 120 by a corresponding control command applied from the key button unit 140. Therefore, the path PATH of the radio unit 150 and the audio unit 110 is set to be connected.

The radio unit 150 receives and outputs an airwave broadcasting signal according to the control signal, and the radio signal received and output as described above is output to the audio unit 110 through the path of the switch unit 120, so that the user Listens to the received radio signal.

As another example, among the radio signals received in the listening mode as described above, if there is a preferred or important content and wants to record, the corresponding control command signal for setting the corresponding recording mode is input from the key button unit 140. Since the controller 130 is recognized by the controller 130 to control the switch unit 120, a path PATH between the radio unit 150 and the codec unit 180 is additionally set.

The codec unit 180 digitally modulates a radio signal applied from the radio unit 150 to the Bluetooth unit 160, and the Bluetooth unit 160 converts the radio signal into a 2.4 GHz infrared (IRDA) signal and outputs the converted signal. .

As described above, the radio signal output from the Bluetooth unit of the additional device 100 is transmitted to the mobile terminal 200 and is recorded and stored in a predetermined order in the designated area of the corresponding memory of the mobile terminal by the control.

As another example, when the control unit 130 that recognizes the control command signal applied from the key button unit 140 determines to set the playback mode, the control unit 120 controls the switch unit 120 to control the codec unit 180 and the audio unit. At the same time as setting the path of the 110, and outputs a control signal for requesting a list to the mobile terminal 200 through the Bluetooth unit 160, the list received from the mobile terminal 200, the display unit 170 ) To be output and displayed in a predetermined order.

The list displayed as described above is a list of radio signals recorded on the mobile terminal 200. When one of the lists is selected through the key button unit 140, the control signal is transmitted to the mobile terminal 200. The portable terminal 200 outputs the selected radio recording signal to the additional device 100.

The additional device 100 receives the reproduction radio signal transmitted from the mobile terminal 200 through the Bluetooth unit 160, applies the demodulated signal to the codec unit 180, and demodulates the audio signal to the audio unit 110 through the switch unit. In response to the audio signal being output as a voice signal, the user listens to a radio signal reproduced.

Therefore, the Bluetooth additional apparatus 100 according to the present invention having the above-described configuration is wirelessly connected to the mobile terminal 200 and transmits / receives by mobile communication and listens to a radio signal when not communicating. In addition, there is an advantage in that an important or necessary radio signal is recorded in the mobile terminal 200, and one of a plurality of radio signals recorded in the mobile terminal 200 is selected and reproduced.

 In addition, according to the present invention with reference to the accompanying Figure 3, a description will be given of the configuration of a portable terminal of a radio function Bluetooth attachment of the portable terminal.

In the mobile terminal for mobile communication, the wireless unit 240 for wirelessly connecting to the base station (RAN) in accordance with the control signal, and wireless transmission and reception of the communication signal,

It is connected to the wireless unit 240 and processes and inputs and outputs a communication signal by VOCODER by a control signal, and records and outputs a broadcast signal. The wireless unit 240 is controlled to wirelessly connect and communicate with a base station RAN. The signal is wirelessly transmitted and received, and the wireless unit 240 transmits the signal transmitted by the wireless unit 240 with the corresponding control command and applies it to the Bluetooth unit 210, and controls the wireless transmission and reception by the additional device 100 and infrared (IRDA), The control unit 220 for monitoring and managing the entire operation of the mobile terminal 200,

By recording and storing the broadcast signal in a predetermined order under the control of the control unit 220, and recording and storing the broadcast signal recorded and applied from the Bluetooth additional device 100 in the predetermined area in a predetermined order. Memory unit 230 for recording and outputting,

A Bluetooth unit 210 is connected to the control unit 220 and includes a Bluetooth unit 210 that wirelessly transmits and receives all communication signals including a mobile communication signal with the other party, a radio broadcast signal recorded, and a radio broadcast signal to be reproduced. to be.

Hereinafter, according to the present invention having the above configuration, the configuration of the mobile terminal 200 of the Bluetooth function of the radio function of the portable terminal will be described in detail with reference to the accompanying drawings.

When the mobile communication unit 220 of the mobile communication terminal 200 communicates with the other party specified by the corresponding control signal, the controller 220 controls the wireless unit 240 to access the base station RAN and is set by the call connection request. Mobile communication with the other party through the communication path.

When the voice signal of the mobile communication in progress with the other party is to be processed through the additional device, the vocoder is processed by the control of the control unit 220 that recognizes the control signal and applied to the Bluetooth unit 210 as an infrared signal of 2.4 GHz. Is converted and transmitted to the additional device 100.

The additional device 100 that receives the mobile communication signal transmitted from the portable terminal 200 via Bluetooth transmits a corresponding response signal through Bluetooth, and the signal is received through the Bluetooth unit 210 of the portable terminal 200. Since it is applied to the control unit 220, the vocoder processing in the control unit 200 is applied to the radio unit 240, the mobile communication transmitted to the base station (RAN) is transmitted to the other party.                     

If the controller 220 of the portable terminal 200 determines that the radio signal is to be recorded by analyzing the control signal applied from the additional device 100, the controller 220 may receive the radio broadcast signal received through the Bluetooth unit 210. It is applied to the memory unit 230 by VOCODER processing, and recorded in a predetermined order in the designated area.

A plurality of radio signals recorded as described above are recorded in a file format in a range allowed by an area allocated to the memory unit 230.

In addition, the controller 220 analyzes a control signal input from the additional device 100 and reproduces the plurality of recorded radio signals in the form of a file in the memory unit 230. The list of outputs to the additional device 100 through the Bluetooth unit 210.

When a control signal for selecting one of the lists is input, the controller 220 outputs a radio signal of the selected file, and the additional device 100 through infrared ray (IRDA) of 2.4 GHz through the Bluetooth unit 210. Send to).

Therefore, the mobile terminal 200 of the above configuration performs mobile communication by itself, and transmits the mobile communication signal to the additional device 100 by the Bluetooth unit 210 under the control, so that the mobile device 200 communicates with the additional device 100. In addition, a plurality of radio signals transmitted by the additional device 100 are stored and stored in the memory unit 230 in the form of a file, and when a reproduction request is received, the radio signal of the selected file is output and the Bluetooth unit 210 is stored. Send via

Hereinafter, with reference to the accompanying Figure 4, it will be described in detail with reference to the accompanying drawings, according to the present invention, a radio function Bluetooth addition method of a mobile terminal.

The process of determining whether to set the mobile terminal 200 to the communication standby state by operating the Bluetooth additional device 100 when the mobile terminal 200 is set to the communication standby state. S100); In the case of setting the mobile terminal 200 to the communication standby state in the process (S100), the preparation process consisting of the step of establishing a communication operation by connecting to the Bluetooth additional device 100 and infrared (IRDA) (S110),

When the additional device 100 of the preparation process sets the communication mode, the mobile terminal 200 transmits a communication signal to the other party through Bluetooth, and the Bluetooth additional device 100 of the preparation process is set to the communication mode. Determining (S120); When the communication mode is set in the process (S120) and the communication process comprising the step of connecting with the other party through the portable terminal 200 connected via Bluetooth and completing the communication process (S130),

When the additional device 100 of the process sets the listening mode, receiving and outputting a radio signal to the audio unit 110 determines whether the Bluetooth additional device 100 is set to the listening mode (S140). ; If the listening mode is set in the step (S140), the listening step comprising the step (S150) of receiving and listening to the selected broadcast signal by controlling the radio unit 150 embedded in the additional device,

When the additional device 100 of the above process sets the recording mode, the received radio signal is transmitted to the portable terminal 200 via Bluetooth for recording and storage, and it is determined whether the Bluetooth additional device 100 is set to the recording mode. Process (S160); When the recording mode is set in the step (S160), the recording process comprising the step of transmitting the radio broadcast signal to the portable terminal 200 via Bluetooth to record and save in a predetermined order (S170),

When the additional device of the above process is set to the play mode, it is determined whether to listen to the radio signal list recorded in the mobile terminal 200 by selecting and listening to the mobile communication, and whether the Bluetooth additional device 100 is set to the play mode. Determining (S180); When the play mode is set in step S180, searching for a list of radio signals recorded in the mobile terminal 200, downloading and downloading the selected radio signals, and listening to play them (S190); When the Bluetooth additional device 100 of the process (S190) is mobile communication is fed back to the communication process (S120) (FEEDBACK) and if not the mobile communication consists of a playback process consisting of the process proceeds to the end (S200) do.

Hereinafter, according to the present invention having the configuration described above, a radio function Bluetooth addition method of a portable terminal will be described in detail with reference to the accompanying drawings.

When operating power is supplied to the portable terminal to become an operating state and at the same time a mobile communication standby state is set (S100), an operating state capable of communicating with the Bluetooth additional device 100 by setting the corresponding Bluetooth unit 210 to an operating state. Set to (S110).

When the Bluetooth additional device 100 set as the operation state is set to the communication mode according to the control command applied from the key button unit 140 (S120), the mobile terminal 200 through the Bluetooth unit 160 Since it communicates with the Bluetooth unit 210, and transmits and receives a communication signal with the other party connected to the call proceeds and completes (S130).

When the additional device 100 sets the listening mode according to the control command signal applied from the key button unit 140 (S140), the radio unit 150 selects a radio broadcast signal received and the audio unit Listen through 110 (S150).

In addition, when the control unit 130 of the additional device 100 analyzes the control command signal input through the key button unit 140 and determines that the recording mode is set (S160), it is received from the radio unit 150. The radio broadcast signal to be listened to is transmitted to the mobile terminal 200 through the Bluetooth unit 160, and then recorded and stored in a predetermined order in the allocated area and controlled to be recorded (S170).

In addition, when the control unit 130, which analyzes the control command signal applied through the key button unit 140, determines that the play mode is set (S180), it transmits a recorded list to the portable terminal 200. In addition, the list LIST is output to the display unit 170 to display the list, and the mobile terminal 200 requests a radio recording signal of a file selected from the always displayed list.

Since the portable terminal 200 reads the radio broadcast recording signal of the requested file from the memory unit 230 and applies it to the Bluetooth unit 210, the portable terminal 200 is output in infrared ray (IRDA) of 2.4 GHz and receives the signal. Since the additional device 100 reproduces the voice signal, the user listens (S190).

When the control unit 130 of the additional device 100 wants to repeat the above process (S200), the control unit 130 feeds back to the communication process S120 to set a communication mode from the key button unit 140. If the control command signal is input (S120), if the communication mode is not set in the determination (S120), it is determined whether the listening mode is set (S140), if the listening mode is not set in the determination (S140) In step S160, if the recording mode is not set in the determination S160, the process of determining whether or not the recording mode is set is repeated (S180).

Therefore, according to the present invention having the above-described configuration, when the mobile terminal 200 performs the mobile communication using the Bluetooth additional device 100, it is wirelessly connected to transmit and receive a signal of the mobile communication, and is used for communication as described above. If not, the radio signal is listened to by itself, and the signal to be recorded among the radio signals is recorded in the memory unit 230 of the mobile terminal 200 in the form of a file, and in the form of the recorded file. There is an advantage in selecting and playing back a plurality of radio signals.

According to the present invention having the above configuration, there is an industrial use effect of responding to the mobile device that the mobile terminal proceeds by using the Bluetooth additional device connected to the portable terminal by infrared rays of 2.4 GHz.

In addition, when the Bluetooth additional device is not used for mobile communication, there is an effect of extending the application range for listening to a radio signal.

In addition, there is a convenient effect of recording, storing, selecting, and reproducing a plurality of preferred radio signals in a file form on a portable terminal among the radio signals listened to by the Bluetooth additional device.

Claims (13)

An additional device connectable to a mobile terminal, Bluetooth unit for performing signal transmission and reception by wirelessly connecting to the mobile terminal; A codec unit which is connected to the Bluetooth unit and digitally demodulates a received signal and digitally modulates the transmitted signal; A switch unit connected to the codec unit for setting a transmission path of a communication signal and a radio signal according to a control signal; A radio unit connected to the switch unit to receive and output a radio signal; A control unit for generating the control signal for controlling the routing of the switch unit, and including a control unit for monitoring and operating the Bluetooth unit, the codec unit, the switch unit, and the radio unit; Attachment. The method according to claim 1, A display unit connected to the Bluetooth unit for displaying and selecting a list of recorded broadcast files; An audio unit connected to the switch unit to output a received communication signal and a radio signal and to input a voice signal; And a key button unit connected to the control unit for inputting a control command for selecting a communication mode, a listening mode, a recording mode, and a playback mode. The method of claim 1, wherein the control unit, Analyze the control command applied from the key button unit, and if it is for communication mode and playback mode setting, control the switch unit to set the path of the audio unit and the codec unit, If it is for listening mode setting, set the path of radio part and audio part. If the recording mode is set, set the path of radio part and codec part. When the play mode is set, the mobile terminal receives the recorded list and outputs it to the display unit. The radio function Bluetooth additional device of the portable terminal, characterized in that for requesting transmission to the portable terminal selected from the list displayed on the display. The method according to claim 1, The Bluetooth unit transmits and receives a control signal including a communication signal, a recording signal and a reproduction signal as a wireless signal of 2.4 GHz, And the radio unit receives and outputs a radio broadcast signal selected by the control signal. In the mobile terminal for mobile communication, A wireless unit which wirelessly connects to a base station and wirelessly transmits and receives a communication signal; A control unit connected to the wireless unit for vocoder processing and outputting a communication signal and recording and outputting a broadcast signal; A memory unit for recording and storing a broadcast signal in an allocated area under control of the controller; The Bluetooth function of the portable terminal connected to the control unit, characterized in that the configuration comprises a Bluetooth unit for wireless transmission and reception of a communication signal. The method of claim 5, wherein the control unit, The wireless unit is controlled to wirelessly connect with a base station, and wirelessly transmits and receives a communication signal. The signal is transmitted to the Bluetooth unit by vocoder processing of the signal transmitted and received by the control unit, and the wireless unit receives and controls the wireless unit. Radio function Bluetooth additional device of the mobile terminal, characterized in that for monitoring and managing the entire operation of the terminal. The method of claim 5, wherein the memory unit, The radio function Bluetooth add-on of the portable terminal, characterized in that the recording and recording and output storage of the broadcast signal is selected and applied from the Bluetooth add-on under the control of the control unit in a specified area. When the mobile terminal is set to the communication standby state, the preparation process for operating the Bluetooth additional device, A communication process of transmitting, by the portable device, a communication signal from the mobile terminal to the other party when the additional device sets a communication mode; A listening process of receiving and outputting a radio signal to the audio unit when the additional device sets a listening mode; A recording process of recording and storing the received radio signal by transmitting the received radio signal to the portable terminal via Bluetooth when the additional device sets the recording mode; If the additional device is set to the playback mode, the radio function Bluetooth addition method of the portable terminal characterized in that it comprises a playback process to search, select, listen to the radio signal list recorded on the portable terminal and determine whether the mobile communication. The method of claim 8, wherein the preparation process, Determining whether the operating power is applied to the mobile communication portable terminal to set the communication standby state; And setting a communication operation by connecting to a Bluetooth additional device when setting the portable terminal to the communication standby state. The method of claim 8, wherein the communication process, Determining whether the Bluetooth additional device of the preparation process is set to a communication mode; When the communication mode is set, the radio function Bluetooth addition method of the mobile terminal, characterized in that the process of connecting with the other party through the portable terminal connected via Bluetooth to complete the communication process. The method of claim 8, wherein the listening process, Determining whether the Bluetooth accessory device is set to a listening mode; If the listening mode is set, the radio function Bluetooth addition method of the mobile terminal, characterized in that the control process of the radio unit embedded in the additional device to receive and listen to the selected broadcast signal itself. The method of claim 8, wherein the recording process, Determining whether the Bluetooth accessory device is set to a recording mode; When the recording mode is set, the radio function Bluetooth addition method of the portable terminal, characterized in that for transmitting the radio recording signal to the portable terminal by recording and storing the recording. The method of claim 8, wherein the regenerating process, Determining whether the Bluetooth accessory device is set to a play mode; When the play mode is set, searching for a list of radio signals recorded in the mobile terminal, downloading and playing a selected radio signal, and listening to the radio signal; When the Bluetooth additional device is in mobile communication, it returns to the communication process, and when the mobile device does not perform the mobile communication, the radio function Bluetooth adding method of the portable terminal, characterized in that the process proceeds to the end.

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