KR20010111943A - Control method of car audio using moving communication terminal and control apparatus thereof - Google Patents

Abstract

The disclosed control method and control device includes a control key of a car audio in the mobile communication terminal, controls the operation of the car audio with the mobile communication terminal while the mobile communication terminal is mounted in the car audio, and also makes a phone call hands-free. Of course, listen to the playback signal of the MP3 means provided in the mobile terminal through the car audio.

The present invention determines whether the mobile communication terminal is mounted on the car audio body, and when the mobile communication terminal is not mounted on the car audio body, displays predetermined letters, numbers, and symbols in a normal state on the display window of the mobile communication terminal, and performs mobile communication. Performs a telephone call according to the operation of the terminal keyboard provided in the main body of the terminal. When the mobile communication terminal is mounted in the car audio main body, predetermined letters, numbers, and symbols are rotated by 90 degrees and displayed on the display window. Toggles the power of the car audio body according to the key input, and determines the power state of the car audio body, and the control key of the MP3 / car audio keyboard provided in the mobile terminal when the power of the car audio body is on. Set the operation mode of the car audio main body according to the operation and control the operation of the car audio main body according to the set operation mode.

Description

Control method and control apparatus of car audio using mobile communication terminal

The present invention is equipped with a mobile communication terminal in the car audio, control the operation of the car audio with the mobile communication terminal, and hands-free phone calls as well as the playback signal of the MP3 means built in the mobile communication terminal through the car audio The present invention relates to a control method and a control apparatus of a car audio using a mobile communication terminal.

With the development of information and communication technology, change of life style and economic growth, the form of communication culture is changing rapidly, and the demand for high-speed information transmission in the information age is not only time, but also underground, air, sea and mountain areas. Mobile communication system that can receive communication service regardless of place is becoming an important communication medium that is indispensable in daily life.

In such a mobile communication system, a mobile communication terminal that allows a user to easily carry a telephone call and has recently been provided with an MP3 means to download a music file for MP3 when not making a telephone call to the mobile communication terminal, The MP3 means built in the mobile terminal can be played and listened to by the user, or a removable memory pack in which the MP3 music file is stored in the mobile terminal is detachably mounted, and the MP3 music file stored in the memory pack is stored in the MP3. The means allows playback and the user to listen, and also has both of the above functions to selectively play and listen to the downloaded MP3 music file and the MP3 music file stored in the memory pack.

In addition, when making a phone call using the mobile communication terminal while driving a vehicle, a lot of safety accidents occur due to being disturbed by driving of the vehicle. Therefore, many vehicle drivers are equipped with a hands-free device in a vehicle, and when the vehicle is boarded and driven, a mobile communication terminal is connected to the hands-free device so that hands-free phone calls can be made without disturbing driving of the vehicle.

On the other hand, the vehicle is provided with a car audio to enable the driver and passengers of the vehicle to drive and ride the vehicle in a more comfortable state. The car audio is provided with an AM / FM radio, tape player and / or CD / MD player integrally, and selectively operates the AM / FM radio, tape player and / or CD / MD player according to the user's operation. It is possible to listen to broadcast signals or to listen to playback signals of playback media such as tape cassettes, CDs and / or MDs. Such car audio is very expensive and frequently intruders are stolen by separating an intruder and car audio when the vehicle is parked.

Therefore, recently, the control panel of the car audio is manufactured to be detachably attached to the front of the car audio, and when the vehicle is parked, the control panel is separated from the car audio to prevent theft of the portable and car audio. However, if the car audio control panel is provided separately, the control panel is mounted on the car audio when the vehicle is boarded, and when the car is parked, the control panel must be removed and carried, which causes a lot of inconvenience and inconvenience to the driver of the vehicle. There were problems such as giving.

Accordingly, an object of the present invention is to provide a control key of a car audio in a mobile communication terminal which is carried by a user without having a separate control panel in the car audio, and the mobile communication terminal is detachably mounted on the front of the car audio. A control method and a control apparatus of a car audio using a mobile communication terminal for controlling the operation of the car audio to the communication terminal.

It is another object of the present invention to provide a front opening / closing member on a front surface of a car audio, and a mobile communication terminal is detachably mounted on the front opening / closing member to open a front opening / closing member equipped with a mobile communication terminal. The present invention provides a method and a control apparatus for a car audio using a mobile communication terminal to mount and play back a playback medium such as a tape cassette, a CD, and an MD.

It is still another object of the present invention to provide a control method and a control apparatus of a car audio using a mobile communication terminal to output a telephone call voice signal of the mobile communication terminal to the body of the car audio to make a phone call hands-free .

It is still another object of the present invention to provide a mobile audio terminal having an integrated MP3 and to output a voice signal of the MP3 to the main body of the car audio when not making a phone call. It is to provide a control method and a control device.

1 is a front view schematically showing the front configuration of a mobile communication terminal according to the control device of the present invention,

2 is a rear view schematically showing a rear configuration of a mobile communication terminal according to the control device of the present invention,

3 is a perspective view showing a mobile communication terminal and a car audio according to the control device of the present invention,

4 is a front view showing a state in which a mobile communication terminal is mounted on the car audio according to the control device of the present invention,

5 is a front view showing the front opening and closing member of the car audio equipped with a mobile communication terminal according to the control device of the present invention,

Figure 6 is a longitudinal sectional view showing an enlarged opening and closing means for opening and closing the front opening and closing member of the car audio according to the control device of the present invention,

7 and 8 are perspective views showing the extracting the rotating locking member in the opening and closing means for opening and closing the front opening and closing member of the car audio according to the control device of the present invention,

9 is a circuit diagram of a control device of the present invention,

10 is a signal flowchart showing the operation of the microcomputer of the mobile communication terminal according to the control method of the present invention.

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

10: main body of the mobile communication terminal 13: MP3 / car audio keyboard

14: terminal keyboard 16: memory pack

20: battery 21: power charging contact

22, 322: input / output contact 30: body of car audio

31: regeneration medium insertion port 32: front opening and closing member

33: opening and closing means 90: microcomputer

91: mobile communication terminal unit 92: DSP unit

93: amplification unit 94: switching unit

95: horizontal / vertical display driver 321: power output contact

331, 334: rotation axis 332, 336: spring

333: front plate 335: rotation locking member

335a: pressing part 335b: locking part

337: locking pin 338: push button

According to a control method of a car audio using a mobile communication terminal of the present invention for achieving this object, the first process of determining whether the mobile communication terminal is mounted on the car audio body; When the mobile communication terminal is not mounted on the car audio main body in the first step, a predetermined letter, number, and symbol are displayed on the display window of the mobile communication terminal in a normal state, and the operation of the terminal keyboard provided in the main body of the mobile communication terminal is performed. A second process of performing a telephone call according to; When the mobile communication terminal is mounted on the car audio body in the first step, predetermined characters, numbers, and symbols are rotated by 90 degrees and displayed on the display window, and the car audio main body is toggled according to the input of the power key. A third step of determining a power state of the car audio body; And operating the control mode of the MP3 / car audio keyboard provided in the mobile communication terminal when the power of the car audio main body is turned on in the third process. Accordingly, it is controlled by the fourth process of controlling the operation of the car audio body.

In the third process, when the car audio main body is in a power-on state, it is determined whether a call signal is received or an operation of a keyboard for a mobile communication terminal and the call voice signal is received when a call signal is received or a keyboard for a terminal is operated. It includes the process of outputting to the car audio body and making a phone call hands-free, and when not making a phone call, judging the operation of the control key of the MP3 / car audio keyboard and according to the operated control key. In addition to operating the MP3 integrally provided in the terminal, characterized in that it comprises the step of outputting the reproduced voice signal of the MP3 to the body of the car audio.

And according to the control device of the car audio using the mobile communication terminal of the present invention, the mobile terminal is provided with a keyboard for MP3 / car audio for controlling the operation of the car audio; And a car audio body integrally provided with an AM / FM radio and / or a reproduction unit of a predetermined playback medium, wherein the car audio body includes: a front opening / closing member rotatably installed on a front surface and mounted on the mobile communication terminal; Opening / closing means for rotating the front opening / closing member to expose a reproducing medium insertion opening for mounting the predetermined reproducing medium to the body of the car audio; A plurality of power charging contacts configured to output power of the car audio body to the mobile communication terminal to charge the battery when the mobile communication terminal is mounted on the front opening / closing member; And a plurality of input / output contacts for inputting / outputting a voice signal output from the mobile communication terminal and a control signal according to an operation of the MP3 / audio keyboard.

The mobile communication terminal, MP3 is integrally provided, and further, MP3 / car audio keyboard for controlling the operation of the MP3 and the car audio body; A terminal keyboard for controlling an operation of the mobile communication terminal unit; A microcomputer controlling the operation of the car audio body according to the operation of the MP3 / car audio keyboard and controlling the operation of the mobile communication terminal according to the operation of the keyboard for the terminal; A memory pack that reads music files that are mounted according to a user's operation and are stored in advance under the control of the microcomputer; A DSP unit for digitally processing and outputting a music file read from the memory pack under the control of the microcomputer; An amplifier for amplifying the output signal of the DSP unit; A switching unit configured to switch the output signals of the amplifying unit and the mobile communication terminal unit under the control of the microcomputer and selectively outputting them to a car audio body; And a horizontal / vertical display driving unit configured to display predetermined letters, numbers, and symbols on a display window in a normal state or rotated by 90 degrees according to the control of the microcomputer, and the opening and closing means includes: a rotating shaft of the front opening / closing member; A spring installed on the rotation shaft to allow the front opening / closing member to rotate and open outward; Rotating member is provided with a pressing portion and the engaging portion is provided to be rotated downward by the elastic force of the spring; A locking pin provided on the front opening / closing member and caught by a locking portion of the rotation locking member to stop rotation of the front opening / closing member; And according to the user's operation by pressing the pressing portion of the locking member is characterized in that the locking pin is made of a push button to be released from the locking portion and the front opening and closing member is rotated.

Hereinafter, a control method and a control apparatus of a car audio using a mobile communication terminal of the present invention will be described in detail.

1 is a view schematically showing the front configuration of a mobile communication terminal according to the control device of the present invention. Here, reference numeral 10 denotes a main body of the mobile communication terminal, and a speaker 11 and a display window 12 are provided at the front upper end of the main body 10, and the lower part of the display window 12 is integrated with the main body 10 of the mobile communication terminal. MP3 / car audio keyboard 13 comprising a plurality of control keys for controlling the operation of a car audio main body and a built-in MP3 means to be described later, and a terminal keyboard comprising a plurality of control keys for controlling the operation of a mobile communication terminal. 14 is provided, and a microphone 15 for inputting a user's voice signal is provided below the terminal keyboard 14. And a memory pack mounting unit 17 for detachably mounting a memory pack 16 on which a music file of MP3 is stored and output in advance on a side of the main body 10, and outputting an analog audio signal of a mobile communication terminal and an MP3. Earphone jack 18 is provided.

2 is a view schematically illustrating a rear configuration of a mobile communication terminal according to the control device of the present invention. Here, reference numeral 20 denotes a battery for supplying operating power to the main body 10 of the mobile communication terminal. A lower portion of the battery 20 is provided with a plurality of power charging contacts 21 for charging and inputting power, and the main body 10 of the mobile communication terminal and a predetermined contact point between the plurality of power charging contacts 21. (Not shown in the drawing) is electrically connected to and outputs the analog voice signal of the mobile communication terminal and the MP3, as well as the control signal generated by the operation of the control key of the MP3 / keyboard keyboard 13 A plurality of input / output contact 22 for outputting is provided.

3 is a view showing a car audio and a mobile communication terminal according to the control device of the present invention, Figure 4 is a view showing a mobile communication terminal is mounted on the car audio, Figure 5 is a car audio with a mobile communication terminal The figure shows opening the front opening and closing member. Here, reference numeral 30 denotes a body of car audio. The front plate 333 of the main body 30 of the car audio is formed with a reproducing medium insertion opening 31 for inserting and mounting a reproducing medium such as a tape cassette therein, and in front of the main body 30 of the car audio. The front opening and closing member 32 is rotated and opened and closed by the opening and closing means 33 is provided.

When the main body 10 of the mobile communication terminal equipped with the battery 20 is mounted on the front opening / closing member 32, the front opening / closing member 32 is in electrical contact with the plurality of power charging contacts 21 of the battery 20. A plurality of power output contacts 321 are provided to allow the battery 20 to be charged from the main body 30 of the car audio. Also, a plurality of input / output contacts 22 of the battery 20 are provided. The control signal generated by the operation of the control keys of the MP3 / audio keyboard 13 as well as inputting the voice call signal and the MP3 analog voice signal which are electrically contacted and output from the main body 10 of the mobile communication terminal. A plurality of input / output contacts 322 for inputting are provided.

As shown in FIGS. 6 to 8, the opening / closing means 33 is provided with a rotating shaft 331 at the lower portion of the front opening / closing member 32 such that the front opening / closing member 32 is centered on the rotating shaft 331. It is rotatably installed, and the rotation shaft 331 is provided with a spring 332 so that the front opening and closing member 32 is configured to rotate and open to the outside by the elastic force of the spring 332. And the rotating shaft 334 is provided inside the front plate 333 of the car audio main body 30, the rotating locking member (34a) and the locking portion (335b) is provided on the rotating shaft 334 ( 335 is installed so that the pressing portion 335a and the locking portion 335b extend and penetrate the front plate 333 forward and forward, and a spring 336 is installed on the rotation locking member 335 so as to rotate the locking member 335. Is rotated downward by the elastic force of the spring 336. Also, the front opening / closing member 32 is caught by the locking portion 335b of the rotation locking member 335 so that the rotation of the front opening / closing member 32 is stopped and positioned vertically in front of the front plate 333. A locking pin 337 is provided, and a push button 338 is provided on the front opening / closing member 32 in front of the pressing part 335a of the rotating locking member 335 when the push button 338 is pressed. As the pressing part 335a is pressed, the rotation locking member 335 is rotated so that the locking pin 337 is separated from the locking part 335b and the front opening / closing member 32 is rotated.

When the user presses the push button 338, the opening and closing means 33 rotates the rotary locking member 335 by pressing the push part 335a of the rotary locking member 335 when the user presses the push button 338. As the member 335 rotates, the locking pin 337 is separated from the locking portion 335b so that the front opening / closing member 32 rotates with the elastic force of the spring 336 and the front plate 333 of the car audio body 30. Is exposed.

Therefore, the user can insert the reproducing medium such as audio tape and / or CD / MD into the car audio body 30 through the reproducing medium insert 31 of the exposed front plate 333.

In this way, after inserting a playback medium such as an audio tape and / or CD / MD into the car audio body 30, when the user rotates the front opening / closing member 32 by hand and returns to the original position, the locking portion 335b is caught. The pin 337 is caught, the main body 10 of the mobile communication terminal mounted on the front opening / closing member 32 is located at the front of the car audio, and the user is simply provided at the front of the main body 10 of the mobile communication terminal. The control keys of the MP3 / car audio keyboard 13 and the terminal keyboard 14 can be operated.

9 is a circuit diagram of the control device of the present invention. Here, reference numeral 90 denotes a microcomputer that controls the operation of the car audio main body 30 while controlling the operation of the mobile communication terminal. The microcomputer 90 operates the MP3 / audio keyboard 13 and the mobile communication terminal 91 provided with a plurality of control keys for controlling the operations of the MP3 and the car audio main body 30. A keyboard 14 for a terminal having a plurality of control keys for controlling is connected.

The memory pack 16 reads a music file mounted according to a user's operation and stored in advance under the control of the microcomputer 90, and the music file read from the memory pack 16 is read by the microcomputer ( 90, a digital signal processor (DSP) unit 92 for digitally processing and outputting the signal, an amplifying unit 93 for amplifying the output signal of the DSP unit 92, and an amplifying unit 93 and movement And a switching unit 94 for selectively outputting the output signal of the communication terminal unit 91 under the control of the microcomputer 90, and the output signal of the switching unit 94 provides an earphone jack 18. In addition to the output through the plurality of input / output contact 22 and the input / output contact 322 is sequentially input to the car audio body 30. In addition, a horizontal / vertical display driver 95 for driving a horizontal and vertical display of the display window 12 to display predetermined letters, numbers, and symbols under the control of the microcomputer 90 is provided.

In addition, the battery 20 provided in the main body 10 of the mobile communication terminal includes a plurality of power output contact points 321 and a battery provided with the power output from the car audio main body 30 provided in the front opening / closing member 32. 20 is sequentially applied through a plurality of power charging contacts 21 provided in the charging and configured to supply operating power to the entire mobile communication terminal.

In the control apparatus of the present invention configured as described above, when the power source of the main body 10 of the mobile communication terminal is turned on, the microcomputer 90 first mounts the main body 10 of the mobile communication terminal to the front opening / closing member 32 of the car audio. If it is not mounted on the front opening / closing member 32, the microcomputer 90 controls the mobile communication terminal 91 as the user operates the terminal keyboard 14 so that the user can make a phone call. Make a call.

When the user mounts the memory pack 16 in which the predetermined MP3 music file is stored in the memory pack mounting unit 17 and does not make a phone call, and operates a control key of the MP3 / audio keyboard 13. The microcomputer 90 reads the predetermined music file by controlling the memory pack 16 in accordance with the signal of the control key of the MP3 / audio keyboard 13, and the read-out predetermined music file is stored in the DSP unit 92. The analog signal of the MP3 music file output from the DSP unit 92 is switched and selected by the switching unit 94 under the control of the microcomputer 90, and then the earphone jack ( 18, the user can connect the earphone to the earphone jack 18 and listen to the playback voice signal of the MP3.

As described above, in a state in which the main body 10 of the mobile communication terminal is not attached to the front opening / closing member 32 of the car audio, the microcomputer 90 drives display of predetermined letters, numbers, and symbols to be displayed on the display window 12. The user outputs a normal signal, and the horizontal / vertical display driver 95 drives the display window 12 in accordance with the output display drive signal so that predetermined characters, numbers, and symbols are displayed normally on the display window 12. The predetermined characters, numbers, symbols, etc. displayed on the display window 12 can be confirmed in a normal state.

Meanwhile, when the mobile communication terminal body 10 is mounted on the front opening / closing member 32 of the car audio body 30, the power output from the car audio body 30 may include a plurality of power output contact points 321 and a battery ( The plurality of power charging contacts 21 provided in 20 are sequentially supplied to the battery 20 to supply operating power to the load of the charging and mobile communication terminal.

In this state, when the user operates the power key of the MP3 / audio keyboard 13 of the main body 10, the microcomputer 90 outputs a power control signal to the car audio main body 30 to output the car audio main body. The power supply 30 is turned on and off.

As the user manipulates the control keys of the MP3 / audio keyboard 13 while the power of the car audio main body 30 is turned on, the microcomputer 90 enters the MP3 mode, CD / MD playback mode, AM broadcast mode, The FM broadcast mode and tape playback mode are set sequentially.

Here, as the user operates the control keys of the MP3 / audio keyboard 13 in the MP3 mode, the microcomputer 90 controls the memory pack 16 to read a predetermined MP3 music file. The predetermined music file read out is converted into a digital processing and an analog signal by the DSP unit 92 and output. The analog signal of the MP3 music file output from the DSP unit 92 is amplified by the amplifier 93 and then switched. Entered at 94.

In this state, the microcomputer 90 controls the switching unit 94 to switch and output the output signal of the amplifying unit 43, and to control the car audio body 30 in the MP3 mode and the switching unit. The audio signal output from 94 is selectively outputted.

As the user selects the AM broadcast mode, the FM broadcast mode, and the playback mode, the microcomputer 90 controls the car audio body 30 to operate in the AM broadcast mode, the FM broadcast mode, and the play mode, and the like. A reproduction signal of a predetermined reproduction medium such as a signal, an FM broadcast signal and a tape is output.

When the user operates the control keys of the keyboard 14 for the terminal in the state of operating in the MP3 mode, AM broadcast mode, FM broadcast mode and playback mode or the like, and a call is received, the user calls and makes a phone call. The microcomputer 90 controls the switching unit 94 so that the voice signal output from the mobile communication terminal unit 91 is input to the car audio body 30 through the switching unit 94 and the car audio body ( 30. By controlling the output signal of the switching unit 94 by selectively controlling the user, the user can make a phone call hands-free using car audio.

In addition, when the user presses the push button 338 when mounting, replacing or detaching a predetermined playback medium on the car audio body 30, the rotation locking member 335 is rotated as described above and the locking pin 337 is rotated. The locking portion 335b is separated from the front opening / closing member 32 by the elastic force of the spring 336 and the front plate 333 of the car audio body 30 is exposed, and the user is exposed the front plate 333. A playback medium such as an audio tape and / or CD / MD can be mounted, replaced or detached from the car audio body 30 through the playback medium insertion hole 31 of the user, and the user opens the front opening / closing member 32 by hand. When rotating and returning to the original position, the locking pins 337 are caught by the locking portion 335b, and the main body 10 of the mobile communication terminal mounted on the front opening / closing member 32 is placed on the front surface of the car audio main body 30 again. Is located.

In the state in which the main body 10 of the mobile communication terminal is mounted on the front opening / closing member 32 of the car audio as described above, the microcomputer 90 is horizontally arranged with predetermined letters, numbers, and symbols to be displayed on the display window 12. The display driving signal and the vertical display driving signal are outputted to each other in reverse, and the horizontal / vertical display driving unit 95 drives the display window 12 according to the output display driving signal, and predetermined letters, numbers, and symbols are displayed on the display window 12. The back is rotated by 90 degrees so that the user can check the predetermined letters, numbers, symbols, etc. displayed on the display window 12 normally.

10 is a signal flowchart showing the operation of the microcomputer of the mobile communication terminal according to the control method of the present invention. As shown in FIG. 2, when the power of the mobile communication terminal is turned on, the microcomputer 90 performs an initialization operation in step 1000, and when the initialization operation is completed, the main body 10 of the mobile communication terminal in step 1002. ) Is mounted on the front opening / closing member 32 of the car audio body 30.

If the main body 10 of the mobile communication terminal is not mounted to the front opening / closing member 32 of the car audio main body 30 in step 1002, the microcomputer 30 displays the display window 12 in step 1004. Predetermined characters, numbers, and symbols to be displayed on the screen can be displayed normally so that they can be displayed and checked in a normal state.

In the next step 1006, it is determined whether a call signal is received by the mobile communication terminal or a predetermined control key of the keyboard 14 for the terminal is operated, and when the call signal is received or a predetermined control key is operated, the microcomputer 90, in operation 1008, operates according to a user's operation to enable a telephone call. In the next step 1010, it is determined whether the telephone call is completed, and if the telephone call is not completed as a result of the determination, the method returns to the step 1008 and continues to make the telephone call according to the user's operation.

In this state, when the telephone call is completed, the microcomputer 90 determines whether a predetermined control key of the MP3 / car audio keyboard 13 is operated in step 1012, and the predetermined control key is operated. In this case, the microcomputer 90 makes it possible to operate the MP3 and listen to the reproduction signal of the memory pack 16 in accordance with the signal of the control key in step 1014.

When the main body 10 of the mobile communication terminal is mounted on the front opening / closing member 32 of the car audio main body 30 as a result of the determination in step 1002, the microcomputer 90 displays the display window (step 1016). 12) rotates a predetermined letter, number, symbol, etc. by 90 degrees so that the display and the user can confirm normally.

In the next step 1018, it is determined whether the power key of the terminal keyboard 14 is operated, and the power of the car audio main body 30 is toggled on and off in step 1020 according to the operation of the power key. In the next step 1022, it is determined whether the power of the car audio main body 30 is on, and if it is not in the on state, the call signal is received from the mobile communication terminal or the keyboard 14 for the terminal is performed. When a predetermined control key is operated, a telephone call can be made, and when a telephone call is not made, an MP3 can be operated and a playback signal of the memory pack 16 can be listened to according to the operation of the control key. .

When the car audio main body 30 is turned on as a result of the determination in step 1022, the microcomputer 90 receives a call signal to the mobile communication terminal in step 1024 or the keyboard 14 for the terminal. It is determined whether a predetermined control key is operated, and when a call signal is received or a predetermined control key is operated, the microcomputer 90 determines that the car audio main body 30 is connected to the mobile communication terminal unit 91 in step 1026. ) And outputs a voice signal input through the switching unit 94, and operates according to the user's operation to make a phone call hands-free. In the next step 1028, it is determined whether the telephone call is completed, and if the telephone call is not completed as a result of the determination, the method returns to the step 1026 and allows the user to continue the telephone call according to the user's operation.

When the phone call is completed in such a state, the microcomputer 90 controls the car audio body 30 according to the operation of the control key of the MP3 / audio keyboard 13 in step 1030 to control the MP3 mode, Set to AM broadcast mode, FM broadcast mode and playback mode.

When the user operates the predetermined control key of the MP3 / audio keyboard 13 in step 1032 with the operation mode of the car audio main body 30 set as described above, the microcomputer 90 performs step 1034. Control and operate the corresponding device in the operation mode according to the control key input from the, so that the car audio main body 30 can be output to listen to the audio signal output from the device.

On the other hand, in the drawing of FIG. 5, the playback medium insertion hole 31 in which the audio tape is mounted is shown as an example. In the present invention, the present invention is not limited thereto, and the present invention may be implemented by simply applying one or more of a plurality of playback media including audio tapes, MDs, CDs, and the like.

As described above, according to the present invention, a mobile communication terminal is mounted on the car audio and a control key of the car audio is provided on the mobile communication terminal, and the mobile communication terminal is provided in the state in which the mobile communication terminal is mounted on the car audio. By operating the control keys of the car audio to control the operation of the car audio, even if an intruder enters the vehicle it can be confirmed that there is no control panel of the car audio to prevent theft of the car audio in advance.

In addition, hands-free phone calls can be made using car audio, and audio signals of MP3 included in the mobile communication terminal can be simply listened to using car audio.

Claims (8)

A first step of determining whether the mobile communication terminal is mounted in the car audio body; In the first process, when the mobile communication terminal is not mounted on the car audio main body, predetermined characters, numbers, and symbols are displayed on the display window of the mobile communication terminal in a normal state, and operation of the terminal keyboard provided in the main body of the mobile communication terminal is performed. A second process of performing a telephone call according to; When the mobile communication terminal is mounted on the car audio body in the first step, predetermined characters, numbers, and symbols are rotated by 90 degrees and displayed on the display window, and the car audio main body is toggled according to the input of the power key. A third step of determining a power state of the car audio body; And When the power of the car audio main body is turned on in the third process, the control mode of the MP3 / car audio keyboard provided in the mobile communication terminal is operated to set the operation mode of the car audio main body and according to the set operation mode. Car audio control method using a mobile communication terminal, characterized in that controlled by the fourth process for controlling the operation of the car audio body. The method of claim 1, wherein the third process comprises: When the car audio is powered on, it is determined whether the call signal is received or the keyboard of the mobile communication terminal is operated. When the call signal is received or the keyboard for the terminal is operated, the voice signal of the call is output to the car audio to be hands-free. Car audio control method using a mobile communication terminal, characterized in that it comprises a step of performing a telephone call. The method of claim 1 or 2, wherein the third process comprises; When not making a phone call, the control key of the MP3 / audio keyboard is judged, and according to the operated control key, the MP3 integrated with the mobile communication terminal is operated and the audio signal of the MP3 is reproduced by the car audio. Car audio control method using a mobile communication terminal comprising the step of outputting to the main body of the. A mobile communication terminal equipped with an MP3 / car audio keyboard for controlling the operation of the car audio and capable of talking on the phone; And It consists of a car audio body which is provided integrally with the AM / FM radio and / or the playback unit of the predetermined playback medium, The car audio body, the front opening and closing member rotatably installed on the front surface and the mobile communication terminal is mounted; Opening / closing means for rotating the front opening / closing member to expose a reproducing medium insertion opening for mounting the predetermined reproducing medium to the body of the car audio; A plurality of power charging contacts configured to output power of the car audio body to the mobile communication terminal to charge the battery when the mobile communication terminal is mounted to the front opening / closing member; And A mobile communication terminal is provided with a plurality of input / output contacts for inputting / outputting a voice signal output from the mobile communication terminal and a control signal according to the operation of the MP3 / audio keyboard. Car audio control device. The method of claim 4, wherein the mobile communication terminal; Car audio control device using a mobile communication terminal, characterized in that the MP3 is provided integrally. The method of claim 4 or 5, wherein the mobile communication terminal; MP3 / keyboard for car audio for controlling the operation of the MP3 and the car audio body; A terminal keyboard for controlling an operation of the mobile communication terminal unit; A microcomputer controlling the operation of the car audio body according to the operation of the control key panel and controlling the operation of the mobile communication terminal according to the operation of the keyboard for the terminal; A memory pack that reads music files that are mounted according to a user's operation and are stored in advance under the control of the microcomputer; A DSP unit for digitally processing and outputting a music file read from the memory pack under the control of the microcomputer; An amplifier for amplifying the output signal of the DSP unit; A switching unit configured to switch the output signals of the amplifying unit and the mobile communication terminal unit under the control of the microcomputer and selectively outputting them to a car audio body; And And a horizontal / vertical display driver configured to display predetermined letters, numbers, and symbols on a display window in a normal state or rotated 90 degrees according to the control of the microcomputer. The method of claim 4, wherein the opening and closing means; A rotating shaft of the front opening / closing member; A spring installed on the rotation shaft to expose the regeneration medium insertion hole while the front opening / closing member is rotated and opened outwardly; Rotating member is provided with a pressing portion and the engaging portion is provided to be rotated downward by the elastic force of the spring; A locking pin provided on the front opening / closing member and caught by a locking portion of the rotation locking member to stop rotation of the front opening / closing member; And The control device of the car audio using a mobile communication terminal, characterized in that the pressing pin for pressing the pressing portion of the rotating locking member to be released from the locking portion and the front opening and closing member is rotated according to the user's operation. 8. The method of claim 4 or 7, wherein the reproducing medium inserting medium of the reproducing medium inserting port; Car audio control device using a mobile communication terminal, characterized in that more than one audio tape, MD and CD.