KR20010104972A - Control method of car audio using moving communication terminal and control apparatus thereof - Google Patents

Abstract

The disclosed car audio control method and control apparatus includes a car audio control key in the mobile communication terminal, and the car audio main body includes a mounting portion for mounting the mobile communication terminal, and mounts the mobile communication terminal in the mounting portion of the car audio main body. In one state, the control of the car audio is controlled using a control key of the mobile communication terminal.

It is determined whether the mobile communication terminal is mounted on the mounting portion of the car audio main body. When the mobile communication terminal is mounted on the mounting portion of the car audio main body, the power of the car audio main body is toggled according to the input of the power key, and the power state is determined. When the car audio is powered on, the operation mode of the control key panel is set to control the operation mode and control the operation of the corresponding device in the set operation mode. It outputs the signal to the car audio main body and makes a phone call hands-free, and when the MP3 provided in the mobile communication terminal is operated, the reproduced voice signal of the MP3 is output to the car audio main body for listening.

Description

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

The present invention is provided with an integrated MP3 in the mobile communication terminal, and integrally provided with a control key for the car audio installed in the vehicle, and the car audio is provided with a mounting portion for mounting the mobile communication terminal. Car audio is operated by using the car audio control key provided in the mobile communication terminal while outputting a phone call and MP3 playback voice signal through hands-free car audio according to the user's operation while the mobile communication terminal is mounted. The present invention relates to a control method and a control apparatus of 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, regardless of time and place, underground, air and sea Mobile communication systems that can receive communication services in the mountainous and mountainous areas are becoming an important communication medium indispensable in daily life.

Recently, a mobile communication terminal used in such a mobile communication system has an MP3 function and downloads a music file when the user does not make a phone call to the mobile communication terminal. A memory pack in which files are stored in advance is detachably mounted, and MP3s can play and listen to music files stored in the memory pack.

When talking on the phone using the mobile communication terminal while driving a vehicle, a safety accident occurs due to being disturbed by driving of the vehicle. Therefore, many vehicle drivers are equipped with a hands-free device in a vehicle, and a mobile communication terminal is attached to the hands-free device when the user rides and drives the vehicle so that the user can make a phone call without being disturbed by driving the vehicle.

On the other hand, the vehicle is equipped with 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 includes an AM / FM radio, a tape player, a CD / MD player and / or an equalizer unit, and is selectively operated according to a user's operation to selectively listen to a broadcast signal and / or a playback signal. have.

These car audios are very expensive, and intruders are often intruded and stolen by separating the car audio.

Therefore, in recent years, the control panel of the car audio is separately manufactured to be detachable from the car audio, and when the vehicle is parked, the control panel is separated from the car audio to prevent theft of 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 the control panel must be detached and carried when the vehicle is parked, which causes a lot of inconvenience and inconvenience for the driver of the vehicle. There were problems such as giving.

Accordingly, an object of the present invention is to provide a car audio body with a control key provided in a mobile communication terminal by integrally provided with a mounting portion for mounting a mobile communication terminal and a control key of the car audio in the mobile communication terminal. It is to provide a control method and a control device of car audio using a mobile communication terminal for controlling the operation of the main body.

Another object of the present invention is to provide a control method and a control device for car audio using a mobile communication terminal for outputting a phone call voice signal of a mobile communication terminal to a car audio main body so as to make a phone call hands-free.

Still another object of the present invention is to control car audio using a mobile communication terminal having a mobile communication terminal having an integrated MP3 and outputting an audio signal of the MP3 to the car audio main body when not making a phone call. To provide a method and a control device.

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

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

3 is a view showing a state in which the mounting portion of the mobile communication terminal is provided in the car audio according to the control device of the present invention,

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

5 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: control key panel

14: terminal key panel 16: memory pack

30: body of the car audio 31: CD / MD player

32: Tape player 33: AM / FM radio and equalizer

34: mounting portion 40: microcomputer

41: DSP unit 42: amplification unit

43: switching unit 44: mobile communication terminal unit

According to a control method of car audio using a mobile communication terminal of the present invention for achieving the above object, a first process of determining whether the mobile communication terminal is mounted on the mounting portion of the car audio main body; A second step of, when the mobile communication terminal is mounted on the mounting portion of the car audio main body in the first step, toggling the power of the car audio main body and determining the power state according to the input of the power key; And controlling the operation of the corresponding device in the set operation mode by operating the control key of the control key panel when the car audio main body is turned on in the second process. It features.

In addition, according to the control method of the car audio using the mobile communication terminal of the present invention, when the car audio main body is in the power-on state, the reception of the call signal or the function key of the mobile communication terminal determines whether the operation is received or moved the call signal Outputting a call voice signal to the car audio body when the function key of the communication terminal is operated, and performing a phone call according to the operation of the function key with hands-free, and control of the control key panel when not making a phone call And determining the key operation and operating the MP3 integrated in the mobile communication terminal according to the operated control key and outputting a reproduced voice signal to the car audio main body.

And according to the control device of the car audio using the mobile communication terminal of the present invention, the mobile communication terminal is provided with a control key of the car audio and can make a phone call; And a car audio body integrally provided with a CD / MD player, a tape player, an AM / FM radio and / or an equalizer unit, and a mounting unit for mounting the mobile communication terminal. The operation mode is set to a control signal output from the mobile terminal according to the signal of the control key, and the CD / MD player, tape player, AM / FM radio or equalizer is selectively operated according to the set operation mode. Characterized in that the car audio body to select and output the audio signal output from the mobile communication terminal.

The mobile communication terminal; MP3 is integrally provided, and the mobile communication terminal; A control key panel for controlling the operation of the MP3 and the car audio main body; A terminal keypad for controlling an operation of the mobile communication terminal unit; A microcomputer controlling the operation of the car audio main 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 terminal keypad; 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; And a switching unit for switching the output signals of the amplifying unit and the mobile communication terminal unit to be selectively output to the car audio main body under the control of the microcomputer.

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

1 is a view schematically showing a 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 upper front of the main body 10, and a plurality of lower portions of the display window 12 for controlling the operation of the MP3 and the car audio. The control key panel 13 having a control key of the terminal and the terminal key panel 14 having a plurality of function keys for controlling the operation of the mobile communication terminal is provided, the lower portion of the terminal key panel 14 A microphone 15 for inputting a voice signal is provided.

In addition, a memory pack mounting unit for detachably mounting a memory pack 16 into which a MP3 driving circuit is integrally built into the main body 10 and a MP3 music file is pre-stored and output on a side of the main body 10. 17 and an earphone jack 18 for outputting an analog audio signal of MP3.

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 by inputting power, and electrically connected to the main body 10 of the mobile communication terminal between the plurality of power charging contacts 21. When the main body 10 of the mobile communication terminal is mounted to a mounting portion of the car audio, which will be described later, the audio signal of the mobile communication terminal is outputted as car audio and control is generated according to the key operation of the control key panel 13. A plurality of input / output contacts 22 are provided for outputting signals to car audio.

3 is a view showing a state in which the mounting portion of the mobile communication terminal is provided in the car audio according to the control device of the present invention.

Here, reference numeral 30 denotes a main body of car audio. The main body 30 of the car audio is provided with a CD / MD player 31, a tape player 32, an AM / FM radio and an equalizer 33. And one side of the main body 30 is integrally provided with a mounting portion 34 for mounting the main body 10 of the mobile communication terminal, the inside of the mounting portion 34, the plurality of power charging of the mobile communication terminal 10 A plurality of power charging contacts 35 and input / output contacts 36 electrically connected to the contacts 21 and the plurality of input / output contacts 22 are provided.

4 is a circuit diagram of the control device of the present invention. Here, reference numeral 40 denotes a microcomputer that controls the operation of the car audio main body 20 while controlling the operation of the mobile communication terminal. The microcomputer 40 includes a control key panel 13 having a plurality of control keys for controlling the operation of the MP3 and the car audio main body 30, and for controlling the operation of the mobile communication terminal unit 30. Terminal keypad 14 having a plurality of function keys 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 40, and the music file read from the memory pack 16 is read by the microcomputer ( Digital signal processor (DSP) unit 41 for digital processing under the control of 40, amplifying unit 42 for amplifying the output signal of DSP unit 41, amplifying unit 42 and moving And a switching unit 43 for selectively outputting the output signal of the communication terminal unit 44 under the control of the microcomputer 40, and the output signal of the switching unit 43 has a plurality of input / output contacts. The input and output contacts 36 and 22 are sequentially input to the car audio main body 30.

The main body 10 of the mobile communication terminal is provided with a battery 20, the battery 20 has a plurality of power charging contacts 35 provided in the mounting portion 34, the power output from the car audio main body 30 and The power supply contacts 21 provided in the battery 20 are sequentially applied to the battery 20 to supply operating power to the entire charging and mobile communication terminal.

In the control apparatus of the present invention configured as described above, when the main body 10 of the mobile communication terminal is turned on, the microcomputer 40 first checks whether the main body 10 of the mobile communication terminal is mounted on the mounting portion 34 of the car audio. If it is not mounted on the mounting unit 34, the microcomputer 40 controls the mobile communication terminal unit 44 so that the user can make a phone call as the user operates the terminal keypad 14. do.

When the user mounts the memory pack 16 in which the predetermined music file is stored in the memory pack mounting unit 17 and operates the control key of the control key panel 13 without making a phone call, the microcomputer ( 40 controls the memory pack 16 according to a signal of a control key to read a predetermined music file, and the read predetermined music file is converted into digital processing and an analog signal by the DSP unit 41 and outputted. The analog signal of the music file output from the unit 41 is switched and selected by the switching unit 43 under the control of the microcomputer 40 and is output to the earphone jack 18. Connect and listen to the playback audio signal of MP3.

On the other hand, the power output from the car audio main body 30 is supplied to the battery 20 while the main body 10 of the mobile communication terminal is mounted on the mounting portion 34 of the car audio main body 30 to charge and mobile communication terminals. The operating power is supplied to the load of.

When the user operates the power key of the control key panel 13 of the main body 10 in this state, the microcomputer 40 outputs a power control signal to the car audio main body 30 to output the car audio main body 30. Power on and off.

As the user operates the mode key of the control key panel 13 while the car audio main body 30 is turned on, the microcomputer 40 may play an MP3 mode, a CD / MD playback mode, an AM broadcast mode, and an FM broadcast mode. Set the tape playback mode and equalizer adjustment mode sequentially.

Here, as the user operates the control key of the control key panel 13 in the MP3 mode, the microcomputer 40 controls the memory pack 16 to read a predetermined music file and read the predetermined music file. The music file is converted into digital processing and analog signals by the DSP unit 41 and output, and the analog signal of the music file output from the DSP unit 41 is input to the switching unit 43.

In this state, the microcomputer 40 controls the switching unit 43 to switch and output the output signal of the amplifying unit 42, and controls the car audio main body 30 in the MP3 mode and the switching unit. The audio signal output at 43 is selectively output.

Then, as the user selects the CD / MD play mode, AM broadcast mode, FM broadcast mode, tape play mode, and equalizer adjustment mode, the microcomputer 40 controls the car audio main body 30 to control the CD / MD play mode, AM. It operates in the broadcast mode, the FM broadcast mode, the tape play mode, and the equalizer adjustment mode, and outputs a CD / MD play signal, an AM broadcast signal, an FM broadcast signal, and a tape play signal, and adjusts an equalizer.

In this way, the user operates the function keys of the terminal key panel 14 or makes a call while operating in the MP3 mode, CD / MD playback mode, AM broadcast mode, FM broadcast mode, tape playback mode, and equalizer adjustment mode. When the user makes an incoming call and makes a phone call, the microcomputer 40 controls the switching unit 43 so that the audio signal output from the mobile communication terminal unit 44 is transferred to the car audio main body 30 through the switching unit 43. By controlling the car audio main body 30 and controlling the output signal of the switching unit 43 to be output, the user can make a phone call hands-free using car audio.

On the other hand, Figure 5 is a signal flow diagram 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 40 performs an initialization operation in step 500, and when the initialization operation is completed, the main body 10 of the mobile communication terminal in step 501. ) Is attached to the mounting portion 34 of the car audio main body 30.

If the main body 10 of the mobile communication terminal is not mounted to the mounting portion 34 of the car audio main body 30 in step 501, the microcomputer 30 calls the mobile terminal to the mobile communication terminal in step 502. Is received or a predetermined function key of the terminal key panel 14 is operated, and when a call signal is received or a predetermined function key is operated, the microcomputer 40 operates according to a user's operation to make a call. Make a call. In the next step 504, 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 503 and the telephone call can be continued according to the user's operation.

In this state, when the telephone call is completed, the microcomputer 40 determines whether the predetermined control key of the control key panel 13 is operated in step 505, and if the predetermined control key is operated, the microcomputer 40 The computer 40 makes it possible to operate the MP3 and listen to the playback signal of the memory pack 16 in accordance with the signal of the control key in step 506.

When the main body 10 of the mobile communication terminal is mounted on the mounting portion 34 of the car audio main body 30 as a result of the determination in step 501, the power key of the control key panel 13 is removed in step 507. In operation 508, the car audio main body 30 is turned on and off according to the operation of the power key.

In the next step 509, it is determined whether the power of the car audio main body 30 is on, and if the determination result is not on, the call signal is received by the mobile communication terminal or the terminal key is performed. When a predetermined function key of the panel 14 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. To help.

When the car audio main body 30 is turned on as a result of the determination in step 509, the microcomputer 40 receives a call signal from the mobile communication terminal in step 510 or the terminal key panel 14. It is determined whether a predetermined function key is operated, and when the call signal is received or a predetermined function key is operated, the microcomputer 40 determines that the car audio main body 30 is connected to the mobile communication terminal unit 44 in step 511. ) And outputs a voice signal input through the switching unit 43, and operates according to the user's operation to make a phone call hands-free. In the next step 512, 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 511 and continues the telephone call according to the user's operation.

In this state, when the telephone call is completed, the microcomputer 40 controls the car audio main body 30 according to the operation of the mode key of the control key panel 13 in step 513 to control the MP3 mode, CD / MD. Set the playback mode, AM broadcast mode, FM broadcast mode, tape playback mode, and equalizer adjustment mode.

When the user operates the predetermined control key of the control key panel 13 in step 514 while the operation mode of the car audio main body 30 is set as described above, the microcomputer 40 inputs the inputted in step 515. The control device operates and operates the corresponding device in the operation mode according to the control key, and the car audio main body 30 selects and listens to the audio signal output from the corresponding device.

As described above, according to the present invention, the car audio includes a mounting unit for mounting the mobile communication terminal, the mobile communication terminal is provided with a function key of car audio, and the mobile communication terminal is equipped with the car audio mounting unit. In this state, the car audio is controlled by operating the function key of the car audio provided in the mobile communication terminal. Even if an intruder enters the vehicle, the car audio control panel is confirmed to prevent the car audio from being stolen. You can prevent it.

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

Claims (6)

A first step of determining whether the mobile communication terminal is mounted on the mounting portion of the car audio main body; A second step of toggling the power of the car audio main body and determining a power state according to the input of the power key when the mobile communication terminal is mounted in the mounting portion of the car audio main body in the first step; And In the second process, when the power of the car audio main body is turned on, the control process of the control key panel is controlled by setting the operation mode and controlling the operation of the corresponding device in the set operation mode. Car audio control method using a mobile communication terminal. The method of claim 1, It is determined whether the reception of a call signal or a function key of a mobile communication terminal is operated when the car audio main body is turned on, and the call audio signal is used to receive a call voice signal when a call signal is received or a function key of the mobile communication terminal is operated. The control method of the car audio using a mobile communication terminal comprising the step of performing a telephone call in accordance with the operation of the function keys by hands-free output. The method according to claim 1 or 2, Judging the control key operation of the control key panel when not making a telephone call, operating the MP3 integrated in the mobile communication terminal according to the operated control key, and outputting a reproduced voice signal to the car audio main body. Car audio control method using a mobile communication terminal, characterized in that. A mobile communication terminal equipped with a control key for car audio and capable of talking on the phone; And A CD / MD player, a tape player, an AM / FM radio and / or an equalizer unit, and a mounting unit for mounting the mobile communication terminal are integrally formed of a car audio main body, The car audio main body; The operation mode is set to a control signal output from the mobile terminal according to the signal of the control key, and the CD / MD player, tape player, AM / FM radio or equalizer is selectively operated according to the set operation mode. Car audio control device using a mobile communication terminal, characterized in that consisting of a car audio body for selecting and outputting the audio signal output from the mobile communication terminal. 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; A control key panel for controlling the operation of the MP3 and the car audio main body; A terminal keypad for controlling an operation of the mobile communication terminal unit; A microcomputer controlling the operation of the car audio main 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 terminal keypad; 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; And And a switching unit for outputting the output signal of the amplifying unit and the mobile communication terminal unit to the car audio main body by switching under the control of the microcomputer.