KR20070051523A - Firmware upgrade system of audio/video/navigation(avn) system for vehicle using bluetooth mobile communication terminal and the method - Google Patents

Abstract

The present invention relates to a firmware upgrade of an audio / video / navigation (AVN) system, and more particularly, to download an upgrade firmware from an AVN maker server through a Bluetooth mobile communication terminal. The present invention relates to a firmware upgrade system for a vehicle audio / video / navigation system using a Bluetooth mobile communication terminal for upgrading the firmware of the firmware and a method thereof. The present invention is a Bluetooth audio communication device of the Bluetooth mobile communication terminal when the audio / video / navigation system or a Bluetooth mobile communication terminal equipped with a Bluetooth module when the firmware upgrade request by the user occurs in the Bluetooth mobile communication terminal having a Bluetooth module New upgrade firmware stored in the firmware upgrade server by accessing a firmware upgrade server, which is a server of the vehicle audio / video / navigation system manufacturer, through a data communication between modules and a wireless internet connection between the Bluetooth mobile communication terminal and the firmware upgrade server. Download and upgrade the existing firmware with the upgrade firmware.

AVN, Firmware, Bluetooth, Mobile Terminal

Description

FIRMWARE UPGRADE SYSTEM OF AUDIO / VIDEO / NAVIGATION (AVN) SYSTEM FOR VEHICLE USING BLUETOOTH MOBILE COMMUNICATION TERMINAL AND THE METHOD}

1 is a view showing the configuration of a firmware upgrade system of a vehicle audio / video / navigation system using a Bluetooth mobile communication terminal according to the present invention

2 is a diagram schematically showing the configuration of an audio / video / navigation system according to the present invention.

3 is a flowchart illustrating a firmware upgrade method of an audio / video / navigation system according to a first embodiment of the present invention;

4 is a flowchart illustrating a firmware upgrade method of an audio / video / navigation system according to a second embodiment of the present invention.

5 is a flowchart illustrating a firmware upgrade method of an audio / video / navigation system according to a third embodiment of the present invention.

The present invention relates to a firmware upgrade of an audio / video / navigation (AVN) system, and more particularly, to download an upgrade firmware from an AVN maker server through a Bluetooth mobile communication terminal. The present invention relates to a firmware upgrade system for a vehicle audio / video / navigation system using a Bluetooth mobile communication terminal for upgrading the firmware of the firmware and a method thereof.

In general, firmware is a program for controlling hardware. Recently, electronic products provide firmware upgrades to improve customer satisfaction by providing bug fixes, adding new functions, and improved functions of existing programs.

However, in the case of car audio systems, audio / video (AV) systems and AVN systems (hereinafter collectively referred to as "AVN systems"), in order to upgrade the firmware, the system had to be disassembled and upgraded by connecting separate upgrade devices. . In addition, in order to upgrade the map data and safe driving information used in the navigation system, the AVN system itself or a portable storage device that stores the map and safe driving information can be connected to a PC to upgrade, or a compact disk for upgrading. I could upgrade through

As described above, in order to upgrade the firmware of a conventional AVN system for a vehicle, the system needs to be disassembled and upgraded through a specialized company, so that the user has to visit the specialized company one by one, which is inconvenient, and there is a problem in that time and cost are high.

Or, in order to upgrade the map data and the safe driving information of the conventional AVN system, it was necessary to connect with a computer, so it could not be upgraded in the absence of a computer.

Accordingly, an object of the present invention is to upgrade the firmware of the AVN system by downloading the upgrade firmware from the AVN maker server through the Bluetooth mobile communication terminal, and then upgrade the firmware of the vehicle audio / video / navigation system using the Bluetooth mobile communication terminal. And it provides a method.

The apparatus of the first embodiment of the present invention for achieving the above object; A firmware upgrade system for a vehicle audio / video / navigation system using a Bluetooth mobile communication terminal, comprising: a firmware upgrade server storing upgrade firmware and receiving a predetermined firmware download message and transmitting the upgrade firmware according to a Bluetooth protocol; And a Bluetooth module configured to perform a predetermined firmware upgrade message through the Bluetooth module, accesses the firmware upgrade server through a mobile communication network, transmits a firmware download message, and responds to the firmware download message. Bluetooth mobile communication terminal for downloading and transmitting through the Bluetooth module and a Bluetooth module for performing data communication according to the Bluetooth protocol, the user From when the firmware upgrade request is made is characterized by constituted by any audio / video / navigation system requests the firmware upgrade to the Bluetooth mobile terminal through the Bluetooth module, and upgrading to the upgrade firmware is received in response to the request.

Apparatus of a second embodiment of the present invention for achieving the above object; A firmware upgrade system for a vehicle audio / video / navigation system using a Bluetooth mobile communication terminal, comprising: a firmware upgrade server storing upgrade firmware and receiving a predetermined firmware download message and transmitting the upgrade firmware according to a Bluetooth protocol; And a Bluetooth module for transmitting the firmware version information request message through the Bluetooth module when a firmware upgrade request is generated by the user, and when the firmware version information is received in response to the firmware version information request message. Accesses the firmware upgrade server through the firmware transmission message, and downloads the upgrade firmware in response to the firmware download message. A Bluetooth mobile communication terminal to transmit and a Bluetooth module to perform data communication according to a Bluetooth protocol, and when firmware version information request message is received from the Bluetooth mobile communication terminal through the Bluetooth module, firmware version information is transmitted to the Bluetooth module. And an audio / video / navigation system for upgrading by downloading and upgrading the upgrade firmware.

The apparatus of the third embodiment of the present invention for achieving the above object; A firmware upgrade system for a car audio / video / navigation system using a Bluetooth mobile communication terminal, the firmware upgrade system storing a new upgrade firmware, and registering a mobile phone terminal number registered by a user and a car audio / video / navigation system purchased by the user. Saves the firmware upgrade information of the upgrade firmware, and compares the firmware upgrade information with the firmware upgrade information, and if the upgrade firmware is a higher version, a firmware upgrade guide message indicating that there is upgrade firmware to the mobile phone terminal number as a short message. When the firmware download request message is received in response to the short message, a data upgrade is performed according to a Bluetooth protocol with a firmware upgrade server for transmitting the upgrade firmware. Has a Bluetooth module, receives and displays the firmware upgrade guide message through a mobile communication network, and when an upgrade firmware download request is generated from a user in response to the firmware guide message, accesses to the firmware upgrade server through the mobile communication network. A Bluetooth mobile communication terminal for transmitting a firmware download message, downloading the upgrade firmware in response to the firmware download message, and transmitting the firmware through the Bluetooth module, and a Bluetooth module for performing data communication according to a Bluetooth protocol; It is characterized by consisting of an audio / video / navigation system for upgrading by downloading the upgrade firmware through the module.

Method of the first embodiment of the present invention for achieving the above object; A firmware upgrade method for a vehicle audio / video / navigation system using a Bluetooth mobile communication terminal in a system having a firmware upgrade server for storing upgrade firmware, a Bluetooth mobile communication terminal having a Bluetooth module, and audio / video / navigation systems. The audio / video / navigation system requests a firmware upgrade to the Bluetooth mobile communication terminal through the Bluetooth module when a firmware upgrade request is generated from a user. The Bluetooth mobile communication terminal transmits the firmware through the Bluetooth module. Receiving an upgrade message and accessing the firmware upgrade server through a mobile communication network to transmit a firmware download message; Receiving the message and transmitting the upgrade firmware, the Bluetooth mobile communication terminal downloading the upgrade firmware and transmitting the upgrade firmware to the audio / video / navigation system through the Bluetooth module, and the audio / video / navigation system Receiving the upgrade firmware is characterized by consisting of a process of upgrading.

Method of the second embodiment of the present invention for achieving the above object; A firmware upgrade method for a vehicle audio / video / navigation system using a Bluetooth mobile communication terminal in a system having a firmware upgrade server for storing upgrade firmware, a Bluetooth mobile communication terminal having a Bluetooth module, and audio / video / navigation systems. In

Transmitting, by the Bluetooth mobile communication terminal, a firmware version information request message through the Bluetooth module when a firmware upgrade request is generated by a user;

When the audio / video / navigation system receives the firmware version information request message through the Bluetooth module, transmitting firmware version information to the Bluetooth mobile communication terminal through the Bluetooth module, and wherein the Bluetooth mobile communication terminal transmits the firmware version. Receiving information, accessing the firmware upgrade server through a mobile communication network, and transmitting a firmware download message; receiving, by the firmware upgrade server, the firmware download message and transmitting the upgrade firmware to the Bluetooth mobile communication terminal; The Bluetooth mobile communication terminal downloads the upgrade firmware and transmits the upgrade firmware to the audio / video / navigation system through the Bluetooth module. It is characterized in that the navigation system consists of a process of receiving the upgrade firmware and upgrading.

Method of the third embodiment of the present invention for achieving the above object; A Bluetooth mobile communication device comprising: a firmware upgrade server storing new upgrade firmware and storing firmware upgrade information of a mobile communication terminal phone number registered by a user and a vehicle audio / video / navigation system purchased by the user, and a Bluetooth module. A firmware upgrade method for a vehicle audio / video / navigation system using a Bluetooth mobile communication terminal in a system having an audio / video / navigation system having a terminal and a Bluetooth module, wherein the firmware upgrade server is a version of the upgrade firmware. A firmware upgrade guide message indicating that there is upgrade firmware to the mobile phone terminal number if the upgrade firmware is higher than that of the user's firmware upgrade information. Transmitting the short message to the Bluetooth mobile communication terminal, and receiving and displaying the firmware upgrade guide message through the mobile communication network, and requesting the upgrade firmware download from the user in response to the display of the firmware guide message. If this occurs, accessing the firmware upgrade server through the mobile communication network to transmit a firmware download message, and the firmware upgrade server receives the firmware download request message and transmits the upgrade firmware to the Bluetooth mobile communication terminal The Bluetooth mobile communication terminal downloads the upgrade firmware and transmits the upgrade firmware to the audio / video / navigation system through the Bluetooth module. The audio / video / The navigation system is characterized in that the process of upgrading by downloading the upgrade firmware via the Bluetooth module.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be noted that in the following description, only parts necessary for understanding the operation according to the present invention will be described, and descriptions of other parts will be omitted so as not to deviate from the gist of the present invention.

The present invention provides an audio / video / navigation system including a Bluetooth module or a Bluetooth module of the Bluetooth mobile communication terminal when the firmware upgrade request is generated by a user in a Bluetooth mobile communication terminal equipped with a Bluetooth module. The new upgrade firmware stored in the firmware upgrade server by accessing a firmware upgrade server, which is a server of the vehicle audio / video / navigation system manufacturer, via a wireless internet connection between the data communication and the Bluetooth mobile communication terminal and the firmware upgrade server. Download and upgrade the existing firmware with the upgrade firmware.

In addition, in the present invention, the server, which is an audio / video / navigation system producer, registers the phone number of the Bluetooth mobile communication terminal when the audio / video / navigation system is sold, and fixes a bug in the firmware of the audio / video / navigation system and adds a function. And when the upgrade firmware having an improved function is generated, the Bluetooth mobile communication terminal transmits a short message, that is, a text message to inform the user that a new version of the upgrade firmware is present. The present invention proposes a method of downloading an audio / video / navigation system through a terminal and upgrading the audio / video / navigation system to the downloaded firmware.

Hereinafter, a configuration and method of a firmware upgrade system of an audio / video / navigation system according to the present invention will be described.

1 is a view showing the configuration of a firmware upgrade system of a vehicle audio / video / navigation system using a Bluetooth mobile communication terminal according to the present invention.

As shown in FIG. 1, the firmware upgrade system includes a vehicle AVN system 100 including a Bluetooth module 70, a Bluetooth mobile communication terminal 200, and a firmware upgrade server 300 which is a manufacturer server of the AVN system 100. It is composed.

The vehicle AVN system 100 stores firmware for controlling an audio, video and / or navigation system, and performs data communication according to a Bluetooth protocol with the Bluetooth mobile communication terminal through the Bluetooth module 70. Download the upgrade firmware via the Bluetooth mobile communication terminal 200 to upgrade the existing firmware. The vehicle AVN system 100 should register the Bluetooth mobile communication terminal 200 according to the Bluetooth protocol according to the first embodiment of the present invention.

The Bluetooth mobile communication terminal 200 has a built-in Bluetooth module, performs data communication with the audio / video / navigation system 100 through the Bluetooth module, and the firmware upgrade server 300 and the wireless Internet through a mobile communication network. By performing data communication according to a protocol, upgrade firmware is downloaded from the firmware upgrade server 300 and transmitted to the audio / video / navigation system 100. The Bluetooth mobile communication terminal 200 should register the AVN system 100 according to the Bluetooth protocol according to the first to third embodiments of the present invention, and the firmware upgrade server according to the first and second embodiments. You must know the TCP / IP address of 300.

The firmware upgrade server 300 receives and stores new upgrade firmware by an administrator. The firmware upgrade server 300 receives the firmware download request from the Bluetooth mobile communication terminal 200 and transfers the firmware to the Bluetooth mobile communication terminal through the mobile communication network. 200). The firmware upgrade server 300 has to register the phone number of the Bluetooth mobile communication terminal 200 according to the third embodiment of the present invention, using the firmware upgrade information for each phone number, specifically using the phone number It should store user's firmware version information. The firmware upgrade information is updated with version information of the upgrade firmware after transmission to the Bluetooth mobile communication terminal 200 of the new upgrade firmware.

2 is a view schematically showing the configuration of an audio / video / navigation system according to the present invention.

Referring to FIG. 2, the AVN system 100 of the present invention includes a control unit 10, a first storage unit 20, a second storage unit 30, a third storage unit 40, an input unit 50, and a display unit. It consists of 60 and the Bluetooth module 70.

The controller 10 controls the overall operation of the AVN system 100 according to the present invention.

The first storage unit 20 stores a control program including firmware for controlling hardware of the AVN system 100 according to the present invention.

The second storage unit 30 temporarily stores data generated during the execution of the control program.

The third storage unit 40 stores an upgrade firmware and a firmware upgrade program for firmware upgrading the upgrade firmware of the first storage unit 20. The firmware upgrade program may be included in the control program.

The input unit 50 includes a plurality of keys for the user to control the AVN system 100, and generates key data for the keys and outputs the generated key data to the control unit 10. In particular, the input unit 10 includes a firmware upgrade key according to the first embodiment of the present invention, and when the user inputs the upgrade key, the input unit 10 outputs upgrade key data requesting upgrade of the firmware to the controller 10. .

The display unit 60 displays the operation state, image data, map data, etc. of the AVN system 100 under the control of the controller 10, and displays firmware upgrade progress information according to the present invention.

The Bluetooth module 70 performs data communication with the Bluetooth mobile communication terminal 200 according to the Bluetooth protocol.

The controller 10 stores the upgrade firmware downloaded when the upgrade firmware is downloaded through the Bluetooth module 70 in the third storage unit 40, and when the downloading is completed, the controller 10 drives the firmware upgrade program to store the upgrade firmware. Upgrade the existing firmware stored in 20).

3 is a flowchart illustrating a firmware upgrade method of an audio / video / navigation system according to a first embodiment of the present invention. A description with reference to FIGS. 1 to 3 is as follows.

First, the control unit 10 of the AVN system 100 checks whether a firmware upgrade request by a user occurs through the input unit 50 in step 311.

When the firmware upgrade request is generated in step 311, the controller 10 connects to the Bluetooth mobile communication terminal 200 according to the Bluetooth protocol through the Bluetooth module 70 in step 313, and the current first storage unit 20 in step 315. The firmware upgrade message including the version information of the firmware stored in the) is transmitted to the Bluetooth mobile communication terminal 200.

When the firmware upgrade message is received in step 315, the Bluetooth mobile communication terminal 200 detects firmware version information included in the firmware upgrade message in step 317, and accesses the firmware upgrade server 300 to the wireless Internet through a mobile communication network. In step 319, the firmware download request message including the firmware version information is transmitted.

When the firmware download request message is received in step 319, the firmware upgrade server 300 detects firmware version information included in the firmware download request message, and compares the upgrade firmware with the upgrade firmware version stored in advance. Check if it is a higher version. As a result of the check, if it is not the higher version, the firmware upgrade server 300 includes information indicating that the firmware stored by the current AVN system 100 is the latest version in the upgrade firmware presence message (321). And transmits to the Bluetooth mobile communication terminal 200 including information indicating that the firmware of the higher version exists.

The Bluetooth mobile communication terminal 200 transmits the upgrade firmware presence message received in step 321 to the AVN system 100 in step 323 and waits for reception of the upgrade firmware. The upgrade firmware presence message may not be transmitted to the AVN system 100 in step 323 because the user can check through the Bluetooth mobile communication terminal.

The AVN system 100 receives the upgrade firmware presence message in step 323, terminates the process if there is no new upgrade firmware, and waits for the reception of the firmware if the new upgrade firmware exists.

The firmware upgrade server 300 transmits the upgrade firmware stored in advance to the Bluetooth mobile communication terminal 200 in step 325 after transmitting the upgrade firmware presence message including information indicating that there is a new upgrade firmware.

When the upgrade firmware is received in step 325 of the upgrade firmware reception standby, the Bluetooth mobile communication terminal 200 stores the upgrade firmware received in step 327 in the internal storage device and the firmware to the AVN system 100 through the Bluetooth module in step 329. Send it.

The AVN system 100 downloads the firmware from the Bluetooth mobile communication terminal 200 in step 329 and stores the firmware in the third storage unit 40. In step 331, the AVN system 100 sends the firmware download completion message to the Bluetooth mobile communication terminal 200. send. At this time, the Bluetooth mobile communication terminal 200 may send a firmware download completion message to the firmware upgrade server 300 (not shown).

When the download of the firmware is completed, the controller 10 of the AVN system 100 upgrades the existing firmware stored in the first storage unit 20 with the upgrade firmware downloaded by driving the firmware upgrade program.

4 is a flowchart illustrating a firmware upgrade method of an audio / video / navigation system according to a second embodiment of the present invention. Hereinafter, a description will be given with reference to FIGS. 1 and 2 and 4.

The Bluetooth mobile communication terminal 200 checks whether a firmware upgrade request of the AVN system 100 is generated by the user in step 411. The firmware upgrade request of the AVN system 100 by the user may be generated by a firmware upgrade key input of a keypad of the Bluetooth mobile communication terminal 200, or the AVN system 100 is displayed in a menu of the Bluetooth mobile communication terminal 200. It may also occur by selecting a Bluetooth device firmware upgrade menu comprising a. In this case, the addresses of the AVN system 100, which is a Bluetooth device to upgrade firmware, and the firmware upgrade server 300, which is a server of an AVN system manufacturer, should be registered.

When the firmware upgrade request occurs in step 411, the Bluetooth mobile communication terminal 200 accesses through the Bluetooth module 70 of the AVN system 100 through the built-in Bluetooth module in step 413, and requests firmware version information in step 415. Send a message to the AVN system 100.

When the firmware version information request message is received, the AVN system 100 reads the version information of the firmware from the first storage unit 20 in step 417 and transmits the firmware version information to the Bluetooth mobile communication terminal 200.

Upon receiving the firmware version information, the Bluetooth mobile communication terminal 200 accesses the firmware upgrade server 300 to the wireless Internet through the mobile communication network in step 419, and the same operation as the operations of steps 319 to 331 of FIG. The upgraded firmware is upgraded to the upgraded firmware by downloading the upgraded firmware by performing the operations of steps 443 through 433.

5 is a flowchart illustrating a firmware upgrade method of an audio / video / navigation system according to a third embodiment of the present invention. Hereinafter, a description will be given with reference to FIGS. 1 and 2 and 5.

According to the third embodiment of the present invention, the firmware upgrade server, which is a manufacturer server of the AVN system 100, is mainly used to perform firmware upgrade. As described above, when the AVN system 100 is sold, the Bluetooth mobile communication terminal 200 The phone number must be registered, and firmware upgrade information such as the firmware version information of the AVN system 100 and the last upgrade date, a user name, and an AVN system device number must be managed.

The firmware upgrade server 300 checks whether the upgrade firmware occurs in step 511. The generation of the upgrade firmware occurs when new upgrade firmware is stored by an administrator.

When the upgrade firmware is generated in step 511, the firmware upgrade server 300 compares the version information of the upgrade firmware with the stored firmware upgrade information for each phone number to the AVN system 100 having lower version firmware in step 512. And a firmware upgrade short message, that is, a text message indicating that there is an upgrade firmware to upgrade to the Bluetooth mobile communication terminal 200 having the filtered phone number.

When the firmware upgrade text message is received, the Bluetooth mobile communication terminal 200 displays the text message on a display unit (not shown) in step 513 and checks whether download of the upgrade firmware is selected.

When the download of the upgrade firmware is selected in step 513, the Bluetooth mobile communication terminal 200 connects to the firmware upgrade server 300 through the wireless Internet in step 515, and connects to the AVN system 100 according to the Bluetooth protocol in step 517. .

When the Bluetooth mobile communication terminal 200 is connected to both the AVN system 100 and the firmware upgrade server, the Bluetooth mobile communication terminal 200 transmits a firmware download request message to the firmware upgrade server 300 in step 519.

The firmware upgrade server 300 receives the firmware download request message in step 519 and transmits the upgrade firmware to the Bluetooth mobile communication terminal 200 in step 521.

The Bluetooth mobile communication terminal 200 receives the upgrade firmware in step 521 and stores the upgrade firmware in the internal memory in step 523, and transmits it to the AVN system 100 in step 525.

In step 525, the AVN system 100 downloads the upgrade firmware. When the download is completed, the AVN system 100 transmits a firmware download completion message to the Bluetooth mobile communication terminal 200 in step 527. After transmitting the firmware download complete message, the AVN system 100 upgrades the firmware stored in the first storage unit 20 to the upgraded firmware using the downloaded upgraded firmware.

Then, the Bluetooth mobile communication terminal 200 transmits the firmware download completion message to the firmware upgrade server 300 in step 529.

The firmware upgrade server 300 receiving the firmware download message updates firmware upgrade information for the phone number of the Bluetooth mobile communication terminal 200.

Meanwhile, in the detailed description of the present invention, specific embodiments have been described, but various modifications are possible without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined not only by the scope of the following claims, but also by the equivalents of the claims.

As described above, the present invention has the advantage that the user can use the AVN system having the latest functions anytime and anywhere since the firmware can be upgraded anytime and anywhere using the Bluetooth mobile communication terminal.

Claims (16)

In the firmware upgrade system of a car audio / video / navigation system using a Bluetooth mobile communication terminal, A firmware upgrade server storing upgrade firmware and receiving a predetermined firmware download message and transmitting the upgrade firmware; A Bluetooth module for performing data communication according to a Bluetooth protocol, and when a predetermined firmware upgrade message is received through the Bluetooth module, accesses the firmware upgrade server through a mobile communication network, transmits a firmware download message, and transmits the firmware download message. A Bluetooth mobile communication terminal which downloads the upgrade firmware and transmits the upgrade firmware through the Bluetooth module; A Bluetooth module for performing data communication according to a Bluetooth protocol, and when a firmware upgrade request is generated from a user, requests a firmware upgrade to the Bluetooth mobile communication terminal through the Bluetooth module, and receives the upgrade firmware in response to the request. Firmware upgrade system for a car audio / video / navigation system using a Bluetooth mobile communication terminal, characterized in that consisting of an audio / video / navigation system upgraded to. The method of claim 1, A firmware upgrade system for a vehicle audio / video / navigation system using a Bluetooth mobile communication terminal, characterized in that the firmware upgrade message further includes firmware version information of the audio / video / navigation system. The method of claim 2, Firmware of the vehicle audio / video / navigation system using the Bluetooth mobile communication terminal, wherein the firmware upgrade server transmits the upgrade firmware when the firmware version information is compared with the firmware version information and the version information of the firmware to be upgraded. Upgrade system. The method of claim 3, Car audio using a Bluetooth mobile communication terminal characterized in that the firmware upgrade server transmits the firmware version information of the vehicle audio / video / navigation system and the comparison of the version information of the upgrade firmware to the vehicle audio / video / navigation system Upgrade system for video / navigation systems. In the firmware upgrade system of a car audio / video / navigation system using a Bluetooth mobile communication terminal, A firmware upgrade server storing upgrade firmware and receiving a predetermined firmware download message and transmitting the upgrade firmware; A Bluetooth module for performing data communication according to the Bluetooth protocol, and if a firmware upgrade request by a user occurs, transmits a firmware version information request message through the Bluetooth module, and firmware version information in response to the firmware version information request message. And a Bluetooth mobile communication terminal which accesses the firmware upgrade server through a mobile communication network, transmits a firmware download message, downloads the upgrade firmware in response to the firmware download message, and transmits the firmware through the Bluetooth module. And a Bluetooth module for performing data communication according to the Bluetooth protocol. When a firmware version information request message is received from the Bluetooth mobile communication terminal through the Bluetooth module, firmware version information is transmitted to the Bluetooth module, and the upgrade firmware is downloaded. A firmware upgrade system for a vehicle audio / video / navigation system using a Bluetooth mobile communication terminal, characterized in that the audio / video / navigation system is loaded and upgraded. The method of claim 5, Firmware of the vehicle audio / video / navigation system using the Bluetooth mobile communication terminal, wherein the firmware upgrade server transmits the upgrade firmware when the firmware version information is compared with the firmware version information and the version information of the firmware to be upgraded. Upgrade system. The method of claim 6, Car audio using a Bluetooth mobile communication terminal characterized in that the firmware upgrade server transmits the firmware version information of the vehicle audio / video / navigation system and the comparison of the version information of the upgrade firmware to the vehicle audio / video / navigation system Upgrade system for video / navigation systems. In the firmware upgrade system of a car audio / video / navigation system using a Bluetooth mobile communication terminal, Stores the new upgrade firmware, and stores the mobile phone terminal number registered by the user and the firmware upgrade information of the vehicle audio / video / navigation system purchased by the user, and the version information of the upgrade firmware and the firmware upgrade information In comparison, when the upgraded firmware is a higher version, a firmware upgrade guide message indicating that there is upgraded firmware is transmitted to the mobile phone terminal number in a short message. When the firmware download request message is received in response to the short message, the upgrade firmware is transmitted. To send a firmware upgrade server, And a Bluetooth module for performing data communication according to a Bluetooth protocol, receiving and displaying the firmware upgrade guide message through a mobile communication network, and when the upgrade firmware download request is generated from a user in response to the firmware guide message, the mobile communication network is connected. A Bluetooth mobile communication terminal for accessing the firmware upgrade server to transmit a firmware download message, and downloading and upgrading the upgrade firmware in response to the firmware download message; In-vehicle audio / vehicle using a Bluetooth mobile communication terminal having a Bluetooth module for performing data communication according to the Bluetooth protocol, and comprising an audio / video / navigation system for downloading and upgrading the upgrade firmware through the Bluetooth module. Firmware upgrade system for video / navigation system. Firmware of a vehicle audio / video / navigation system using a Bluetooth mobile communication terminal in a firmware upgrade system including a firmware upgrade server for storing upgrade firmware, a Bluetooth mobile communication terminal having a Bluetooth module, and audio / video / navigation systems. In the upgrade method, When the audio / video / navigation system generates a firmware upgrade request from a user, requesting a firmware upgrade to the Bluetooth mobile communication terminal through the Bluetooth module; The Bluetooth mobile communication terminal receiving the firmware upgrade message through the Bluetooth module and accessing the firmware upgrade server through a mobile communication network to transmit a firmware download message; Receiving, by the firmware upgrade server, a firmware download message and transmitting the upgrade firmware; The Bluetooth mobile communication terminal downloading the upgrade firmware and transmitting the upgrade firmware to the audio / video / navigation system through the Bluetooth module; And the audio / video / navigation system receives the upgrade firmware and upgrades the upgrade firmware. The method of claim 9, And the firmware upgrade message further includes firmware version information of the audio / video / navigation system. The method of claim 10, And when the firmware upgrade server compares the firmware version information with version information of the firmware to be upgraded and transmits the upgrade firmware when the firmware upgrade server is a higher version. The method of claim 11, And the firmware upgrade server transmits a result of comparing the firmware version information of the vehicle audio / video / navigation system and the version information of the upgrade firmware to the vehicle audio / video / navigation system. A firmware upgrade method for a vehicle audio / video / navigation system using a Bluetooth mobile communication terminal in a system including a firmware upgrade server for storing upgrade firmware, a Bluetooth mobile communication terminal having a Bluetooth module, and audio / video / navigation systems. In Transmitting, by the Bluetooth mobile communication terminal, a firmware version information request message through the Bluetooth module when a firmware upgrade request is generated by a user; Transmitting, by the audio / video / navigation system, firmware version information request message through the Bluetooth module to the Bluetooth mobile communication terminal through the Bluetooth module; Transmitting, by the Bluetooth mobile communication terminal, a firmware download message by accessing the firmware upgrade server through a mobile communication network when the firmware version information is received; Receiving, by the firmware upgrade server, the firmware download message and transmitting the upgrade firmware to the Bluetooth mobile communication terminal; A Bluetooth mobile communication terminal that the Bluetooth mobile communication terminal downloads the upgrade firmware and transmits the upgrade firmware to the audio / video / navigation system through the Bluetooth module; And the audio / video / navigation system receives the upgrade firmware and upgrades the upgrade firmware. The method of claim 13, And when the firmware upgrade server compares the firmware version information with version information of the firmware to be upgraded and transmits the upgrade firmware when the firmware upgrade server is a higher version. The method of claim 14, And the firmware upgrade server transmits a result of comparing the firmware version information of the vehicle audio / video / navigation system and the version information of the upgrade firmware to the vehicle audio / video / navigation system. A Bluetooth mobile communication device comprising: a firmware upgrade server storing new upgrade firmware and storing firmware upgrade information of a mobile communication terminal phone number registered by a user and a vehicle audio / video / navigation system purchased by the user, and a Bluetooth module. A firmware upgrade method for a vehicle audio / video / navigation system using a Bluetooth mobile communication terminal in a system having a terminal and an audio / video / navigation system including a Bluetooth module, The firmware upgrade server compares the version information of the upgrade firmware and the firmware upgrade information of the user, and if the upgrade firmware is a higher version, a firmware upgrade guide message indicating that there is upgrade firmware to the mobile phone terminal number in a short message. Transmitting to a Bluetooth mobile communication terminal; The Bluetooth mobile communication terminal receives and displays the firmware upgrade guide message through a mobile communication network, and when an upgrade firmware download request is generated from a user in response to the display of the firmware guide message, accesses to the firmware upgrade server through the mobile communication network. Sending a firmware download message to the Receiving, by the firmware upgrade server, the firmware download request message and transmitting the upgrade firmware to the Bluetooth mobile communication terminal; Downloading, by the Bluetooth mobile communication terminal, the upgrade firmware and transmitting it to an audio / video / navigation system through the Bluetooth module; And the audio / video / navigation system downloads and upgrades the upgrade firmware through the Bluetooth module.

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