KR20060096678A - Wireless telecommunication terminal and method for automatic converting input/output mode, and charging apparatus for input/output multimedia data - Google Patents

Abstract

1. TECHNICAL FIELD OF THE INVENTION

The present invention relates to a wireless communication terminal having a plug-and-play external input / output mode automatic switching function, a method thereof, and a charging cradle having a multimedia data input / output function.

2. The technical problem to be solved by the invention

According to the present invention, as the wireless communication terminal is mounted in the charging cradle, the charging is performed through the charging terminal of the terminal, and at the same time, multimedia data is transmitted / received through a separate data communication path (eg, USB). Providing data input / output using the output unit, by detecting the charge inside the wireless communication terminal and automatically switching to the external input / output mode, thereby providing a function of the external input / output mode of the plug and play method. In order to provide a wireless communication terminal having a function of automatically switching an external input / output mode of a plug and play method, a method thereof, and a charging cradle having a multimedia data input / output function.

3. Summary of Solution to Invention

The present invention provides a wireless communication terminal comprising: communication means for transmitting / receiving a signal with an external input / output device; Storage means for storing an external input / output mode operation program for inputting / outputting multimedia data using the external input / output device; And detecting whether the multimedia data input / output function of the external input / output device is activated through the communication means according to the detection of the connection with the external input / output device. And control means for switching the operation to the external input / output mode.

4. Important uses of the invention

The present invention is used in a wireless communication terminal.

External input / output mode automatic switching, universal serial bus, sound, display information, charging cradle, wireless communication terminal

Description

Wireless telecommunications terminal having a plug-and-play external input / output mode automatic switching function and method, and a charging trough having a multimedia data input / output function for input / output multimedia data}

1 is a configuration diagram of an embodiment of a wireless communication terminal having an external input / output mode automatic switching function of a plug and play method;

2 is a flowchart illustrating a method for automatically switching an external input / output mode of a plug and play method in a wireless communication terminal according to the present invention;

3 is a diagram illustrating an embodiment of a charging cradle having a multimedia data input / output function according to the present invention.

Explanation of symbols on the main parts of the drawings

10: wireless communication terminal 11: radio transmitter and receiver

12: storage unit 13: input unit (keypad)

14: LCD (LCD) 15: USB connection

16 control unit 17 codec

18: voice output unit (speaker) 19: voice input unit (microphone)

21: plug and play sensing unit 22: USB connection

23: input / output signal switching unit 24: microphone

25: speaker 26: external speaker / microphone port

27: volume control button

The present invention relates to a wireless communication terminal having a plug-and-play external input / output mode automatic switching function and a method thereof, and a charging cradle having a multimedia data input / output function. As it is installed in the terminal, charging is performed through the charging terminal of the terminal and at the same time, multimedia data is transmitted / received through a separate data communication path (eg, USB) to input / output data using the input / output unit of the charging cradle. Plug and play external input to provide a plug and play external input / output mode operation function by detecting a charge in the wireless communication terminal and automatically switching to an external input / output mode at the same time. And a method and a multimedia data having a wireless / output mode automatic switching function Having an I / O function relates to the charging cradle.

In the present invention, a wireless communication terminal is a mobile communication terminal, a personal mobile communication terminal (PCS), a personal digital terminal (PDA), a smart phone, a next generation mobile communication terminal (IMT-2000), an individual portable such as a wireless LAN terminal. It refers to a terminal capable of wireless communication.

These days, wireless communication terminals provide advanced functions related to various multimedia data such as sound, images, and video. For example, an MP3 file is downloaded and output through a voice output unit (speaker) provided in the wireless communication terminal, or a video is downloaded from a content providing server and output through a display unit (LCD) and a voice output unit (speaker). The user can enjoy the desired multimedia content on the go. In addition, the downloaded multimedia data may be stored in a storage unit so that it can be re-viewed later or transmitted to another terminal or another output device.

In the case of the vehicle cradle as an example of outputting the multimedia data of the wireless communication terminal using another output device, some vehicle cradles have a simple sound output function. That is, a sound (for example, a call voice) received from the wireless communication terminal may be output using the built-in speaker. Accordingly, the user can mount the wireless communication terminal on the vehicle holder so that the user can hear a high quality sound exceeding the volume level provided by the wireless communication terminal without having to hold the wireless communication terminal while driving.

By outputting the multimedia data of the wireless communication terminal using the external output device as described above, higher quality multimedia data that exceeds the limited resources of the wireless communication terminal, that is, small screen size, small battery, low speaker volume, etc. You can appreciate it.

However, since the multimedia data output method of the wireless communication terminal using the external output device (for example, a vehicle cradle) is useful only for outputting sound, it can be used when you want to input sound using the vehicle cradle. There was no problem. That is, in the case of the vehicle cradle, there is a problem that the user cannot mount the wireless communication terminal on the vehicle cradle and input a voice for a call to the wireless communication terminal without using another device because the microphone is not built in.

In addition, the external output device according to the prior art, such as the vehicle cradle has a problem in that the data transmitted and received with the wireless communication terminal is limited to sound, and thus cannot input / output images, images, and the like.

In addition, in the case of the external output device according to the prior art, there is a problem in that the user manually switches the input / output mode using the menu key of the wireless communication terminal because the plug and play function is not supported.

The present invention has been proposed to solve the above problems, and it is possible to detect the charge using the charging terminal and at the same time check the availability of multimedia data input / output of the charging cradle (for example, whether the sound input / output function is activated) In accordance with the operation, the device automatically switches to the external input / output mode and transmits / receives multimedia data (eg, sound) to the charging cradle by using a data communication path (eg, USB) separate from the charging terminal. Plug and play to provide a plug and play external input / output mode operation function by inputting / outputting multimedia data through an attached (or connected) input / output unit (eg, a speaker / microphone). It is an object of the present invention to provide a wireless communication terminal and a method having an automatic switching of an external input / output mode of an n-play type.

In addition, the present invention receives the multimedia data (eg sound) from the wireless communication terminal through a separate data communication path (eg USB) while the multimedia data input / output function (eg sound input / output function) is activated. Outputs through an output unit (eg, a speaker) and transmits multimedia data (eg, sound) received through an input unit (eg, a microphone) to the wireless communication terminal through the data communication path. Another object of the present invention is to provide a charging cradle having a multimedia data input / output function so that the electronic device can operate in an external input / output mode of a plug and play method.

Further objects and advantages of the present invention can be understood by the following description, and will be more clearly understood by the embodiments of the present invention. Also, it will be readily appreciated that the objects and advantages of the present invention may be realized by the means and combinations thereof indicated in the claims.

An apparatus of the present invention for achieving the above object, in a wireless communication terminal, communication means for transmitting / receiving a signal with an external input / output device; Storage means for storing an external input / output mode operation program for inputting / outputting multimedia data using the external input / output device; And detecting whether the multimedia data input / output function of the external input / output device is activated through the communication means according to the detection of the connection with the external input / output device. And control means for switching the operation to the external input / output mode.

In addition, the apparatus of the present invention for achieving the above another object, in the charging cradle, the communication means for transmitting / receiving a signal with an external wireless communication terminal; A speaker for outputting sound; A microphone for receiving sound; And an input / output signal for converting a signal received through the communication means into sound and outputting it through the speaker, converting a sound input through the microphone into a signal, and transmitting the signal to the wireless communication terminal through the communication means. Converting means.

In addition, the other apparatus of the present invention further includes a display means for outputting display information, wherein the input / output signal conversion means converts a signal received through the communication means into display information to provide the display means. Perform the function to output through

On the other hand, the method of the present invention for achieving the above object, the method of automatic switching of the external input / output mode of the plug and play method in a wireless communication terminal, the sensing step of detecting the connection to the external input / output device; Confirming whether or not the multimedia data input / output function is activated by the external input / output device; And a first external input / output mode switching step of automatically switching from an existing input / output mode to an external input / output mode when the checked multimedia data input / output function is activated.

The above objects, features and advantages will become more apparent from the following detailed description taken in conjunction with the accompanying drawings, whereby those skilled in the art may easily implement the technical idea of the present invention. There will be. In addition, in describing the present invention, when it is determined that the detailed description of the known technology related to the present invention may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

In the following embodiment, the wireless communication terminal is mounted on the charging cradle (hereinafter referred to as a charging cradle) to support the plug and play method, and automatically switches to an external input / output mode as it is charged through the charging terminal. The case of inputting / outputting multimedia data through the charging cradle will be described as an example. In addition, the charging terminal of the wireless communication terminal using the charging cradle, and the multimedia data communication is a case of using a separate data communication path, that is, using a universal serial bus (USB: Universl Serial Bus), but various multimedia data The sound (eg ringtone, MP3 file, user's voice) will be described as an example.

1 is a block diagram of an embodiment of a wireless communication terminal having an external input / output mode automatic switching function of a plug and play method.

As shown in FIG. 1, a wireless communication terminal having a function of automatically switching an external input / output mode according to the present invention includes a wireless transmission / reception unit 11 for transmitting / receiving a wireless signal with an external device. A storage unit 12 for storing a sound (eg MP3 file), an external input / output mode operation program for operation in an external input / output mode, and receiving signals related to operation of various menus from a user. An input unit (keypad) 13 for display, a display unit (LCD) 14 for outputting a screen according to the control of the control unit 16, a signal from the charging cradle and a signal transmitted to the control unit 16, and the control unit 16 Receives a signal from the USB connection unit 15 for transmitting as the charging cradle, the charge terminal through the charging terminal as detected by the charging terminal through the USB connection unit 15 to check whether the sound input / output function is activated In this state, the existing sound input / output mode is automatically switched to the external input / output mode to transmit the signal received from the wireless transmitter / receiver 11 as a charging base through the USB connection unit 15 to be output to the outside. As the signal received from the charging cradle is received through the USB connection unit 15, the signal is transmitted through the wireless transmitter / receiver 11, and various sounds (eg, ringtones, alarms, MPs, etc.) previously stored in the storage unit 12. And a control unit 16 for controlling each of the components to transmit the three files) to the charging base through the USB connection unit 15 and output them to the outside. In addition, the wireless communication terminal 10 includes a codec 17, a voice output unit (speaker) 18, and a voice input unit (microphone) 19 for operation in a conventional sound input / output mode. Doing. Here, the codec 17 may be implemented in the controller 16.

At this time, in the present invention, the control unit 16 controls the overall operation of the wireless communication terminal 10, and performs the function of automatically switching the external input / output mode of the plug and play method according to the present invention. That is, as the wireless communication terminal 10 detects that the charging cradle is mounted, more precisely, as the battery of the terminal 10 is charged through the charging terminal, the USB connection unit, which is a separate data communication path in addition to the charging terminal ( 15) wireless communication from the voice input unit (microphone) 19 and the voice output unit (speaker) 18 to the input / output unit mounted on (or connected to) the charging cradle by transmitting / receiving a signal with the charging cradle. It performs a function of automatically switching the sound input / output path of the terminal 10. Here, the input / output unit of the charging cradle and a detailed description thereof will be described later with reference to FIG. 3.

Looking at the operation of the controller 16 in more detail, the controller 16 detects that the charging terminal (not shown) contacts the corresponding terminal of the charging cradle to charge the battery (not shown), that is, the charging start flag. As (flag) is set to ON, it is checked whether the sound input / output function of the charging cradle is activated through the USB connection unit 15. That is, the Audio Enable indicator of the charging cradle is checked through the USB connection unit 15.

As a result of checking whether the sound input / output function of the charging cradle is activated, when the sound input / output function of the charging cradle is not activated, it operates in the existing input / output mode. That is, the sound is output through the voice output unit (speaker) 18 using the existing sound input / output path, and the sound is input through the voice input unit (microphone) 19.

On the other hand, as a result of checking whether the sound input / output function of the charging cradle is activated, the sound input / output mode is automatically switched from the existing input / output mode to the external input / output mode in the activated state. That is, instead of outputting various sounds such as a ringtone, an alarm, an FM radio, an MP3 file, a user's voice for a call, and the like through the voice output unit (speaker) 18, instead of the output unit mounted on the charging cradle. It transmits to the USB connection unit 15 to output, and controls to receive the user's voice or the like for a call from the input unit of the charging cradle rather than the voice input unit (microphone) 19 (the input unit of the charging cradle) The sound input through is received through the USB connection). At this time, only the final input / output unit of the sound is switched from the voice output unit (speaker) 18 and the voice input unit (microphone) 19 to the input / output unit of the charging base, and performing all the control and operation related to the sound. The control unit 16 performs.

Subsequently, the controller 16 receives an external input / output mode release request signal through the input unit (keypad) 13, or the wireless communication terminal 10 is detached from the charging cradle as the existing input / output mode. Switch operation to input / output mode.

The automatic switching to the external input / output mode performed by the controller 16 is implemented as a menu of a wireless communication terminal, so that a setting request signal for the automatic input / output mode switching function from the user, that is, the normal OFF It is preferably performed in response to receiving a setup request signal from ON to ON. For example, when the sound input / output mode automatic switching function is set to ON, the wireless input terminal 10 automatically switches to the external input / output mode according to the sensing of the charge, and the wireless communication terminal 10 As it is detached from, it can be automatically converted to the existing input / output mode.

The storage unit 12 stores an operation program and a system program of the control unit 16, and the operation program and the system program are stored in a normal ROM area and can be erased as necessary. The storage unit 12 also includes a RAM for temporarily storing data generated during execution of various operation programs. In addition, the storage unit 12 stores an external input / output mode operation program for an external input / output mode operation of the plug and play method according to the present invention. In addition, the storage unit 12 stores various sounds such as a ringtone, an alarm, and an MP3 file.

The input unit 13 includes a plurality of numeric keys (letter keys), menu keys, and function keys for performing various functions, and outputs key data to the controller 16 according to external operations. In addition, the input unit 13 is used to receive a sound input / output mode automatic conversion request signal and an external input / output mode release request signal.

The display unit 14 is a display device such as a liquid crystal display (LCD) and the like, and displays the state of the wireless communication terminal, the progress of the program, and the like under the control of the controller 16. That is, the overall state of the wireless communication terminal and the contents received are displayed.

The USB connection unit 15 is fastened to the USB connection unit 22 of the charging cradle to transmit / receive various signals. That is, it transmits / receives sound and other signals necessary for transmitting / receiving sound (for example, a signal for checking whether the sound input / output function of the charging cradle is activated).

2 is a flowchart illustrating a method of automatically switching an external input / output mode of a plug and play method in a wireless communication terminal according to the present invention. At this time, the sound input / output mode automatic switching function is set to ON according to a request from the user.

First, the controller 16 detects that the battery of the wireless communication terminal 10 is charged through the charging terminal 201, that is, the sound of the charging cradle as the charging start flag is set to ON. A signal for checking whether the input / output function is activated is transmitted through the USB connection unit 15 to check the audio enable indicator of the charging cradle (202).

As a result of checking whether the sound input / output function of the charging cradle is activated (202), if it is not activated, the general operation in the existing input / output mode is performed (206). That is, the signal received through the wireless transmission and reception unit 11 is transmitted to the codec (CODEC) 17 to be output through the voice output unit (speaker) 18, and input through the voice input unit (microphone) 19 The converted signal for the received sound is transmitted from the codec 17 through the wireless transmitter / receiver 11. In addition, a sound such as a ringtone, an MP3 file, and the like previously stored in the storage unit 12 is output through the voice output unit (speaker) 18.

Meanwhile, as a result of checking whether the sound input / output function of the charging cradle is activated (202), when activated, it automatically switches to the external input / output mode (204). That is, the sound input / output mode is automatically switched from the existing input / output mode using the voice output unit (speaker) 18 and the voice input unit (microphone) 19 to the external input / output mode using the input / output unit of the charging cradle. do. As such, when the charging is detected, the sound input / output function of the charging cradle is automatically checked and the sound input / output mode is switched to the external input / output mode when the charging stage is activated. Input / output mode automatic switching function can be provided.

Here, the operation of the control unit 16 in the external input / output mode will be described in more detail. For example, an alarm is transmitted through the USB connection unit 15 as a charging cradle to be output through the output of the charging cradle. In response to receiving a voice of the other party from the wireless transmitter / receiver 11 when performing a call function, the controller may be controlled to be transmitted to the outside through the USB connection unit 15 as the charging base. In addition, the sound received through the input unit of the charging cradle, for example, the voice of the user during the call through the USB connection unit 15 can be controlled to be transmitted through the wireless transmission and reception unit (11).

Subsequently, the controller 16 receives an external input / output mode release request signal through the input unit (keypad) 13, or changes the external input / output mode as the wireless communication terminal 10 is detached from the charging cradle. Operation is switched to the input / output mode (205).

3 is a diagram illustrating an embodiment of a charging cradle having a multimedia data input / output function according to the present invention.

As shown in FIG. 3, the charging cradle having the multimedia data input / output function according to the present invention is connected to the USB connection unit 15 of the wireless communication terminal 10 and is connected to a USB connection unit for transmitting / receiving various signals ( 22), the plug and play sensing unit 21 and the microphone 24 for outputting a notification signal for the activation state in response to receiving a signal for checking whether the sound input / output function is activated from the wireless communication terminal 10; Converts the sound received through the signal to the wireless communication terminal 10 through the USB connection unit 22, and converts the signal received from the wireless communication terminal 10 through the USB connection unit 22 to sound An input / output signal converter 23 for outputting through the speaker 25, a microphone 24 for receiving sound (eg, a user's voice) from the outside, a speaker 25 for outputting sound to the outside, Outside External speaker / microphone port 26 for connecting the speaker / microphone, volume control button 27 is included. In addition, the LED output for outputting a variety of information (power setting, speaker / microphone activation state, volume size, charging level, etc.) through the power connection and charging unit for charging the wireless communication terminal 10, and the LED (light emitting diode) The controller includes a speaker amplifier for amplifying and delivering the sound to the speaker 25. 1 and 2, the microphone 24 is referred to as an input of the charging cradle and the speaker 25 is referred to as an output of the charging cradle.

Here, the microphone 24 and the speaker 25 may be replaced with an external high performance high power microphone / speaker connected through the external speaker / microphone port 26, respectively.

In addition, the USB connection unit 22 is coupled to the USB connection unit 15 of the wireless communication terminal 10 to provide a data transmission / reception function through USB. That is, the signal received from the wireless communication terminal 10 is transmitted to the input / output signal converter 23 so as to convert the sound, and receives the signal through the input / output signal converter 23 and wireless communication Transmit to terminal 10. The USB connection unit 22 is a data communication path separate from charging, so that multimedia data such as sound can be transmitted / received with the wireless communication terminal 10.

The input / output signal converter 23 refers to an I / F unit that converts a signal transmitted / received with the wireless communication terminal 10. Here, looking at the operation of the input / output signal conversion unit 23 in more detail, the signal received from the wireless communication terminal 10 through the USB connection unit 22, for example, sound, for example, ringtone, alarm, FM radio, The MP3 file and the human voice are converted to the speaker 25, and the sound received through the microphone 24 is converted into a signal and transmitted to the wireless communication terminal 10 through the USB connection unit 22.

And, the charging cradle is provided with a volume control button 27 to adjust the volume level of the speaker 25.

On the other hand, in the above described the case of transmitting and receiving a sound-related signal between the wireless communication terminal 10 and the charging cradle as an example, screen information related to the image, video, sound output (for example, MP3 file In case of playing, various display information such as equalizer, lyrics, etc. may be further output through the charging cradle. That is, a separate display device (for example, a liquid crystal display device) is provided on the charging cradle, and if necessary, the USB connector 22 is replaced with a separate connector to display (LCD) 14 of the wireless communication terminal 10. The charging cradle is received through the USB connection unit 22 (or a separate connector unit replaced with the USB connection unit), and output through the display device.

In addition to the multimedia data by using the data communication path of the wireless communication terminal 10 and the charging cradle, the charging cradle may store information related to the charging of the wireless communication terminal 10 (eg, charging level) or volume information. 10) may be implemented to output through the LED output control unit. At this time, in the case of volume information, the volume level of the charging cradle and the wireless communication terminal 10 is synchronized.

On the other hand, the external input / output mode automatic conversion function according to the present invention is charged through the charging terminal of the wireless communication terminal 10, at the same time using a separate data communication path (e.g. universal serial bus), such as sound Send / receive various data. However, when charging and data transmission / reception are performed at the same time, the battery charging of the wireless communication terminal 10 may not be performed quickly. Therefore, the priority for the charging and the operation in the external input / output mode may be prioritized. It is desirable to implement so that the user of 10). That is, it is preferable to implement the priority of the two functions through the input unit (keypad) 13 of the wireless communication terminal 10.

In addition, the wireless communication terminal 10 is set to the vibration mode (also called "silent mode"), and the plug-and-play mode of the external input / output mode automatic switching function is set to ON. Since the communication terminal 10 is mounted on the charging cradle, the sound input / output mode is switched to the external input / output mode from the existing input / output mode.

In addition, in the above detailed description, when the charging terminal of the wireless communication terminal and the corresponding terminal of the charging cradle are fastened to each other and the wireless communication terminal detects that charging starts, the wireless communication terminal is switched to the external input / output mode. Is detected as being connected to an external input / output device other than the charging cradle, and thus the application may be performed by inputting / outputting multimedia data using the external input / output device. In addition, when the wireless communication terminal 10 detects that the USB connection unit 22 of the charging cradle and the USB connection unit 15 of the wireless communication terminal 10 are fastened in a situation where charging is not performed, the charging cradle is automatically charged. It is obvious that the sound input / output function may be implemented to switch to the external input / output mode by checking whether to activate the sound input / output function.

The present invention described above is capable of various substitutions, modifications, and changes without departing from the technical spirit of the present invention for those skilled in the art to which the present invention pertains. It is not limited by the drawings.

The present invention as described above, when the wireless communication terminal is mounted on the charging cradle to detect that it is being charged through the charging terminal automatically switches to the operation of the external input / output mode through the charging cradle various multimedia data By enabling input / output, there is an effect of being able to receive a higher quality multimedia data input / output function than a wireless communication terminal in a plug and play manner.

That is, the present invention improves the user's satisfaction by inputting / outputting a ringtone, an alarm, an MP3 file, a voice during a call, and the like using a high performance charging cradle input / output device, compared to a wireless communication terminal. Detects the charging and automatically switches to the external input / output mode to improve user convenience.

Accordingly, there is an effect of making it easier to recognize a ringtone, an alarm, an incoming call, etc., which may not be recognized due to limited resources (eg, a low volume speaker) of the wireless communication terminal. .

Claims (17)

In a wireless communication terminal, Communication means for transmitting / receiving a signal with an external input / output device; Storage means for storing an external input / output mode operation program for inputting / outputting multimedia data using the external input / output device; And Upon detecting the connection with the external input / output device, the communication unit checks whether the multimedia data input / output function is activated through the communication means, and automatically activates the external input / output mode in the existing input / output mode. Control means for switching operation to input / output mode Wireless communication terminal having a plug and play external input / output mode automatic switching function comprising a. The method of claim 1, The control means, Upon detecting the connection with the external input / output device, the external input / output device is automatically activated in the existing input / output mode according to the activated state by checking whether the sound input / output function of the external input / output device is activated through the communication means. Wireless communication terminal having a function of automatically switching the external input / output mode of the plug and play method, characterized in that the operation / output mode switching. The method according to claim 1 or 2, The external input / output device, A wireless communication terminal having a plug and play type of external input / output mode automatic switching function, characterized in that the charging cradle. The method of claim 3, wherein The control means, When the charging terminal and the corresponding terminal of the charging cradle is connected to sense that the charging is started, the plug-and-play type external operation of switching from the existing input / output mode to the external input / output mode using the charging cradle Wireless communication terminal with automatic input / output mode switching function. The method of claim 3, wherein The control means, A wireless communication terminal having a function of automatically switching an external input / output mode of a plug and play method, characterized in that it further performs an external input / output mode switching function for any one or more of information related to charging and volume information. The method of claim 3, wherein The control means, When the external I / O mode release request signal is input or detached from the charging cradle, the external I / O mode is automatically switched to the existing I / O mode according to the external plug / play method. Wireless communication terminal with automatic input / output mode switching function. The method of claim 3, wherein The control means, A wireless communication terminal having a function of automatically switching an external input / output mode of a plug and play method, characterized in that various types of control are performed according to a setting for a priority of charging and an external input / output mode operation. The method according to claim 1 or 2, The control means, When the input / output mode automatic switching function is set to ON, the external input / output mode of the plug and play method is automatically switched from the existing input / output mode to the external input / output mode. Wireless communication terminal having a function. In the method of automatically switching the external input / output mode of a plug and play method in a wireless communication terminal, A sensing step of detecting connection with the external input / output device; Confirming whether or not the multimedia data input / output function is activated by the external input / output device; And A first external input / output mode switching step of automatically switching from an existing input / output mode to an external input / output mode when the checked multimedia data input / output function is activated; Plug and play external input / output mode automatic switching method in a wireless communication terminal comprising a. The method of claim 9, The checking step, Check whether the sound input / output function of the external input / output device is activated; The first external input / output mode switching step, A method of automatically switching an external input / output mode of a plug and play method in a wireless communication terminal, characterized by converting an existing input / output mode for sound into an external input / output mode. The method according to claim 9 or 10, The external input / output device, Plug and play external input / output mode automatic switching method in a wireless communication terminal characterized in that the charging cradle. The method of claim 11, The detecting step, Plug and play external input / output mode automatic switching method in the wireless communication terminal characterized in that it detects the charging. The method of claim 11, A second external input / output mode switching step of converting the existing input / output mode for any one or more of charging related information and volume information into an external input / output mode; Plug and play external input / output mode automatic switching method in a wireless communication terminal further comprising. The method of claim 11, An external input / output mode releasing step of releasing the external input / output mode according to an input of an external input / output mode release request signal or when the wireless communication terminal is detached from the charging cradle; Plug and play external input / output mode automatic switching method in a wireless communication terminal further comprising. The method according to claim 9 or 10, The first external input / output mode switching step, When the input / output mode automatic switching function is set to ON, the external input / output of the plug-and-play type in the wireless communication terminal is characterized by switching the operation from the existing input / output mode to the external input / output mode. How to switch output mode automatically. In the charging cradle, Communication means for transmitting / receiving a signal with an external wireless communication terminal; A speaker for outputting sound; A microphone for receiving sound; And I / O signal conversion for converting the signal received through the communication means to sound and output through the speaker, converting the sound received through the microphone to a signal and transmitting to the wireless communication terminal through the communication means Way Charging cradle having a multimedia data input / output function including a. The method of claim 16, Further comprising display means for outputting display information, The input / output signal conversion means, The charging cradle having a multimedia data input / output function, characterized in that for converting the signal received through the communication means to the display information and output through the display means.

Images