KR20050082152A - Method for controlling wireless terminal using external memory - Google Patents

Abstract

The present invention provides a method of controlling a mobile terminal through an external memory, the process of applying power to the mobile terminal when the external memory is inserted when the power of the mobile terminal is turned off, and when the power is applied, the inserted external memory Detecting a pre-registered ID and, if the ID is detected, the step of booting the mobile terminal. Therefore, according to the present invention, by controlling the function of the portable terminal according to the insertion and withdrawal of the external memory, the external memory can be used for various purposes according to the user's setting in addition to the data storage.

Description

METHOD FOR CONTROLLING WIRELESS TERMINAL USING EXTERNAL MEMORY}

The present invention relates to an external memory of a portable terminal, and more particularly, to a method of controlling a function of the portable terminal through the external memory.

Portable terminals have become commonplace among the general public due to rapid spread, and accordingly, portable terminals having a complex concept in which various functions are added to satisfy consumer needs in addition to simple call functions are being developed. In addition, supply chains for diverse and dynamic contents are becoming visible due to the opening of wireless networks, the rapid evolution of wireless networks, and the expansion of high-end terminals. It is a topic.

In response to the demand for such a large-capacity content, the portable terminal has recently used an external memory capable of drawing in and out in addition to the internal memory. However, the external memory is currently used only for data storage as a spare memory.

Accordingly, an object of the present invention is to provide a method of controlling a function of the portable terminal through an external memory.

In order to achieve the above object, the present invention provides a method of controlling a mobile terminal through an external memory, the process of applying power to the mobile terminal when the external memory is inserted in a state where the power of the mobile terminal is turned off, The method may include detecting a pre-registered ID in the inserted external memory when booted, and booting the portable terminal when the ID is detected.

Preferably, the method of controlling the mobile terminal through the external memory further includes the step of requesting input of a preset password if the registered ID is not detected, and booting the mobile terminal if the preset password is input. It is characterized by including.

More preferably, the method for controlling the mobile terminal through the external memory further comprises the step of turning off the power of the mobile terminal if the password is not input.

In another aspect, the present invention provides a method for controlling a mobile terminal through an external memory, after the external memory is inserted into the mobile terminal, if there is a predetermined key input, the process of checking whether the use restriction function of the mobile terminal is set, and the use Checking whether the external memory is a pre-registered external memory if the restriction function is set; canceling the set use restriction function and performing a corresponding function according to the predetermined key input if the external memory is a pre-registered external memory. Characterized by including the process.

Preferably, the method for controlling the mobile terminal through the external memory may further include a step of informing that the corresponding function cannot be performed according to the predetermined key input when the external memory is withdrawn.

More preferably, the method for controlling the mobile terminal through the external memory is a process of requesting a predetermined password input if the external memory is not a registered external memory, and if the password is input corresponding to the predetermined key input It further comprises the process of performing a function.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, detailed descriptions of well-known functions and configurations that may unnecessarily obscure the subject matter of the present invention will be omitted.

1 is a diagram illustrating a configuration of a portable terminal according to an embodiment of the present invention, which illustrates a configuration of a portable terminal including a camera.

The illustrated mobile terminal includes an RF unit 123, a data processor 120, an audio processor 125, and a key input unit 127. And a controller 110, an internal memory 130, an external memory 135, a camera unit 140, an image processor 150, and a display unit 160.

The RF unit 123 is an RF transmitter (not shown) for up-converting and amplifying a frequency of a transmitted signal to perform a wireless communication function of a portable terminal, and an RF receiver for low-noise amplifying and down-converting a received signal ( Not shown).

The data processor 120 includes a transmitter (not shown) for encoding and modulating the transmitted signal, and a receiver (not shown) for demodulating and decoding the received signal. That is, the data processor 123 may be configured of a modem and a codec, and the codec includes a data codec for processing packet data and an audio codec for processing audio signals such as voice.

The audio processor 125 reproduces a received audio signal output from the audio codec of the data processor 120 or transmits a transmission audio signal generated from the microphone to the audio codec of the data processor 120.

The key input unit 127 includes keys for inputting numeric and character information and function keys for setting various functions. The function keys include a menu key, a call key, a shooting key, a confirmation key, a message shortcut key, and a call button key in addition to the keys for inputting the numeric and text information.

The memory of a mobile terminal according to an embodiment of the present invention is composed of an internal memory 130 and an external memory 135. The internal memory 130 may be built in the portable terminal and configured as a program memory and a data memory. The program memory may store programs for controlling a general operation of the portable terminal and programs for controlling a function of the portable terminal according to the introduction of an external memory according to an embodiment of the present invention. The data memory also temporarily stores data generated during the execution of the programs.

The external memory 135 may be inserted into or extracted from the portable terminal, and may store various data such as MP 3 music data, image data, and photo album. When the external memory 135 is inserted into the portable terminal, the user of the portable terminal may use data stored in the external memory 135, and may store certain data in the external memory 135.

In addition, the external memory 135 may include a pre-registered ID according to an embodiment of the present invention, the ID can be set by the user. That is, the user may register the identification number of the external memory 135 inserted when the external memory 135 is initially used, or may set and register a specific ID value by the user.

The external memory 135 may be connected to a power switch (not shown) when the portable terminal is inserted into the portable terminal to apply power to the portable terminal. In addition, the external memory 135 including a pre-registered ID may release the use restriction function of the portable terminal according to an embodiment of the present invention. The use restriction function includes a privacy protection function, a call restriction function and a reception restriction function.

The controller 110 controls the overall operation of the mobile terminal according to an embodiment of the present invention, and may include a data processor 120.

According to an embodiment of the present invention, if the portable terminal is powered on when the external memory 135 is inserted in a state in which the portable terminal is turned off, the control unit 110 registers a previously registered ID in the inserted external memory 135. Detect.

The controller 110 controls the mobile terminal to switch to the standby mode when the ID is detected.

In addition, the controller 110 checks whether the use limit function of the portable terminal is set when the portable terminal into which the external memory 135 is inserted has a predetermined key input in a standby state. The predetermined key includes a menu key, a call key, a shooting key, a confirmation key, a message shortcut key, and a call button key as well as keys for inputting numeric and text information.

If the usage restriction function is set, the controller 110 checks whether the inserted external memory 135 is a pre-registered external memory (eg, a memory having a pre-registered ID or a memory in which an identification number is registered).

If the external memory 135 is a previously registered external memory, the controller 110 releases the set use restriction function and controls the portable terminal to perform a corresponding function according to the predetermined key input.

Meanwhile, when the external memory 135 is drawn out, the controller 110 may inform the display unit 160 that the corresponding function cannot be performed according to the predetermined key input.

The camera module 140 includes a camera sensor for capturing image data, converting the photographed optical signal into an electrical signal, and a signal processor for converting the analog image signal photographed from the camera sensor into digital data. . Herein, it is assumed that the camera sensor is a CCD sensor, and the signal processor may be implemented by a digital signal processor (DSP). In addition, the camera sensor and the signal processor may be integrally implemented or may be separately implemented.

The image processor 150 performs a function of generating screen data for displaying an image signal output from the camera unit 140. The image processor 150 processes the image signal output from the camera unit 140 in units of frames, and outputs the frame image data according to the characteristics and size of the display unit 160.

In addition, the image processing unit 150 includes an image codec and performs a function of compressing the frame image data displayed on the display unit 160 in a set manner or restoring the compressed frame image data to the original frame image data. The image codec may be a JPEG codec, an MPEG4 codec, a wavelet codec, or the like. It is assumed that the image processor 150 has an On Screen Display (OSD) function, and may output on-screen display data according to a screen size displayed by the control of the controller 110.

The display unit 160 may be formed of a liquid crystal display (LCD) or the like, and outputs various display data generated by the mobile terminal under the control of the controller 110. In addition, the display unit 160 displays an image signal output from the image processor 150 on a screen, and displays user data output from the control unit 110. In this case, when the LCD is implemented using a touch screen method, the display unit 160 may operate as an input unit.

The process of controlling the functions of the portable terminal using the external memory 135 in the portable terminal will be described in detail with reference to FIGS. 2 and 3.

2 is a flowchart illustrating a process of controlling a power source according to an input and output of an external memory in a portable terminal according to an exemplary embodiment of the present invention.

1 and 2, when the external memory 135 is inserted in the power-off state (S201) (S202), the power switch (not shown) of the portable terminal is switched to supply power. (S203). This is similar to the manner in which power is applied to the portable terminal when the user inputs a power key to turn on the portable terminal.

When power is supplied to the portable terminal, the controller 110 checks whether there is an ID registered in the inserted external memory 135 (S204). The ID may be directly set by the user, and the user may register the identification number of the external memory 135 inserted as the ID when the external memory 135 is initially used.

If the ID is detected, the controller 110 boots the portable terminal and switches to the standby mode (S207).

On the other hand, if the previously registered ID is not detected in step S204, the controller 110 outputs a message requesting a password input (S205). The output of the message requesting the password input is for user confirmation, and the message may be output as a text message through the display unit 160 or as a voice message through the audio processor 125.

The controller 110 checks whether a preset password is input (S206).

If the preset password is input in step S206, the controller 110 boots the portable terminal to switch to the standby mode (S207). Here, the controller 110 may turn off the power of the portable terminal when a preset password is not input. In this case, the controller 110 may turn off the power of the mobile terminal when the input password exceeds a set number of input times (eg, three or more times).

As described above, the setting of applying the power of the portable terminal according to the introduction of the external memory 135 may be set and released in advance through the menu of the portable terminal.

3 is a flowchart illustrating a process of controlling a usage restriction function in a mobile terminal according to an embodiment of the present invention.

1 and 3, the controller 110 checks whether a portable terminal into which the external memory 135 is inserted has a predetermined key input in a standby state (S301) (S302). The predetermined key may be any one of a key, a menu key, a call key, a photographing key, a confirmation key, a message shortcut key, and a call button key for inputting numeric and text information.

When the predetermined key is input, the controller 110 checks whether the mobile terminal has a use restriction function set (S303). As described above, the use restriction function may be any one of a privacy protection function, a transmission restriction function, and a reception restriction function, which may be set in advance in response to a user's request.

If the use restriction function is not set, the controller 110 performs a corresponding function according to a predetermined key input (S308).

If the usage restriction function is set in step S303, the controller 110 registers an external memory (eg, a memory having a pre-registered ID or an identification number) in which the inserted external memory 135 is registered. Memory) (S304).

If the external memory 135 is a pre-registered external memory, the controller 110 releases the use restriction function set in the mobile terminal (S307).

The controller 110 controls the portable terminal to perform a corresponding function according to a predetermined key input (S308).

If the external memory 135 is not a registered external memory in step S304, the controller 110 outputs a message requesting a password input (S305). The output of the message requesting the password input is for user confirmation, and the message may be output as a text message through the display unit 160 or as a voice message through the audio processor 125.

The controller 110 checks whether a preset password is input (S306).

If a preset password is input in step S306, the controller 110 releases the use restriction function set in the portable terminal (S307), and controls the portable terminal to perform a corresponding function according to a predetermined key input (S308). .

In the above process, when the external memory 135 is withdrawn, the controller 110 may inform the display unit 160 that the corresponding function cannot be performed according to the predetermined key input. Subsequently, the controller 110 may reset the usage restriction function in the portable terminal when the external memory 135 is drawn out while the usage restriction function is released.

In the above description of the present invention, specific embodiments have been described, but various modifications may be made without departing from the scope of the present invention. Therefore, the scope of the present invention should not be defined by the described embodiments, but should be determined not only by the claims but also by the equivalents of the claims.

As described above, according to the present invention, the function of the portable terminal is controlled according to the insertion and withdrawal of an external memory, so that the external memory can be used for various purposes according to the user's setting in addition to data storage.

1 is a block diagram of a portable terminal according to an embodiment of the present invention.

2 is a flowchart illustrating a process of controlling a power source according to an input and an output of an external memory in a portable terminal according to an exemplary embodiment of the present invention.

3 is a flowchart illustrating a process of controlling a usage restriction function in a mobile terminal according to an embodiment of the present invention.

Claims (10)

In a method of controlling a mobile terminal through an external memory, Applying power to the portable terminal when the external memory is inserted while the portable terminal is turned off; Detecting an ID registered in the inserted external memory when the power is applied; And booting the mobile terminal when the ID is detected. The method of claim 1, And setting the portable terminal to apply power to the external memory in response to a user request. The method of claim 1, Requesting input of a preset password if the registered ID is not detected; And booting the mobile terminal when the set password is input. The method of claim 3, And if the password is not input, turning off the power of the mobile terminal. There is a method of controlling the mobile terminal through the external memory, After the external memory is inserted into the portable terminal, checking whether a usage restriction function of the portable terminal is set when a predetermined key is input; Checking whether the external memory is a pre-registered external memory if the usage restriction function is set; If the external memory is a registered external memory, releasing the set use restriction function and performing a corresponding function according to the predetermined key input. The method of claim 5, The method of claim 11, further comprising the step of notifying that the corresponding function cannot be performed according to the predetermined key input when the external memory is withdrawn. The method of claim 6, wherein the notification process And resetting the usage restriction function after notifying that the corresponding function cannot be performed according to the predetermined key input. The method of claim 5, And setting a usage restriction function of the mobile terminal in response to a user's request. The method of claim 5, The use restriction function is at least one of a privacy protection function, a transmission restriction function and a reception restriction function. The method of claim 5, Requesting input of a preset password if the external memory is not a registered external memory; And performing a corresponding function according to the predetermined key input when the password is input.