KR20040099636A - Mobile terminal having multi-function type keyboard device - Google Patents

Abstract

PURPOSE: A mobile terminal having a multifunction key pad unit is provided to perform a wireless transmission/reception function and remotely control an electronic equipment through a key pad separated from a terminal body. CONSTITUTION: A keypad includes a plurality of key buttons for inputting a key for voice call communication and data communication and a key for multifunction. A speaker(24), a microphone(26), an earphone port(28) input/output a voice transmission/reception signal according to voice call communication by a wireless transmission/reception operation with a terminal body(10). A wireless transmission/reception port(30) transmits/receives a voice call communication signal, a key input data signal and various wireless data signal by wireless data communication with a wireless transmission/reception port(18) of the terminal body(10). An external input/output port(32) is connected to an electronic equipment to transmit and receive various data. An extended memory port(34) receives an extended memory card for storing data wirelessly received from the terminal body(10).

Description

MOBILE TERMINAL HAVING MULTI-FUNCTION TYPE KEYBOARD DEVICE}

The present invention relates to a mobile communication terminal having a multi-function keypad device, and more particularly, by separating the keypad configuration of the mobile communication terminal into a separate device, to enable the multi-function implementation of the keypad and to increase the size of the display unit of the terminal body. A mobile communication terminal having a multi-function keypad device.

As is well known, the mobile communication terminal is a user portable device for performing a wireless voice call and a wireless data service in a mobile communication network system, which is rapidly progressing in the high performance and miniaturization of the terminal according to the development of wireless access technology and semiconductor technology. It is a situation.

Such a mobile communication terminal has a wireless modem device for transmitting and receiving wireless communication signals by establishing a communication channel with a mobile communication network, a keypad for inputting letters and numbers for a mobile phone number and a text message, and a mobile phone number for a voice call. Display unit with a thin liquid crystal display device to visually display the input status of the text message, the input and reception status of text messages, and the execution status of various functions applied to the terminal, the speaker for voice output according to the voice call, the microphone for voice input, etc. It consists of.

In the mobile communication terminal having the above-described configuration, since the keypad is integrally attached to the main body of the terminal, the size of the terminal has to be limited by the size of the keypad which must be maintained in a size suitable for the user's key input operation radius. Recently, the display unit of the large screen is required according to the development trend of the wireless Internet service or the multimedia communication service, but there is a problem that it acts as a big obstacle to increasing the size of the liquid crystal display screen due to a certain area occupied by the key buttons of the keypad on the terminal.

Accordingly, the present invention has been made in view of the above-described conventional situation, and an object thereof is to separate a keypad of a mobile communication terminal from a terminal body separately so that a key input operation can be performed through wireless transmission and reception of a key input signal. It is to provide a mobile communication terminal equipped with a device.

Another object of the present invention is to provide a mobile communication terminal having a multi-function keypad device for performing a wireless handset function through a keypad separated from the main body of the mobile communication terminal.

It is still another object of the present invention to provide a mobile communication terminal having a multi-function keypad device for performing a remote control function for other electronic devices through a keypad separated from the main body of the mobile communication terminal.

It is still another object of the present invention to provide a mobile communication terminal having a multi-function keypad device capable of storing related data by receiving an expandable storage medium through a keypad separated from the main body of the mobile communication terminal.

1 is a view showing the appearance of a mobile communication terminal having a multifunction keypad device according to the present invention;

2 is a view showing the internal configuration of the mobile communication terminal main body shown in FIG.

3 is a view showing the internal configuration of the multi-function keypad device shown in FIG.

4 is a flowchart illustrating an operation of a mobile communication terminal having a multi-function keypad device according to the present invention.

<Description of the symbols for the main parts of the drawings>

10: terminal body, 12: display unit,

14: Screen control button, 16: antenna,

18,30: wireless transmit / receive port, 20: wireless keypad device,

22: keypad, 24: speakers,

26: microphone, 28: earphone port,

32: external input / output port, 34: expansion memory port,

40: wireless modem module, 42: display drive module,

44: memory module, 46: control module,

48: voice input / output processing module, 50, 62: voice signal modulation and demodulation unit,

52, 64: data modulation and demodulation section, 54, 60: data transmission and reception section.

In order to achieve the above object, according to the present invention, a mobile communication terminal main body for performing a voice call and a wireless data communication by a wireless connection with a mobile communication network, and separate from the terminal main body of the voice call and wireless data communication The present invention provides a mobile communication terminal having a multi-function keypad device comprising a keypad device having a plurality of key buttons for inputting a performance command.

Preferably, the main body of the mobile communication terminal includes a wireless modem module for processing a wireless communication signal through a mobile communication network, display means for displaying a mobile communication function and a function operation state of the keypad device, and a key input command from the keypad device. A control module for controlling voice calls and wireless data communications according to the present invention, a voice input / output processing module for processing voice transmission / reception signals according to voice calls, and short-range communication for data transmission and reception with the keypad device Characterized in that it comprises a near field communication means.

More preferably, the keypad device includes a keypad for performing a key input for voice call and wireless data communication with respect to the mobile communication terminal body, control means for generating a kit value data signal according to the key input of the keypad, and the movement. Short-range communication means for performing short-range communication for data transmission and reception with the communication terminal body, characterized in that configured to include.

In addition, the short-range communication means is characterized in that the wireless communication means for the wireless communication between the mobile terminal and the keypad device.

Hereinafter, the present invention configured as described above will be described in detail with reference to the accompanying drawings.

That is, Figure 1 is a view showing the appearance of a mobile communication terminal having a multi-function keypad device according to the present invention.

As shown in FIG. 1, a mobile communication terminal having a multi-function keypad device according to the present invention includes a terminal body 10 and a keypad device 20 separately configured from the terminal body 10.

The terminal body 10 includes a display unit 12, a screen control button 14, an antenna 16, and a wireless transmission / reception port 18. The display unit 12 has a keypad separate from the corresponding main body. Since the keypad device 20 is configured, the size of the display screen can be greatly increased.

Each of the screen control buttons 14 is for adjusting the brightness and contrast of the display unit 12. The screen control button 14 includes a screen control setting button 14a and a screen control up / down button 14b.

The wireless transmission / reception port 18 is installed at a predetermined position outside the terminal body 10 and performs wireless data transmission / reception with the keypad device 20 configured separately from the main body. Infrared signal transmission port for the Bluetooth or Bluetooth (Bluetooth) is preferably made of a Bluetooth transmission and reception port is applied.

The keypad device 20 includes a keypad 22, a speaker 24, a microphone 26, an earphone port 28, a wireless transmission / reception port 30, an external input / output port 32, and an expansion memory port 34. It is composed.

The keypad 22 uses a plurality of key buttons for a voice call and data communication function for a mobile communication terminal and a separate multi-function key input in a corresponding keypad device 20 separately configured from the terminal body 10. It is equipped with a dial key button 22a for performing numerical input for a mobile phone number and Korean / English input for a text message, and various functions provided in a mobile communication terminal (that is, a self-setting function of a mobile communication terminal). And a terminal function key button 22b for inputting and setting a wireless Internet access function, a mobile phone number registration function, a memo function, a text / voice message input / lookup function, etc., and a function other than the function possessed by the corresponding mobile communication terminal. The setting mode according to the function (i.e. wireless remote control function of various electronic devices, remote start function of vehicle, data storage function to expansion memory card, etc.) Is configured as a toggle mode setting key button (22c), the first up / down key button (22d) and the second up / down key button (22e) for the adjustment and operation of the extra features to.

The speaker 24, the microphone 26, and the earphone port 28 are installed in the keypad device 20, and transmit / receive a voice transmission / reception signal according to a voice call by a wireless transmission / reception operation with the terminal body 10. It is for input / output.

The wireless transmission / reception port 30 is for transmitting and receiving a voice call signal, a key input data signal, and various wireless data signals by wireless data communication with the wireless transmission / reception port 18 of the terminal body 100.

The external input / output port 32 is connected to an external personal computer terminal or an electronic device having a computing function through a wired data cable to transmit and receive various data, and the expansion memory port 34 is the terminal body. It is for inserting and using an expansion memory card for separately storing data received wirelessly from (10).

Here, the internal configuration of the terminal main body 10 is, as shown in Figure 2, the wireless modem module 40, the display drive module 42, memory module 44, control module 46, voice input / The output processing module 48, the audio signal modulation and demodulation section 50, the data modulation and demodulation section 52, and the data transmission / reception section 54 are provided.

The wireless modem module 40 performs intermediate frequency processing and frequency band conversion of a high frequency signal received through a receiving antenna, and performs intermediate frequency conversion and high frequency conversion of voice and data signals to be transmitted, and In addition to performing digital conversion for reception and analog conversion for transmission, protocol processing is performed.

The display driving module 42 has a display driving capability corresponding to an increased size of the display screen of the display unit 12, the display items according to the key input operation of the keypad device 20, and through the mobile communication network The display unit 12 performs driving to display the display items applied according to a voice call or data communication with the other party's receiver.

The memory module 44 stores an operation program for operating a functional operation of the corresponding mobile communication terminal and key code data for recognizing a key value of a key input signal transmitted from the keypad device 20.

The control module 46 is to perform overall control processing for voice call and data communication with the other party's receiver by wireless communication through the wireless modem module 40, which is a function of the keypad device 20. Receives a user's key input command through a key button wirelessly, performs call connection and data communication for voice call and data communication, and transmits / receives a voice transmission / reception signal according to a voice call to the keypad device 20. And control for data storage to an expansion memory card mounted in the keypad device 20.

The voice input / output processing module 48 receives a voice of a user input through the microphone 26 of the keypad device 20 according to a signal processing for a voice call with the control module 46. In addition, voice processing for outputting a voice signal received from the other party wirelessly received through the speaker 24 and the earphone port 28 of the keypad device 20 is performed.

The voice signal modulation / demodulation unit 50 modulates a sign language voice signal processed through the voice input / output processing module 48 so as to be transmitted wirelessly, and receives the signal through the wireless transmission / reception port 18. The demodulated voice signal from the keypad device 20 is demodulated and transmitted to the voice input / output processing module 48.

The data modulation / demodulation unit 52 performs signal modulation processing to wirelessly transmit a control command from the control module 46 or various data signals to be stored in the expansion memory card, and wirelessly receives the data from the keypad device 20. The key input signal and various data signals to be demodulated are processed.

The data transmission / reception unit 54 performs amplification processing for wirelessly transmitting the modulation signals from the voice signal modulation / demodulation unit 50 and the data modulation / demodulation unit 52 through the wireless transmission / reception port 18, and performs the wireless transmission / reception port. The modulated signal received through 18 is filtered and amplified.

In addition, as shown in FIG. 3, the keypad device 20 includes a wireless transmission / reception port 30, a data transmission / reception unit 60, a voice signal modulation / demodulation unit 62, a data modulation / demodulation unit 64, and a controller 66. It is composed of

The wireless transmission / reception port 30 is installed at a predetermined position outside the corresponding keypad device 20, and performs a transmission / reception operation for wireless data communication with the wireless transmission / reception port 18 of the terminal body 10.

The data transmission / reception unit 60 performs an amplification process for wirelessly transmitting the modulation signals from the voice signal modulation / demodulation unit 62 and the data modulation / demodulation unit 64 through the wireless transmission / reception port 30, and the wireless transmission / reception port. The modulated signal received through 30 is filtered and amplified.

The voice signal modulation / demodulation unit 62 performs signal demodulation processing to enable playback of a sign language audio signal from the terminal body 10 received through the data transmission / reception unit 60 through a speaker 24, and the microphone. Signal-modulated voice signal inputted from (26) is signal-modulated.

The data modulation / demodulator 64 modulates a key input signal or various data signals according to a key input of the keypad 22, and various kinds of data to be stored in a control command or an extended memory card wirelessly received from the terminal body 10. Signal demodulation processing is performed.

The controller 66 performs control communication with the control module 46 of the terminal body 10 by wireless data transmission / reception to control a function operation for voice call and data communication, and the terminal body 10. Control processing for storing the data signal received from the expansion memory card mounted in the expansion memory port 34 is performed.

Here, the control unit 66 is a key code for each function that generates a different kit value for a key input command for performing various separate functions (that is, a wireless remote control function of an external electronic device, a remote start function of a vehicle) stored in the internal memory. Data is provided, and generates a kit value according to a key input for performing the multifunction of the keypad 22.

In addition, the controller 66 is connected to an external personal computer terminal or an electronic device capable of computing through an external input / output port 32 to perform a control for transmitting and receiving various data.

Next, the operation of the present invention made as described above will be described in detail with reference to the flowchart of FIG. 4.

First, when a key button provided on the keypad 22 of the keypad device 20 is operated, the controller 66 of the keypad device 20 is configured such that the key button of the keypad 22 is a mobile telephone of the mobile communication terminal. It is determined whether or not a key input operation for performing a function is performed (step S10).

As a result of the determination, if the control unit 66 of the keypad device 20 determines that the 10-key button 22a and the function key button 22b of the keypad 22 are keyed in order to perform the mobile telephone function, The key input signal of the kit value corresponding to the operation of the key button is modulated by the data modulation / demodulation unit 64 to be wirelessly transmitted to the terminal body 10 through the data transmission / reception unit 60 and the wireless transmission / reception port 30.

Accordingly, the control module 46 of the terminal body 10 receives a key input signal for the mobile phone function from the keypad device 20 and performs mobile communication of a specific mobile phone number through the wireless modem module 40. A call connection request is made to the terminal so that a voice call with the other party proceeds (step S11).

That is, the sign language voice signal from the counterpart processed by the voice input / output processing module 48 of the terminal main body 10 is signal-modulated by the voice signal modulation / demodulation unit 50 to wirelessly communicate with the data transmission / reception unit 54. When the radio is transmitted through the transmission / reception port 18, the keypad device 20 receives a sign language voice signal through the wireless transmission / reception port 30 and the data transmission / reception unit 60 to perform signal demodulation through the voice signal modulation / demodulation unit 62. The voice is output through the speaker 24.

In addition, when the voice signal transmitted from the user through the microphone 26 is signal-modulated by the voice signal modulation / demodulation unit 62 and wirelessly transmitted through the wireless transmission / reception port 30, the terminal body 10 transmits and receives wirelessly. The voice signal received through the port 18 is demodulated by the voice signal modulation / demodulation unit 50 and processed by the wireless modem module 40 through the voice signal processing by the voice input / output processing module 48. To be sent to.

On the other hand, if the control unit 66 of the keypad device 20 determines that the keypad 22 does not perform a key input for performing the mobile telephone function according to the determination result of step S10, It is determined whether the key button performs key input for performing the mobile data service (step S12).

As a result of the determination, if it is determined that a key input for performing a mobile data service such as wireless internet is made according to the key operation of the function key button 22b of the keypad 22, The data of the kit value corresponding to the key input of the function key button for execution is wirelessly transmitted to the terminal body 10, and the control module 46 of the terminal body 10 is wirelessly connected by the wireless modem module 40. An internet service or a multimedia service is performed by accessing a network or a specific multimedia communication network (step S13).

At this time, the control unit 66 is a key input for storing specific data during the Internet service or the multimedia service by the operation by the function key button 22b of the keypad 22, the main body of the terminal 10 Data received from the wireless modem module 40 is signal-modulated by the data modulation / demodulation unit 52 and wirelessly transmitted to the keypad device 20 through the wireless transmission / reception port 18, and the control unit 66 of the keypad device 20. ), The data received through the wireless transmission and reception port 30 is signal demodulated through the data modulation and demodulation unit 64 to be stored in the expansion memory card mounted in the expansion memory port 34.

On the other hand, when it is determined that the keypad 22 does not perform a key input for performing the mobile data service according to the determination result of step S12, the controller 66 performs a wireless remote control function of an external electronic device such as a television, for example. It is determined whether or not key input for performing is performed (step S14).

As a result of the determination, the control unit 66 of the keypad device 20 controls the key operation of the function mode setting key button 22c and the first and second up / down key buttons 22d and 22e of the keypad 22. Accordingly, when it is determined that the key input for remote control of the external electronic device is performed, the key data signal of the kit value corresponding to the operation of each key button is based on the key code data according to the corresponding external function mode control stored in the internal memory. Signal modulation through the modulation and demodulation unit 64 is transmitted to the corresponding electronic device through the wireless transmission and reception port 30 (step S15).

Accordingly, for example, a specific electronic device such as a television can be remotely controlled according to a function operation by a key button input of the keypad device 20 to perform a unique functional operation possessed by the electronic device.

On the other hand, if it is determined that the keypad 22 does not perform the key input for the wireless remote controller function, the controller 66 determines whether to perform the key input for the remote start function of the vehicle ( Step S16).

As a result of the determination, the controller 66 performs remote start of the vehicle according to the key operation of the function mode setting key button 22c of the keypad 22 and the first and second up / down key buttons 22d and 22e. If it is determined that the key input has been performed, the kit value data signal of the key code data for remotely starting the vehicle among the key code data according to the multifunction of the internal memory is subjected to a signal modulation process by the data modulation / demodulation unit 64 to perform a wireless transmission / reception port ( 30) to be transmitted to the predetermined vehicle (step S17).

In the present invention having the above-described embodiments, only the remote control function of the external electronic device and the remote start function of the vehicle are referred to as a multifunction that can be implemented through the wireless keypad device 20. Of course, it is possible to apply a wide range of control functions of any reproducible hardware device.

On the other hand, the present invention is not limited to the above-described typical preferred embodiments, but can be carried out in various ways without departing from the gist of the present invention, various modifications, alterations, substitutions or additions are common in the art Those who have knowledge will easily understand. If the implementation by such improvement, change, replacement or addition falls within the scope of the appended claims, the technical idea should also be regarded as belonging to the present invention.

As described above, according to the present invention, the keypad portion of the mobile communication terminal is separated to form a keypad device, and the terminal function operation and the wireless handset operation are performed by wireless data transmission and reception between the keypad device and the terminal body. In addition, as the multi-function such as remote control of an external electronic device or remote start of a vehicle can be performed, the size of the liquid crystal display screen can be increased while the keypad is separated and the terminal size is not restricted. By using a mobile terminal having good portability, additional functions can be implemented through an integrated keypad device, and thus, convenience can be provided to a user.

Claims (15)

A mobile communication terminal main body which performs voice call and wireless data communication by wireless connection with a mobile communication network; And a keypad device having a plurality of key buttons separated from the main body of the terminal and configured to key input commands for performing voice call and wireless data communication. The method of claim 1, The main body of the mobile communication terminal includes a wireless modem module for processing a wireless communication signal through a mobile communication network, display means for displaying a mobile communication function and a function operation state of the keypad device, and a voice according to a key input command from the keypad device. A control module for controlling a call and wireless data communication, a voice input / output processing module for processing a voice transmission / reception signal according to a voice call, and short-range communication for performing short-range communication for data transmission and reception with the keypad device A mobile communication terminal having a multifunction keypad device, characterized in that it comprises a means. The method of claim 1, The keypad device includes a keypad for performing a key input for voice call and wireless data communication with respect to the mobile communication terminal body, control means for generating a kit value data signal according to the key input of the keypad, and the mobile communication terminal body; A mobile communication terminal having a multi-function keypad device, characterized in that it comprises a short-range communication means for performing short-range communication for transmitting and receiving data. The method of claim 2 or 3, The short range communication means is a mobile communication terminal having a multi-function keypad device, characterized in that the wireless communication means for mutual wireless communication between the mobile terminal and the keypad device. The method of claim 4, wherein The wireless communication means of the mobile communication terminal main body includes a data conversion unit for performing signal conversion for data wireless transmission and reception with the keypad device, a data transmission and reception unit for amplifying and filtering data transmitted and received, and a wireless data signal transmission and reception. Mobile communication terminal with a multi-function keypad device, characterized in that configured to include a wireless transmission and reception port. The method of claim 5, wherein Wireless communication means of the keypad device includes a data converter for performing a signal conversion for data wireless transmission and reception with the mobile communication terminal body, a data transceiver for amplifying and filtering the data transmitted and received, and a wireless data signal transmission and reception Mobile communication terminal with a multi-function keypad device, characterized in that configured to include a wireless transmission and reception port. The method of claim 6, The keypad device is equipped with a multi-function keypad device, characterized in that it further comprises a speaker for outputting a voice sign signal according to the voice call from the mobile communication terminal body, and a microphone for inputting a voice call signal according to the voice call. Mobile terminal. The method of claim 7, wherein And a voice signal modulation / demodulation unit for demodulating and processing a voice call signal wirelessly received from the keypad device, by modulating a signal to wirelessly transmit a voice sign signal corresponding to a voice call to the keypad device. And a data modulation / demodulator for demodulating a wirelessly received key input data signal and for signal modulating a data signal to be transmitted to the keypad device. The method of claim 7, wherein The keypad device demodulates a voice sign signal wirelessly received from the mobile communication terminal main body, and modulates a voice signal modulation / demodulation unit for signal modulation to wirelessly transmit the voice call signal, and a data signal wirelessly received from the mobile communication terminal main body. In addition, a mobile communication terminal having a multi-function keypad device comprising a data modulation and demodulation unit for modulating the key input data signal. The method of claim 3, wherein The keypad of the keypad device is a mobile communication terminal having a multi-function keypad device comprising a 10-key button for mobile phone number and character input, and a terminal function key button for setting and inputting a function of the mobile communication terminal. The method of claim 3, wherein The keypad of the keypad device includes a function mode setting key button for switching a setting mode according to a separate function other than the function held by the mobile communication terminal by one-key operation, and an adjustment key button for setting and adjusting the separate function. Mobile communication terminal with a multi-function keypad device, characterized in that configured. The method of claim 11, The separate function of the keypad device is a mobile communication terminal having a multi-function keypad device, characterized in that any one of the wireless remote control function of the various electronic devices, the remote start function of the vehicle, the data storage function to the expansion memory card. The method of claim 11, The control means of the keypad device is a mobile communication terminal having a multi-function keypad device, characterized in that the key code data corresponding to the operation of the key button for remote control of a separate function. The method of claim 3, wherein The keypad device further comprises an external input / output port for performing data communication by connection with an external computing device. The method of claim 3, wherein The keypad device further comprises an expansion memory port for mounting an expansion memory card for storing data from the mobile communication terminal main body.