KR101260767B1 - Mobile Communication System - Google Patents

Abstract

The present invention relates to a mobile communication system using a multifunctional adapter to improve the convenience of a user using a mobile terminal in different types of networks. To this end, the present invention is a connector provided on one side of the portable terminal for transmitting and receiving power signals and data from any external device, the adapter and the adapter connected between the external devices applied to different types of networks, and And a controller for generating at least one control signal for receiving or transmitting a signal in a predetermined path according to at least one identification signal in association with the connector and the adapter, thereby using the mobile terminal in different types of networks. User convenience can be improved.

Connector, adapter, identification signal

Description

Mobile communication system {MOBILE COMMUNICATION SYSTEM}

1 is a block diagram illustrating a mobile communication system according to a first embodiment of the present invention.

2 is a diagram illustrating a pin mapping assignment table for a connector of a mobile terminal according to the present invention.

3 is a view showing the structure of an adapter applied to the mobile terminal according to the present invention.

4A to 4D are diagrams illustrating pin mapping assignment tables of an adapter applied to a mobile terminal according to the present invention.

DESCRIPTION OF REFERENCE NUMERALS

100: mobile terminal 110: transceiver

120: input unit 130: memory

140: control unit 150: display unit

160: socket portion 170: adapter

171: first interface unit 172: second interface unit

173: third interface unit

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable terminal, and more particularly, to a portable terminal using a multifunctional adapter to improve convenience of a user using the portable terminal in different types of networks.

In general, a mobile communication terminal can communicate within a service area formed by a base station (BS) while instantly making a wireless call and wireless connection with the other party anytime, anywhere through switching control of a mobile switching center (MSC). Device.

The mobile communication terminal has a receptacle for a data communication interface with an external device such as a computer or a digital camera, and a socket for interfacing with a peripheral device such as an earphone or a speaker on the outer surface of the mobile communication terminal.

The data communication between the mobile communication terminal and an external device is performed by data communication between an internal or external memory in the external device and a universal serial bus (USB) or universal asynchronous receiver / transmitter (UART) of the mobile communication terminal.

When the earphone / microphone is connected to the mobile communication terminal, the earphone / microphone may be inserted into a connector of the mobile communication terminal to input a voice signal to the mobile communication terminal or to output a voice signal from the mobile communication terminal. have.

In addition, the remote controller of the mobile communication terminal is connected to the middle of the cable of the earphone / microphone connected to the mobile communication terminal to control the call key of the mobile communication terminal, the function key of the MP3 player, etc., so that the user can operate the mobile communication terminal. Can be controlled remotely

According to the mobile communication terminal, since the components constituting the data signal receptacle and the voice signal socket occupy a considerable area on the outer surface of the mobile communication terminal and also occupy a large area inside the mobile communication terminal, Various methods have been proposed to solve the difficulties.

However, the mobile communication terminal according to the prior art easily connects external devices used in different types of networks because communication methods and communication standards for data signal receptacles and audio signal sockets for connecting external devices are different depending on regions or countries. There was a problem that it is not compatible.

Accordingly, an object of the present invention is to provide an adapter for transmitting and receiving power signals and data from external devices applied to different types of networks, so that the data input / output function and the charging function can be performed through the provided adapter. It is to provide a portable terminal using a multi-function adapter to enhance the convenience of users of the portable terminal in different types of networks.

In order to achieve the above object, a portable terminal using the multifunction adapter according to the present invention includes a connector provided on one surface of the portable terminal for transmitting and receiving power signals and data from any external device; An adapter connected between the connector and external devices applied to different types of networks; And a controller configured to generate at least one control signal for receiving or transmitting a signal in a predetermined path according to at least one identification signal in association with the connector and the adapter.

Other objects and features of the present invention will become apparent from the following description of embodiments with reference to the accompanying drawings.

Hereinafter, by providing an adapter for transmitting and receiving a power signal and data from external devices applied to different types of networks, the data input and output functions and charging functions can be performed through the provided adapter, An embodiment of a mobile terminal using a multifunction adapter to improve convenience of a user using a mobile terminal in a network will be described with reference to the accompanying drawings. The adapter capable of performing the data input / output function and the charging function described in the embodiments of the present invention may be applied to all portable terminals including a mobile phone, a personal digital assistant (PDA), a notebook, a portable multimedia player (PMP), and the like. . Here, the data includes at least one of an outgoing signal, an incoming signal, a control signal, a file, text data, universal serial bus (USB) data, universal asynchronous receiver / transmitter (UART) data, and multimedia data.

In this case, one connector provided in the portable terminal is a connector to which existing earphones that perform data input / output functions are configured. In the embodiment of the present invention, the connector is not limited to 18 pins. It is desirable to have more than the minimum number of pins to perform all.

1 is a block diagram illustrating a mobile communication system according to a first embodiment of the present invention.

As shown in FIG. 1, a mobile terminal using a multifunction adapter according to an embodiment of the present invention includes a transceiver 110; An input unit 140; A display unit 150; A socket part, a jack, or a connector 160 provided on one surface of the portable terminal to transmit and receive power signals and data from any external device; An adapter 170 connected between the connector and external devices applied to different types of networks; A control unit (130) interoperating with the connector and the adapter to generate at least one control signal for receiving or transmitting a signal along a predetermined path according to at least one identification signal; And a memory 120 for storing information for the connector of the connector and an external device connected to the connector, that is, a pin mapping assignment table. Here, the different types of networks may be different communication schemes (eg, Global System for Mobile communication (GSM) or Code Division Multiple Access (CDMA), etc.) or communication standards according to regions or countries. And a pin mapping assignment table for connecting the connector and the arbitrary external devices.

A pin mapping assignment table for the connector 160 included in the mobile terminal 100 according to the present invention configured as described above and the connector unit of the external device connected to the connector 160 will be described with reference to FIG. 2.

2 is a diagram illustrating a pin mapping assignment table for a connector of a mobile terminal according to the present invention.

As shown in Figure 2, the pin mapping assignment table for the connector of the portable terminal according to the present invention is a pin 1 to 18 pin charging, data communication, digital hands-free, TV out, USB or UART data communication, etc. The interface function is assigned. Here, the 18-pin connector is not all 18 pins are used when any external device is connected, only the necessary pins according to the connected external device can be used.

The connector 160 using the pin mapping assignment table may be provided in any area of the portable terminal so as to be connected to a connector of at least one external device among the external devices performing data input / output functions and charging functions. In particular, it is most preferable to be provided at the left and right sides of the upper, lower, left, and right sides of the display unit 150 of the mobile terminal 100.

The structure of the adapter 170 applied to the portable terminal 100 according to the present invention for connecting external devices applied to different types of networks to the connector 160 will be described with reference to FIG. 3.

3 is a view showing the structure of an adapter applied to a mobile terminal according to the present invention.

As shown in FIG. 3, an adapter applied to a portable terminal according to the present invention includes: a first interface unit 171 connected to a connector provided in a portable terminal used in a first network; A second interface unit 172 connected to a connector unit of an external device applied to the first network; It may include a third interface unit 173 connected to the connector unit of the external device applied to the second network.

The adapter 170 applied to the portable terminal 100 may include a separate charging IC (Integrated Circuit) for converting the USB power supplied through the USB into battery power of the portable terminal 100 and the portable terminal 100. At least one LED (Light Emitting Diode) indicating the state of charge of the battery may be provided.

For example, the adapter 170 comprises 18 pins of the first interface unit 171 of the adapter 170 connecting to the connector 160 to use a charger having a 24-pin communication standard. The second interface unit 172 of the adapter 170 connecting the connector unit of the earphone to which the pin communication standard is applied is 18 pins, and the adapter 170 of the adapter unit connecting the connector unit of the charger to which the 24-pin standard is applied is made. 3 interface unit 173 can be configured with 24 pins, respectively.

Connector units of external devices that perform data input / output functions and charging functions may be connected to the adapter 170, respectively. The pin mapping assignment table of the adapter 170 may be differently configured according to different types of external devices. This will be described with reference to 4A to 4D.

4A to 4D are diagrams illustrating pin mapping assignment tables of an adapter applied to a portable terminal according to the present invention.

4A to 4B, a pin mapping assignment table for connecting an external device performing a data input / output function and an external device performing a charging function to an adapter applied to a portable terminal according to the present invention. Here, in the pin mapping assignment table for performing the data input / output function, EAR_MIC (2) is an audio signal input through a microphone, and EAR_L (4), EAR_R (5) is an audio signal output to the left and right of the earphone. REM_INT (6) interrupts the remote control, REM_ADC (7) the remote control to the ADC (Analog Digital Converter) method, and EAR_SENSE (8) identifies the signal indicating that the device that performs the data input / output function is connected. (9,10) is the charging function, TV_OUT (11) is assigned for the TV out function and in the pin mapping assignment table for performing the charging function, BATT_ID (3) identifies that the device performing the charging function is connected. It can be seen that the signal, VPWR 9, 10 can be assigned for the charging function.

The adapter 170 connects both the VPWRs 9 and 10 of the first interface unit 171, the VPWRs 9 and 10 of the second interface unit 172 and the VPWR of the third interface unit 173. The remote controller power supply of the earphone may be provided through the battery and the charger of the portable terminal 100. For this reason, the earphone may include a regulator therein to maintain the input voltage at 2.8 V, which is a reference voltage of REM_INT (6) and REM_ADC (7), as necessary.

In addition, the portable terminal 100 may generate a REM_INT signal from the remote controller of the earphone even when the power is turned off, so that the REM_INT signal is not input to the controller 130 when the power is turned off. A circuit can be provided.

As shown in FIGS. 4C to 4D, a pin mapping assignment table for connecting devices performing different data input / output functions to an adapter applied to a mobile terminal according to the present invention. Here, in the pin mapping assignment table for performing the first data input / output function, EAR_MIC (2) outputs an audio signal input through a microphone, and EAR_L (4) and EAR_R (5) output audio to left and right sides of the earphone. The signal REM_INT (6) interrupts the remote control, REM_ADC (7) the remote control the ADC (Analog Digital Converter) method, and EAR_SENSE (8) indicates the identification signal indicating that the device that performs the data input / output function is connected. VPWR (9, 10) is charged for the TV_OUT (11), the TV_OUT (11) is assigned for the TV out function, USB_D + (12) in the pin mapping assignment table for performing the second data input and output functions, The USB_D-130 receives the USB data, the VEXT 14 receives the data input / output function, in particular, an identification signal indicating that a device for performing USB or UART data communication is connected, and the USB_POWER 7 performs the USB data communication. Know that the device is connected It can be seen that the battery can be assigned an identification signal or USB charging, TXD 16 can transmit UART data, and RXD 17 can be allocated for receiving UART communication data.

Therefore, the technical scope of the present invention should not be limited to the contents described in the detailed description of the specification but should be defined by the claims.

As described in detail above, the mobile communication system according to the present invention includes an adapter for transmitting and receiving power signals and data from external devices applied to different types of networks, thereby providing a data input / output function through the provided adapter and Since the charging function can be performed, the convenience of the user using the mobile terminal in different types of networks can be improved.

Claims (8)

A connector formed on one surface of the portable terminal to transmit and receive power signals and data with an external device; An adapter having an interface to be connected to external devices applied to different types of networks, the adapter being configured to electrically connect the connector with the external devices and the external devices; And A control unit for generating at least one control signal for receiving or transmitting a signal along a predetermined path according to at least one identification signal in association with the connector and the adapter; The connector includes pins to which interface functions are assigned by a pin mapping assignment table preset so that pins required for an external device connected to the adapter are selectively used. And the interface unit receives the interface function corresponding to at least two or more external devices by the pin mapping assignment table so as to selectively connect different types of external devices to one interface unit. The method of claim 1, The different types of networks include different communication schemes or communication standards according to regions or countries. 3. The method of claim 2, The communication schemes include Global System for Mobile Communication (GSM) or Code Division Multiple Access (CDMA). 3. The method of claim 2, The communication standards include a pin mapping assignment table for connecting the connector and any external devices. The method of claim 1, The adapter may include a first interface unit connected to a connector of a mobile terminal used in a first network, a second interface unit connected to a connector unit of an external device applied to the first network, and an external unit applied to a second network. And a third interface connected to the connector of the device. 6. The method of claim 5, And the adapter connects all the pins assigned for powering the first, second and third interface units. The method of claim 1, And the identification signal is a signal generated from at least one pin of a connector to which the external devices are connected in order to identify the different types of external devices. The method of claim 1, The mobile terminal is any one of a mobile phone, a personal digital assistant (PDA), a notebook computer, and a portable multimedia player (PMP).

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