KR20090046112A - Mobile terminal for local wireless communication and method of connecting local wireless communication terminal thereof - Google Patents

Abstract

The present invention relates to a mobile terminal for short-range wireless communication and a method for connecting the short-range wireless communication device, by which a user who connects and uses a plurality of short-range wireless communication devices to one portable terminal can easily establish or release a connection between the short-range wireless communication devices. will be. The present invention provides a short-range wireless communication terminal and its short-range that periodically searches for a plurality of paired short-range wireless communication devices located in a short distance, and connects to a short-range wireless communication device having a high connection priority among the plurality of searched short-range wireless communication devices. A method of connecting a wireless communication device is provided. The short range wireless communication device may include a headset, a mobile terminal, a printer, an M game machine, a personal computer, a notebook computer, and the like.

Near field communication, Bluetooth, Headset, Mobile terminal, Mobile communication

Description

Mobile terminal for short-range wireless communication and a method for connecting a short-range wireless communication device {mobile terminal for local wireless communication and method of connecting local wireless communication terminal}

The present invention relates to a portable terminal and a method for performing the function thereof, and more particularly, to a portable terminal for short range wireless communication and a short distance wireless communication device connecting method connected to a short range wireless communication device using short range wireless communication.

The mobile terminal market is growing very fast in a short period of time due to new technologies and functions that stimulate consumer purchases. In particular, due to the development of the technology of the mobile terminal, beyond the step of performing a simple application, various applications are installed to meet the needs of users. As a result, the user may use voice information, text information, image information, moving picture expert group (MPEG) layer 3 (MPEG), a game, and the like through the portable terminal.

In particular, recently, a portable terminal having a Bluetooth communication function has been introduced. Bluetooth is a wireless communication standard that enables communication in real time in both directions by connecting wirelessly connected communication devices within a distance of up to 100m. Communications devices can exchange data at 3 Mbps using the 2.4 GHz Industrial Scientific Medical (ISM) band without cabling.

By wirelessly connecting the headset with the portable terminal having the Bluetooth communication, it is possible to listen to the voice data provided by the portable terminal through the headset. That is, the user may make a call through the headset or listen to music played on the portable terminal through the headset.

Meanwhile, the portable terminal is in a state in which two or more headsets are paired, and the portable terminal is connected to one of the headsets. As such, when one headset is connected to another headset while connected to the mobile terminal, the connected headset must be disconnected first and then connected to another headset according to a selection signal according to a user's key input.

As such, there is a hassle that a user needs to operate a menu of the portable terminal whenever the connection setting of the headset is changed.

Accordingly, a first object of the present invention is to provide a mobile terminal for short-range wireless communication and a short-range wireless communication, in which a user who connects and uses a plurality of short-range wireless communication devices to one portable terminal can easily establish or release a connection between the short-range wireless communication devices. The present invention provides a method for connecting a communication device.

It is a second object of the present invention to provide a portable terminal for short-range wireless communication and a method for connecting a headset thereof, in which a user using two or more headsets connected to one portable terminal can easily perform handover between the headsets.

In order to achieve the above object, the present invention provides a mobile device for short-range wireless communication that establishes or releases a connection between a mobile terminal and a short-range wireless communication device based on a connection priority when a plurality of short-range wireless communication devices are connected to one mobile terminal. A terminal and a method for connecting a short range wireless communication device thereof are provided. In this case, the short range wireless communication device includes a headset, a portable terminal, a printer, an M game machine, a personal computer, a notebook computer, and the like.

The present invention provides a method for connecting a short range wireless communication device to a portable terminal using short range wireless communication. And a first connection procedure for connecting with a high-priority short range wireless communication device.

In addition, the present invention is a method of connecting a headset of a mobile terminal using short-range wireless communication, a search process for periodically searching a plurality of paired headsets located in a short distance, and the connection of the headset with a high connection priority among the plurality of the searched headsets It comprises a first connection process.

In another aspect, the present invention provides a method of connecting to a headset of a mobile terminal using short-range wireless communication, the first connection process of connecting to a paired first headset in a short distance, and periodically searching for a paired second headset in a short distance A search process, a determination process of determining a connection priority of the first headset and the second headset, and a determination priority of the second headset when the connection priority of the second headset is high, And a second connection process of disconnecting and connecting to the second headset.

In addition, the mobile terminal for short-range wireless communication according to the present invention includes a short-range wireless communication unit and a control unit. The short range wireless communication unit periodically searches for a plurality of paired headsets located in a short range. The headset is connected to a headset having a high connection priority among the found plurality of headsets.

In addition, the mobile terminal for short-range wireless communication according to the present invention includes a short-range wireless communication unit and a control unit. The short range wireless communication unit performs short range wireless communication with the paired first and second headsets. When the controller searches for a paired second headset located at a short distance after connecting with the first headset located at a short distance, the controller connects to a headset having a higher connection priority among the first and second headsets.

According to the present invention, since the connection between the mobile terminal and the short-range wireless communication device such as a headset is established or released based on the connection priority set by the user, the menu of the mobile terminal must be manipulated every time the connection setting of the headset is changed. The convenience can be improved by eliminating the problem.

Hereinafter, with reference to the accompanying drawings will be described in detail an embodiment of the present invention. Prior to the description, the headset is illustrated as a short range wireless communication device paired to the mobile terminal according to the present embodiment, but is not limited thereto. For example, a short range wireless communication device includes a portable terminal including a headset, a printer, a game machine, a personal computer, a notebook, and the like.

Handheld terminal

As illustrated in FIGS. 1 and 2, the portable terminal 10 according to the present embodiment is connected to one of the first and second headsets 20 and 30 paired through short-range wireless communication. In particular, the mobile terminal 10 is connected to the headset having the highest connection priority among the first and second headsets 20 and 30.

In this case, the mobile terminal 10 and the first and second headsets 20 and 30 are devices capable of short-range wireless communication. The mobile terminal 10 includes a mobile phone, a smart phone, a personal digital assistant (PDA), a mobile broadcast receiver such as a digital multimedia broadcasting (DMB), a portable multimedia player (PMP), an MP3 player, a compact disk (CD) player. , MD (Mini Disk) player, voice recorder, radio. The first and second headsets 20 and 30 are wireless headsets, such as mono headsets and stereo headsets. In the present embodiment, a stereo headset is illustrated as the first and second headsets 20 and 30.

The short range wireless communication method may be any one of Bluetooth, Zigbee, Infrared, Ultra WideBand, Near Field Communication, and Ruby.

The portable terminal 10 according to the present embodiment includes a control unit 11, a short range wireless communication unit 13, an input unit 15, a memory unit 17, and a display unit 19.

The controller 11 is a microprocessor for performing overall control operations of the portable terminal 10. The controller 11 controls to establish or release a connection between the portable terminal 10 and the headsets 20 and 30 based on the connection priority.

The short range wireless communication unit 13 performs short range wireless communication with a headset having a short range wireless communication unit according to a standard according to the corresponding short range wireless communication method. The short range wireless communication unit 13 performs pairing for a headset to be connected to the mobile terminal 10, and periodically searches for a paired headset located at a short distance to perform the connection.

The input unit 15 provides a plurality of keys for the operation of the portable terminal 10, and generates and transmits a selection signal according to the user's key selection to the controller 11. The user inputs the connection priority of the plurality of paired headsets including the first and second headsets 20 and 30 through the input unit 15. The input unit 15 may be a keypad, a pointing device such as a touch pad, or an input device such as a touch screen.

The memory unit 17 stores a program necessary for controlling the operation of the portable terminal 10 and data generated while the program is executed. The memory unit 17 includes one or more volatile memory devices and a nonvolatile memory device. The memory unit 17 stores registration information of the paired headset and connection priority information of the paired headset. The memory unit 17 stores an execution program for setting or releasing the connection of the headset according to the set connection priority.

The display unit 19 displays information stored in the memory unit 17 including various function menus executed in the portable terminal 10. The display unit 19 displays a headset connection priority setting screen for setting the connection priority of the paired headset. The headset connection ranking setting screen may display paired headsets in a text-based list or icon form. For example, when the information of the headsets vertically paired is displayed in the list, it indicates that the headset at the top is the highest priority headset. As the display unit 19, a liquid crystal display (LCD) or a touch screen may be used. The touch screen simultaneously serves as a display device and an input device.

In particular, the controller 11 connects the headset having a high connection priority with the portable terminal 10 among a plurality of searched headsets located at a short distance of the portable terminal 10. For example, when the mobile terminal 10 is connected to the first headset 20, and searches for the second headset 30 having a higher connection priority than the first headset 20, the controller 11 controls the first headset. The connection to the terminal 20 is released and the second headset 30 and the portable terminal 10 are connected. When the connection with the connected second headset 30 is released, the controller 11 connects the first headset 20 and the portable terminal 10. Of course, the first headset 20 is located in a short range where short-range wireless communication of the mobile terminal 10 is possible.

On the contrary, when the mobile terminal 10 is connected to the first headset 20 and searches for the second headset 30 having a lower connection priority than the first headset 20, the control unit 11 controls the first headset ( Keep the connection with 20). When the connection with the connected first headset 20 is released, the controller 11 connects the second headset 30 to the portable terminal 10. Of course, the second headset 30 is a case where the short distance wireless communication of the portable terminal 10 is located.

The mobile terminal 10 may further include an RF communication unit for transmitting and receiving a phone call and a message, a camera unit for photographing a subject, a GPS unit for receiving location information, and a mobile broadcast receiver for receiving mobile broadcast.

Therefore, since the portable terminal 10 according to the present embodiment automatically performs a handover between headsets according to the set connection priority, the user must operate the menu of the portable terminal 10 whenever the user changes the connection setting of the headset. Eliminate the hassle can improve the user's convenience.

How to connect a headset to your mobile device

A method of connecting a headset of the mobile terminal 10 according to the present embodiment will be described with reference to FIGS. 1 to 3 as follows. The configuration of the above-described portable terminal 10 will also be clearer from the following description of the headset connection method.

First, a process of pairing a headset to be connected to the mobile terminal 10 is performed in step S41. That is, in the state of activating the short-range wireless communication function of the headset to be connected to the portable terminal 10 in step S41, the portable terminal 10 receives registration information such as a registration key from the headset to register the headset.

Next, in step S43, the control unit 11 sets a connection priority of the paired plurality of headsets and stores the stored priority in the memory unit 17. That is, the user may set the connection priority of the paired headsets through the headset connection priority setting screen. As described above, the connection priority of the headset may be displayed in the form of a list or an icon, and the priority may be adjusted according to the selection signal through the input unit 15 of the user.

Meanwhile, when pairing and registering a new headset, the controller 11 sets the newly paired headset as the top or bottom priority of the connection priority.

Next, when the control unit 11 searches for a paired headset located at a short distance through the short range wireless communication unit 13 in step S45, the control unit 11 includes a headset and a mobile terminal having a high connection priority among the headsets found in step S47. 10).

Specifically, the method of connecting the headset of the mobile terminal 10 according to the present embodiment will be described with reference to FIGS. 4 and 5 as follows. 4 illustrates a method for connecting a headset when the first headset 20 has a lower connection priority than the second headset 30. FIG. 5 illustrates a headset connection method when the first headset 20 has a higher connection priority than the second headset 30. The first and second headsets 20 and 30 are headsets paired with the mobile terminal 10.

1, 2, and 4, when the mobile terminal 10 searches for a paired first headset 20 located at a short distance through short-range wireless communication (S51), the portable terminal 10 is connected to the first headset 20. Connect (S53).

When the portable terminal 10 searches for the second headset 30 having a higher connection priority than the first headset 20 while the portable terminal 10 and the first headset 20 are connected (S55). 10 disconnects the first headset 20 (S57). The mobile terminal 10 is connected to the second headset 30 (S59).

When the portable terminal 10 is disconnected from the second headset 30 (S61), the portable terminal 10 connects to the first headset 20, which is a headset of the found next higher priority (S63). Of course, the first headset 20 is located in a short range where short-range wireless communication of the mobile terminal 10 is possible.

For example, a user carries a Bluetooth headset with the first headset 20, uses a car kit built in a car with the second headset 30, and sets a connection priority in the order of the kite and the Bluetooth headset in the portable terminal 10. The case is as follows. The user leaves the car and uses a Bluetooth headset connected to the mobile terminal 10 in the office or at home. However, when the user starts up in the car and the kit is activated, the portable terminal 10 searches for the kit. Then, the mobile terminal 10 disconnects the Bluetooth headset and connects it with the car kit in order to connect with the car kit having a high connection priority.

As described above, the portable terminal 10 according to the present embodiment automatically performs handover between headsets according to the set connection priority.

1, 2, and 5, when the mobile terminal 10 searches for a paired first headset 20 located at a short distance through short-range wireless communication (S71), the mobile terminal 10 is connected to the first headset 20. Connect (SS73).

When the portable terminal 10 searches for the second headset 30 having a lower connection priority than the first headset 20 while the portable terminal 10 and the first headset 20 are connected (S75), the portable terminal 10 maintains a connection state with the first headset 20 (S77).

When the portable terminal 10 is disconnected from the first headset 20 (S79), the portable terminal 10 connects to the second headset 30, which is a headset of the found next higher priority (S81). Of course, the second headset 30 is a case where the short distance wireless communication of the portable terminal 10 is located.

On the other hand, the embodiments of the present invention disclosed in the specification and drawings are merely presented specific examples to aid understanding, and are not intended to limit the scope of the present invention. In addition to the embodiments disclosed herein, it is apparent to those skilled in the art that other modifications based on the technical idea of the present invention may be implemented.

1 is a perspective view showing a short range wireless communication terminal and a headset according to an embodiment of the present invention.

2 is a block diagram showing the configuration of a short-range wireless communication terminal according to an embodiment of the present invention.

3 is a flowchart illustrating a headset connection method of a short range wireless communication terminal according to an embodiment of the present invention.

4 and 5 are flowcharts illustrating a process of performing a handover according to a connection method between a short range wireless communication terminal and two headsets according to an exemplary embodiment of the present invention.

Claims (25)

A method of connecting a headset of a mobile terminal using near field communication, Searching for periodically searching a plurality of paired headsets located at a short distance; And a first connection process of connecting to a headset having a high connection priority among the plurality of searched headsets. The method of claim 1, When the connection with the connected headset is disconnected, the second connection process of connecting to the next higher priority headset among the searched headset; further comprising a headphone connection method of a mobile terminal using a short range wireless communication. The method of claim 2, wherein the step is performed before the search process, And a setting process of setting a connection priority of the paired plurality of headsets. The method of claim 3, wherein the short range wireless communication method is any one of Bluetooth, Zigbee, Infrared, Ultra WideBand, Near Field Communication, and Ruby. Headset connection method of a mobile terminal using a short-range wireless communication characterized in that. In a method of connecting with a headset of a mobile terminal using near field communication, A first connection process of connecting to a paired first headset located at a short distance; Searching for periodically searching for a paired second headset located at a short distance; A determination step of determining a connection priority of the first headset and the second headset; And a second connection process of disconnecting from the first headset and connecting to the second headset when the connection priority of the second headset is high, as a result of the determination of the determination process. How to connect a headset of a mobile terminal using a. The method of claim 5, And a third connection process for connecting with the first headset when the connection with the second headset is lost. The method of claim 5, wherein the step is performed before the search process, And setting a connection priority of the paired plurality of headsets including the first and second headsets. The method of claim 5, And a determination result of the determination process, when the connection priority of the first headset is high, maintaining a connection state with the first headset. The method of claim 5, wherein the short range wireless communication method is any one of Bluetooth, Zigbee, Infrared, Ultra WideBand, Near Field Communication, and Ruby. A headset connection method of a mobile terminal using near field communication. A short range wireless communication unit configured to periodically search for a plurality of paired headsets located in a short range; And a controller for connecting to a headset having a high connection priority among the plurality of searched headsets. The method of claim 10, wherein the control unit, When the connection with the connected headset is disconnected, the mobile terminal for short-range wireless communication, characterized in that for connecting with the next higher priority headset among the searched headset. The method of claim 11, And an input unit configured to receive a user selection signal. And the control unit sets a connection priority of a plurality of paired headsets according to a user's selection signal through the input unit. The method of claim 12, wherein the short range wireless communication method is any one of Bluetooth, Zigbee, Infrared, Ultra WideBand, Near Field Communication, and Ruby. A portable terminal for short range wireless communication. A near field communication unit configured to perform near field communication with the paired first and second headsets; And a controller for connecting to a headset having a higher connection priority among the first and second headsets when searching for a paired second headset located at a short distance after connecting with the first headset located at a short distance. A portable terminal for short range wireless communication. 15. The method of claim 14, wherein when the connection priority of the second headset is high, And the controller disconnects the first headset and connects the second headset. The method of claim 15, wherein the control unit, And a connection with the first headset when the connection with the second headset is lost. The method of claim 15, And an input unit configured to receive a user selection signal. And the controller sets a connection priority of a plurality of paired headsets including the first and second headsets according to a user's selection signal through the input unit. The method of claim 15, wherein the connection priority of the first headset is high. The control unit is a portable terminal for short-range wireless communication, characterized in that for maintaining the connection state with the first headset. The method of claim 15, wherein the short range wireless communication method is any one of Bluetooth, Zigbee, Infrared, Ultra WideBand, Near Field Communication, and Rubee. A portable terminal for short range wireless communication. A method for connecting a near field communication device of a mobile terminal using near field communication, Searching for periodically searching for a plurality of paired short range wireless communication devices located in a short range; And a first connection process of connecting to a short range wireless communication device having a high connection priority among the plurality of searched short range wireless communication devices. 21. The method of claim 20, wherein the paired short range wireless communication devices are devices that perform the same function. 22. The method of claim 21, wherein the short range wireless communication device is any one of a headset, a mobile terminal, a printer, a game machine, a personal computer, and a notebook computer. The method of claim 21, And a second connection process of connecting to a next higher priority short range wireless communication device among the searched short range wireless communication devices when the connection with the short range wireless communication device is disconnected. A method of connecting a short range wireless communication device to a terminal. The method of claim 23, wherein the step is performed before the search process, And a setting process of setting a connection priority of the plurality of paired short range wireless communication devices. 25. The method of claim 24, wherein the short range wireless communication method is any one of Bluetooth, Zigbee, Infrared, Ultra WideBand, Near Field Communication, and Ruby. A method for connecting a near field communication device of a mobile terminal using near field communication.

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