KR20100039592A - User interface system and method and device - Google Patents

Abstract

PURPOSE: A user interface device, a system thereof, and a method thereof are provided to supply various user input/output interfaces through one user interface device. CONSTITUTION: A user interface device(110) displays a display signal received from the outside. The user interface device transmits a touch input signal inputted by touch method through a displayed screen to the outside. An intermediate host device(130) receives the touch input signal. The intermediate host device executes or controls the operation of device based on the received touch input signal. The intermediate host equipment transmits a display signal corresponding to the execution or control result to the user interface device.

Description

User interface system and method and device

The present invention relates to a user interface device, a system, and a method, and more particularly, a result of execution in a user terminal is transmitted to a device having a large display screen for display, and a user's touch input through a touch interface on the display screen of the device. The present invention relates to a user interface device, a system, and a method for transmitting a to a user terminal so as to manipulate an operation of the user terminal.

As the performance of the portable device improves, various applications can be performed. As a portable device, not only the size of the terminal is small, but also the screen displaying the operation status is small, and therefore, the user interface (UI) is limited to the small screen. In order to compensate for the limitation of the user interface, as an interface that can be connected to a portable device, a game-specific expansion pack for a game or a Qwerty type keyboard is provided.

However, these interface devices have a problem that the user cannot carry them all or purchase them one by one due to the economic burden every time new applications are released.

To compensate for this, there is a method of displaying a user interface on a screen by using a touch interface and receiving and processing touch input from a user, but there are many problems in providing various interfaces on a small screen of a portable device.

In addition, there is a problem that a display screen of an application program that executes such an interface obstructs the entire screen of the terminal, or the actual space available for the application program is reduced.

In addition, the portable terminal is designed to be small in order to increase portability, and thus the size of the screen that can be provided is limited. Therefore, there is a problem in that user satisfaction is not high in an application environment requiring a large screen and high resolution, such as video playback or web browsing.

In order to solve the above-mentioned problems, the present invention transmits and displays the results executed in the user terminal to a device having a large display screen, and delivers the user's touch input through the touch interface to the user terminal on the display screen of the device. It is an object of the present invention to provide a user interface device, a system, and a method for operating an operation of a terminal.

According to an aspect of the present invention, there is provided a user interface system including: a user interface device displaying a display signal received from the outside and transmitting a touch input signal input by a touch method to the outside through the displayed screen; And receiving the touch input signal from the user interface device, executing or controlling an operation of the equipment based on the received touch input signal, and transmitting a display signal corresponding to the result of the execution or control to the user interface device. Host equipment.

In addition, the user interface device displays a display signal corresponding to the reproduction of the multimedia or a display signal corresponding to a result of the execution or control of the operation of the equipment received from the host equipment on the screen.

The host equipment may also be one of a PDA, mobile terminal, PMP, notebook PC, TV, IPTV set top box, cable / satellite set top box, VTR, DVD / Blu-ray player.

In addition, the user interface device and the host device may perform communication in one of a communication method of Bluetooth communication, infrared communication, Zigbee communication, RF communication.

The apparatus may further include a connection device for wired connection between the user interface device and the host device.

In this case, the connection device may include: a first terminal unit connected with the user interface device; A second terminal portion connected to the host equipment; And a cable connecting the first terminal portion and the second terminal portion.

In addition, the user interface device may be powered from the host equipment via the connection device.

In addition, the connection device may have the form of a dedicated cradle connected to the host equipment in the form of passing through the user interface device.

In addition, the user interface device displays the display signal received according to the execution result of one input application from the host equipment.

When the user interface device detects the connection of the host device, the user interface device may determine whether the display signal is received from the host device and display the display signal if received, and touch the screen through the screen on which the display signal is displayed. When the signal is input by checking whether it is input, the touch input signal is transmitted to the host equipment.

On the other hand, the user interface device according to the present invention for achieving the above object, the first communication interface for communicating with the host equipment; A touch interface unit displaying a display signal received from the host device or receiving a touch input signal related to an operation of the host device by a touch method; And a controller configured to control the display signal to be displayed on the touch interface unit when the display signal is received from the host device and to transmit a touch input signal through the touch interface unit to the host device.

The first communication interface can also include a wireless communication module for wirelessly communicating with the host equipment. At this time, the wireless communication module performs near field communication or wireless communication including infrared communication, RF communication, and Bluetooth communication.

In addition, the first communication interface unit may include a wired communication module for wired communication with the host equipment.

The apparatus may further include a connection detecting unit detecting whether the host equipment is connected to the first communication interface unit.

In addition, when the connection of the host device is detected through the connection detecting unit, the control unit transmits its own equipment information to the host equipment, and receives the display signal suitable for the unique equipment information from the host equipment.

When the connection of the host device is detected through the connection detecting unit, the controller transmits a touch input signal corresponding to the execution result of one of the plurality of input applications to the host device.

On the other hand, the host device according to the present invention for achieving the above object, the second communication interface for communicating with a user interface device for outputting a touch input signal; An equipment function unit that performs a unique function of the equipment; A power supply unit supplying power required for the operation of the equipment; And a control unit for controlling a display signal according to a function execution result of the equipment function unit to be transmitted to the user interface device through a second communication interface unit, and controlling an operation of the equipment function unit according to the touch input signal received from the user interface device. Include.

Here, the second communication interface unit may include a wireless communication module for wirelessly communicating with the user interface device. At this time, the wireless communication module performs near field communication or wireless communication including infrared communication, RF communication, and Bluetooth communication.

In addition, the second communication interface unit may include a wired communication module for wired communication with the user interface device.

The controller controls the power supply of the power supply unit to be supplied to the user interface device through the second communication interface unit.

On the other hand, the user interface method according to the present invention for achieving the above object, the user interface method of the user interface device in communication with the host device, (a) receiving and displaying a display signal from the host equipment; (b) checking whether a touch input signal is input through the displayed screen; And (d) transmitting the touch input signal to the host equipment.

Here, in step (a), the display signal according to the operation result of the host equipment is received and displayed.

In addition, step (a) is to receive and display the display signal from the host equipment through short-range communication or wireless communication, including infrared communication, RF communication, Bluetooth communication.

In addition, in step (a), after transmitting the unique equipment information to the host equipment, and receives the display signal suitable for the unique equipment information from the host equipment to display.

In addition, in step (c), the touch input signal corresponding to the execution result of one of the plurality of input applications is transmitted to the host device.

The step (c) may include transmitting the touch input signal to the host device through a connection device that is wired to the host device, or transmitting the touch input signal to a short range communication or wireless communication including infrared communication, RF communication, and Bluetooth communication. The communication is made to the host device.

On the other hand, the user interface method according to the present invention for achieving the above object is a user interface method of the host equipment to communicate with the user interface device in a wired or wireless manner, (a) display according to the result of the function execution to the user interface device; Transmitting a signal; (b) confirming whether a touch input signal is received from the user interface device; And (c) controlling the operation of the equipment based on the touch input signal.

In addition, step (a) is executed after supplying power to the user interface device when detecting that the user interface device is connected.

In addition, in step (a), the display signal may be transmitted to the user interface device through near field communication or wireless communication including infrared communication, RF communication, and Bluetooth communication.

Also, the touch input signal may be a touch input signal input by a single touch application by one input application.

In the step (d), the multimedia may be played according to the touch input signal received from the user interface device, the sound may be output according to the input of the instrument keyboard, the drawing may be performed on a paint plate including a palette, or the game may be executed. One of the operations is controlled to be performed.

On the other hand, the recording medium according to the present invention for achieving the above object, can record a program for processing the user interface method of the user interface device.

In addition, the recording medium according to the present invention for achieving the above object can record a program for processing the user interface method of the host equipment.

The present invention can provide various types of user input / output interfaces with only one user interface device without having to carry all of the interfaces requiring various applications.

In addition, the user interface device may be physically connected to the equipment that does not provide the touch interface, or the touch interface may be provided through communication.

In addition, the user interface device may be used as an auxiliary screen of various devices.

In addition, by using a user interface device, it provides convenience of portability and provides an environment for maximizing the utilization of a portable media terminal or a mobile terminal.

Details of the object and technical configuration of the present invention and the resulting effects thereof will be more clearly understood by the following detailed description based on the accompanying drawings. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a configuration diagram schematically showing the configuration of a user interface system according to an embodiment of the present invention.

Referring to FIG. 1, a user interface system 100 according to the present invention includes a user interface device 110, a connection device 120, and a host device 130.

In the present invention, the host equipment 130 is referred to as 'host equipment' in the sense of receiving a touch input device from the user interface device 110.

The user interface device 110 includes a touch interface unit 112 through which a user can input a user command with a finger or the like in a touch manner, and a result or operation of the device input through the touch interface unit 112. The result or the multimedia being played can be displayed.

In addition, the user interface device 110 includes a first communication interface 114 capable of communicating by wire or wirelessly with a mobile terminal such as a PDA, a PMP, or a notebook PC.

In addition, the user interface device 110 displays the screen manipulation signal received from the host device 130 through the first communication interface 114 to the touch interface 112.

In addition, the user interface device 110 transmits a user command or input data input in a touch manner through the touch interface unit 112 to the host device 130 through the first communication interface unit 114. In this case, the touch interface unit 112 may use any method such as a pressure sensitive type, an electrostatic type, or a light blocking method capable of detecting a touch input. When the touch interface unit 112 is used as a display device, the touch interface unit 112 may be implemented in the form of a TFT-LCD, an OLED, an e-paper, or the like.

The connection device 120 connects the host device 130 to the user interface device 110 by wire, such as a cable. That is, the connection device 120 connects the first communication interface 114 of the user interface device 110 and the second communication interface 134 of the host device 130 with a cable.

Accordingly, the connection device 120 may include a first terminal portion 122 connected to the first communication interface unit 114, a second terminal unit 124 connected to the second communication interface unit, and a first terminal unit 122. And a cable 126 connecting the second terminal portion 124.

The host equipment 130 has a second communication interface 134 for receiving user commands or input data transmitted from the user interface device 110, and user commands received via the second communication interface 134. Or play the multimedia or perform the operation of the equipment based on the input data.

In addition, although the host device 130 may be a device having a touch interface, the host device 130 may be a device having no touch interface. Therefore, the host device 130 may be a media player for playing multimedia, a mobile terminal for receiving multimedia through a mobile communication network, and a PDA, PMP, notebook PC, etc. for playing multimedia stored therein. Can be.

In addition, the host device 130 may be a TV, an IPTV set-top box, a cable / satellite set-top box, or the like, which receives multimedia through a communication network from the outside. And so on.

In addition, the connection device 120 may connect the user interface device 110 and the host equipment 130 in the form of a dedicated cradle as shown in FIG. 6. 6 is a diagram illustrating a case where a user interface device and a host device are connected using a dedicated cradle according to an embodiment of the present invention. That is, in the dedicated cradle type connection device 620, the first terminal part 622 inserted into and connected to the first communication interface part 114 of the user interface device 110 is located on the dedicated cradle 610, and the host equipment ( The second terminal unit 624 inserted into the second communication interface unit 134 of the 130 is connected to the dedicated cradle 610 through the cable 626. In this case, the dedicated cradle 610 may be manufactured in various forms and provides a networking means between the user interface device 110 and the host equipment 130.

On the other hand, when the user interface device 110 and the host device 130 transmits and receives data by wireless communication, the first communication interface 114 and the second communication interface 134 is a Bluetooth communication, infrared communication, Zigbee Communication is performed by one of the communication methods and the RF communication method. Thus, control commands or data are wirelessly transmitted and received between the user interface device 110 and the host equipment 130.

In addition, the user interface device 110 and the host device 130 transmits and receives a signal capable of recognizing each other, and recognizes that the user interface device 110 and the host device 130 are connected to each other when the communication is possible.

The user interface device 110 may have various sizes, shapes, and shapes.

2 is a configuration diagram schematically showing an internal configuration of a user interface device according to an embodiment of the present invention.

2, the user interface device 110 according to the present invention may include a touch interface unit 112, a first communication interface unit 114, a device information storage unit 230, a connection detection unit 240, and The controller 250 is included.

The touch interface unit 112 receives a control command or data related to the operation of the host device 130 in a touch manner.

The first communication interface 114 includes a wireless communication module for wirelessly communicating with the host equipment 130. Here, the wireless communication module performs near field communication or wireless communication including infrared communication, RF communication, and Bluetooth communication.

In addition, the first communication interface unit 114 may include a wired communication module for wired communication with the host equipment 130. Here, the wired communication module has a connection port connected to the connection device 120, the first terminal portion 122 of the connection device 120 is inserted into the connection port.

The device information storage unit 230 stores unique device information such as a model name, a model number, and a serial number of the user interface device 130. Here, the unique device information also includes information about the screen size and the supportable resolution.

The connection detector 240 detects whether the host device 130 is connected to the first communication interface 114, and transmits the detected signal to the controller 250.

When the connection of the host device 130 is detected through the connection detector 240, the controller 250 controls the screen manipulation signal received from the host device 130 to be displayed on the screen of the touch interface unit 112. The touch input signal through the touch interface unit 112 is controlled to be transmitted to the host device 130.

Here, the screen operation signal received from the host equipment 130 may include an input application for a QWERTY type keyboard, an input application for a UCC authoring interface, an input application for an instrument interface including a piano keyboard, an input application for a paint plate including a palette, It may be one of the input applications related to the game interface. Therefore, upon receiving an input application from the host device 130, the controller 250 displays the input application on the touch interface unit 112.

Figure 3 is a schematic diagram showing the internal configuration of the host equipment according to an embodiment of the present invention.

Referring to FIG. 3, the host device 130 according to the present invention includes a second communication interface unit 134, an equipment function unit 330, a power supply unit 340, a control unit 350, and an operation unit 360. .

The second communication interface unit 134 communicates with the user interface device 110 by wire or wirelessly, and transmits a screen manipulation signal or receives a touch input signal from the user interface device 110.

In addition, the second communication interface unit 134 includes a wireless communication module for wirelessly communicating with the user interface device 110. Here, the wireless communication module performs near field communication or wireless communication including infrared communication, RF communication, and Bluetooth communication.

In addition, the second communication interface unit 134 may include a wired communication module for communicating with the user interface device 130 by wire. Here, the wired communication module has a connection port connected to the connection device 120, the second terminal portion 124 of the connection device 120 is inserted into the connection port.

The equipment function unit 330, for example, performs a function of communicating through a mobile communication network when the host equipment 130 is a mobile terminal, and plays a multimedia in the case of a media playback device. That is, the equipment function unit 330 performs a unique function of the equipment.

The power supply unit 340 supplies power required for the operation of the equipment.

The controller 350 controls the equipment function unit 330 to operate according to the touch input signal received from the user interface device 110 through the second communication interface unit 134. That is, the controller 350 plays multimedia according to the touch input signal received from the user interface device 110, outputs sound according to the input of the piano keyboard, executes drawing on a paint plate including a palette, or plays a game. Allow the action to be performed.

In addition, the controller 350 controls the operation unit 360 when a screen executed according to the unique function operation of the equipment function unit 330 is displayed on the screen of the touch interface unit 112 of the user interface device 110 in a large size. When the screen manipulation signal is input through the controller, the screen manipulation signal is transmitted to the user interface device 110.

In addition, the controller 350 controls the power of the power supply unit 340 to be supplied to the user interface device 110 through the connection device 120 connected to the second terminal unit 124 of the second communication interface unit 134.

The operation unit 360 may input a command regarding an operation of the host device 130 or input a screen operation signal for a screen displayed by the touch interface unit 112 of the user interface device 110.

4 is a flowchart illustrating a user interface method according to an embodiment of the present invention.

In the embodiment of the present invention will be described as an example of connecting the user interface device 110 and the host equipment 130 by a dedicated cable to communicate by wire.

Referring to FIG. 4, the user connects the host device 130 to the user interface device 110 through the connection device 120.

That is, the first terminal 122 of the connecting device 120 is inserted into the first communication interface unit 114 of the user interface device 110, and the second terminal 124 is connected to the second terminal of the host device 130. It is connected to the communication interface unit 134.

At this time, the control unit 250 of the user interface device 110 checks whether the host device 130 is connected through the connection detection unit 240 (S402).

If wireless communication is performed between the user interface device 110 and the host device 130, it may be regarded as being connected to each other when a signal capable of recognizing the devices is transmitted to and received from each other.

When the host device 130 is connected to the user interface device 110 through the connection device 120, power is supplied from the host device 130 to the user interface device 110 through the connection device 120.

As the user connects the host device 130 to the user interface device 110 using the connection device 120, the user interface device 110 connects the host device 130 through the connection detection unit 240. Detect (S404).

That is, as power is supplied from the host device 130, the user interface device 110 is turned on, and the controller 250 is connected to the connection detector 240 according to the power supply from the host device 130. The connection of the host device 130 may be sensed by detecting a difference in the voltage value.

When the user interface device 110 detects the connection of the host device 130 through the connection detection unit 240 (S404-Yes), the control unit 250 of the user interface device 110 controls the host device. It is checked whether a display signal is received from 130 (S406).

Here, the display signal refers to a display signal that must display the execution result after the unique function or the specific function is executed in the host device 130.

If it is confirmed that the display signal is received from the host device 130 (S408-Yes), the control unit 250 of the user interface device 110 displays the display signal on the screen of the touch interface unit 112 (S410). .

Here, the controller 250 transmits unique equipment information such as a model name, model number, serial number, etc. to the host equipment 130, and receives a display signal through an application suitable for the unique equipment information from the host equipment 130, thereby providing a touch interface. It can be displayed in the unit 112. In this case, the unique device information includes a screen size and a supported resolution.

Thereafter, the controller 250 displays the display signal through the touch interface unit 112 and then checks whether there is a touch input by the user from the touch interface unit 112 (S412).

In the case where the user is playing the multimedia through the host equipment 130, since the multimedia playback screen is displayed through the touch interface unit 112 of the user interface device 110, the user interface device 110 is shown in FIG. 7. As shown in the drawing, the touch input operation related to the multimedia reproduction may be received from the touch interface 112 displaying the multimedia. 7 is a diagram illustrating inputting a touch operation through a touch interface unit of a user interface device connected to a host device according to an exemplary embodiment of the present invention. In addition to this, the user may use the touch interface unit 112 as a touch keyboard to perform a QWERTY type keyboard input, and perform a touch input using the touch interface unit 112 as an input device of the DJing Mixer. In addition, the user may perform a touch input for drawing a picture using the touch interface unit 112 as a palette, or a touch input for a game using a game controller. In addition, the user may perform touch input on the instrument using the touch interface unit 112 as a keyboard input device of the pocket instrument, and may also perform touch input on the UCC authoring.

Therefore, the controller 250 receives a touch input signal according to the user's touch input from the touch interface unit 112 (S414).

Subsequently, the controller 250 transmits the touch input signal received from the touch interface unit 112 to the host device 130 through the first communication interface unit 114 (S416).

Accordingly, the host device 130 is executed through the equipment function unit 330 according to the touch input signal received from the user interface device 110 through the second communication interface unit 134 via the connection device 120. Control the operation of the equipment.

5 is a flowchart illustrating a user interface method of a host device according to an embodiment of the present invention.

Referring to FIG. 5, the host device 130 to which the present invention is applied is connected to the user interface device 110 by wire or wirelessly, thereby operating the device according to the touch input signal received from the user interface device 110. Will run

First, the host device 130 checks whether the user interface device 110 is connected through the second communication interface unit 134 (S502).

That is, when the user interface device 110 is connected to the second communication interface unit 134 through the connection device 120, the host device 130 generates a voltage difference because the voltage difference occurs in the second communication interface unit 134. The connection of the user interface device 110 may be recognized.

In the host device 130, if the control unit 350 determines that the user interface device 110 is connected through the second communication interface unit 134 (S504-YES), power is supplied from the power supply unit 340 to the second communication interface unit. 134 and the connection device 120 to be supplied to the user interface device 110 (S506).

Subsequently, the controller 350 checks whether there is a display signal according to the execution of the equipment function unit 330 (S508).

If there is a display signal according to the execution of the unique function of the equipment function unit 330 (S510-Yes), the control unit 350 transmits the display signal to the user interface device 110 through the second communication interface unit 134. Transmit (S512).

Thereafter, the controller 350 determines whether a touch input signal is received from the user interface device 110 through the second communication interface 134 connected to the user interface device 110 through the connection device 120. (S514).

In this case, the touch input signal received from the user interface device 110 may be a touch input signal or a touch as a user performs a QWERTY type keyboard input by using the touch interface unit 112 as a touch keyboard as shown in FIG. 7. The interface unit 112 may be a touch input signal according to an input by utilizing the input device of the DJing Mixer.

In addition, as shown in FIG. 7, the touch input signal received from the user interface device 110 is a touch input signal according to a user performing an input related to drawing by using the touch interface 112 as a palette. Or, it may be a touch input signal by performing an input relating to a game by utilizing as a game controller.

In addition, the touch input signal received from the user interface device 110 is a touch input as a user performs input on the instrument by using the touch interface unit 112 as a keyboard input device of the pocket instrument as shown in FIG. 7. Signal or a touch input signal for UCC authoring.

When the host device 130 receives the touch input signal from the user interface device 110 (S516-Yes), the host device 130 executes the operation of the device according to the touch input signal (S518).

That is, the host device 130 performs a control operation related to multimedia playback according to the touch input signal, performs a painting operation through the palette according to the touch input signal, or performs a game adjustment function according to the touch input signal.

In addition, the host device 130 may perform a keyboard input or a keyboard manipulation function of the instrument according to the touch input signal, or may perform a keyboard input for writing a document.

On the other hand, the present invention can receive a display signal from the host device for controlling the operation of the equipment and display, or record a program processing a user interface method for providing a touch input signal through the touch interface to the host device on a recording medium. .

In addition, the present invention can record a program for processing the user interface method of the host device to communicate by wire or wirelessly with the user interface device for transmitting a touch input signal through the touch interface on the recording medium.

As described above, according to the present invention, the result executed in the user terminal is transmitted to the device having a large display screen and displayed, and the user's touch input through the touch interface is transmitted to the user terminal on the display screen of the device, A user interface device, a system, and a method for enabling the operation of a user terminal to be realized can be realized.

As those skilled in the art to which the present invention pertains may implement the present invention in other specific forms without changing the technical spirit or essential features, the embodiments described above should be understood as illustrative and not restrictive in all aspects. Should be. The scope of the present invention is shown by the following claims rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention. do.

The present invention can be applied to a TV, an IPTV set-top box, a cable / satellite set-top box, etc., which are not provided with a touch interface, and can be applied to a VTR, a DVD / Blu-ray player, etc. for playing multimedia recorded in a storage medium.

In addition, the display screen may be applied as a sub screen to a terminal or a device having a small screen size or no display device.

In addition, each interface may be solved by a single user interface device in a home network system requiring various applications.

1 is a configuration diagram schematically showing the configuration of a user interface system according to an embodiment of the present invention.

2 is a configuration diagram schematically showing an internal configuration of a user interface device according to an embodiment of the present invention.

Figure 3 is a schematic diagram showing the internal configuration of the host equipment according to an embodiment of the present invention.

4 is a flowchart illustrating a user interface method according to an embodiment of the present invention.

5 is a flowchart illustrating a user interface method of a host device according to an embodiment of the present invention.

6 is a diagram illustrating a case where a user interface device and a host device are connected by using a dedicated cradle according to an embodiment of the present invention.

7 is a diagram illustrating inputting a touch operation through a touch interface unit of a user interface device connected to a host device according to an exemplary embodiment of the present invention.

<Description of Symbols for Main Parts of Drawings>

100: user interface system 110: user interface device

112: touch interface unit 114: first communication interface unit

120: connecting device 122: first terminal portion

124: second terminal portion 126: cable

130: host equipment 134: second communication interface unit

230: device information storage unit 240: connection detection unit

250: control unit 330: equipment function unit

340: power supply unit 350: control unit

360: operation unit 610: dedicated cradle

622: first terminal portion 624: second terminal portion

626: cable

Claims (28)

A user interface device which displays a display signal received from the outside and transmits a touch input signal input by a touch method to the outside through the displayed screen; And Receiving the touch input signal from the user interface device, executing or controlling an operation of the equipment based on the received touch input signal, and transmitting a display signal corresponding to the result of the execution or control to the user interface device; Host equipment; User interface system comprising a. The method of claim 1, The user interface device, characterized in that for displaying a display signal corresponding to the playback of the multimedia or the display signal corresponding to the result of the execution or control of the operation of the equipment received from the host equipment on the screen. The method of claim 1, The host device is a user interface system, characterized in that the PDA, mobile terminal, PMP, notebook PC, TV, IPTV set-top box, cable / satellite set-top box, VTR, DVD / Blu-ray player. The method of claim 1, The user interface system between the user interface device and the host device to perform a communication in one of the communication method of Bluetooth, infrared communication, Zigbee communication, RF communication. The method of claim 1, A connection device for connecting the user interface device and the host equipment by wire; The user interface system further comprises. The method of claim 5, The connecting device, A first terminal portion connected to the user interface device; A second terminal portion connected to the host equipment; And A cable connecting the first terminal portion and the second terminal portion; User interface system comprising a. The method of claim 5, And the user interface device is powered from the host device via the connection device. The method of claim 5, The connection device, the user interface system characterized in that it has a dedicated cradle form that is connected to the host equipment in the form of passing through the user interface device. The method of claim 1, And the user interface device displays a display signal received from the host device according to the execution result of one input application. The method of claim 1, When the user interface device detects the connection of the host device, the user interface device checks whether the display signal is received from the host device, displays the display signal when received, and displays a touch input signal through a screen on which the display signal is displayed. The user interface system, characterized in that for confirming that the input is sent, the touch input signal to the host device. A first communication interface for communicating with a host equipment; A touch interface unit displaying a display signal received from the host device or receiving a touch input signal related to an operation of the host device by a touch method; And A control unit for controlling the display unit to display the touch signal when the display signal is received from the host device, and to transmit a touch input signal through the touch interface unit to the host device; User interface device comprising a. The method of claim 11, And the first communication interface unit comprises a wireless communication module for wirelessly communicating with the host equipment. The method of claim 11, And the first communication interface unit includes a wired communication module for wired communication with the host equipment. The method of claim 11, A connection detecting unit detecting whether the host equipment is connected to the first communication interface unit; The user interface device further comprises. The method of claim 14, When the control unit detects the connection of the host equipment through the connection detection unit, and transmits its own equipment information to the host equipment, characterized in that for receiving the display signal suitable for the unique equipment information from the host equipment User interface device. The method of claim 14, If the connection of the host device is detected through the connection detection unit, the controller transmits a touch input signal corresponding to the execution result of one of the plurality of input applications to the host device. . A second communication interface for communicating with a user interface device that outputs a touch input signal; An equipment function unit that performs a unique function of the equipment; A power supply unit supplying power required for the operation of the equipment; And A control unit for controlling a display signal according to a function execution result of the equipment function unit to be transmitted to the user interface device through the second communication interface unit, and controlling an operation of the equipment function unit according to a touch input signal received from the user interface device; ; Host equipment comprising a. The method of claim 17, And the second communication interface unit comprises a wireless communication module for wirelessly communicating with the user interface device. The method of claim 17, And the second communication interface unit includes a wired communication module for wired communication with the user interface device. The method of claim 17, And the control unit controls the power supply of the power supply unit to be supplied to the user interface device through the second communication interface unit. A user interface method of a user interface device in communication with a host device, (a) receiving and displaying an indication signal from the host equipment; (b) checking whether a touch input signal is input through the displayed screen; And (d) transmitting the touch input signal to the host device when the touch input signal is input; User interface method comprising a. The method of claim 21, The step (a), the user interface method, characterized in that for receiving and displaying a display signal according to the operation result of the host equipment. The method of claim 21, In the step (a), after transmitting the unique equipment information to the host equipment, the user interface method characterized in that to receive and display a display signal suitable for the unique equipment information from the host equipment. The method of claim 21, In the step (c), the user interface method comprising transmitting a touch input signal corresponding to the execution result of one of the plurality of input applications to the host device. The method of claim 21, The step (d) may include transmitting the touch input signal to the host device through a connection device that is wired to the host device, or transmitting the touch input signal to the host device through short-range or wireless communication. Characterized by a user interface method. A user interface method of a host device that communicates with a user interface device by wire or wirelessly, (a) transmitting a display signal according to a result of executing a function to the user interface device; (b) receiving a touch input signal from the user interface device; And (c) controlling the operation of the equipment based on the touch input signal; User interface method comprising a. The method of claim 26, The step (a) is performed after supplying power to the user interface device when detecting that it is connected to the user interface device. The method of claim 26, In the step (c), playing the multimedia according to the touch input signal received from the user interface device, outputting a sound according to the input of an instrument keyboard, drawing a picture on a palette including a palette, or executing a game. And control one of the operations to be performed.

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