KR101113248B1 - Switching device for synchronization between computer and smart phone and inputting keyboard signal to the same - Google Patents

Abstract

PURPOSE: A switching apparatus is provided to enable a user to conveniently input text by connecting a computer or a smart phone to a switching apparatus. CONSTITUTION: A switch(110) creates a mode establishment control signal in order to establish a smart phone input mode or a computer input mode. The smart phone input mode inputs keyboard information to a smart phone(300). The computer input mode inputs the keyboard information to a computer(200). A control module(120) outputs the keyboard information according to the mode establishment control signal to the computer or the smart phone. The control module transmits a touch screen input signal to the computer by receiving the touch screen input signal from the smart phone.

Description

Switching device for synchronization between computer and smart phone and inputting keyboard signal to the same}

The present invention relates to a switch device, and more particularly, to a switching device capable of inputting a keyboard signal to a computer and a smartphone or inputting usage information of the smartphone to a computer.

As information and communication technologies rapidly develop, portable electronic devices have been developed and commercialized. In particular, in recent years, a smart phone capable of making and receiving a phone call, and breaking the concept of a mobile phone for sending and receiving SMS messages, accessing the Internet through a WIFI network or a mobile communication network, and installing a program to execute various application programs This is rapidly spreading.

Such smart phones are connected to the Internet to search for maps, search for news in real time, and install securities programs.

The smart phone adopts a text input method using a touch screen instead of a keypad to display various information to the user, but displays a keyboard in a limited space, and the user inputs text by pressing the keyboard by hand. There is a problem in that an adjacent keyboard is touched and a typo is input. In particular, the method of inputting text using the smart phone's touch screen also causes inconvenience in using the smart phone in the process of watching office work in the office, rather than carrying the smart phone.

With the spread of smart phones, users feel convenient to execute various functions using multi-touch functions on the touch screen. For example, a mouse or the like used as a conventional computer input device can select only one point on the screen. Therefore, in order to perform a specific function, it is inconvenient to move the mouse cursor to a tab that executes the corresponding function on the screen. However, in the case of a smart phone that provides a multi-touch function, the touch pad can recognize a movement of a finger to enlarge or reduce the screen, and can easily move to the previous page or the previous page on a web browser.

However, in order to perform such a convenient function on a conventional computer, it is necessary to connect a separate tablet device such as a touch pad to the computer and use it as a mouse or replace a mouse, or separately purchase and install a sub-monitor capable of touch input. do. In this case, it is not economical to install a separate tablet device or monitor, and there was inconvenience in use due to complicated cable connection and installation.

The problem to be solved by the present invention is to provide a switching device that can input information to a smartphone and a computer using a keyboard familiar to the user, and to perform the synchronization and keyboard input that can perform the synchronization between the smartphone and the computer. will be.

In addition, another problem to be solved by the present invention is by interlocking the smartphone and the computer through such a switching device, by receiving input information on the smartphone, such as multi-touch information of the smartphone to the computer, such as display information of the computer By inputting the output information to the smart phone and outputting it through the smart phone, the function that was performed on the computer can be performed on the smart phone, and the function that was performed on the smart phone can be performed on the computer, that is, the computer It is to provide a switching device that can be performed to be compatible with the function of the smartphone function.

The switching device according to the preferred embodiment of the present invention for solving the above problems is a switching device connected to a smart phone and a computer, the switching device is provided with a switch, the keyboard information according to the user's operation of the switch; Output to your smartphone or computer.

In addition, the switching device may perform synchronization between the smartphone and the computer.

The switching device may output the input information generated by the smartphone to the computer as input information that can be used by the computer.

In addition, the switching device may output the output information generated by the computer to the smartphone and output through the smartphone.

The switching device may output the video signal generated from the computer to the smartphone, and output the video signal to a screen of the smartphone.

In addition, the switching device may include a keyboard module to generate the keyboard information.

In addition, the switching device may be connected to a USB keyboard, to receive the keyboard information from the USB keyboard.

The switching device may generate a mode setting control signal for setting a smartphone input mode for inputting the keyboard information to the smartphone or a computer input mode for inputting the keyboard information to the computer by a user's operation. The switch; And a control module configured to output the keyboard information input according to the mode setting control signal to the computer or the smart phone.

In addition, the control module, the keyboard module for generating the keyboard information; And

And a controller configured to output the keyboard information input from the keyboard module to the smartphone or the computer according to the mode setting control signal.

The control module may be configured to connect the controller and the computer to output the keyboard information input from the controller to the computer, and to connect the computer and the smartphone to perform synchronization between the computer and the smartphone. It may further include a USB hub.

The controller may communicate with the smartphone by serial communication or Bluetooth, and transmit the keyboard information to the smartphone.

The control unit may receive a touch screen input signal from the smart phone in the computer input mode, and control the coordinates displayed on the computer screen using the touch screen input signal. Transfer to the computer via the USB hub.

The keyboard module may include a function key button for executing a smartphone control function, and the controller may input a smart key corresponding to the function key button when the keyboard information corresponding to the function key button is input in the smartphone input mode. The smartphone control signal may be output to the smartphone to execute a function of the smartphone corresponding to the function key button.

The keyboard module may be implemented as a USB host unit that recognizes a USB keyboard connected from the outside as an external USB device, converts a signal input from the USB keyboard into a signal that can be interpreted by the controller, and outputs the signal to the controller.

The control module may further include: a USB host unit connected to a USB keyboard to recognize the USB keyboard as an external device, converting the keyboard information input from the USB keyboard, and outputting the converted keyboard information to a controller; A first USB slave processor connected to the computer through a USB hub and transmitting keyboard information and information generated from the smartphone to the computer; A second USB slave processing unit connected to the smartphone having a USB host function through a switching unit and outputting information generated by the smartphone from the smartphone to the controller; The USB hub for connecting the first USB slave processing unit to the computer and for connecting the smartphone connected through the switching unit to the computer; The switching unit which connects the smartphone to the second USB slave processing unit or the USB hub according to a switching control signal; And outputting the switching control signal according to the mode setting control signal to output keyboard information input from the USB host unit to the smartphone through the second USB slave processing unit or through the first USB slave processing unit. You can output

The switching unit may connect the smartphone and the USB hub according to the switching control signal to perform synchronization between the smartphone and the computer.

The control module may further include a second USB hub connected to the USB keyboard and the smart phone; A USB host unit recognizing the USB keyboard and the smart phone connected through the second USB hub as an external device, converting signals input from the USB keyboard and the smart phone, and outputting the converted signals to a controller; A first USB hub connected to the computer and the control unit and outputting the keyboard information input from the control unit to the computer; And outputting the keyboard information input from the USB host unit to the computer through the first USB hub or to the smartphone through the USB host unit and the second USB hub in accordance with the mode setting control signal. It may include the control unit.

The controller may set a communication path between the first USB hub, the USB host unit, and the second USB hub to synchronize the computer with the smartphone.

The switching device for synchronizing the keyboard with the computer and the smart phone according to the preferred embodiment of the present invention is switched by using a keypad built in the switching device or an externally connected USB keyboard by a user simply operating the switch. Optional text can be easily entered into computers and smartphones connected to the device.

In addition, when the switching device according to the preferred embodiment of the present invention is used, the input information generated by the user using the smartphone, such as the multi-touch information of the smartphone, is transmitted to the computer by the switching of the switching device of the present invention. Can be transmitted and used as input information of a computer, and it is possible to use a smartphone as an input device of a computer such as a mouse and a keyboard.

In addition, by using the switching device of the present invention, the application window screen of a computer such as a messenger window can be delivered to the smartphone and displayed on the screen of the smartphone, thereby enabling the smartphone to be used as an auxiliary monitor of the computer.

In addition, by using the switching device according to the preferred embodiment of the present invention, the user may connect the smartphone and the computer to the switching device of the present invention to synchronize the smartphone with the computer and to charge the smartphone.

1 and 2 are block diagrams illustrating a switching device which performs synchronization and keyboard input of a computer and a smartphone according to a first preferred embodiment of the present invention.
3 is a diagram illustrating an example in which a switching device according to a first embodiment of the present invention is implemented.
4 is a diagram illustrating a configuration of a switching device for performing synchronization and keyboard input between a computer and a smartphone according to a second embodiment of the present invention.
5 is a diagram illustrating a configuration of a switching device for synchronizing a computer and a smartphone and performing a keyboard input according to a third embodiment of the present invention.
FIG. 6 is a diagram illustrating a configuration of a switching device for performing synchronization and keyboard input between a computer and a smartphone according to a fourth embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

1 and 2 are switching devices for performing information input such as keyboard text and function key input generated from the synchronization of the computer 200 and the smartphone 300 and the keyboard module according to the first preferred embodiment of the present invention ( 100 is a block diagram (hereinafter, abbreviated as " switching device 100 ").

1 is a diagram illustrating an example in which a switching device outputs keyboard information to a computer so that the computer can use keyboard information generated by the keyboard module 121 as input information.

2 is a diagram illustrating an example in which the switching device outputs the keyboard information to the smartphone so that the smartphone can use the keyboard information generated by the keyboard module 121 as input information.

1 and 2, the switching device 100 according to the first embodiment of the present invention includes a switch 110 and a control module 120, and the control module 120 includes a keyboard module ( 121), the controller 123, and the USB hub 125a.

First, the switch 110 is implemented as a physical switch that can be operated by the user by hand, by the user's operation, the computer 200 in the smartphone input mode or keyboard signal for inputting the keyboard signal to the smartphone 300 Generates a mode setting control signal for setting the computer input mode to be input to the output to the control unit 123.

In the computer input mode, input information such as a touch information of a smartphone may be a serial communication method (for example, an RS-232C method, a serial communication method using a universal asynchronous receiver / transmitter (UART) chip), or a Bluetooth method. Input to the control unit through a separate communication channel (30-2), it is possible to transfer to the computer 200 with the keyboard information input from the keyboard module 121 from the control unit. In addition, in the smartphone input mode, computer output information such as display information output from the computer 200 through the USB hub 125a is transmitted through the USB hub 125a or through a separate communication channel 30-2. The smartphone 300 may be used as an external display device of the computer 200 by being input to 300.

In the example shown in FIG. 1, when the user touches the switch 110 to the Vcc terminal, a voltage pulse of about 5 V is input to the control unit 123 to set the computer input mode. In the example shown in FIG. When the switch 110 is in contact with the ground terminal, the voltage pulse is not input to the controller 123, thereby setting the smartphone input mode.

The control module 120 transmits the keyboard information input from the keyboard module 121 and the input information generated from the smartphone to the computer 200 according to the mode setting control signal, or the keyboard information and the information generated from the computer are smart. While outputting to the phone 300, the computer 200 and the smartphone 300 are connected in accordance with the USB protocol to synchronize the computer 200 and the smartphone 300. As described above, the control module 120 includes a keyboard module 121, a controller 123, and a USB hub 125a.

The keyboard module 121 of the control module 120 has a function key for executing the same keypad 121-2 as the keypad of a general keyboard and a special function of the smartphone 300 (adjusting the screen brightness of the smartphone, adjusting the volume, etc.). It comprises a 121-1. The keypad 121-2 and the function key 121-1 generate a key input signal as the user presses the corresponding key, and the keyboard module 121 outputs the key input signals to the controller 123 as a keyboard signal. do. In this case, the information generated by the computer 200 (eg, display information) and the touch pad information generated by the smartphone 300 may be directly transmitted to each other through the USB hub 125a or may be separately transmitted. 2) may be transmitted to each other under the control of the control unit 123.

The USB hub 125a is connected to the controller 123, the smartphone 300, and the computer 200 according to the USB protocol. The USB hub 125a connects the controller 123 and the computer 200 to output keyboard information input from the controller 123 or information generated from a smartphone such as touch pad input information to the computer 200. By connecting the computer 200 and the smartphone 300, not only to synchronize the computer 200 and the smartphone 300 and to charge the smartphone 300, but also information generated by the computer (for example, display information, etc.) ) Is transmitted to the smartphone, and input information (for example, touch pad input information, etc.) generated from the smartphone is transmitted to the computer.

The controller 123 is connected to the computer 200 through the USB hub 125a and at the same time serial communication using the smartphone 300 and a serial communication method (for example, RS-232C method, universal asynchronous receiver / transmitter (UART) chip) System, etc.) or Bluetooth.

The controller 123 is set to either the computer input mode or the smartphone input mode according to the mode setting control signal input from the switch 110. In the computer input mode, the controller 123 receives input information generated from a smartphone, such as keyboard information input from the keyboard module 121 and touchpad input information input from the smartphone 300, through the USB hub 125a. By transmitting the text to the computer 200 as in a general computer keyboard, or using the touch pad information of the smartphone as input information of the computer, the smartphone 300 is used as a touch pad of the computer 200. It can be utilized as (see reference numeral 10-1 of Fig. 1). At this time, the computer 200 and the smartphone 300 are connected to each other through the USB hub 125a to perform synchronization and charging (see reference numeral 20-1 of FIG. 1).

On the other hand, in the smartphone input mode, the controller 123 transmits the keyboard information input from the keyboard module 121 to the smartphone 300 in a serial communication method or a Bluetooth communication method to perform text input to the smartphone 300. (See reference numeral 30-2 of FIG. 2). In the smartphone input mode, the smartphone 300 is connected to the computer 200 through the USB hub 125a to be charged by the charging current provided from the computer 200 and synchronized with the computer 200. Information generated by the computer 200 (eg, display information) may be output to a smart phone for use.

In addition, when the keyboard information corresponding to the function key 121-1 is input in the smartphone input mode, the controller 123 identifies the corresponding function key 121-1 and then corresponds to the function key 121-1. Outputs the smart phone control signal to the smart phone 300 to execute a function (screen brightness control, volume control, etc.) of the smart phone 300 corresponding to the function key 121-1.

In addition, in the computer input mode, the user may activate the smart phone 300, and then perform a touch input on the touch screen, and the controller 123 receives the touch screen input signal from the smart phone 300, which is then USB. It transmits to the computer 200 through the hub (125a), the computer 200 controls the coordinates displayed on the screen of the computer 200 using the touch screen input signal of the smartphone 300 received from the controller 123 For example, the user may move the position of the cursor displayed on the screen of the computer 200 by moving the position of the finger in contact with the touch screen of the smartphone 300. .

Meanwhile, in the smartphone input mode illustrated in FIG. 2, the synchronization and the charging of the smartphone are performed between the computer 200 and the smartphone 300 through the USB hub 125a.

In a first preferred embodiment of the present invention described above, the synchronization between the computer 200 and the smartphone 300 and the charging of the smartphone 300 are performed through the USB hub 125a and the computer 200 and the smartphone 300. This is done by connecting directly. On the contrary, input information generated in the smartphone 300 such as multi-touch information and output information generated in the computer 200 such as display output information may be implemented to be directly exchanged through the USB hub 125a. It should be noted that it may be implemented to be exchanged through a separate communication channel 30-2.

3 is a diagram illustrating an example in which the switching device 100 according to the first embodiment of the present invention is implemented. Referring to FIG. 3, an accommodating part for accommodating the smart phone 300 is formed in a portion of the keyboard-type switching device 100, and therein, the smart phone 300, the controller 123, and the smart phone. The connector 190 that can connect the 300 and the USB hub 125a protrudes to the outside, so that the smartphone 300 is accommodated in the accommodation portion, and the communication port and the connector 190 of the smartphone 300 are coupled to each other. do. In addition, on the right side of the receiving portion, the user can switch the computer input mode and the smartphone input mode by the button 110 and the function key (121-1) for adjusting the screen brightness and volume of the smartphone 300, etc. ) Are installed.

So far, the switching device 100 according to the first embodiment of the present invention has been described with reference to FIGS. 1 to 3.

4 is a diagram illustrating a configuration of a switching device 100 according to a second preferred embodiment of the present invention. Referring to FIG. 4, the switching device 100 according to the second embodiment uses a general USB keyboard 400 without installing separate keypads and function keys on the keyboard module 121. The user can input the text by using the keyboard. For this purpose, the switching device 100 according to the second embodiment recognizes the USB keyboard 400 connected to the switching device 100 as an external device, and the USB keyboard 400. The USB host signal processing unit (hereinafter, abbreviated as "USB host unit 122") that converts the keyboard information input from the control panel 123 and outputs it to the control unit 123 is different from the keyboard module 121. . Other configurations and functions are the same as those of the first embodiment described above, and thus, detailed descriptions thereof will be omitted.

5 is a diagram showing the configuration of a switching device 100 according to a third embodiment of the present invention. In the case of the third embodiment shown in FIG. 5, the switching device 100 and the smartphone 310 do not use serial communication or Bluetooth communication, and the smartphone 310 communicates as a USB Host device according to the USB protocol. It differs from the above-described first and second embodiments in that it is performed.

Referring to FIG. 5, the switching device 100 according to the third embodiment includes a switch 110 and a control module 120, and the control module 120 includes a USB host unit 122 and a controller 124. ), A first USB slave processing unit 126a, a second USB slave processing unit 126b, a USB hub 125c, and a switching unit 129.

First, the switch 110 is implemented as a physical switch that can be operated by the user by hand, and by the user's operation, the computer 200 to enter the smartphone input mode or keyboard signal to input the keyboard signal to the smartphone 310 A mode setting control signal for setting the computer input mode to be input is generated and output to the control unit 124. In the example shown in FIG. 5, when the user contacts the switch 110 to the Vcc terminal, a voltage pulse of about 5 V is input to the controller 124 to set the computer input mode, and the user sets the switch 110 to the ground terminal. When contacted to the control unit 124, the voltage pulse is not input so that the smartphone input mode is set as in the first and second embodiments described above.

The control module 120 outputs the keyboard information input according to the mode setting control signal to the smart phone 310 operating as the computer 200 or the USB host device, and, like the touch information of the smart phone 310, Information generated by the phone is output to the computer 200. In addition, the synchronization between the computer 200 and the smart phone 310 is connected to the smart phone 310 to operate as a USB slave device through the USB hub 125c in accordance with the USB protocol computer 200 and the smart phone ( 310 is synchronized, and the smartphone 310 is charged.

The USB host unit 122 of the control module 120 recognizes the USB keyboard 400 connected to the external device, converts the keyboard information input from the USB keyboard 400, and outputs the converted keyboard information to the controller 124.

The first USB slave processing unit 126a (hereinafter, abbreviated as "first USB slave") is connected to the computer 200 through the USB hub 125c to receive a signal received from the computer 200 according to the USB protocol. The computer 200 converts information generated by a smartphone such as keyboard information input from the controller 124 and touch information input from the smartphone 310 to the controller 124. To send.

When the computer 200 is synchronized with the smartphone 310, the smartphone 310 is set to operate as a USB slave by the controller 124, and is directly connected to and synchronized with the computer 200 through the USB hub 125c. Is performed.

The second USB slave processing unit 126b (hereinafter, abbreviated as "second USB slave") is connected to a smartphone 310 having a USB host function, and receives a signal received from the smartphone 310 according to the USB protocol. The converted signal is output to the controller 124 and transmitted to the computer 200 together with the keyboard signal input to the controller 124.

The USB hub 125c outputs the keyboard information input from the first USB slave 126a and the input information of the smartphone to the computer 200 or is connected to the smartphone 310 which has been switched to the USB slave function. ) And a synchronization signal to the computer 200 and the smartphone 310.

The control unit 124 outputs the keyboard information input from the USB host unit 122 according to the mode setting control signal to the first USB slave 126a (in the computer input mode) or the second USB slave 126b (smartphone input). Mode), and outputs a switching control signal to the switching unit 129 to set a communication path between the computer 200 and the smartphone 310, so that the user can use the USB keyboard 400 to display the computer 200. Or input text into the smartphone 300, and synchronize the computer 200 with the smartphone 310.

The switching unit 129 performs switching in accordance with a switching control signal input from the control unit 124 to connect the smartphone 310 to the second USB slave 126b or the USB hub 125c.

In the smartphone input mode of the third embodiment, the keyboard information input from the USB keyboard 400 is input to the controller 124 through the USB host unit 122, and the keyboard information output from the controller 124 is the second USB slave. The text input is performed by being input to the smartphone 310 through 126b.

In addition, the keyboard information input from the USB keyboard 400 in the computer input mode is input to the controller 124 through the USB host unit 122, and the keyboard information output from the controller 124 is the first USB slave 126a. Input to the computer 200 through the text input is performed.

In the third preferred embodiment of the present invention described above, the input information generated in the smartphone 310 such as the multi-touch information and the output information generated in the computer 200 such as the display output information are controlled through the control unit 124. Although implemented to be interchangeable, it should be noted that it may be implemented to be exchanged directly through the USB hub 125c.

6 is a diagram showing the configuration of a switching device 100 according to a fourth preferred embodiment of the present invention. In the case of the fourth embodiment shown in FIG. 6, similarly to the third embodiment, the switching device 100 and the smartphone 320 perform communication according to the USB protocol without using serial communication or Bluetooth communication.

Referring to FIG. 6, the switching device 100 according to the fourth embodiment includes a switch 110 and a control module 120, and the control module 120 includes a USB host unit 128 and a controller 127. ), A first USB hub 125d, and a second USB hub 125e.

First, the switch 110 is implemented as a physical switch that can be operated by the user by hand, by the user's operation, the computer 200 in the smartphone input mode or keyboard signal for inputting the keyboard signal to the smartphone 320 A mode setting control signal for setting the computer input mode to be input is generated and output to the control unit 127. In the example shown in FIG. 6, when the user touches the switch 110 to the Vcc terminal, a voltage pulse of about 5 V is input to the controller 127 to set the computer input mode, and the user sets the switch 110 to the ground terminal. When contacted to the control unit 127, the voltage pulse is not input, the smartphone input mode is set.

The control module 120 outputs the keyboard information input according to the mode setting control signal to the computer 200 or the smartphone 320, while connecting the computer 200 and the smartphone 320 according to the USB protocol to the computer. The 200 and the smartphone 320 are synchronized, and the smartphone 320 is charged.

The USB host unit 128 of the control module 120 recognizes the USB keyboard 400 and the smartphone 320 connected to itself through the second USB hub 125e as external devices, and according to the USB protocol, the USB Input information and synchronization signals generated in the smartphone 320 such as keyboard information received from the keyboard 400 and multi-touch information input from the smartphone 320 are output to the controller 127 and from the controller 127. The input signals are converted and transmitted to the smartphone 320.

The first USB hub 125d is connected to the computer 200, outputs a signal received from the computer 200 to the controller 127 according to the USB protocol, and inputs the keyboard information and the smart phone (keyboard) input from the controller 127. The input information and the synchronization signal generated at 320 are converted and transmitted to the computer 200.

The controller 127 outputs the keyboard information input from the USB host unit 128 to the computer 200 through the first USB hub 125d according to the mode setting control signal, or the USB host unit 128 and the second. While outputting to the smartphone 320 through the USB hub (125e), by setting the communication path between the first USB hub (125d), the USB host unit 128, and the second USB hub (125e), The computer 200 and the smartphone 320 are synchronized with each other, and the smartphone 320 is charged.

In the smartphone input mode of the fourth embodiment, the keyboard information output from the USB keyboard 400 is input to the controller 127 through the second USB hub 125e and the USB host unit 128, and then the controller 127 is again. ) And is input to the smartphone 320 through the USB host unit 128 and the second USB hub 125e. In addition, in the computer input mode, the keyboard signal output from the USB keyboard 400 is input to the controller 127 through the second USB hub 125e and the USB host unit 128, and the keyboard output from the controller 127. Information is input to the computer 100 via the first USB hub 125d.

So far I looked at the center of the preferred embodiment for the present invention. Those skilled in the art will appreciate that the present invention can be implemented in a modified form without departing from the essential features of the present invention. Therefore, the disclosed embodiments should be considered in an illustrative rather than a restrictive sense. The scope of the present invention is shown in the claims rather than the foregoing description, and all differences within the scope will be construed as being included in the present invention.

100 switching device
110 switch
120 control module
121 keyboard module
122 USB Host
123, 124, 127 controls
125a, 125c, 125d, 125d USB hub
126a, 126b USB Slave Processing Unit
190 connectors
200 computers
300,310,320 smartphone
400 USB keyboard

Claims (18)

delete delete delete delete delete delete delete delete delete delete delete As a switching device connected to a smartphone and a computer,
A switch for generating a mode setting control signal for setting a smartphone input mode for inputting keyboard information to the smartphone or a computer input mode for inputting the keyboard information to the computer by a user's operation; And
And a control module for outputting the keyboard information input according to the mode setting control signal to the computer or the smart phone.
The control module receives a touch screen input signal from the smartphone in the computer input mode, and transmits the touch screen input signal to the computer so that the computer can control coordinates displayed on a computer screen using the touch screen input signal. Switching device, characterized in that the transmission to the computer. As a switching device connected to a smartphone and a computer,
A switch for generating a mode setting control signal for setting a smartphone input mode for inputting keyboard information to the smartphone or a computer input mode for inputting the keyboard information to the computer by a user's operation; And
And a control module for outputting the keyboard information input according to the mode setting control signal to the computer or the smart phone.
The control module includes a keyboard module including a function key button for executing a smartphone control function,
When the keyboard information corresponding to the function key button is input in the smartphone input mode, the control module outputs a smartphone control signal corresponding to the function key button to the smartphone so that A switching device, characterized in that to execute a function. As a switching device connected to a smartphone and a computer,
A switch for generating a mode setting control signal for setting a smartphone input mode for inputting keyboard information to the smartphone or a computer input mode for inputting the keyboard information to the computer by a user's operation; And
And a control module for outputting the keyboard information input according to the mode setting control signal to the computer or the smart phone.
The control module includes a keyboard module for generating the keyboard information,
The keyboard module is a switching device, characterized in that implemented as a USB host for recognizing a USB keyboard connected from the outside as an external USB device, and converts a signal input from the USB keyboard into a signal that can be interpreted by the control module. As a switching device connected to a smartphone and a computer,
A switch for generating a mode setting control signal for setting a smartphone input mode for inputting keyboard information to the smartphone or a computer input mode for inputting the keyboard information to the computer by a user's operation; And
And a control module for outputting the keyboard information input according to the mode setting control signal to the computer or the smart phone.
The control module
A USB host unit connected to a USB keyboard to recognize the USB keyboard as an external device, converting the keyboard information input from the USB keyboard, and outputting the converted keyboard information to a controller;
A first USB slave processor connected to the computer through a USB hub and transmitting keyboard information and information generated from the smartphone to the computer;
A second USB slave processing unit connected to the smartphone having a USB host function through a switching unit and outputting information generated by the smartphone from the smartphone to the controller;
The USB hub for connecting the first USB slave processing unit to the computer and for connecting the smartphone connected through the switching unit to the computer;
The switching unit which connects the smartphone to the second USB slave processing unit or the USB hub according to a switching control signal; And
Outputs the switching control signal according to the mode setting control signal, and outputs keyboard information input from the USB host unit to the smartphone through the second USB slave processing unit or to the computer through the first USB slave processing unit. Outputting a switching device. The method of claim 15, wherein the switching unit
And switching the smartphone and the USB hub according to the switching control signal to perform synchronization between the smartphone and the computer. As a switching device connected to a smartphone and a computer,
A switch for generating a mode setting control signal for setting a smartphone input mode for inputting keyboard information to the smartphone or a computer input mode for inputting the keyboard information to the computer by a user's operation; And
And a control module for outputting the keyboard information input according to the mode setting control signal to the computer or the smart phone.
The control module
A second USB hub connected to a USB keyboard and the smartphone;
A USB host unit recognizing the USB keyboard and the smart phone connected through the second USB hub as an external device, converting signals input from the USB keyboard and the smart phone, and outputting the converted signals to a controller;
A first USB hub connected to the computer and the control unit and outputting the keyboard information input from the control unit to the computer; And
According to the mode setting control signal, the keyboard information input from the USB host unit is output to the computer through the first USB hub or to the smartphone through the USB host unit and the second USB hub. Switching device comprising the control unit. The method of claim 17, wherein the control unit
And a communication path between the first USB hub, the USB host unit, and the second USB hub to synchronize the computer with the smartphone and to charge the smartphone.

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