KR20130108755A - Input/output system and thereof operating method - Google Patents

Input/output system and thereof operating method Download PDF

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Publication number
KR20130108755A
KR20130108755A KR1020120030437A KR20120030437A KR20130108755A KR 20130108755 A KR20130108755 A KR 20130108755A KR 1020120030437 A KR1020120030437 A KR 1020120030437A KR 20120030437 A KR20120030437 A KR 20120030437A KR 20130108755 A KR20130108755 A KR 20130108755A
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KR
South Korea
Prior art keywords
keyboard
portable terminal
data
input
unit
Prior art date
Application number
KR1020120030437A
Other languages
Korean (ko)
Inventor
곽광래
오지현
김도훈
김현수
백정린
이기완
Original Assignee
삼성전자주식회사
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Priority to KR1020120030437A priority Critical patent/KR20130108755A/en
Publication of KR20130108755A publication Critical patent/KR20130108755A/en

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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/023—Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes
    • G06F3/0233—Character input methods
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/16—Sound input; Sound output
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/451—Execution arrangements for user interfaces

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

The present invention provides a method for inputting and outputting a keyboard, the method receiving and outputting data from a portable terminal, which is mechanically and electrically coupled, and generating a button signal in response to a user's button press and generating the button signal. Transmitting a signal to the mechanically and electrically coupled portable terminal.

Description

I / O system and its operation method {INPUT / OUTPUT SYSTEM AND THEREOF OPERATING METHOD}

The present invention relates to an input / output system and a method of operating the same.

Due to the development of the electronic communication industry, portable terminals such as mobile communication terminals (cellular phones), electronic notebooks, and personal composite terminals have become essentials of the modern society, and are becoming an important means of rapidly changing information transmission.

As is well known, as the utilization of touch screen portable terminals increases recently, there is a clear tendency to prefer an input / output method through a touch screen supporting high resolution. According to this tendency, the portable terminal may apply a larger touch screen, but considering its portability, its size is limited. In general, the portable terminal provides a graphic keyboard (keypad) through the touch screen, and frequently causes a typo because a plurality of buttons are closely arranged on a limited size screen.

Disclosure of Invention An object of the present invention is to provide an input / output system and an operation method thereof that facilitate input to a portable terminal and provide a larger output screen.

Another object of the present invention is an input / output system for docking a portable terminal and inputting data to the docked portable terminal and configuring a keyboard capable of outputting video data and audio data provided from the docked portable terminal. And it provides a method of operation.

Another object of the present invention to provide a keyboard having a projector.

As a first aspect for solving the above problems, the present invention provides a method for generating a button signal in response to a user's button press and outputting the data and receiving the data from a mechanically and electrically coupled portable terminal. It provides a keyboard input and output method comprising the step of transmitting a signal to the mechanical and electrically coupled portable terminal.

As a second aspect for solving the above problem, the present invention is directed to the step of transmitting data to a mechanically and electrically coupled keyboard and corresponding to the button signal to receive and receive button signals from the mechanically and electrically coupled keyboard. It provides an input and output method of a portable terminal comprising the step of performing a process.

As a third aspect for solving the above problems, the present invention provides a method of mechanically and electrically coupling a keyboard and a portable terminal, transmitting data to the keyboard by the portable terminal, and transmitting the data from the portable terminal to the keyboard. Receiving and outputting the data receiving the data, the keyboard generating a button signal in response to a user's button press and transmitting the button signal to the portable terminal, and the portable terminal from the keyboard It provides a method of operating an input / output system comprising the step of receiving a signal and performing a process corresponding to the received button signal.

As a fourth aspect for solving the above problems, the present invention provides a communication interface unit for mechanically and electrically coupling a portable terminal and enabling communication with the portable terminal, a projector unit for projecting video data, and outputting audio data. The projector unit, or a button unit for generating a button signal in response to a user's button press, a storage unit for storing at least one module performed by the control unit and data received from the portable terminal through the communication interface or And a control unit for outputting through a speaker unit and transmitting the button signal generated from the button unit to the portable terminal through the communication interface.

As a fifth aspect for solving the above problems, the present invention provides a communication interface unit for mechanically and electrically coupling a keyboard and enabling communication with the keyboard, a display unit for outputting video data, a speaker for outputting audio data, A storage unit for storing at least one module performed by the controller and data output to the display unit or a speaker or transmitted to the keyboard through the communication interface unit, and correspond to a button signal received from the keyboard through the communication interface unit. It provides an input / output device of a portable terminal including the control unit for performing a process.

As a sixth aspect for solving the above problems, the present invention is mechanically and electrically coupled to a portable terminal, receives and outputs data from the portable terminal, generates a button signal in response to a user's button press, and the button signal And an input / output system including a keyboard for transmitting to the portable terminal and the portable terminal mechanically and electrically coupled to the keyboard, transmitting data to the keyboard, and performing a process corresponding to the button signal received from the keyboard. To provide.

The input / output system and its operation method according to the present invention facilitate user input and provide a larger screen, leading to user satisfaction.

1 is a diagram illustrating an input / output device of a portable terminal according to an embodiment of the present invention;
2 is a block diagram illustrating an input / output device of a portable terminal according to an embodiment of the present invention;
3 to 8 are views illustrating a user interface related to input and output of a portable terminal according to an embodiment of the present invention;
9 is a communication flowchart of an input / output device of a portable terminal according to an embodiment of the present invention.

Hereinafter, the operation principle of the present invention will be described in detail with reference to the accompanying drawings. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail. The following terms are defined in consideration of the functions of the present invention, and these may be changed according to the intention of the user, the operator, or the like. Therefore, the definition should be based on the contents throughout this specification.

The present invention provides an input / output system and a method of operating the same, which facilitate input to a portable terminal and provide a larger output screen. An input / output system according to an embodiment of the present invention includes a portable terminal and a keyboard that docks the portable terminal. When the portable terminal is docked to the keyboard, the portable terminal and the keyboard are communicatively connected. The portable terminal and the keyboard each constitute a communication interface for transmitting and receiving information with each other. The portable terminal transmits video data or audio data to the keyboard when docking to the keyboard, and the keyboard receives the video data or audio data from the portable terminal through a projector. The audio data projected and received is output through a speaker. In addition, a button signal is generated when a button of the keyboard is pressed, and the keyboard transmits the button signal to the docked portable terminal. The portable terminal proceeds with a process corresponding to the button signal receiving and receiving the button signal from the keyboard.

1 illustrates an input / output system according to an embodiment of the present invention, and FIG. 2 is a block diagram of an input / output system according to an embodiment of the present invention.

1 and 2, the input / output system includes a portable terminal 100 and a keyboard 200 capable of docking the portable terminal 100.

The portable terminal 100 includes a cellular phone, a personal communication system (PCS), a personal data assistant (PDA), an international mobile communication-2000 (IMT2000) terminal, and a fourth generation broadband. It includes all of the system (Broadband system) terminal, etc. The following description will be described with the general configuration of the above examples. The portable terminal 100 includes a communication interface unit 11, an input unit 12, a display unit 13, a storage unit 14, a camera unit 15, a video codec unit 16, an audio codec unit 17, It includes a speaker 18, a microphone 19 and the control unit 10. The communication interface unit 11 has a mechanical, electrical, and software configuration that enables voice communication, video communication, and data communication. In particular, the communication interface 11 enables the keyboard 200 to be mechanically and electrically coupled and to communicate with the keyboard 200. The input unit 12 includes a plurality of buttons, and provides a button signal corresponding to a button pressed by the user to the controller 10. The controller 10 demodulates the video data through the video codec unit 16 and outputs the demodulated video data to the display unit 13. In addition, the controller 10 demodulates audio data through the audio codec unit 17 and outputs the demodulated audio data to the speaker 18. The portable terminal 100 may configure a touch screen unit 110 that receives a user's touch input, provides the control unit 10, and outputs demodulated video data through the video codec unit 16. The storage unit 14 stores a program for controlling the overall operation of the portable terminal 100 and various data input and output when the control operation of the portable terminal is performed. The camera unit 15 photographs a subject to generate video data and provides the same to the video codec unit 16. The video codec unit 16 modulates video data provided from the camera unit 15 and provides the modulated video data to the controller 10. In addition, the video codec unit 16 demodulates the video data provided from the controller 10 and provides the demodulated video data to the display unit 13. The audio codec unit 17 modulates audio data provided from the microphone 19 and provides the modulated audio data to the controller 10. In addition, the audio codec unit 17 demodulates audio data provided from the controller 10 and provides the demodulated audio data to the speaker 18. The controller 10 performs processing and control for voice call, video call, and data communication. In particular, the controller 10 processes and controls an operation related to the keyboard 200.

The keyboard 200 includes a communication interface unit 21, a projector unit 22, a distance sensor unit 23, a button unit 24, a video codec unit 25, an audio codec unit 26, and a speaker 27. And a storage unit 28 and a control unit 20. The communication interface 21 may mechanically and electrically couple the portable terminal 100 to communicate with the portable terminal 100, and a docking unit 211 for seating the portable terminal 100; And a plug connector 212 electrically connected to a socket connector 111 of the portable terminal 100. The projector unit 22 projects video data, and the controller 20 demodulates and demodulates the video data received from the docked portable terminal 100 through the video codec unit 25. Output to the projector unit 22. The speaker 26 outputs audio data, and the controller 20 demodulates and demodulates the audio data received from the docked portable terminal 100 through the audio codec unit 26. Output to the speaker 26. The distance sensor unit 23 measures the projection distance of the projector unit 22 and provides it to the control unit 20, and the control unit 20 corresponds to the projection distance provided from the distance sensor unit 23. The projector unit 22 is focused.

The button unit 24 provides a plurality of buttons and generates a button signal in response to a user's button press, and the controller 20 transmits the button signal through the communication interface 21 to the portable terminal 100. To send). The video codec unit 25 demodulates and demodulates the video data provided from the control unit 20 and provides the demodulated video data to the projector unit 22. The audio codec unit 26 demodulates and demodulates audio data provided from the control unit 20 and provides the demodulated audio data to the speaker 27.

Hereinafter, the interface operation between the portable terminal 100 and the keyboard 200 will be described with reference to the following drawings.

3 to 8 illustrate a user interface related to input and output of a portable terminal according to an embodiment of the present invention.

Referring to FIG. 3, the portable terminal 100 is docked to the keyboard 200 and transmits video data to the keyboard 200. The keyboard 200 receives video data from the portable terminal 100 and demodulates the received video data through the video codec unit 25 and projects the demodulated video data through the projector unit 22. . The keyboard 200 adjusts the focus of the projector unit 22 according to the projection distance measured from the distance sensor unit 23. The keyboard 200 projects a screen having the same contents as the docked portable terminal.

Referring to FIG. 4, the portable terminal 100 is docked to the keyboard 200, and the keyboard 200 projects a screen having the same contents as the portable terminal 100. A user may input a button signal or an interface signal related to text input, control, or the like into the docked portable terminal 100 by pressing a button of the keyboard 200.

The portable terminal 100 applies an operating system that supports multitasking. For example, the portable terminal 100 can operate a first program in the foreground and a second program in the background. The program (process) operating in the foreground is displayed on the screen of the portable terminal 100, while the program (process) operating in the background is not displayed on the screen of the portable terminal 100.

Referring to FIG. 5, the portable terminal 100 docks the keyboard 200, operates by switching a program operating in the foreground to the background, and performs video data of a program operating in the background on the keyboard 200. To send. The keyboard 200 receives the video data from the portable terminal 100 and projects the video data through the projector unit 22. For example, when the portable terminal 100 is docked to the keyboard 200, the portable terminal 100 operates a home screen program in the background and provides video data of the home screen program to the keyboard 200. The home screen program provides a home screen, and the home screen refers to an initial screen providing a user interface object such as a shortcut or an icon. In addition, the portable terminal 100 operates a touch pad program that provides a pointer to the home screen in the foreground. When there is a touch drag on the touch screen 110, the touch pad program provides movement information of a pointer corresponding to the touch drag to the home screen program operating in the background. The home screen program receives the movement information from the touch pad program and performs a background operation of moving a pointer on the home screen according to the received movement information, and the portable terminal 100 performs a video on this. Data is transmitted to the keyboard 200. The keyboard 200 receives the video data from the portable terminal 100 and projects the video data through the projector unit 22. The keyboard 200 projects an image of moving a pointer on a home screen. In addition, on the screen projected by the keyboard 200, when the user confirms that the pointer is placed on the icon and double taps the touch screen 110, the portable terminal 100 backgrounds the program for the icon. It works. In addition, the portable terminal 100 transmits video or audio data of the program operating in the background to the keyboard 200. The keyboard 200 projects the video data or audio data received from the portable terminal 100 through the projector unit 22 to project the video data or audio data to the speaker 27. Output through

Referring to FIG. 6, the portable terminal 100 is docked to the keyboard 200 and operates the graphical keypad program in the foreground, and the calculator program in the background. The portable terminal 100 transmits video data of the calculator program to the keyboard 200. The keyboard 200 receives the video data from the portable terminal 100 and projects the video data through the projector unit 22. The graphical keypad program operating in the foreground provides a button signal corresponding to the button to the calculator program running in the background when a button is pressed. The calculator program receives the button signal from the graphic keypad program and operates a corresponding function (eg, text input, calculation execution, etc.) in the background according to the button signal received, and the portable terminal 100 performs video data therefor. To transmit to the keyboard 200. The keyboard 200 receives the video data from the portable terminal 100 and projects the video data through the projector unit 22.

Referring to FIG. 7, the portable terminal 100 operates the first program in the foreground and the second program in the background. The portable terminal 100 is docked to the keyboard 200 and routes the video data or audio data of the second program to be output to the keyboard 200. The keyboard 200 receives the video data or the audio data of the second program from the portable terminal 100 and projects the received video data through the projector unit 110 to receive the audio data. Output through the speaker 27. In addition, the portable terminal 100 outputs video data of the first program through the touch screen unit 110 and outputs audio data of the first program through the speaker 18.

As a result, the keyboard 200 outputs video data or audio data of a program in which the portable terminal 100 operates in the background through the projector unit 22 or the speaker 27. According to this embodiment, the user may write a text message using the portable terminal 100 while watching the video projected through the keyboard 200.

Referring to FIG. 8, the portable terminal 100 provides a web browsing function, and may access a mobile URL or a PC URL. The portable terminal 100 operates the mobile web browsing program for accessing the mobile URL in the foreground and the PC web browsing program for accessing the URL for the PC in the background. The portable terminal 100 routes the video data or audio data of the PC web browsing program executed in the background to be outputted to the keyboard 200. The keyboard 200 receives the video data or audio data of the web browsing program for the PC from the portable terminal 100, and the audio data for projecting and receiving the received video data through the projector unit 22. It is output through the speaker 27. In addition, the portable terminal 100 outputs video data of the mobile web browsing program through the touch screen unit 110 and outputs audio data of the mobile web browsing program through the speaker 18.

9 is a communication flowchart of an input / output device of a portable terminal according to an embodiment of the present invention.

9, the portable terminal 100 is docked to the keyboard 200 and connected to each other (step 901). The portable terminal 100 and the keyboard 200 synchronize the data transmission and eliminate the delay time difference for data transmission between each other, or compensate for the delay time difference through a separate delay time difference compensation algorithm.

The portable terminal 100 transmits multimedia data to the keyboard 200 (step 903). The multimedia data includes video data and audio data. The multimedia data transmitted to the keyboard 200 may be determined by the user. For example, the user may select one of video data or audio data of a program running in the background, video data or audio data of a program running in the foreground. Can be. According to such an embodiment, the keyboard 200 may project a screen having the same contents as the portable terminal 100 or a screen having different contents. In addition, when a user presses a button of the keyboard 200 to generate a button signal (step 907), the keyboard 200 transmits the generated button signal to the portable terminal 100 (step 909). The portable terminal 100 proceeds to a process corresponding to the button signal received from the keyboard 200 (step 911), and the portable terminal 100 and the keyboard 200 perform the steps of 903 or less.

Methods according to embodiments of the invention described in the claims and / or in the specification may be implemented in hardware, software, or a combination of hardware and software.

When implemented in software, a computer-readable storage medium storing one or more programs (software modules) may be provided. One or more programs stored in a computer readable storage medium are configured for execution by one or more processors in the keyboard or portable terminal. One or more programs include instructions that cause the keyboard or portable terminal to execute methods according to the embodiments described in the claims and / or specifications of the present invention.

Such programs (software modules, software) may be stored in a computer readable medium such as a random access memory, a non-volatile memory including a flash memory, a ROM (Read Only Memory), an electrically erasable programmable ROM (EEPROM), a magnetic disc storage device, a compact disc-ROM (CD-ROM), a digital versatile disc (DVDs) An optical storage device, or a magnetic cassette. Or a combination of some or all of these. In addition, a plurality of constituent memories may be included.

In addition, the keyboard or the portable terminal is a communication network consisting of a communication network such as the Internet, an intranet, a local area network (LAN), a wide area network (WLAN), or a storage area network (SAN), or a combination thereof. It may be stored in an attachable storage device that is accessible through a network. Such a storage device may access the keyboard or the portable terminal through an external port.

While the present invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not limited to the disclosed embodiments. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined not only by the scope of the following claims, but also by the equivalents of the claims.

Claims (25)

Receiving and outputting data from mechanically and electrically coupled portable terminals; and
Generating a button signal in response to a user's button press and transmitting the button signal to the mechanically and electrically coupled portable terminal.
The method of claim 1,
Receiving and outputting data from the mechanically and electrically coupled portable terminal,
An input / output method of a keyboard for projecting the data through a projector or outputting through a speaker.
The method of claim 2,
Receiving and outputting data from the mechanically and electrically coupled portable terminal,
A keyboard input / output method for detecting a projection distance and focusing the projector unit corresponding to the detected projection distance.
Transferring data to the keyboard mechanically and electrically coupled; and
And performing a process corresponding to the button signal for receiving a button signal from the mechanically and electrically coupled keyboard.
5. The method of claim 4,
Transferring data to the mechanically and electrically coupled keyboard comprises:
An input / output method of a portable terminal for transmitting video data or audio data of a program operating in the background to the mechanically and electrically coupled keyboard.
6. The method of claim 5,
Transferring data to the mechanically and electrically coupled keyboard comprises:
Input / output method of a portable terminal operating by switching a program running in the foreground to the background.
5. The method of claim 4,
Transferring data to the mechanically and electrically coupled keyboard comprises:
An input / output method of a portable terminal for transmitting video data or audio data of a program operating in the foreground to the mechanically and electrically coupled keyboard.
Mechanically and electrically coupling the keyboard and the portable terminal;
Transmitting data by the portable terminal to the keyboard;
The keyboard receiving the data from the portable terminal and outputting the data received;
Generating a button signal by the keyboard in response to a user's button press and transmitting the button signal to the portable terminal; and
And performing, by the portable terminal, a process corresponding to the button signal for receiving the button signal from the keyboard.
The method of claim 8,
The keyboard receiving the data from the portable terminal and outputting the data received,
An operation method of the input / output system for projecting the data through the projector unit or output through the speaker.
The method of claim 9,
The keyboard receiving the data from the portable terminal and outputting the data received,
A method for operating an input / output system for detecting a projection distance and focusing the projector unit corresponding to the detected projection distance.
The method of claim 8,
The step of transmitting data to the keyboard by the portable terminal,
A method of operating an input / output system for transmitting video data or audio data of a program running in the background to the keyboard.
12. The method of claim 11,
The step of transmitting data to the keyboard by the portable terminal,
Operating method of the input and output system to operate the mobile terminal by switching the program running in the foreground to the background.
The method of claim 8,
The step of transmitting data to the keyboard by the portable terminal,
A method of operating an input / output system for transmitting video data or audio data of a program operating in the foreground to the keyboard.
A communication interface unit which mechanically and electrically couples the portable terminal and enables communication with the portable terminal;
A projector unit for projecting video data;
A speaker for outputting audio data;
A button unit generating a button signal in response to a user's button press;
A storage unit for storing at least one module executed by the controller;
And a control unit for outputting data received from the portable terminal through the communication interface through the projector unit or the speaker unit, and transmitting the button signal generated from the button unit to the portable terminal through the communication interface. Input and output devices.
The method of claim 14,
And a distance sensor unit for detecting a projection distance, wherein the control unit focuses the projector unit corresponding to the projection distance detected from the distance sensor unit.
A communication interface for mechanically and electrically coupling a keyboard and enabling communication with the keyboard;
A display unit for outputting video data;
A speaker for outputting audio data;
A storage unit for storing at least one module executed by the controller;
And a controller for outputting data to the display unit or a speaker or transmitting the data to the keyboard through the communication interface unit, and performing a process corresponding to a button signal received from the keyboard through the communication interface unit. .
17. The method of claim 16,
The control unit,
An input / output device of a portable terminal for transmitting video data or audio data of a program running in the background to the keyboard.
18. The method of claim 17,
The control unit,
An input / output device of a portable terminal for switching a program running in the foreground to the background and running the program.
17. The method of claim 16,
The control unit,
An input / output device of a portable terminal for transmitting video data or audio data of a program operating in the foreground to the keyboard.
A keyboard that is mechanically and electrically coupled to a portable terminal, receives and outputs data from the portable terminal, generates a button signal in response to a user's button presses, and transmits the button signal to the portable terminal;
And a portable terminal coupled mechanically and electrically to the keyboard, transmitting data to the keyboard, and performing a process corresponding to the button signal received from the keyboard.
The method of claim 20,
The keyboard,
An input / output system including a projector unit or a speaker and projecting data received from the portable terminal through the projector unit or outputting through the speaker.
22. The method of claim 21,
The keyboard,
And a distance sensor unit for detecting a projection distance, and focusing the projector unit corresponding to the projection distance detected from the distance sensor unit.
The method of claim 20,
The portable terminal includes:
An input / output system for transmitting video data or audio data of a program running in the background to the keyboard.
24. The method of claim 23,
The portable terminal includes:
Input / output system that operates by switching the program operating in the foreground to the background when combined with the keyboard mechanically and electrically.
The method of claim 20,
The portable terminal includes:
An input / output system for transmitting video data or audio data of a program operating in the foreground to the keyboard.
KR1020120030437A 2012-03-26 2012-03-26 Input/output system and thereof operating method KR20130108755A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150002840U (en) * 2014-01-10 2015-07-20 리앙, 후이-핀 Projection keyboard for portable communication device
US11074024B2 (en) 2017-12-15 2021-07-27 Samsung Electronics Co., Ltd. Mobile device for interacting with docking device and method for controlling same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150002840U (en) * 2014-01-10 2015-07-20 리앙, 후이-핀 Projection keyboard for portable communication device
US11074024B2 (en) 2017-12-15 2021-07-27 Samsung Electronics Co., Ltd. Mobile device for interacting with docking device and method for controlling same

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