# Patent

## Title
Method for controlling bidirectional remote controller and bidirectional remote controller implementing the method

## Abstract

A method for controlling a bidirectional remote controller is provided. The method includes receiving, at the bidirectional remote controller, menu information from a display apparatus; generating, at the bidirectional remote controller, a menu screen based on the received menu information for controlling the display apparatus; and displaying the generated menu screen on a display of the bidirectional remote controller.

## Background
PRIORITY
This application is a Continuation of U.S. application Ser. No. 13/177,091, filed on Jul. 6, 2011, which claims priority from Korean Patent Application No. 10-2010-0101962, filed on Oct. 19, 2010 in the Korean Intellectual Property Office, the disclosures of which are incorporated herein in their entirety by reference.


BACKGROUND
1. Field
Methods and apparatuses consistent with exemplary embodiments relate generally to a method for controlling a bidirectional remote controller and a bidirectional remote controller implementing the method, and more particularly, to a method for controlling a bidirectional remote controller and a bidirectional remote controller implementing the method, which can control a display device.
2. Description of the Related Art
Generally, a remote controller is a device that remotely controls electronic appliances, such as a television receiver, a DVD (Digital Versatile Disc), a VCR (Video Cassette Recorder), a cable broadcasting device, a set top box, an audio device, and the like through wireless transmission of a control frequency. For this, the remote controller transmits a control signal to a remotely controlled electronic appliance, for example, using an infrared signal.
For example, as illustrated in FIG. 1, a display device 110 unidirectionally receives only a simple signal, such as a channel change signal, a volume control signal, and the like, by a remote controller 120.
However, in controlling a display device 110 such as a television receiver, a menu screen is displayed using an on-screen display (OSD). However, as the functions and complexity of processing and displaying images on the screen are increased, it is inconvenient to input navigation, selection, and characters of OSD on the screen using a remote controller.
For example, since a user is required to search for and set a desired function, such as when reviewing an instruction manual in a display device, the user looks at instruction manual on the screen, exits the OSD containing the instruction manual, and returns to another OSD of the screen to perform the desired operation. Also, there is an increasing need for a special pointing device or character input function in order to perform Internet browsing.
SUMMARY
Aspects of exemplary embodiments address at least the above problems and/or disadvantages and to provide at least the advantages described below. Accordingly, an aspect of an exemplary embodiment provides a method for controlling a bidirectional remote controller and a bidirectional remote controller implementing the method, which can directly transmit settings desired by a user to a display device.
According to an aspect of an exemplary embodiment, there is provided a method for controlling a bidirectional remote controller, the method including the bidirectional remote controller receiving and displaying a menu screen from a display device; selecting a menu from the displayed menu screen; and transmitting at least one of a control command for displaying an active window that corresponds to the selected menu and a control command for executing a function that corresponds to the selected menu on the display device to the display device.
The bidirectional remote controller may be a remote controller that includes a touch screen remote controller or a display unit.
The menu screen may include at least one of an OSD menu screen and an e-manual screen of the display device.
The OSD menu screen may be a screen for setting a screen or sound of the display device.
The menu screen may be received in an Extensible Markup Language (XML) data format from the display device.
The displaying of the active window may include installing a program for configuring the menu screen received in the XML data format in the remote controller.
The method for controlling a bidirectional remote controller may further include receiving a user input from a user; and transmitting data that corresponds to the user input to the display device.
The control command for displaying the active window that corresponds to the selected menu screen on the display device may be a control command for immediately displaying the active window on the display device in the case where any one menu is selected by a user from the displayed menu screen in the remote controller.
Each active window that corresponds to the selected menu may have its inherent identifier (ID), and the control command for displaying the active window that corresponds to the selected menu screen may include the inherent ID.
The transmitting the at least one of the control commands to the display device may include transmitting the control commands that correspond to the plurality of menus individually or collectively when the plurality of menus are selected.
The control command may include a control command for storing the data input by the remote controller in the display device.
According to an aspect of another exemplary embodiment, there is provided a bidirectional remote controller including a reception unit receiving a menu screen for controlling a display device from the display device; a display unit displaying the menu screen received by the reception unit; a function execution unit generating at least one of a control command for displaying an active window that corresponds to the selected menu and a control command for executing a function that corresponds to the selected menu on the display device when at least one menu is selected from the menu screen; and a transmission unit transmitting the generated control command to the display device.
The menu screen may include at least one of an OSD menu screen and an e-manual screen of the display device.
The OSD menu screen may be a screen for setting a screen or sound of the display device.
The reception unit may receive the menu screen in an XML data format from the display device.
The display unit may install the menu screen received in the XML data format in the bidirectional remote controller.
The bidirectional remote controller according to an exemplary embodiment may further include a user command input unit receiving a user input from a user, and the transmission unit may transmit data that corresponds to the user input to the display device.
The transmission unit may transmit a control command for immediately displaying the active window to the display device in the case where any one menu is selected by a user from the displayed menu screen in the remote controller.
Each active window that corresponds to the selected menu may have its inherent ID, and the control command for displaying the active window that corresponds to the selected menu screen may include the inherent ID.
The transmission unit may transmit the control commands that correspond to the plurality of menus individually or collectively when the plurality of menus are selected.
The control command may include a control command for storing the data input by the remote controller in the display device.
According to other exemplary embodiments, a user can directly transmit settings desired by the user to the display device as the user confirms the setting and operation screen of the display device.



BRIEF DESCRIPTION OF THE DRAWINGS
The above and/or other aspects, of the exemplary embodiments will be more apparent from the following detailed description when taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a diagram illustrating an example in which a remote controller controls a display device;
FIG. 2 is a diagram illustrating an example in which a bidirectional remote controller according to an exemplary embodiment controls a display device;
FIG. 3 is a brief block diagram of a bidirectional remote controller according to an exemplary embodiment illustrated in FIG. 2; and
FIG. 4 is a flowchart illustrating a method for controlling a bidirectional remote controller according to an exemplary embodiment.



DETAILED DESCRIPTION OF EXEMPLARY EMBODIMENTS
Hereinafter, exemplary embodiments are described in detail with reference to the accompanying drawings. For reference, in explaining the exemplary embodiments, detailed descriptions of constructions or processes known in the art may be omitted to avoid obscuring the subject matter of the exemplary embodiments.
FIG. 2 is a diagram illustrating an example in which a bidirectional remote controller according to an exemplary embodiment controls a display device.
As illustrated in FIG. 2, a bidirectional remote controller 220 according to an exemplary embodiment performs bidirectional communication with a display device 210.
Also, the display device 210 may transmit an OSD menu screen for control of the display device to the bidirectional remote controller 220, and the bidirectional remote controller 220 may transmit a control command for displaying an active window that corresponds to a menu screen selected by a user or a control command for executing a function that corresponds to the menu screen selected by the user to the display device 210.
Accordingly, an OSD menu screen for controlling screen brightness, contrast, and the like is displayed on the bidirectional remote controller.
FIG. 3 is a brief block diagram of a bidirectional remote controller according to an exemplary embodiment illustrated in FIG. 2. As illustrated in FIG. 3, the bidirectional remote controller 220 includes a reception unit 221, a display unit 223, a function execution unit 225, a transmission unit 227, and a user command input unit 229.
The reception unit 221 receives the menu screen for controlling the display device 210 from the display device 210.
In an exemplary embodiment, the reception unit 221 may receive the menu screen in an XML data format from the display device 210.
Here, the XML data format represents a method for describing schema using an XML (Extensible Markup Language) grammar, and is an XML application for defining metadata schema.
In an exemplary embodiment, the menu screen may include at least one of an OSD menu screen and an e-manual screen of the display device.
Here, the OSD menu screen may be a screen for setting a screen or sound of the display device.
In other words, through the menu screen, the OSD, manual, and the like of the display device 210 that is a main video appliance can be received.
For example, the OSD may be an OSD menu screen for setting a screen or sound of the display device or an e-manual that is a user guide for the display device.
Accordingly, the bidirectional remote controller according to an exemplary embodiment can directly receive the OSD screen for controlling the display device, and can set the screen or sound desired by the user.
The display unit 223 of the bidirectional remote controller 220 outputs the menu screen received by the reception unit 221 from the display device 210.
Here, the bidirectional remote controller 220 may be a remote controller that includes a touch screen or a display unit.
In other words, since the bidirectional remote controller 220 according to an exemplary embodiment receives the OSD screen or the like from the display device 210 and displays the OSD screen on the bidirectional remote controller 220, the bidirectional remote controller 220 should include a display unit such as a touch screen.
Also, in an exemplary embodiment, the display unit 223 of the bidirectional remote controller 220 may install a program in the bidirectional remote controller 220 for configuring the menu screen received by the reception unit 221 in the XML data format.
Accordingly, it is necessary to install the OSD screen received from the display device 210 in the bidirectional remote controller 220 in order to control the display device.
If at least one menu is selected from the menu screen, the function execution unit 225 generates at least one of the control command for displaying an active window that corresponds to the selected menu and the control command for executing a function that corresponds to the selected menu on the display device.
In other words, if the user selects any one of the OSD menu screen or e-manual screen received from the display device 210, the function execution unit 225 generates the control command that executes the function that corresponds to the selected item.
The transmission unit 227 transmits the control command generated by the function execution unit 225 to the display device 210.
In an exemplary embodiment, the transmission unit 227 can transmit the control command for immediately displaying the active window to the display device 210 in the case where any one of the menu screens displayed on the bidirectional remote controller 220 is selected by the user.
In other words, if the user selects any one of diverse menu items on the remote controller, the transmission unit of the bidirectional remote controller according to an exemplary embodiment transmits the control command for immediately displaying the active window that corresponds to the selected menu item on the display device 210 to the display device 210. Accordingly, the user can perform all settings for the screen or sound on the bidirectional remote controller 220 without the necessity of operating the OSD menu screen on the display device 210.
Here, the active window that corresponds to the selected menu screen may have its inherent ID, and the control command for displaying the active window that corresponds to the selected menu screen may include the inherent ID.
In other words, in order to immediately display the active window that corresponds to the menu screen selected on the bidirectional remote controller 220 on the display device 210, the inherent ID such as an index ID is given to each active window that corresponds to the menu screen selected on the bidirectional remote controller 220, and if the inherent ID that displays the active window is included in the control command, the display device 210 immediately displays the active window that corresponds to the inherent ID transmitted from the bidirectional remote controller 220.
In an exemplary embodiment, if a plurality of menus are selected, the transmission unit 227 may transmit the control commands that correspond to the plurality of menus individually or collectively.
In other words, the transmission unit 227 may individually transmit the control command according to the menu selected by the user in the function execution unit whenever the control command is generated, or may collectively transmit the control command to the display device after all settings are completed.
Here, the control command may include a control command for storing the data input by the bidirectional remote controller 220 in the display device 210.
In other words, the control command may include not only the control command according to the menu screen for controlling the display device 210 through the remote controller but also the control command for storing the user input data, such as characters input through the remote controller or setting data changed by the bidirectional remote controller 220, in the display device 210.
The user command input unit 229 receives the user input from the user.
That is, the function execution unit 225 receives the user input for executing a function that corresponds to the menu selected by the user.
In an exemplary embodiment, the transmission unit 227 may transmit the data that corresponds to the user input received by the user command input unit 229 to the display device 210.
For example, the character input data input through the user command input unit can be transmitted to the display device 210.
Also, in an exemplary embodiment, the bidirectional remote controller 220 can perform not only the function of a remote controller for one display device but also the function of an integrated remote controller for a plurality of display devices.
Accordingly, the bidirectional remote controller 220 according to diverse exemplary embodiments can immediately transmit the settings desired by the user to the display device 210 for storage as the user watches the setting and operation explanation of the display device on the remote controller in the case of using contents such as an e-manual or the like. Also, it is possible to freely operate the OSD menu screen on the screen without discriminating the OSD menu screens displayed on the display device. Also, in the case of setting navigation of the OSD menu screen using the bidirectional remote controller 220, the user's input of touch, instruction, character input, and the like, can be freely performed.
Hereinafter, a method for controlling a bidirectional remote controller 220 according to an exemplary embodiment will be described. In the following description, explanation that overlaps the above-described explanation of the bidirectional remote controller according to an embodiment of the invention will be omitted.
FIG. 4 is a flowchart illustrating a method for controlling a bidirectional remote controller according to an embodiment of the invention.
First, the bidirectional remote controller 220 receives a menu screen from the display device 210 and displays the menu screen (S410).
Here, the bidirectional remote controller 220 may be a remote controller that includes a touch screen remote controller or a display unit. In other words, since the bidirectional remote controller 220 according to an exemplary embodiment receives the OSD screen or the like from the display device 210 and displays the OSD screen on the bidirectional remote controller 220, it should include a display unit such as a touch screen.
In an exemplary embodiment, the menu screen may include at least one of an OSD menu screen and an e-manual screen of the display device 210.
Here, the OSD menu screen may be a screen for setting a screen or sound of the display device.
In other words, through the menu screen, the OSD, manual, and the like, of the display device 210 that is a main video appliance can be received from the display device 210.
For example, the OSD may be an OSD menu screen for setting a screen or sound of the display device 210 or an e-manual that is a user guide for the display device 210.
Accordingly, the bidirectional remote controller 220 according to an exemplary embodiment can directly receive the OSD screen for controlling the display device 210, and can set the screen or sound desired by the user.
In an exemplary embodiment, the menu screen may be received in an XML data format from the display device 210.
Here, receiving the menu screen from the display device 210 and displaying the menu screen on the bidirectional remote controller 220 may include installing a program for configuring the menu screen received in the XML data format in the bidirectional remote controller 220.
This is because an installation program for displaying the OSD screen received from the display device is required in order to receive the OSD screen for controlling the display device 210 in the bidirectional remote controller 220 and to control the display device 210 accordingly.
Next, a menu is selected from the menu screen displayed in operation S410 (S430).
According to the method for controlling a bidirectional remote controller 220 according to an exemplary embodiment, a user selects any one of the OSD menu screen and e-manual received from the display device 210.
Last, at least one of a control command for displaying an active window that corresponds to the menu screen selected in operation S430 and a control command for executing a function that corresponds to the selected menu on the display device 210 is transmitted to the display device 210 (S450).
Here, the method for controlling a bidirectional remote controller 220 according to an exemplary embodiment may further include receiving a user input from the user and transmitting data that corresponds to the user input to the display device 210.
In an exemplary embodiment, the control command for displaying the active window that corresponds to the selected menu screen on the display device 210 may be a control command for immediately displaying the active window in the case where any one menu is selected by the user from the menu screens displayed on the bidirectional remote controller 220.
In other words, if the user selects any one of diverse menu items on the bidirectional remote controller 220, the control command for immediately displaying the active window that corresponds to the selected menu item on the display device 210 is transmitted to the display device 210. Accordingly, the user can perform all settings for the screen or sound on the bidirectional remote controller 220 without the necessity of operating the OSD menu screen on the display device 210.
Here, the active window that corresponds to the selected menu screen may have its inherent ID, and the control command for displaying the active window that corresponds to the selected menu screen may include the inherent ID.
Therefore, in order to immediately display the active window that corresponds to the menu screen selected on the bidirectional remote controller 220 on the display device 210, the inherent ID such as an index ID is given to each active window that corresponds to the menu screen selected on the bidirectional remote controller 220, and if the inherent ID that displays the active window is included in the control command, the display device 210 immediately displays the active window that corresponds to the inherent ID transmitted from the bidirectional remote controller. 220
In an exemplary embodiment, if a plurality of menus are selected, operation S450 may transmit the control commands individually or collectively.
In other words, the control command according to the menu selected by the user may be individually transmitted whenever the control command is generated, or may be collectively transmitted to the display device 210 after all settings are completed.
Here, the control command may include a control command for storing the data input by the remote controller in the display device.
In other words, the control command may include not only the control command according to the menu screen for controlling the display device 210 through the bidirectional remote controller 220 but also the control command for storing the user input data, such as characters input through the remote controller or setting data changed by the bidirectional remote controller 220, in the display device 210.
Accordingly, the method for controlling a bidirectional remote controller 220 according to diverse exemplary embodiments can immediately transmit the settings desired by the user to the display device 210 for storage as the user watches the setting and operation explanation of the display device 210 on the remote controller in the case of using contents such as an e-manual or the like. Also, it is possible to freely operate the OSD menu screen on the screen without discriminating the OSD menu screens displayed on the display device 210. Also, in the case of setting navigation of the OSD menu screen using the bidirectional remote controller 220, the user's input of touch, instruction, character input, and the like, can be freely performed.
While the inventive concept has been shown and described with reference to certain exemplary embodiments thereof, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the inventive concept, as defined by the appended claims.

## Claims

1. A method for controlling a remote controller, the method comprising:
receiving, at the remote controller, information for generating a menu screen from a display apparatus;
generating the menu screen including a plurality of menu items based on the received information;
displaying the generated menu screen on a touch display unit of the remote controller;
in response to a user input for selecting a first menu item among the plurality of menu items in the menu screen, generating a first control signal including identification information corresponding to the selected menu item for the display apparatus to display a screen corresponding to the identification information immediately;
in response to a user input for selecting a second menu item among the plurality of menu items in the menu screen, generating a second control signal to control the display apparatus without changing a screen currently displayed in the display apparatus; and
transmitting to the display apparatus either the first control signal or the second control signal,
wherein each of the plurality of menu items corresponds to each of a plurality of screens displayable in the display apparatus.

2. The method for controlling the remote controller as claimed in claim 1, wherein the user input on the menu screen does not affect a display status of the display apparatus until the first or second control signal is transmitted.

3. The method for controlling the remote controller as claimed in claim 1, wherein the display apparatus displays the screen immediately, in response to receiving the first control signal.

4. The method for controlling the remote controller as claimed in claim 1, wherein the menu screen comprises at least one of an on-screen display (OSD) menu screen and an e-manual screen of the display apparatus.

5. The method for controlling the remote controller as claimed in claim 4, wherein the OSD menu screen is a screen for setting a screen or sound of the display apparatus.

6. The method for controlling the remote controller as claimed in claim 1, wherein the menu information is encoded in an Extensible Markup Language (XML) data format.

7. The method for controlling the remote controller as claimed in claim 1, wherein the first or second control signal is for storing data input by the remote controller in the display apparatus.

8. A non-transitory computer readable recordable medium having recorded thereon a program which is executable by a computer to perform the method for controlling the remote controller as claimed in claim 1.

9. A method for controlling a display apparatus by an external device, the method comprising:
transmitting, from the display apparatus, information on plurality of menu items for generating a menu screen to the external device;
receiving, at the display apparatus, a first control signal including identification information corresponding to a first menu item selected from among the plurality of menu items included in the menu screen generated and displayed by the external device for the display apparatus to display a screen corresponding to the identification information immediately;
receiving, at the display apparatus, a second control signal from the external device, the second control signal corresponding to a second menu item selected from among the plurality of menu items included in the menu screen generated and displayed by the external device to control the display apparatus without changing a screen currently displayed in the display apparatus; and
in response to the receiving the first control signal, displaying the screen corresponding to the identification information immediately according to the first control signal;
in response to the receiving the second control signal, controlling the display apparatus according to the second control signal without changing the screen currently displayed in the display apparatus,
wherein each of the plurality of menu items corresponds to each of a plurality of screens displayable in the display apparatus.

10. The method for controlling a display apparatus by an external device as claimed in claim 9, wherein in response to information to display the screen which corresponds to the identification information being included in the first control signal, the controller displays the screen immediately.

11. The method for controlling a display apparatus by an external device as claimed in claim 9, further comprising:
controlling the display apparatus based on a user input through the menu screen displayed on a touch display unit of the external device; and
performing, at the display apparatus, a function corresponding to the received second control signal.

12. The method for controlling a display apparatus by an external device as claimed in claim 9, wherein the function corresponding to the received second control signal is for setting a screen or sound of the display apparatus.

13. The method for controlling a display apparatus by an external device as claimed in claim 9, wherein the information on plurality of menu items is encoded in an Extensible Markup Language (XML) data format.

14. The method for controlling a display apparatus by an external device as claimed in claim 9, wherein the first or second control signal is for storing data input by the external device in the display apparatus.

15. A remote controller comprising:
a communication unit configured to receive information for generating a menu screen from a display apparatus for controlling the display apparatus;
a display unit; and
a control unit configured:
to generate the menu screen including a plurality of menu items based on the received information and to control the display unit to display the menu screen including a plurality of menu items,
in response to a user input for selecting a first menu item among the plurality of menu items in the menu screen, to generate a first control signal including identification information corresponding to the selected menu item for the display apparatus to display a screen corresponding to the identification information immediately, and
in response to a user input for selecting a second menu item among the plurality of menu items in the menu screen, to generate a second control signal to control the display apparatus without changing a screen currently displayed in the display apparatus and to transmit to the display apparatus either the first control signal or the second control signal,

wherein each of the plurality of menu items corresponds to each of a plurality of screens displayable in the display apparatus.

16. The remote controller as claimed in claim 15, wherein user input on the menu screen does not affect a display status of the display apparatus until the first or second control signal is transmitted.

17. The remote controller as claimed in claim 15, wherein the display apparatus displays the screen immediately, in response to receiving the first control signal.

18. The remote controller as claimed in claim 15, wherein the menu screen comprises at least one of an on-screen display (OSD) menu screen and an e-manual screen of the display apparatus.

19. The remote controller as claimed in claim 18, wherein the OSD menu screen is a screen for setting a screen or sound of the display apparatus.

20. The remote controller as claimed in claim 15, wherein the menu information is encoded in an Extensible Markup Language (XML) data format.

21. The remote controller as claimed in claim 15, wherein the first or second control signal is for storing data input by the remote controller in the display apparatus.

22. A display apparatus comprising:
a display;
a storage configured to store a plurality of menu items;
a communicator configured to communicate with an external device;
a controller configured:
to control the communicator to transmit information on the plurality of the menu items to the external device for the external device to generate and display a menu screen including the plurality of menu items based on the information, to receive a first control signal including identification information corresponding to a first menu item selected from among the plurality of menu items included in the menu screen generated and displayed by the external device for the display apparatus to display a screen corresponding to the identification information immediately, and to receive a second control signal from the external device via the communicator, the second control signal corresponding to a second menu item selected from among the plurality of menu items included in the menu screen generated and displayed by the external device to control the display apparatus without changing a screen currently displayed in the display apparatus, and
to control the display to display the screen corresponding to the identification information immediately according to the first control signal, in response to receiving the first control signal, and to control the display apparatus according to the second control signal without changing the screen currently displayed in the display apparatus, in response to receiving the second control signal,

wherein each of the plurality of menu items corresponds to each of a plurality of screens displayable in the display apparatus.

23. The display apparatus as claimed in 22, wherein in response to information to display the screen which corresponds to the identification information being included in the first control signal, the controller displays the screen immediately.

24. The display apparatus as claimed in claim 22, wherein user input on the external device does not affect the display of the display apparatus until the first or second control signal is received.

25. The display apparatus as claimed in claim 22, wherein the controller controls the display apparatus based on a user input received through menu screen displayed on a touch display of the external device, and performs a function corresponding to the received second control signal, the menu screen being generated based on the information on the plurality of the menu items.

26. The display apparatus as claimed in claim 23, wherein the controller controls the display to display the screen immediately, in response to receiving the identification information.