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US20090174653A1 - Method for providing area of image displayed on display apparatus in gui form using electronic apparatus, and electronic apparatus applying the same - Google Patents

Method for providing area of image displayed on display apparatus in gui form using electronic apparatus, and electronic apparatus applying the same Download PDF

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Publication number
US20090174653A1
US20090174653A1 US12126092 US12609208A US2009174653A1 US 20090174653 A1 US20090174653 A1 US 20090174653A1 US 12126092 US12126092 US 12126092 US 12609208 A US12609208 A US 12609208A US 2009174653 A1 US2009174653 A1 US 2009174653A1
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US
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Patent type
Prior art keywords
unit
remote
apparatus
user
image
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US12126092
Inventor
Chang-beom Shin
Han-chul Jung
O-jae Kwon
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/12Synchronisation between the display unit and other units, e.g. other display units, video-disc players
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRICAL DIGITAL DATA PROCESSING
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    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • GPHYSICS
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    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0346Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of the device orientation or free movement in a 3D space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors
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    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • GPHYSICS
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    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
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    • GPHYSICS
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    • G06F3/048Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0481Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
    • G06F3/0482Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance interaction with lists of selectable items, e.g. menus
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    • G06F3/04842Selection of a displayed object
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    • G06F3/0484Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object or an image, setting a parameter value or selecting a range
    • G06F3/04845Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object or an image, setting a parameter value or selecting a range for image manipulation, e.g. dragging, rotation
    • GPHYSICS
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    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0484Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object or an image, setting a parameter value or selecting a range
    • G06F3/04847Interaction techniques to control parameter settings, e.g. interaction with sliders, dials
    • GPHYSICS
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    • G06FELECTRICAL DIGITAL DATA PROCESSING
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    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRICAL DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/14Digital output to display device; Cooperation and interconnection of the display device with other functional units
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRICAL DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/14Digital output to display device; Cooperation and interconnection of the display device with other functional units
    • G06F3/1454Digital output to display device; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRICAL DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/14Digital output to display device; Cooperation and interconnection of the display device with other functional units
    • G06F3/1454Digital output to display device; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
    • G06F3/1462Digital output to display device; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay with means for detecting differences between the image stored in the host and the images displayed on the remote displays
    • HELECTRICITY
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    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television, VOD [Video On Demand]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/422Structure of client; Structure of client peripherals using Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. Global Positioning System [GPS]
    • H04N21/42204User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H04N21/42206User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
    • H04N21/42207Interfaces providing bidirectional communication between remote control devices and client devices
    • HELECTRICITY
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    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/422Structure of client; Structure of client peripherals using Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. Global Positioning System [GPS]
    • H04N21/42204User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H04N21/42206User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
    • H04N21/42208Display device provided on the remote control
    • H04N21/42209Display device provided on the remote control for displaying non-command information, e.g. electronic program guide [EPG], e-mail, messages or a second television channel
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
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    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/422Structure of client; Structure of client peripherals using Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. Global Positioning System [GPS]
    • H04N21/42204User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H04N21/42206User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
    • H04N21/42222Additional components integrated in the remote control device, e.g. timer, speaker, sensors for detecting position, direction or movement of the remote control, microphone or battery charging device
    • HELECTRICITY
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    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/422Structure of client; Structure of client peripherals using Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. Global Positioning System [GPS]
    • H04N21/42204User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H04N21/42206User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
    • H04N21/42224Touch pad or touch panel provided on the remote control
    • HELECTRICITY
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    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network, synchronizing decoder's clock; Client middleware
    • H04N21/431Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H04N21/4312Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry
    • H04N5/4403User interfaces for controlling a television receiver or set top box [STB] through a remote control device, e.g. graphical user interfaces [GUI]; Remote control devices therefor
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry
    • H04N5/4403User interfaces for controlling a television receiver or set top box [STB] through a remote control device, e.g. graphical user interfaces [GUI]; Remote control devices therefor
    • H04N2005/4405Hardware details of remote control devices
    • H04N2005/4408Display
    • H04N2005/441Display for the display of non-command information, e.g. electronic program guide [EPG], e-mail, messages or a second television channel
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    • H04N5/4403User interfaces for controlling a television receiver or set top box [STB] through a remote control device, e.g. graphical user interfaces [GUI]; Remote control devices therefor
    • H04N2005/4405Hardware details of remote control devices
    • H04N2005/443Touch pad or touch panel
    • HELECTRICITY
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    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/4104Structure of client; Structure of client peripherals using peripherals receiving signals from specially adapted client devices
    • H04N21/4131Structure of client; Structure of client peripherals using peripherals receiving signals from specially adapted client devices home appliance, e.g. lighting, air conditioning system, metering devices
    • HELECTRICITY
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    • H04N21/4782Web browsing, e.g. WebTV

Abstract

An electronic apparatus to provide an area of an image displayed on a display apparatus in a GUI form. The electronic apparatus transfers a user command related to an external apparatus to the external apparatus, and displays an area of an image displayed on the external apparatus on a display. Therefore, it is possible to display an area of an image displayed on a display apparatus in the GUI form using another display apparatus so that the user may select a desired GUI item more conveniently and more intuitively.

Description

    CROSS-REFERENCE TO RELATED APPLICATION
  • [0001]
    This application claims the benefit of Korean Application No. 2008-1943, filed in the Korean Intellectual Property Office on Jan. 7, 2008, the disclosure of which is incorporated herein by reference.
  • BACKGROUND OF THE INVENTION
  • [0002]
    1. Field of the Invention
  • [0003]
    Aspects of the present invention relate to a graphical user interface (GUI) providing method and an electronic apparatus applying the method, and more particularly, to a GUI providing method which enables a user to interface with a display apparatus, and an electronic apparatus applying the method.
  • [0004]
    2. Description of the Related Art
  • [0005]
    Graphical user interfaces (GUI), by which users may select GUI items such as icons, menus, or anchors displayed on display apparatuses using pointers, have become widespread. In order to input user commands in such GUI environments, a user may move a pointer to a desired item using an input device such as a mouse or a touch pad, and may press a specific key on the input device to input a command to execute a specific function of the item indicated by the pointer.
  • [0006]
    However, movement of the pointer to the desired item using the input device may be troublesome to the user. This trouble may increase when the size of a display apparatus (such as a large screen television) becomes larger but the size of items becomes smaller.
  • [0007]
    Additionally, if GUI items are grouped together on one area of a display apparatus, more exact manipulation is required to move the pointer. There is demand for a more convenient manipulation method when using a GUI, and, therefore, there is a need for methods by which the user may select a desired GUI item more conveniently.
  • SUMMARY OF THE INVENTION
  • [0008]
    Aspects of the present invention relate to a method for displaying an area of an image displayed on a display apparatus in the form of a graphical user interface (GUI) using another display apparatus so that the user may select a desired GUI item more conveniently and more intuitively, and an electronic apparatus applying the method.
  • [0009]
    According to an embodiment of the present invention, an electronic apparatus is provided. The electronic apparatus includes a display; a communication unit communicably connected to an external apparatus; and a control unit to transfer a user command related to the external apparatus to the external apparatus via the communication unit, and to control an area of an image displayed on the external apparatus to be displayed on the display.
  • [0010]
    According to another aspect of the present invention, the area of the image displayed on the display appears to a user to be greater in size than the corresponding area of the image displayed on the external apparatus.
  • [0011]
    According to another aspect of the present invention, the area of the image includes graphical user interface (GUI) items selectable by the user. The control unit transfers information regarding a GUI item selected by the user to the external apparatus via the communication unit so as to transmit the user command related to the external apparatus to the external apparatus.
  • [0012]
    According to another aspect of the present invention, the display is a touch screen, and the control unit transfers information regarding a GUI item touched by the user among GUI items in an area of an image displayed on the touch screen to the external apparatus via the communication unit.
  • [0013]
    According to another aspect of the present invention, the electronic apparatus further includes a sensing unit to detect movement of the electronic apparatus. The area of the image displayed on the display changes according to the movement of the electronic apparatus detected by the sensing unit.
  • [0014]
    According to another aspect of the present invention, the control unit transmits information regarding the movement of the electronic apparatus detected by the sensing unit to the external apparatus via the communication unit, and controls the area of the image received via the communication unit from the external apparatus to be displayed on the display.
  • [0015]
    According to another aspect of the present invention, the direction of the movement of the electronic apparatus detected by the sensing unit corresponds to the direction in which the area of the image changes.
  • [0016]
    According to another aspect of the present invention, when the user inputs the user command related to the external apparatus using the electronic apparatus, the distance between the electronic apparatus and the user is less than the distance between the external apparatus and the user.
  • [0017]
    According to another aspect of the present invention, the electronic apparatus further includes a capturing unit to capture an area of an image displayed on the external apparatus. The control unit transmits the area of the image captured by the capturing unit to the external apparatus via the communication unit, and receives information regarding GUI items in the area of the image from the external apparatus via the communication unit.
  • [0018]
    According to another aspect of the present invention, the external apparatus is a broadcast receiving apparatus, and the electronic apparatus is a remote controller of the broadcast receiving apparatus.
  • [0019]
    According to another embodiment of the present invention, a method of providing a graphical user interface (GUI) is provided. The method includes displaying an area of an image displayed on an external apparatus communicably connected to an electronic apparatus in a GUI form on the electronic apparatus; and transferring a user command input using the area of the image displayed on the electronic apparatus to the external apparatus.
  • [0020]
    According to another aspect of the present invention, the area of the image displayed on the electronic apparatus appears to a user to be greater in size than the corresponding area of the image displayed on the external apparatus.
  • [0021]
    According to another aspect of the present invention, the area of the image includes GUI items selectable by the user. The transferring of the user command includes transferring information regarding a GUI item selected by the user to the external apparatus so as to transmit the user command to the external apparatus.
  • [0022]
    According to another aspect of the present invention, the transferring of the user command includes transferring information regarding a GUI item touched by the user among GUI items in an area of an image displayed on a touch screen of the electronic apparatus to the external apparatus.
  • [0023]
    According to another aspect of the present invention, the method further includes detecting movement of the electronic apparatus. The area of the image displayed on the electronic apparatus changes according to the detected movement of the electronic apparatus.
  • [0024]
    According to another aspect of the present invention, the direction of the detected movement of the electronic apparatus may correspond to the direction in which the area of the image changes.
  • [0025]
    According to another embodiment of the present invention, provided a display apparatus is provided. The apparatus includes a display; a communication unit communicably connected to an electronic apparatus; and a control unit to execute a user command received from the electronic apparatus via the communication unit, and to transfer information regarding graphical user interface (GUI) items in an area of an image displayed on the display to the electronic apparatus via the communication unit.
  • [0026]
    According to another embodiment of the present invention, an electronic apparatus to transfer user commands related to peripheral apparatuses to the corresponding peripheral apparatuses is provided. The apparatus includes a display; a communication unit communicably connected to the peripheral apparatuses; and a control unit to determine which peripheral apparatus is facing the electronic apparatus and to display a graphical user interface (GUI) representing the peripheral apparatus found as a result of the determination.
  • [0027]
    Additional aspects and/or advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • [0028]
    These and/or other aspects and advantages of the invention will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
  • [0029]
    FIGS. 1A and 1B illustrate a broadcast receiving system to which the present invention is applicable;
  • [0030]
    FIGS. 2A and 2B illustrate patterns by which a user may move a remote controller, according to an embodiment of the present invention;
  • [0031]
    FIG. 3 is a detailed block diagram of a DTV and remote controller, according to an embodiment of the present invention;
  • [0032]
    FIG. 4 is a flowchart of a process for providing a user with an area of a display image in the form of a GUI using a touch screen on a remote controller in a broadcast receiving system shown in FIG. 3;
  • [0033]
    FIG. 5 illustrates operation S440 of FIG. 4 in more detail, according to an embodiment of the present invention;
  • [0034]
    FIG. 6 is a detailed block diagram of a DTV and remote controller, according to another embodiment of the present invention;
  • [0035]
    FIG. 7 is a flowchart of a process for providing a user with an area of a display image in the form of a GUI using a touch screen on a remote controller in a broadcast receiving system shown in FIG. 6;
  • [0036]
    FIG. 8 illustrates a video system according to another embodiment of the present invention; and
  • [0037]
    FIG. 9 is a detailed block diagram of a remote controller shown in FIG. 8.
  • DETAILED DESCRIPTION OF THE EMBODIMENTS
  • [0038]
    Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the like elements throughout. The embodiments are described below in order to explain the present invention by referring to the figures.
  • [0039]
    FIG. 1A shows a broadcast receiving system according to an embodiment of the present invention. The broadcast receiving system of FIG. 1A includes a digital television (DTV) 100 as a broadcast receiving apparatus, and a remote controller 200 as a user input device. Although described with respect to a broadcast receiving apparatus, aspects of the present invention are applicable to any external apparatus usable with a remote control, such as a computer, a reproducing apparatus, a set-top box, a video game console, or a multi-function device.
  • [0040]
    The DTV 100 provides a user U with a broadcast received by a broadcast medium by displaying the broadcast on a display 140. Additionally, the DTV 100 provides the user U with a Web page received via the Internet by displaying the Web page on the display 140. FIG. 1A shows a situation in which a Web page is displayed on the display 140.
  • [0041]
    The remote controller 200 sends operation commands by the user U to the DTV 100, and the DTV 100 operates according to the received input commands. The remote controller 200 includes a touch screen 240. As shown in FIG. 1A, the area of an image displayed on the display 140 of the DTV 100 (hereinafter, referred to as the “area of the display image”) may also be displayed on the touch screen 240 on the remote controller 200.
  • [0042]
    The image displayed on the touch screen 240 may appear to the user U to be greater in size than the area of the display image. This may be because the actual size of the image displayed on the touch screen 240 is greater than that of the area of the display image, or because the actual size of the image displayed on the touch screen 240 is smaller than that of the area of the display image but the distance between the user U and the remote controller 200 is less than the distance between the user U and the DTV 100.
  • [0043]
    As indicated by arrows in FIG. 1A, the user U may move the remote controller 200 in an upwards or downwards direction, or to the left or right, or in a direction combining two of these directions, such as an upper-leftwards direction, for instance. The remote controller 200 may be moved in any direction.
  • [0044]
    For example, the remote controller 200 may be moved while drawing a locus on a virtual plane (VP) which is in a parallel relation with the screen of the display 140. FIG. 1B shows a situation in which the remote controller 200 is moved to the left by the user U while drawing a locus on a VP which is in a parallel relation with the screen of the display 140. As shown in FIG. 1B, the image displayed on the touch screen 240 remains on the touch screen 240 even after the remote controller 200 is moved to the left, but after a predetermined period of time, the image may be changed to another image according to the movement of the remote controller 200.
  • [0045]
    Similarly, if the remote controller 200 is moved to the left, an area to the left of the area of the display image may be displayed on the touch screen 240. If the remote controller 200 is moved to the left, that is, if a frame around the area of the display image is moved to the left, an image indicated by the frame may be displayed on the touch screen 240. An image to be displayed on the touch screen 240 may thus change in the same direction as the remote controller 200 moves.
  • [0046]
    The VP may not be in a perfect parallel relation with the screen of the display 140 of the DTV 100, and may not be a perfect plane. It is practically impossible for the movement of the remote controller 200 by the user U to be on a perfect plane and in a perfect parallel relation with the screen of the display 140. Accordingly, aspects of the present invention may be applicable to a situation in which the remote controller 200 moves on an imperfect plane and in an imperfect parallel relation with the screen of the display 140.
  • [0047]
    As shown in FIG. 2A, the remote controller 200 may be moved by the user U while drawing a locus on a VP that is perpendicular to the screen of the display 140. FIG. 2A shows, using dotted lines, a situation in which the user U moves the remote controller 200 to the left while drawing a locus on the VP. In this situation, the VP may not be perfectly perpendicular to the screen of the display 140 of the DTV 100, and may not be a perfect plane. Accordingly, aspects of the present invention may be applicable to a situation in which the remote controller 200 moves on an imperfect plane and in an imperfect perpendicular relation with the screen of the display 140.
  • [0048]
    The user U may move the remote controller 200 by turning only his wrist while his arm holding the remote controller 200 is fixed. If only the wrist of the user U moves in an upwards or downwards direction, or to the left or right, or in a direction combining these, such as an upper leftward direction, the remote controller 200 may be moved upwards, downwards, or to the left or right, or in a direction combining any of these movements, such as an upper leftwards direction while drawing a curved locus on a virtual hemispherical surface. FIG. 2B shows a situation in which the remote controller 200 is moved to the left by the user U while drawing a curved locus on a virtual hemispherical surface.
  • [0049]
    The virtual hemispherical surface, on which the remote controller 200 is moved by rotation of the user's wrist, may be a mathematically imperfect hemispherical surface. It is practically impossible for the remote controller 200 to be moved by rotating the wrist of the user U while drawing a locus on a mathematically perfectly hemispherical surface. Accordingly, aspects of the present invention may be applicable to a situation in which the remote controller 200 does not move on a mathematically perfect hemisphere, but moves on an imperfect hemispherical surface while drawing a curved locus.
  • [0050]
    The DTV 100 and remote controller 200 will be described in detail with reference to FIG. 3. FIG. 3 shows the DTV 100 and remote controller 200, according to an embodiment of the present invention. The remote controller 200 of FIG. 3 includes a movement sensor 210, a remote control communicator 220, a remote control unit 230, a touch screen 240 and a key input unit 250. According to other aspects of the present invention, the remote controller 200 may include additional and/or different units.
  • [0051]
    The movement sensor 210 senses movement of the remote controller 200 moved by the user U, and sends the result of sensing to the remote control unit 230, which will be described in detail below. The movement sensor 210 may be implemented as a biaxial gyro sensor or an infrared ray sensor. The remote control communicator 220 is connected to the DTV 100 to enable communication using radio frequency (RF) signals. The key input unit 250 includes a variety of keys with which the user U may input user commands. The touch screen 240 may function both as a display on which a screen is displayed and as a user input means to receive touch input by the user U, although such combined functionality is not required in all aspects.
  • [0052]
    The remote control unit 230 transmits movement information to the DTV 100 via the remote control communicator 220. The movement information may include information regarding the direction and distance of movement of the remote controller 200, which is obtained from the sensing result transmitted from the movement sensor 210. The remote control unit 230 may also send information about keys pressed by the user U using the key input unit 250 to the DTV 100 through the remote control communicator 220.
  • [0053]
    Additionally, the remote control unit 230 displays an image based on data received from the DTV 100 on the touch screen 240. The image displayed on the touch screen 240 may include a graphical user interface (GUI) item, and the user U may thus select the GUI item displayed on the touch screen 240 by touching the GUI item. Accordingly, the remote control unit 230 may send information regarding the GUI item selected by the user U through the touch screen 240 to the DTV 100 via the remote control communicator 220.
  • [0054]
    As shown in FIG. 3, the DTV 100 includes a broadcast receiving unit 110, a broadcast processing unit 120, a GUI generating unit 130, a display 140, an audio output unit 150, an Internet interface 160, a DTV control unit 170 and a DTV communication unit 180.
  • [0055]
    The broadcast receiving unit 110 receives a broadcast via a wired or wireless connection from a broadcasting station or a satellite, and demodulates the received broadcast. The broadcast processing unit 120 performs signal processing, such as video decoding, video scaling, and audio decoding of the broadcast output from the broadcast receiving unit 110. Additionally, the broadcast processing unit 120 transmits video signals and audio signals to the GUI generator 130 and the audio output unit 150, respectively.
  • [0056]
    The GUI generating unit 130 generates a GUI that will be displayed on the display 140, and combines the GUI with the video output from the broadcast processing unit 120. The display 140 displays the video combined with the GUI output from the GUI generating unit 130. The audio output unit 150 outputs the audio signals output from the broadcast processing unit 120 to a speaker. The Internet interface 160 is communicably connected to the Internet, and receives a Web page from a Web server connected to the Internet.
  • [0057]
    The DTV control unit 170 processes the Web page received via the Internet interface 160 and sends the processed Web page to the GUI generating unit 130, so that the Web page may be displayed on the display 140. The DTV control unit 170 recognizes the commands of the user U based on information regarding the operation provided by the user U, including movement of the remote controller 200, key input, or touch of a GUI item, which are received via the DTV communication unit 180 from the remote controller 200. The DTV control unit 170 controls the entire operation of the DTV 100 according to the recognized commands of the user U.
  • [0058]
    A process for providing the user U with an area of a display image in the form of a GUI using the touch screen 240 on the remote controller 200 in the broadcast receiving system of FIG. 3 will be described in detail with reference to FIG. 4, which shows a flowchart of a process for providing an area of a display image in the form of the GUI using the touch screen 240 on the remote controller 200 in the broadcast receiving system shown in FIG. 3, according to an embodiment of the present invention.
  • [0059]
    In the flowchart of FIG. 4, operations performed by the remote controller 200 are shown on the left, and operations performed by the DTV 100 are shown on the right. Text in the center of FIG. 4 refers to messages, data, or information received and transmitted between the DTV 100 and remote controller 200. If the user U inputs a remote control image display command using the key input unit 250 on the remote controller 200 in operation S410-Y, the remote control unit 230 transmits an initial image request message to the DTV 100 through the remote control communicator 220 in operation S415.
  • [0060]
    The remote control image display command may be a user command to display the area of the display image on the touch screen 240 on the remote controller 200. As described above, the area of the display image refers to the area of the image displayed on the display 140 of the DTV 100.
  • [0061]
    In response to the initial image request message, the DTV control unit 170 transmits data regarding the central area of an image currently displayed on the display 140 (hereinafter, referred to as “center of the display image”) to the remote controller 200 through the DTV communication unit 180 in operation S420. For example, if the image currently displayed on the display 140 is a Web page written in Hypertext Markup Language (HTML), the DTV control unit 170 may transmit HTML data regarding the center of the display image to the remote controller 200.
  • [0062]
    In operation S425, the remote control unit 230 scales an image using the data received from the DTV control unit 170 to fit on the touch screen 240, and displays the scaled image on the touch screen 240, so that the center of the display image may be displayed on the touch screen 240. If the movement sensor 210 senses movement of the remote controller 200 in operation S430-Y, the remote control unit 230 transmits movement information regarding the remote controller 200 to the DTV 100 via the remote control communicator 220 in operation S435.
  • [0063]
    The DTV control unit 170 designates an area of the display image to be transmitted to the remote controller 200, using the movement information received from the remote control unit 230, in operation S440. The movement information may include information regarding the direction and distance in which the remote controller 200 moves, so that the DTV control unit 170 may take into consideration both the direction and the distance during operation S440.
  • [0064]
    FIG. 5 shows, in more detail, operation S440 of FIG. 4, by which the DTV control unit 170 designates an area of the display image to be transmitted to the remote controller 200. In FIG. 5, an image indicated by a frame on the center of the display 140 corresponds to the center of the display image transmitted to the remote controller 200 in operation S420.
  • [0065]
    If the remote controller 200 is moved to the left by approximately 10 cm, the DTV control unit 170 designates an image indicated by a frame on the left of the display 140 shown in FIG. 5 to be transmitted to the remote controller 200 during operation S440. Alternatively, if the remote controller 200 is moved to the upper right by approximately 15 cm, the DTV control unit 170 designates an image indicated by a frame on the upper right of the display 140 shown in FIG. 5 to be transmitted to the remote controller 200 during operation S440. Subsequently, the DTV control unit 170 transmits data regarding the image designated in operation S440 to the remote controller 200 via the DTV communication unit 180 in operation S445 of FIG. 4.
  • [0066]
    The remote control unit 230 scales an image using the data received from the DTV control unit 170 to fit on the touch screen 240 and displays the scaled image on the touch screen 240, so that the image designated in operation S440 may be displayed on the touch screen 240 in operation S450. The image displayed on the touch screen 240 as a result of operation S450 may include GUI items. As shown in FIG. 1B, a field “SEARCH” displayed on the touch screen 240 and an input window disposed above the field “SEARCH” are used as GUI items. The user U may select a desired GUI item from among the GUI items displayed on the touch screen 240 by touching the GUI item.
  • [0067]
    If the user U touches one of the GUI items displayed on the touch screen 240 in operation S455-Y, the remote control unit 230 transmits information regarding the touched GUI item to the DTV 100 via the remote control communicator 220 in operation S460. The DTV control unit 170 determines which GUI item is selected by the user U, using the information regarding the touched GUI item received from the remote control unit 230, and executes a function corresponding to the selected GUI item in operation S465.
  • [0068]
    For example, if the user U touches the field “SEARCH”, the DTV control unit 170 may search the Internet using a search term entered in the input window. Alternatively, if the user U touches a hypertext anchor, the DTV control unit 170 connected to the Internet interface 160 requests a Web page linked to the hypertext anchor from a Web server connected to the Internet.
  • [0069]
    Although the user U inputs the remote control image display command using the key input unit 250 on the remote controller 200 as described above, any method by which the user U is able to input the remote control image display command can be used. For example, in order to input the remote control image display command, the user U may touch the touch screen 240 on the remote controller 200 or may shake the remote controller 200 horizontally, instead of using the key input unit 250.
  • [0070]
    Additionally, the center of the image currently displayed on the display 140 is set to be an initial image displayed on the touch screen 240 in response to the remote control image display command, but this is only for convenience of description. Accordingly, areas other than the center of the image currently displayed on the display 140 may be set to be an initial image displayed on the touch screen 240.
  • [0071]
    Furthermore, the DTV 100 designates an area of the display image that will be displayed on the touch screen 240 as described above, but this is merely for convenience of description. Aspects of the present invention are also applicable to a situation in which the remote controller 200 designates an area of the display image to be displayed on the touch screen 240.
  • [0072]
    Moreover, the remote controller 200 determines which GUI item is selected by the user U as described above, but this is merely for convenience of description. Aspects of the present invention are also applicable to a situation in which the DTV 100 determines which GUI item is selected by the user U.
  • [0073]
    Additionally, the touch screen 240 may be another display, and the remote controller 200 may be a mobile phone, a personal multimedia player (PMP), a digital camera or an ultra-mobile personal computer (UMPC). The DTV 100 may also be replaced by another display apparatus.
  • [0074]
    A second embodiment of the present invention will be described with reference to FIG. 6. FIG. 6 shows a DTV 500 and a remote controller 600, according to the second embodiment of the present invention. The remote controller 600 of FIG. 6 includes a capturing unit 610, a remote control communicator 620, a remote control unit 630, a touch screen 640 and a key input unit 650.
  • [0075]
    The capturing unit 610 captures an area of an image displayed on a display 540 (hereinafter, referred to as “an area of a display image”). Data regarding the area of the display image captured by the capturing unit 610 is transferred to the remote control unit 630, which will be described in detail below. The capturing unit 610 may be disposed on the rear side of the remote controller 600. For example, if the remote controller 600 is placed as shown in FIGS. 1A and 1B, the capturing unit 610 may capture one area of the display image.
  • [0076]
    The remote control communicator 620 is connected to a DTV 500 to enable communication using RF signals, or other signals, such as infrared. The key input unit 650 includes a variety of keys by which the user U may input user commands. The touch screen 640 functions as a display on which a screen is displayed and as a user input device to receive touch input by the user U.
  • [0077]
    The remote control unit 630 transmits information regarding the area of the display image captured by the capturing unit 610 to the DTV 500 via the remote control communicator 620. The remote control unit 630 also sends information about keys pressed by the user U using the key input unit 650 to the DTV 500 through the remote control communicator 620.
  • [0078]
    Additionally, the remote control unit 630 displays an image based on data received from the DTV 500 on the touch screen 640. The image displayed on the touch screen 640 may include a GUI item, and the user U may thus select the GUI item displayed on the touch screen 640 by touching the GUI item. Accordingly, the remote control unit 630 may send information regarding the GUI item selected by the user U through the touch screen 640 to the DTV 500 via the remote control communicator 620.
  • [0079]
    The DTV 500 of FIG. 6 includes a broadcast receiving unit 510, a broadcast processing unit 520, a GUI generating unit 530, a display 540, an audio output unit 550, an Internet interface 560, a DTV control unit 570 and a DTV communication unit 580. The broadcast receiving unit 510, broadcast processing unit 520, GUI generating unit 530, display 540, audio output unit 550, Internet interface 560 and DTV communication unit 580 of the DTV 500 as shown in FIG. 6 are configured in a similar manner as the broadcast receiving unit 110, broadcast processing unit 120, GUI generating unit 130, display 140, audio output unit 150, Internet interface 160 and DTV communication unit 180 of the DTV 100 as shown in FIG. 2, so detailed description thereof is omitted.
  • [0080]
    The DTV control unit 570 processes the Web page received via the Internet interface 560, and sends the processed Web page to the GUI generating unit 530, so that the Web page may be displayed on the display 540. The DTV control unit 570 recognizes the commands of the user U based on information regarding the operation, provided by the user U, including movement of the remote controller 600, key input or touch of a GUI item, which is received from the remote controller 600. The DTV control unit 570 controls the entire operation of the DTV 500 according to the recognized commands of the user U.
  • [0081]
    A process of providing the user U with an area of a display image in the form of a GUI using the touch screen 640 of the remote controller 600 in a broadcast receiving system of FIG. 6 will be described in detail with reference to FIG. 7. In the flowchart of FIG. 7, operations performed by the remote controller 600 are shown on the left, and operations performed by the DTV 500 are shown on the right. Text in the center of FIG. 7 refers to messages, data, or information received and transmitted between the DTV 500 and the remote controller 600.
  • [0082]
    In FIG. 7, if the user U inputs a remote control image display command using the key input unit 650 on the remote controller 600 in operation S710-Y, the remote control unit 630 controls the capturing unit 610 to initiate a capturing operation in operation S715. If the user U causes a lens of the capturing unit 610 to face the display 540 of the DTV 500 (for example, if the lens is disposed on the rear side of the remote controller 600 when the user U grips the remote controller 600 as shown in FIG. 1A or 1B), the capturing unit 610 captures an area of the display image entered through the lens.
  • [0083]
    The remote control image display command refers to a user command to display the area of the display image on the touch screen 640 on the remote controller 600. As described above, the area of the display image refers to the area of the image displayed on the display 540 of the DTV 500. The remote control unit 630 displays the area of the display image captured by the capturing unit 610 on the touch screen 640 in operation S720, and transfers the captured area of the display image to the DTV 500 via the remote control communicator 620 in operation S725.
  • [0084]
    The DTV control unit 570 searches for an area corresponding to the captured area received from the remote control unit 630 from an image currently displayed on the display 540 in operation S730. In operation S730, the DTV control unit 570 may compare the captured area received from the remote control unit 630 to the image currently displayed on the display 540, to perform the search. The DTV control unit 570 checks the position of GUI items in the area found as a result of the search in operation S735, and then transfers information regarding the position of the GUI items to the remote controller 600 via the DTV communication unit 580 in operation S740.
  • [0085]
    If the user U touches the touch screen 640 in operation S745-Y, the remote control unit 630 determines whether there is a GUI item at the location of the touch screen 640 touched by the user in operation S750. The remote control unit 630 determines the existence or nonexistence of the GUI item at the touched location based on the information regarding the position of the GUI items received from the DTV control unit 570.
  • [0086]
    If the user touched a GUI item, the remote control unit 630 transmits information regarding the GUI item touched by the user U to the DTV 500 in operation S755. In this situation, the information regarding the GUI item includes information regarding the GUI item disposed on the location touched by the user in operation S745.
  • [0087]
    The DTV control unit 570 determines which GUI item is selected by the user U, using the information regarding the GUI item received from the remote control unit 630, and executes a function corresponding to the selected GUI item in operation S760.
  • [0088]
    Although the user U inputs the remote control image display command using the key input unit 650 on the remote controller 600 as described above, any method by which the user U is able to input the remote control image display command can be used.
  • [0089]
    Additionally, the lens of the capturing unit 610 is disposed on the rear side of the remote controller 600 as described above, but this is only for convenience of description, and accordingly the lens may be disposed on the remote controller 600 in any position. For example, the lens may be disposed on the front side of the remote controller 600. In this situation, the user U causes the remote controller 600 to be disposed as shown in FIG. 2A or 2B, and to capture an area of a display image.
  • [0090]
    Furthermore, the area of the display image captured by the capturing unit 610 is displayed on the touch screen 640 as described above, but this is merely for convenience of description. Aspects of the present invention are also applicable to a situation in which the DTV 500 transmits data found as a result of the search of operation S730 to the remote controller 600 and the remote controller 600 displays an image corresponding to the received data on the touch screen 640.
  • [0091]
    Moreover, the remote controller 600 determines which GUI item is selected by the user U from the touch screen 640 as described above, but this is merely for convenience of description. Aspects of the present invention are also applicable to a situation in which the DTV 500 determines which GUI item is selected by the user U. Additionally, the touch screen 640 may be replaced by another display, and the remote controller 600 may be replaced by a mobile phone, a PMP, a digital camera or a UMPC. The DTV 500 may also be replaced by another display apparatus, such as a computer monitor or a television.
  • [0092]
    A third embodiment of the present invention will be described in detail with reference to FIG. 8. FIG. 8 illustrates a video system according to the third embodiment of the present invention. The video system of FIG. 8 is configured in such a manner that home appliances, such as an air conditioner 810, a digital versatile disc recorder (DVDR) 820, a DTV 830, a home theater system (HTS) 840 and a PC 850, are connected to a remote controller 900, enabling mutual communication.
  • [0093]
    The home appliances 810 to 850 each include respective radio frequency identification (RFID) tags 815 to 855. Each of the RFID tags 815 to 855 includes information regarding the respective home appliances 810 to 850 to which each of the RFID tags 815 to 855 belongs. For example, the RFID tag 835 in the DTV 830 may include ID information indicating the DTV 830.
  • [0094]
    If a user causes a front end of the remote controller 900 to indicate a specific home appliance, the remote controller 900 may read an RFID tag in the home appliance indicated by the front end of the remote controller 900, and may search for the home appliance from the home appliances 810 to 850. Additionally, the remote controller 900 may provide the user with a menu screen related to the home appliance found as a result of the search in the form of a GUI.
  • [0095]
    The remote controller 900 shown in FIG. 8 will be described in detail with reference to FIG. 9. FIG. 9 is a detailed block diagram of the remote controller 900 shown in FIG. 8. The remote controller 900 of FIG. 9 includes a remote control communicator 910, an RFID reader 920, a remote control unit 930, a touch screen 940, a key input unit 950 and a storage unit 960.
  • [0096]
    The remote control communicator 910 is connected to the home appliances 810 to 850 to enable communication using RF signals. The RFID reader 920 reads the RFID tag in the home appliance indicated by the front end of the remote controller 900 from among the home appliances 810 to 850. The touch screen 940 functions as a display on which a screen is displayed and as a user input means to receive touch input by the user U. The key input unit 950 includes a variety of keys by which the user U may input user commands. The storage unit 960 stores menus of each of the home appliances 810 to 850.
  • [0097]
    The remote control unit 930 searches for the home appliance facing the front end of the remote controller 900, using information regarding the RFID tag read by the RFID reader 920. The remote control unit 930 reads the menu of the home appliance found by the search from the storage unit 960, and then displays the read menu on the touch screen 940, so that the user may be provided with the menu in the form of a GUI.
  • [0098]
    If the user U selects a menu item on the menu screen displayed on the touch screen 940 by touching the menu item, the remote control unit 930 may transmit information regarding the touched menu item to a corresponding home appliance via the remote control communicator 910. Accordingly, the home appliance may determine which menu item is selected by the user U, using the information regarding the menu item received from the remote controller 900, and execute a function corresponding to the menu item.
  • [0099]
    As described above, according to aspects of the present invention, it is possible to provide a user with an area of an image displayed on a display apparatus in the form of a GUI using another display. Accordingly, the user can select a desired GUI item more conveniently and more intuitively.
  • [0100]
    Aspects of the present invention can also be embodied as computer readable codes on a computer readable recording medium. The computer readable recording medium is any data storage device that can store data which can be thereafter read by a computer system. Examples of the computer readable recording medium also include read-only memory (ROM), random-access memory (RAM), CDs, DVDs, magnetic tapes, floppy disks, and optical data storage devices. Aspects of the present invention may also be embodied as carrier waves (such as data transmission through the Internet). The computer readable recording medium can also be distributed over network coupled computer systems so that the computer readable code is stored and executed in a distributed fashion. Also, functional programs, codes, and code segments for accomplishing the present invention can be easily construed by programmers skilled in the art to which the present invention pertains.
  • [0101]
    Although a few embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in this embodiment, without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims (32)

  1. 1. An electronic apparatus, comprising:
    a display;
    a communication unit communicably connected to an external apparatus; and
    a control unit to transfer a user command related to the external apparatus to the external apparatus via the communication unit, and to control an area of an image displayed on the external apparatus to be displayed on the display.
  2. 2. The electronic apparatus of claim 1, wherein the area of the image displayed on the display appears to a user to be greater in size than the corresponding area of the image displayed on the external apparatus.
  3. 3. The electronic apparatus of claim 1, wherein:
    the area of the image comprises graphical user interface (GUI) items selectable by the user; and
    the control unit transfers information regarding a GUI item selected by the user to the external apparatus via the communication unit so as to transmit the user command related to the external apparatus to the external apparatus.
  4. 4. The electronic apparatus of claim 3, wherein:
    the display is a touch screen; and
    the control unit transfers information regarding a GUI item touched by the user among GUI items in an area of an image displayed on the touch screen to the external apparatus via the communication unit.
  5. 5. The electronic apparatus of claim 1, further comprising:
    a sensing unit to detect movement of the electronic apparatus;
    wherein the area of the image displayed on the display changes according to the movement of the electronic apparatus detected by the sensing unit.
  6. 6. The electronic apparatus of claim 5, wherein the control unit transmits information regarding the movement of the electronic apparatus detected by the sensing unit to the external apparatus via the communication unit, and controls the area of the image received via the communication unit from the external apparatus to be displayed on the display.
  7. 7. The electronic apparatus of claim 5, wherein the direction of the movement of the electronic apparatus detected by the sensing unit corresponds to the direction in which the area of the image changes.
  8. 8. The electronic apparatus of claim 1, wherein, when the user inputs the user command related to the external apparatus using the electronic apparatus, the distance between the electronic apparatus and the user is less than the distance between the external apparatus and the user.
  9. 9. The electronic apparatus of claim 1, further comprising:
    a capturing unit to capture an area of an image displayed on the external apparatus;
    wherein the control unit transmits the area of the image captured by the capturing unit to the external apparatus via the communication unit, and receives information regarding GUI items in the area of the image from the external apparatus via the communication unit.
  10. 10. The electronic apparatus of claim 1, wherein:
    the external apparatus is a broadcast receiving apparatus; and
    the electronic apparatus is a remote controller of the broadcast receiving apparatus.
  11. 11. A method of providing a graphical user interface (GUI), the method comprising:
    displaying an area of an image displayed on an external apparatus communicably connected to an electronic apparatus in a GUI form on the electronic apparatus; and
    transferring a user command input using the area of the image displayed on the electronic apparatus to the external apparatus.
  12. 12. The method of claim 11, wherein the area of the image displayed on the electronic apparatus appears to a user to be greater in size than the corresponding area of the image displayed on the external apparatus.
  13. 13. The method of claim 11, wherein:
    the area of the image comprises GUI items selectable by the user; and
    the transferring of the user command comprises transferring information regarding a GUI item selected by the user to the external apparatus so as to transmit the user command to the external apparatus.
  14. 14. The method of claim 13, wherein the transferring of the user command comprises transferring information regarding a GUI item touched by the user among GUI items in an area of an image displayed on a touch screen of the electronic apparatus to the external apparatus.
  15. 15. The method of claim 11, further comprising:
    detecting movement of the electronic apparatus;
    wherein the area of the image displayed on the electronic apparatus changes according to the detected movement of the electronic apparatus.
  16. 16. The method of claim 15, wherein the direction of the detected movement of the electronic apparatus corresponds to the direction in which the area of the image changes.
  17. 17. A display apparatus, comprising:
    a display;
    a communication unit communicably connected to an electronic apparatus; and
    a control unit to execute a user command received from the electronic apparatus via the communication unit, and to transfer information regarding graphical user interface (GUI) items in an area of an image displayed on the display to the electronic apparatus via the communication unit.
  18. 18. The display apparatus of claim 17, wherein:
    the area of the image displayed on the display is displayed on the electronic apparatus; and
    the area of the image displayed on the electronic apparatus appears to a user to be greater in size than the corresponding area of the image displayed on the display.
  19. 19. The display apparatus of claim 17, wherein the control unit transfers data regarding the area of the image displayed on the display to the electronic apparatus via the communication unit.
  20. 20. The display apparatus of claim 19, wherein the control unit transfers data regarding various areas of the image displayed on the display to the electronic apparatus via the communication unit, based on information regarding movement of the electronic apparatus received via the communication unit.
  21. 21. An electronic apparatus to transfer user commands related to peripheral apparatuses to the corresponding peripheral apparatuses, the apparatus comprising:
    a display;
    a communication unit communicably connected to the peripheral apparatuses; and
    a control unit to determine which peripheral apparatus is facing the electronic apparatus and to display a graphical user interface (GUI) representing the peripheral apparatus found as a result of the determination.
  22. 22. A system comprising:
    an external apparatus having a display;
    a remote controller to control the external apparatus, the remote control having a display to display an area of an image displayed on the external apparatus;
    wherein the area of the image displayed on the display of the remote control is scaled so as to appear larger than the corresponding area of the image displayed on the display of the external apparatus.
  23. 23. A remote controller to control an external apparatus having a display, the remote control comprising:
    a screen; and
    a control unit to control the external apparatus based on input from the user, and to display an area of an image displayed on the external apparatus;
    wherein the control unit scales the image displayed on the screen so as to fit on the screen and to appear larger than the area of the image displayed on the external apparatus, and transmits input from the user to the external apparatus corresponding to GUI items displayed within the area.
  24. 24. The remote controller of claim 23, wherein, when the user moves the remote control, the control unit transmits information about the movement of the remote control to the external apparatus, receives information about a changed area corresponding to the movement from the external apparatus, and updates the screen with the changed area.
  25. 25. The remote controller of claim 24, further comprising:
    a sensing unit to sense the movement of the remote control.
  26. 26. The remote controller of claim 25, wherein the sensing unit senses movement of the remote control in a plane substantially parallel to a plane of the display of the external apparatus.
  27. 27. The remote controller of claim 25, wherein the sensing unit senses movement of the remote control in a plane substantially perpendicular to a place of the display of the external apparatus.
  28. 28. The remote controller of claim 23, further comprising:
    a capturing unit to capture an image displayed on the external apparatus; and
    wherein the controller determines the area to be displayed on the screen based on the captured image.
  29. 29. The remote controller of claim 23, wherein:
    the screen is a touchscreen; and
    if the area includes a GUI item, the controller controls the screen to display the GUI item as a selectable object.
  30. 30. The remote controller of claim 23, wherein the controller transmits commands to the external apparatus based on the input of the user and the area displayed on the screen.
  31. 31. The remote controller of claim 23, wherein the remote controller receives an image corresponding to the area from the external apparatus.
  32. 32. The remote controller of claim 23, wherein the controller determines the area to be displayed on the screen.
US12126092 2008-01-07 2008-05-23 Method for providing area of image displayed on display apparatus in gui form using electronic apparatus, and electronic apparatus applying the same Abandoned US20090174653A1 (en)

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