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US20120088447A1 - Content broadcast method and device adopting same - Google Patents

Content broadcast method and device adopting same Download PDF

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Publication number
US20120088447A1
US20120088447A1 US13/377,427 US201013377427A US2012088447A1 US 20120088447 A1 US20120088447 A1 US 20120088447A1 US 201013377427 A US201013377427 A US 201013377427A US 2012088447 A1 US2012088447 A1 US 2012088447A1
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US
United States
Prior art keywords
contents
input
user
broadcast
content window
Prior art date
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
US13/377,427
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English (en)
Inventor
Ji-young Kwahk
Giang-yoon Kwon
Jin-Young Jeon
Sang-woong Hwang
Jee-Sun Yoon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Assigned to SAMSUNG ELECTRONICS CO., LTD. reassignment SAMSUNG ELECTRONICS CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HWANG, SANG-WOONG, JEON, JIN-YOUNG, KWON, GIANG-YOON, YOON, JEE-SUN, KWAHK, JI-YOUNG
Publication of US20120088447A1 publication Critical patent/US20120088447A1/en
Abandoned legal-status Critical Current

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Classifications

    • H—ELECTRICITY
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    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H04N21/41407—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
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    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/1454—Digital 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
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    • G06F3/0481—Interaction 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
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    • G06F3/04817—Interaction 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 using icons
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    • H—ELECTRICITY
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    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H04N21/4312—Generation 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
    • H—ELECTRICITY
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    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H04N21/4312—Generation 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
    • H04N21/4316—Generation 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 for displaying supplemental content in a region of the screen, e.g. an advertisement in a separate window
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
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    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
    • H04N21/43637—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
    • H04N21/4788—Supplemental services, e.g. displaying phone caller identification, shopping application communicating with other users, e.g. chatting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/482—End-user interface for program selection
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/048—Indexing scheme relating to G06F3/048
    • G06F2203/04803—Split screen, i.e. subdividing the display area or the window area into separate subareas
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators

Definitions

  • the present invention relates generally to a method and device for broadcasting contents, and more particularly, to a method and device for broadcasting contents in order to allow a plurality of devices to share contents.
  • the present invention has been made to solve at least the above-described problems occurring in the prior art, and to provide at least the following advantages.
  • a method for broadcasting contents in a host device connected to a guest device includes displaying contents on a content window; broadcasting, if a broadcast start command is input, contents displayed on the content window; and displaying at least one icon for receiving input of a command corresponding to manipulation of contents on the content window.
  • the host device includes a communication unit for connecting to at least one external device in order to communicate with the at least one external device; a display unit for displaying contents on a content window; a manipulation unit for receiving input through a user's manipulation; and a control unit for, if a broadcast start command is input through the manipulation unit, controlling the communication unit to broadcast contents displayed on the content window and to display at least one icon to input a command regarding manipulation of contents on the content window.
  • a device includes a communication unit for connecting to at least one external device in order to communicate with the at least one external device; a display for displaying contents on a content window; a manipulation unit for receiving input through a user's manipulation; and a control unit for setting, if a broadcast start command is input through the manipulation unit, a communication mode to a host mode to broadcast contents that are being displayed on the content window to the at least one external device, and if contents broadcast from the at least one external device are received through the communication unit, setting the communication mode to a guest mode so as to display the received contents on the content window.
  • a device includes a communication unit for connecting to at least one external device in order to communicate with the at least one external device; a display unit that displays contents on a content window; a manipulation unit that receives input through a user's manipulation; and a control unit for, if a broadcast start command is input, controlling the communication unit to broadcast contents that are being displayed on the content window to the at least one external device, and for, if contents broadcast from the at least one external device are received through the communication unit, controlling the display unit to display the received contents on the content window.
  • FIG. 1 illustrates a broadcast system in which a host device broadcasts contents to a first guest device and a second guest device according to an embodiment of the present invention
  • FIG. 2 illustrates a host content window before contents are broadcast according to an embodiment of the present invention
  • FIG. 3 illustrates a host content window for broadcasting contents according to an embodiment of the present invention
  • FIG. 4 illustrates a guest content window according to an embodiment of the present invention
  • FIG. 5 illustrates an example of a user touching an icon for starting a broadcasting according to an embodiment of the present invention
  • FIG. 6 illustrates a screen where a menu for selecting a broadcast type is displayed according to an embodiment of the present invention
  • FIG. 7 illustrates a full-screen-type broadcast according to an embodiment of the present invention
  • FIG. 8 illustrates a window-type broadcast according to an embodiment of the present invention
  • FIG. 9 illustrates an example of a user touching a pen icon of a host device according to an embodiment of the present invention
  • FIG. 10 illustrates an example of a user is drawing a circle on a host content window according to an embodiment of the present invention
  • FIG. 11 illustrates a circle on a host device is also displayed on a first guest device and a second guest device according to an embodiment of the present invention
  • FIG. 12 illustrates an example of a user touching a pen icon of a host device once according to an embodiment of the present invention
  • FIG. 13 illustrates a screen where a pen icon of a host device has been returned to its original state according to an embodiment of the present invention
  • FIG. 14 illustrates an example of a user touching a pen icon of a first guest device according to an embodiment of the present invention
  • FIG. 15 illustrates an example of a user is drawing a triangle on a first guest content window according to an embodiment of the present invention
  • FIG. 16 illustrates a triangle on a first guest device is also displayed on a host device and a second guest device according to an embodiment of the present invention
  • FIG. 17 illustrates broadcasting contents while multi-tasking with another application according to an embodiment of the present invention
  • FIGS. 18 and 19 illustrate examples of broadcasting contents according to an embodiment of the present invention
  • FIG. 20 illustrates an example of a user touching an icon for ending broadcasting according to an embodiment of the present invention
  • FIG. 21 illustrates a screen where a message to end broadcasting is displayed according to an embodiment of the present invention
  • FIG. 22 illustrates an example of broadcasting ended according to an icon for ending broadcasting according to an embodiment of the present invention
  • FIG. 23 illustrates an example of a user touching an icon for closing a host content window according to an embodiment of the present invention
  • FIG. 24 illustrates an example of broadcasting ended according to an icon for closing a host content window according to an embodiment of the present invention
  • FIG. 25 illustrates a screen where a message to confirm storage of notes are displayed according to an embodiment of the present invention
  • FIG. 26 is a flowchart illustrating a method for broadcasting contents of a host device and a guest device according to an embodiment of the present invention
  • FIG. 27 is a flowchart to explain a method for setting a device to be in a host mode or in a guest mode according to an embodiment of the present invention.
  • FIG. 28 is a block diagram illustrating a configuration of a device according to an embodiment of the present invention.
  • FIG. 1 illustrates a broadcast system in which a host device broadcasts contents to a first guest device and a second guest device according to an embodiment of the present invention.
  • a host device 100 broadcast contents to a first guest device 130 and a second guest device 160 .
  • the host device 100 , the first guest device 130 , and the second guest device 160 have touch screens that are connected with each other for communication.
  • a user's input may be received, not only through a touch screen, but also though a pointing device (not shown).
  • the pointing device includes an infrared light emitting unit, an infrared sensing unit, a laser generating unit, accelerator sensor, gyro sensor, and etc. and may calculate a user's input into a coordinates corresponding to a pointing location.
  • an infrared sensing unit may be mounted on the host device 100 or the guest devices 130 and 160 .
  • an infrared sensing unit may be mounted on the host device 100 or the guest devices 130 and 160 .
  • the laser-sensing unit may be embodied as a camera or any device that can recognize laser generated by the laser generating unit.
  • a pointing device having a laser generating unit may be a laser pointer.
  • the host device 100 manages broadcasting contents. Accordingly, the host device 100 is determined by a function that is currently provided by the host device 100 , and the host device 100 may perform a function of a client later.
  • the host device 100 broadcasts contents displayed on a host content window 105 .
  • the first guest device 130 displays contents broadcast from the host device 100 on a first guest content window 135 .
  • the second guest device 160 also displays contents broadcast from the host device on a second guest content window 165 .
  • the contents may include a still image, a moving image, audio and all contents that can be used in the host device 100 .
  • the contents may be transmitted from a device other than the host device 100 , or contents generated by the host device 100 according to a user's input. Such a device other then the host device 100 may be an external device connected via cable or wirelessly.
  • the contents may only be manipulated on the host content window 105 of the host device 100 , while the first guest device 130 and the second guest device 160 receive and display contents manipulated by the host device 100 .
  • the same contents may be viewed through devices of a plurality of users using a broadcast system. Accordingly, a plurality of users may have a meeting or perform a cooperative work together using such a broadcast system.
  • the operations of the host device 100 , the first guest device 130 , and the second guest device 160 are explained in detail.
  • FIG. 2 illustrates a host content window for broadcasting contents according to an embodiment of the present invention.
  • the host content window 210 includes a title area 212 , a content display area 214 , and a command icon display area 216 .
  • the title area 212 displays a title of the host content window 210 .
  • the content display area 214 displays current contents.
  • the command icon display area displays icons for inputting various commands.
  • a full screen icon 220 As illustrated in FIG. 2 , a full screen icon 220 , a front page icon 222 , a back page icon 224 , and a broadcast start icon 226 are displayed before contents are broadcast.
  • the full screen icon 220 is used for inputting a command to display the host content window 210 in full screen.
  • the front page icon 222 is used for inputting a command to turn the page of contents forward
  • the back page icon 224 is used for inputting a command to turn the page of contents backward.
  • the front page icon 222 and the back page icon 224 are used for inputting commands with regard to manipulation of contents displayed on the host content window 210 because if the front page icon 222 is touched, the current page of contents are turned to the previous page and thus, the current contents are changed.
  • An icon for inputting commands with regard to manipulation of contents is displayed only on the host device 100 since the host device 100 takes the lead in manipulating contents and the guest devices 130 and 160 only display what is received from the host device 100 .
  • the broadcast start icon 226 is used for inputting a command to start broadcasting contents currently displayed. If a user touches the broadcast start icon 226 to start broadcasting, a host content window 230 in FIG. 3 is displayed.
  • FIG. 3 illustrates the host content window for broadcasting contents according to an embodiment of the present invention.
  • a broadcast end icon 231 As illustrated in FIG. 3 , a broadcast end icon 231 , a full screen icon 232 , a front page icon 233 , a back page icon 234 , a pen icon 235 , and a pallet icon 236 are displayed on the host content window 230 for broadcasting contents.
  • a broadcast end icon 231 As illustrated in FIG. 3 , a broadcast end icon 231 , a full screen icon 232 , a front page icon 233 , a back page icon 234 , a pen icon 235 , and a pallet icon 236 are displayed on the host content window 230 for broadcasting contents.
  • a further description regarding components that are already described with reference to FIG. 2 will not be provided for clarity and conciseness.
  • the host content window 230 for broadcasting contents in FIG. 3 further displays the broadcast end icon 231 , the pen icon 235 , and the pallet icon 236 , and a broadcasting indicator 240 is displayed on an upper portion of the host content window 230 .
  • the broadcast end icon 231 is used for inputting a command to end broadcasting. More specifically, if a user touches the broadcast end icon 231 , the host device ends broadcasting.
  • the pen icon 235 is used for inputting a command to perform a function of taking notes.
  • the function of taking notes refers to a function that allows a user to directly input a certain line on a touch screen.
  • the pen icon 235 may be realized in the form of toggling. Therefore, if a user touches the pen icon 235 once, the pen icon 235 may perform a note-taking function, and if the user touches the pen icon 235 once again, the pen icon 235 may release the note-taking function.
  • the pallet icon 236 is used to input a command for selecting colors used in the note-taking function. If a user touches the pallet icon 236 , a big color selection board is displayed. Accordingly, the user may select colors to be used for the note-taking function by touching colors in the color selection board.
  • the broadcasting indicator 240 indicates that the host device 100 is currently broadcasting contents. If the broadcast indicator 240 is displayed on the host content window 230 , a user may recognize that contents are being broadcast.
  • the host content window 210 before broadcasting is different from the host content window 230 during broadcasting in its configuration.
  • FIG. 4 illustrates a guest content window according to an embodiment of the present invention.
  • a full screen icon 252 a pen icon 254 , and a pallet icon 256 are displayed on the guest content window 250 .
  • Icons for manipulating contents such as a front page icon and a back page icon are not displayed on the guest content window 250 of FIG. 4 .
  • a broadcast indicator 260 for indicating that broadcast is being received is also displayed on the upper portion of the guest content window 250 .
  • the host content window 210 , 230 and the guest content window 250 are windows that display contents, and the host content window 210 , 230 before broadcasting are different from the host content window 210 , 230 after broadcasting.
  • FIG. 5 illustrates an example of a user touching an icon for starting a broadcasting according to an embodiment of the present invention.
  • FIG. 6 illustrates a screen where a menu for selecting a broadcast type is displayed according to an embodiment of the present invention.
  • FIG. 7 illustrates a full-screen-type broadcast according to an embodiment of the present invention.
  • FIG. 8 illustrates a window-type broadcast according to an embodiment of the present invention.
  • the host device 100 displays a host content window 300 before broadcasting in FIG. 2 . As the host device 100 does not start broadcasting yet, nothing is displayed on the screens of the first guest device 130 and the second guest device 160 .
  • the broadcast type selection menu 310 is displayed as illustrated in FIG. 6 .
  • a full screen type as a broadcast type
  • broadcasting is provided on a full screen as illustrated in FIG. 7 .
  • the host device 100 displays the host content window 321 on a full screen.
  • first guest device 130 displays a first guest content window 323 on a full screen
  • second guest device 160 displays a second guest content window 324 on a full screen.
  • the contents displayed on the host content window 321 are also displayed on the first guest content window 323 and the second guest content window 325 .
  • the host device 100 broadcast contents
  • the first guest device 130 and the second guest device 160 receives and displays the contents being broadcast by the host device 100 .
  • the host device 100 displays the host content window 321 in the form of a window on one portion of the screen.
  • the first guest device 130 displays the first guest content window 323 in the form of a window
  • the second guest device 160 displays the second guest content window 325 in the form of a window.
  • the contents displayed on the host content window 321 are also displayed on the first guest content window 323 and the second guest content window 325 . Meanwhile, if a use selects cancellation in FIG. 6 , the host device 100 returns to the state illustrated in FIG. 5 .
  • the host device 100 may broadcast contents to the first guest device 130 and the second guest device 160 .
  • FIG. 9 illustrates an example of a user touching a pen icon of a host device according to an embodiment of the present invention.
  • a host content window displays the pen icon 235 to activate a note-taking function.
  • the note-taking function refers to a function where a text or a drawing written on a screen via a user's touch is recognized and received by the host device 100 .
  • the host device 100 may receive the text or the drawing by recognizing the location pointed by the user.
  • the note-taking function is activated.
  • the note-taking function may also be realized on the guest devices 130 and 160 .
  • the pen icon 235 is highlighted to indicate that the note-taking function is activated as illustrated in FIG. 10 .
  • the pen icon 235 can be highlighted using a thicker color or using a different color.
  • the note-taking function may be realized using a pointing device.
  • a cursor may be displayed at a location where a pointing device points to. The shape of the cursor may be changed by a user.
  • FIG. 10 illustrates an example of a user is drawing a circle on a host content window according to an embodiment of the present invention
  • the host device 100 broadcasts the note-taking information input by the user. Accordingly, the first guest device 130 and the second guest device 160 may receive the note-taking information and displays the note-taking information on the screen.
  • a screen including the circle may be generated as a single image file and then transmitted, or only the circle may be generated as a single image file and information regarding the location of the circle may be generated separately and then transmitted together.
  • FIG. 11 illustrates a circle on a host device is also displayed on a first guest device and a second guest device according to an embodiment of the present invention.
  • the circle displayed on the host content window 200 is also displayed on a first guest content window 430 and a second guest content window 460 .
  • the first guest device 130 and the second guest device 160 may receive and display a full screen with a circle as a single image file or may display an image file with a circle by referring to information regarding a location of the circle.
  • the contents on the host device 100 are also displayed on the first guest device 130 and the second guest device 160 and thus, a plurality of users may work cooperatively using the host device 100 , the first guest device 130 and the second guest device 160 .
  • the guest devices 130 and 160 may be host devices if necessary.
  • the device where a user's note-taking information is input becomes a host device.
  • FIG. 12 illustrates an example of a user touching a pen icon of a host device once according to an embodiment of the present invention.
  • FIG. 13 illustrates a screen where a pen icon of a host device has been returned to its original state according to an embodiment of the present invention.
  • the pen icon 235 operates using a toggling method.
  • a user may use the note-taking function using the pen icon 235 , and the text or drawing input from the host device 100 may be broadcast to the guest devices 130 and 160 .
  • the text or drawing input from the guest devices 130 and 160 may be broadcast to the host device 100 and other guest devices. This broadcast is explained I more detail herein with reference to FIGS. 14 to 16 .
  • FIG. 14 illustrates an example of a user touching a pen icon of a first guest device according to an embodiment of the present invention.
  • the first guest device activates the note-taking function.
  • a pointing device may be used to input a user's command with regard to the first guest device 130 as in the host device 100 .
  • FIG. 15 illustrates an example of a user is drawing a triangle on a first guest content window according to an embodiment of the present invention.
  • the pen icon 254 is activated as the note-taking function is activated in the first guest device 130 .
  • a user may perform note-taking on the screen of the first guest device 130 .
  • a user is drawing a triangle on the first guest content window 430 .
  • the first guest device 130 transmits the note-taking information to the host device 100 and the second guest device 160 .
  • FIG. 16 illustrates a triangle on a first guest device is also displayed on a host device and a second guest device according to an embodiment of the present invention.
  • the note-taking information regarding the triangle drawn on the first guest device 130 is transmitted to the host device 100 and the second guest device 160 . Accordingly, the triangle drawn on the first guest device 130 is also displayed on the host device 100 and the second guest device 140 . As such, the guest device 130 may not change the contents that are currently being displayed but may perform the note-taking function and transmit the note-taking information to another device.
  • the host device 100 and the guest devices 130 and 160 may store note-taking information.
  • the host device 100 and the guest devices 130 and 160 may also be configured to delete the note-taking information after a predetermined period of time elapses.
  • different colors used for note-taking may be set for each device.
  • the note-taking by the host device 100 may be displayed in red
  • the note-taking by the first guest device 130 may be displayed in green
  • the note-taking by the second guest device 160 may be displayed in blue.
  • colors are used differently for each device and thus, a user may recognize who is doing which note-taking easily.
  • a separate icon for selecting colors on the content windows 400 , 430 , 460 may be displayed, and a plurality of colors may be selected for each device. For example, three colors may be allocated to each device and one out of the three colors may be selected. In addition, a different color may be allocated to each device. For example, if red, orange, and yellow are allocated to the host device 100 , green, blue, and purple may be allocated to the first guest device 130 . This color-selection scheme is useful when a single device is used by a plurality of users while a user of one of the devices wishes to change colors.
  • each color used by a user may be stored in a separate file and thus, note-taking information of each user may be identified later. Further, it is also possible to delete note-taking by each color.
  • the note-taking information input by a specific user from among a plurality of users may be obtained, and a GUI for selecting a user or a color may be provided.
  • FIG. 17 illustrates broadcasting contents while multi-tasking with another application according to an embodiment of the present invention.
  • the host device 100 may recognize that a host content window 510 is displayed along with a first application window 515 . More specifically, the host device 100 may broadcast contents of the host content window 510 while executing the first application 515 .
  • the first guest device 130 may also display broadcast contents on a first guest content window 520 while displaying a second application window 525 on the screen. More specifically, the first guest device 130 may also display the first guest content window 520 displaying broadcast contents while executing the second application 525 at the same time.
  • the second guest device 160 may also display broadcast contents on a second guest content window 530 while displaying a third application window 535 on the screen. More specifically, the second guest device 160 may also display the second guest content window 530 displaying broadcast contents while executing the third application 535 at the same time.
  • the host device 100 and guest devices 130 and 160 may display broadcast contents while performing multi-tasking with another job.
  • the host device 100 , the first guest device 130 , and the second guest device 160 may each have a microphone and a speaker. In this case, the host device 100 may broadcast audio contents to the guest devices 130 and 160 .
  • FIGS. 18 and 19 illustrate examples of broadcasting audio contents according to an embodiment of the present invention.
  • FIG. 18 illustrates an example of a user inputting audio contents to the host device 100 according to an exemplary embodiment.
  • a microphone icon 620 for activating an audio content input function is displayed on a host content window 610 .
  • the audio content input function refers to a function where if a user inputs voice using a microphone, the host device 100 stores the input voice.
  • the microphone used for inputting voice may be provided integrally with the host device 100 or may be connected to the host device 100 via cable or wirelessly. Sound input via the microphone is not limited to a user's voice, and surrounding sound may also be input via the microphone.
  • the host device 100 may receive voice using a microphone and also receive audio contents from an external source (not shown) and external storage medium (not shown).
  • the external source includes a server outside of the host device 100 and the external storage medium refers to a storage medium that can be coupled to the host device 100 .
  • Examples of such a storage medium includes a memory card, a memory stick, a flash memory, a hard disk, and an optic disk, etc., and each of the storage media may be provided in various forms.
  • FIG. 19 illustrates an example of audio content input to the host device and transmitted and output to guest devices.
  • the input voice is stored in the host device 100 and output to the guest devices 130 and 160 .
  • the guest devices 130 and 160 may output audio contents only when there is an input from a user via the guest devices 130 and 160 or the guest devices 130 and 160 may output audio contents automatically when the audio contents are transmitted from the host device.
  • the guest devices 130 and 160 may be internal devices having a speaker or devices where a speaker is connected via cable or wirelessly.
  • a user may input audio contents and listen to output audio contents using a headset where a speaker and a microphone are integrally formed.
  • the headset is connected to the host device 100 or the guest devices 130 and 160 via cable or wirelessly.
  • FIG. 20 illustrates an example of a user touching an icon for ending broadcasting according to an embodiment of the present invention
  • FIG. 21 illustrates a screen where a message to end broadcasting is displayed according to an embodiment of the present invention
  • FIG. 22 illustrates an example of broadcasting ended according to an icon for ending broadcasting according to an embodiment of the present invention.
  • a user may use the broadcast end icon 231 in order to end broadcasting of contents. If a user touches the broadcast end icon 231 , a message 750 for confirming termination of broadcasting is displayed as illustrated in FIG. 21 .
  • the broadcast end confirmation message 750 may be displayed if the end icon 231 is pointed using a pointing device or a separate selection button is pointed and then pressed.
  • the display the broadcast end confirmation message 750 in FIG. 21 is only provided as an example and broadcast may be ended without displaying the broadcast end confirmation message 750 in accordance with embodiments of the present invention.
  • a host content window 705 of the host device 100 is changed to be in a state where contents are not broadcast (see the example described with reference to FIG. 2 ), and the first guest device 130 and the second guest device 160 do not display a guest content window any more.
  • a user may end broadcasting using a close-window icon 710 of a host content window 700 , which is explained in further detail with reference to FIGS. 23 and 24 .
  • FIG. 23 illustrates an example of a user touching an icon for closing a host content window according to an embodiment of the present invention.
  • FIG. 24 illustrates an example of broadcasting ended according to an icon for closing a host content window according to an embodiment of the present invention.
  • the host content window 700 displayed on the host device 100 disappears, as shown in FIG. 24 .
  • the first guest device 130 and the second guest device 160 no longer display a guest content window, as shown in FIG. 24 .
  • FIG. 25 illustrates a screen where a message to confirm storage of notes are displayed according to an embodiment of the present invention.
  • the host device 100 may store notes that have been taken to the present moment.
  • the host device 100 may display the note-taking storage confirmation message 790 as illustrated in FIG. 25 .
  • the host device 100 stores all of the notes that have been taken to the present and ends broadcasting as illustrated in FIG. 24 .
  • examples of screen displays according to processes for broadcasting contents by the host device 100 to the guest devices 130 are 160 are described with reference to FIGS. 1 to 25 .
  • a method of broadcasting contents by the host device 100 to the guest devices 130 and 160 is described in detail with reference to FIGS. 26 and 27 .
  • FIG. 26 is a flowchart illustrating a method for broadcasting contents of a host device and a guest device according to an embodiment of the present invention.
  • the host device 100 displays contents on a host content window, in step S 810 . If a command to start broadcasting is input by a user, in step S 820 -Y, the host device 100 broadcasts the contents being displayed, in step S 830 . Subsequently, the contents are transmitted to the guest device 130 and 160 , in step S 833 , and the guest device 130 and 160 display the received contents on a guest content window, in step S 835 .
  • the host device 100 displays a content manipulation icon on a host content window, in step S 840 .
  • the host device 100 changes the form of a host content window from the form of FIG. 2 to the form of FIG. 3 .
  • the content manipulation icon refers to an icon for inputting commands for manipulation contents on a content window.
  • the content manipulation icon includes at least one of an icon for turning content pages forward and an icon for turning content pages backward.
  • step S 850 -Y the host device 100 broadcasts the contents manipulated by the user, in step S 860 .
  • the manipulation of contents means changing contents on the screen.
  • the manipulation of contents may represent changing a content file which is currently being displayed or changing a content page.
  • the manipulation of contents may be performed by manipulating a content manipulation icon.
  • the changed contents are transmitted to a guest device, in step S 863 , and the guest devices 130 and 160 display the changed contents on a guest content window, in step S 865 .
  • the host device 100 and the guest devices 130 and 160 may share the same contents.
  • step S 870 -Y If a user's note-taking is input via a touch screen of the host device 100 , in step S 870 -Y, the host device 100 displays the input note-taking on the screen and broadcast the note-taking information, in step S 873 . Subsequently, the note-taking information is transmitted to the guest devices 130 and 160 , in step S 875 and the guest devices 130 and 160 display the received note-taking of the user on a guest content window, in step S 878 .
  • step S 880 -Y If a user's note-taking is input via a touch screen of the guest devices 130 and/or 160 , in step S 880 -Y, the guest devices 130 and 160 display the input note-taking on a screen and broadcast the note-taking information, in step S 883 .
  • the guest devices 130 and 160 also store presently taken notes, in step S 884 ).
  • the note-taking information is transmitted to the host device 100 , in step S 885 , and the host device 100 displays the received note-taking on a host content window, in step S 888 .
  • the host device 100 stores the received presently taken notes, in step S 889 .
  • the user's notes input to the guest devices 130 and 160 and the user's notes input to the host device 100 may be displayed in different colors from each other. As such, if different colors are used for each device, each user may easily distinguish who has taken particular notes.
  • a separate application may be displayed on an area outside of a display area of a content window on the host device 100 and the guest devices 130 and 160 .
  • the host device 100 and the guest device 130 and 160 may perform multi-tasking through such a display arrangement.
  • a broadcast indicator indicating that contents are being broadcast is displayed on a content window.
  • the host device 100 and the guest devices 130 and 160 may share the same contents.
  • a single device may alternately perform the function of a host that broadcasts contents and may perform the function of a guest that receives and displays contents.
  • the process of devices being allocated as hosts and guests is described hereinafter.
  • FIG. 27 is a flowchart to explain a method for setting a device to be in a host mode or in a guest mode according to an embodiment of the present invention.
  • the host mode is a mode where the device is set to function as the host device 100 and the guest mode is a mode where the device is set to function as a guest device 130 or 160 .
  • a device determines whether a broadcast command is input, in step S 910 . If the broadcast command is input, in step S 910 -Y, the device sets a mode to a host mode, in step S 920 , i.e., the device performs the function of the host device 100 that broadcasts contents.
  • the device broadcasts contents that are currently displayed on a host content window and the device displays a content manipulation icon on a host content window, in step S 940 . More specifically, the device changes a host content window from the form illustrated in FIG. 2 to the form illustrated in FIG. 3 .
  • the device determines whether contents broadcast from another device are received while a broadcast command is not input, in steps S 910 -N and S 950 . If contents broadcast from another device are received, in step S 950 -Y, the device sets a mode to a guest mode, in step S 960 and the device displays the received contents on a guest content window, in step S 970 .
  • the device displays the input notes on a screen and broadcasts information regarding the input notes, in step S 990 . More specifically, the device broadcasts a user's notes whenever the notes are input regardless of a current mode of the device (i.e., regardless of whether the device is in a host mode or a guest mode). The device also stores presently-taken notes, in step S 995 . Through the above-described process, the device may function as a host or a guest when sharing contents.
  • FIG. 28 is a block diagram illustrating a configuration of a device according to an embodiment of the present invention.
  • a device includes a function block 1010 , a communication unit 1020 , a manipulation unit 1030 , a display unit 1040 , and a control unit 1050 .
  • the function block performs original functions of a device. For example, if a device is a desktop, the function block 1010 performs desktop functions, and if a device is a smart board, the function block 1010 performs the function of the smart board necessary for a digital conference. If a device is another type of electronic device (such as a mobile phone, electronic book, etc.), the function block 1010 performs the corresponding original functions of the electronic device.
  • the communication unit 1020 is connected to an external device via cable or wireless so as to communicate with the external device.
  • the communication unit 1020 may communicate with an external device wirelessly via wireless LAN, Bluetooth®; or Zigbee®.
  • the communication unit 1020 may communicate with an external device via cable such as RS-232, Universal Serial Bus (USB), wireless LAN, and High-Definition Multimedia Interface (HDMI).
  • USB Universal Serial Bus
  • HDMI High-Definition Multimedia Interface
  • the manipulation unit 1030 receives input for a specific command through a user's manipulation.
  • the manipulation unit 130 may include button, wheel, a touch screen, etc.
  • the manipulation unit 1030 may also include a pointing device (not shown). In certain cases, such as when the manipulation unit 1030 includes a pointing device, part of the manipulation unit 1030 may not be integrally formed with the device.
  • the pointing device may mounted with an infrared light emitting unit, an infrared light sensing unit, an acceleration sensor, and a gyro sensor and may calculate a user's input into a coordinates regarding a location pointed by the user. If an infrared light emitting unit is mounted on a pointing device, an infrared light sensing unit will be mounted on the device, and if an infrared light sensing unit is mounted on the pointing device, an infrared light emitting unit will be mounted on the device. In addition, if a laser generating unit is mounted on a pointing device, a laser sensing unit will be mounted on the host device 100 or the guest devices 130 and 160 . The laser sensing unit may be configured as a camera or other devices that can recognize lasers generated from a laser generating unit. In this case, a pointing device including a laser generating unit may be a laser pointer.
  • the display unit 1040 displays an input image. Specifically, the display unit 1040 displays contents on a content window. Three examples of contents windows are described herein with reference to FIGS. 2 to 4 .
  • the control unit 1050 performs operations described with reference to FIG. 27 so as to control the device to function as a host device or a guest device. More specifically, if a broadcast start command is input through a manipulation unit, the control unit 1050 sets the mode of the device to a host mode so as to broadcast contents that are being displayed on a content window. However, if contents broadcast from an external device are received from the communication unit 1020 , the control unit 1050 sets the mode of the device to a guest mode so as to display the received contents on a content window.
  • control unit 1050 controls to display an icon for inputting a command regarding manipulation of contents on a content window. In this case, the control unit 1050 controls to display a host content window described with reference to FIG. 3 .
  • control unit 1050 controls the device not to display an icon for inputting a command regarding manipulation of contents on a content window. In this case, the control unit 1050 controls to display a guest content window illustrated in FIG. 4 .
  • control unit 1050 controls the communication unit 1020 to broadcast contents which are being displayed on a content window and to display at least one icon for inputting a command regarding manipulation of contents on a content window. If at least one icon is manipulated, the control unit 1050 controls the communication unit 1020 to broadcast contents that are changed in accordance with the manipulation.
  • control unit 1050 controls other functions that are described herein-above with reference to FIGS. 1 to 24 .
  • a device may be any device that has a display.
  • the device may be a desktop, a smart board, a TeleVision (TV), a notebook computer, etc.
  • the device may be a mobile device such as a mobile phone, an electronic book, a Motion Picture Experts' Group Audio Layer 3 (MP3) player, an electronic notepad, an electronic album, etc.
  • MP3 Motion Picture Experts' Group Audio Layer 3

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KR20100132417A (ko) 2010-12-17
US20220147305A1 (en) 2022-05-12
WO2010143843A3 (fr) 2011-02-24
KR101602730B1 (ko) 2016-03-14
WO2010143843A2 (fr) 2010-12-16
US11656836B2 (en) 2023-05-23
EP2442559B1 (fr) 2016-09-28
EP2442559A4 (fr) 2013-03-13
EP2442559A2 (fr) 2012-04-18
US11243736B2 (en) 2022-02-08
US20170147278A1 (en) 2017-05-25

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