KR101525246B1 - Apparatus and method for inputting of character in image display device - Google Patents

Abstract

An apparatus and method for inputting characters in an image display device, the method comprising: detecting a data input request from a user during a video output mode; A character input window for inputting data and a character input help window spaced apart from the character input window by a predetermined distance; And inputting characters to the character input window so as to correspond to characters input from the remote controller.

Accordingly, the user can easily and promptly input characters by displaying a character input help window at a predetermined position for easy character input.

Video display device, data broadcasting, text input

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a character input apparatus and a method for inputting characters in an image display apparatus,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video display device, and more particularly, to an apparatus and method for inputting characters according to data broadcasting.

Recently, as digital broadcasting is proceeding in earnest, digital data broadcasting has been actively promoted in various countries as a next generation growth engine. Regarding the Advanced Common Application Protocol (ACAP), the Korea Terrestrial Data Broadcasting Standard, the Korea Telecommunication Technology Association (TTA) is distributing "Terrestrial DTV Data Broadcasting Transmission / Reception Matching Guidelines". It is recommended that HAVi (Home Audio / Video interoperability) UI be used for the character input method when inputting Hangul.

Recently, the frequency of use of text input is gradually increasing due to diversification of bidirectional services such as T-Commenrce in data broadcasting.

The conventional character input method is implemented by using IME (Input Method Editor) which is different for each manufacturer. 1 is a diagram illustrating an example of a character input method of a conventional DTV data broadcasting. When a user presses a predetermined key ("character input") provided with a remote controller for inputting characters, the character input device is positioned at the center of the screen, and the user uses an external control device such as a remote controller to combine the up, And inputting a character.

There is a disadvantage in that it is difficult to easily recognize the information of the broadcast screen and the various data as it is located prior to the character input screen of the data broadcasting application.

As another example, in the case of the character input method, the IME is located at the lower right of the screen with the fixed position, and the conversion information of the character type such as the Korean / English character / English letter / You must alternate between the box, the IME, and the remote controller. Therefore, the user has difficulty in inconvenience and time loss for simple character input.

The present invention has been made to solve the above problems, and it is an object of the present invention to provide a method and apparatus for facilitating character input through a screen of a video display device when a character input such as data broadcasting is required to the user There is a purpose.

According to an aspect of the present invention, there is provided a method of controlling a display device, the method comprising: detecting a data input request from a user during a video output mode; A character input window for inputting data and a character input help window spaced apart from the character input window by a predetermined distance; And inputting characters to the character input window so as to correspond to characters input from the remote controller.

According to another aspect of the present invention, there is provided a broadcast receiving apparatus including: a receiving unit for receiving broadcast data from a broadcasting station;

A display unit for displaying data broadcasting contents included in the broadcast data according to a user request and displaying a key arrangement image corresponding to a key arrangement of the remote controller in response to a user request, ; A user interface unit for receiving character data from a remote controller; A character input window for displaying a character input help window corresponding to a key arrangement of the character input window and the remote controller in response to a character input request; And a control unit for controlling the display unit.

As described above, the present invention provides an apparatus and method for inputting characters in a video display device, wherein a user can display a character input help window at a predetermined position for easy character input, thereby providing quick and easy inputting of characters .

In addition, the present invention has the effect of allowing the user to conveniently use the character input of the data broadcasting application, thereby making it possible to use the data broadcasting more variously.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features and advantages of the present invention will be more apparent from the following description taken in conjunction with the accompanying drawings, in which: FIG.

1 is a block diagram of an image display system to which the present invention is applied. The video display system according to the embodiment of the present invention receives broadcast signals from various broadcasting signals and various broadcasting data according to an embodiment of the present invention and broadcasting stations 300 and receives various broadcasting signals according to user input A remote controller 200 capable of performing data input according to various control signals for operation of the video display device 100 and data broadcasting received from the broadcasting station, ).

The image display apparatus 100 according to the embodiment of the present invention includes a transmitting / receiving unit 110, a processing unit 120, an output unit 130, a control unit 140, and a user interface unit 141, And may further include a storage unit 150.

The transmitter / receiver 100 may include an external signal input unit 111 and a tuner unit 112. The processing unit 120 may include an image / audio signal switching unit 121, an A / D converter 122, And an image memory unit 124. The output unit 130 may include a video signal output unit 131, a display module 132, a voice signal output unit 133 and a speaker 134. The control unit 140 may include a central processing unit 142 and a control memory unit 143. The storage unit 150 may include a PVR control unit 151, And may include a storage medium 152.

 The external signal input unit 111 receives an external signal received from an external device such as a digital versatile disk (DVD), a set top box, a camcorder, etc. and provides the signal to the video / audio signal switching unit 121.

The tuner unit 112 tunes at least one channel according to a control signal of the central processing unit 142 and decodes or separates video / audio / data signals received through the tuned channel, 121). The data signal includes EPG (Electric Program Guide) information including information on a start time and an end time of a broadcast program broadcasted on each channel.

The data signal can be decoded into data information by decoding. Information of a program, which is at least a part of the information, is directly or indirectly transferred to the central processing unit 142, and the central processing unit 142, It is possible to search for another channel on which the same content as the currently broadcasted content is being broadcast.

In addition, according to an embodiment of the present invention, it may include data information on various broadcasts received from a broadcasting station, and may transmit user data to the broadcasting station through the transmission / reception unit 110, .

The tuner unit 112 includes an analog tuner 112a for receiving an analog signal, a digital tuner 112d for transmitting and receiving a digital signal, an analog decoder 112b for decoding an analog signal, and a digital decoder 112e for decoding a digital signal . The video / audio signal output through the digital decoder has the form of a transport stream (TS). In addition, the tuner unit 112 according to the embodiment of the present invention transmits various data inputted by a user request to the broadcasting station 200. Therefore, it performs a function of performing bidirectional communication between the broadcasting station 200 and the video display device 100.

The video / audio signal switching unit 121 selects at least one channel among the channels provided from the external signal input unit 111 and the tuner unit 112 and separates the video / audio signal of the channel A post-MPEG decoder and a video / audio signal processor 123, and the like. The video / audio signal switching unit 121 may include a demultiplexer capable of separating video / audio / data signals.

When the signal selected by the video / audio signal switching unit 121 is an analog signal, the video signal of the analog signal is separated from the audio signal, and the analog video signal is converted into a digital video signal from the A / D converter, Decoder and the video / audio signal processing unit 123, and the analog audio signal may be provided to the audio signal output unit 133. If the signal selected by the video / audio signal switching unit 121 is a digital signal, both the video signal and the audio signal of the digital signal can be provided to the MPEG decoder and the video / audio signal processor 123.

The MPEG decoder and the video / audio signal processor 123 reconstruct the video / audio stream of the output signal of the video / audio signal switching unit 121 into video / audio data and processes the video / audio stream, And the processed voice signal is provided to the voice signal output unit 133. [0033] The MP decoder and the video / audio signal processor 123 may mix the OSD data provided by the central processor 142 and the restored and processed video signals. The MPEG decoder and the video / audio signal processor 123 according to the embodiment of the present invention perform a function of outputting various data to the user in accordance with the data broadcast output through an OSD On Screen Display (PIP) or a Picture In Picture (PIP). Thus, the user can input various data.

In particular, the MPEG decoder and the video / audio signal processor 123 display the images of the collected channels on the screen in a predetermined manner when the channel deciding method is determined manually. A pre-dubbing image may be displayed on the screen according to a control signal transmitted through the user interface 141 by one channel among various channels that can be received through the tuner unit 110. [

The video memory unit 124 provides a memory area required for decoding and signal processing of the MPEG decoder and the video / audio signal processor 123. The control memory unit 143 may be used in a search step of searching for another channel broadcasting the same content and is used to compare the content identity of two or more channels when the symbol use step and the image comparison step are performed.

The video signal output unit 131 processes the video signal output from the MPEG decoder and the video / audio signal processing unit 123 in a form that can be outputted through the display module 132, and the audio signal output unit 133 And processes the audio signal output from the MPEG decoder and the video / audio signal processing unit 123 in a form that can be outputted through the speaker 134.

The user interface unit 141 may be a local key button attached to, for example, a remote controller or a video apparatus. The user interface unit 141 receives various commands and information from a user, converts the command into a control signal, and transmits the control signal to the central processing unit 142. The user interface unit 141 according to the embodiment of the present invention is connected to the remote controller 300 and performs a function of receiving various key input signals inputted from the remote controller 300. Also, the key input is displayed on the screen so as to correspond to the key arrangement of the remote controller, so that the user can easily input the key using the remote controller.

The PVR control unit 151 controls the video / audio signal switching unit 121 or the MPEG decoder and the video / audio signal output from the video / audio signal processing unit 123 according to the control of the central processing unit 142, 152 and may read the video / audio signal stored in the storage medium 152 and provide it to the MPEG decoder and the video / audio signal processor 123.

As described above, the video display device 100 to which the present invention is applied receives various broadcast video / audio and data signals received from the broadcasting station 200 and outputs it to a user, and various character data To the broadcasting station (200). In particular, the video display device 100 displays a character input help window at a predetermined interval from the character input window when inputting character data to facilitate input of characters from the user.

The character input help window may be displayed on an effective screen for displaying an image of a screen so that a user can easily input a character, and when the character input help window is out of an ineffective screen, It is possible to move and display in the range.

Hereinafter, a user character input operation according to an embodiment of the present invention will be described in detail with reference to FIG. 3 to FIG.

3 is a flowchart of a character input operation in a video display device according to an embodiment of the present invention.

The central processing unit 142 performs a broadcast output mode for outputting image / audio / data for a user request channel received through the remote controller 200 through the tuner unit 112. In step 305, The data broadcasting contents received from the broadcasting station 200 are displayed on the display module 132 when a predetermined key input requesting data broadcasting output is inputted from the remote controller 300 in step 310. In step 315, )

The data broadcasting displays a display or the like indicating that the data broadcasting is performed from the broadcasting station 200 on a predetermined area of the screen so that the user can check the contents according to the data broadcasting.

The central processing unit 142 determines whether a user data input request signal for login or the like for viewer quiz participation or broadcasting viewing is inputted from the remote controller 300 according to the data broadcasting contents display. The signal may be performed through a predetermined key input or menu entry provided in the remote controller.

In step 325, the central processing unit 142 checks the user data according to the data content provided by the broadcasting station in response to the user data input request. The character input destination may be a letter or a number.

Accordingly, the central processing unit 142 displays the character input window 505 as shown in the screen example of FIG. 5 in operation 330, and controls the operation of the remote controller 300 The central processing unit 142 determines whether a character conversion request signal is input from the remote controller 300. If the character conversion request signal is input from the remote controller 300, In step 340, when the "Han / Yeongdae / Young / Numerical Keys" provided in the remote controller 300 are input, the type of characters input in the character input window is changed in the order of Han / Young / Young / . In the embodiment of the present invention, the Korean character, the middle character, the English character, and the numeric character can be flexibly displayed in the character input help window 510 according to the input subject.

Accordingly, when the character conversion request signal is input, the central processing unit 142 converts the type of characters included in the key displayed in the character input help window 510 and displays the converted character. (Step 345) The user inputs characters corresponding to the characters input from the remote controller 300 into the character input window 505 while viewing the character input help window 510 displayed on the display module 132. In step 350, The key displayed in the character input help window 510 corresponding to the character to be displayed may be highlighted and displayed.

The central processing unit 142 determines whether the character input from the remote controller 300 is terminated by the user in step 355 and turns off the character input window 505 and the character input help window 510 )

On the other hand, when the character input window 505 has a plurality of characters as shown in the screen example of FIG. 5, when the character input is completed in the first character input window 505a, the second character input window 505b is highlighted and the second character input window 505b The character input help window 510 is displayed at a position where the character input help window 510 can be easily input. 6, when the position where the character input help window 510 is displayed is outside the valid screen 500, which is the screen on which the image is displayed, the display of the complete character input help window 510 is not possible Do. Therefore, the character input help window 510 is moved upward to be displayed on the valid screen 500 as shown in the screen example of FIG.

The operation of displaying the character input help window 510 will be described in detail with reference to FIGS. 4 to 10. FIG.

FIG. 4 is a flowchart illustrating a display operation of the character input help window 510 in the video display device 100 according to the embodiment of the present invention. FIGS. 5 to 10 illustrate a display operation of the video display device 100 according to an embodiment of the present invention. FIG. 8 is an exemplary screen for displaying the character input help window 510; FIG.

The central processing unit 142 displays the contents according to the data broadcasting received from the broadcasting station 200 in step 405. In operation 410, 6, when a user data input request is received from the remote controller 300 through the control unit 141 in step 415, the character input window is displayed as shown in FIG. 6. In step 420, 5 is a diagram illustrating an example of inputting a character to the second character input window 505b after the character input is completed in the first character input window 505a in a state of being displayed as shown in FIG.

The central processing unit 142 checks the position of the character input window 505 in which the character is to be input in step 425 and confirms the position where the character input help window 510 is displayed in step 430. At this time, If the display position of the character input help window 510 is out of the effective screen 500 as shown in the screen example of FIG. 6 (step 435) When the input window 505 and the character input help window 510 are both displayed at the reference position, the display is performed as illustrated in the screen example of FIG. 5. In operation 440,

On the other hand, when the character input help window 510 is displayed at a position outside the effective screen 500 as shown in FIG. 6A, the display position of the character input help window 510 is moved based on the character input window 505 (Step 445), the character input help window 510 is displayed at the moved position (step 450)

That is, when a character is to be input to the second character input window 505b, the character input help window 510 is displayed outside the effective screen 500, and a character spaced a predetermined distance to the right side of the second character input window 505b The input help window 510 is moved to the upper side (right upper side with respect to the character input window 505a) so that the character input help window 510 can be displayed inside the effective screen 500. [

As described above, in the embodiment of the present invention, when a character input request is generated by a user request, the character input window 505 for inputting characters and the remote controller 300 for facilitating the inputting of characters into the character input window 505 The character input help window 510 corresponding to the character key arrangement is displayed. At this time, the character input help window 510 is preferentially displayed at a predetermined interval with reference to the upper right corner of the character input window 505. When the character input help window 510 displayed at this time is out of the effective screen 500, the character input help window 510 is displayed on the effective screen 500 based on the character input window 505 according to a predetermined reference So as to be displayed.

Hereinafter, the operation according to the display position of the character input help window will be described with reference to FIGS. 7 to 10. FIG.

7A shows a case where the character input help window 510 is moved away from the effective screen 500 at the reference position as the character input window 505 is positioned at the lower end of the effective screen 500 . At this time, the character input help window 510 is displayed on the upper side of the first character input window 505a at a predetermined interval as shown in the screen example of FIG.

8 (a) is a diagram illustrating an example in which a character input help window 510 is displayed on the upper right side with a predetermined interval from the character input window 505, and when the characters are out of the effective screen 500, The character input help window 510 is displayed on the lower side spaced apart from the input window (first character input window) 505a by a predetermined distance as shown in a screen example (b). On the other hand, when a character input is requested to the second character input window 505b as shown in the screen example (c), the character input help window 510 is displayed on the lower side of the character input window 505b as shown in FIG. The screen will be out of the valid screen. Therefore, the character input help window 510 is displayed on the left side of the second character input window 505b at a predetermined interval as shown in the screen example of FIG.

9 is a diagram illustrating an example of a character input window 505a that is spaced a predetermined distance from the right or upper side of the character input window 505a so that when the character input help window 510 is moved out of the effective screen 500 at the time of display, The input help window is displayed. 9, when a character input help window 510 is displayed at a predetermined interval on the left side of the character input window 505, a part of the character input help window 510 is displayed as an effective screen 500 ). ≪ / RTI > At this time, as shown in FIG. 9 (b), the character input window 505 is spaced apart from the character input window 505 by a predetermined distance, so that the character input help window 510 can be displayed on the effective screen 500 .

When the character input window 505 is displayed at a predetermined position on the effective screen 500, the character input window 510 is spaced apart from the character input window 505 by a predetermined distance. At this time, the character input help window 510 is displayed so as not to cover the character input window 505 so that the character input window 510 is displayed inside the effective screen 500.

On the other hand, in the example of FIG. 10, when the character input window 505 is displayed at the center of the area of the effective screen 500, the character input help window 510 can not be displayed, Overlapping display. At this time, the overlapping character input help window 510 is made semi-transparent so that the character input window 505 is not covered.

FIG. 1 is a diagram illustrating a character input method of a conventional DTV data broadcasting.

2 is a block diagram of a video display system to which the present invention is applied.

3 is a flowchart of a character input operation in a video display device according to an embodiment of the present invention;

4 is a flowchart illustrating a display operation of a character input help window in a video display device according to an embodiment of the present invention.

FIG. 5 to FIG. 10 are exemplary views of a display screen of a character input help window in a video display device according to an exemplary embodiment of the present invention; FIG.

Claims (24)

Detecting a data input request from a user during a video output mode; A character input window for inputting data and a character input help window spaced apart from the character input window by a predetermined distance; And inputting characters to the character input window so as to correspond to characters input from the remote controller, When a character input is generated from the remote controller, a character key corresponding to a character input in the character input help window is highlighted, When the character input window and the character input help window are displayed, the character input help window is displayed at a position spaced apart from the character input window by a predetermined distance, When the character input help window is displayed, when a part of the character input help window is out of the valid screen, Wherein when the character input window is displayed, when the character input help window is not displayed, the character input window is superimposed on the character input window at the center of the effective screen. The method according to claim 1, wherein the character arrangement displayed in the character input help window is the same as the character keys provided in the remote controller. The method according to claim 1, wherein the characters displayed in the character input help window are changed according to the type of characters to be input in the character input window. delete delete The method as claimed in claim 1, wherein the reference at a position where the character input window is displayed is an upper right corner of a character input window displayed at the uppermost position. delete The method according to claim 1, wherein when the lower end of the character input help window is out of the valid screen, the character input help window is moved to the upper right side and displayed on the valid screen. The method according to claim 1, wherein when the right or lower end of the character input help window is out of the effective screen, the character input help window is moved to an upper side spaced apart from the character input window located at the uppermost position and displayed on the effective screen Character input method in a video display device. The character input method according to claim 1, wherein when the right side or the upper side of the character input help window deviates from the effective screen, the text input window is moved to a lower side spaced apart from the character input window located at the uppermost position, . 11. The video display device of claim 10, wherein when the character input help window is displayed, the character input help window is displayed on the left side of the character input window when the character input help window is displayed, Way. The method according to claim 11, wherein when the character input assistance window displayed on the left side is out of the valid screen, the character input help window is moved to the upper left side spaced apart from the character input window by a predetermined distance and displayed on the effective screen A method of inputting characters in a video display device. delete A receiving unit for receiving broadcast data from a broadcasting station; A display unit for displaying data broadcasting contents included in the broadcast data according to a user request and displaying a key arrangement image corresponding to a key arrangement of the remote controller in response to a user request, ; A user interface unit for receiving character data from a remote controller; A character input window for displaying a character input help window corresponding to a key arrangement of the character input window and the remote controller in response to a character input request; And a controller Wherein the image signal output unit displays a key image corresponding to a key input from the user interface unit on the character input help window and displays the character input help window in a state of being spaced apart from the character input window by a predetermined distance Wherein when the character input window is displayed, when the character input help window is not displayed, the character input window is displayed in a superimposed manner on the character input window at the center of the effective screen. 15. The method according to claim 14, wherein, when the character conversion key is inputted through the user interface unit, the video signal output unit sequentially displays the character type of the displayed character input help window in Korean, English, English, Wherein the character input device is a character input device. delete delete 15. The video display device according to claim 14, wherein the video signal output unit displays a character input window and a character input help window displayed in the effective screen area at a predetermined interval based on an upper right corner of the character input window Character input device. 19. The apparatus of claim 18, wherein the video signal output unit moves to a valid area of the screen when the character input help window is out of the valid screen area and is displayed. The character input device according to claim 19, wherein when the lower end of the character input help window is out of the effective screen area, the character input help window is moved to the upper right side to be displayed in the effective screen area. The method according to claim 19, wherein, when the right or bottom portion of the character input help window is out of the effective screen region, the video signal output unit moves the character input help window to a character input window located at the uppermost position, And a display unit for displaying the character image on the display unit. The display device according to claim 19, wherein the video signal output unit displays the character input window located at the uppermost position and the lower side spaced apart by a predetermined height when the right or upper side of the character input help window is out of the valid screen region A character input device in a video display device. 23. The video display device of claim 22, wherein the video signal output unit moves to the left side of the character input window to display the character input help window when the character input help window moved downward is out of the valid screen region Character input device. The display device according to claim 23, wherein, when the character input help window displayed on the left side is out of the effective screen area, the video signal output unit moves the character input help window to the upper left side spaced apart from the character input window by a predetermined distance, Wherein the character input device is a character input device.

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