KR100472946B1 - Method for inputting letters on TV for digital broadcasting and apparatus therefor - Google Patents

Abstract

     BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a character input method and apparatus for digital broadcasting television. In particular, a keyboard is displayed on a screen of a television, and the user selects the characters arranged on the displayed keyboard by pressing a numeric key or a color key of a remote controller provided in the television. And a character input method and apparatus for digital broadcasting television configured to input characters.

Description

     Method for inputting letters on TV for digital broadcasting and apparatus therefor}

     BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a character input method and apparatus for digital broadcasting television, and more particularly, to display a keyboard on a screen of a television and to display a character arranged on the displayed keyboard by pressing a numeric key or a color key of a remote controller provided in the television. A character input method and apparatus for digital broadcasting television configured to select and input characters.

     In general, on an analog television broadcasting, a viewer does not need to input a separate character to the television. On a digital television broadcasting, a broadcasting server of a broadcasting station digitally modulates video and audio constituting a broadcast program, The audio data is transmitted to the television, and in addition, various information data related to the broadcast program are also transmitted to the television of the viewer. Accordingly, the viewer can watch the broadcast program and the information data reproduced on the television together, and can also store the received information data or generate corresponding information and transmit the information back to the broadcast server. Information transfer became possible.

     Accordingly, according to the above trend, the necessity for viewers to input texts through televisions in a digital television broadcasting environment is increasing. Conventionally, as an input technology of such texts, a television capable of receiving a digital broadcast signal or A TV having a set-top box for digital broadcasting (hereinafter referred to as 'digital broadcasting television') for receiving digital broadcast signals and playing them through a television is provided with a wired / wireless keyboard or a touch screen to input characters. The method is used.

     However, the method of inputting characters by separately providing a keyboard in the digital broadcasting television as described above has a problem in that a manufacturing cost is increased due to an additional keyboard, and a separate keyboard is provided whenever a viewer feels the necessity of input while watching TV. Since it has to find and install, there was a troublesome act of inputting characters itself.

     The present invention was devised to solve the above-mentioned conventional problems, and in order to solve the inconvenience of input caused by the use of a keyboard or a touch screen for character input, a character is provided using a remote controller provided in a digital broadcasting television. Provided are a method and an apparatus for enabling input.

     In addition, by using the numeric and color keys of the remote control, the keyboard occupies the minimum space on the TV screen and inputs letters and numbers that can be combined into Korean, English, numbers and special characters with only a few keystrokes. It provides a method and apparatus for implementing the.

     According to a configuration of the present invention for achieving the above object, in the normal digital broadcasting television, the keyboard is displayed on the screen of the digital broadcasting television, and the user presses the numeric or color keys of the remote control provided in the television to display the keyboard. Characterized by arranged on the keyboard is characterized in that configured to input the character.

     EMBODIMENT OF THE INVENTION Hereinafter, the structure of the preferable embodiment of this invention is demonstrated in detail based on an accompanying drawing.

     1 to 3 are views showing each keyboard displayed for text input on a screen of a digital broadcasting television according to the present invention, FIG. 1 is a view showing a keyboard for inputting Korean characters of the present invention, and FIG. FIG. 3 is a diagram illustrating a keyboard for inputting English characters of the present invention, and FIG. 3 is a diagram illustrating a keyboard for inputting numbers / special characters of the present invention.

     First, the character input keyboard according to an embodiment of the present invention is an image displayed on the screen by activating a character input program built in a digital broadcasting television, and each of three keyboards, a Korean keyboard, an English keyboard, and a numeric / special character keyboard, respectively. Are separated. The keyboards have character keys mapped with keys of a remote controller provided in the TV. The character keys are arranged on the keyboard divided into two columns, an upper row and a lower row in the case of a Korean keyboard and an English keyboard. In the case of special character keyboards, they are arranged in only one column.

     The upper and lower columns of the Korean keyboard and the English keyboard each contain one arrow character. When the '0' key of the remote controller is pressed, the arrow character mapped thereto is mapped and one of the two columns is selected. In the selected row, the user presses the '1' to '9' key on the remote controller to input a desired character.

<Hangul Character Input Keyboard>

     1 is a view showing a keyboard for inputting Korean characters of the present invention. The Hangul combination of the keyboards is in Unicode. Hangul input from the keyboard can be combined because it is combined in Unicode.

     According to an embodiment of the present invention, since the Hangul characters are used as consonants as consonants and jongseong, and vowels as neutrals, these consonants and vowels are shown in Tables 1 to 3 below. Likewise, hex is defined.

     Consonant used as a consonant (hex) 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 110A A ㄲ N C ㄸ D M ㅂ ㅃ S ㅆ 110B 110C 110D 110E 110F 1110 1111 1112 ㅇ ㅈ ㅉ H Lol ㅌ ㅍ ㅎ

     Consonants (hex) to use as a finality 3131 3132 3133 3134 3135 3136 3137 3138 3139 313A 313B A ㄲ ㄳ N ㄵ ㄶ C ㄸ D ㄺ ㄻ 313C 313D 313E 313F 3140 3141 3142 3143 3144 3145 3146 ㄼ ㄽ ㄾ ㄿ ㅀ M ㅂ ㅃ ㅄ S ㅆ 3147 3148 3149 314A 314B 314C 314D 314E ㅇ ㅈ ㅉ H Lol ㅌ ㅍ ㅎ

     Neutral vowel 314F 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 ㅏ ㅐ ㅑ ㅒ ㅓ ㅔ ㅕ ㅖ ㅗ ㅘ ㅙ 315A 315B 315C 315D 315E 315F 3160 3161 3162 3163 ㅚ ㅛ TT ㅝ ㅞ ㅟ ㅠ ㅡ ㅢ ㅣ

     According to an embodiment of the present invention, the upper column of the Hangul character input keyboard may include 'ㄱ ㄱ' character mapped to '1' key of the remote controller, 'ㄴ ㄹ' character mapped to '2' key of the remote controller, and the remote controller. 'ㅁ ㄸ' character mapped to '3' key, 'ㅂ ㅃ' character mapped to '4' key on the remote control, 'ㅅ ㅆ' character mapped to '5' key on the remote control, 'ㅇ ㅎ' character mapped to '6' key, 'ㅈ ㅉ' character mapped to '7' key on the remote control, 'ㅋ ㅋ' character mapped to '8' key on the remote control, and '9' on the remote control It has a 'ㅌ pt' character mapped to a 'Bunkey'.

    The lower column of the Korean character input keyboard includes 'ㅏ ㅏ' character mapped to '1' key on the remote control, 'ㅓ ㅕ' character mapped to '2' key on the remote control, and '3' key on the remote control. Mapped with 'ㅗ ㅛ' character, 'TT' character with '4' key on the remote control, 'ㅡ' character with '5' key on the remote control, and '6' key with '6' key on the remote control It has a 'ㅣ' character.

     In addition, according to an embodiment of the present invention, the consonants are consonants that can overlap in finality, that is, 'ㄳ', 'ㄵ', 'ㄶ', 'ㄺ', 'ㄼ', 'ㄽ', 'ㄾ', In the case of a vowel consonant such as 'ㄿ', 'ㅀ', 'ㄿ', 'ㅀ', 'ㅄ' and the like, it is not included in the keyboard as a character key, but a combination of the corresponding consonants is input. That is, for example, in the case of 'ㄻ', since 'ㄹ' and 'ㅁ' are input together, the key input repeated when the consonant is input except for the 'ㄷ ㄸ ㅁ' key of the upper row No. 3 key of the Korean keyboard is It is configured to be up to two times.

     In the case of vowels, that is, input of '입력', 'ㅖ', 'ㅐ', 'ㅒ' means' ㅔ 'is a combination of' ㅓ 'and' ㅣ ',' ㅖ 'means' ㅓ' and ' 'ㅣ' is entered as a combination of 'ㅏ' and 'ㅣ', and '조합' is entered as a combination of 'ㅑ' and 'ㅣ'. Therefore, the character keys for such a double vowel are not included in the keyboard layout.

     As illustrated in FIG. 1, the 's', 's', 's', 's', 's', etc., can be pressed twice by pressing the character key where the corresponding consonants are located. For example, to hit 'ㄲ', press the '1' key twice on the remote control.

     In addition, when inputting a vowel vowel, for example, when inputting a character with vowel 'We', the 6th key ('ㅇ') of the upper row of the Korean keyboard is input, and the 4th key ('TT) of the lower row is input. After inputting '), key 2 (' 입력 ') and key 6 (' ㅣ ') are entered in order to enter' we '.

     In addition, when the remote control cursor located at the '0' key of the Korean keyboard is located in the upper row or the lower row on the keyboard displayed on the screen, pressing the '0' key of the remote controller clicks the mapped arrow to another column. The cursor moves and if you press '0' key once more, the cursor moves to the original column.

    For example, when a user enters a word 'Alticast' as a word, the user inputs a key of a remote controller as follows.

{Enter No. 6 ('ㅇ')-> Enter No. 0 Key-> Enter No. 1 Key ('ㅏ')-> Enter No. 0 Key-> Enter No. 2 Key No. 2 ('ㄹ')-> Enter No. 9 Key ('ㅌ') Input-> Input 0 key-> Input 6 key ('ㅣ')-> Input 0 key-> Input 8 key ('ㅋ')-> Input 0 key-> Input 1 key ('ㅏ')-> Input 6 key ('ㅣ') Input-> Enter No. 0 Key-> Enter No. 5 Key ('ㅅ')-> Enter No. 0 Key-> Enter No. 5 Key ('ㅡ')-> Enter No. 0 Key-> Enter No. 9 Key ('ㅌ') Input-> Enter Key 0-> Enter Key 5 ('ㅡ')}

    In addition, the keys of No. 7, Key, No. 9 and 'Space', 'Del' and 'Enter' in the lower row of the Hangul keyboard shown in the drawing are used for editing the characters entered in the character input window displayed on the screen. The 'Space' key is the space bar function of the regular keyboard that displays one space, 'Del' is the back space bar function of the general keyboard that deletes letters, and 'Enter' moves the space down one line. Has the 'Enter' function of the keyboard.

     The Hangul input using the keyboard of the present invention as described above is made of a combination of initial, neutral, and final of Table 1, Table 2, and Table 3, and the combined Hangul is a Hangul code starting from 0xAC00 (letter 'ga'). It is converted into a value and Hangul is output on the screen of a digital broadcasting television.

     Meanwhile, according to the embodiment of the present invention, when the Korean character input keyboard is changed to the English character input keyboard on the television screen, the input keyboard is changed by pressing a key of a specific color of the TV remote control. For example, assuming that the red key on the remote control is the change key of the input keyboard, pressing the red key on the remote control while the keyboard currently displayed on the TV screen is in the 'Hangul text input keyboard' will cause the input keyboard to change from 'Hangul text input keyboard' to 'English characters'. 'Keyboard' is displayed on the TV screen, and if you press the red key again, it changes from 'English character input keyboard' to 'numeric / special character input keyboard'. 'Character input keyboard' is changed to 'Hangul character input keyboard' and the keyboard is displayed on the screen. In order to indicate such a change of the input keyboard, the current state of the input keyboard is inverted and displayed on the right side of the keyboard as shown.

<English Character Input Keyboard>

     2 is a view showing a keyboard for inputting English characters of the present invention.

    The English character input keyboard is configured to input English characters by using a keyboard array in which English alphabets are separated by two characters, and as in the Korean character input keyboard, the '0' key is used to move the upper column and the lower column. It is an arrow.

     According to an embodiment of the present invention, the upper column of the English character input keyboard includes' AB 'character mapped to' 1 'key of the remote controller,' CD 'character mapped to' 2 'key of the remote controller, and' 'EF' character mapped to # 3 key, 'GH' mapped to '4' key on the remote control, 'IJ' character mapped to '5' key on the remote control, and '6' key mapped on the remote control 'KL' character, 'MN' character mapped to '7' key on the remote control, 'OP' character mapped to '8' key on the remote control, and 'QR' character mapped to '9' key on the remote control Have

     In addition, the lower column of the English character input keyboard is mapped to 'ST' character mapped to '1' key of the remote controller, 'UV' character mapped to '2' key of the remote controller, and '3' key mapped to the remote controller. 'WX' character, and 'YZ' character mapped to '4' key on the remote control.

    On the other hand, the '6' key in the lower column is for capitalization, and is converted to lowercase when the current English input is uppercase and uppercase when lowercase. When converting, a large (or small) mark is displayed on the right side of the 'English' menu on the right side of the keyboard to distinguish between the uppercase letters and lowercase letters. Other keys have the same function as the keys of the Korean character input keyboard, and thus detailed description thereof will be omitted.

    For example, if you want to enter the English word 'Alticast', you can press the key input on the remote control in the following order.

{Enter No.1 ('A')-> Enter No.0 Key-> Enter No.6 Key ('A <-> a')-> Enter No.0 Key-> Enter No.6 Key ('l') Twice-> Enter No. 0 Key- > Enter 1st key ('t') twice-> Enter 0th key-> Enter 5th key ('i')-> Enter 2nd key ('c')-> Enter 1st key ('a')-> Enter 0th key -> Enter the 1st key ('s')-> Enter the right arrow key on the remote control-> Enter the 1st key ('t') twice}

<Number / Special Character Input Keyboard>

      3 is a diagram illustrating a keyboard for inputting numbers / special characters of the present invention.

     If you press the numeric key once, the number corresponding to the key number is entered. If you enter the same key twice, the second character is entered, and if you enter it again, the third character is entered. Entering it again will return you to the first character.

     For example, if the '1' key is entered once, '1' is entered, 'twice' is entered twice, '-' is entered three times, and '1' is entered four times.

     4 is a block diagram of a character input device for digital broadcasting television according to the present invention. The configuration of the character input apparatus of the present invention includes: a remote controller 10 provided in a digital broadcasting television and including at least one of a number key from 0 to 9 and a color key having a keyboard converting function; And a remote control interface 20 for receiving an electrical signal of a key pressed in the remote control 10. And a key code generator 40 generating a code value of a key corresponding to an electrical signal of a remote controller key input to the remote controller interface 20 with reference to the consonant code table and the vowel code table stored in the ROM 30. And a character code generator 50 for generating a character code according to the code value of the generated key. And an autometa 60 for combining characters generated by the character code generator 50 to process characters. And a television monitor (70) for displaying characters which have undergone the character processing. It is configured as.

     5 to 8 are flowcharts illustrating a character input method of a digital broadcasting television according to the present invention, FIG. 5 is a general flowchart of a character input method of a digital broadcasting television according to the present invention, and FIG. 6 is a method of inputting Korean characters according to the present invention. 7 is a flowchart illustrating a method of inputting English characters of the present invention, and FIG. 8 is a flowchart illustrating a number / special character input method of the present invention. Hereinafter, this will be described in more detail.

     5 is a general flowchart illustrating a character input method of a digital broadcasting television of the present invention. According to an embodiment of the present invention, when a user inputs a character by operating a remote controller, a predetermined function key of the remote controller is input. When the function key is pressed, the Korean keyboard is displayed basically on the television screen (step S501). Next, it is searched whether there is a key input of the color key having a keyboard convert function on the remote controller (step S502). If the color key is input, an English keyboard is displayed on the television screen (step S503). Here, it is searched again whether there is a key input of the color key (step S504). If the color key is input, a numeric / special character keyboard is displayed on the television screen (step S505). Then, it is searched again whether there is a key input of the color key (step S506). If there is a color key input, the flow returns to step S501 to display the Hangul keyboard again on the television screen.

     6 is a flowchart illustrating a method of inputting Korean characters of the present invention, FIG. 7 is a flowchart illustrating an input method of English characters of the present invention, and FIG. 8 is a flowchart illustrating a number / special character input method of the present invention.

     First, the method for inputting Korean characters is described in detail with reference to FIG. 6. When the Korean keyboard is displayed on the screen in step S 501 of FIG. 5, the upper row of the displayed keyboard is selected as a default (step S 601). ; Next, it is searched whether there is a key input of the remote control '0' key having a function of selecting an upper row / lower row of keyboards on the remote controller (step S602). If there is an input of the '0' key, the lower row of the Hangul keyboard is selected (step S603). Here again, the remote controller searches whether there is a key input of the remote control key '0' (step S604). If there is an input of the '0' key, the upper row of the Hangul keyboard is again selected (step S605). Here, if the user has a key input of the color key having the function of keyboard conversion on the remote controller in steps S 601 to S 605, the input of the Korean keyboard is interrupted and the process returns to step S 503 of FIG. 5 so that the English keyboard is displayed. Is displayed.

     Next, a flowchart illustrating a method of inputting English characters will be described with reference to FIG. 7.

     If the English keyboard is displayed on the screen in step S503 of FIG. 5, the upper row of the displayed keyboard is selected as a default (step S701); Next, it is searched whether there is a key input of the remote control '0' key having the function of selecting the top row / bottom row of the keyboard on the remote controller (step S702). If there is an input of the '0' key, the lower row of the English keyboard is selected (step S703). Here again, the remote controller searches whether there is a key input of the remote control key '0' (step S704). If there is an input of the '0' key, the upper row of the English keyboard is selected again (step S705). Here, if the user has a key input of a color key having a keyboard convert function on the remote controller in steps S 701 to S 705, the input of the English keyboard is interrupted and the process returns to step S 505 of FIG. The keyboard is displayed on the screen.

     Next, a flowchart illustrating a number / special character input method of the present invention will be described with reference to FIG. 8.

     When the number / special character keyboard is displayed on the screen in step S 505 of FIG. 5, an upper row of the displayed keyboard is selected as a default (step S 801); Next, it is searched whether there is a key input of the remote control '0' key having the function of selecting the top row / bottom row of the keyboard on the remote controller (step S802). If there is an entry of the '0' key, the lower row of the numeric / special character keyboard is selected (step S 803). Here again, the remote controller searches whether there is a key input of the remote control key '0' (step S804). If there is an entry of the '0' key, the upper row of the digit / special character keyboard is selected again (step S805). Here, in step S 801 to step S805, if the user has a key input of a color key having a keyboard convert function on the remote controller, the input of the number / special character keyboard is interrupted and the process returns to step S501 of FIG. 5. The keyboard is displayed on the screen.

     As mentioned above, although the character input method and apparatus of the digital broadcasting television of this invention were demonstrated in detail with reference to the figure which revealed, it is for the purpose of implementing this invention only, and it does not deviate from the summary of this invention, It will be apparent to those skilled in the art that various modifications may be made.

     Effects of the present invention having the above-described configuration has the effect of eliminating the inconvenience of inputting a conventional keyboard or touch screen separately and increasing the TV manufacturing cost since characters are input through a remote controller provided in a digital broadcasting television. have.

     Also, since the keyboard of Korean, English, numbers and special characters occupies only the minimum space of the TV screen, it does not interfere with the viewing of the program displayed on the screen, and it does not interfere with other application programs performed on the existing digital broadcasting TV. It can be done easily.

     In addition, since a character is input only by using a combination of numeric keys and color keys of the remote control, it is possible to implement letters and numbers that can be combined into Korean, English and numbers / special characters with only a few strokes.

     In addition, if the function and type of the keyboard conversion key of the present invention are added, there is an effect of having a flexible expandability for inputting various types of letters / numbers.

1 to 3 are views showing a keyboard displayed for text input on a screen of a digital broadcasting television according to the present invention, FIG. 1 is a view showing a keyboard for inputting Korean characters of the present invention, and FIG. 3 is a view illustrating a keyboard for inputting English characters of FIG. 3 is a diagram illustrating a keyboard for inputting numbers / special characters of the present invention;

4 is a block diagram of a character input apparatus for digital broadcasting television according to the present invention;

5 to 8 are flowcharts illustrating a character input method of a digital broadcasting television according to the present invention, FIG. 5 is a general flowchart of a character input method of a digital broadcasting television according to the present invention, and FIG. 6 is a method of inputting Korean characters according to the present invention. 7 is a flowchart illustrating a method of inputting English characters of the present invention, and FIG. 8 is a flowchart illustrating a number / special character input method of the present invention.

Claims (9)

     And displaying a keyboard on a screen of a conventional digital broadcasting television, and allowing a user to input characters by selecting characters arranged on the displayed keyboard by pressing a numeric key or a color key of a remote controller provided in the television. In the character input method of,     The keyboard is divided into a Korean character input keyboard, an English character input keyboard, a number / special character input keyboard, and the conversion of the keyboards is converted to correspond to the key input of the color key of the remote controller and displayed on the screen.     The Korean character input keyboard and the English character input keyboard are arranged on each input panel with the characters of the keyboard divided into upper and lower columns, and the number / special character input keyboard is arranged in one column.     The upper and lower columns of the Korean character input keyboard and the English character input keyboard each include at least one arrow character, and the arrow characters are mapped to the '0' key of the remote controller so that the '0' key of the remote controller is mapped. When pressed, one of the upper row and the lower row is selected. delete delete delete      The method of claim 1,     At least one letter mapped to the '1' to '9' keys of the remote controller is arranged in the selected column by pressing the '0' key of the remote controller, and the '1' to '9' keys of the remote controller are arranged. Character input method for a digital broadcasting television, characterized in that for selecting at least one character arranged by input.      The method of claim 5, wherein the upper column of the Hangul character input keyboard,     'ㄱ ㄱ' character mapped to '1' key on the remote control, 'ㄴ ㄹ' character mapped to '2' key on the remote control, 'ㄷ ㅁ ㄸ' character mapped to '3' key on the remote control, 'ㅂ ㅃ' character mapped to '4' key of ',' 'ㅆ' character mapped to '5' key of the remote control, 'ㅇ ㅎ' character mapped to '6' key of the remote control, and ' Has '7' key mapped to # 7 key, '8' key mapped to '8' key on the remote control, and 'ㅌ' character mapped to '9' key on the remote control,      The lower column of the Hangul character input keyboard,     'ㅏ ㅑ' character mapped to '1' key on the remote control, 'ㅓ ㅕ' character mapped to '2' key on the remote control, 'ㅗ ㅛ' character mapped to '3' key on the remote control, A digital character characterized by having a 'TT ㅠ' character mapped to the '4' key, a 'ㅡ' character mapped to the '5' key on the remote control, and a 'ㅣ' character mapped to the '6' key on the remote control Character input method for broadcast television.      The method of claim 5, wherein the upper column of the English character input keyboard,      'AB' character mapped to '1' key on the remote control, 'CD' character mapped to '2' key on the remote control, 'EF' character mapped to '3' key on the remote control, and '4' on remote control 'GH' character mapped to Bungee key, 'IJ' character mapped to '5' key on the remote control, 'KL' character mapped to '6' key on the remote control, '' mapped to '7' key on the remote control MN 'character,' OP 'character mapped to' 8 'key on the remote control, and' QR 'character mapped to' 9 'key on the remote control,      The lower row of the English character input keyboard,     'ST' character mapped to '1' key on the remote control, 'UV' character mapped to '2' key on the remote control, 'WX' character mapped to '3' key on the remote control, and '4' on remote control Character input method of digital broadcasting television, characterized in that it has 'YZ' character mapped with Bunky.      The method according to claim 6 or 7,     The lower columns of the Korean character input keyboard and the English character input keyboard are 'Space' characters mapped to '7' key of the remote controller, 'Del' characters mapped to '8' key of the remote controller, and '9' key of the remote controller. It has 'Enter' character mapped with 'Space' character, Space bar function of general keyboard to display one space, 'Del' character to Back Space bar function of general keyboard to delete characters, 'Enter' Character input method of the digital broadcasting television, characterized in that the character has a 'Enter' function of the general keyboard to move down one line. delete