KR101368770B1 - Inputting apparatus and method for education device - Google Patents

Abstract

The present invention relates to an input device for inputting a character or a symbol using a key input means formed outside the learning terminal, and in particular, a keypad comprising one or more mode conversion keys, one or more shift keys, and a plurality of general keys; An input unit which detects the input when a predetermined key is provided in the keypad and generates an electrical signal for the input key; A control unit which receives an electric signal from the input unit, examines the electric signal received from the input unit, and determines whether a shift key and a general key are simultaneously input; And a memory for classifying which character or symbol the received electrical signal is and converting the code into a corresponding code received from the input unit by matching a code previously stored in a predetermined code table. do.

Learning terminal, key input means, input unit, mode conversion key, shift key, general key

Description

Input device and method for a learning terminal {Inputting apparatus and method for education device}

1 is a perspective view of a learning terminal to which the present invention is applied.

2 is a view showing the arrangement of the keyboard for the learning terminal according to a first embodiment of the present invention.

3 is a view showing an arrangement structure of a keyboard for a learning terminal according to a second embodiment of the present invention.

4 is a block diagram showing the detailed configuration of the input device of the learning terminal according to an embodiment of the present invention.

5 and 6 are perspective views of a removable learning terminal for the expansion input device according to an embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

100, 500, 600: learning terminal 110: keyboard

201, 204, 301, 304: Mode switch key

202 and 302: first shift key 203 and 303: second shift key

205 to 216, 305 to 316: general key

510, 610: expansion input device

The present invention relates to an input device in a learning terminal, and more particularly, to an input device and method for a learning terminal for facilitating input of a learning character by a special key.

In recent years, the penetration rate of the portable terminal is rapidly increasing and it is becoming a living necessity of modern people. Such a portable terminal is provided with a function of inputting or transmitting a variety of information as well as a telephone function. Recently, a short message service (SMS) has been used a lot. To this end, the caller inputs characters such as Korean or English using a plurality of keys formed on the keypad of the portable terminal.

On the other hand, in addition to the portable terminal described above, a variety of terminals for learning are also being released. In the case of the learning terminal, the problem of character input is always a matter to be considered, and since the size of the learning terminal is becoming smaller and lighter, development of an input device capable of efficient input in a limited space is required. have.

For example, when learning a math subject through a learning terminal, input of various various numbers or mathematical symbols should be easy. In addition, when a subject such as physics or chemistry is to be learned through the learning terminal, input of a special symbol used in the physics or chemistry should be easily performed.

However, as described above, the size of the keyboard is limited, but since the number of symbols or characters to be input is large, a configuration of a keyboard capable of efficient input is required.

Accordingly, an object of the present invention is to provide an input device and method for a learning terminal that configures a keyboard layout to facilitate input of a large number of characters or symbols in a learning terminal having a limited input key.

In addition, an object of the present invention is to facilitate the input of a large number of characters or symbols by using a shift key capable of inputting a predetermined character or symbol when inputted simultaneously with the general key in a learning terminal having a limited input key. It is to provide an input device and a method for a learning terminal for configuring the keyboard layout to be able to.

In addition, an object of the present invention is for a learning terminal for configuring a keyboard layout to facilitate the input of various special symbols used in math, physics, chemistry, etc. using a mode conversion key in the learning terminal having a limited input key. It is to provide an input device and method.

Apparatus for achieving the above object; An input device for inputting a character or a symbol by using a key input means formed outside the learning terminal, comprising: a keypad comprising one or more mode conversion keys, one or more shift keys, and a plurality of general keys; An input unit for detecting a predetermined key provided in the keypad and generating an electrical signal for the input key; A control unit which receives an electric signal from the input unit, examines the electric signal received from the input unit, and determines whether a shift key and a general key are simultaneously input; And a memory for classifying which character or symbol the received electrical signal is and converting the code into a corresponding code received from the input unit by matching a code previously stored in a predetermined code table. do.

If the code received from the control unit is a Hangul code, it characterized in that it further comprises an automata for performing a function for generating a Hangul code by combining each received code.

The keypad may be input when a regular sound mapped with a predetermined flat sound is input simultaneously with a first shift key, and a corresponding sound of the flat sound is input, and when the general key mapped with the flat sound is simultaneously input with a second shift key. Characterized by the horn of the flat sound.

The input mode converted through the mode conversion key may be any one input mode selected from Korean, English, numbers, chemical symbols, physical symbols, electronic or electrical symbols, and various other foreign languages.

The keypad is characterized in that the plurality of input keys are composed of 16 buttons of 4 rows 4 columns.

The input device has a predetermined interface, characterized in that configured as a separate device detachable from the learning terminal.

A method for achieving the above object is a method for inputting a character or a symbol by using a key input means formed outside of the learning terminal, comprising one or more mode conversion keys, one or more shift keys, and a plurality of general keys. In the keypad, when the general key mapped with a predetermined flat sound is input at the same time as the first shift key, the sound of the corresponding flat sound is input, and when the general key mapped with the flat sound is input at the same time as the second shift key, the corresponding key Characterized by the horn of the flat sound.

The input mode converted through the mode conversion key may be any one input mode selected from among Korean, English, numbers, chemical symbols, physical symbols, electronic or electrical symbols, and various other foreign languages.

The keypad is characterized in that the plurality of input keys are composed of 16 buttons of 4 rows 4 columns.

The present invention is a character or symbol input method in a learning terminal that can facilitate input of special symbols used in each subject in a learning terminal capable of learning various subjects such as English, mathematics, physics, chemistry, electricity, and electronics. Suggest. To this end, the keyboard for inputting each character is provided with a plurality of general keys for inputting the unique characters of each keyboard, one that can be input simultaneously with each of the general keys to enter a new character or symbol, etc. The above shift key is provided.

On the other hand, the keyboard may be generally configured in the form of an input key that can be pressed by a finger, may also be implemented in the form of a touch screen that can be input by a touch pen. Furthermore, it can be implemented by a method such as hologram.

Hereinafter, the present invention will be described in detail with reference to the following examples, and the present invention will be described in detail with reference to the accompanying drawings. However, the embodiments according to the present invention may be modified in various other forms, and the scope of the present invention should not be construed as being limited to the embodiments described below. Embodiments of the present invention are provided to more fully describe the present invention to those skilled in the art. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

1 is a perspective view of a learning terminal to which the present invention is applied. Referring to FIG. 1, a predetermined portion of the learning terminal 100 to which the present invention is applied is provided with an input unit 110 for inputting various characters or symbols. In particular, the learning terminal as in the present invention should be designed to have a small size and to simplify the structure of the input unit, it is preferable to have a structure of four rows and four columns.

That is, in the limited keyboard arrangement structure of the four rows and four columns, other various foreign languages including Korean, English, numbers, chemical symbols, physical symbols, electronic symbols, electrical symbols, etc. (for example, Japanese characters, Chinese characters, Arabic characters, Russian characters, It should be implemented to input Greek characters effectively.

Hereinafter, referring to FIGS. 2 and 3, an arrangement structure of a keyboard capable of easily inputting various letters or numbers in the learning terminal 100 as illustrated in FIG. 1 will be described in detail.

2 is a diagram illustrating an arrangement structure of a keyboard for a learning terminal according to a first embodiment of the present invention. Referring to FIG. 2, the keyboard for the learning terminal may be composed of 16 buttons in 4 rows and 4 columns. On the other hand, the number of buttons is set to the preferred embodiment to help the understanding of the present invention, it is obvious that expansion or contraction is possible. That is, it may consist of a total of nine buttons in three rows and three columns or a total of 25 buttons in five rows and five columns.

The keyboard may include one or more mode conversion keys 201 and 204, one or more shift keys 202 and 203, and a plurality of general keys 205 to 216.

The mode conversion keys 201 and 204 are input keys for mode conversion. For example, each time the first mode conversion key 201 is input, the Korean mode and the English mode are repeatedly converted. In addition, the second mode conversion key 204 is an input key for converting to the numeric mode irrespective of the input mode by the first mode input key 201.

In addition, each of the plurality of general keys 205 to 216 outputs a unique character mapped to each of the general keys 205 to 216.

Meanwhile, the one or more shift keys 202 and 203 are special keys for expanding an input of a character or a symbol according to the present invention, and when they are simultaneously input with the respective general keys 205 to 216, The preset various characters or symbols are entered. The shift key having a new function when simultaneously inputted as described above is used in a general personal computer and the like, but has not been applied to a small learning terminal as in the present invention. In addition, even in a small device such as a mobile phone, because the size of the keyboard is quite small, it is possible to implement all the conversion keys, etc., but it was difficult to apply the shift key. However, in the present invention, the convenience of input is brought by applying the shift key used in the personal computer to the small learning terminal.

For example, when the input mode of the keyboard is the Korean language input mode, when the first shift key 202 and the general key 205 mapped to the number 1 are simultaneously input, the 'a' next to the number 1 keyboard is input. 'ㅋ' is displayed. Likewise, when the number 2 and the mapped general key 209 are simultaneously input, the letter 'b' next to 'b' is input on the keyboard of the number 2.

In addition, when the second shift key 203 and the general key 205 mapped to the number 1 are input at the same time, 'ㄲ' displayed after 'ㄱ' and 'ㅋ' is input on the keyboard of the number 1. . Likewise, when the number 3 and the mapped general key 213 are simultaneously input, 'ㄸ' displayed after 'c' and 'ㅌ' is input on the keyboard of the number 3.

On the other hand, even when the mode is the English input mode in the keyboard, the functions of the shift keys 202, 203 according to the present invention can be equally applied.

For example, when the first shift key 202 and the general key 205 mapped to the number 1 are simultaneously input, 'b' displayed after 'a' is input in the keyboard of the number 1. Similarly, when the number 2 and the mapped general key 209 are simultaneously input, the 'e' displayed after the 'd' is input on the keyboard of the number 2.

In addition, when the second shift key 203 and the general key 205 mapped to the number 1 are simultaneously input, the 'ㄲ' displayed after 'a' and 'b' is input in the keyboard of the number 1. . Similarly, when the number 3 and the mapped general key 213 are simultaneously input, 'i' displayed after 'g' and 'h' is input in the keyboard of the number 3.

That is, the first shift key 202 and the second shift key 203 are input simultaneously with the respective general keys 205 to 216 so that other preset characters or symbols can be input.

3 is a diagram illustrating an arrangement structure of a keyboard for a learning terminal according to a second embodiment of the present invention. Referring to FIG. 3, as described above with reference to FIG. 2, the keyboard for the learning terminal may include four buttons in four rows and four columns. On the other hand, the number of buttons is set to the preferred embodiment to help the understanding of the present invention, it is obvious that expansion or contraction is possible. That is, it may consist of a total of nine buttons in three rows and three columns or a total of 25 buttons in five rows and five columns.

The keyboard may include one or more mode conversion keys 301 and 304, one or more shift keys 302 and 303, and a plurality of general keys 305 to 316.

The mode conversion keys 301 and 304 are input keys for mode conversion. For example, the first mode conversion key 301 is cycled between a mathematical mode, a physical mode, and a chemical mode (or an electronic symbol mode or an electrical symbol mode) every time the input is performed. Accordingly, the keyboard setting and the input result according to each mode are output. In addition, the second mode conversion key 304 is an input key for converting into a numeric mode or a mathematical symbol irrespective of the input mode by the first mode input key 301.

In addition, each of the plurality of general keys 305 to 316 outputs a unique character mapped to itself.

Meanwhile, the one or more shift keys 302 and 303 are special keys for expanding an input of a character or a symbol according to the present invention, and when they are simultaneously input with the respective general keys 305 to 316, The various characters or symbols set in advance are inputted.

For example, when the input mode of the keyboard is a mathematical input mode, when the first shift key 302 and the general key 306 mapped to the number 4 are simultaneously input, the '4' next to the number 4 keyboard is input. '%' Is displayed. Similarly, when the number 5 and the mapped general key 310 are input at the same time, '-' displayed after '5' is input on the number 4 keyboard.

In addition, when the second shift key 303 and the general key 306 mapped to the number 4 are simultaneously input, '+' displayed after '4' and '%' is input on the keyboard of the number 1. . Similarly, when the number 5 and the mapped general key 310 are simultaneously input, '=' displayed after '5' and '-' is input on the keyboard of number 5.

On the other hand, the shift key 302 according to the present invention even when the mode is a mathematical, physical, chemical or electric / electronic symbol input mode by the first mode conversion key 301 or the second mode conversion key 304 in the keyboard. , 303) may be equally applied.

4 is a block diagram illustrating a detailed configuration of an input device of a learning terminal according to an exemplary embodiment of the present invention. Referring to FIG. 4, an input device according to an embodiment of the present invention includes a keypad 400, an input unit 410, a controller 420, a memory 430, an automata 440, a display unit 450, and the like. Can be configured. In this case, the controller 420 includes a simultaneous input determination unit 421 for determining a simultaneous input state of a shift key according to the present invention, and the memory 430 includes a code table 431 and a program memory 432. Etc. may be included.

The code table 431 included in the memory 430 stores codes for all consonants, vowels, and special symbols that can be input by the present invention, and the program memory 432 has various functions in the learning terminal 100. It stores the code that is programmed to do this.

The keypad 400 is formed with various input keys (for example, a mode conversion key, a general key, and a shift key) described above with reference to FIGS. 2 and 3, wherein a user who uses the learning terminal 100 has a character or It is formed outside of the learning terminal 100 to input a symbol.

When a predetermined key provided in the keypad 400 is input by the user of the learning terminal 100, the input unit 410 detects this and transmits an electric signal for the input key to the controller 420. do.

Meanwhile, as described above, the controller 420 includes a simultaneous input determiner 421 according to the present invention, and the simultaneous input determiner 421 receives an electrical signal received from the input unit 410. It checks whether the shift key and the general key are input at the same time.

In this case, the controller 421 matches a code pre-stored in the code table 431 included in the memory 430 with a corresponding electric signal received from the input unit 410, so that the received electric signal has any character. Alternatively, the symbol is classified and converted into a code corresponding thereto, and the code is transmitted to the automata 440.

Accordingly, when the shift key and the general key are simultaneously input in the keypad 400 according to the present invention, the simultaneous input determination unit 421 of the controller 420 determines the simultaneous input situation and sends the same to the memory 430 unit. The result of the determination is transferred, and the memory 430 checks the code matched with the combination of the simultaneously input shift key and the general key with reference to the code table 431. The matched code is transmitted to the automata 440 through the control unit 420.

When the code received from the controller 420 is a Hangul code, the automata 440 performs a function of generating a Hangul code by combining the received codes, and the Hangul code is visible through the display unit 450. The information will be output.

5 and 6 are perspective views of a learning terminal capable of attaching and detaching an expansion input device according to an exemplary embodiment of the present invention.

5 and 6, as described above, another input device may be included in the terminal as a dedicated input device, or may be implemented to be detachable to the terminal as an auxiliary input means.

That is, by attaching the extended input devices 510 and 610 including the functions according to the present invention to the bottom or the side of the terminals 500 and 600 of FIGS. 5 and 6, various characters or symbols that are inconvenient to input to the basic input device. It is possible to enter easily.

The keyboard input method according to the present invention described above may be equally applied to general telephones, cellular phones, Internet phones, computers (eg, mini computers), as well as learning (or educational) terminals. That is, the same applies to any input device in which the number of input buttons of the keyboard is limited.

In addition, as described above, the input method may be equally applied to an input method using a laser and a hologram as well as a button input method or a touch pen in a touch screen.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. For example, it is obvious that the keypad may be used as a means for inputting conventional English. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined not only by the claims below, but also by the equivalents of the claims.

According to the present invention, when a predetermined number of input buttons is simultaneously input to an input key of a learning terminal, a shift key for inputting another preset character or symbol is used to convert more various characters or symbols into fewer key input buttons. There is also an advantage that can be entered.

In addition, by providing a variety of mode conversion key in the learning terminal, when learning a variety of subjects, such as English, mathematics, physics, chemistry, electricity, electronics, there is an advantage that can easily enter a variety of special characters or symbols, etc. .

Claims (9)

In the input device for inputting characters or symbols into the learning terminal, A keypad composed of one or more mode conversion keys, one or more shift keys and a plurality of general keys; An input unit for detecting a predetermined key provided in the keypad and generating an electrical signal for the input key; A control unit which receives an electric signal from the input unit, examines the electric signal received from the input unit, and determines whether a shift key and a general key are simultaneously input; And By matching a code previously stored in a predetermined code table with the corresponding electrical signal received from the input unit, the memory to classify any character or symbol received and converted into a corresponding code, The keypad is, When the general key mapped to a predetermined flat sound is input simultaneously with the first shift key, the sound of the corresponding flat sound is input, and when the general key mapped with the flat sound is input simultaneously with the second shift key, the horn of the corresponding flat sound is Input device for a learning terminal, characterized in that the input. The method of claim 1, If the code received from the control unit is a Hangul code, the input device for a learning terminal, characterized in that it further comprises an automata for performing a function to generate a Hangul code by combining each received code. delete The input mode of claim 1, wherein the input mode is converted through the mode conversion key. Input device for a learning terminal, characterized in that any one of the input mode selected from Korean, English, numbers, chemical symbols, physical, electrical, electronic symbols and various other foreign languages. The method of claim 1, wherein the keypad, Input device for a learning terminal, characterized in that the plurality of input keys are composed of four buttons of four rows and four columns. The method of claim 1, wherein the input device, Input device for a learning terminal having a predetermined interface, characterized in that configured as a separate device detachable with the learning terminal. In the input method for inputting characters or symbols into the learning terminal, In a keypad composed of one or more mode conversion keys, one or more shift keys, and a plurality of general keys, when the general key mapped with a predetermined flat sound is input simultaneously with a first shift key, the sound of the corresponding flat sound is input, and the flat sound And when the general key mapped with the second shift key is input at the same time, the hard sound of the corresponding flat sound is input. The method of claim 7, wherein the input mode converted through the mode conversion key, Input method for a learning terminal, characterized in that any one of the input mode selected from Korean, English, numbers, chemical symbols, physical, electrical, electronic symbols and various other foreign languages. The method of claim 7, wherein the keypad, An input method for a learning terminal, characterized in that the plurality of input keys are composed of four buttons of four rows and four columns.

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