KR100453718B1 - A portable keyboard - Google Patents

Abstract

The present invention relates to a keyboard used as an input device such as a computer, and more particularly, to a portable keyboard which is portable and can be input by one finger. Such a keyboard of the present invention is a keyboard which is connected to a computer main body so that various characters and numbers can be inputted. The keyboard of the present invention is compact for easy portability, integrated with a mouse, and can be input with one finger. will be. And the portable keyboard of the present invention, the appearance is in the form of a mobile phone, the portable keyboard is a key matrix; Control means for scanning the key matrix and generating a corresponding scan code; And an interface unit for transmitting the key code value provided by the control means to the computer main body.

Therefore, the keyboard of the present invention has a very compact structure, which is easy to carry and can be input with one finger, so that it can be input while moving or other tasks, and when a specific key is pressed, the keyboard is automatically connected to a predetermined URL website. Not only can you easily access popular Web sites, but you can also use this feature as a promotion.

Description

Portable keyboard {

The present invention relates to a keyboard used as an input device such as a computer, and more particularly, to a mouse-integrated keyboard that is portable and can be input with one finger.

In general, a keyboard is an input device that allows a user to input commands and data in a computer. The keyboard defines characters used in the ROM in the keyboard and transmits the corresponding key values to the computer when the user presses a key. . The keyboard is divided into a quart tie keyboard and a dvorak keyboard according to the arrangement of input keys. The quart tie keyboard is the most commonly used keyboard. It is named after "T, Y".

However, since a conventional keyboard is manufactured based on a desktop computer, at least 80 keys or more are bulky, inconvenient to carry, and both hands are difficult to use while moving or in a narrow space.

The present invention has been proposed in order to solve the above problems, it is easy to carry in place of the existing keys with only a small number of keys, integrated with the mouse, and to provide a portable keyboard that can be input with one hand. have.

1 is a view showing the appearance of a keyboard according to the present invention;

2 is a block diagram showing the configuration of a keyboard according to the present invention;

3 is a flowchart illustrating an operation procedure of a keyboard according to the present invention;

4 is a practical example of a keyboard according to the invention.

☞ Explanation of symbols for main parts of drawing

1: Keyboard 100: Mode display

110: first function key unit 120: mouse operation unit

140: key input unit 160: second function key unit

170: mode selection unit

In order to achieve the above object, the keyboard of the present invention is a keyboard which is connected to a computer main body so that various characters and numbers can be inputted, and is compact for easy portability and integrated with a mouse. Characterized in that the input is possible with a finger.

The portable keyboard of the present invention has an external appearance of a cellular phone shape, and the portable keyboard includes a key matrix; Control means for scanning the key matrix and generating a corresponding scan code; And an interface unit for transmitting the key code value provided by the control means to the computer main body.

The key matrix may further include an input mode key and a plurality of keys configured to generate at least two different key codes with one key by setting the input mode key, and the key matrix may be used to access an Internet site. And a key, and when the key is pressed, the preset URL is transmitted to the computer body to automatically connect to the home page of the designated site.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

First, a keyboard used as an input device for a personal computer or a portable computer has a built-in microprocessor. The microprocessor continuously monitors the keys of the key matrix, checks which key is pressed, and if there is a key pressed, it corresponds to the pressed key. Find the code and send it to your computer. In this way, the microprocessor checks whether a key is pressed, called a scan, and the code recognized by the microprocessor through a scan is called a keyboard scan code. The keyboard scan code recognized by the microprocessor is converted into a code to be sent to a computer. The converted code for transmission to the computer is called a system scan code.

1 is a view showing the appearance of a keyboard according to the present invention, (a) is a front view, (b) is a plan view, (c) is a side view.

Referring to FIG. 1, the keyboard 1 of the present invention is compact, easy to carry with one hand, and has a mouse function integrated therein, the keys are arranged in a beautiful case in front, and an electronic device including a microprocessor therein. The parts are mounted. And the appearance of the keyboard can be implemented in a variety of shapes as needed, but to be easy to carry, the computer body and the interface can be both wired or wireless. In the case of a wired interface, a USB interface or a normal keyboard interface can be used, and in the case of a wireless interface, RF or infrared can be used.

The key matrix of the keyboard illustrated in FIG. 1 includes a first function key unit 110, a mouse operation unit 120, a character input unit 140, a second function key unit 160, and a mode selection unit 170. The upper side is provided with a mode display unit 100 for displaying the operation mode.

The first function key unit 100 includes the "Esc" (111), "Tab" (112), "Del" (113), "Close" (114), "Shift" (115), "Alt" (116), "Ctrl" (117), "Http" (118) key, the mouse operation unit 120 is the up arrow 121, the right click key 122, the right arrow 123, the enter key 124, the down key The 125, the space key 126, the leftward movement key 127, and the left click key 128 are arranged in a circle, and the pointing device 129 is located at the center thereof. The lower side includes a drag key 130 for turning on / off a drag operation.

The character input unit 140 is "1" (141), "2" (142), "3" (143), "4" (144), "5" (145), "6" (146), "7" It consists of 12 keys such as "(147)," 8 "(148)," 9 "(149)," * "(150)," 0 "(151), and" # "(152) keys. Depending on the input mode, numbers (1 ~ 0), functions (F1 ~ F12), Korean alphabet, English alphabet, etc. can be entered. The second function key unit 160 includes "End" 161, "Page Up" 162, "Page Down" 163, "alphanumeric" 164, and "kanji" 165 keys. The mode selector 170 includes "input mode" 171, "CAPS" 172, "Fn" 173, and "Korean ON / OFF" 174 keys.

As described above, the keyboard 1 of the present invention has a beautiful appearance and keypads protruded and pressed in a case having rounded corners, and each keypad is marked with an 'abbreviation' indicating a corresponding key. In this case, the keys of the character input unit 140 for inputting letters, numbers, and functions are marked with functions, numbers, and letters assigned to each key. The characters may vary according to a language to be input. For example, if the English input function is implemented, the alphabet for English input is displayed, if the Hangul input function is implemented, the Hangul alphabet assigned to the corresponding key is displayed, and if the Japanese input function is implemented, Kana for entering Japanese is displayed. In addition, when multiple languages such as English and Korean, English and Japanese can be input, alphabets, Korean alphabets, and Ghana may be displayed on each key.

2 is a block diagram showing the electrical circuit configuration of the keyboard according to the present invention.

The keyboard according to the present invention includes a memory in which code values are stored, as shown in FIG. 2, for generating a key code (ie, a key scan code) corresponding to a key pressed by a user and transmitting the generated key code to a computer main body (not shown). The microcomputer 210, the key matrix 220, the pointing device 230, the LED display unit 140, the beep output unit 150, and the main body interface unit 260 are included.

The key matrix 220 is composed of a plurality of keys as shown in FIG. 1, and is configured to detect which key is pressed by a scan of the microcomputer 210. The pointing device 230 is for providing a coordinate value to an application program, and according to an exemplary embodiment of the present invention, the pointing device 230 is a track ball type for inputting a coordinate value by rotating a partially exposed ball with a finger. In the present invention, each key of the present invention generates a different key value according to an input mode so that a code corresponding to a plurality of keys used in a general computer keyboard can be generated with a small number of keys.

The microcomputer 210 stores a keycode table in an internal ROM, and when a specific key is pressed, determines the input mode and transmits the corresponding keycode to the computer body through the interface unit 260. In addition, the LED display unit 240 controls the current operation mode, and if necessary, generates a beep sound to inform the user of the key operation. In particular, when a specific key is pressed according to the present invention, after transmitting specific URL information to the computer main body through the interface unit 260, the web browser in the computer main body is driven to automatically connect to the homepage of the designated web site.

The interface unit 260 is for providing data such as key codes to the computer main body, and both wired and wireless methods are possible. In this case, a USB interface or a normal keyboard interface may be used for the wired interface, and an RF or infrared method may be used for the wireless interface.

Figure 4 is a practical example of the keyboard according to the present invention shown in Figure 1, it is a mobile phone type, the appearance is beautiful and the keys are ergonomically arranged so that it can be easily input with one finger.

Next, an operation procedure of the present invention configured as described above will be described in detail with reference to FIG. 3.

First, the keyboard 1 according to the present invention is connected to the main body by wire or wirelessly (301). For example, when providing a USB interface, the keyboard 1 is connected to the USB port of the computer main body. Since the main body of the computer is equipped with an input / output BIOS and a driver, the keyboard can be accessed using this.

Subsequently, the microcomputer 210 of the keyboard scans all key matrices 220 and detects that the key is pressed (302). If there is no key input, it monitors whether there is movement of the pointer 230. If movement is detected, the movement amount is calculated, and then coordinate values are generated and transmitted to the main body (311 to 313).

Here, since each key of the key of the first function key unit 110, the key of the second function key unit 160, the mouse operation unit 120, and the like has one key value set in one key, the input mode is used for these keys. Although not required, the keys of the character input unit 140 for inputting functions F1 to F12, numbers 1 to 0, English, Korean, etc. with one key need to set an input mode.

When the input mode switch 171 is pressed for key input, the input mode is switched in the order of numbers, English and Korean, and the corresponding LED lamp is turned on so that the user can check the input mode. Normally, the numeric input mode is set as the default so that the numeric input mode is operated initially. When the key of the character input unit 140 is used as the F1 to F12 keys, the Fn key 173 is pressed and then the corresponding button is pressed. At this time, it is preferable to press the "Fn" key 173 to make a beep sound.

When the key is detected, the key input is determined, and if it is the " Http " key 118, the preset URL is transmitted to the main body, and then the web browser is started to connect to the homepage of the designated website (308 to 310). If it is not the "Http" key 118, the current input mode is determined and the corresponding key scan code is generated and transmitted to the main body (303 to 307).

On the other hand, when the movement of the pointing device 129 is detected, the movement amount is calculated and the coordinate value is generated and transmitted to the main body (311 to 313).

Next, a key input example of the keyboard according to the present invention will be described.

1. Mouse input

In order to input a mouse, the ball of the pointing device 129 is manipulated with a finger, and it can be input by 360 degrees up, down, left, and right. Next to the pointing device 129, the up, down, left, and right navigation keys 121, 123, 125, corresponding to the up (↑), down (↓), left (←), right (→) navigation keys of the existing keyboard, 127 is provided, and the left click key 128 corresponding to the left click button of the mouse and the right click key 122 corresponding to the right click button are positioned between the movement keys 121, 123, and 127. Therefore, the operation corresponding to the conventional mouse can be processed by the pointing device 129, the left click key 128, the right click key 122, and the like.

On the other hand, the dragging operation of the mouse is performed by the drag key 130 and the pointing device 120. After pressing the drag key 130 (drag on), the pointing device 129 is moved, and then the drag key 130 again. Press to release (drag off) the drag operation.

2. Enter special keys on the keyboard

Special keys on the existing keyboard are defined in each key of the first function key unit 110 and the second function key unit 160. That is, the ESC key of the existing keyboard is the ESC key 111 of the first function key, the Tab key of the existing keyboard is the Tab key 112 of the first function key, and the Del key of the existing keyboard is the Del key of the first function key. 113), the Shift key of the existing keyboard is the Shift key 115 of the first function key, the Alt key of the existing keyboard is the Alt key 116 of the first function key, the Ctrl key of the existing keyboard is the Ctrl key of the first function key Enter (117). The Caps Lock key of the existing keyboard is the CAPS key ((172) of the mode selection unit, the End key of the existing keyboard is the End key 161 of the second function key, and the Page Up key of the existing keyboard is the Page Up key of the second function key). By using the key 162, the page down key of the existing keyboard is input by the page down key 163 of the second function key, and the space of the existing keyboard is the SP / conversion key 126 of the mouse control unit, and the enter key is the mouse. The input key of the control unit is input by using the Enter key 124. The F1 to F12 keys of the existing keyboard press the “Fn” key 173 of the input selection unit 170 and then press a corresponding key among the 12 keys of the character input unit 140. At this time, the function keys assigned to each key are as described in Table 1 below, and the backspace function of the existing keyboard is represented by "Del + Shift", and the Close key 114 of the present invention is used to close the window. Is the key.

2. Enter number

In order to enter a number in the default mode, the numbers 1 through 0 of the letter input unit 140 are pressed by pressing keys 141 to 149 and 151 to input a number. Normally, the numeric input mode is set as a default and initially operates in the numeric input mode.

3. English input

Press the input mode key 171 to set the input mode to "English input mode", and then input the corresponding English. At this time, an example of the English assigned to the key of each character input unit 140 is shown in Table 1 below.

number One 2 3 4 5 6 function F1 F2 F3 F4 F5 F6 Alphamet ABC DEF GHI JKL MNO number 7 8 9 0 * # function F7 F8 F9 F11 F10 F12 alphabet PQRS TUV WXYZ = ~ | '{+ *} <>? _ -^ @ [;:],. /

When inputting "GOOD MORING" with reference to Table 1 above, press the input mode key 171 to set the English input mode, and then press the number 4 key 144 to which "G" is assigned to enter "G". Press the sixth key 146 to which "O" is assigned three times to enter "O" and then enter the remaining alphabet in the same manner. In this way, when a plurality of alphabets are assigned to one key, the first alphabet is pressed once, the second alphabet is pressed twice, and the third alphabet is pressed three times.

On the other hand, 0 and # are assigned symbols when inputting the English letter so that you can enter.

4. Hangul input

Press the input mode key 171 to set the input mode to "Hangul input mode", and then input the corresponding Hangul. At this time, an example of the Hangul alphabet assigned to the key of each character input unit 140 is shown in Table 2 below.

number One 2 3 4 5 6 Jamo ㄱㄲ ㅋ ㄴㄷ ㄸ ㅌ ㅏㅑㅓㅕ D ㅁㅂ school boy ㅍ Haha number 7 8 9 0 * # Jamo ㅆ ㅈㅉ ㅊ ㅢ ㅔ ㅐ ㅇㅎ = ~ | '{+ *},.? _ _ ^ @ [;:],. /

When entering "Hello?" Referring to Table 2 above, press the input mode key 171 to set the Korean input mode, and then press the 0 key 151 to which "ㅇ" is assigned to enter "ㅇ". Press the 3 key 143 to which "ㅏ" is assigned once to enter "ㅏ" and then enter the remaining letters in the same manner. As such, when a plurality of letters are assigned to one key, the first letter is input once, the second letter is input twice, and the third letter is input three times.

5. Automatic internet access

On the other hand, when the "Http" key 118 is pressed, the preset URL is transmitted to the computer main body inside the microcomputer 210, and the web browser of the computer main body is activated to connect to the set URL.

As described above, the keyboard of the present invention has a very compact structure, which is easy to carry, and can be input while moving because it can be held by one hand and can be input by one finger. You can type while working. In addition, by implementing the case in various colors, you can select the one that suits your taste.If you press a specific key, it automatically connects to the website of the preset URL, so that you can easily access to the most frequently visited websites as well. It can be used as a promotional material. And even if the handicapped handicapped disabled the keyboard of the present invention can be easily used because only one finger can be input, it is easy to use even beginners who do not know the Internet can be automatically connected to the Internet by pressing a single key.

Claims (5)

delete delete delete delete The exterior of the phone is shaped like a mobile phone and integrated with a mouse for easy portability, and includes a key matrix, control means for scanning the key matrix to generate a corresponding scan code, and a key code value provided by the control means. In the keyboard which is composed of an interface unit for transmitting to the main body to input various characters, numbers, etc. to the main body of the computer, The key matrix is "Esc", "Tab", "Del", "Close", "Shift", "Alt", "Ctrl", the first function key part consisting of the key "Http" for accessing an Internet site, Up key, right click key, right move key, enter key, down move key, space key, left move key, left click key are arranged in a circle, the pointing device is located at the center and the drag at the bottom is on / off A mouse control panel consisting of keys, "1", "2", "3", "4", "5", "6", "7", "8", "9", "*", "0" and "#" keys , Each key has a character input unit that can input numbers (1 ~ 0), functions (F1 ~ F12), Korean alphabet, English alphabet, etc., depending on the input mode, A second function key section consisting of "End", "Page Up", "Page Down", "alphanumeric" and "kanji" keys, A mode selector with "input mode", "CAPS", "Fn" and "Korean ON / OFF" keys, A portable keyboard comprising a mode display unit for displaying a selected mode.