KR20100088647A - A method and apparatus for character input and command input with touch screen - Google Patents

Abstract

PURPOSE: A method and an apparatus for character input and command input with a touch screen is provided to efficiently input the various types of characters by determining an input code according to initial touch start keys. CONSTITUTION: A key area screen output unit(200) outputs a key area and a keyboard for character input, and a touch signal processor(300) processes the touch signal through an electronic pen or a finger. A touch path analyzer(400) generates a quantized code value through the analysis of the touch signal. An input code decision unit(500) determines a final input code of a user according to an initial touch start key.

Description

A method and apparatus for character input and command input with touch screen}

The present invention relates to a system and method for efficiently inputting characters or commands using a touch screen in a small terminal such as a mobile phone or a PDA. The present invention includes a system and method for efficiently inputting characters or commands in an input device having a coordinate system even if the input device is not a touch screen type.

Currently, in order to enter text when using the touch screen in PDA and mobile phone, you can use the existing input method that presses one key several times by using a number of characters corresponding to the numeric keys of the mechanical keyboard phone or use the character keys like a computer keyboard. One-to-one correspondence is displayed on the screen and an input method is used to touch it. The first method is the same as the method of inputting characters in a conventional mechanical keyboard mobile phone. The method of inputting characters varies depending on how many times the same key position is touched. This method requires a long time to touch the touch screen to enter a single character, it takes longer to enter characters compared to numeric input. In addition, when a character must be continuously input from the same key, the input time is longer because it is necessary to press another key to stop inputting the current key or stop the input for a while. The second method is to display all the text keys that can be input on the screen, and touch the text keys that you want to input. This is like moving a keyboard to a touch screen. In this method, you can input the desired character by touching the touch screen only once, and if you use the electronic pen, you can press the correct position. However, if the screen is small, it is difficult to press the correct position with your finger or pen. There is a disadvantage that it does not work well, and if the screen is large, the input is not very efficient because the user has to move a lot of hands to select a character key to input with one hand.

The present invention improves the shortcomings of the conventional methods that require multiple touches or many hand movements when inputting a character or command using the touch screen to minimize the touch and movement and reduce the touch or movement to a character or command. Provided are an apparatus and a method for inputting a back light.

In addition, the present invention is applied to a problem that cannot be handled due to the difficulty of automatic recognition in the field of gesture input or character input using an online stroke, thereby providing a solution for judging a command or an input character by a very simple movement or longitudinal. do.

Touch and movement (Touch-and-Move) based character and command input system is a feature of the present invention for achieving the technical problem of the present invention,

A keyboard key area screen output unit 200 for displaying a keyboard or key area for inputting characters to a user; A touch signal processor 300 for processing a touch signal input by a user with a finger or an electronic pen; Analysis of the type of touch signal input by the user by looking at the keyboard or key character of the screen, and a touch type that generates quantized code values according to the first touched key, the direction vector moved after touching, and the sequence of touched keys An analysis unit 400; And an input code determiner 500 that finally determines a user's input code according to the analyzed result value and the first touched start key.

To achieve the technical problem of the present invention, another feature of the present invention is a touch-and-move-based character and command input method.

Outputting a keyboard key area on a screen to show a keyboard or a key area for character input to the user (S100); Processing a touch signal input by a user with a finger or an electronic pen (S110); Analyzing the type of touch signal inputted by the user by looking at the keyboard or key character of the screen and generating quantized code values according to the first touched key, the direction vector moved after the touch, the sequence of the touched key, and the like ( S120-S106); And finally determining the input code of the user according to the analyzed result and the first touched start key (S170 to S180).

According to the present invention, when entering a plurality of alphabets or characters, such as English, Korean, Chinese, Japanese, etc. using a touch screen, a large number of characters on the screen without having to arrange a large number of keys or touch the same key repeatedly Can be entered quickly and conveniently. That is, since a plurality of characters can be input with a single touch and movement combination even with a small number of keys, the accuracy and speed of the input is much higher than that of the conventional method.

In addition, by determining the input character according to the combination of the key area and the direction vector of the position where the touch screen is pressed with a finger or the electronic pen and the direction vector, the number of input key areas is reduced and the width of the key area is designed to be large enough to be touched. can do. Therefore, when the key area is small, it is possible to reduce the problem of incorrect input caused by inaccurate touch of the key or the difficulty of increasing the accuracy of the input.

In addition, by minimizing the key layout space required for input, a wider screen can be used for display purposes in an application.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

Throughout the specification, when a part is said to "include" a certain component, it means that it can further include other components, without excluding other components unless specifically stated otherwise. In addition, the terms "~", "~", "~ module" described in the specification means a unit for processing at least one function or operation, which may be implemented by hardware or software or a combination of hardware and software. Can be.

Hereinafter, a character and command input system and method according to an exemplary embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a structure diagram of a character and command input system according to an embodiment of the present invention.

As shown in FIG. 1, the character and command input system 100 may include a keyboard key area screen output unit 200, a touch signal processing unit 300, a touch longitudinal analysis unit 400, and an input code determination unit 500. Include. In more detail, as illustrated in FIG. 12, the keyboard key area display output unit 200, the touch signal processing unit 300, and the input code determination unit 500 may be represented. Here, the text and command input system 100 may be implemented in a device that requires text and command input, such as various types of terminals and computers including a mobile phone and a PDA.

The keyboard key area screen output unit 200 outputs a predefined keyboard and key area to the screen of the terminal as illustrated in FIGS. 7A, 7B, 7C, 7D, 7E, and 7F. In charge. In the key area display unit 210 of the keyboard key area output unit (FIG. 3), a boundary line is displayed for each key and output. The key area is required to determine which key the user's touch corresponds to, and displays areas of the input keys by using a keyboard type, a button shape, or a boundary line that separates the areas as shown in FIGS. 7A to 7F. The key character set configuration unit 220 may configure a character set for each key to correspond to a plurality of characters for each key as necessary. The character set for each key is a concept introduced to selectively input several characters using a single key. For example, the character set corresponding to the 'J' key in the middle of FIG. 7B is 'J', 'K' and 'L', and the character set corresponding to the 'A' key is 'A' and 'B'. , 'C'. In the example of FIG. 7C, the character set corresponding to the key 'ㄱ' is 'ㄱ', 'ㅋ', 'ㄲ' and the character set corresponding to the vowel 'ㅣ' key is 'ㅣ', 'TT', 'ㅓ' to be. In order to input characters belonging to a character set corresponding to one key, it may be touched anywhere in the corresponding key area. Only the movement after the touch decides which character to select. As will be explained later, one way to select individual characters in a character set is to move your finger or pen in the direction of the character you want to select while touching the corresponding key. In addition to this method, a specific character is selected within a character set for each key according to the combination of the order of the keys that are touched, moved while touching, and continuously touched, or the shape of the touch vertically moved after touch. Or, you can choose to enter a new character or command that is not related to the character set for each key. You can also predefine simple gestures or vertical shapes and apply the necessary parts for each key.

The character set screen output unit 230 for each key is for showing the characters belonging to the character set defined in each key to the user, as shown in FIGS. 7B, 7C, 7D, 7E, and 7E. Outputs At this time, the character is output to the key area or the appropriate direction and position so that the user can intuitively easily understand and select what character is selected and input in the character set according to the position, direction, and type of touch. For example, in FIG. 7E, after pressing the left 3 key to input 1, the user needs to move upwards, the user inputs 2 to the left, the user inputs 4 to the right, and the user inputs 5 to the right. To enter 3, simply exit the touch without leaving the key area. Similarly, in FIG. 7E, when the touch is terminated without leaving the area while pressing 1, 1 is input, 2 is moved to the lower left, 3 is moved vertically downward, and 4 is moved to the lower right. In this case, the upward direction is an example of not assigning letters in consideration of the inconvenience of hand movement. 8B is for explaining a process of inputting each character in a key consisting of A, B, and C as a representative character. Move the finger to the lower left while touching the button or key and enter B when moving out of the key area, and enter C when moving to the lower right in the touch state, and enter A when ending the touch without leaving the key area. do. When outputting a character set for each key on the screen, it is not necessary to output all the characters of the character set to the key area, and characters corresponding to a specific direction or gesture may not be output for the user's convenience. 8A shows an input area for the key of FIG. 8B. Referring to FIG. 8A, four codes can be input using this key, and the contents are A, B, C, and Delete. Since assigning too many character sets to one key may reduce input efficiency, the number of characters per key may be reduced as shown in FIG. 8B. In addition, in consideration of the fact that the finger motion is relatively slow, the upward direction may be a downward direction as shown in FIG. 8B. Instead, the upward direction may be arranged as necessary. For example, you can assign and use Delete code to handle wrong input in the same direction above all keys, and these keys do not need to be displayed in the key area because they are not difficult to get used to.

The touch signal processor 300 of FIGS. 1 and 4 processes a signal input through a touch screen. The input signal consists of a touch state and a touched coordinate value. The touch state and coordinate value signal processor 310 transmits a signal touched by a user with a finger or a pen in a sequential touch state and coordinate value format. In addition, it may serve to store the touched longitudinal. The input reference time determiner 320 is responsible for determining a time point for generating a character code by analyzing an input signal. The first method of determining the input reference time point is to set the time point at which the touch ends. The last character until the end of the touch is stored and after the end the entire character can be analyzed to determine the input character code. This method may feel like the input response is slow. The second method is to determine as an input reference point even when the touch leaves the start key region (b point in FIG. 13A). That is, when the touch leaves the start key region or when the touch ends, the input signal is analyzed and determined. The third method is a method of determining an input signal when a distance is deviated from the touched position by a predetermined distance or when the touch is terminated (see FIGS. 9A and 9B). Here, the predetermined distance may be smaller or larger than the key area. Of course, instead of simply setting the input reference time point, the first method may be used. For example, an analysis of a longitudinal point at the end of a touch may be performed, but the analysis of the longitudinal point may be different based on the expected endpoint when the three methods described above are applied.

The touch longitudinal analysis unit 400 analyzes the point where the touch starts, the movement path, the key to which the end point belongs, the shape of the touched longitudinal or the combination of the direction vector between the starting point of the touch, and the like, thereby determining the input code. The touch longitudinal analysis may be configured by being included in the input code determining unit 500 and may not be independent, but are separately arranged for convenience of description. 5 is a diagram illustrating an implementation example of the touch longitudinal analysis unit. An example of implementation has been described herein, and the present invention is not limited to this configuration, and the actual internal configuration may be different. The start key detection unit 410 detects the key where the touch is first started for the touch longitudinal analysis. The start key detection is necessary because the analysis of the touch start key may be different or the character set may be different. The touched key longitudinal shape analyzer 420 serves to analyze the shape of the key longitudinal and prepare to map it to one of the predefined codes. 9A, 9B, 9C, and 9D show examples of simple longitudinal shape analysis. 9A illustrates an example in which any one of 'A', 'B', 'C', 'a', 'b', and 'c' can be inputted with one key through longitudinal analysis. In this case, if the moving direction after the touch is directed to the lower left, but within a certain distance indicated by a dotted line, the lowercase letter 'b' is input. If the touched length is longer, the uppercase letter 'B' is entered. In addition, when the touch is in the key area, the lowercase letter 'a' may be inputted, and after exiting the key area and entering the area again, the uppercase letter 'A' may be entered. Likewise, in FIG. 9B, when the touch is shortly out of the key area to the left and left, the input may be 'TT' and if the touch is longer than a certain distance, the input may be 'ㅠ'. As another method, as shown in FIG. 9C, vectors when the species leave and leave the key region may be analyzed to select input characters according to the results. For example, if the vector up to the input point where the species leaves the key area is 'a' in FIG. 9D and the direction vector at the end of the vertical field is 'b', the input character is selected according to the direction of the 'a' vector. Depending on the direction of the 'b' vector, the case can be determined. When the method of FIG. 9D is applied to 9, when the touched direction is the lower right direction, the lower end 'c' may be selected when the end portion is also the lower right direction, and the uppercase 'C' may be selected when the end of the touch is upward. .

The direction vector generator 430 between the touch start point and the end point calculates a direction vector connecting the touch start point and the end point of the touch at the input time point. 13A illustrates various methods of calculating a direction vector according to a method of determining an input time point as an example. If the touch vertical is generated as shown in FIG. 13A, the vector connecting the starting point a and the end point c of the touch is calculated as shown in FIG. 13B, or the vector is calculated considering only the b position when leaving the key region as shown in FIG. 13C. The subsequent motion may be ignored, or a method may be used to calculate in which direction b the location b that meets the boundary line of the key area is located at the center of the key when leaving the key area as shown in FIG. 13D. The longitudinal code converter 440 may determine the input intended by the user by combining the calculated direction vector or the analyzed longitudinal shape. In other words, it can be said that the input signal is changed into a quantized code value according to the analysis result. That is, the process of extracting meaning from the input signal. 10A is an example of a direction vector code obtained by dividing a direction vector evenly in eight directions.

Instead of analyzing the shape of the key species, it is possible to extract the meaning according to the sequence combination of keys passed by the touch. The touched key order detection unit 450 extracts the order of the keys in the vertical line through which the touch passes, as shown in FIG. 10B. If only the key values of the starting point and the end point are used, the order of 5 and 9 is as shown in FIG. 10C, and 5, 6 and 9 as shown in FIG. 10D if all the moving paths are considered. When a combination of these sequences occurs in one touch, the combination is coded and given meaning to the encoded result, allowing the user to enter the desired character.

The input code determiner 500 determines a character code determined to be intended by the user as an input code in consideration of the start key based on the analyzed touch longitudinal result. If necessary, the input code determiner may be configured as one module together with the above-described touch longitudinal analyzer. In determining the input code, the input code is determined according to the touch type for each start key (510), or the input code is determined according to the direction code of the input time point for each start key (520), or the input code according to the touched key sequence. A method 530 of determining is possible. In addition, there are several combinations of methods for determining the code of input characters.

11A shows an example of encoding a direction vector. Codes can be assigned by dividing the angles in a constant direction or codes can be given differently in consideration of the convenience and precision of hand movement. In this case, the code is assigned, not an actual code value, but a quantization of consecutive sections so that different steps can be taken for each section. For example, as shown in FIG. 11B, when the lower two sections are coded and moved to the lower right corner, the lower right corner is interpreted as selected.

2 is a flowchart illustrating a text and command input method according to an exemplary embodiment of the present invention.

As shown in FIG. 2, in the first step, the keyboard key area screen output unit 200 outputs the keyboard key area and key characters to the screen (S100). The user looks at the screen and inputs a signal through a touch screen or pad using a finger, pen, or mouse. Next, the touch signal processor 300 undergoes the step S110 of acquiring the input signal and transmitting the input signal to the computer.

When a signal for restarting a touch comes in, a start key is determined through a step (S130) of identifying a key area to which a touch start point belongs, if necessary. If it is a continuous touch, the start key detection step is omitted. When the continuous touch continues, the length of the input signal is stored (S140) to prepare for analyzing the length when the input reference time point is reached. It is determined whether the continuous touch input signal is continuously coming in without removing the touch (S150), and the input signal type is stored, and as described above, when the continuous touch input is terminated or when a predetermined input reference time point is reached, The sequence of touched keys or the direction vector analysis of the starting point is performed (S160). Next, using the analyzed touch longitudinal result is converted into a character code determined to be the user intended input according to the start key (S170). As a final step, the determined input code or command is determined and output based on the analysis result (S180).

Detailed description of the flowchart of the method for inputting characters and commands according to an embodiment of the present invention is omitted since it overlaps with the above description.

The embodiments of the present invention described above are not implemented only through the apparatus and the method, but may be implemented through a program or a medium on which the program is recorded to realize a function corresponding to the configuration of the embodiment of the present invention. Such an implementation can be easily implemented by those skilled in the art to which the present invention pertains based on the description of the above-described embodiments.

Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the range.

1 is a structure diagram of a character and command input system according to an embodiment of the present invention.

2 is a flowchart illustrating a text and command input method according to an exemplary embodiment of the present invention.

3 is a structural diagram of a keyboard key area screen output unit according to an exemplary embodiment of the present invention.

4 is a structural diagram of a touch signal processor according to an exemplary embodiment of the present invention.

5 is a structural diagram of a touch longitudinal analysis unit according to an exemplary embodiment of the present invention.

6 is a structural diagram of an input code determiner according to an exemplary embodiment of the present invention.

7A to 7F are schematic diagrams of keyboard key area configuration according to an exemplary embodiment of the present invention.

8A and 8B illustrate a method of selecting a character through touch-and-move according to an embodiment of the present invention.

9A, 9B, 9C, and 9D are exemplary diagrams of key longitudinal shapes and analysis results according to an exemplary embodiment of the present invention.

10A, 10B, 10C, and 10D illustrate examples of detecting a direction angle code and a touch key sequence according to an exemplary embodiment of the present invention.

11 is a view showing a direction angle code and a selection method according to an embodiment of the present invention.

12 is a structure diagram of a character and command input system according to an embodiment of the present invention.

13A, 13B, 13C, and 13D illustrate an input viewpoint determination method and a direction vector determination method according to an embodiment of the present invention.

Claims (34)

In the character and command input system using a touch screen, A keyboard key area output unit for displaying a key area of the keyboard on a screen; A touch signal processor for obtaining a touch state and a touched coordinate value; And Code determination unit that determines not only the point where the touch is started, but also the combination of the key to which the touch start point and movement path and the end point belong, the shape of the touched stroke, or the direction vector between the start point and the end point of the touch. Input system comprising In the character and command input system using a touch screen, A key-specific code set constructing unit for allocating a character code set for each key to selectively input a plurality of characters using one key; A key area output unit for showing a key on a screen; A touch signal processor for obtaining a touch state and a touched coordinate value; And Code determination unit for determining the input code according to the shape of the touch, the moving direction, and the type of the touch to select the input code from the code set corresponding to the first touched key Input system comprising The method according to claim 1 or 2, In determining the input code in the code determination unit A touch start key detector for detecting a key where a touch is started; And From the set of codes belonging to the touch start key detected in the previous step, a specific code value is determined as the final input code according to the vector value connecting the start point and the end point of the touch, or input according to the combination of the touch start key and the vector value. Code decision unit to determine the code Input system comprising The method according to claim 1 or 2, In determining the input code in the code determination unit Code determination unit that determines the input code value by the combination of the key belonging to the start point of the touch and the key belonging to the end point Input system comprising The method according to claim 1 or 2, In determining the input code in the code determination unit Code determination unit that determines the code value by the combination of the keys belonging to the start point of the touch and the key included in the path through which the touch passes and the key belonging to the end point are touched Input system comprising The method of claim 3, In determining the input code in the code determination unit An input reference time determiner for indicating a time when the touch key exits the start key region or the touch ends in the touch key region (off); And The input code value is determined from a code set belonging to the touch start key according to the direction vector connecting the point starting out of the touch start key region and the touch start point at the input reference time point, or the input code value according to the combination of the touch start key and the direction vector. Code decision unit to determine Input system comprising The method of claim 3, In determining the input code in the code determination unit An input reference point time determining unit configured to determine a time point at which the touch state is deviated by a predetermined distance or more from the touch start point or when the touch ends (off); And Combination of the direction vector connecting the touch start point and the end point and the touch start key at the input reference point determined in the previous step, or the code determination unit that determines the input code value only by the touch start key when the touch does not deviate more than a certain distance. Input system comprising The method of claim 6, In determining the input code in the code determination unit A code determination unit configured to determine an input code value according to a position of a point moved away from the touch start key region in a touched state, that is, an intersection point between a boundary line of the start key region and a touch stroke; That is, a code determination unit for encoding and determining the direction according to the relative position of the intersection point on the boundary line of the start key region instead of the direction vector from the point where the touch is started; Input system comprising The method according to claim 1, 2, 3, 6, 7, 8, A direction angle code mapping unit for each key region for dividing the direction vector obtained from the start point and the end point of the illustrated touch into one of quantized direction angle codes by dividing the direction vector according to convenience; And Code determination unit for determining the input code value by the combination of the touch start key and the obtained direction angle code Input system comprising 10. The method of claim 9, Key area for converting the direction vector obtained from the starting point and the end point of the touch to one of the quantized angular angular distance codes including not only the directional angle but also the magnitude (distance) of the directional vector, that is, the direction and distance of the input vector. Star direction angular distance code mapping unit; And Code determination unit for determining the input code value by the combination of the touch start key and the obtained direction angle distance code Input system comprising According to claim 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, From the keyboard key area output to display the key area on the screen. A key area display unit for indicating a boundary of each key area on the keyboard; And Output one or more character codes for each key so that one or more character codes can be input from one key. In order to display not only a representative character for when the touch ends in the touch start key region but also a direction vector obtained at the end of the touch or the determined input reference time point or a character selectable according to the various codes, each key region or Screen output unit of character code set for each key that places and outputs the characters corresponding to significant positions in two-dimensional space in accordance with the direction of vector code Input system comprising According to claim 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, In generating the direction vector code for each key Code decision unit using non-uniform direction vector code that improves input convenience by defining the direction code segment in the direction that enables more precise movement in consideration of the characteristics of hand muscle movement, and wider code section in the direction where the motion is slow. Input system comprising According to claim 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 Special key processing unit that allows you to easily handle special commands or special characters by pre-assigning frequently used commands or special characters such as deletion or cancellation to a specific direction vector code of two or more keys or all keys for easy input. Input system comprising In the text and command input method using a touch screen, Outputting a key area of a keyboard on a screen; Obtaining a touch state and a touched coordinate value; And Determining the input code according to not only the point where the touch is started, but also the combination of the key to which the touch start point and movement path and the end point belong, the shape of the touched stroke, or the direction vector between the touch start point and the end point. Input method including In the text and command input method using a touch screen, A corresponding code set construction step for each key for allocating a character code set for each key to selectively input a plurality of characters using one key; A key region output step for showing a key on the screen; A touch signal processing step of obtaining a touch state and a touched coordinate value; And Determining the input code according to the shape of the touch, the direction of movement, and the longitudinal type to select the input code from the code set corresponding to the first touched key Input method including The method according to claim 14, 15, In determining the input code A touch start key detecting step for detecting a key on which a touch is started; From the set of codes belonging to the touch start key detected in the previous step, a specific code value is determined as the final input code according to a vector value connecting the start point and the end point of the touch, or input according to the combination of the touch start key and the vector value. Steps to determine the code Input method including The method according to claim 14, 15, In determining the input code Determining the input code by a combination of the keys belonging to the starting point of the touch and the keys belonging to the end point Input method including The method of claim 14, In determining the input code Determining the input code by a combination of the keys belonging to the starting point of the touch and the keys included in the path through which the touch passes and the keys belonging to the end point are touched; Input method including The method of claim 16 In determining the input code Determining a time point at which the touch key exits the start key area of the touch or a time point at which the touch ends (off) in the start key area of the touch as an input reference time point; And The input code value is determined from a code set belonging to the touch start key according to the direction vector connecting the point out of the touch start key region and the touch start point at the input reference time determined in the previous step, or a combination of the touch start key and the direction vector. Determining input code values Input method including The method of claim 16 In determining the input code Determining, as an input reference time point, a time point at which the touch state deviates from the touch start point by more than a predetermined distance or when the touch ends (off); And Determining the input code value according to the combination of the direction vector connecting the touch start point and the end point and the touch start key at the input reference time determined in the previous step, or the touch start key when the touch does not deviate more than a certain distance. Input method including The method of claim 19, In determining the input code Determining an input code value according to a position of a deviated point by moving the touch start key region in a touched state, that is, a position of an intersection point of a boundary line of the start key region and a touch stroke; That is, determining the direction code based on the relative position of the intersection point on the boundary line of the start key region, not the direction vector from the point where the touch is started, and determining the input code accordingly. Input method including The method of claim 14, 15, 16, 19, 20, 21, A direction angle code mapping step of each key for dividing the direction vector obtained from the start point and the end point of the illustrated touch into one of the quantized direction angle codes by dividing differently according to convenience for each key; And Determining an input code value by a combination of the touch start key and the obtained direction angle code; Input method including The method of claim 22, When encoding the direction vector obtained from the start point and the end point of the touch, the key area not only includes the direction angle but also the magnitude (distance) of the direction vector, that is, the key region that is converted into one of the quantized direction angle distance codes including the direction and distance of the input vector. A directional angular distance code mapping step; And Determining an input code value by a combination of a touch start key and the obtained direction angle distance code; Input method including According to claim 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, In the keyboard key area output phase, which displays the key areas on the screen. Displaying a key area for indicating a boundary of each key area on the keyboard; And Output one or more character codes for each key so that one or more character codes can be input from one key. In order to display not only a representative character for when the touch ends in the touch start key region but also a direction vector obtained at the end of the touch or the determined input reference time point and a character selectable according to the various codes, each key region or Screen output step of character code set for each key that places and outputs the characters corresponding to significant positions in two-dimensional space in accordance with the direction of vector code Input method including According to claim 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, In determining the direction vector code range for each key Considering the characteristics of the hand muscle movement, the direction that allows more precise movement is divided into the direction code section, and the slow motion direction defines the code section broadly, thereby generating an uneven direction vector code which increases the convenience of input. Input method including According to claim 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, Special key processing steps, such as deleting or canceling frequently used commands or special characters, are pre-assigned to specific direction vector codes of two or more keys or all keys for easy input. Input method including In the character and command input system using a touch screen, The method of claim 1, wherein As shown in FIG. 7C, consonants and vowels for Hangul input are arranged to determine consonant inputs with one touch and movement and vowels with one or two touches and movements. Key area screen output unit arranged to process keys for inputting or processing, or input code determination unit for determining input codes in this way Input system comprising In the character and command input system using a touch screen, The method of claim 1, wherein As shown in FIGS. 7A to 7F, a key region screen output unit which collects and arranges alphabets for each character set for input of the English alphabet so that input characters can be determined by one touch and movement (or touch-and-move), or in this manner. Input code determination unit to determine the input code Input system comprising In the character and command input system using a touch screen, The method of claim 1, wherein As shown in FIG. 7D, a key region screen output unit for determining input characters by one touch and a movement by collecting and arranging the same consonant character sets for Japanese character input, or inputting in this manner Input code decision unit to determine the code Input system comprising In the character and command input system using a touch screen, The method of claim 1, wherein 7E and 7E, a key area screen for grouping numbers for input of numbers and collecting and arranging them into a set of characters so that input characters can be determined by a single touch and movement in a small number of keys. Output section, or input code determiner that determines the input code in this way Input system comprising In the text and command input method using a touch screen, The method of claim 14, wherein As shown in FIG. 7C, consonants and vowels for Hangul input are arranged to determine consonant inputs with one touch and movement and vowels with one or two touches and movements. Key area screen output unit arranged to process keys for inputting or processing, or input code determination unit for determining input codes in this way Input method including In the text and command input method using a touch screen, The method of claim 14, wherein 7A to F, a key area screen output unit for determining an input character with a single touch and movement by collecting and arranging alphabets by character set for English alphabet input, or such a method Input code determination unit to determine the input code Input method including In the text and command input method using a touch screen, The method of claim 14, wherein As shown in FIG. 7D, a key region screen output unit for determining input characters by one touch and a movement by collecting and arranging the same consonant character sets for Japanese character input, or inputting in this manner Input code decision unit to determine the code Input method including In the text and command input method using a touch screen, The method of claim 14, wherein 7E and 7E, a key area screen for grouping numbers for input of numbers and collecting and arranging them into a set of characters so that input characters can be determined by a single touch and movement in a small number of keys. Output section, or input code determiner that determines the input code in this way Input method including

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