KR20010036164A - Electronic pen and Method for Saving/Checking/Editing a written record of the same - Google Patents

Abstract

PURPOSE: The electronic pen and the method for storing, checking and editing the contents written by the pen, are provided to enable the contents written on a paper with convenience to be stored in a digital format, and be checked as well as edited if necessary. CONSTITUTION: Direction sensors(12-14) senses the rotation direction of a ball(11). An ink box(15) supplies ink to the ball(11). A direction recognition part(16) recognizes the rotation direction of the ball(11) in response to the outputs from the direction sensors(12-14), referring to a direction recognition reference table. A character recognition part(17) recognizes the character written by a user, according to the output from the part(16), referring to a character recognition reference table. An input output part(19) exchanges data with an external device(30). A control key input part(20) enables a user to store and identify the written contents. A control part(21) stores the output from the part(17) in a memory(18), and transmits the output from the part(17) to the external device(30), according to the input via the part(20).

Description

Electronic pen and method for saving / checking / editing a written record of the same}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic pen, and more particularly, to an electronic pen and a method for storing / confirming / editing writing contents thereof.

Generally, when writing on paper using various writing tools, such as a pencil and a ballpoint pen, there is no other method except copying in order to keep the written contents separately.

However, in the case of copying, due to the nature of paper, there is a risk of being damaged or lost.

The pen according to the prior art has a problem in that it is necessary to make a copy in order to separately store the contents written by the user, and even when the pen is copied, the contents of the writing are easily lost due to the damage or loss of the paper.

Accordingly, the present invention has been made to solve the above-described problems, electronic pen and its handwriting content so that the actual handwritten content can be easily stored in the form of digital data, permanently stored and checked and edited when necessary Its purpose is to provide a method for storing / verifying / editing.

1 is a layout showing a connection configuration of an electronic pen and an external device according to the present invention;

2 is a view for explaining an installation position of the first to third direction sensors of FIG.

3 is a view showing the relationship of the rotational force applied to the direction sensor according to the writing direction

4 is a diagram showing an example of a consonant / vowel recognition method;

5 shows an example of a character recognition method;

6 is a flowchart illustrating a method of storing and outputting handwritten characters;

7 is a flowchart illustrating a method of updating a direction recognition and character recognition criteria table according to modification of a stored character;

Explanation of symbols for main parts of the drawings

10: electronic pen 11: ball

12, 13, 14: direction sensor 15: ink bottle

16: direction recognition unit 17: character recognition unit

18: first memory 19: first input / output unit

20: control key input unit 21: first control unit

30: external device 31: second input / output unit

32: second memory 33: video output unit

34: second control unit

The electronic pen according to the present invention includes a ball for performing writing with ink adsorbed on the surface of a writing object by contact, a direction sensor unit for sensing a rotational direction of the ball, an ink container for supplying ink to the ball, and a direction. A direction recognition unit for recognizing the rotation direction of the ball with reference to the output of the sensor unit and the pre-stored direction recognition reference table, and a character recognition unit for recognizing characters written by the user with reference to the output of the direction recognition unit and the pre-stored character recognition reference table And a memory for storing character data recognized through the character recognition unit, an input / output unit for inputting / outputting data, and a control key input unit for inputting a key for storing or confirming the contents written by the user; According to the input contents of the control key input unit, the output of the character recognition unit can be stored in the memory or displayed to the external video device through the input / output unit. And a control unit for transmitting.

According to the present invention, there is provided a method of storing writing contents of an electronic pen in a electronic pen including a ball, a direction sensor unit, a direction recognition unit, a character recognition unit, a memory, a control unit, and a storage key. Inputting and writing, sensing the rotational force applied to each direction sensor by the rotation of the ball due to the writing in the direction sensor unit, combination and direction recognition of the rotational force applied to each direction sensor in the direction recognition unit Comparing the reference table to recognize the rotation direction of the ball, comparing the rotation direction recognized by the direction recognition unit with the character recognition reference table in the character recognition unit, and recognizing the character, and the control unit recognized by the character recognition unit And storing the character data in the memory.

According to an aspect of the present invention, there is provided a method of checking a writing content of an electronic pen, the electronic pen capable of recognizing and storing the content written by a user as text data, transmitting the stored text data to an external video device according to a user's confirmation command; And displaying the text data transmitted from the external video device on the screen.

According to an aspect of the present invention, there is provided a method for editing handwritten content of an electronic pen, wherein the electronic pen can recognize and store the content written by the user as text data. Transmitting, displaying the transmitted text data on the screen by an external video device, editing text data displayed on the screen of the external video device by the user, and corresponding text data edited on the external video device. And editing and transmitting the corresponding character recognition criteria to the electronic pen, and updating the own character recognition criteria with the character recognition criteria edited by the external image device.

Hereinafter, an electronic pen and a method of storing / verifying / editing the writing content thereof according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a layout showing a connection configuration between an electronic pen and an external device according to the present invention, FIG. 2 is a view for explaining an installation position of the direction sensors 1 to 3 of FIG. 1, and FIG. 3 is a direction according to a writing direction. 4 illustrates an example of a consonant / vowel recognition method, FIG. 5 illustrates an example of a character recognition method, and FIG. 6 illustrates a method of storing and outputting handwritten characters. 7 is a flowchart illustrating a method of updating a direction recognition and character recognition criteria table according to modification of a stored character.

Looking at the configuration of the electronic pen and the connection state with the external device according to the present invention, as shown in Figure 1, first, the electronic pen 1 is a ball 11 for performing writing with ink adsorbed on the surface of the writing object by contact ), First to third direction sensors 12 and 13 and 14 for detecting the rotation direction of the ball 11, an ink container 15 for supplying ink to the ball 11, and the first To a direction recognition unit 16 that recognizes the rotational direction of the ball 11 with reference to the direction recognition reference table according to the outputs of the third direction sensors 12, 13, 14, and with reference to the internal character recognition reference table. The first input / output unit for inputting / outputting data with the character recognition unit 17, the first memory 18, and the external device 30 that recognizes characters written by a user according to the output of the direction recognition unit 16. (19), the control key input unit 20 for inputting a key for storing or confirming the contents written by the user, the input contents of the control key input unit 20 Depending is configured to store the output of the character recognition unit 17 to the first memory 18 or through the first input / output unit 19 includes a first control unit 21 for transmitting to the external device.

In addition, the external device, that is, the TV or the PC, connects the second input / output unit 31 and the second input / output unit 31 for exchanging data with the first input / output unit 19 of the electronic pen 10. Second memory 32 for storing data input through the image, the image output unit 33 for displaying the data stored in the second memory 32 on the screen, the second memory 32 and the second input / output And a second control section 34 for controlling the section 31.

In this case, as shown in FIG. 2, the first to third direction sensors 12, 13 and 14 of the electronic pen 10 form 120 ° to each other so as to detect the rotation direction of the ball 11 and the ball 11. ) Is installed in a predetermined position in contact with.

Referring to FIG. 3, the direction recognition unit 16 recognizes the rotation direction of the ball 11 according to the output of the first to third direction sensors 12 and 13 and 14 configured as described above. Same as

For example, when the ball 11 rotates in the right direction, the rotational force according to its sensing direction is not applied to the first direction sensor 12, and the rotational force of 'heavy' is applied to the second direction sensor 13. The rotational force of 'small' is applied to the third direction sensor 14.

In addition, when the ball 11 rotates in the northwest and southeast diagonal directions, a small force is applied to the first and second direction sensors 12 and 13 and a large force is applied to the third direction sensor 14. This is applied.

Therefore, the rotational force applied to each direction sensor with respect to all directions in this manner is stored in the form of a direction reference table as shown in FIG. 3, and the rotational force applied to the first to third direction sensors 12, 13, 14. The direction closest to the direction recognition reference table is recognized based on the intensity.

A method of recognizing a character by the character recognition unit 17 according to the output of the direction recognition unit 16 described above will now be described with reference to FIG. 4.

For example, looking at the writing order, in the case of 'ㄱ', the ball 11 of the electronic pen 10 rotates downward in the right direction, and then in the case of 'c', after the right direction, Subsequently, the ball 11 of the electronic pen 10 rotates in the right direction.

Therefore, the consonants and vowels according to the direction recognition order are stored as the character recognition reference table in this way, and the output of the direction recognition unit 16 is recognized as the closest character in the character recognition reference table with reference to this.

Looking at the actual character recognition example, as shown in Figure 5, the output of the direction recognition unit 16, the character recognition in the case of the right direction, delay time, up / down direction, delay time, right direction following the up / down direction Referring to the reference table, the right direction is recognized as the consonant 'b' after the up / down direction, and the up / down direction, the delay time, and the right direction are recognized as the vowel 'ㅏ', and thus, are recognized as 'I'.

Hereinafter, a method of storing and outputting an image written by a user will be described with reference to the flowchart of FIG. 6.

First, when the user wants to store or confirm the content written using the electronic pen 10, the user presses a corresponding key of the control key input unit 20 outside the electronic pen 10, that is, the storage key or the confirmation key.

Subsequently, when the user starts writing on a paper or the like using the electronic pen 10, the ink supplied from the ink container 15 is sucked onto the paper through the ball 11, and predetermined characters intended by the user are written.

In operation S61, the first controller 21 of the electronic pen 10 determines whether a storage command is input.

Subsequently, when the determination result (S61), a storage command is input, the direction recognition unit 16 reads the detected value from the first to third direction sensors 12, 13, 14, and displays each of the characters currently written by the user. The direction of the stroke is recognized (S62) and output to the character recognition unit 17.

The character recognition unit 17 recognizes a character according to the output of the direction recognition unit 16 (S63) and outputs the character to the first control unit 21.

Subsequently, the first control unit 21 stores the character data recognized by the character recognition unit 17 in the first memory 18 (S64).

On the other hand, when the determination result (S61), the external output command is input (S65), the first control unit 21 receives the character data stored in the first memory 18 through the first input / output unit 19 to the external device. That is, it transmits to the second input / output unit 31 of the TV or PC (S67).

At this time, the direction recognition reference table and the character recognition reference table are transmitted together with the corresponding character data.

Subsequently, the second controller 34 of the external device 30 stores the text data transmitted through the second input / output unit 31 in the second memory 32 and simultaneously displays the image data on the screen through the image output unit 33. Displayed on (S67).

Therefore, the user checks the handwritten characters through the screen of the external device 30.

Hereinafter, a method of updating the direction recognition and character recognition criteria table according to the modification of the stored character will be described with reference to FIG. 7.

First, when the user stores the handwritten content stored in the external device 30 according to the confirmation command (S71), the user checks his / her handwritten contents through the screen and corrects the user's handwritten contents if there is a different part. (S72).

At this time, as described above, when the character data is transmitted, the direction recognition and the character recognition reference table are simultaneously transmitted and stored in the second memory 32 of the external device 30 or displayed together with the character data on the screen.

Therefore, the second control unit 34 of the external device 30 determines whether the user performs the character correction (S72), and if modified, updates the direction recognition and the character recognition reference table according to the user's modification (S73).

Subsequently, the second control unit 34 of the external device 30 uses the updated direction recognition and character recognition reference table through the second input / output unit 31 to the first input / output unit 19 of the electronic pen 10. To transmit (S74).

The first control unit 21 of the electronic pen 10 updates the direction recognition reference table of the direction recognition unit 16 with the direction recognition reference table transmitted through the first input / output unit 19, and then inputs the first input unit. The character recognition reference table of the character recognition unit 17 is updated with the character recognition reference table transmitted through the / output unit 19 (S75).

The electronic pen and the method of storing / checking / editing the handwriting content according to the present invention can not only be actually written, but can also easily store the handwritten content in the form of permanent digital data, and can be checked and edited when necessary, thereby increasing convenience for use. It can be effected.

Claims (9)

Ball for performing writing with ink adsorbed on the surface of writing object by contact, Orientation sensor unit for detecting the rotation direction of the ball, An ink container for supplying ink to the bowl, A direction recognition unit for recognizing a rotational direction of the ball with reference to the output of the direction sensor unit and a previously stored direction recognition reference table; A character recognition unit for recognizing a character written by a user by referring to an output of the direction recognition unit and a previously stored character recognition reference table; A memory for storing the character data recognized through the character recognition unit, Input / output section for data input / output, A control key input unit for inputting a key for storing or confirming the contents written by the user; And a control unit which transmits the output of the character recognition unit to an external image device through the input / output unit so as to be stored or displayed in the memory according to the input contents of the control key input unit. According to claim 1, The electronic pen according to claim 1, wherein the direction sensor unit includes first to third direction sensors installed at the same angle with the ball center. In the electronic pen having a ball, a direction sensor unit, a direction recognition unit, a character recognition unit, a memory, a control unit, and a storage key, A user inputting a storage command using the storage key and performing writing; Detecting rotational force applied to each direction sensor by rotation of the ball due to handwriting in the direction sensor unit, Recognizing the rotation direction of the ball by comparing the combination of the rotational force applied to each direction sensor in the direction recognition unit and the direction recognition reference table, Recognizing a character by comparing the rotation direction recognized by the direction recognition unit with the character recognition reference table in the character recognition unit, And a control unit storing the character data recognized by the character recognition unit in the memory. The method of claim 3, wherein The direction recognition reference table is a table storing the combination of the rotational force detected by each direction sensor and the direction value according to the writing content storage method of the electronic pen. The method of claim 3, wherein And the character recognition reference table is a table storing a combination of one or more direction values and a letter corresponding thereto. The method of claim 3, wherein Recognizing a character by comparing the rotation direction and the character recognition reference table And a character corresponding to a rotation direction closest to the rotation direction in the character recognition reference table. An electronic pen capable of recognizing and storing the contents written by a user as text data, Transmitting the stored text data to an external video device according to a user's confirmation command; And displaying the transmitted text data on the screen by an external image device. An electronic pen capable of recognizing and storing the contents written by a user as text data, Transmitting the stored text data and corresponding text recognition criteria to an external video device according to a user's confirmation command; Displaying the transmitted text data on a screen by an external video device; Editing, by the user, text data displayed on the screen of the external video device; Editing the corresponding character recognition criteria to correspond to the edited character data in an external image device and transmitting the edited character recognition criteria to the electronic pen; And updating the character recognition criteria of the electronic pen by the character recognition criteria edited by the external video device. The method of claim 8, The displaying of the transmitted text data on the screen by an external video apparatus further comprises the step of displaying the corresponding character recognition criteria together with the text data.