KR20230127017A - Electronic device and method for generating a pattern-matched document for an electronic pen - Google Patents

Abstract

The present invention retrieves an electronic document, acquires a pattern recognizable by an electronic pen, matches the pattern to the electronic document, and assigns a pattern to which a unique ID is assigned to each page included in the electronic document, thereby matching the pattern. It relates to an electronic device for generating a document in which a pattern for an electronic pen is matched, including a processor generating a document.

Description

Electronic device and method for generating a pattern-matched document for an electronic pen

The present invention relates to an electronic device and method for generating a document in which a pattern for an electronic pen is matched.

Background Art Various electronic devices including computers are used in educational settings such as schools, academies, and professional educational institutions. These electronic devices can be appropriately used for education related to reading, listening, and speaking, but are less useful for education related to writing.

Like the Korean language study of the lower grades of elementary school, education in which students directly write on paper, check it, and receive corrections from teachers is important even at this point of transition to a digital society.

Meanwhile, with the advent of COVID-19, non-face-to-face education is being activated. In particular, many remote classes are being conducted in the field of public education. Electronic devices are essential for remote classes, and as described above, these electronic devices are highly useful for education related to reading, listening, and speaking, but have limitations in writing education. Due to these limitations, face-to-face education is a principle for 1st and 2nd graders in elementary school even in the context of the spread of COVID-19.

In order to utilize electronic devices for writing education and, in particular, to provide writing education through non-face-to-face education, it is necessary to research and develop methods for connecting analog writing and electronic devices.

Registration No. 10-2338351

In order to solve the above problems, an object of the present invention is to provide an electronic device that matches a pattern recognizable by an electronic pen to an electronic document in order to increase the utilization of analog writing in the digital world.

Another object of the present invention is to provide a method of matching a pattern recognizable by an electronic pen to an electronic document.

The tasks of the present invention are not limited to the tasks mentioned above, and other tasks not mentioned will be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, an electronic device generating a document in which a pattern for an electronic pen according to an embodiment of the present invention is matched generates a pattern document by matching the electronic document with a pattern recognizable by the electronic pen.

According to an embodiment of the present invention, an electronic device generating a document in which a pattern for an electronic pen is matched reads an electronic document, acquires a pattern recognizable by the electronic pen, and matches the pattern to the electronic document. and a processor for generating a pattern matching document by assigning a pattern to which a unique ID is assigned to each page included in the page.

The processor generates a document matched with a pattern for an electronic pen that converts the pattern matching document into a PDF document.

The processor generates a document in which a pattern for an electronic pen that converts the PDF document into an image file is matched.

An electronic device generating a document in which a pattern for an electronic pen according to an embodiment of the present invention is matched further includes a communication unit exchanging data with an external electronic device, and the processor, through the communication unit, transmits the information from the pattern providing device. Receive data related to the pattern.

The communication unit exchanges data with the LMS, and the processor transmits the pattern matching document to the LMS through the communication unit.

The communication unit exchanges data with the student terminal, and the processor transmits the pattern matching document to the student terminal through the communication unit.

The processor receives handwriting information generated based on a pattern of the pattern matching document from the student terminal through the communication unit.

The processor receives writing information generated by recognizing a pattern of the pattern matching document printed on paper from an electronic pen, and updates the pattern matching document based on the writing information.

The processor receives paper information generated by recognizing a pattern of the pattern matching document printed on paper from an electronic pen, and performs a preset operation based on the paper information.

A method of generating a document in which a pattern for an electronic pen is matched according to an embodiment of the present invention includes loading an electronic document; obtaining a pattern recognizable by the electronic pen; and generating a pattern matching document by matching the pattern to the electronic document, wherein the generating step assigns a pattern to which a unique ID is assigned to each page included in the electronic document.

Details of other embodiments are included in the detailed description and drawings.

According to the present invention, there is one or more of the following effects.

First, by connecting analog writing and digital electronic devices, there is an effect of enabling writing education using electronic devices.

Second, by matching a pattern to an existing electronic document to easily produce a pattern matching document, there is an effect of increasing the utilization of handwriting using an electronic pen.

Third, there is an effect of enabling the use of digital electronic devices for writing education.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

1A is a diagram referenced to describe a system according to an embodiment of the present invention.
1B is a diagram referenced to describe a system according to an embodiment of the present invention.
2 is a diagram referenced to explain configurations of an electronic device and an electronic pen according to an embodiment of the present invention.
3 is a reference diagram for explaining information received from an electronic pen according to an embodiment of the present invention.
4 is a view referenced to explain a pattern-printed paper according to an embodiment of the present invention.
5A to 5D are views referenced for explaining patterns according to an embodiment of the present invention.
6 is a diagram referenced to describe handwriting input according to an embodiment of the present invention.
7 is a diagram referenced to describe handwriting input according to an embodiment of the present invention.
8 is a flowchart of an electronic device generating a document in which a pattern for an electronic pen is matched according to an embodiment of the present invention.
9 is a diagram referenced to describe a system according to an embodiment of the present invention.
10 is a diagram referenced to describe an operation of generating a pattern matching document according to an embodiment of the present invention.

Hereinafter, the embodiments disclosed in this specification will be described in detail with reference to the accompanying drawings, but the same or similar elements are given the same reference numerals regardless of reference numerals, and redundant description thereof will be omitted. The suffixes "module" and "unit" for components used in the following description are given or used together in consideration of ease of writing the specification, and do not have meanings or roles that are distinct from each other by themselves. In addition, in describing the embodiments disclosed in this specification, if it is determined that a detailed description of a related known technology may obscure the gist of the embodiment disclosed in this specification, the detailed description thereof will be omitted. In addition, the accompanying drawings are only for easy understanding of the embodiments disclosed in this specification, the technical idea disclosed in this specification is not limited by the accompanying drawings, and all changes included in the spirit and technical scope of the present invention , it should be understood to include equivalents or substitutes.

Terms including ordinal numbers, such as first and second, may be used to describe various components, but the components are not limited by the terms. These terms are only used for the purpose of distinguishing one component from another.

It is understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, but other elements may exist in the middle. It should be. On the other hand, when an element is referred to as “directly connected” or “directly connected” to another element, it should be understood that no other element exists in the middle.

Singular expressions include plural expressions unless the context clearly dictates otherwise.

In this application, terms such as "comprise" or "have" are intended to designate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features It should be understood that the presence or addition of numbers, steps, operations, components, parts, or combinations thereof is not precluded.

1A is a diagram referenced to describe a system according to an embodiment of the present invention.

Referring to the drawings, the system 10a of FIG. 1A is a system that implements a remote class method that converts analog handwriting into digital data and uses it. The system 10a may provide a remote class environment in which writing education based on analog writing is possible.

When a teacher uses the electronic pen 300 to write an analog writing on a pattern-printed paper, the analog writing can be converted into digital data and displayed on the teacher terminal 100 and the student terminal 200 .

When a student writes analog notes on pattern-printed paper using the electronic pen 300, the analog writing may be converted into digital data and displayed on the teacher terminal 100 and the student terminal 200.

Through this process, it is possible for teachers and students to conduct writing classes based on analog writing even during remote classes.

The system 10a may include a learning management system (LMS), a first electronic device 100 , a second electronic device 200 , and an electronic pen 300 .

The LMS 50 is a system that supports and manages learners' learning. The LMS 50 may be implemented as a server. For example, the LMS 50 includes a Cloud server, an IP Multimedia Subsystem (IMS) server, a Telephony Application server, an Instant Messaging (IM) server, a Media Gateway Control Function (MGCF) server, and a MSG ( Messaging Gateway) server, CSCF (Call Session Control Function) server, and the like, and may be implemented through them.

The LMS 50 may manage content, data or information. When there is a request for at least one of content, data, and information from at least one of the first electronic device 100 and the second electronic device 100, the LMS 50 may provide the requested content.

The LMS 50 may manage users (teachers, students, etc.) by managing the first electronic device 100 and the second electronic device 100 . The LMS 50 may manage elements related to the user, such as the user's log-in, log-out, attendance, class participation, etc., through signal exchange with the first electronic device 100 and the second electronic device 100. .

The LMS 50 may exchange content, data, or information with the first electronic device 100 and the second electronic device 200 through at least one wired or wireless network.

The first electronic device 100 may be named a teacher terminal. The first electronic device 100 may be described as a terminal used by a teacher for class. The first electronic device 100 may be a fixed terminal or a mobile terminal capable of computing.

The first electronic device 100 may exchange content, data, or information with the LMS 50 and the second electronic device 100 through at least one wired or wireless network.

The first electronic device 100 may wirelessly communicate with the electronic pen 300 . For example, the first electronic device 100 may exchange signals with the electronic pen 300 through short-range communication (eg, Bluetooth).

The first electronic device 100 may receive information from the electronic pen 300 . The first electronic device 100 may receive information generated by the electronic pen 300 through wireless communication. Here, the information may include paper information and writing information generated by the electronic pen 300 . Paper information will be described later with reference to FIGS. 4 to 5D. The writing information may refer to information generated by writing, drawing, or painting on paper through an analog writing means (eg, ink) provided by the electronic pen 300. there is.

The first electronic device 100 may transmit information received from the electronic pen 300 to at least one of the LMS 50 and the second electronic device 200 .

The first electronic device 100 may include a writing program 101 . The writing program 101 may be implemented as software. The writing program 101 may be described as a program that assists class progress based on information received from the electronic pen 300 . The writing program 101 may be driven by the processor of the first electronic device 100 .

The second electronic device 200 may be referred to as a student terminal. The second electronic device 200 may be described as a terminal used by students for class. The second electronic device 100 may be a fixed terminal or a mobile terminal capable of computing.

The second electronic device 100 may exchange content, data, or information with the LMS 50 and the first electronic device 100 through at least one wired or wireless network.

The second electronic device 200 may wirelessly communicate with the electronic pen 300 . For example, the second electronic device 200 may exchange signals with the electronic pen 300 through short-range communication (eg, Bluetooth).

The second electronic device 200 may receive information from the electronic pen 300 . The second electronic device 200 may receive information generated by the electronic pen 300 through wireless communication. Here, the information may include paper information and writing information generated by the electronic pen 300 . Paper information will be described later with reference to FIGS. 4 to 5D. The writing information may refer to information generated by writing, drawing, or painting on paper through an analog writing means (eg, ink) provided by the electronic pen 300. there is.

The second electronic device 100 may transmit information received from the electronic pen 300 to at least one of the LMS 50 and the first electronic device 100 .

The electronic pen 300 may sense a pattern and provide information when the pen tip comes into contact with paper on which a pattern is printed (hereinafter referred to as pattern paper). Information may include paper information and writing information.

The electronic pen 300 may recognize a pattern by a sensor. For example, the electronic pen 300 may sense the pattern of the patterned paper through at least one sensor included in the electronic pen 300 when the pen tip touches the patterned paper. The electronic pen 300 may provide information on the recognized pattern.

The electronic pen 300 may provide a writing means. The user may write, draw, or paint on paper through the writing means while holding the electronic pen 300 . An operation in which a user writes, draws, or paints on paper through a writing means may be referred to as analog writing. Information generated when a user writes, draws, or paints on paper through a writing means may be referred to as writing information.

The electronic pen 300 may obtain writing information through a sensor. For example, the electronic pen 300 may sense a pattern change through at least one sensor included in the electronic pen 300 when the pen nib is moved while the pen nib is in contact with the pattern paper. The electronic pen 300 may obtain handwriting information based on information about a change in a recognized pattern.

1B is a diagram referenced to describe a system according to an embodiment of the present invention.

Referring to the drawings, the system 10b of FIG. 1B is a system that implements a face-to-face class method (classroom class method) that converts analog handwriting into digital data and uses it. The system 10b may provide a face-to-face class environment in which writing education based on analog writing is possible.

When a teacher uses the electronic pen 300 to write an analog writing on a pattern-printed paper, the analog writing can be converted into digital data and displayed on the display unit. The display unit may be understood as an educational screen output device disposed in a classroom. Meanwhile, the display unit may include a projector system that utilizes the pattern paper as a screen and outputs a screen by irradiating light onto the pattern paper. In this case, when analog writing is done on the pattern paper in a state where the screen is displayed on the pattern paper, the analog writing can be converted into digital data.

When a student writes analog notes on pattern-printed paper using the electronic pen 300, the analog notes may be converted into digital data. The converted data may be displayed on the display unit or stored in the memory of the electronic device 100 .

The system 50 may include an electronic device 100 and a plurality of electronic pens 300 . Depending on the embodiment, the system 50 may further include the LMS 50 , the gateway 102 and the output device 150 individually or in combination.

The LMS 50 is a system that supports and manages learners' learning. The LMS 50 may be implemented as a server. For example, the LMS 50 includes a Cloud server, an IP Multimedia Subsystem (IMS) server, a Telephony Application server, an Instant Messaging (IM) server, a Media Gateway Control Function (MGCF) server, and a MSG ( Messaging Gateway) server, CSCF (Call Session Control Function) server, and the like, and may be implemented through them.

The LMS 50 may manage content, data or information. When there is a request for at least one of content, data, and information from the electronic device 100, the LMS 50 may provide the requested content to the electronic device 100.

The LMS 50 may exchange content, data, or information with the electronic device 100 through at least one wired or wireless network.

The electronic device 100 may be referred to as a teacher terminal. The electronic device 100 may be described as a terminal used by a teacher for class. According to embodiments, the electronic device 100 may be described as a presentation terminal. The electronic device 100 may be a fixed terminal or a mobile terminal capable of computing.

The electronic device 100 may exchange content, data, or information with the LMS 50 through at least one wired or wireless network.

The electronic device 100 may wirelessly communicate with the electronic pen 300 . For example, the electronic device 100 may exchange signals with the electronic pen 300 through short-range communication (eg, Bluetooth).

The electronic device 100 may wirelessly communicate with the plurality of electronic pens 300 via the gateway 102 . In this case, the gateway 102 may transfer information received from the plurality of electronic pens 300 to the electronic device 100 and transfer information received from the electronic device 100 to the plurality of electronic pens 300. .

The electronic device 100 may receive information from a plurality of electronic pens 300 . The electronic device 100 may receive information generated by each of the plurality of electronic pens 300 through wireless communication. The information may include paper information and writing information generated by the electronic pen 300 .

The electronic device 100 may control the output device 150 based on information generated by at least one of the plurality of electronic pens 300 . Analog handwriting by the electronic pen 300 may be converted into a digital signal and used as an input signal for controlling the output device 150 .

The electronic device 100 may include a writing program 101 . The writing program 101 may be implemented as software. The writing program 101 may be described as a program that assists class progress based on information received from the electronic pen 300 . The writing program 101 may be driven by the processor of the electronic device 100 .

2 is a diagram referenced to explain configurations of an electronic device and an electronic pen according to an embodiment of the present invention.

Referring to the drawing, the electronic pen 300 may include a communication unit 310, a sensor unit 320, and a processor 370. The electronic pen 300 may include a writing means for analog writing on patterned paper.

The communication unit 310 may include at least one antenna and a radio frequency (RF) circuit for performing wireless communication. The communication unit 310 may transmit information to the electronic device 100 .

The sensor unit 320 may recognize a pattern of pattern paper. The sensor unit 320 may include at least one of an image sensor, a pressure sensor, and a posture sensor. The image sensor may obtain a pattern image of the pattern paper. The pressure sensor may detect pen pressure. The posture sensor may detect the posture of the electronic pen 300 .

The processor 370 includes application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), processors, and controllers. It may be implemented using at least one of controllers, micro-controllers, microprocessors, and electrical units for performing other functions.

The processor 370 may be driven by power provided from a power supply. The processor 370 may receive data, process data, generate signals, and provide signals while power is supplied by the power supply unit.

The processor 370 may control each unit of the electronic pen 300 . The processor 370 may be electrically connected to the sensor unit 320 and the communication unit 310 to control the sensor unit 320 and the communication unit 310 .

The processor 370 may transmit information acquired by the sensor unit 320 to the electronic device 100 through the communication unit 310 .

Description of the electronic device 100 below may be applied to the first electronic device 100 of FIG. 1A and the electronic device 100 of FIG. 1 .

The electronic device 100 may generate a document in which a pattern for the electronic pen 300 is matched.

The electronic device 100 may use analog handwriting as a digital input signal.

The electronic device 100 may include a communication unit 110 , a memory 140 and a processor 170 .

The communication unit 110 may include at least one antenna and a radio frequency (RF) circuit for performing wireless communication. The communication unit 110 may exchange data with an external electronic device. On the other hand, the external electronic device is a concept including the electronic pen 300, the LMS 50, a user terminal (eg, a student terminal), a server, and the like, except for the electronic device 100, at least one communication protocol. It means a device capable of exchanging signals, data, and information through

The communication unit 110 may receive information from the electronic pen 300 .

The communication unit 110 may receive information generated by recognizing a pattern printed on paper from the electronic pen 300 .

The information may include information about a pattern printed on paper and writing information generated by the electronic pen 300 .

The communication unit 110 may exchange data with the pattern providing device. The pattern providing device may be implemented in the form of a server or computer. The pattern providing device can be provided by a third party.

The memory 140 is electrically connected to the processor 170 . The memory 140 may store basic data for the unit, control data for controlling the operation of the unit, and input/output data. The memory 140 may store data processed by the processor 170 . The memory 140 may be configured with at least one of ROM, RAM, EPROM, a flash drive, and a hard drive in terms of hardware. The memory 140 may store various data for overall operation of the electronic device 100, such as a program for processing or controlling the processor 170. The memory 140 may be implemented integrally with the processor 170 . According to embodiments, the memory 140 may be classified as a sub-element of the processor 170 .

The memory 140 may match and store paper information and content. For example, the memory 140 may match and store a first note ID and first educational content among paper information. For example, the memory 140 may match and store the first page ID and the first page of the first educational content.

The processor 170 includes application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), processors, and controllers. It may be implemented using at least one of controllers, micro-controllers, microprocessors, and electrical units for performing other functions.

The processor 170 may be driven by power provided from a power supply. The processor 170 may receive data, process data, generate signals, and provide signals while power is supplied by the power supply unit.

The processor 170 may perform a preset operation based on information received from the electronic pen 300 . The processor 170 may control the output device 150 based on information received from the electronic pen 300 . For example, the processor 170 may control the display unit 151 based on information received from the electronic pen 300 . For example, the processor 170 may control the sound output unit 152 based on information received from the electronic pen 300 .

The handwriting information may be determined according to writing by the electronic pen 300 on a region set on paper. The processor 170 may generate a control signal to perform an operation matching the region. Here, the control signal may be a signal for controlling the output device 150 . The control signal may be a signal for controlling the display unit 151 . The control signal may be a signal for controlling the audio output unit 152 .

Paper information may include page ID information.

The processor 170 may generate a first control signal to display a screen matching the page ID when first handwriting information for the first area of the paper is received. When receiving the first control signal, the display unit 151 may display a screen matching the page ID.

The first writing information for the first area of the paper and the screen display operation matching the page ID may be matched and stored in the memory 140 . When the first handwriting information for the first area is received, the processor 170 may use it as an input signal. The processor 170 may generate a first control signal for controlling the display unit 151 to display a screen matching the page ID according to an input signal.

The processor 170 generates a second control signal to perform at least one of preset video playback, preset web page display, and preset file execution when a second handwriting input for the second area of the paper is received. can do. When receiving the second control signal, the display unit 151 may play a preset video. Alternatively, when receiving the second control signal, the display unit 151 may display a preset web page. Alternatively, when receiving the second control signal, the display unit 151 may display a preset file.

The second handwriting information for the second area of the paper and the video playback operation may be matched and stored in the memory 140 . Alternatively, the second writing information for the second area of the paper and a preset web page display operation may be matched and stored in the memory 140 . Alternatively, the second writing information for the second area of the paper and a preset file display operation may be matched and stored in the memory 140 . When the second handwriting information for the second area is received, the processor 170 may use it as an input signal. The processor 170 may generate a second control signal for controlling the display unit 151 to perform at least one of a preset video playback, a preset web page display, and a preset file execution according to an input signal.

The processor 170 may generate a third control signal to display a screen following the screen matching the page ID when a third writing input for the third area of the paper is received. When receiving the third control signal, the display unit 151 may display the next screen of the screen matching the page ID.

The third writing information for the third area of the paper and the next screen display operation of the screen matched with the page ID may be matched and stored in the memory 140 . When the third handwriting information for the third region is received, the processor 170 may use it as an input signal. The processor 170 may generate a third control signal for controlling the display unit 151 to display a screen following the screen matching the page ID according to the input signal.

The writing information may be determined according to a shape drawn by the electronic pen 300 on paper. The processor 170 may generate a control signal to perform an operation matching the shape. Here, the control signal may be a signal for controlling the output device 150 . The control signal may be a signal for controlling the display unit 151 . The control signal may be a signal for controlling the audio output unit 152 .

The output device 150 may be operated according to the control of the electronic device 100 . According to embodiments, the output device 150 may be classified as a sub-concept of the electronic device 100 . According to embodiments, the output device 150 may be physically separated from the electronic device 100 and described as a separate device from the electronic device 100 .

The output device 150 is a device for generating an output related to sight or hearing. The output device 150 may include a display unit 151 and a sound output unit 152 .

The display unit 151 may display graphic objects corresponding to various pieces of information.

The display unit 151 includes a liquid crystal display (LCD), a thin film transistor-liquid crystal display (TFT LCD), an organic light-emitting diode (OLED), and a flexible display. display), a 3D display, and an e-ink display.

The display unit 151 may include pattern paper and a projector. In this case, the pattern paper can function as a screen. The projector can output a screen by irradiating light onto the pattern paper. When analog writing is made on pattern paper through the electronic pen 300, the analog writing can be converted into digital data.

The audio output unit 152 converts an electrical signal provided from the processor 270 or the controller 170 into an audio signal and outputs the converted audio signal. To this end, the sound output unit 152 may include one or more speakers.

3 is a reference diagram for explaining information received from an electronic pen according to an embodiment of the present invention.

Referring to the drawings, information received from the electronic pen 300 may include paper information and writing information generated by the electronic pen 300 . Here, the paper means a paper on which a pattern is printed.

Paper information 390 includes X coordinate information 391, Y coordinate information 392, pattern information 393, pressure information 394, time information 395, owner ID information 396, notes ID information 397 and page ID information 398 may be included.

The information 391 on the X coordinate may mean information on the X coordinate of a contacted point in a state in which the nib of the electronic pen 300 is in contact with the paper. The electronic pen 300 may generate information about the X coordinate by recognizing a pattern of a point where the pen tip is in contact.

The information 392 on the Y coordinate may mean information on the Y coordinate of a contacted point in a state in which the nib of the electronic pen 300 is in contact with the paper. The electronic pen 300 may generate Y coordinate information by recognizing a pattern of a point where the pen tip is in contact.

The pattern information 393 is among information on the pattern formation method, pattern rule information, pattern shape information, pattern spacing information, pattern size information, and pattern inclination information. At least one may be included. The pattern information 393 may include ID information unique to the pattern paper.

The pressure information 394 may refer to information about pen pressure in a state in which the nib of the electronic pen 300 is in contact with paper.

The time information 395 may refer to information about time measured from the time when the nib of the electronic pen 300 first contacts the paper to the time when the contact ends.

The owner ID information 396 may be information about the owner of the paper. For example, when content is output on paper and matched with a pattern, an owner ID may be designated as the owner of the content, and the owner ID information 396 may be content owner information.

The note ID information 397 may mean file ID information defined as a set of a plurality of papers. For example, when one electronic document file consisting of a plurality of pages is printed, a plurality of papers are output. The information may be described as note ID information.

The page ID information 398 may refer to information about an ID assigned to each piece of paper constituting the note.

Writing means changing the position of the pen tip on the paper while in contact with the paper, and writing information may be defined as information generated by writing. The sensor unit 320 of the electronic pen 300 may detect a change in pattern according to the movement of the pen tip. The electronic pen 300 may generate handwriting information based on a pattern change.

The writing information may be provided to the electronic device 100 in a state of being converted into a digital signal. The electronic device 100 may display the contents of the writing on the display unit 151 based on the writing information. Alternatively, the electronic device 100 may control the output device 150 based on the writing information.

4 is a view referenced to explain a pattern-printed paper according to an embodiment of the present invention.

Referring to the drawings, the pattern paper 410 may be described as paper on which a predetermined pattern is printed. The pattern can be printed through a printer. One page of specific content may be printed on the pattern paper 410 .

The pattern paper 410 may be divided into a plurality of regions. A region can be defined by a user. The pattern paper 410 may have different pattern forms depending on the position of the pattern paper 410 . The pattern form may be determined by factors such as the shape of the pattern, the interval between the patterns, the size of the pattern, and the inclination of the pattern.

5A to 5D are views referenced for explaining patterns according to an embodiment of the present invention. 5A to 5D show examples of various patterns in an enlarged view of 420 in FIG. 4 .

As illustrated in FIG. 5A , a pattern form may be determined based on the intervals 511 and 512 between dots. For example, based on the first distance 511 between the first coordinate point and the second coordinate point and the distance 512 between the third coordinate point and the fourth coordinate point, the pattern of the pattern paper 410 can define Based on the pattern of the pattern paper 410, a unique ID of the pattern paper 410 may be assigned. By the pattern of the pattern paper 410, a plurality of pattern papers can be distinguished from each other. In addition, X and Y coordinates within the pattern paper 410 can be distinguished by the pattern of the pattern paper 410 .

As illustrated in FIG. 5B , a pattern form may be determined based on the shapes 521 and 522 of the dots. For example, the pattern of the pattern paper 410 may be defined based on the first shape of the dot of the first coordinate and the second shape of the dot of the second coordinate. Based on the pattern of the pattern paper 410, a unique ID of the pattern paper 410 may be assigned. By the pattern of the pattern paper 410, a plurality of pattern papers can be distinguished from each other. In addition, X and Y coordinates within the pattern paper 410 can be distinguished by the pattern of the pattern paper 410 .

As illustrated in FIG. 5C , a pattern form may be determined based on the sizes 531 and 532 of the dots. For example, the pattern of the pattern paper 410 may be defined based on the first size of the dot of the first coordinate and the second size of the dot of the second coordinate. Based on the pattern of the pattern paper 410, a unique ID of the pattern paper 410 may be assigned. By the pattern of the pattern paper 410, a plurality of pattern papers can be distinguished from each other. In addition, X and Y coordinates within the pattern paper 410 can be distinguished by the pattern of the pattern paper 410 .

As illustrated in FIG. 5D , when a dot has an elongated shape, a pattern form may be determined based on a gradient of the dot with respect to the X axis or the Y axis. For example, the pattern of the pattern paper 410 may be defined based on the first slope of the first coordinate points and the second slope of the second coordinate points. Based on the pattern of the pattern paper 410, a unique ID of the pattern paper 410 may be assigned. By the pattern of the pattern paper 410, a plurality of pattern papers can be distinguished from each other. In addition, X and Y coordinates within the pattern paper 410 can be distinguished by the pattern of the pattern paper 410 .

6 is a diagram referenced to describe handwriting input according to an embodiment of the present invention.

Referring to the drawing, the pattern paper 600 may include a plurality of regions 610, 620, 630, 640, 650, and 660.

The electronic pen 300 may detect a writing input for any one area among a plurality of areas. The electronic pen 300 may transmit writing information on a corresponding area to the electronic device 100 .

The processor 170 may generate a control signal so that the output device 150 performs a preset operation when a writing input for any one of a plurality of areas is received.

Different patterns are printed on each of the plurality of areas, and the electronic pen 300 can recognize the different patterns. The processor 170 may determine in which area a writing input is made through pattern recognition by the electronic pen 300 .

The memory 140 may store operation information of the output device 150 matched with each of a plurality of areas. The processor 170 may generate a control signal to perform a matched operation when a handwriting input for any one of a plurality of regions is received.

When a handwriting input for the first area 610 is received, the processor 170 generates a control signal to be displayed on the display unit 151 corresponding to the page ID according to operation information stored in the memory 140. can

The memory 140 may store owner ID information, note ID information, and page ID information of the pattern paper 600 together with pattern information. The processor 170 may call the information stored in the memory 140 and check the page ID information based on the unique ID information of the pattern paper 600 obtained by the handwriting input on the first area 610. . The processor 170 may generate a control signal so that a screen corresponding to the page ID information is displayed on the display unit 151 .

When a handwriting input for the second area 620 is received, the processor 170 plays a video or displays a preset web page through the display unit 151 according to the operation information stored in the memory 140. A control signal can be generated to display the set file.

When a handwriting input for the third area 630 is received, the processor 170 displays the next screen of the screen matching the page ID through the display unit 151 according to the operation information stored in the memory 140. A control signal may be generated to be displayed on the display unit 151 .

When a handwriting input for the fourth area 630 is received, the processor 170 displays the previous screen of the screen matching the page ID through the display unit 151 according to the operation information stored in the memory 140. A control signal may be generated to be displayed on the display unit 151 .

When a writing input for the fifth area 650 is received, the processor 170 generates a control signal to display owner ID information through the display unit 151 according to operation information stored in the memory 140. can do.

When a writing input for the sixth area 660 is received, the processor 170 generates a control signal to display note ID information through the display unit 151 according to operation information stored in the memory 140. can do.

7 is a diagram referenced to describe handwriting input according to an embodiment of the present invention.

Referring to the drawings, handwriting input may be performed by writing specific shapes 710 , 720 , 730 , 740 , 750 , 760 , 770 , 780 , and 790 on pattern paper 700 . Handwriting input may be performed by writing symbols, text (eg, Korean consonants, Korean vowels, alphabets), figures (eg, circles, polygons), and the like.

The electronic pen 300 may recognize a writing input by detecting a change in a pattern generated as the pen tip of the electronic pen 300 moves. The electronic pen 300 may transmit writing information generated by moving the nib of the electronic pen 300 on the pattern paper 700 to the electronic device 100 .

The processor 170 may generate a control signal so that the output device 150 performs a preset operation when a handwriting input writing a specific shape is received.

The memory 140 may store operation information of the output device 150 that matches a specific shape. When a handwriting input describing a specific shape is received, the processor 170 may generate a control signal to perform a matched operation.

8 is a flowchart of an electronic device generating a document in which a pattern for an electronic pen is matched according to an embodiment of the present invention.

Referring to the drawing, the electronic device 100 may generate a document in which a pattern for an electronic pen is matched. The document creation operation may be performed by the processor 170 of the electronic device 100 .

The processor 170 may load an electronic document (S810). The processor 170 may read electronic documents stored in the memory 140 . The processor 170 may receive and call an electronic document from the LMS through the communication unit 110 . The electronic document may be any one of MS-OFFICE-based document files, Hancom Office-based document files, PDF document files, and image-type document files.

The processor 170 may obtain a pattern recognizable by the electronic pen 300 (S820).

The processor 170 may receive pattern-related data from the pattern providing device through the communication unit 110 .

A pattern recognizable by the electronic pen 300 may be provided by a third party. In this case, the pattern providing device is physically disposed outside, and the processor 170 may receive pattern-related data from the pattern providing device through the communication unit 110 .

Depending on the embodiment, the pattern recognizable by the electronic pen 300 may be provided from inside (eg, memory) of the electronic device 100 . In this case, the processor 170 may be provided from a unit in which pattern data is stored.

Depending on the embodiment, the pattern recognizable by the electronic pen 300 may be provided from the LMS 50 . In this case, the processor 170 may receive pattern-related data from the LMS 50 through the communication unit 110 .

The processor 170 may generate a pattern matching document by matching a pattern to an electronic document (S830).

The processor 170 may generate a pattern matching document by matching a pattern to an electronic document and assigning a pattern to which a unique ID is assigned to each page included in the electronic document.

An electronic document may include a plurality of pages.

The processor 170 may individually assign a unique ID-allocated pattern to each of a plurality of pages of the electronic document. For example, the processor 170 may assign a first pattern to a first page of an electronic document, a second pattern to a second page, and an nth pattern to an nth page.

A pattern assigned to each electronic document may be matched with owner (eg, document creator) ID information, note ID information (eg, document information), and page ID information. The processor 170 may store the pattern matching document in the memory 140 .

Owner ID information and note ID information are commonly matched to patterns assigned to each of a plurality of pages, but page ID information may be individually matched.

Meanwhile, when the pattern matching document is printed on paper, the pattern may be printed together with the contents of the page. When writing with the electronic pen 300 on paper on which a pattern is printed, information may be generated and provided to the electronic device 100 .

When the pattern matching document is displayed on the display unit 151, the pattern may be displayed together with the content of the page. When writing with the electronic pen 300 on the display unit 151 on which the pattern is displayed, information may be generated and provided to the electronic device 100 .

Meanwhile, the processor 170 may set the pattern matching document to an open form or a closed form according to a user input. When the pattern matching document is set in an open form, the pattern matching document may be provided to all terminals accessible to the LMS 50 . When the pattern matching document is set in a closed form, the pattern matching document may be provided only within the range of use of the document by the user. In this case, the pattern matching document may be provided only to the teacher terminal 100 and the student terminal 200 .

The processor 170 may convert the pattern matching document generated in step S830 into a Portable Document Format (PDF) document (S840).

The processor 170 may convert the PDF document into an image file (S850). By converting a PDF document into an image file, the usability of the pattern matching document is increased.

The processor 170 may transmit the pattern matching document to the external electronic device through the communication unit 110 (S855).

For example, the processor 170 may transmit a pattern matching document to the LMS 50 through the communication unit 110 . The LMS 50 may utilize the pattern matching document as an educational content material. The LMS 50 may provide a pattern matching document to an electronic device accessible to the LMS 50 .

For example, the processor 170 may transmit a pattern matching document to the student terminal 200 through the communication unit 110 . The student terminal 200 may display a pattern matching document. When the student terminal 200 prints a pattern matching document on paper or writes on paper using the electronic pen 300 , writing information may be generated and provided to the student terminal 200 . The student terminal 200 may transmit writing information to the electronic device 100 . In this case, the processor 170 may receive writing information generated based on the pattern of the pattern matching document from the student terminal 200 through the communication unit 110 .

The processor 170 may receive writing information generated by recognizing a pattern of a pattern matching document printed on paper from the electronic pen 300 (S860).

The processor 170 may update the pattern matching document based on the handwriting information (S870).

Meanwhile, the processor 170 may receive paper information generated by recognizing a pattern of a pattern matching document printed on paper from the electronic pen 300 . The processor 170 may perform a preset operation based on paper information. The preset operation may be understood as an operation of controlling the output device 150 .

9 is a diagram referenced to describe a system according to an embodiment of the present invention.

Referring to the drawing, the electronic device 100 may generate a pattern matching document 910 by inserting a pattern onto a general document.

The electronic pen 300 may recognize the pattern matching document 910 . The electronic pen 300 may generate handwriting information through the pattern matching document 910 .

In a state where the pattern matching document 910 is printed on paper, when the nib of the electronic pen 300 touches the paper, the electronic pen 300 may recognize a pattern. The electronic pen 300 may generate writing information when writing is performed by a writing means provided by the electronic pen 300 on patterned paper. The electronic pen 300 may transmit writing information to the electronic device 100 .

When the pattern matching document 910 is displayed on the display unit 151 and the pen tip of the electronic pen 300 contacts the display unit 151, the electronic pen 300 may recognize a pattern. The electronic pen 300 may generate writing information when writing is performed on the display unit 151 while the pattern matching document 910 is displayed on the display unit 151 . The electronic pen 300 may transmit writing information to the electronic device 100 . Meanwhile, according to embodiments, the display unit 151 may include a blackboard 920 .

The electronic device 100 may utilize the pattern matching document 910 . The electronic device 100 may display the pattern matching document 910 on the blackboard 920 . In a state where the pattern matching document 910 is displayed on the blackboard 920 , analog writing by the electronic pen 300 may be performed on the blackboard 920 . The electronic pen 300 may generate writing information. The electronic pen 300 may transmit writing information to the electronic device 100 . The electronic device 100 may convert analog writing into digital data.

Meanwhile, the blackboard 920 may be implemented as an electronic blackboard. According to embodiments, the blackboard 920 may be implemented as a projector system.

The electronic device 100 may create a PDF file by adding a pattern to a general document. The pattern matching document 910 can be used for writing. The pattern matching document 910 may be used in the LMS 50 .

The electronic device 100 may convert the pattern-coated PDF document into an image file.

The pattern matching document 910 is immediately recognized and usable by a local PC (eg, the electronic device 100) and all devices connected to the network.

The pattern matching document 910 can be bidirectionally recognized and simultaneously written on a plurality of devices. For example, a plurality of electronic devices connected to a network may execute the pattern matching document 910 provided by the electronic device 100 or the LMS 50 . In this case, bi-directional recognition is possible in a plurality of devices. In addition, when writing is simultaneously performed by the electronic pen 300 on the screens of each device while the pattern matching document 910 is displayed, writing information is transmitted to each device, enabling simultaneous writing.

10 is a diagram referenced to describe an operation of generating a pattern matching document according to an embodiment of the present invention.

Referring to the drawings, an operation of generating a pattern matching document may be performed by an application 1020. The application may be installed on the processor 170 and implemented by the processor 170 .

The application 1020 or the processor 170 may load the general document 1010 . , can call a general document (1010).

The application 1020 or the processor 170 may transmit pattern generation request document information to the pattern library 1030 . Document information may include page information, owner information, and book information (eg, note information).

The pattern library 1030 may transmit document information to the pattern service cloud 1040 . The pattern library 1030 may receive pattern data that can be matched with document information from the pattern service cloud 1040 .

The application 1020 or the processor 170 may receive pattern data from the pattern library 1030 in the form of a pattern image or PostScript (PS).

The application 1020 or the processor 170 may provide the pattern image or PS file and the general document file 1020 to the pattern matching document library 1050 .

The pattern matching document library 1050 may generate a pattern matching document with a pattern in a PDF format (1060).

A PDF document may be provided to the image conversion library 1070.

The image conversion library 1070 may generate a pattern matching document with a pattern in the form of an image file (1080).

The above-described present invention can be implemented as computer readable code on a medium on which a program is recorded. The computer-readable medium includes all types of recording devices in which data that can be read by a computer system is stored. Examples of computer-readable media include Hard Disk Drive (HDD), Solid State Disk (SSD), Silicon Disk Drive (SDD), ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage device, etc. there is Also, the computer may include a processor or a control unit. Accordingly, the above detailed description should not be construed as limiting in all respects and should be considered illustrative. The scope of the present invention should be determined by reasonable interpretation of the appended claims, and all changes within the equivalent scope of the present invention are included in the scope of the present invention.

10a: Remote class system
10b: classroom teaching system
100: electronic device, teacher terminal
200: electronic device, student terminal
300: electronic pen

Claims (10)

fetch electronic documents;
Obtain a pattern that can be recognized by the electronic pen,
A processor matching the pattern to the electronic document and assigning a pattern to which a unique ID is assigned to each page included in the electronic document to generate a pattern matching document; generating a document matched with a pattern for an electronic pen including electronic device. According to claim 1,
the processor,
An electronic device that generates a document in which a pattern for an electronic pen that converts the pattern matching document into a PDF document is matched. According to claim 2,
the processor,
An electronic device that generates a document in which a pattern for an electronic pen that converts the PDF document into an image file is matched. According to claim 1,
a communication unit exchanging data with an external electronic device;
the processor,
An electronic device that generates a document matched with a pattern for an electronic pen that receives data related to the pattern from the pattern providing device through the communication unit. According to claim 4,
The communication unit exchanges data with the LMS,
the processor,
An electronic device that generates a document matched with a pattern for an electronic pen that transmits the pattern matching document to the LMS through the communication unit. According to claim 4,
The communication unit exchanges data with the student terminal,
the processor,
An electronic device generating a document matched with a pattern for an electronic pen that transmits the pattern matching document to the student terminal through the communication unit. According to claim 6,
the processor,
An electronic device that generates a document matched with a pattern for an electronic pen that receives writing information generated based on a pattern of the pattern matching document from the student terminal through the communication unit. According to claim 1,
the processor,
Receiving handwriting information generated by recognizing a pattern of the pattern matching document printed on paper from an electronic pen;
An electronic device generating a document matched with a pattern for an electronic pen that updates the pattern matching document based on the writing information. According to claim 1,
the processor,
Receiving paper information generated by recognizing a pattern of the pattern matching document printed on paper from an electronic pen;
An electronic device generating a document in which a pattern for an electronic pen performing a predetermined operation is matched based on the paper information. invoking an electronic document;
obtaining a pattern recognizable by the electronic pen; and
generating a pattern matching document by matching the pattern to the electronic document;
The generating step is
A method of generating a document matched with a pattern for an electronic pen, wherein a pattern to which a unique ID is assigned is assigned to each page included in the electronic document.