WO2011021823A2 - Method for measuring movement path of a reader, and reader adopting same - Google Patents

Method for measuring movement path of a reader, and reader adopting same Download PDF

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Publication number
WO2011021823A2
WO2011021823A2 PCT/KR2010/005405 KR2010005405W WO2011021823A2 WO 2011021823 A2 WO2011021823 A2 WO 2011021823A2 KR 2010005405 W KR2010005405 W KR 2010005405W WO 2011021823 A2 WO2011021823 A2 WO 2011021823A2
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WO
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Prior art keywords
reader
position information
movement
information
starting point
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PCT/KR2010/005405
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French (fr)
Korean (ko)
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WO2011021823A3 (en
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이상규
이석주
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주식회사 네오랩컨버전스
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Publication of WO2011021823A2 publication Critical patent/WO2011021823A2/en
Publication of WO2011021823A3 publication Critical patent/WO2011021823A3/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03545—Pens or stylus

Definitions

  • the present invention relates to a method for measuring a movement trajectory of a reader and a reader to which the same is applied, and more particularly, to easily input and shorten a writing time of a character or a symbol by writing and storing / transmitting contents as if writing with a pen.
  • the present invention relates to a moving trajectory measurement method of a reader and a reader using the same.
  • a portable device is an information processing device that performs various functions while the user moves freely, such as a PDA, a portable multimedia player (PMP), a mobile phone, and a smartphone.
  • a mobile communication device such as a mobile phone freely moves within a service area of a mobile communication system and communicates instantly with a desired party anytime and anywhere through a mobile communication base station.
  • Such mobile communication portable devices are generally used because they are portable and free to communicate.
  • various additional services such as memo writing, text message transmission, and photography are continuously developed.
  • the memo writing service in mobile devices such as PDAs and electronic notebooks can be written anywhere anytime, anywhere without having to carry writing instruments and papers, such as memo, memo, or memo to be remembered.
  • the text message transmission service is widely used because it is possible to simply and quickly deliver the contents created by the caller by creating a letter, a symbol, a number, an emoticon, etc., and transmitting the same to a designated counterpart through a mobile communication base station.
  • an object of the present invention is to provide a method of measuring a movement trajectory of a reader and a reader using the same, which facilitates an input and shortens the writing time of a character or a symbol by creating and storing / transmitting contents as if writing with a pen. Is in.
  • the movement trajectory measuring method of the reader according to the present invention for achieving the above object, in the method for tracking the trajectory according to the movement of the reader, the reader on the printed material is displayed a code indicating the position information for each position Reading position information of a starting point; Measuring, by the reader, an amount of change in relative coordinates according to the movement of the reader; And extracting, by the reader, movement trajectory information of the reader based on the position information of the starting point and the relative coordinate change amount.
  • the reader in the method of tracking the trajectory according to the movement of the reader, is the position information of the starting point on the printed material in which a code indicating the position information for each position is printed Reading; Measuring, by the reader, an amount of change in relative coordinates according to movement of the reader and a pressure value by a user applied to the reader; And extracting, by the reader, movement trajectory information of the reader based on the position information of the starting point, the relative coordinate change amount, and the pressure value.
  • the reader further comprises the step of reading the position information of the end point the movement is completed on the printed matter.
  • the extracting of the movement trajectory information of the reader may include reading position information on the printed matter of the reader at predetermined time periods.
  • the reader according to the invention is characterized in that the program for executing each step is installed.
  • information input and transmission freely expressing various characters or symbols can be performed as it is without writing regardless of fonts or formats previously stored in the mobile device.
  • FIG. 1 is a view for explaining the principle of the movement trajectory measuring method of the reader according to an embodiment of the present invention
  • FIG. 2 is a flow chart illustrating a principle of a moving trajectory measuring method of a reader according to the present invention.
  • FIG. 3 is a view for explaining the principle of the movement trajectory measuring method of the reader according to another embodiment of the present invention.
  • FIG. 1 is a view for explaining the principle of the movement trajectory measurement method of the reader according to an embodiment of the present invention.
  • the reader 100 which is a movement trajectory measurement object in the present invention, may be preferably manufactured in a pen-like form, and the user may take notes using the reader 100 having a pen-like form.
  • the handwriting trajectory of the user may be measured.
  • the user In order for the reader 100 to measure the movement trajectory of the reader 100 that the user moves, when the user writes using the reader 100, the user displays a code indicating the corresponding location information for each location. It should be written on the printed matter 150.
  • the reader 100 reads the position information of the starting point 1 at which writing starts on the printed matter 150.
  • the reader 100 measures in real time the pressure applied to the end of the reader 100 when writing the end of the reader 100 to the printed matter 150.
  • the pressure value applied to the end of the reader 100 appears, and at the time when the pressure value appears, the reader 100 reads the position information on the printed matter 150.
  • the location information of is stored as the location information of the starting point (1).
  • the reader 100 measures the relative coordinate change according to the movement of the reader 100, and the position information of the starting point 1 and the reader 100.
  • the reader 100 extracts movement trajectory information of the reader 100 based on the relative coordinate change amount measured according to the movement of.
  • the reader 100 displays the position information on the printed matter 150. It reads, and stores the position information at this time as the position information of the end point (2).
  • the reader 100 accurately measures the movement trajectory of the reader 100 through the position information of the start point 1, the relative coordinate change amount measured according to the movement of the reader 100, and the position information of the end point 2. It becomes possible.
  • FIG 2 is a flow chart illustrating the principle of the movement trajectory measurement method of the reader according to the present invention.
  • the reader 100 has a predetermined threshold value of the pressure value applied at the end of the reader 100; It is determined whether or not (eg, '0') is exceeded (S210).
  • the reader 100 reads the position information of the point where the reader 100 is located on the printed matter 150 as the position information of the starting point 1 at that time (S220). .
  • the reader 100 measures the relative coordinate change according to the movement (S230).
  • the relative coordinate variation it is preferable to use a position movement measurement method in an optical mouse that is generally used, or to use a motion vector of an image acquired by the reader 100 on the printed matter 150. will be.
  • the reader 100 may extract the movement trajectory information of the reader 100 based on the measured relative coordinate change amount from the position information of the read writing start point 1 (S240).
  • the reader 100 transmits the extracted movement trajectory information to an external monitor or an external printer and outputs the same, thereby displaying the contents written by the user using the reader 100.
  • the reader 100 for measuring the relative coordinate change according to the movement of the reader 100 may continuously measure the pressure value applied to the reader 100 together.
  • the reader 100 may extract the movement trajectory information of the reader 100 based on the measured relative coordinate change amount and the continuously measured pressure value from the position information of the read writing start point 1. (S240).
  • the reader 100 may acquire the movement trajectory information reflecting the thickness of the written character or symbol according to the degree of pressure applied. Accordingly, when the content written by the user using the reader 100 is displayed by an external monitor or an external printer, the thickness of the letter or symbol written by the user may be reflected and displayed.
  • the user will be able to extract more accurate movement trajectory information of the reader 100 by checking the position information of the end point (2) which is the end point of the writing.
  • the reader 100 determines whether the pressure value applied to the end of the reader 100 is equal to or less than a predetermined threshold value (for example, '0') (S250), and the pressure value is a predetermined threshold value. In the case where it is determined to be the following, the reader 100 reads the position information of the point where the reader 100 is located on the printed matter 150 as the position information of the end point 2 at the point in time (S260).
  • a predetermined threshold value for example, '0'
  • the reader 100 not only reads the position information of the end point 2, but also periodically in accordance with a predetermined time period while the reader 100 moves as shown in FIG.
  • the position information on the printed matter 150 may be read, and the position information of the read reader 100 may be used to correct the movement trajectory information of the reader 100 extracted in step S240.
  • the reader 100 reads the position information of the end point 2 which is the point where the writing is finished, and then corrects the movement trajectory information of the reader 100 extracted in step S240 based on this, thereby the reader 100
  • the movement trajectory information of can be measured more accurately.
  • the reader 100 when the reader 100 reads the position information of the end point 2, the reader 100 recognizes this as the end of writing and moves the movement trajectory information measured up to the point in time when the position information of the end point 2 is read. It is separated from (S270).
  • the movement trajectory information of the reader 100 separated as described above is transmitted to the reader 100 and transmitted to a server, an external monitor, or an external printer that manages the movement trajectory of the reader 100 (S280).
  • the reader 100 will be installed a program to execute each step of the above-described step S210 to step S270.
  • the present invention can be used in the field of electronic devices associated with the electronic pen.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)

Abstract

Disclosed are a method for measuring the movement path of a reader and a reader adopting same. The method of the present invention comprises: enabling a reader to read position information on a starting point on a printout on which codes for indicating position information for each position are marked; measuring relative coordinate variations caused by the movement of the reader; and extracting information on the movement path of the reader on the basis of the position information on the starting point and the relative coordinate variations. According to the present invention, a user may write content using a pen and store/transmit the content, thereby enabling an input operation to be performed in a simple and convenient manner, and shortening the time taken for inputting characters or symbols.

Description

리더기의 이동 궤적 측정방법 및 이를 적용한 리더기Moving trajectory measuring method of reader and reader using the same
본 발명은 리더기의 이동 궤적 측정방법 및 이를 적용한 리더기에 관한 것으로, 더욱 상세하게는 펜을 가지고 필기하듯이 내용을 작성하여 저장/전송함으로써 입력을 간편하게 하고 문자 또는 기호의 작성 시간을 단축시킬 수 있게 하는 리더기의 이동 궤적 측정방법 및 이를 적용한 리더기에 관한 것이다. The present invention relates to a method for measuring a movement trajectory of a reader and a reader to which the same is applied, and more particularly, to easily input and shorten a writing time of a character or a symbol by writing and storing / transmitting contents as if writing with a pen. The present invention relates to a moving trajectory measurement method of a reader and a reader using the same.
휴대기기는 PDA, 휴대용 멀티미디어 플레이어(PMP), 휴대전화, 스마트폰 등과 같이 사용자가 자유롭게 이동하면서 다양한 기능을 수행하는 정보처리장치이다.A portable device is an information processing device that performs various functions while the user moves freely, such as a PDA, a portable multimedia player (PMP), a mobile phone, and a smartphone.
특히, 휴대전화와 같은 이동통신용 휴대기기는 이동통신 시스템의 서비스 영역 안에서 자유롭게 이동하면서 이동통신 기지국을 통하여 언제 어디서나 원하는 상대방과 즉시 무선 접속하여 통신한다. 이러한 이동통신용 휴대기기는 휴대가 편리하고 통신이 자유롭기 때문에 그 사용이 일반화되고 있는 추세이다. 이에 더하여, 근래에는 단순히 통화를 하는 기본적인 서비스외에도 메모작성, 문자메시지 전송 및 사진 촬영 등 각종 부가 서비스들이 지속적으로 개발되고 있다.In particular, a mobile communication device such as a mobile phone freely moves within a service area of a mobile communication system and communicates instantly with a desired party anytime and anywhere through a mobile communication base station. Such mobile communication portable devices are generally used because they are portable and free to communicate. In addition, in recent years, in addition to the basic service of making a phone call, various additional services such as memo writing, text message transmission, and photography are continuously developed.
이 중에서도 특히, PDA, 전자수첩 등 휴대기기에서 메모작성 서비스는 평소에 갑자기 생각나는 메모나 필요한 메모 또는 기억해야 할 메모 등을 필기구와 종이를 가지고 다닐 필요가 없이 언제 어디서나 작성이 가능하다는 점, 모바일 문자 메시지 전송 서비스는 문자, 기호, 숫자, 이모티콘 등을 작성하여 이동통신 기지국을 통하여 지정된 상대방에게 전달함으로써 발신자가 작성한 내용을 간단하면서도 신속하게 전달하는 것이 가능하다는 점 때문에 많이 사용되고 있다.Among them, in particular, the memo writing service in mobile devices such as PDAs and electronic notebooks can be written anywhere anytime, anywhere without having to carry writing instruments and papers, such as memo, memo, or memo to be remembered. The text message transmission service is widely used because it is possible to simply and quickly deliver the contents created by the caller by creating a letter, a symbol, a number, an emoticon, etc., and transmitting the same to a designated counterpart through a mobile communication base station.
그러나, 기존의 휴대기기에서 메모를 작성하거나 문자 메시지를 작성하기 위해서는 우선 각종 기능키 조작을 통하여 메모작성 모드 또는 문자메시지 모드에 진입한 후에, 다수의 버튼 키를 이용하여 내용을 작성한 다음, 이를 저장하거나 전송하는 단계를 거쳐야 한다. 따라서, 비교적 짧은 내용의 메시지를 작성하는 경우에도 복잡한 단계를 거쳐 다수의 버튼 키를 눌러야 하므로 입력이 불편하고, 작성 시간이 오래 소요되는 문제점이 있었다.However, in order to write a memo or write a text message on an existing mobile device, first enter a memo writing mode or a text message mode by operating various function keys, and then write contents using a plurality of button keys, and then store the contents. Or transfer. Therefore, even when a message having a relatively short content needs to be pressed through a complicated step, a plurality of button keys have a problem in that input is inconvenient and takes a long time to write.
또한, 작성할 수 있는 문자 또는 기호의 종류도 이미 휴대기기에 저장된 문자나 기호에 한정되므로 발신자가 의도하는 다양한 정보를 자유롭게 표현할 수 없으며, 발신자 고유의 개성적인 표현이 불가능하다는 문제점이 있었다.In addition, since the type of characters or symbols that can be written is limited to the characters or symbols already stored in the mobile device, there is a problem in that it is not possible to freely express various information intended by the sender, and the unique expression of the sender is impossible.
따라서, 본 발명의 목적은, 펜을 가지고 필기하듯이 내용을 작성하여 저장/전송함으로써 입력을 간편하게 하고 문자 또는 기호의 작성 시간을 단축시킬 수 있게 하는 리더기의 이동 궤적 측정방법 및 이를 적용한 리더기를 제공함에 있다.Accordingly, an object of the present invention is to provide a method of measuring a movement trajectory of a reader and a reader using the same, which facilitates an input and shortens the writing time of a character or a symbol by creating and storing / transmitting contents as if writing with a pen. Is in.
상기 목적을 달성하기 위한 본 발명에 따른 리더기의 이동 궤적 측정방법은, 리더기의 이동에 따른 궤적을 추적하는 방법에 있어서, 상기 리더기가, 각 위치별로 해당 위치정보를 나타내는 코드가 표시되어 있는 인쇄물 상에서 시작점의 위치정보를 독취하는 단계; 상기 리더기가, 상기 리더기의 이동에 따른 상대좌표 변화량을 측정하는 단계; 및 상기 리더기가, 상기 시작점의 위치정보 및 상기 상대좌표 변화량에 기초하여 상기 리더기의 이동 궤적정보를 추출하는 단계를 포함한다.  The movement trajectory measuring method of the reader according to the present invention for achieving the above object, in the method for tracking the trajectory according to the movement of the reader, the reader on the printed material is displayed a code indicating the position information for each position Reading position information of a starting point; Measuring, by the reader, an amount of change in relative coordinates according to the movement of the reader; And extracting, by the reader, movement trajectory information of the reader based on the position information of the starting point and the relative coordinate change amount.
한편, 본 발명에 따른 리더기의 이동 궤적 측정방법은 리더기의 이동에 따른 궤적을 추적하는 방법에 있어서, 상기 리더기가, 각 위치별로 해당 위치정보를 나타내는 코드가 인쇄되어 있는 인쇄물 상에서 시작점의 위치정보를 독취하는 단계; 상기 리더기가, 상기 리더기의 이동에 따른 상대좌표 변화량과 상기 리더기에 가해지는 사용자에 의한 압력값을 측정하는 단계; 및 상기 리더기가, 상기 시작점의 위치정보, 상기 상대좌표 변화량, 및 상기 압력값에 기초하여 상기 리더기의 이동 궤적정보를 추출하는 단계를 포함한다. On the other hand, in the method of measuring the movement trajectory of the reader according to the present invention, in the method of tracking the trajectory according to the movement of the reader, the reader is the position information of the starting point on the printed material in which a code indicating the position information for each position is printed Reading; Measuring, by the reader, an amount of change in relative coordinates according to movement of the reader and a pressure value by a user applied to the reader; And extracting, by the reader, movement trajectory information of the reader based on the position information of the starting point, the relative coordinate change amount, and the pressure value.
바람직하게는, 상기 리더기의 이동이 종료된 경우에, 상기 리더기가, 상기 인쇄물 상에서 이동이 종료된 종료점의 위치정보를 독취하는 단계를 더 포함한다. Preferably, when the movement of the reader is finished, the reader further comprises the step of reading the position information of the end point the movement is completed on the printed matter.
또한, 상기 리더기의 이동 궤적정보를 추출하는 단계는, 상기 리더기의 상기 인쇄물 상에서의 위치 정보를 소정의 시간 주기별로 독취하는 단계를 포함한다.The extracting of the movement trajectory information of the reader may include reading position information on the printed matter of the reader at predetermined time periods.
한편, 본 발명에 따른 리더기는 상기 각 단계가 실행되는 프로그램이 설치된 것을 특징으로 한다. On the other hand, the reader according to the invention is characterized in that the program for executing each step is installed.
본 발명에 따르면, 펜을 가지고 필기하듯이 내용을 작성하여 저장/전송함으로써 입력을 간편하게 하고 문자 또는 기호의 작성 시간을 단축시킬 수 있게 된다.According to the present invention, by writing and storing / transmitting contents as if writing with a pen, it is possible to simplify the input and shorten the writing time of characters or symbols.
또한, 본 발명에 따르면, 휴대기기에 미리 저장된 글꼴이나 형식에 구애받지 않고 자연필기 그대로 다양한 문자나 기호를 자유롭게 표현한 정보입력 및 전송이 가능하게 된다. In addition, according to the present invention, information input and transmission freely expressing various characters or symbols can be performed as it is without writing regardless of fonts or formats previously stored in the mobile device.
아울러, 본 발명에 따르면, 별도의 키패드가 없더라도 다양한 입력기능을 수행할 수 있게 된다. In addition, according to the present invention, it is possible to perform a variety of input functions even without a separate keypad.
도 1은 본 발명의 일실시예에 따른 리더기의 이동 궤적 측정방법의 원리를 설명하는 도면, 1 is a view for explaining the principle of the movement trajectory measuring method of the reader according to an embodiment of the present invention,
도 2는 본 발명에 따른 리더기의 이동 궤적 측정방법의 원리를 설명하는 절차 흐름도, 및2 is a flow chart illustrating a principle of a moving trajectory measuring method of a reader according to the present invention; and
도 3은 본 발명의 다른 실시예에 따른 리더기의 이동 궤적 측정방법의 원리를 설명하는 도면이다. 3 is a view for explaining the principle of the movement trajectory measuring method of the reader according to another embodiment of the present invention.
이하에서는 도면을 참조하여 본 발명을 보다 상세하게 설명한다. 도면들 중 동일한 구성요소들은 가능한 한 어느 곳에서든지 동일한 부호들로 나타내고 있음에 유의해야 한다. 또한 본 발명의 요지를 불필요하게 흐릴 수 있는 공지 기능 및 구성에 대한 상세한 설명은 생략한다. Hereinafter, with reference to the drawings will be described the present invention in more detail. It should be noted that the same elements in the figures are represented by the same numerals wherever possible. In addition, detailed descriptions of well-known functions and configurations that may unnecessarily obscure the subject matter of the present invention will be omitted.
도 1은 본 발명의 일실시예에 따른 리더기의 이동 궤적 측정방법의 원리를 설명하는 도면이다. 1 is a view for explaining the principle of the movement trajectory measurement method of the reader according to an embodiment of the present invention.
도 1에서와 같이, 본 발명에서의 이동 궤적 측정대상인 리더기(100)는 펜과 같은 형태로 제작되는 것이 바람직할 것이며, 사용자는 펜과 같은 형태를 가진 리더기(100)를 이용하여 필기를 하게 되면, 리더기(100)에서는 사용자의 필기 궤적을 측정할 수 있게 되는 것이다.As shown in FIG. 1, the reader 100, which is a movement trajectory measurement object in the present invention, may be preferably manufactured in a pen-like form, and the user may take notes using the reader 100 having a pen-like form. In the reader 100, the handwriting trajectory of the user may be measured.
리더기(100)가 사용자가 움직이는 리더기(100)의 이동 궤적을 측정할 수 있기 위해서는, 사용자가 리더기(100)를 이용하여 필기를 하는 경우에, 사용자는 각 위치별로 해당 위치정보를 나타내는 코드가 표시되어 있는 인쇄물(150) 상에서 필기를 하여야 한다.In order for the reader 100 to measure the movement trajectory of the reader 100 that the user moves, when the user writes using the reader 100, the user displays a code indicating the corresponding location information for each location. It should be written on the printed matter 150.
구체적으로, 리더기(100)는 필기가 시작되는 경우에 인쇄물(150) 상에서 필기가 시작되는 시작점(1)의 위치정보를 독취한다. 한편, 리더기(100)는 리더기(100)의 끝부분을 인쇄물(150)에 대고 필기하는 경우에 리더기(100)의 끝부분에 가해지는 압력을 실시간으로 측정한다.Specifically, when the writing starts, the reader 100 reads the position information of the starting point 1 at which writing starts on the printed matter 150. On the other hand, the reader 100 measures in real time the pressure applied to the end of the reader 100 when writing the end of the reader 100 to the printed matter 150.
필기를 시작하는 순간에, 리더기(100)의 끝부분에 가해지는 압력값이 나타나게 되고, 압력값이 나타나게 되는 시점에 리더기(100)는 인쇄물(150) 상에서의 위치정보를 독취하게 되며, 이 때의 위치정보가 시작점(1)의 위치정보로 저장된다.At the beginning of writing, the pressure value applied to the end of the reader 100 appears, and at the time when the pressure value appears, the reader 100 reads the position information on the printed matter 150. The location information of is stored as the location information of the starting point (1).
이후에 사용자가 인쇄물(150)에 리더기(100)의 끝부분을 대고 필기를 계속하게 되면, 리더기(100)의 끝부분에 가해지는 압력값은 계속 나타난 상태에서 리더기(100)는 인쇄물(150) 상에서 이동하게 된다. Afterwards, when the user continues writing on the end of the reader 100 on the printed matter 150, the pressure value applied to the end of the reader 100 continues to appear and the reader 100 is printed on the printed matter 150. Will move on.
즉, 압력값이 계속 나타난 상태에서 리더기(100)가 이동하는 동안, 리더기(100)는 리더기(100)의 이동에 따른 상대좌표 변화량을 측정하고, 시작점(1)의 위치정보 및 리더기(100)의 이동에 따라 측정된 상대좌표 변화량에 기초하여 리더기(100)는 리더기(100)의 이동 궤적정보를 추출하게 된다. That is, while the reader 100 moves while the pressure value continues to appear, the reader 100 measures the relative coordinate change according to the movement of the reader 100, and the position information of the starting point 1 and the reader 100. The reader 100 extracts movement trajectory information of the reader 100 based on the relative coordinate change amount measured according to the movement of.
한편, 리더기(100)의 끝부분에 가해지는 압력값이 나타나지 않게 되면, 이는 필기가 중단된 것을 의미하므로, 압력값이 나타나지 않게 된 시점에 리더기(100)는 인쇄물(150) 상에서의 위치정보를 독취하게 되며, 이 때의 위치정보를 종료점(2)의 위치정보로 저장하게 된다.On the other hand, if the pressure value applied to the end of the reader 100 does not appear, this means that writing has been stopped, the reader 100 at the time point that the pressure value does not appear, the reader 100 displays the position information on the printed matter 150. It reads, and stores the position information at this time as the position information of the end point (2).
즉, 시작점(1)의 위치정보, 리더기(100)의 이동에 따라 측정된 상대좌표 변화량, 및 종료점(2)의 위치정보를 통해 리더기(100)는 리더기(100)의 이동궤적을 정확하게 측정할 수 있게 된다.That is, the reader 100 accurately measures the movement trajectory of the reader 100 through the position information of the start point 1, the relative coordinate change amount measured according to the movement of the reader 100, and the position information of the end point 2. It becomes possible.
도 2는 본 발명에 따른 리더기의 이동 궤적 측정방법의 원리를 설명하는 절차 흐름도이다. 도 1 및 도 2를 참조하여, 본 발명에 따른 리더기(100)의 이동 궤적 측정방법의 원리를 설명하면, 리더기(100)는 리더기(100)의 끝부분에서 가해지는 압력값이 소정의 임계값(예를 들면, '0')을 초과하는지 여부를 판단한다(S210). Figure 2 is a flow chart illustrating the principle of the movement trajectory measurement method of the reader according to the present invention. Referring to Figures 1 and 2, when explaining the principle of the movement trajectory measurement method of the reader 100 according to the present invention, the reader 100 has a predetermined threshold value of the pressure value applied at the end of the reader 100; It is determined whether or not (eg, '0') is exceeded (S210).
소정의 임계값을 초과하는 것으로 판단된 경우에 리더기(100)는 그 시점에 인쇄물(150) 상에서 리더기(100)가 위치한 지점의 위치정보를 시작점(1)의 위치정보로써 독취하게 된다(S220). When it is determined that the predetermined threshold value is exceeded, the reader 100 reads the position information of the point where the reader 100 is located on the printed matter 150 as the position information of the starting point 1 at that time (S220). .
이후에 측정된 압력값이 임계값을 초과하는 상태에서, 리더기(100)가 인쇄물(150) 상에서 이동하는 경우에, 리더기(100)는 이동에 따른 상대좌표 변화량을 측정한다(S230). 여기서 상대좌표 변화량을 측정함에 있어서는, 일반적으로 사용되고 있는 광 마우스에서의 위치이동측정 방식을 이용하거나, 리더기(100)가 인쇄물(150) 상에서 획득한 영상의 모션 벡터(Motion Vector)를 이용함이 바람직할 것이다.After the measured pressure value exceeds the threshold value, when the reader 100 moves on the printed matter 150, the reader 100 measures the relative coordinate change according to the movement (S230). In measuring the relative coordinate variation, it is preferable to use a position movement measurement method in an optical mouse that is generally used, or to use a motion vector of an image acquired by the reader 100 on the printed matter 150. will be.
리더기(100)는, 상기 독취된 필기 시작점(1)의 위치정보로부터 상기 측정된 상대좌표 변화량에 기초하여 리더기(100)의 이동 궤적정보를 추출할 수 있게 된다(S240).The reader 100 may extract the movement trajectory information of the reader 100 based on the measured relative coordinate change amount from the position information of the read writing start point 1 (S240).
리더기(100)는 이와 같이 추출된 이동 궤적정보를 외부 모니터 또는 외부 프린터 등에 전송하여 출력함으로써, 사용자가 리더기(100)를 이용하여 필기한 내용을 표시할 수 있게 된다.The reader 100 transmits the extracted movement trajectory information to an external monitor or an external printer and outputs the same, thereby displaying the contents written by the user using the reader 100.
한편, 본 발명을 실시함에 있어서, 전술한 S230단계에서 리더기(100)의 이동에 따른 상대좌표 변화량을 측정하는 리더기(100)는 리더기(100)에 가해지는 압력값을 계속하여 함께 측정할 수도 있을 것이다. 이 경우에 리더기(100)는 상기 독취된 필기 시작점(1)의 위치정보로부터 상기 측정된 상대좌표 변화량 및 계속하여 측정된 압력값에 기초하여 리더기(100)의 이동 궤적정보를 추출할 수 있게 된다(S240).On the other hand, in the practice of the present invention, in step S230 described above, the reader 100 for measuring the relative coordinate change according to the movement of the reader 100 may continuously measure the pressure value applied to the reader 100 together. will be. In this case, the reader 100 may extract the movement trajectory information of the reader 100 based on the measured relative coordinate change amount and the continuously measured pressure value from the position information of the read writing start point 1. (S240).
이처럼, 압력값까지 고려하여 리더기(100)의 이동 궤적정보를 추출하는 경우에는 리더기(100)는 압력이 가해진 정도에 따라 필기된 문자 또는 기호의 굵기까지 반영한 이동 궤적정보를 획득할 수 있게 될 것이다. 이에 따라, 외부 모니터 또는 외부 프린터 등에 의해 사용자가 리더기(100)를 이용하여 필기한 내용이 표시되는 경우에 사용자에 의해 필기된 문자 또는 기호의 굵기까지 반영되어 표시될 수 있을 것이다.As such, when extracting the movement trajectory information of the reader 100 in consideration of the pressure value, the reader 100 may acquire the movement trajectory information reflecting the thickness of the written character or symbol according to the degree of pressure applied. . Accordingly, when the content written by the user using the reader 100 is displayed by an external monitor or an external printer, the thickness of the letter or symbol written by the user may be reflected and displayed.
한편, 본 발명을 실시함에 있어서는, 사용자가 필기가 끝나는 지점인 종료점(2)의 위치정보의 확인을 통해 보다 정확한 리더기(100)의 이동 궤적정보를 추출할 수 있게 될 것이다.On the other hand, in the practice of the present invention, the user will be able to extract more accurate movement trajectory information of the reader 100 by checking the position information of the end point (2) which is the end point of the writing.
즉, 리더기(100)는 리더기(100)의 끝부분에 가해지는 압력값이 소정의 임계값(예를 들면, '0') 이하인지 여부를 판단하고(S250), 압력값이 소정의 임계값 이하인 것으로 판단된 경우에 리더기(100)는 그 시점에 인쇄물(150) 상에서 리더기(100)가 위치한 지점의 위치정보를 종료점(2)의 위치정보로써 독취하게 된다(S260). That is, the reader 100 determines whether the pressure value applied to the end of the reader 100 is equal to or less than a predetermined threshold value (for example, '0') (S250), and the pressure value is a predetermined threshold value. In the case where it is determined to be the following, the reader 100 reads the position information of the point where the reader 100 is located on the printed matter 150 as the position information of the end point 2 at the point in time (S260).
아울러, 본 발명을 실시함에 있어서는 리더기(100)는 종료점(2)의 위치정보를 독취할 뿐만 아니라, 도 3에서와 같이 리더기(100)가 이동하는 동안에 소정의 시간 주기에 따라 주기적으로 리더기(100)의 인쇄물(150) 상에서의 위치정보를 독취하고, 독취된 리더기(100)의 위치정보들을 전술한, S240 단계에서 추출한 리더기(100)의 이동 궤적정보를 보정하는데 사용할 수 있을 것이다.In addition, in the practice of the present invention, the reader 100 not only reads the position information of the end point 2, but also periodically in accordance with a predetermined time period while the reader 100 moves as shown in FIG. The position information on the printed matter 150 may be read, and the position information of the read reader 100 may be used to correct the movement trajectory information of the reader 100 extracted in step S240.
한편, 리더기(100)는 필기가 마무리되는 지점인 종료점(2)의 위치정보를 독취한 후, 이를 기초로 전술한 S240 단계어서 추출한 리더기(100)의 이동 궤적정보를 보정함으로써, 리더기(100)의 이동 궤적정보를 보다 정확하게 측정할 수 있게 된다.On the other hand, the reader 100 reads the position information of the end point 2 which is the point where the writing is finished, and then corrects the movement trajectory information of the reader 100 extracted in step S240 based on this, thereby the reader 100 The movement trajectory information of can be measured more accurately.
아울러, 리더기(100)는 종료점(2)의 위치정보를 독취한 경우에, 이를 필기의 종료로써 인식하고 종료점(2)의 위치정보가 독취된 시점까지 측정된 이동 궤적정보를 이후의 동 궤적정보와 분리하게 된다(S270).In addition, when the reader 100 reads the position information of the end point 2, the reader 100 recognizes this as the end of writing and moves the movement trajectory information measured up to the point in time when the position information of the end point 2 is read. It is separated from (S270).
이와 같이 분리된 리더기(100)의 이동 궤적정보는 리더기(100)에 전송됨과 동시에 리더기(100)의 이동궤적을 관리하는 서버, 외부 모니터, 또는 외부 프린터 등으로 전송된다(S280). The movement trajectory information of the reader 100 separated as described above is transmitted to the reader 100 and transmitted to a server, an external monitor, or an external printer that manages the movement trajectory of the reader 100 (S280).
한편, 본 발명에 따른 리더기(100)에는 전술한 S210 단계 내지 S270 단계의 각 단계가 실행되도록 하는 프로그램이 설치되어 있을 것이다. On the other hand, the reader 100 according to the present invention will be installed a program to execute each step of the above-described step S210 to step S270.
이상에서는 본 발명의 바람직한 실시예 및 응용예에 대하여 도시하고 설명하였지만, 본 발명은 상술한 특정의 실시예 및 응용예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 기술분야에서 통상의 지식을 가진자에 의해 다양한 변형실시가 가능한 것은 물론이고, 이러한 변형실시들은 본 발명의 기술적 사상이나 전망으로부터 개별적으로 이해되어져서는 안될 것이다.While the above has been shown and described with respect to preferred embodiments and applications of the present invention, the present invention is not limited to the specific embodiments and applications described above, the invention without departing from the gist of the invention claimed in the claims Various modifications can be made by those skilled in the art, and these modifications should not be individually understood from the technical spirit or the prospect of the present invention.
본 발명은 전자펜과 관련된 전자기기 분야에서 이용될 수 있다.The present invention can be used in the field of electronic devices associated with the electronic pen.

Claims (5)

  1. 리더기의 이동에 따른 궤적을 추적하는 방법에 있어서,In the method for tracking the trajectory according to the movement of the reader,
    상기 리더기가, 각 위치별로 해당 위치정보를 나타내는 코드가 표시되어 있는 인쇄물 상에서 시작점의 위치정보를 독취하는 단계;Reading, by the reader, the position information of the starting point on the printed matter on which the code indicating the position information is displayed for each position;
    상기 리더기가, 상기 리더기의 이동에 따른 상대좌표 변화량을 측정하는 단계; 및Measuring, by the reader, an amount of change in relative coordinates according to the movement of the reader; And
    상기 리더기가, 상기 시작점의 위치정보 및 상기 상대좌표 변화량에 기초하여 상기 리더기의 이동 궤적정보를 추출하는 단계;Extracting, by the reader, movement trajectory information of the reader based on the position information of the starting point and the relative coordinate change amount;
    를 포함하는 리더기의 이동 궤적 측정방법.Moving trajectory measurement method of the reader comprising a.
  2. 리더기의 이동에 따른 궤적을 추적하는 방법에 있어서,In the method for tracking the trajectory according to the movement of the reader,
    상기 리더기가, 각 위치별로 해당 위치정보를 나타내는 코드가 인쇄되어 있는 인쇄물 상에서 시작점의 위치정보를 독취하는 단계; Reading, by the reader, the position information of the starting point on the printed matter on which a code indicating the position information is printed for each position;
    상기 리더기가, 상기 리더기의 이동에 따른 상대좌표 변화량과 상기 리더기에 가해지는 사용자에 의한 압력값을 측정하는 단계; 및Measuring, by the reader, an amount of change in relative coordinates according to movement of the reader and a pressure value by a user applied to the reader; And
    상기 리더기가, 상기 시작점의 위치정보, 상기 상대좌표 변화량, 및 상기 압력값에 기초하여 상기 리더기의 이동 궤적정보를 추출하는 단계Extracting, by the reader, movement trajectory information of the reader based on the position information of the starting point, the relative coordinate change amount, and the pressure value;
    를 포함하는 리더기의 이동 궤적 측정방법.Moving trajectory measurement method of a reader comprising a.
  3. 제1항 또는 제2항에 있어서,The method according to claim 1 or 2,
    상기 리더기의 이동이 종료된 경우에,When the movement of the reader is finished,
    상기 리더기가, 상기 인쇄물 상에서 이동이 종료된 종료점의 위치정보를 독취하는 단계를 더 포함하는 리더기의 이동 궤적 측정방법.The reader further comprises the step of reading the position information of the end point the movement is finished on the printed matter.
  4. 제1항 또는 제2항에 있어서,The method according to claim 1 or 2,
    상기 리더기의 이동 궤적정보를 추출하는 단계는,Extracting the movement trajectory information of the reader,
    상기 리더기의 상기 인쇄물 상에서의 위치 정보를 소정의 시간 주기별로 독취하는 단계를 포함하는 리더기의 이동 궤적 측정방법.And reading the position information on the printed matter of the reader for each predetermined time period.
  5. 제1항 또는 제2항에서의 상기 각 단계가 실행되는 프로그램이 설치된 리더기.The reader in which the program which executes each said step of Claim 1 or 2 is installed.
PCT/KR2010/005405 2009-08-21 2010-08-17 Method for measuring movement path of a reader, and reader adopting same WO2011021823A2 (en)

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KR1020090077389A KR101019143B1 (en) 2009-08-21 2009-08-21 Moving trace measuring method of reader and reader thereof
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