WO2016076519A1 - Numériseur de vol stationnaire tridimensionnel - Google Patents

Numériseur de vol stationnaire tridimensionnel Download PDF

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Publication number
WO2016076519A1
WO2016076519A1 PCT/KR2015/009022 KR2015009022W WO2016076519A1 WO 2016076519 A1 WO2016076519 A1 WO 2016076519A1 KR 2015009022 W KR2015009022 W KR 2015009022W WO 2016076519 A1 WO2016076519 A1 WO 2016076519A1
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WO
WIPO (PCT)
Prior art keywords
magnetic field
digitizer
pen
touch screen
alloy
Prior art date
Application number
PCT/KR2015/009022
Other languages
English (en)
Korean (ko)
Inventor
허성환
김홍채
이광구
Original Assignee
주식회사 트레이스
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 트레이스 filed Critical 주식회사 트레이스
Publication of WO2016076519A1 publication Critical patent/WO2016076519A1/fr

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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
    • 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

Definitions

  • the present invention relates to a digitizer, and more particularly, to a three-dimensional hovering digitizer for controlling image display by sensing three-axis magnetic field information according to the movement of the magnetic force pen.
  • Digitizer is a type of input device used in display devices, and includes an electrode structure in the form of a matrix, and when a user moves a pen or a cursor, the digitizer reads the X and Y coordinates on the matrix and transmits a position signal of the input device. It is a device that performs the corresponding command.
  • the digitizer is also widely called a touch panel or tablet, and two substrates coated with a transparent electrode layer are bonded to face each other with a Dot Spacer interposed therebetween to detect a position when the upper substrate is touched by a finger or a pen.
  • a resistive film method to which a signal is applied an ultrasonic reflection method using a piezoelectric element using a transducer for surface wave generation, an electromagnetic resonance method using a coil that resonancely absorbs electromagnetic waves on a pattern layer generating electromagnetic waves, and an electrostatic discharge in a human body It is implemented according to a capacitive method that detects a position by recognizing a portion where the amount of current is changed by using the capacitance.
  • the capacitive method according to the prior art is recognized only within an air gap of about 10 mm from the surface of the touch screen, and the Electro Magnetic Resonance (EMR) method according to the prior art uses a specific frequency at which a coil embedded in the pen comes from the terminal sensor.
  • EMR Electro Magnetic Resonance
  • An object of the present invention is to provide a three-dimensional hovering digitizer capable of detecting magnetic field information generated by a magnetic force pen moving apart from an upper portion of a display screen of a touch screen and thus moving or rotating an image displayed on the screen. There is a purpose.
  • the three-dimensional hovering digitizer is a magnetic pen that moves away from the top of the touch screen and generates a magnetic field around the sensor, and a sensor disposed on the outer surface of the touch screen to detect three-axis magnetic field information according to the movement of the magnetic pen. And a control unit which receives the 3-axis magnetic field information sensed by the sensor and controls the shape display of the 3D image displayed on the touch screen.
  • Magnetic pen according to the present invention includes a magnetic material disposed in the housing, the magnetic material is at least one of neodymium alloy, iron alloy, samarium alloy, cobalt alloy, platinum alloy, manganese alloy, bismuth alloy, barium alloy and nickel alloy It features.
  • Sensors according to the present invention are disposed on the outer surface of the touch screen, characterized in that for detecting the three-axis magnetic field information that is the direction and size of the magnetic field generated by the movement of the magnetic pen.
  • control unit for controlling the image shape display by at least one of the movement and rotation of the image displayed on the touch screen, according to the input three-axis magnetic field information.
  • control unit sorts the three-axis magnetic field information detected by the plurality of sensors in the order of the magnitude of the magnetic field vector, extracts the information of the upper preset number of the three-axis magnetic field information of each of the aligned sensors, extracted
  • the display of the shape of the image is controlled according to the result of calculating the three-axis magnetic field information.
  • the three-dimensional hovering digitizer includes a magnetic force sensor disposed on the outer surface of the touch screen, and detects a change in magnetic flux density due to the movement of the magnetic force pen including the magnetic material therefrom, and for a predetermined distance (for example, 10 cm). Hovering control is possible.
  • FIG. 1 is a perspective view showing a three-dimensional hover digitizer according to an embodiment of the present invention.
  • FIG. 2 is a top view illustrating a magnetic field information acquisition process of a three-dimensional hover digitizer according to an embodiment of the present invention.
  • FIG 3 is a perspective view showing a magnetic field information acquisition process of the three-dimensional hover digitizer according to an embodiment of the present invention.
  • FIG. 4 is an exemplary view illustrating shape display control of a 3D image of a 3D hover digitizer according to an exemplary embodiment of the present invention.
  • FIG. 1 is a perspective view showing a three-dimensional hover digitizer 100 according to an embodiment of the present invention
  • Figure 2 is a top view showing a magnetic field information acquisition process of the three-dimensional hover digitizer 100 according to an embodiment of the present invention
  • 3 is a perspective view showing a magnetic field information acquisition process of the three-dimensional hover digitizer 100 according to an embodiment of the present invention.
  • the three-dimensional hovering digitizer 100 is a magnetic force pen 110 and a magnetic force disposed on the outer surface of the touch screen 104 to move away from the top of the touch screen 104 and generate a magnetic field to the periphery.
  • the sensor 106 that senses three-axis magnetic field information according to the movement of the pen 110 and the three-axis magnetic field information sensed by the sensor 106 are input to control the display of the shape of the 3D image displayed on the touch screen 104.
  • the controller 108 is configured to display an image signal, measure a magnetic force distribution according to the movement of the magnetic pen, and check the position of the magnetic pen.
  • 3D hovering digitizer 100 includes a touch screen 104 for displaying an image on the front of the case 102 forming a body.
  • the touch screen 104 includes a touch panel that senses a touch signal, a circuit board that controls input / output of a signal, and a cover window that protects the touch panel.
  • a user may write or input a command while touching the touch screen 104 with a finger, a stylus pen, a magnetic pen, or the like.
  • the magnetic force pen 110 including the magnetic body disposed inside the housing generates a three-dimensional magnetic force distribution according to its movement.
  • the magnetic force pen 110 is freely spaced apart from the upper portion of the front surface of the touch screen 104, and the three-dimensional magnetic field distribution generated at this time is detected by the sensor 106.
  • the sensor 100 measures the change in magnetic flux density from the magnetic force pen 110, which includes a magnetic material, and the change in magnetic flux density is a sensor facing each other in the vertical, horizontal, and diagonal directions. (E.g., 106a and 106b).
  • the control unit 108 compares the changes in the magnetic flux density collected by each of the sensors 106a, 106b, 106c, and 106d with each other, thereby displacing the magnetic force pen 110 including the magnetic material. And by calculating the position coordinates by analyzing the trajectory, and by transmitting the command signal corresponding to the position information of the magnetic force pen 110 corresponding to the time before and after the movement, the display of the shape of the 3D image displayed on the touch screen 104 Control (move or rotate).
  • the precision is closely related to the resolution of each sensor 106a, 106b, 106c, 106d
  • the resolution of the sensor 106 is a magnetic material included in the magnetic pen 110 Is related to the magnetic flux density. Therefore, the change of the magnetic flux density according to the movement of the magnetic force pen 106 including the magnetic material is calculated in consideration of the resolution of the sensor and the trajectory correction algorithm.
  • Magnetic force pen 110 includes a magnetic material disposed in the housing, the magnetic material is neodymium alloy, iron alloy, samarium alloy, cobalt alloy, platinum alloy, manganese alloy, bismuth alloy, barium alloy and nickel alloy At least one of them is preferable.
  • the magnetic force pen 110 may be molded into a cylindrical, conical, truncated, tubular, spherical, hemispherical, square, and the like.
  • a plurality of sensors 106 is disposed on the outer surface of the touch screen 104 to detect three-axis magnetic field information which is the direction and size of the magnetic field generated by the movement of the magnetic force pen 110.
  • the case 102 of the three-dimensional hovering digitizer 100 is provided with a plurality of sensors 106, the sensor 106 is disposed on the upper or lower surface of the cover window, the circuit board, the touch panel. It is also possible. In addition, the sensor 106 may be disposed in a peripheral portion (bezel area) in which an image is not displayed on the touch screen 104, but in order to accurately detect the position of the magnetic force pen 110, the center portion (the bezel of the bezel) is displayed. It is also possible to install in the inner zone.
  • the sensor 106 uses the Hall effect, the search coil induction effect, the flux gate induction effect, the magnetoresistance effect, according to the magnetic force pen 110 is moved away from the top of the touch screen 104 The magnetic force in the 3-axis direction of the spatial Cartesian coordinate is measured.
  • the magnetic force pen 110 generates a magnetic field, which is a vector, and knowing the size of the direction component of the magnetic field vector, it is possible to calculate the direction and magnitude of the entire magnetic field. Aroma component and size value are measured.
  • the direction and size of the magnetic field generated by the magnetic force pen can be obtained with only one magnetic force sensor, so that it is possible to check where the magnetic force pen is located on the touch screen.
  • a plurality of magnetic force sensors 106a, 106b, 106c, and 106d are used.
  • the digitizer 110 applied to the rectangular touch screen 104 of a conventional mobile terminal the magnetic force sensor 106a disposed around four corners of the touch screen 104, for example. Will be described on the assumption that.
  • the first magnetic force sensor 106a, the second magnetic force sensor 106b, the third magnetic force sensor 106c, and the fourth magnetic force sensor 106d on the upper left side of the rectangular touch screen 104. ) Is included.
  • each magnetic force sensor senses a magnetic field generated in the magnetic pen 110, the first magnetic force sensor 106a, the second magnetic force sensor 106b, the third magnetic force sensor 106c and the fourth Each vector value detected by the magnetic force sensor 106d , , And It is called.
  • Each vector value has components in the X, Y, and Z axes, and the magnitude value of the vector is obtained by vector computing the magnitudes of these three axes.
  • the value measured at the sensor 106 is the X, Y, Z direction vector of the magnetic field at that point, which becomes a function of the x, y, z coordinates and the slope of the magnetic pen.
  • the four magnetic force sensors 106a, 106b, 106c, and 106d theoretically generate respective errors, and four measurement values do not coincide. Accordingly, in the embodiment of the present invention, some of the values measured by the magnetic force sensor 106 are used to confirm the actual position of the magnetic force pen 110 to eliminate this error.
  • the control unit 108 sorts three-axis magnetic field information sensed by the plurality of sensors 106 in the order of the magnitude of the magnetic field vector, and the three of each of the aligned sensors 106a, 106b, 106c, and 106d. Information of the upper preset number (eg, two) of the axial magnetic field information is extracted, and the shape display of the image is controlled according to the result of calculating the extracted three-axis magnetic field information.
  • the upper preset number eg, two
  • the first to fourth magnetic force sensors (106a, 106b, 106c, 106d) according to an embodiment of the present invention detects the three-axis magnetic field information generated by the movement of the magnetic force pen 110 in a fixed position
  • the controller 118 collects three-axis magnetic field information sensed by the sensors 106a, 106b, 106c, and 106d, and arranges them in the order of the magnitude of the magnetic field vector.
  • the controller 108 extracts information of the upper predetermined number (for example, two) of the three-axis magnetic field information of each of the aligned sensors 106a, 106b, 106c, and 106d, and then applies four magnetic force sensors 106a and 106b. , 106c and 106d, it is possible to obtain the movement information of the magnetic force pen 110 with high reliability.
  • the three-axis magnetic field information of the magnetic force pen 110 sensed by the first to fourth magnetic force sensors 106a, 106b, 106c, 106d and the magnetic force pen 110 and Expressed in relation to the distance between the first to fourth magnetic force sensors 106a, 106b, 106c, 106d, arithmetic measurement of the distance instructed to each magnetic force sensor to obtain the spatial position of the magnetic force pen 110 in the lower error range
  • the controller 108 transmits a predetermined command signal for each result according to the result of calculating the extracted three-axis magnetic field information, thereby moving an image displayed on the touch screen 104 of the 3D hovering digitizer 100, It rotates to control the shape display.
  • FIG 4 is an exemplary view illustrating shape display control of a 3D image of the 3D hover digitizer 100 according to an exemplary embodiment of the present invention.
  • a three-dimensional image is displayed on the touch screen, and the magnetic pen 110 spaced apart from the upper portion of the touch screen by a predetermined distance (for example, within a range of 10 cm) moves to generate a magnetic field.
  • a predetermined distance for example, within a range of 10 cm
  • the control unit receives the three-axis magnetic field information according to the movement of the magnetic force pen 110 from the sensor, and transmits a movement or rotation command signal to the shape display of the 3D image displayed on the touch screen, It will move or rotate the 3D image.
  • the EMR method or the capacitance method according to the prior art overcomes the limitation of having an air gap of about 10 mm, and implements three-dimensional hovering using three-dimensional magnetic field information, By moving or rotating the object displayed on the touch screen according to the user's intention, there is an effect of increasing user convenience.

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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)
  • User Interface Of Digital Computer (AREA)

Abstract

La présente invention concerne un numériseur et, plus spécifiquement, un numériseur de vol stationnaire 3D pour commander un affichage de forme d'image en détectant des informations de champ magnétique 3 axes en fonction du mouvement d'un stylet à force magnétique. Le numériseur de vol stationnaire tridimensionnel selon un aspect de la présente invention comprend: un stylet à force magnétique qui se déplace en étant espacé de la partie supérieure d'un écran tactile et génère un champ magnétique autour du stylet; un capteur disposé sur le côté extérieur de l'écran tactile de manière à détecter des informations de champ magnétique 3 axes en fonction du mouvement du stylet à force magnétique; et une unité de commande pour recevoir les informations de champ magnétique 3 axes détectées par le capteur de manière à commander un affichage de forme d'une image 3D affichée sur l'écran tactile.
PCT/KR2015/009022 2014-11-12 2015-08-28 Numériseur de vol stationnaire tridimensionnel WO2016076519A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020140157112A KR20160056609A (ko) 2014-11-12 2014-11-12 3차원 호버링 디지타이저
KR10-2014-0157112 2014-11-12

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WO2016076519A1 true WO2016076519A1 (fr) 2016-05-19

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PCT/KR2015/009022 WO2016076519A1 (fr) 2014-11-12 2015-08-28 Numériseur de vol stationnaire tridimensionnel

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WO (1) WO2016076519A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080001283A1 (en) * 2006-06-29 2008-01-03 Ha Na Lee Stack package with vertically formed heat sink
WO2012064128A2 (fr) * 2010-11-10 2012-05-18 Chae Sang-Woo Appareil à écran tactile et procédé permettant de commander cet appareil
WO2014014316A1 (fr) * 2012-07-19 2014-01-23 주식회사 멜파스 Procédé et dispositif de détection de toucher
KR20140070150A (ko) * 2012-11-30 2014-06-10 삼성전자주식회사 호버링 입력 효과를 제공하는 전자 장치 및 그 제어 방법
KR20140105985A (ko) * 2013-02-25 2014-09-03 삼성전자주식회사 사용자 인터페이스 제공 방법 및 장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080001283A1 (en) * 2006-06-29 2008-01-03 Ha Na Lee Stack package with vertically formed heat sink
WO2012064128A2 (fr) * 2010-11-10 2012-05-18 Chae Sang-Woo Appareil à écran tactile et procédé permettant de commander cet appareil
WO2014014316A1 (fr) * 2012-07-19 2014-01-23 주식회사 멜파스 Procédé et dispositif de détection de toucher
KR20140070150A (ko) * 2012-11-30 2014-06-10 삼성전자주식회사 호버링 입력 효과를 제공하는 전자 장치 및 그 제어 방법
KR20140105985A (ko) * 2013-02-25 2014-09-03 삼성전자주식회사 사용자 인터페이스 제공 방법 및 장치

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