KR20130136321A - Touch pen including optical touch module for touch screen - Google Patents

Touch pen including optical touch module for touch screen Download PDF

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Publication number
KR20130136321A
KR20130136321A KR1020120060032A KR20120060032A KR20130136321A KR 20130136321 A KR20130136321 A KR 20130136321A KR 1020120060032 A KR1020120060032 A KR 1020120060032A KR 20120060032 A KR20120060032 A KR 20120060032A KR 20130136321 A KR20130136321 A KR 20130136321A
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KR
South Korea
Prior art keywords
touch
touch screen
sensor
pen
information
Prior art date
Application number
KR1020120060032A
Other languages
Korean (ko)
Inventor
이현오
Original Assignee
(주)더게이트테크놀러지스
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.)
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Publication date
Application filed by (주)더게이트테크놀러지스 filed Critical (주)더게이트테크놀러지스
Priority to KR1020120060032A priority Critical patent/KR20130136321A/en
Publication of KR20130136321A publication Critical patent/KR20130136321A/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
    • G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
    • 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
    • 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
    • G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
    • 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
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/038—Indexing scheme relating to G06F3/038
    • G06F2203/0383—Remote input, i.e. interface arrangements in which the signals generated by a pointing device are transmitted to a PC at a remote location, e.g. to a PC in a LAN
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/038—Indexing scheme relating to G06F3/038
    • G06F2203/0384—Wireless input, i.e. hardware and software details of wireless interface arrangements for pointing devices

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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

The present invention relates to a touch pen for a touch screen having an optical touch module, comprising a LED (LED) touch recognition unit for emitting a straight light. Is composed of any one of the camera sensor or infrared sensor, when the touch recognition unit is in contact with the touch screen is provided in the camera sensor or infrared sensor to stop the operation of the LED to emit infrared light, upper scroll, lower Tactile input button unit having a button for requesting to perform the same function as the function button of the mouse, such as scrolling and selection function, a pressure sensor for sensing the pressure applied to the touch recognition unit in contact with the touch screen, the touch pen Motion sensor for detecting the movement, tilt and position of the vibration, the vibration unit for generating vibration when writing or drawing on the touch screen, motion information, tilt and position by detecting the motion, tilt and position detected by the motion sensor And process location information and respond to the pressure sensed by the pressure sensor. The control unit includes a control unit for processing the intensity information to process the touch function of the touch pen and a communication module that communicates the intensity information, the movement information, the tilt information, and the position information to the touch screen side by wire or wireless communication under the control of the control unit. It provides a touch pen for the touch screen.

Description

TOUCH PEN INCLUDING OPTICAL TOUCH MODULE FOR TOUCH SCREEN}

The present invention relates to a touch screen touch pen, and more particularly, to a touch screen touch pen having an optical touch module.

A touch panel, commonly called a touch screen or a touch display, constitutes an interface between an information communication device and a user using various displays, and is generally attached to a display device composed of a touch module to touch a touch object touched by a finger or a pen. The display device configured in hardware in the touch screen unit is one of a user interface (UI) for detecting a touch position by changing electrical characteristics, and is an input device capable of interfacing with a device.

The touch screen is an input device that can be easily used by both men and women by interactively and intuitively manipulating the computer by simply touching the buttons on the display with their fingers. Currently, mobile handheld terminals, PDAs, LCDs, CRTs, banks and government offices It is applied in many fields such as medical equipment, tourism, guidance of major institutions, and traffic guidance.

There are capacitive methods, infrared matrix methods, camera methods, and resistive methods for configuring touch screens, and all of these touch screens require interactive devices. Among them, the camera method finds the location information of the object by checking the object touching the screen while the camera (infrared LED is mounted and including image sensor) mounted on the edge of the screen is observed. In general, two or more cameras are used, and the location information of the object is determined by combining two location angle information.

To this end, in most cases, the touch pen is simply equipped with an IR, or the camera and the IR are mounted together with a reflective sheet attached to the frame, or an IR diffusion bar is used. A touch pen capable of drawing letters or pictures on the panel has a problem that spillage occurs in letters of writing, as shown in FIG. 1 unless the user draws a line constantly. Because of this, there was a difficult problem in accurately displaying the text.

In addition, the problem with the conventional touch pen is that the size of the screen can not be used in the medium and large size because it is connected to the wire by using a USB cable can be used only in a small size.

In addition, there is a problem that it is difficult to realize the effect of exchanging with the user even if the function is executed simply by using a pen to touch.

An object of the present invention is to provide a touch screen touch pen having an optical touch module.

Touch pen for the touch screen having an optical touch module according to the object of the present invention described above is made of LED (LED) touch recognition unit for emitting a straight light. Is composed of any one of the camera sensor or infrared sensor, when the touch recognition unit is in contact with the touch screen is provided in the camera sensor or infrared sensor to stop the operation of the LED to emit infrared light, upper scroll, lower Tactile input button unit having a button for requesting to perform the same function as the function button of the mouse, such as scrolling and selection function, a pressure sensor for sensing the pressure applied to the touch recognition unit in contact with the touch screen, the touch pen Motion sensor for detecting the movement, tilt and position of the vibration, the vibration unit for generating vibration when writing or drawing on the touch screen, motion information, tilt and position by detecting the motion, tilt and position detected by the motion sensor And process location information and respond to the pressure sensed by the pressure sensor. The control unit includes a control unit for processing the intensity information to process the touch function of the touch pen and a communication module that communicates the intensity information, the movement information, the tilt information, and the position information to the touch screen side by wire or wireless communication under the control of the control unit. It can be configured to.

The touch recognition unit may include a plurality of LEDs disposed around a nib made of LEDs, and a plurality of diffusion plates for diffusing light emitted from the nibs and the plurality of LEDs.

The controller may correct the touch coordinates (positions) of the touch pen when the tilt of the touch pen sensed by the motion sensor is a specific angle at which the touch coordinates cannot be accurately recognized.

The communication module may be any one of USB, I2C, analog communication, or serial communication, and the wireless communication method may be one of Zigbee, Bluetooth, WLAN, or infrared communication (IrDA). .

According to the touch screen touch pen having the optical communication module as described above, the writing or drawing may be wired or wirelessly due to an operation according to the configuration of a pen, a mouse, or other various types of user interface devices (devices). It has a spill prevention effect that can be executed naturally from the communication module function, and a control button that executes the haptic function from the tactile input button (mouse button function), and the pen tip is pressed. You can see the effect of adjusting the font thickness as much as the intensity of the drug.

The resulting effect is suitable for educational use because it can interact with each other, improve efficiency, and increase concentration and user experience. When used as a pen to support the spill-proof pressure-sensitive texture and the like can be used well by the user, due to this effect has the advantage of increasing the effect of the same price ratio and usability of the touch screen from the consumer perspective.

In addition, the present invention provides a haptic function that prevents spilling of writing and adjusts the thickness (thickness) of the text displayed on the screen and the thickness of the line of the drawn picture according to the degree of the touch pen. User Interface It is a utility function that uses the tactile input button located in front of the device as a mouse button to inform the user that touch is being used.

1 is an exemplary view for explaining a spill phenomenon of a conventional touch pen.
2 is a block diagram showing a touch pen system according to an embodiment of the present invention.
3 is a diagram illustrating an internal configuration of a touch pen according to an embodiment of the present invention.
4 is an external configuration diagram of a touch pen according to an embodiment of the present invention.
5 is an exemplary view for explaining the configuration of the touch recognition unit and the pressure sensor provided in the touch pen according to an embodiment of the present invention.
6 is an exemplary diagram for describing an operation waveform of a tactile input button unit included in a touch pen according to an exemplary embodiment of the present invention.

While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and will herein be described in detail. It should be understood, however, that the invention is not intended to be limited to the particular embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention. Like reference numerals are used for like elements in describing each drawing.

The terms first, second, A, B, etc. may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component. And / or < / RTI > includes any combination of a plurality of related listed items or any of a plurality of related listed items.

When a component is referred to as being "connected" or "connected" to another component, it may be directly connected to or connected to that other component, but it may be understood that other components may be present in between. Should be. On the other hand, when an element is referred to as being "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, the terms "comprise" or "have" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, components, or a combination thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the accompanying drawings.

2 is a block diagram showing a touch pen system according to an embodiment of the present invention.

As shown in FIG. 2, the touch pen system 100 using the touch screen touch pen including the optical touch module according to the present invention includes a touch pen 10, a computer 20, and a touch screen device 30. ) And the like. In this case, the touch screen device 30 is not provided with an infrared LED that emits infrared light in the camera sensor (or image sensor), or the operation of the LEDs provided in the IR bar and the camera sensor should be turned off.

When the touch pen 10 touches the screen of the touch screen device 30, the touch pen 10 measures the intensity by the pressure according to the touch, and moves the touch recognition unit (aka pen tip) together with the intensity information on the measured intensity. It recognizes and transmits the motion information to the touch screen device 30 based on a wired or wireless communication method.

The computer 20 supplies the operating power of the camera sensor to the camera sensor (or image sensor) (not shown) of the touch screen device 30 via the power cable 40.

The touch screen device 30 is a touch screen screen and a camera sensor mounted on the top of the touch screen screen to perform a touch screen function. The camera sensor is operated by receiving operating power from the computer 20 to operate the touch pen 10. Recognize the touched position using. In this case, the touch screen device 30 obtains a touched position of the touch pen 10 through a camera sensor through an infrared led provided in the touch recognition unit of the touch pen 10. Since a technique of extracting a touch point of the touch screen using a camera sensor is generally known, a detailed description thereof will be omitted.

3 is a diagram illustrating an internal configuration of a touch pen according to an embodiment of the present invention.

4 is an external configuration diagram of a touch pen according to an embodiment of the present invention.

3 and 4, the touch pen 10 according to the present invention includes a pressure sensor 11, a motion sensor 13, a tactile input button unit 15, a controller 17, It is comprised including the communication module 19, the vibration part 21, etc. In this case, the touch recognition unit (a) located at the front of the touch pen 10 is provided with LEDs. A detailed description of the touch recognition unit (a) will be described below.

5 is an exemplary view for explaining the configuration of the touch recognition unit and the pressure sensor provided in the touch pen according to an embodiment of the present invention.

First, the pressure sensor 11 detects the pressure applied to the touch recognition unit a which contacts the screen of the touch screen device 30. This enables the font thickness to be adjusted as much as the strength of the touch recognition unit (a) is pressed to implement a realistic writing feeling, and through the anti-shedding function it is possible to express letters or pictures as the user intended.

That is, the user draws letters or pictures to be displayed on the screen 30 using the touch pen 10. If you want to express the thickness of the line (line) in a thick, apply a certain pressure or more to the touch recognition unit (a) in contact with the screen. However, if the thickness of the line is to be expressed thinly, a pressure below a predetermined value is applied to the touch recognition unit (a) in contact with the screen. In this case, as shown in FIG. 5, the pressure sensor 11 may be positioned in the direction in which the force of the touch recognition unit a is applied to detect the pressure applied from the touch recognition unit a.

Motion sensor 13 is composed of a tilt sensor and a motion sensor, using the touch pen 10 on the touch screen, while the user tilts the touch pen 10 while writing, drawing, or writing the coordinates, the coordinates change. The tilt is detected to compensate for coordinate error. In detail, the motion sensor 13 detects the degree of inclination by touching the touch screen (the first touched point) and tilting the touch pen 10 by inclining the touch pen by mistake. This is transmitted to the touch screen device 30 by the communication module 19 to be described later by a wireless method, and corrects the correct coordinate point by correcting the error by the misaligned coordinate point from the first touched coordinate point.

This is straight because of the characteristics of the led provided in the touch recognition unit (a) because when using the touch pen 10 tilted, it is not possible to obtain accurate touch information. This is because when the user performs a touch using the touch pen on the touch screen, the user can tilt the side or side of the touch pen instead of standing the pen consistently at 90 degrees. In this case, the light of the led affects the two camera sensors. do. Accordingly, the touch screen device 30 may correct the error of the touch coordinate point through the tilt information acquired by the motion sensor.

6 is an exemplary diagram for describing an operation waveform of a tactile input button unit included in a touch pen according to an exemplary embodiment of the present invention.

The tactile input button unit 15 is provided as a button for requesting the same operation as that of a normal mouse. When a user's tactile sense is detected, three mouse buttons (right button, wheel, left button) are detected as a function of the corresponding button. Ask for a feature.

The controller 17 controls the overall operation to perform the operation of the touch pen 10 of the overall haptic function. Accordingly, the controller 17 may display letters or pictures on the touch screen by the operation of the touch pen 10. In addition, the controller 17 wirelessly approaches the touch screen device 30 so as to differentiate the thickness of the lines of letters or pictures according to the intensity information corresponding to the pressure detected by the pressure sensor 11 and display them on the touch screen. Control to transmit. In addition, the control unit 17 operates the vibration function so that the user can feel it when the tactile input button unit 15 operates. In addition, the controller 17 controls to transmit the tilt information of the touch pen 10 detected by the motion sensor 13 to the touch screen device 30 by a wired or wireless method.

The communication module 19 transmits the tilt information and the intensity information to the touch screen device 30 based on a wired or wireless communication method under the control of the controller 17.

The vibrator 21 is provided for the haptic function, and when an operation of the tactile input button unit 15 occurs under the control of the controller 17, the vibrator operates so that the user can feel the vibration.

In addition, as shown in the external structure of the touch pen 10 through FIG. 4, two small lights are provided, one of which is being vibrated to the user by vibrating an externally located vibration LED blinking every time the vibration is generated. Tells. The other one is to inform the power state of the touch pen 10, the light is still on in use, but blinks when the power is insufficient.

Next, the touch recognition unit (a) will be described in detail.

As a configuration used using a diffusion plate, the outside is surrounded by a polycarbonate sheet, and the internal structure is a touch recognition unit in which two or three small LEDs are disposed around the nib and the diffusion plate is positioned.

On the other hand, as another embodiment, it has a configuration of the touch recognition unit by removing two or three small leds provided in the above-described touch recognition unit, and arranged two diffuser plates in front of the pen nib. The reason for using the diffusion plate is to give the effect of scattering light by using the characteristics of the LED that shoots light in direct sunlight.

As described above, two forms may exist by the method using the diffusion plate.

On the other hand, the touch recognition unit of another embodiment is configured using a light guide plate, the internal structure can be seen using the effect of using a plurality of leds using a circular light guide plate, the light guide plate of the circular shape when the light from the pen tip to the light guide plate Spread the light In the circular light guide plate, the tip contacting the nib is preferably formed in the shape of a rod so as to receive direct light from the nib.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims. It will be possible.

10: touch pen 20: computer
30: touch screen device 40: power cable
11: pressure sensor 13: motion sensor
15: tactile input button 17: control unit
19: communication module 21: vibration unit

Claims (5)

LED (LED) consisting of a touch recognition unit for emitting a straight light;
An optical touch module configured to be one of a camera sensor and an infrared sensor, the optical touch module being disposed in the camera sensor or the infrared sensor when the touch recognition unit is in contact with a touch screen to stop the operation of the LED emitting infrared light;
A tactile input button unit having a button for requesting to perform the same function as a function button of a mouse, such as an upper scroll, a lower scroll, and a selection function;
A pressure sensor for sensing a pressure applied to the touch recognition unit in contact with the touch screen;
A motion sensor that detects movement, tilt and position of the touch pen;
Vibration unit for generating a vibration when writing or drawing on the touch screen;
Recognizes motion, tilt and position detected by the motion sensor to process motion information, tilt information and position information, and processes intensity information corresponding to the pressure detected by the pressure sensor to process the touch function of the touch pen. A control unit;
And a communication module configured to communicate strength information, motion information, tilt information, and position information to the touch screen side by wire or wireless communication under the control of the controller. . The method of claim 1, wherein the touch recognition unit,
A touch screen touch pen having an optical touch module, wherein a plurality of LEDs are disposed around a nib made of LEDs, and a plurality of diffusers are provided to spread the light emitted from the nibs and the plurality of LEDs. The apparatus of claim 1,
When the tilt of the touch pen detected by the motion sensor is a specific angle at which touch coordinates cannot be accurately recognized, the touch pen may be transmitted to the touch screen to correct touch coordinates (positions) of the touch pen. Touch pen for the touch screen having a touch module. The method of claim 1, wherein the communication module,
Touch screen touch pen having an optical touch module, characterized in that the wired communication method is any one of USB, I2C, analog communication or Serial communication. The method of claim 1, wherein the communication module,
The touch screen touch pen having an optical touch module, wherein the wireless communication method is any one of Zigbee, Bluetooth, WLAN, or infrared communication (IrDA).
KR1020120060032A 2012-06-04 2012-06-04 Touch pen including optical touch module for touch screen KR20130136321A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020120060032A KR20130136321A (en) 2012-06-04 2012-06-04 Touch pen including optical touch module for touch screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020120060032A KR20130136321A (en) 2012-06-04 2012-06-04 Touch pen including optical touch module for touch screen

Publications (1)

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KR20130136321A true KR20130136321A (en) 2013-12-12

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Country Status (1)

Country Link
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