KR101431688B1 - Dual-mode digital pen - Google Patents

Abstract

A dual mode digital pen is disclosed. The dual mode-digital pen comprises: a body; a first writing unit which is provided at one end of the body, detects information on location of a recording medium with a dot pattern to produce information to display graphic information; and a second writing unit which is provided at the other end of the body and displays graphic information on a touch panel.

Description

Dual mode digital pen {DUAL-MODE DIGITAL PEN}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dual mode digital pen, and more particularly , to a dual mode digital pen which can be universally used for a general paper recording medium, a display and a touch panel.

The electronic pen is a new concept pen that combines analog and digital. When you write letters on a paper like ordinary pen, the written contents are stored in the built-in memory of the pen. It is a pen made for you. Although a document written with a normal pen can be scanned with a scanner (electronic color separator) and stored in the form of an image file, a document written with an electronic pen does not require a scanning process, and a document can be easily managed through a separate program It is an advantage.

On the other hand, the stylus pen is used for operating a touch panel type terminal and inputting information. For example, a stylus pen changes a capacitance on a capacitive touch panel to display graphic information according to a movement path .

Therefore, the stylus pen can not be used as a writing instrument in a recording medium such as paper, and the electronic pen can not display the graphic information on the capacitive touch panel.

Korean Patent Laid-Open No. 10-2013-0002541 discloses an ink-jet recording apparatus in which a pen-tip capable of writing on a recording medium such as paper is inserted at one end using ink, and graphic information is displayed on the capacitive- And a touch pen having a built-in touch pen.

However, in the writing instrument combined with a touch pen disclosed in Korean Patent Laid-Open No. 10-2013-0002541, information written by the touch pen is stored in a terminal or the like to function as a digital pen. However, information written using a pen- There is a problem that it is not expressed directly as information.

SUMMARY OF THE INVENTION The present invention provides a dual-mode digital pen which can be used for general paper recording media, displays, touch panels, etc. to display graphic information and display different thickness depending on the pressure .

According to an aspect of the present invention, A first writing unit provided at one end of the body and sensing information on a recording medium on which a dot pattern is formed to generate information for displaying graphic information and a second writing unit provided at the other end of the body, And a second writing unit for displaying the second writing unit.

At least one of the first writing unit and the second writing unit may include a pressure sensor provided at each pen tip and sensing pressure applied to the pen tip to generate pressure information.

The first writing unit may include an infrared ray sensor for detecting infrared rays scattered on the recording medium and a position information calculating unit for detecting the position information using the detected infrared ray.

The first writing unit may further include an infrared light source for transmitting infrared light.

The pen tip portion of the first handwriting portion may be configured in the form of a pen tip that can be recorded on paper.

The pen tip portion of the second handwriting portion may be configured as a conductive cap.

And a communication unit for transmitting information generated by the first or second writing unit to an external terminal.

The dual mode digital pen according to the present invention is widely used for general paper recording media, displays, touch panels, and the like, and can display graphic information, and can display different thickness depending on the pressure.

1 is a perspective view of a dual mode digital pen according to one embodiment of the present invention,
2 is a partially enlarged view of a first writing unit according to an embodiment of the present invention;
3 is a partially enlarged view of a second writing unit according to an embodiment of the present invention,
4 is a block diagram schematically illustrating an internal configuration of a dual mode digital pen according to an embodiment of the present invention.
5 is a view for explaining a dot pattern according to an embodiment of the present invention and FIG.
6 is a schematic diagram of a dot pattern according to an embodiment of the present invention.

The present invention is capable of various modifications and various embodiments, and specific embodiments are illustrated and described in the drawings. 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.

The terms including ordinal, such as second, first, etc., may be used to describe various elements, but the elements are not limited to these 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 second component may be referred to as a first component, and similarly, the first component may also be referred to as a second component. And / or < / RTI > includes any combination of a plurality of related listed items or any of a plurality of related listed items.

It is to be 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, . 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 in this application is used only to describe a specific embodiment and is not intended to limit the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the terms "comprises" or "having" and the like are used to specify that there is a feature, a number, a step, an operation, an element, a component or a combination thereof described in the specification, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations 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, embodiments will be described in detail with reference to the accompanying drawings, wherein like or corresponding elements are denoted by the same reference numerals, and redundant description thereof will be omitted.

FIG. 1 is a perspective view of a dual mode digital pen according to an embodiment of the present invention, FIG. 2 is a partially enlarged view of a first writing unit according to an embodiment of the present invention, and FIG. FIG. 4 is a block diagram briefly illustrating an internal configuration of a dual-mode digital pen according to an embodiment of the present invention.

Referring to FIG. 1, a dual mode digital pen 100 according to an exemplary embodiment of the present invention includes a body 10, a body 10, A first writing unit 20 for generating information for displaying graphic information, and a second writing unit 30 provided at the other end of the body 10 for displaying graphic information on the touch panel .

The body part 10 is made of a synthetic resin such as a mixed resin of ABS (Acrylonitrile Butadiene Styrene Copolymer) and PC (Poly Carbonate), PP (Polypropylene), PPS (Poly Phenylene Sulfide), PMMA synthetic resin, PS synthetic resin, And can be made of the same material.

The body portion 10 may have the same diameter or a shape with a lower light intensity, and a cover (not shown) may be provided at both ends.

Referring to FIGS. 2 and 4, the first writing unit 20 includes a first pen tip unit 21 configured to be recordable on the paper in the form of a pen tip, a second pen tip unit 21 configured to generate pressure information on the first pen tip unit 21 An infrared sensor 23 for detecting infrared rays scattered on the recording medium 200, a position information calculator 24 for detecting position information using the detected infrared rays, and an infrared light source 26 ). ≪ / RTI >

The first pen tip portion 21 may be formed in the form of a pen protruding outward from one end of the body portion 10. [ The first pen tip portion 21 may be formed in the same shape as a pen tip such as a ballpoint pen, a marking pen, a fountain pen, or the like configured to be writable on a recording medium 200 made of paper using ink stored therein have.

The first pressure sensing sensor 22 is adjacent to the first pen tip 21 and can sense the pressure applied to the first pen tip 21.

The first pressure sensing sensor 22 generates pressure information which numerically calculates the pressure proportional to the force applied to the first pen tip portion 21 when the first pen tip portion 21 and the recording medium 200 are in contact with each other can do.

The infrared sensor 23 is positioned adjacent to the first pen tip 21 and can detect infrared rays scattered on the recording medium 200. [

The position information calculation unit 24 can recognize the dot pattern formed on the recording medium 200 by using the infrared rays detected by the infrared sensor 23 and calculate the position information on the recording medium 200 .

FIG. 5 is a view for explaining a dot pattern according to an embodiment of the present invention, and FIG. 6 is a schematic diagram of a dot pattern according to an embodiment of the present invention.

5, the dot pattern 400 includes a virtual grid line 420 and a plurality of marks 410, and each of the marks 410 includes a virtual grid line 420, As shown in FIG. Each mark 410 may provide positional information by a pattern value determined according to a position formed around an intersection point of the imaginary grid line 420.

The mark 410 may be formed of an infrared absorbing ink made of, for example, a phthalocyanine compound, a naphthalocyanine compound, or an aminium compound compound.

The mark 410 is formed at regular intervals around the intersection of the imaginary grid lines 420 and has a value of each mark 410 and the value of the mark 410 is composed of at least two or more different numbers of combinations .

The mark 410 may have various shapes such as a circle, an ellipse, a polygon, and a straight line, and it is preferable that one type of mark 410 is used on one recording medium.

6, the mark 410 may exist at four positions according to the relationship with the intersection of the imaginary grid line 420, and when the mark 410 is positioned at the right side of the intersection such as a, The value of the mark 410 is set to "2", and the value of the mark 410 is set to "3" when it is positioned to the left as shown by "c" The position of the mark 410 may be provided according to the position of the mark 410 centered on the intersection of the virtual grid line 420 by indicating the value of the mark 410 as "4".

The mark 410 may be formed not only on the imaginary grid line 420 but also in a diagonal direction and a plurality of marks 410 may be formed at an intersection of one virtual grid line 420 to provide position information have. In this case, the value of each mark 410 may be expressed in arbitrary coordinates in such a manner that it is divided into an x coordinate and a y coordinate, and the position information may be provided from the value of the mark 410 expressed in coordinates.

The imaginary grid lines 420 may be formed laterally and vertically at regular intervals. The distance between the grating lines 420 may be 250-300 m and the mark 410 may be formed at a distance of 1/4 or 1/8 around the intersection of the imaginary grid line 420 . Or the mark 410 may be formed such that two or more marks 410 are associated with each other about an intersection of the virtual grid line 420.

The infrared sensor 23 can detect infrared rays scattered in a portion of the surface of the recording medium 200 where the mark 410 is not formed and the position information calculating unit 24 can use the 6x6 grid The position information on each of the marks 410 is calculated and the absolute position on the recording medium 200 can be determined using the calculated position information.

The infrared light source 26 can project infrared light to the outside. The infrared light source 26 emits infrared light onto the recording medium 200 so that the infrared sensor 23 can detect the infrared light scattered on the recording medium 200.

The infrared light source 26 may not be necessary when it is used in a recording medium equipped with an infrared light source itself. However, when the infrared light sensor 26 is difficult to detect even if there is a recording medium without an infrared light source itself or an infrared light source It will be useful.

6 shows an example of calculating the positional information on the recording medium 200 by recognizing the dot pattern composed of the imaginary grid line 420 and the mark 410. However, It will be appreciated that all algorithms capable of calculating position information using arbitrary patterns can be applied.

In addition, in one embodiment of the present invention, the recording medium 200 includes not only a recording medium made of paper but also all display media capable of expressing a dot pattern.

3 and 4, the second writing unit 30 includes a second pen tip 31 formed in a conductive cap shape and a second pen tip 31 formed through a second press- And a second pressure sensing sensor 33 for generating pressure information to be applied to the pressure sensor 31.

The second pen tip portion 31 is made of a conductive material, and can display graphic information according to a movement path by changing the electrostatic capacity by moving the electrode of the capacitor on the capacitive touch panel 300.

The second pen tip portion 31 may be made mainly of silicon containing aluminum and carbon, for example.

In an embodiment of the present invention, the second pen tip portion 31 operating on the capacitive touch panel 300 has been described as an example. However, when the touch panel 300 is operated on the resistive touch panel or the optical sensor touch panel 300 And it can be constituted by a general rubber element or the like is included in the technical idea of the present invention.

The second pressure sensing sensor 32 is adjacent to the second pen tip portion 31 and can sense the pressure applied to the second pen tip portion 31.

The second pressure sensing sensor 32 generates pressure information on the pressure that is proportional to the force applied to the second pen tip 31 when the second pen tip 31 is in contact with the touch panel 300 can do.

The communication unit 40 can transmit information generated by the first writing unit 20 or the second writing unit 30 to an external terminal through a wired or wireless communication system. The information transmission of the communication unit 40 can be controlled by an embedded MCU (not shown).

When the handwriting operation is performed using the first writing unit 20, the communication unit 40 may transmit the position information and the pressure information together. When the handwriting operation is performed using the second writing unit 30 It can be controlled to transmit only the pressure information.

In this case, the pressure information transmitted from the dual mode pen and the position information sensed by the position information sensing unit 310 of the touch panel may be combined into one handwriting information.

Inside the dual mode digital pen 100, a device for performing various functions such as a device for other communication means, a microphone, and a speaker can be incorporated, and the operation can be controlled by the built-in MCU.

As used in this embodiment, the term " portion " refers to a hardware component such as software or an FPGA (field-programmable gate array) or ASIC, and 'part' performs certain roles. However, 'part' is not meant to be limited to software or hardware. &Quot; to " may be configured to reside on an addressable storage medium and may be configured to play one or more processors. Thus, by way of example, 'parts' may refer to components such as software components, object-oriented software components, class components and task components, and processes, functions, , Subroutines, segments of program code, drivers, firmware, microcode, circuitry, data, databases, data structures, tables, arrays, and variables. The functions provided in the components and components may be further combined with a smaller number of components and components or further components and components. In addition, the components and components may be implemented to play back one or more CPUs in a device or a secure multimedia card.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the present invention as defined by the following claims It can be understood that

10:
20: First writing part
21: First pen tip
22: First pressure sensing sensor
23: Infrared sensor
24: Position information calculation unit
26: Infrared light source
30: second writing unit
31: second pen tip
32: second pressure sensor
40:
200: recording medium
300: Touch panel

Claims (7)

A body portion;
A first writing unit which is provided at one end of the body and detects information on a recording medium on which a dot pattern is formed to generate information for displaying graphic information;
And a second writing unit provided at the other end of the body unit for displaying graphic information on the touch panel,
Wherein at least one of the first writing unit and the second writing unit is provided in each pen tip portion and includes a pressure sensor for sensing pressure applied to the pen tip unit to generate pressure information,
/ RTI >
Wherein the first writing unit includes an infrared sensor for detecting infrared rays scattered in the dot pattern of the recording medium and a position information calculating unit for detecting position information on the recording medium using the detected infrared rays.
delete delete The method according to claim 1,
Wherein the first writing unit further comprises an infrared light source for transmitting infrared light.
The method according to claim 1,
Wherein the pen tip portion of the first handwriting portion is composed of a pen tip recordable on paper.
The method of claim 1,
Wherein the pen tip portion of the second handwriting portion is roundly formed of a conductive material.
The method according to claim 1,
And a communication unit for transmitting information generated by the first handwriting unit or the second handwriting unit to an external terminal.

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