KR101260904B1 - Writing apparatus having the function of stylus pen for touch screen - Google Patents

Abstract

The present invention relates to a writing instrument having a function of a stylus pen for a touch screen that can recognize a touch of a stylus pen on a capacitive touch screen without having to manufacture a body of a pen as a conductor, and according to a preferred embodiment of the present invention. A writing instrument having a function of a stylus pen for pens includes: a pen nib having an electrically conductive pen stand containing ink therein, and a nib inserted into one end of the pen stand; A hollow body is formed along the longitudinal direction and a plastic body for accommodating the pen nib therein; An adapter of a conductor material coupled to one end of the body and electrically connected to the other end of the pen holder; And a contact tip electrically connected with the adapter to transfer microcurrent from the capacitive touch screen to the adapter and contain a conductive material.

Description

Writing instrument having the function of stylus pen for touch screen}

The present invention relates to a writing instrument having a function of a stylus pen for a touch screen, and more particularly, to a touch screen stylus pen capable of recognizing contact of a stylus pen on a capacitive touch screen without manufacturing a body of the pen as a conductor. It relates to a writing instrument having a function.

Recently, the demand for portable wireless terminals such as smart phones or tablet computers is rapidly increasing, and in accordance with the trend of miniaturization and light weight of such wireless terminals, a touch screen is in the spotlight in place of a keyboard or a keypad as a means for inputting information.

In general, the touch screen is divided into two types, a pressure sensitive touch screen and a capacitive touch screen. The pressure-sensitive touch screen is a method in which a pressure sensor is installed at the bottom of the screen so that the pressure sensor senses a pressure applied to a specific position of the screen and the touch position is recognized. In the capacitive touch screen, a minute current is applied to the surface of the screen, and when the conductor contacts a specific position of the screen, the current flows through the conductor and is grounded to recognize the touch position.

Since the stylus pen that can operate the capacitive touch screen has to ground the microcurrent, it is generally formed of a conductor, especially a metal material, and the body of the stylus pen as well as the contact tip portion contacting the touch screen for good grounding. The whole is often made of metal. In addition, the body is manufactured to a thickness of 5 ~ 6mm or more in order to easily grip the stylus pen by hand.

However, when both the contact tip and the body of the stylus pen is made of metal, the manufacturing cost of the stylus pen is expensive and the weight is greatly increased. In addition, stylus pens are typically made stretchable to increase portability, and are usually made of complex structures using double or triple pipes. This complicated structure eventually acts as a factor in further increasing the manufacturing cost.

In addition, such a stylus pen is used only as a stylus pen, so its use is limited and it is rare for anyone to carry it. Accordingly, users of portable wireless terminals usually input information by touching a screen with a finger without carrying a stylus pen. However, with a finger it is not easy to touch exactly the desired position in the small screen of the portable wireless terminal, and it is difficult to input quickly, especially this problem is exacerbated when pressing the keyboard on the touch screen.

The present invention has been conceived to solve the above problems, and an object thereof is to provide a writing instrument having the function of a stylus pen for a touch screen having a low cost.

Another object of the present invention is to provide a writing instrument having the function of a stylus pen for a touch screen with a simplified structure.

Still another object of the present invention is to provide a writing instrument having a function of a stylus pen for a touch screen, which can be produced with minimal change to an existing writing instrument production line.

Still another object of the present invention is to provide a writing instrument having the function of a stylus pen for a touch screen which can also be used as a writing instrument.

In order to achieve the above object, a writing instrument having a function of a stylus pen for a touch screen according to a preferred embodiment of the present invention includes a pen holder of an electrically conductive material containing ink therein, and a nib inserted into one end of the pen holder. Pen nib with; A hollow body is formed along the longitudinal direction and a plastic body for accommodating the pen nib therein; An adapter of a conductor material coupled to one end of the body and electrically connected to the other end of the pen holder; And a contact tip electrically connected with the adapter to transfer microcurrent from the capacitive touch screen to the adapter and contain a conductive material.

The writing instrument having a function of the stylus pen for the touch screen may further include a straw member fitted into a space between the pen nib and the body.

Preferably, the body is transparent.

On the other hand, the adapter has a protrusion projecting toward the contact tip, the contact tip may have a projection engaging groove to be fitted to the projection.

In addition, the contact tip may be formed of an elastic material and a conductive material may be coated on the surface thereof.

The present invention has the following effects.

First, the manufacturing cost is low.

Second, it is possible to provide a stylus pen for a touch screen with a simplified structure.

Third, the present invention can be produced only by making minimal changes to the existing writing instrument production line.

Fourth, it can be used as a writing instrument.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate preferred embodiments of the invention and, together with the description of the invention given above, serve to further the understanding of the technical idea of the invention, And should not be construed as interpretation.
1 is a perspective view of a writing instrument having the function of a stylus pen for a touch screen according to the present invention.
2 is an exploded perspective view of a writing instrument having a function of a stylus pen for a touch screen according to the present invention;

Hereinafter, a writing instrument having a function of a stylus pen for a touch screen according to an exemplary embodiment of the present invention will be described in detail with reference to the accompanying drawings.

The terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms and the inventor may appropriately define the concept of the term in order to best describe its invention It should be construed as meaning and concept consistent with the technical idea of the present invention. Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

In the drawings, the size of each component or a specific portion constituting the components is exaggerated, omitted, or schematically illustrated for convenience and clarity of description. Therefore, the size of each component does not entirely reflect the actual size. In the following description, it is to be understood that the detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

1 is a perspective view of a writing instrument having a function of a stylus pen for a touch screen according to the present invention, and FIG. 2 is an exploded perspective view of a writing instrument having a function of a stylus pen for a touch screen according to the present invention.

1 and 2, the writing instrument 100 (hereinafter, referred to as “the present writing instrument”) having the function of a stylus pen for a touch screen according to the present invention includes a contact tip 10, an adapter 20, and a body. 30, a straw member 40, a nib 50, a nipple 60, and a lid 70 are provided.

The adapter 20 is coupled to one end 31 of the body 30 around the body 30, and the contact tip 10 is fixed to the adapter 20. In addition, a pipe-shaped straw member 40 is fitted inside the body 30, and a pen nib 50 is fitted inside the straw member 40. The other end of the body 30 is coupled to the nipple 60 to prevent the nib 50 from being separated from the body 30, the lid portion 70 is coupled to the nipple 60 detachably.

The contact tip 10 is electrically connected to the adapter 20 to be described later, and serves to transfer the microcurrent from the capacitive touch screen to the adapter 20.

The contact tip 10 has a convex shape at one end thereof, the other end is flat, and a protrusion coupling groove 12 is formed at the center of the other end to fit the protrusion 22 formed at the adapter 20. . Since the way in which the stylus pen is held in the hand is different for each person, the part of the contact tip 10 which contacts the touch screen may be different each time. However, since the writing instrument 100 is one end of the contact tip 10 is convex and rounded. The contact tip 10 may be stably in contact with the touch screen.

The contact tip 10 may be formed of an elastic material such as rubber so that the contact tip 10 is deformed to widen the contact area between the writing tool 100 and the contact screen 10. In addition, the surface of the contact tip 10 is coated with a conductive material such as metal. Therefore, when the writing instrument 100 contacts the touch screen, the contact tip 10 is deformed so that the conductive material coated on the surface of the contact tip 10 contacts the touch screen more, so that the microcurrent flowing on the surface of the touch screen. Flows on the surface of the contact tip 10. Here, the contact tip 10 may be any material as long as the material can be elastically deformed, such as rubber.

The adapter 20 has a protruding portion 22 protruding toward the touch portion 14 of the contact tip 10, and a body inserting portion 26 protruding from the opposite side, centering on the adapter body 24. The body inserting portion 26 is inserted into and coupled to one end of the body 30, and the protrusion 22 is fitted into the protrusion coupling groove 12 formed in the touch portion 14 to fix the contact tip 10. It is preferable that the diameter of the protrusion 22 is formed to be somewhat larger than the diameter of the protrusion coupling groove 12 to fasten the protrusion 22 to the protrusion coupling groove 12 in an interference fit manner. In addition, a ring-shaped concave groove is formed on the outer circumferential surface of the protrusion 22, and a ring-shaped protrusion is formed on the inner circumferential surface of the protrusion coupling groove 12, and the protrusion 22 is inserted into the protrusion coupling groove 12 so that both It can be combined more firmly.

The body 30 is an opening in which a hollow part is formed along the longitudinal direction, and accommodates the pen nib 50 therein. Body 30 is formed of a plastic material to reduce the weight and manufacturing cost. In particular, it may be formed of a transparent plastic material in order to make the appearance smooth using the straw member 40 to be described later.

One end 31 of the body 30 is fitted with the body inserting portion 26 of the above-described adapter 20, and there is a coupling method, a screw method, an adhesive type and the like as a coupling method between the two. A screw thread is formed at the other end of the body 30, and a screw thread formed on the inner circumferential surface of the nipple 60 to be described later is fastened thereto by a screw method.

The pen nib 50 is accommodated in the hollow portion inside the body 30, and includes a pen stand 54 and a nib 52.

The pen holder 54 is a thin and long pipe containing ink therein, and is formed of a conductor material including metal such as iron, stainless steel, and aluminum. The nib 52 is fitted to one end 55 of the pen stand 54. Here, the pen nib 50 is used as a concept including all of a pen for writing pen containing ink therein, including a ballpoint pen, a sign pen, an oil marker, and the like. On the other hand, the other end 56 of the pen holder 54 is in contact with the adapter 20, the body inserting portion 26 of the protrusion 22 is formed in the center of the pen holder 54 so that the contact is stable The other end of) may be inserted into this groove.

The straw member 40 may be fitted into a space between the pen nib 50 and the body 30. When the body 30 is opaque, the straw member 40 may be omitted. However, when the body 30 is transparent, the body 30 may be inserted by inserting the straw member 40 printed on the surface with various pictures, patterns, and letters. Through the design element formed on the straw member 40 can be visually recognized by the user. In this manner, the straw member 40 helps to improve the marketability of the writing instrument 100.

Hereinafter, the principle of grounding the microcurrent from the capacitive touch pad of the writing instrument 100 will be described.

First, the elastic contact tip 10 is in contact with the capacitive touch pad, and a current flows through the surface of the contact tip 10 through a conductive material coated on the surface of the contact tip 10. Since a microcurrent is applied to the adapter 20 electrically connected to the adapter 20, and the other end of the adapter 20 and the pen holder 54 are electrically connected to each other, the microcurrent from the surface of the capacitive touch pad may be reduced. 50) It flows through and is grounded. That is, when only the contact tip 10 is in contact with the capacitive touch pad, a minute current flows to the nib 50, and the nipple 60 is structurally in contact with the nib 52 of the nib 50. If 60 is also formed of a conductor, fine current may flow even in the nipple 60.

Since the writing instrument 100 adopts the shape and structure of a conventional writing instrument like a conventional stylus pen without using a double or triple pipe, it is structurally very low and has a low risk of failure. There is no fear of breakage.

In addition, since the contact tip 10 and the adapter 20 are mounted on the existing writing instrument and the pen tip 50 may be manufactured to have a function of the electrostatic stylus pen by simply forming the conductor material, the existing writing instrument There is an advantage that can be equipped with the production line of the writing instrument 100 only by making very few changes to the production line. The manufacturing cost of the writing instrument 100 can be drastically lowered compared to the existing stylus pen, and the manufacturing unit cost can be avoided compared to the existing writing instrument, since the new composition is added to the conventional writing instrument with minimal change without significantly changing the existing production line. Does not rise much.

In addition, since the writing instrument 100 has not only the purpose of the stylus pen but also has the function of the writing instrument, and since the writing instrument usually carries more than one bag, the writing instrument 100 is always different from the conventional stylus pen. It is easy to carry.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not to be limited to the details thereof and that various changes and modifications will be apparent to those skilled in the art. And various modifications and variations are possible within the scope of the appended claims.

10: contact tip 12: protrusion coupling groove
14: touch unit 20: adapter
22: protrusion part 24: adapter body
26: body insertion portion 30: the body
40: straw member 50: pen nib
52: nib 54: pen stand
60: nipple 70: lid
100: a writing instrument having the function of a stylus pen for a touch screen

Claims (5)

A pen nib 50 having a pen holder made of an electrically conductive material containing ink therein, and a nib inserted into one end 55 of the pen holder;
A hollow portion is formed along the longitudinal direction, the body 30 of plastic material to receive the pen nib;
An adapter 20 of a conductor material coupled to one end 31 of the body positioned opposite to the one end 55 and electrically connected to the other end 56 of the pen holder; And
And a contact tip (10) coupled to the adapter and electrically connected to the adapter to transfer the microcurrent from the capacitive touch screen to the adapter and containing a conductive material. Writing instruments with the function. The method of claim 1,
The writing instrument having the function of a stylus pen for a touch screen, characterized in that it further comprises a straw member (40) inserted in the space between the pen nib and the body. The method of claim 1,
The writing instrument having the function of a stylus pen for a touch screen, characterized in that the body is transparent. The method of claim 1,
The adapter has a projection (22) protruding toward the contact tip, the contact tip having a function of the stylus pen for the touch screen, characterized in that it has a projection engaging groove (12) to fit the projection. The method of claim 1,
The contact tip is formed of an elastic material and a writing instrument having a function of a stylus pen for a touch screen, characterized in that the conductive material is coated on the surface.

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