KR20090125417A - Touch pen assembly served as antenna in electronic apparatus using touch pannel - Google Patents

Abstract

PURPOSE: A touch pen assembly served as an antenna in an electronic apparatus using a touch panel is provided to simultaneously use a touch pen and an antenna. CONSTITUTION: A touch pen(100) is received in a receiving tube body(202) and extended in a longitudinal direction. The receiving tube body includes a coil-type antenna inside an insulating tube. The embedded coil-type antenna is electrically connected to the outside through a conductive string fixing the receiving tube body. The touch pen has a nib part, a penholder part and a head part. The touch pen is received inside the coil-type antenna.

Description

Touch Pen Assembly Served as Antenna in Electronic Apparatus using Touch Pannel}

The present invention relates to an antenna combined touch pen assembly of an electronic device using a touch panel, and more particularly, to a touch pen or a stylus pen assembly having an external antenna.

Recently, due to the development of electronic communication technology, a mobile phone and a DMB broadcasting receiver are fused, and as the consumer demands a multimedia technology incorporating such video and audio, an increase in the size of a liquid crystal display for showing an image is required.

In general, a portable device requires a display and a user input device, i.e., a keypad, so that the display screen requires a larger size while maintaining a convenient size to carry. Therefore, in order to reduce the area occupied by the keypad, a touch panel technology capable of minimizing the keypad and allowing key input on the screen is required in portable electronic devices together with the screen technology.

Despite these demands, the commercialization of the touch panel has been slowed due to the input error of the touch panel. However, as the input reliability of the touch panel is improved due to the development of related material technology, the touch panel input device is rapidly increasing, especially in the mobile phones. have.

Since the touch panel is a method of inputting a command by pressing a specific portion on the panel, a touch pen with a sharp tip is required.

Various touch pens are introduced.

Patent Publication No. 2006-0057407 relates to a stylus pen (Stylus Pen) used in a portable mobile communication terminal (PDA; Personal Digital Assistant, etc.) having a touch screen, more specifically, the transmission and reception of a wireless voice signal Disclosed is a stylus pen of a portable mobile communication terminal capable of making a voice call.

In Patent Publication No. 2006-0016023, an antenna device is built in a stylus pen used in an electronic device of a touch screen input and connected to an antenna terminal of a terminal to receive a portable communication terminal without significantly affecting the size of the terminal. A technique for increasing sensitivity and receiving a wideband signal is disclosed.

In the Utility Model Registration No. 281068, in order to use the antenna mounted on a mobile phone as a pen for a touch screen, a touch pen and a detachable lock shape are installed on the antenna so that the touch screen can be easily used without any mechanism. Discuss the technique.

In the Utility Model No. 256126, the touch pen of the web pad is configured as a vertically spread antenna structure to maintain the electrical connection with the built-in antenna wire of the web pad when coupled to the web pad. Disclosed is a combination structure of an external antenna combined touch pen of a web pad that functions as an external antenna for receiving sound and video signals as well as a basic function of inputting a signal through an LCD screen.

In Patent Publication No. 2002-0047566, there is a boss pen which slides back and forth in a circular rod shape, a predetermined space is provided therein so that the boss pen is inserted and slides back and forth, and a case pen having a pointed portion having a nib function at one end thereof; The present invention discloses a technique including a fixing means for fixing the boss pen when the boss pen is inserted into the case pen and slides back and forth.

In the Utility Model No. 307042, a stylus pen provided for manipulating a touch screen type portable wireless terminal, comprising: a body having a tip, a cylinder mounted on an upper portion of the body, and a predetermined vertical direction in the cylinder; A shaft installed to reciprocate by a length, and at least one rubber ring having an outer circumferential surface wound in contact with an inner circumferential surface of the cylinder at an end position of the shaft, wherein at least one air circulation groove is formed on the outer surface in a longitudinal direction; Disclosed is a technique.

In Patent Publication No. 2007-0021358, the tip is made of a structure free of ink spillage, a tip formed of a synthetic resin, a tip cap fixing the tip to the tip, and the tip cap are coupled to the tip, and a stopper or a decorative device is installed at the rear end. In the stylus pen made of a pen, forming a stepped lining chamber inside the cap cap, inserting a fixing pin having a head jaw at the rear end of the cap cap, the coil spring and the fixing hole is provided through the tip of the cap cap Discloses a technique configured to elastically couple the tip to the fixing pin by inserting.

In the Utility Model No. 327592, the air flow is made in the tube, so the forward and backward movement of the rod is extremely quiet, and the direct friction between the rod and the metal locking jaw is blocked, making it more quiet and comfortable. It has a softness reminiscent of the stylus pen to significantly improve the quality and quality of the product while uniformly treating the surface to improve productivity.

Utility model No. 314897 relates to a stylus pen provided for manipulating a touch screen type portable wireless terminal, wherein a part of a metallic mandrel having a predetermined length is formed by insert molding to prevent breakage when falling, and the tip Friction between metallic materials, including a hollow cylinder mounted on the upper portion of the cylinder, a shaft installed to reciprocate by a predetermined length in the cylinder in a vertical direction, and a bushing disposed between the outer circumferential surface of the shaft and the inner circumferential surface of the cylinder. In addition to preventing the occurrence of powder or noise due to the present invention, a technique for preventing the stylus pen from being broken or broken when falling to the ground is disclosed.

Patent No. 626373 relates to an antenna device of a touch screen type wireless terminal in which a stylus pen is detachably installed in a terminal, and a predetermined antenna is installed inside the stylus pen, and the stylus pen is connected to the terminal. When fully mounted, disclosed is a technique configured to improve the antenna radiation characteristics of the terminal by allowing the antenna of the stylus pen to be electrically grounded to the antenna ground of the terminal RF board.

However, the conventional technologies are inconvenient to use because the touch pen cannot be used as an antenna or the connection configuration is complicated.

An object of the present invention for solving the above problems is to provide an antenna combined touch pen assembly of an electronic device using a touch panel capable of using a touch pen and an antenna at the same time.

Another object of the present invention is to provide an antenna combined touch pen assembly having improved contact characteristics between an antenna and an electronic device.

Still another object of the present invention is to provide an antenna-type touch pen assembly that is flexible and easy to assemble and stretch.

Still another object of the present invention is to provide an antenna-type touch pen assembly in which a liquid crystal cleaner is added to an elastic touch pen.

Still another object of the present invention is to provide an antenna combined touch pen assembly that can be expanded or contracted by one operation when attaching and detaching an elastic touch pen to a housing cylinder.

The present invention for achieving the above object is provided with an accommodating cylinder and a touch pen that is accommodated in the accommodating cylinder and is stretched in the longitudinal direction. The housing cylinder incorporates a coiled antenna inside the insulated tube, and the built-in coiled antenna is electrically connected to the outside through a conductive string that fixes the housing cylinder. The touch pen is composed of a nib portion, a pen stand portion, and a head portion and is housed inside a coiled antenna built in an insulating tube of a housing cylinder. The nib has an air passage formed in the center of the body from the leading end to the trailing end around the tip which protrudes conically. The pen stand is stretched in the length direction including a metal rod moving in the length direction in the metal tube, and the air inside the metal tube is introduced or discharged through the air passage of the nib during the stretching operation.

Here, the head is preferably screwed to the metal rod and the liquid crystal cleaner is attached to the outer surface. And the outer surface of the head portion is formed as an inclined surface to increase the area of the liquid crystal cleaner to be attached.

In the present invention, the accommodating cylinder includes a first holding portion and a second holding portion for holding the touch pen, the first holding portion holding the pen tip portion of the touch pen and the second holding portion holding the head portion by an operation. Elongation or contraction is possible.

In addition, in the present invention, by adopting a structure for pressing the electrical contact portion of the coil-type antenna and the conductive string with the coil-type antenna in the present invention, it is possible to maintain the exact contact reliability of the electrical contact portion, thereby improving the radio wave reception performance.

The most preferred embodiment of the present invention includes an accommodating cylinder and a touch pen that is accommodated in the accommodating cylinder and is stretched in the longitudinal direction. The accommodating cylinder includes an insulating tube having first and second catching jaws formed on inner surfaces of a predetermined depth from both ends, an insulating cap fastened to one end of the insulating tube, and having a hole formed in the center thereof, an insulating cap and a first A first holding tube having a plurality of arc-shaped protruding elastic pieces that are mounted between the engaging jaws and radially stretched, a conductive disk stored inside the insulating cap and having a hole formed in the center thereof, and stored inside the insulating cap and in contact with the conductive disk. A conductive cup having a groove formed at the center of the surface, and a knot portion are received in the groove of the conductive cup to be in electrical contact with the conductive disk and the conductive cap, and one end is drawn out of the housing cylinder through the through hole of the insulating cap and the conductive disk. One end is fixed to the string, the conductive cap and the coiled antenna housed inside the insulated tube, and the other end of the insulated tube is fastened to be interviewed on the second catching jaw by the coil. A second gripping tube having an insulated bushing for pressing and fixing the other end of the antenna, a plurality of arc-shaped projecting elastic pieces mounted inside the insulated pipe so as to be interviewed by the insulated bushing, and being radially stretched; And a fixing tube which is fastened to fix the second holding tube. The touch pen is composed of a nib, a pen stand, and a head. The pen tip has a conical body, a tip that protrudes prominently at the tip of the body, a locking jaw formed at the rear outer circumferential surface of the body, a fixing groove formed at the outer circumferential surface between the tip and the locking jaw, and a body center from the tip to the rear end of the tip. It includes an air passage formed in. The pen stem has a metal tube formed at one end with a rear end portion of the pen tip to a locking jaw of its outer circumferential surface, and at the other end a integrally formed hook ring having an inner diameter smaller than the inner diameter, and at one end a piston portion inscribed to the metal tube and a female thread groove formed at the other end thereof. It includes a metal rod mounted to move in the longitudinal direction inside the metal tube having an outer diameter inscribed to the hook ring. The head portion has a male thread portion screwed into the female thread groove at one end thereof, a metal cylinder having a fixed groove formed at the outer circumferential surface thereof, and a head cap having one end coupled to the other end of the metal cylinder and having the same outer diameter as the outer diameter of the housing cylinder, And a liquid crystal cleaner attached to the outer surface of the other end.

In the touch pen assembly according to the embodiment of the present invention, since the antenna and the touch pen are accommodated in a small housing, the appearance is beautiful and easy to carry, and the stretching operation of the touch pen is smooth, thereby improving the reliability and convenience of use of the product. do. Due to the use of a string for fastening the connection between the antenna and the electronic device mounted on the housing cylinder to the electronic device, there is a lot of movement, so there is concern about the electrical contact characteristics of the contact area. Solve the problem. Since the liquid crystal cleaner is attached to the head portion, convenience in use is increased.

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the antenna combined touch pen assembly according to the embodiments of the present invention, the present invention is not limited to the following embodiments, having a common knowledge in the art It will be apparent to those skilled in the art that the present invention may be embodied in various other forms without departing from the spirit of the invention.

1 is an antenna combined touch pen assembly according to the present invention shows a medallion touch phone, Figure 2 is an exploded perspective view of the housing cylinder according to the present invention, Figure 3 is an exploded perspective view of the touch pen according to the present invention.

Referring to the drawings, the touch pen assembly 200 is fastened to the touch phone 100 through the conductive string 300. The touch pen assembly 200 is composed of a housing cylinder 202 and a touch pen 204 housed in the housing cylinder 202.

Referring to FIG. 2, the storage cylinder 202 includes an insulated tube 210, an insulating cap 220, a conductive disk 230, a conductive cup 240, a first holding tube 250, and a coiled antenna 260. , An insulation bushing 270, a second gripping tube 280, and a fixing tube 290.

The insulator tube 210 is a reinforced plastic pipe having a diameter of about 5 to 7 mm, and first and second catching jaws 212 and 214 are formed on inner surfaces of a predetermined depth from both ends thereof. The outer circumferential surface of the insulation tube 210 may be designed in various patterns or colors to give a visual aesthetic. The insulating cap 220 has a through hole 222 formed in the center thereof, and protrusions are formed on an outer circumferential surface of the insulating tube 210 to be inserted into one end of the insulating cap 220, thereby being fastened by interference fit. The conductive disk 230 is a mobilization plate, the through-hole 232 is formed in the center. If one end of the conductive string 300 is inserted through the through hole 232, and then a knot 302 is formed at the end, the knot 302 is larger than the diameter of the through hole 232, so that the knot 302 is not removed. The conductive cup 240 has a groove 242 formed on one side of the cylinder, and a fixing groove 244 is formed near the center of the outer circumferential surface and tapered from the fixing groove 244 to the other end to form an inclined surface 246. . One end of the coil antenna 260 is fitted into the fixing groove 244 to be fixed. The conductive disk 230 and the conductive cup 240 are mounted inside the insulating cap 220 so that the knot 302 is received in the recess 242 of the conductive cup 240 so that the conductive cup 240 and the conductive disk 240 may be formed. Is in electrical contact.

The first gripping tube 250 is made of reinforced plastic and consists of a ring portion 252 and two half arc-shaped elastic pieces 254 extending in the longitudinal direction from the ring portion 252. The protruding jaw 256 is formed at the inner end of the elastic piece 254, and a slit 258 is formed between the elastic pieces 254, and when the external force is applied to the protruding jaw 256, the elastic pieces 254 are radial. That is, it is bent in a direction perpendicular to the axial direction and restored to its original position when the external force is removed. The space between the elastic piece 254 and the inner circumferential surface of the section connection 210 is pushed to secure the bending space. The first gripping tube 250 is mounted to be movable in the longitudinal direction between the first catching jaw 212 of the insulating tube 210 and the insulating cap 220. The latch 253 of the ring part 252 is moved in the longitudinal direction until it is caught by the first catching jaw 212. The outer circumferential surface of the ring portion 252 is formed with a groove 255 formed in the longitudinal direction. The straight portion of the antenna 260 is inserted into the groove 255.

The coiled antenna 260 includes a ring portion 262 and a straight portion 264 extending vertically in a longitudinal direction from the ring portion 262 fitted into the fixing groove 244 of the conductive cup 240. ) Coil portion 266 wound in a coil shape. Therefore, when the coil part 266 is compressed, the compressive force is transmitted to the ring part 262 via the straight part 264, so that the conductive cup 240 to which the ring part 262 is fixed is subjected to pressing force in the direction of the conductive disk. The inner diameter of the coil portion 266 is designed to be larger than the outer diameter of the touch pen, for example, about 4 mm in size.

The insulation bushing 270 is fastened to the inside of the insulation pipe 210 by forcibly fitting until the hanger 272 is caught by the second catching jaw 214 with a plastic injection molding. The protruding annulus 274 of the insulating bushing 270 is fitted to one end of the coil portion 266 to fix and fix the antenna.

The second gripping tube 280 is made of reinforced plastic and includes a ring portion 282 and two half arc-shaped elastic pieces 284 extending in the longitudinal direction from the ring portion 282. The protruding jaw 286 is formed at the inner end of the elastic piece 284, and a slit 288 is formed between the elastic pieces 284, and when the external force is applied to the protruding jaw 256, the elastic pieces 284 are radially formed. That is, it is bent in a direction perpendicular to the axial direction and restored to its original position when the external force is removed. One end 283 of the ring portion 282 is fitted into the insulating bushing 270 to be inscribed.

The fixing tube 290 is fastened to the other end of the insulated tube 210 by the reinforced plastic to secure the second holding tube 280. The space between the elastic piece 284 and the inner circumferential surface of the second gripping tube 290 is secured by the elastic piece 284 being pushed.

The coil-shaped antenna 260 is built in the housing cylinder 202 configured as described above, and two first and second gripping tubes 250 and 280 are installed to grip the touch pen 204 during storage.

Referring to FIG. 3, the touch pen 204 may include a nib 310, a pen stand 320, and a head 330.

The nib 310 has a conical body 312 as a whole, and a tip 313 protrudes prominently from the tip 312 of the body 311. A locking jaw 314 is formed on the rear outer circumferential surface of the body 312, and a fixing groove 315 is formed on the outer circumferential surface of the body 311 between the tip 313 and the locking jaw 314. In the center of the body 311 is formed an air passage 317 through the end portion 312 around the tip 313 through the rear end portion 316. The air passage 317 is seen as two holes when viewed from the front end 312 and as one rectangular hole as seen from the rear end 316. The protruding jaw of the elastic piece 254 of the first gripping tube 250 is inserted into the fixing groove 315 to be gripped.

Pen stand 320 is composed of a two-stage stretch structure consisting of a metal tube 322 and a metal rod 324. One end of the metal tube 322 is inserted into the rear end portion 316 of the nib 310 to the locking jaw 314 of the outer peripheral surface and the other end of the hook ring frame 322a is integrally formed. One end of the metal rod 324 is formed with a piston portion 324a inscribed in the metal pipe 322 and the other end is formed with a female thread groove 324c. The outer diameter of the metal rod 324 is inscribed in the engaging ring 322. Two sealing grooves 324b are formed in the piston portion 324a. The sealing ring 324b is equipped with a rubber ring 326 to prevent the piston part 324a and the metal pipe 322 from rubbing against each other, and to allow the piston part 324a to move closely in the metal pipe 322 without play. .

The head portion 330 includes a metal cylinder 332, a head cap 334, and a liquid crystal cleaner 336.

One end of the metal cylinder 332 is formed with a male threaded portion 332a which is screwed into the female threaded groove 324C of the metal rod 324, and a protruding jaw 332b and a fixed groove 332c are formed on the outer circumferential surface. Since the elastic piece 284 of the second gripping portion 280 is opened by the jaw 332b and the elastic piece 284 is restored to its original position in the fixing groove 332c, the head is caught by the protruding jaw of the elastic piece 284. 330 is gripped by the housing cylinder 210.

At one end of the head cap 334, a coupling groove 334a into which the rear end 332d of the metal cylinder 332 is inserted is formed, and the other end forms an inclined surface 334b, and the liquid crystal cleaner 336 is formed on the inclined surface 334b. Attached.

Fig. 4 shows the housed state of the touch pen assembly of the present invention, and Fig. 5 shows the operating state when the touch pen is taken out of the housed cylinder.

Referring to FIG. 4, in the housed state, the fixing groove 315 of the nib 310 of the touch pen 204 is caught and gripped by the first gripping portion 250 of the accommodating cylinder 202. The fixing grooves 332c of the head part 330 of the touch pen 204 are caught by the two holding parts 280 and held. At this time, the first gripping portion 250 is pushed forward to be gripped in a state of being in close contact with the insulating cap 220.

Referring to FIG. 5, when the head part 330 of the touch pen 204 is pulled out in a stored state, the head part 330 is first escaped from the elastic piece by the second grip part 280, but the nib part 310 Since the first gripping portion 250 is moved together in a rearward state, the metal rod 324 rides inside the metal tube 322 first by the pulling force, which is not released in the gripped state. The metal rod 324 is completely pulled out so that the piston portion 324a is caught by the hook ring frame 322a of the metal tube 322. From this time, the fixing groove 315 of the nib 310 is separated from the elastic piece 254 of the first gripping part 250 and completely exits. Therefore, the touch pen 204 is already extended by the one operation of pulling out, so that the touch pen can be used immediately.

6 shows a liquid crystal cleaner used state of the present invention. According to the present invention, since the liquid crystal cleaner 336 is attached to the head of the stylus pen and configured integrally, a stain such as a fingerprint may be easily wiped off the touch screen without a separate liquid crystal cleaner.

According to the present invention, it is used as a touch pen for a touch panel employed in a mobile handheld device used for walking or mounted in a vehicle such as a touch phone, a smart phone, a DMB receiver, navigation, a PMP, a notebook computer, a pop computer, and the like. In particular, it is widely used in the field of electronic devices using the antenna for terrestrial DMB broadcasting.

Although described with reference to the embodiments above, those skilled in the art can variously modify and change the present invention without departing from the spirit and scope of the invention described in the claims below. You will understand.

Figure 1 shows an antenna combined touch pen assembly according to the present invention medallion touch phone.

2 is an exploded perspective view of the housing cylinder according to the present invention.

3 is an exploded perspective view of the touch pen according to the present invention.

Figure 4 shows the storage state of the touch pen assembly of the present invention.

5 shows an operation state when the touch pen is taken out of the housing cylinder.

6 shows the state of use of the liquid crystal cleaner.

Claims (6)

And a touch pen housed in the housing cylinder and stretched in the longitudinal direction, The accommodating cylinder includes a coil-type antenna inside the insulated tube, and the built-in coil-type antenna is electrically connected to the outside through a conductive string for fixing the accommodating cylinder. The touch pen is composed of a nib, a pen stand, and a head, and is housed inside a coiled antenna line embedded in an insulated tube of the accommodating cylinder. It has an air passage formed in the center of the body, the pen stem is stretched in the longitudinal direction including a metal rod that is moved in the longitudinal direction in the metal tube, the air inside the metal tube during the stretching operation is introduced or discharged through the air passage of the nib portion An antenna combined touch pen assembly for electronic devices with a touch panel. The method of claim 1, wherein the head portion An antenna combined touch pen assembly of an electronic device having a touch panel, wherein the liquid crystal cleaner is attached to the metal rod and attached to the metal rod. According to claim 2, wherein the outer surface of the head portion An antenna combined touch pen assembly of an electronic device having a touch panel, characterized in that formed in an inclined surface to increase the area of the liquid crystal cleaner to be attached. According to claim 1, wherein the housing cylinder is provided with a first gripping portion and a second gripping portion for holding the touch pen, the first gripping portion grips the pen tip of the touch pen and the second gripping portion head portion An antenna combined touch pen assembly of an electronic device having a touch panel, which is gripped. The touch pen assembly of claim 1, wherein the accommodating cylinder presses an electrical contact portion between the coil antenna and the conductive string with a coil antenna. And a touch pen housed in the housing cylinder and stretched in the longitudinal direction, The accommodating cylinder may include an insulating tube having first and second catching jaws formed on inner surfaces of a predetermined depth from both ends thereof; An insulation cap fastened to one end of the insulator tube and formed with a hole in the center thereof; A first holding tube having a plurality of arc-shaped protruding elastic pieces mounted between the insulating cap and the first catching jaw and being radially stretched; A conductive disk accommodated in the insulating cap and having a hole formed in the center thereof; A conductive cup accommodated in the insulating cap and having a groove formed in a center of a surface of the insulating cap in contact with the conductive disk; A conductive string having a knot portion received in a recess of the conductive cup and electrically contacting the conductive disk and the conductive cap, and one end of which is drawn out of the housing cylinder through the through holes of the insulating cap and the conductive disk; A coil antenna having one end fixed to the conductive cap and accommodated in the insulation tube; An insulation bushing coupled to the second catching jaw by an interference fit with the other end of the insulator tube to press and fix the other end of the coil antenna; A second holding tube having a plurality of arc-shaped protruding elastic pieces which are mounted inside the insulating tube so as to be interviewed by the insulating bushing and are radially stretched; A fixing pipe fastened to the other end of the insulator tube to fix the second holding pipe, The touch pen is composed of a nib, a pen stem and a head, The nib portion is conical body; A tip protruding prominently at the tip of the body; A locking step formed on the rear outer circumferential surface of the body; A fixing groove formed on an outer circumferential surface between the tip and the locking jaw; And an air passage formed at the center of the body from the front end to the rear end around the tip, The pen stem includes a metal tube having one end of the pen tip inserted into the locking jaw of the outer circumferential surface thereof, and the other end of the pen ring having an inner diameter smaller than the inner diameter thereof; And a metal rod mounted at one end thereof to have a piston portion inscribed to the metal pipe, and at the other end to have a female thread groove formed therein and having an outer diameter inscribed to the engaging ring frame, the metal rod being mounted to be moved in the longitudinal direction inside the metal pipe. The head portion is formed with a male screw threaded to the female screw groove at one end, the metal cylinder formed with a fixing groove on the outer peripheral surface; A head cap having one end coupled to the other end of the metal cylinder and having the same outer diameter as the outer diameter of the housing cylinder; And a liquid crystal cleaner attached to an outer surface of the other end of the head cap.

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