KR100614528B1 - Mobile communication terminal having rotary forder - Google Patents

Abstract

The present invention includes a main body having a keypad for inputting a signal and a rotatable part for inputting an audio signal on a front surface, and a rotating module seating portion cut at a predetermined portion at an upper end thereof; A rotating hinge module seated in a structure capable of self-rotating to a rotating module seating portion of the main body; It is mounted to the front of the rotating hinge module in a rotatable structure, and on one or both sides comprises a folder having a liquid crystal screen for outputting image information, and a receiving unit for outputting sound signals, the main body by the rotating hinge module Opening and closing of the folder, as well as the rotation operation is possible, it is possible to change the LCD screen to a wide form, and to use the functions of various multimedia services more effectively, and the folder can be rotated freely, so that various shooting modes Is a mobile communication terminal having a rotary folder that can be provided.

Mobile communication terminal, rotary folder, rotary hinge module, angle limiting means, stopper

Description

Mobile communication terminal having rotary folder {Mobile communication terminal having rotary forder}             

1A and 1B are perspective views showing the structure of a conventional clamshell mobile communication terminal and a rotating clamshell mobile communication terminal.

2A and 2B are front and rear views showing the appearance of a mobile communication terminal according to the present invention.

3 is an exploded perspective view showing the configuration of a mobile communication terminal according to the present invention.

4 is an exploded perspective view illustrating a configuration of a rotation hinge module of a mobile communication terminal according to the present invention.

5 is an exploded perspective view illustrating a coupling state of the fixed plate and the operating plate of the rotary hinge module applied to the mobile communication terminal according to the present invention.

FIG. 6 is an enlarged view of the 'I' part of FIG. 4 and is a front view showing the configuration of the angle limiting means.

7A to 7D are perspective views illustrating an operating state of a mobile communication terminal according to the present invention.

* Description of symbols on main parts of the drawings *

A-Mobile communication terminal 100-Main unit

110-Rolling Stone Seating 111-Seating Groove

120-Camera Module 200-Folder

202-Main LCD 210-Hinge

300-rotating hinge module 310-body

313-Multi Key 314-Stopper Drawer

320-mounting plate 321a-fitting groove

321-Guide 323-Coupling protrusion

324-Mounting groove 324a-through hole

330-operating plate 331-insert hole

332-Guide 333-Coupling Groove

334-Guideway 334a-Joiner

334-Sloped part 340-Elastic member

341,341 '-Steps 342-Fittings

400-Angle limit 410-Support plate

420-Stoppers 430-Protrusions

The present invention relates to a mobile communication terminal, and more particularly, a folder can be opened and closed as well as a self-rotating operation from a main body, so that various multimedia services can be used as well as use of a camera module provided in the terminal. The present invention relates to a folding mobile communication terminal that can be used.

With the recent rapid development of communication technology, the functions of the mobile communication terminal are gradually expanded to allow the transmission of text messages and various information, as well as internet connection, and the transmission of video calls and image information.

As the diffusion of mobile communication terminals is widely used and wireless Internet services are commercialized, the demands of consumers related to mobile communication terminals are diversified, and terminals with various functions and designs are being released to meet such demands. .

The terminals have been developed from a general bar type terminal to a flip type terminal, a folder type terminal, a slide type terminal, and the like, and in recent years, a foldable terminal has become mainstream. . This is because the foldable terminal has enough space to adopt the wide LCD module as a display device, and can be folded in half and carried, and thus the portability is superior to other terminals.

In addition, the folder-type mobile communication terminal is a general folder-type terminal that the folder is rotatably coupled to the front of the main body to perform the opening and closing operation in the vertical direction, and the folder is axially supported on the front of the body to rotate in one direction It is divided into a rotary clamshell terminal to perform the opening and closing operation.

Hereinafter, a conventional clamshell mobile communication terminal and a rotating clamshell mobile communication terminal will be described with reference to the accompanying drawings.

1A is a perspective view showing a state in which a folder of a conventional clamshell mobile communication terminal is opened.

As shown in FIG. 1, a conventional clamshell mobile communication terminal has a plurality of key buttons 11 for signal generation and information input on the front side, and a talker unit 12 for inputting a sound signal, and a pair of upper ends on both sides. Hinges (not shown) between the main body 10 provided with the hinge knuckles 13 and 13 ′ of the main body 10 and the set of hinge knuckles 13 and 13 ′ provided in the main body 10. And a folder 20 having a liquid crystal display 21 for outputting an image and a receiver 22 for outputting an audio signal.

In addition, a stopper (not shown) is provided between the set of hinge knuckles 13 and 13 ′ to maintain a call angle of the folder 20 opened from the main body 10, and a rear surface of the main body 10 is provided. A camera module (not shown) is provided to enable capturing an external image.

However, the conventional clamshell mobile communication terminal has a troublesome problem in that the entire terminal needs to be rotated in order to implement a wide view because the LCD screen 21 is fixed in the vertical direction. There is a problem that the screen position becomes impossible.

In addition, since the output direction of the LCD screen 21 and the output direction of the camera module (not shown) are fixed, there is a problem that various photographing environments cannot be provided.

In order to solve the above problems, recently, a rotating folding mobile communication terminal sliding to the side of the main body to open and close a folder has emerged.

1B is a perspective view showing a state in which a folder of a conventional rotating folding mobile terminal is opened.

As shown in FIG. 1B, the rotating folder type mobile communication terminal includes a main body 30 having a plurality of key buttons 31 for generating signals and inputting information, a talker 32 for inputting sound signals, On one or both sides, the LCD screen 41 for outputting an image, the folder 40 having a receiver 42 for outputting an audio signal, and the folder 40 are rotatable in one direction from the main body 30. Consisting of a hinge (not shown).

The rotating clamshell mobile communication terminal rotates the folder 40 toward the main body 30 side unlike the method of opening / closing the folder 20 to the front side of the main body 10 as in the above-described clamshell mobile communication terminal. The folder is opened and closed.

However, the conventional rotating clamshell mobile communication terminal can switch the LCD screen 41 to a wide shape, but maintains a call angle between the main body 10 and the folder 20 as in the clamshell mobile communication terminal. Since there is no stopper (not shown) for giving, many inconveniences such as attenuation or dispersion of sound during a call are accompanied, and since the LCD screen 41 is always exposed to the outside, the stability of the external environment is deteriorated. This will be.

 Accordingly, the present invention has been made to solve the above-mentioned problems of the conventional folder-type mobile communication terminal, the rotary folder-type mobile communication terminal, the object of the present invention is a folder-type mobile communication terminal, a rotary folder-type mobile By collecting and configuring only the advantages of the communication terminal, it is to provide a folder-type mobile communication terminal that can more effectively utilize the use of the terminal as well as the functions of the various multimedia services.

Another object of the present invention is to provide a folder-type mobile communication terminal that can provide a variety of shooting environment when shooting by using a camera module provided in the terminal can be rotated freely.

The present invention includes a main body having a keypad for inputting a signal and a transmitting unit for inputting an acoustic signal on the front surface, and a rotating module seating portion cut in a predetermined portion at an upper end thereof; A rotating hinge module seated in a structure capable of self-rotating to a rotating module seating portion of the main body; It is mounted to the front of the rotating hinge module in a rotatable structure, characterized in that it comprises a folder having a liquid crystal screen for outputting image information, and a receiving unit for outputting an audio signal on one side or both sides.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings such that those skilled in the art can easily implement the present invention.

2A and 2B are front and rear views showing an open state of a folder of a mobile communication terminal according to the present invention, and FIG. 3 is an exploded perspective view showing the configuration of a mobile communication terminal according to the present invention.

As shown in FIGS. 2 and 3, the mobile communication terminal A according to the present invention is largely rotated as well as opening and closing the main body 100, the folder 200, and the folder 200 from the main body 100. It is composed of a rotary hinge module 300 is installed to enable the operation.

The main body 100 is provided with a plurality of keypads 101 and function keys 102 for signal generation and information input on the front side, and a talker 103 including a microphone for inputting voice at the bottom center thereof. On the rear, the battery 104 for power supply of the terminal is detachably coupled.

In addition, the upper end of the main body 100 is provided with a rotary module seating portion 110 for rotatably seating the rotary hinge module 300 to be described later by cutting a predetermined portion, the surface of the rotary module seating portion 110 It is provided with a seating groove 111 of the groove type opening a predetermined portion.

At this time, the rotary module seating portion 110 is formed to form a curved surface of the lower end to enable the rotation of the rotary hinge module 300.

In addition, the main body 100 is provided with an antenna 105 for converting electrical energy into radio waves or receiving radio waves, and the antenna 105 has an internal antenna mounted internally in the main body 100. By using an internal antenna, it is possible to further improve the beauty of the appearance as well as the ease of use.

Meanwhile, a camera module 120 for photographing an external image is mounted on the rear surface of the main body 100. In this case, the camera module 120 may be an optical zoom or a mega-class camera module having a high resolution. The flash module 130 may be additionally mounted to allow the camera module 120 to photograph at night or in a dark place.

The folder 200 has a shape substantially similar to that of the main body 100, and a sub liquid crystal screen 201 is provided on one surface thereof, and a main liquid crystal screen (B) of the folder 200 which is in contact with the main body 100 while the terminal is folded. 202 is provided.

In addition, the main liquid crystal display 202 is provided with a receiver 203 and 204 for outputting an audio signal. The sign language units 203 and 204 are divided into a first sign language unit 203 provided in the center of the upper end of the main LCD screen 202 and a second sign language unit 204 provided in the center of the lower end of the main LCD screen 202. When the folder 200 is opened for a phone call, a sound is output through the first handset 203, and the LCD screen of the folder 200 is folded to the main body 100 while being exposed to the outside. The sound is output through the second receiver 204 so that the phone call can be made regardless of whether the folder 200 is opened or closed.

Then, in the state in which the folder 200 is closed to the main body 100, a hinge cylinder 210 having a predetermined portion protrudes upward is provided at the center of the upper end of the folder 200, and inside both sides of the hinge cylinder 210. The folder hinge groove 210a and the insertion groove 210b having the same central axis as the folder hinge groove 210a are respectively provided.

In the mobile communication terminal A according to the present invention, the main body 100 and the folder 200 are connected and installed by the rotation hinge module 300.

Referring to the drawings in detail with respect to the rotary hinge module 300 as follows.

Figure 4 is an exploded perspective view showing the configuration of the rotary hinge module of the mobile communication terminal according to the present invention, Figure 5 is a coupling state of the fixed plate and the operation plate of the configuration of the rotary hinge module applied to the mobile communication terminal according to the present invention 6 is an exploded perspective view showing an enlarged 'I' part of FIG. 4, and is a front view showing an angle limiting means.

As shown in FIGS. 4 and 5, the rotation hinge module 300 includes a body 310 installed on the hinge module seating part 110 of the main body 100 and a fixing plate fixed to the lower portion of the body 310. And a working plate 330 coupled to the fixed plate 320 in a structure capable of rotating each of the fixed plate 320 and an elastic member 340 to couple the fixed plate 320 and the working plate 330 to each other.

Body 310 is a structure that is rotatably seated on the hinge module seating portion 110 provided in the main body 100 is provided with a set of hinge knuckles (311, 311 ') facing each other at the center of the upper both sides, the front The side is formed to have a curved surface corresponding to the curved surface provided in the hinge module seating portion 110 to have a structure rotatable in the hinge module seating portion 110 of the main body 100.

In addition, the hinge knuckles 311 and 311 ′ are formed so that the folder 200 may be rotatably coupled from the rotary hinge module 300. The hinge knuckles 311 may be formed inside the hinge knuckle 311. The body hinge groove 311a having the same central axis is provided at a position corresponding to the folder hinge groove 210a provided in the hinge cylinder 210 and rotatably coupled by the hinge 312, and the other hinge knuckle 311 is provided. ') Is provided with a dummy hinge (311a') having a shape that can be inserted into the insertion groove (210b) provided in the hinge cylinder 210 of the folder 200 serves as a rotation axis of the folder (200).

In addition, in the present invention, but the dummy hinge (311a ') is formed in the hinge knuckle (311'), the insertion groove 210b is formed in the hinge cylinder 210, but the insertion groove is formed in the body and the hinge cylinder Of course, the dummy hinge can be formed.

Hinge 312, the body insertion portion 312a and the folder hinge groove of the folder 200 made of a shape that can be inserted into the body hinge groove 311a provided in one side hinge knuckle 311 as shown in FIG. Consists of a folder inserting portion (312b) having a shape that can be inserted into 210a, the body inserting portion (312a) and the folder inserting portion (312b) is formed in a structure capable of rotating each of the same rotation axis, the angle of a certain period And fixed click hinges, or free-stop hinges that can be set at various angles according to the user's choice. These click hinges and free stop hinges are already widely used in the related art. Detailed description of the internal structure and operation will be omitted.

In addition, the terminal 310 may be conveniently used during the operation of the folder 200 by forming a plurality of multi-keys 313 at appropriate positions on the surface of the body 310.

The fixing plate 320 is formed in the same shape as the body 310, and has a plate shape fixedly installed to close the lower surface of the body 310, and has a fitting groove 321a in the circumferential surface at the lower center thereof. A cylindrical fixing part 321 is formed to protrude, and a guide hole 322 for guiding rotation of the fixing plate 320 is protruded to a position adjacent thereto.

The operating plate 330 is coupled to the lower plate of the fixing plate 320 in a structure capable of rotating each, and fixed by a mounting groove 111 provided in the hinge module seating portion 110 of the main body 100. It is installed plate-shaped, the insertion hole 331 is formed in the center so that the fixing portion 321 of the fixing plate 320 can be inserted, the front of the rotation of the guide 322 provided in the fixing plate 320 Guiding guide hole 332 is formed.

At this time, the guide hole 332 is preferably formed in a semi-circular having a distance of 180 ° rotation radius so that the rotating fixed plate 320 can be rotated within an angle range of 180 °.

The elastic member 340 is fixed to the fixing plate 320 is installed on the lower portion of the body 310, the operation plate 320 is fixed to the mounting groove 111 provided in the rotating module seating portion 110 of the body 100. ) Is installed to join in a tightly supported state.

That is, the elastic member 340 bends the front and rear ends of the plate body having a predetermined thickness to form step portions 341 and 341 ′, and one side step portion 341 is fitted to the fixing portion 321. It is formed of a leaf spring formed by opening a predetermined portion to be inserted into the groove 321a to form the fitting portion 342, the fixing portion 321 of the fixing plate 320 is the insertion hole 331 of the operating plate 330 By inserting and installing the fitting portion 342 of the elastic member 340 into the fitting groove 321a of the fixing portion 321 when inserted into the), the fixing plate 320 and the operating plate 330 is in close contact with each other without flow It is possible to maintain the combined state.

On the other hand, the outer circumferential surface of the insertion hole 331 provided in the operation plate 330 is provided with a plurality of coupling grooves 333, the lower surface of the fixing plate 320 corresponding to the coupling groove 333 position A plurality of coupling protrusions 323 are provided.

The coupling protrusion 323 and the coupling groove 333 are formed to interrupt any rotation of the fixed plate 320 rotated from the operating plate 330. That is, the outer circumferential surface of the insertion hole 331 provided in the operating plate 330 is arranged in a cross shape a plurality of coupling grooves 333 having a 90 ° interval, and corresponding to the coupling groove 333 By forming a plurality of coupling protrusions 323 at the lower portion of the fixing plate 320 at the position, the fixing plate is fixed from the operating plate 330 at 90 ° intervals depending on whether the coupling protrusion 323 and the coupling groove 333 are coupled to each other. Has a configuration that can be.

Therefore, the operating plate 330 and the fixed plate 320 are maintained in a state in which they are held in close contact with each other, and during the movement, the coupling protrusion 323 is separated from the coupling groove 333 by a physical force and rotated to be coupled to the next. When the movement to the position of the groove 333, the coupling protrusion 323 is instantaneously inserted into the coupling groove 333 by the elastic force of the elastic member 340, the fixing plate 320 and the operating plate 330 is fixed to each other It can be maintained.

On the other hand, in the rotary hinge module 300 to limit the opening angle of the folder 200 at a certain angle in order to maintain the call angle of the main body 100 and the folder 200 when opening the folder 200 from the main body 100. An angle limiting means 400 is mounted.

The angle limiting means 400 will be described in detail with reference to FIGS. 4 and 6 as follows.

As shown in FIGS. 4 and 6, the angle limiting means 400 has a structure that protrudes or is inserted into the outside of the rotating hinge module 300 according to the rotation of the rotating hinge module 300. 410, a stopper 420 protruding from the top of the support plate 410, and a protrusion 430 protruding from the lower center of the support plate 410.

In addition, the upper end of the body 310 constituting the rotating hinge module 300 is provided with a stopper drawing hole 314 of the size that the stopper 420 of the angle limiting means 400 can be retracted.

In addition, a mounting groove 324 for mounting the support plate 410 of the angle limiting means 400 is provided at a position corresponding to the stopper outlet hole 314 of the body 310 at the center of the upper end of the fixing plate 320. The center of the mounting groove 324 is provided with a through hole 342a through which the protrusion 430 protruding from the bottom of the support plate 410 passes.

In addition, the operation plate 330 penetrates through a through hole 324a of the fixing plate 320 from a position corresponding to the through hole 324a provided in the fixing plate 320 to a section in which the fixing plate 320 is rotated. A guide path 334 for supporting and guiding the protruding portion 430 is provided, and a coupling hole for inserting the protrusion 430 moved along the guide path 334 at the end of the guide path 334 ( 334a).

At this time, the guide path 334 is preferably formed in a semi-circular shape having a length within the angle range of 180 ° is a rotation range that the body 310 and the fixed plate 320 is rotated from the operating plate 330.

Accordingly, the support plate 410 and the protrusion 430 of the angle limiting means 400 are coupled to the body 310 in a state of being inserted into the mounting groove 324 and the through hole 324a provided in the fixing plate 320. In combination with the operating plate 330.

When the body 310 and the operation plate 330 are coupled in this way, the protrusion 430 of the rotation limiting means 400 is supported by the guide path 334 provided on the operation plate 330, and thus the stopper 420. ) Maintains a protruding state through the stopper outlet hole 314 of the body 310.

When the body 310 is rotated in such a state, the protrusion 430 of the rotation limiting means 400 moves along the guide path 334 of the operation plate 330, and thus the body 310 moves on the operation plate. In the state rotated from the 330 is rotated 180 ° is inserted into the coupling hole 334a provided at the end of the guide path 334 by the weight of the stopper 420 as much as the height of the protrusion 430 Since the height is lowered, it is not exposed to the outside while being inserted into the stopper outlet hole 314 of the body 310.

In addition, the protrusion 430 is formed so that the end forms a predetermined inclined end portion 431, the protrusion (334) which is moved along the guide path 334 in the guide path 334 of the portion adjacent to the coupling hole (334a) ( It is preferable that the inclined portion 334b is formed to allow the 430 to be slowly inserted into the coupling hole 334a.

This is because the protrusion 340 of the angle limiting means 400 should be made of a configuration that can be inserted into or removed from the coupling hole 334a while being moved according to the rotation of the body 310.

That is, by forming the end of the protrusion 430 as a predetermined inclined end portion 431, and by forming a predetermined portion of the guide path 334 in contact with the inclined end portion 431 as the inclined surface 334b, the protrusion 430 is Insertion into the coupling hole 334a is, of course, easy to detach.

Looking at the opening and closing operation of the mobile communication terminal (A) having a structure as described above are as follows.

7A to 7D are perspective views illustrating an operating state of the mobile communication terminal A according to the present invention.

In the mobile communication terminal A according to the present invention, first, as shown in FIG. 7A, when the folder 200 is folded in the main body 100, the main LCD screen 202 may be connected to the keypad 101 of the main body 100. Located on the corresponding surface, only the sub LCD screen 201 is exposed to the outside.

When the user wants to make a phone call using the terminal in such a state, when the front side of the folder 200 is gripped and lifted to the upper side, the folder 200 is rotated on the basis of the hinge axis and the state of the main LCD screen as shown in FIG. 7B. 202, the keypad 101, and the handset 103 and 203 are opened in the exposed state.

At this time, the folder 200 is opened by a stopper 420 of the angle limiting means 400 which is mounted at the top center of the rotating hinge module 300 to have an opening angle of a predetermined angle, accordingly the user The phone call can be made at a stable call angle.

In addition, the user can look at the main liquid crystal display 201 and take an external image or the like by using the camera module 120 provided at the rear of the main body 100.

In such a state, in order to change the direction of the main LCD screen 202, a physical force is applied to the folder 200 to push in the lateral direction. When the folder 200 is pushed in the lateral direction as described above, the rotation hinge module 300 coupled to the folder 200 is rotated by the rotational force, and thus the folder 200 also performs a rotation operation. .

That is, while the coupling groove 333 provided on the operation plate 330 coupled to the main body 100 and the coupling protrusion 323 provided on the fixed plate 320 are separated from each other, the hinge module rotates from the main body 100. The rotation of the 300 is enabled, and in the 90 ° rotated state, the coupling protrusion 323 and the coupling groove 333 are coupled again, so that the folder 200 is rotated by 90 ° in a state as illustrated in FIG. 7C. Will remain intact.

In this state, since the main LCD screen 202 is switched to the wide form, the user can enjoy the functions of various multimedia services on the wide screen.

In such a state, in order for the direction of the main LCD screen 202 to be located on the front of the terminal, the rotation hinge module 300 is further rotated by 90 ° in the same manner as the rotation method of the rotation hinge module 300.

When the rotating hinge module 300 is rotated 180 degrees as described above, the main LCD screen 202 of the folder 200 is rotated in a state as illustrated in FIG. 7D, and the sub LCD screen 201 is disposed on the front side of the terminal. Is disposed in a portion corresponding to the keypad 101 of the main body 100, the position of the first and second handset provided in the upper center and lower center of the LCD screen is reversed.

At this time, the stopper 420 of the angle limiting means 400 mounted at the upper center of the rotary hinge module 300 is inserted into the stopper outlet hole 314 in accordance with the rotation of the rotary hinge module 300, so that the folder ( By releasing the interference of the 200, the folder 200 can be rotated in a completely folded state to the rotary hinge module 300.

Thus, even when the terminal is folded, it is possible to make a telephone call using the handset 103 and 204, and use various multimedia services while looking at the main LCD screen 202, wherein the rotating hinge module The plurality of multi-keys 313 provided on the surface of 300 can be given various functions such as camera shooting, moving picture files, MP3 file driving, etc., so that the terminal can be easily operated.

As mentioned above, although this invention was demonstrated in detail using the preferable Example, the scope of the present invention is not limited to a specific Example and should be interpreted by the attached Claim. In addition, those of ordinary skill in the art should understand that many modifications and changes can be made without departing from the scope of the present invention.

As described above, according to the mobile communication terminal according to the present invention, the opening and closing operation of the folder from the main body and the rotating operation can be performed by the rotating hinge module, so that the LCD screen can be converted into a wide form and functions of various multimedia services can be used. It can be used more effectively, and the folder can be freely rotated, so that various shooting modes can be provided.

Claims (15)

delete delete A keypad for signal input and a talker unit for inputting a sound signal are provided on the front side, and a top portion is provided with a rotatable module seating section by cutting a predetermined portion. A main body provided with a seating groove for mounting and fixing the module; A body seated and installed in a rotatable structure provided on the rotating module seating portion provided in the main body; It is fixed to the lower portion of the body, the lower center has a fixing portion provided with a fitting groove on the circumferential surface is formed, the adjacent position of the fixing plate protruding guide hole for guiding the rotation of the rotary hinge module; It is fixed to the mounting groove provided in the main body, the insertion hole is provided in the center so that the fixing portion of the fixing plate, the lower side of the operation plate is provided with a guide hole for guiding the rotation of the guide, A rotating hinge module comprising an elastic member inserted into and fitted into a fitting groove provided in the fixing part of the fixing plate so that the fixing plate and the operating plate are closely attached to each other; A rotating folder mounted on a front surface of the rotating hinge module and including a folder having a liquid crystal screen for outputting image information and a receiving unit for outputting an audio signal on one or both surfaces thereof; Mobile communication terminal provided. The method of claim 3, wherein Both ends of the front of the body are formed to face each other so that the first hinge groove and a pair of hinge knuckles provided with dummy hinges face each other, At the center of the upper end of the folder is provided on both sides a first hinge groove of the main body, a second hinge groove having the same central axis as the dummy hinge, and a hinge cylinder provided with an insertion groove, Mobile communication terminal having a rotary folder, characterized in that the folder is rotatably coupled from the main body by a hinge installed between the first hinge groove and the second hinge groove. The method of claim 3, wherein Mobile communication terminal having a rotary folder, characterized in that a plurality of multi-key is arranged on the surface of the body. The method of claim 3, wherein The guide hole provided in the operation plate is a mobile communication terminal having a rotary folder characterized in that it is formed in a semi-circle having a rotation radius of 180 °. The method of claim 3, wherein The elastic member is formed by bending the front and rear ends of the plate body having a predetermined thickness to form a step portion, wherein the one side step portion is characterized in that the leaf spring is provided with a fitting portion that can be inserted into the fitting groove provided in the fixing portion Mobile communication terminal having a typical folder. The method of claim 3, wherein The outer peripheral surface of the insertion hole provided in the operation plate is provided with a plurality of coupling grooves arranged in a cross shape, The lower surface of the fixing plate is a mobile communication terminal having a rotary folder characterized in that the engaging projection is provided at a position corresponding to the coupling groove. The method of claim 8, Mobile communication terminal having a rotary folder characterized in that the coupling groove of the operating plate, the engaging projection of the fixed plate is formed radially at intervals of 90 °. delete The method of claim 3, wherein The rotating hinge module is provided with an angle limiting means comprising a support plate constituting a plate body, a stopper protruding from the upper portion of the support plate, and a protrusion protruding from the lower center of the support plate. A stopper drawing hole having a size at which the stopper of the angle limiting means is retractable is provided at the center of the upper end of the body of the rotating hinge module. In the center of the upper end of the fixed plate of the rotating hinge module is provided with a mounting groove having a through hole in the center so that the support plate and the projection of the angle limiting means is installed, The operating plate of the rotating hinge module is provided with a guide path for supporting and guiding the projected portion through the through hole of the fixing plate from a position corresponding to the through hole provided in the fixing plate to a section in which the fixing plate is rotated. Mobile communication terminal having a rotatable folder, characterized in that the stopper is configured to protrude or be inserted into the outside of the body in accordance with the rotation of the hinge module by the coupling hole for insertion of the protrusion. The method of claim 11, Protruding portion of the angle limiting means is made of a predetermined inclined end portion, The guide of the adjacent portion of the coupling hole provided in the operation plate is a mobile communication terminal having a rotary folder characterized in that it is formed to form a predetermined slope. The method of claim 11, The guide path is a rotary folder type mobile communication terminal, characterized in that it is formed with a rotation radius of 180 °. delete delete

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