KR20040107051A - Triple-folder type mobile communication terminal - Google Patents

Abstract

PURPOSE: A triple-folder type mobile terminal is provided to allow a user to perform call communication function without opening a folder part and enhance a stereo function. CONSTITUTION: A folder part(100) includes two display units(120,210). A main body(200) is hinge-coupled with the folder part(100) by using one end as a shaft, and includes a display unit(210) at its upper side and a main substrate. A keypad module(300) is slidably moved on the main body(200). A guide unit allows the keypad module(300) to be slidably moved on the main body(200). A stopper unit fixes the keypad module(300) at a certain position of the main body(200). A case includes a plurality of button holes for installation of operation buttons(330). A switch dome is provided between the operation buttons(330) and a keypad substrate. A microphone(380) is formed at a lower side of the case.

Description

Triple-folder type mobile communication terminal

The present invention relates to a three-fold clamshell mobile communication terminal, and in particular, a large-sized display unit is installed in a main body unit having a folder unit and a keypad member that is expandably provided at an upper surface thereof, thereby improving multimedia functions and not opening the folder unit. The present invention relates to a triple clamshell mobile communication terminal capable of making a call without using the phone and improving stereo function.

In general, a mobile communication terminal is a mobile communication means that allows a user to make a call with a desired partner regardless of location or time while moving or indoors. The trend is soaring day by day, it is marketed in various forms of design, and it is becoming a necessity of modern people regardless of age and gender.

The type of mobile communication terminal refers to a cellular phone (DCS), a personal mobile communication (PCS), and other portable mobile communication devices. There are two types of cellular phone and personal mobile communication, flip type and folder type.

Among these, the clamshell cell phone is small in size and light in weight, which is easy to carry. Due to these advantages, clamshell mobile phones have become the most popular model in the mobile communication market, and various studies have been conducted for ultra-slip and ultra-lightweight mobile phones.

As shown in FIG. 1, the mobile communication terminal 10 includes various electronic components, a body 11 having an antenna installed at one upper end thereof, and a user at the front of the body 11. By pressing the on / off or dialing of the number of keypad portion 12 is configured, the keypad 12 is coupled to the hinges on both sides of the lower side of the body 11 provided with the user's The display unit 13 is configured to open or close the keypad unit 12 by opening and closing, or to display a phone number input and an operation state by a pressing operation, and an upper side and a keypad unit of the display unit 13. 12 or a battery pack (15) configured to be provided on the cover side, respectively, and charges electricity to supply power to the body (11) provided with the transmitter and receiver 14 (15) ) Is removable on the back of the body (11) Is fitted with.

Meanwhile, as illustrated in FIG. 2, the foldable terminal 20 includes a keypad 21 and buttons 211 having various functions, and a main body 21 having a transmitter 212 for transmitting a voice signal at a lower portion thereof. ) Is configured, the button 11 is protected from the external shock, and the inner display unit 221 is built in, and the flip 22 is provided with a receiver 222 for receiving a voice signal on the upper side. The hinge unit 23 is configured to support the main body 21 and the flip 22 to be rotated at a predetermined angle.

However, the conventional terminal as described above has a problem that it is difficult to watch a small screen when watching an Internet movie or a music video, or sending a text, etc., when sending a text of a long text by using a smaller display unit. It was difficult to use because it had to send.

To solve this problem, a triple clamshell terminal with improved display function has been proposed. Referring to FIG. 3, the configuration of the triple folder type terminal is a mobile communication terminal having one folder 31a embedded therein and a folder 31 having a receiver 31b configured to receive a voice signal thereon. The main body 32 is hinged to one side of the folder 31, the display unit 32a is built into the upper surface, and the storage space 32b is formed on one side thereof inward. A keypad 33 is detachably seated at 32b, and a transmitter 33a for transmitting a voice signal is formed below the keypad 33. A button part 34 for attaching and detaching the keypad part 33 seated in the storage space 32b is configured, and a ball mouse 35 is formed to protrude on one side of the main body 32 to select a menu.

An operation process of the triple folder type terminal according to the conventional technology will be described.

First, when the flip 31 is in close contact with the main body 32 of the triple clamshell terminal 30, when a call is received, the user schedules the folder 31 on the main body 32 in the same way as a general clamshell terminal. After the angular separation, if the transmission and reception unit 33a (31b) is in close contact with the user's face it is possible to make a call.

On the other hand, when the call is ended, the call is terminated by pressing the end button of the keypad 33, or the folder 31 is rotated by a predetermined angle to close the body 32 to terminate the call.

In addition, when sending a text message through the triple foldable terminal, the button 34 is pressed. At this time, the keypad 33 is moved to the outside through the storage space 32b of the main body 32 and is fixed to the end of the storage space 32b, and the user selectively uses one display unit 32a or Alternatively, text messages can be sent by using two display units 31a and 32a simultaneously. When a typo is found in the text message and the cursor is moved, the position can be changed by using the ball mouse 35. After modifying, you can send a text message.

However, the triple folder type mobile communication terminal according to the related art has a problem in that it is inconvenient for a user because transmission and reception are possible only by opening a folder unit like a general folder type terminal.

In addition, the conventional tri-foldable terminal, the size of the keypad member is small and the thickness is not only inconvenient to the user, but also easily broken can be broken, there is a problem that can not implement high-quality sound due to the speaker unit.

Accordingly, the present invention has been proposed to solve the above problems, and the triple folder that can improve the multimedia function by installing a large size display unit in the main body having a keypad module that is provided to be expandable on the folder portion and the upper surface Its purpose is to provide a mobile terminal.

In addition, another object of the present invention is to provide a triple clamshell mobile communication terminal which can increase the convenience of use by enabling a call even when the folder is not opened.

In addition, the present invention provides a relatively large display portion in the main body portion, and a smaller display portion in the folder portion, and by installing two speakers in the space secured thereby to enjoy multimedia and the like in stereo sound quality It is another object to provide a triple clamshell mobile communication terminal.

1 is a perspective view of a typical flip terminal.

2 is a perspective view of a general folding type terminal.

Figure 3 is a perspective view of a triple clamshell terminal according to the prior art.

Figure 4 is a perspective view showing a closed state three-fold clamshell mobile communication terminal according to the present invention.

Figure 5 is a perspective view showing a state in which the three-fold clamshell mobile earthen terminal according to the invention unfolded.

Figure 6 is a perspective view showing a state in which the keypad member is expanded in a closed state triple clamshell mobile communication terminal according to the present invention.

Figure 7 is a perspective view showing a state in which the keypad member is expanded in a three-fold clamshell mobile communication terminal in the unfolded state.

Figure 8 is a front sectional view showing a state in which the main body and the keypad module of the triple clamshell mobile communication terminal according to the present night.

9A and 9B are cross-sectional views illustrating the configuration of a cap module unit of a triple clamshell mobile communication terminal according to the present invention, respectively illustrating states of flexible cables before and after sliding movement of a keypad module unit.

10A and 10B are enlarged views of portions A and B of FIGS. 9A and 9B.

11A and 11B illustrate a structure of a lock kill means unit constituting a triple clamshell mobile communication terminal according to the present invention.

12A to 12C are enlarged views of portions C, D, and E of FIGS. 11A and 11B, respectively.

Explanation of symbols on the main parts of the drawings

100: folder portion 110, 120, 210: display portion

130: 1-way 2-mode speaker 141, 142: speaker

200: main body 220: main board

230: guide groove 300: keypad module

310: case 320: button ball

340: flexible cable 350: keypad substrate

370: guide protrusion 380: microphone

390: wrinkle knob 410: projection

420: elastomer 430: receiving groove

421: cap 422: spring

423: stopper

In order to achieve the above object, the present invention, the folder portion having a display unit on one or more sides; A main body part hinged to the folder part with one end as an axis, having a display part on an upper surface thereof, and a main board installed thereon; A keypad module which slides on the main body portion; Guide means for allowing the keypad module to slide in the main body; And a stopper means for fixing the keypad module to be supported and fixed at a predetermined point of the main body.

A speaker is provided on one side of the outer surface of the folder portion, and a pair of speakers provided with a stereo function is provided on one side of the inner surface.

The keypad module has a case formed with a plurality of button holes for the operation button is installed on the upper surface; A keypad board provided inside the case and connected to the main board of the main body unit via a flexible cable; A switch dome provided between the operation button and the keypad substrate; And a microphone formed at one side of the case lower part.

The guide means includes guide grooves formed on both sides of the main body portion; And guide protrusions formed integrally bent at both ends of the keypad module to slide along the guide groove.

The stopper means includes a protrusion protruding from one side of the guide groove; An elastic body formed on the other side of the guide groove and movable to elastically press the guide protrusion; And a receiving groove formed in the guide protrusion.

The objects, features and advantages of the present invention described above will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

4 is a perspective view illustrating a closed state of a triple clamshell mobile communication terminal according to the present invention, and FIG. 5 is a perspective view illustrating an unfolded state of a triple clamshell mobile communication terminal according to the present invention. 6 is a perspective view illustrating a state in which the keypad member is expanded in a closed state of the triple clamshell mobile communication terminal according to the present invention, and FIG. 7 is an extension of the keypad member in the unfolded state of the triple clamshell mobile communication terminal according to the present invention. Figure 8 is a perspective view showing a state, Figure 8 is a front sectional view showing a state in which the main body and the keypad module of the triple clamshell mobile communication terminal according to the present night.

As shown in the figure, the triple clamshell mobile communication terminal according to the present invention comprises: a folder unit 100 having a display unit 110, 120 on its inner or inner surface; A main body portion 200 which is hinged to the folder portion 100 on one end thereof, having a display portion 210 on an upper surface thereof, and having a main substrate 220 (see FIG. 11B); A keypad module 300 which slides on the main body 200; Guide means for allowing the keypad module 300 to slide in the main body 200; And a stopper means for fixing the keypad module 300 to be locked at a predetermined point of the main body 200.

One side of one side of the folder unit 100 is provided with a 1 way 2 mode speaker 130, and one side thereof has a pair of speakers 141 and 142 that provide a stereo function.

The main body 200 is provided with a display unit 210 on the upper surface, the display unit 210 is formed relatively larger than the display unit 110, 120 of the folder unit 100. In other words, the size of the display unit 210 of the main body 200 is preferably formed by considering the keypad module 300 slidingly moving on the main body 200 up to a point corresponding to the movement completion point.

The keypad module 300 will be further described with reference to FIGS. 9A to 10B as follows. 9A and 9B are cross-sectional views illustrating the configuration of a cap module unit of the triple clamshell mobile communication terminal according to the present invention, and illustrating the state of the flexible cable before and after sliding movement of the keypad module unit, respectively. 10A and 10B are enlarged views of portions A and B of FIGS. 9A and 9B.

As shown in the figure, the keypad module 300 is provided with a case 310 and a case 310 formed with a plurality of button holes 320 for installing the operation button 330 on the upper surface, A keypad 350 connected to the main board 220 of the main body 100 via a flexible cable 340, and a switch dome 360 provided between the operation button 330 and the keypad board 350. ), And a microphone 380 formed at one side of the lower portion of the case 310.

In addition, both sides of the case 310 is provided with a pleat knob 390 protruding to a certain extent in the lateral direction to facilitate the withdrawal of the keypad module 300.

Here, the flexible cable 340 is connected to the main substrate 220 of the main body 200 through the opening 311 open to one surface of the case 310. In this case, the opening length of the opening 311 is formed to have a size L (see FIG. 12A) corresponding to the distance that the keypad module 300 moves on the main body 200.

The guide means, the guide groove 230 formed on both sides of the main body portion 200, and the guide protrusion to be formed integrally bent at both ends of the keypad module 300 to slide along the guide groove 230 ( 370).

The stopper means will be described with reference to FIGS. 11A to 12C as follows. 11A and 11B illustrate a configuration of a lock kill means unit constituting a triple clamshell mobile communication terminal according to the present invention. 12A to 12C are enlarged views of C, D, and E portions of Figs. 11A and 11B, respectively.

As shown in the figure, the stopper means, a protrusion 410 protruding from one side of the guide groove 230 formed in the main body 200, and formed on the other side of the guide groove 230, the keypad module An elastic body 420 provided to be movable in elastic contact with the guide protrusion 270 formed at 300, and a receiving groove 430 formed at the guide protrusion 370 formed at the keypad module 300.

The elastic body 420 is, for example, a cylindrical cap 421 having a space therein and closed at one end thereof, and a spring 422 positioned in the inner space of the cap 421 to provide elastic force to the cap 421. And a stopper 423 supporting one end of the spring 422.

Here, one end of the protrusion 410 and the cap 421 in contact with the guide protrusion 270 formed on the keypad module 300 is preferably formed in a round shape. This is to allow the keypad module 300 to be smoothly seated and detached in the receiving groove 430 of the keypad module 300 when the sliding movement.

The operation of the three-fold mobile terminal according to the present invention configured as described above will be described.

First, in the state in which the folder part 100 is closed to the main body part 200 as shown in FIG. 4, the protrusion 410 is seated in the receiving groove 430 of the guide protrusion 370, as shown in FIG. 11A, and the cap 420. ) Is a state in which the spring 422 is in elastic contact with the guide protrusion 370.

In such a state, when a call is received, the user grasps the corrugation knobs 390 provided on both sides of the keypad module 300 and pulls them out in the longitudinal direction of the terminal. The guide protrusion 370 of the keypad module 300 is Sliding on the main body 200 along the guide groove 230 of the main body 200.

At this time, the projection 410 of the guide groove 230 of the main body 200, as shown in Figure 11b is detached from the receiving groove 430 of the guide projection 370, when reaching the final moving point to the guide projection 370 The cap 421 that was in elastic contact is seated in the receiving groove 430. At the same time, the flexible cable 340 connecting the substrate 350 of the keypad module 300 and the main substrate 220 of the main body 200 is the case 310 of the keypad module 300 as shown in FIGS. 9A and 9B. It extends without interference through the opening 311 of).

As described above, the keypad module 300 is drawn out in a state in which the folder unit 100 is closed to the main body unit 200, and the speaker 130 and the keypad module 300 provided at one side of the folder unit 100 are provided at one side of the lower side of the keypad unit 300. The call is made through the microphone 380.

On the other hand, when the call is terminated, the end of the call by pressing the end button of the keypad module 300, the keypad module 300 is re-introduced by the withdrawal operation and the reverse operation of the keypad module 300.

That is, when the keypad module 300 is moved in the opposite direction to the drawing, the cap 421 seated in the receiving groove 430 of the guide protrusion 370 at the final point where the keypad module 300 is moved is the receiving groove 430. ), And the protrusion 410 of the guide groove 230 is seated in the receiving groove 430 of the guide protrusion 370 in the first ground.

At this time, the cap 421 is a state in which the elastic force is applied to the guide protrusion 370 by the spring 422.

In addition, when the folder unit 100 is to be used without drawing the keypad module 300 in a state in which the main body 200 is unfolded, the folder unit 100 is used in the same manner as a general folding type terminal. When the keypad module 300 is to be drawn out and used in the unfolded state of the main body 200, the keypad module 300 is drawn out using the keypad module 300 drawing operation.

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and various substitutions, modifications, and changes are possible in the art without departing from the technical spirit of the present invention. It will be clear to those of ordinary knowledge.

According to the present invention as described above, the present invention provides a large size display unit in the main body having a folder unit and a keypad member that is expandably provided on the upper surface to improve the multimedia function and at the same time without opening the folder unit There is an effect made possible.

In addition, the present invention provides a relatively large display portion in the main body portion, and a smaller display portion in the folder portion, thereby providing two speakers in the secured space to enjoy multimedia and the like in stereo sound quality There is one effect.

Claims (8)

A folder unit having a display unit on at least one surface; A main body part hinged to the folder part with one end as an axis, having a display part on an upper surface thereof, and a main board installed thereon; A keypad module which slides on the main body portion; Guide means for allowing the keypad module to slide in the main body; And Stopper means for fixing the keypad module to be supported and fixed at a predetermined point of the body portion Triple clamshell mobile communication terminal comprising a. The method of claim 1, A speaker is provided at one side of the outer surface of the folder, and a pair of speakers is provided at one side of the inner surface to provide a stereo function. Triple clamshell mobile communication terminal. The method of claim 1, The keypad module A case having a plurality of button holes formed on an upper surface of the operation button; A keypad board provided inside the case and connected to the main board of the main body unit via a flexible cable; A switch dome provided between the operation button and the keypad substrate; And It includes a microphone formed on one side of the lower case Triple clamshell mobile communication terminal. The method of claim 3, One side of both sides of the case is provided with a wrinkle knob protruding to a predetermined degree Triple clamshell mobile communication terminal. The method of claim 1, The guide means Guide grooves formed at both sides of the main body; And It is formed integrally bent at both ends of the keypad module is made of a guide protrusion for sliding along the guide groove Triple clamshell mobile communication terminal. The method according to claim 1 or 5, The stopper means A protrusion protruding from one side of the guide groove; An elastic body formed on the other side of the guide groove and movable to elastically press the guide protrusion; And Consists of a receiving groove formed in the guide protrusion Triple clamshell mobile communication terminal. The method of claim 6, The elastic body is A cylindrical cap having a space therein and one end closed; A spring positioned in the inner space of the cap to provide an elastic force to the cap; And Comprising a stopper for supporting one end of the spring Triple clamshell mobile communication terminal. The method according to claim 5 or 7, One end of the projection and the cap in contact with the guide projection is made in a round shape Triple clamshell mobile communication terminal.