KR20020074389A - Portable telephone with variable data inputting - Google Patents

Abstract

PURPOSE: A terminal having an exchangeable data input device is provided to be easily operated by composing an exchangeable housing and exchanging the exchangeable housing according to selection. CONSTITUTION: The first and second opposite hinges are symmetrically located on a holding housing(20), and the holding housing(20) has a sliding surface with a certain curvature radius at a separated distance centering around the first and second hinges. The holding housing(20) is mounted and dismounted in a main housing(10). An exchangeable housing(30) has the first and second rotation sub housings. If the first and second rotation sub housings are closely rotated each other, the first and second rotation sub housings are gradually hidden in the main housing(10). If the first and second rotation sub housings are distantly rotated each other, the first and second rotation sub housings are gradually unfolded at both sides of the main housing(10).

Description

PORTABLE TELEPHONE WITH VARIABLE DATA INPUTTING}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable terminal, and more particularly, to a portable terminal having a stand and a removable data input device. .

Generally, a portable terminal such as a cellular telephone refers to a portable device that provides a wireless communication service to a user while performing wireless communication with a base station. These portable terminals are divided into a bar-type, a flip-type, a folder-type terminal, and the like, and a wrist-type according to a wearing position. ) Or a necklace wearable-type terminal. The portable terminal may be classified into a voice communication, a video communication or an internet communication terminal depending on its function, and may be additionally used for a game or an MP3.

Currently, bar-type, flip-type, or folder-type terminals are generally used in consideration of portability. However, in the future, it is expected that a portable terminal adopting a variety of wearing methods or a portable terminal with more various functions will be mainstream in order to cope with wearing convenience or various multimedia environments.

In general, a general structure of a conventional portable terminal, for example, a folder-type terminal is as follows. Conventional folder-type terminals are roughly classified into hinge means for opening and closing the main housing, the folder, and the main housing and the folder to a call angle. Of course, the data input means may be located in the main housing, the data output means may be located in the folder, the data output means may be located in the main housing, and the data input means may be located in the folder. In addition, the microphone device is located in the main housing, and the speaker is located in the folder.

As a data input means of a conventional portable terminal, in particular, a portable cellular telephone, a conventional keypad consisting of a plurality of keys is used, and the data output means uses an LCD. In addition, a touch screen or a touch pad may be used as the data input means. In order to reduce the size and weight of the cellular terminal, components such as a data input / output means and a handset are formed in one body.

However, current portable terminals are lighter and smaller, but when the body of the portable terminal is miniaturized, the LCD and the keypad must be miniaturized at the same time. When the miniaturized LCD is small, it is not easy to check the displayed data. There is a problem that the operation is not easy. Therefore, it is a reality that such technical difficulties are limited to the miniaturization of current portable terminals. At the same time, miniaturization of portable terminals for two purposes, the LCD and the keypad has become a difficult problem to solve the same size at the same time.

Moreover, at the present time, when a complicated data input is required, that is, the Internet communication or e-mail transmission has become common, there is a demand for a portable terminal that is convenient for use in internet communication or e-mail transmission using a portable terminal.

Moreover, in using various functions according to the multimedia environment of a mobile phone, the conventional terminal has a limitation in usability. For example, in the case of playing a game using a conventional portable terminal, by using the function keys necessary for the game on an existing keypad, the eyes and fingers are overwhelmed or physical or psychological fatigue is provided.

In addition, the conventional portable terminal is too small to perform various functions, and the mobile phone body has a minimum size, which is inconvenient to use.

Accordingly, an object of the present invention is to provide a terminal capable of providing a data input device that can be spread in a wing shape.

Another object of the present invention is to provide a terminal that can replace the keypad housing in accordance with a function such as a game, chat or MP3.

Another object of the present invention is to provide a terminal having a keypad housing that can be unfolded simultaneously.

The terminal according to the present invention to achieve the above objects

(a) a bar main housing;

(b) the first and second hinges facing each other are symmetrically positioned in a protruding shape, and include sliding surfaces having a predetermined radius of curvature at a distance spaced from the first and second hinges, A holding housing detachable; And

(c) When one side is connected to each of the first and second hinges and rotates closer to each other, the first and second hinges are gradually hidden in the main housing, and when rotated away from each other, each wing is gradually spread to both sides of the main housing. It is composed of an exchangeable housing composed of bar-shaped first and second rotatable sub-housings.

1 is a perspective view showing a state in which the main housing is coupled to the interchangeable housing according to an embodiment of the present invention.

2 is a plan view of FIG.

3 is a bottom view of FIG. 2.

Figure 4 is a perspective view showing a state in which the main housing is mounted on the interchangeable housing according to an embodiment of the present invention.

Figure 5 is a plan view showing the configuration of the engagement means applied to the interchangeable housing according to a preferred embodiment of the present invention.

Figure 6 is a plan view showing a cut part of the magnet mounted on the bottom of the main housing according to the present invention.

7A is a plan view showing a folded interchangeable housing according to a first preferred embodiment of the present invention.

7B is a plan view showing an interchangeable housing unfolded in the letter "V" in accordance with the first preferred embodiment of the present invention.

Figure 8c is a plan view showing a state in which the interchangeable housing is mounted to the main housing in the first preferred embodiment of the present invention.

8A is a plan view showing a folded interchangeable housing according to a second preferred embodiment of the present invention.

8B is a plan view showing an interchangeable housing unfolded in the letter "V" in accordance with a second preferred embodiment of the present invention.

Figure 8c is a plan view showing a state in which the interchangeable housing according to the second embodiment of the present invention is mounted on the main housing.

9A is a plan view showing a folded interchangeable housing according to a third preferred embodiment of the present invention.

9B is a plan view illustrating an interchangeable housing unfolded in the letter "V" in accordance with a third preferred embodiment of the present invention.

Figure 9c is a plan view showing a state in which the interchangeable housing according to the third embodiment of the present invention is mounted on the main housing.

Figure 10 is a plan view showing a part of the rotation angle adjustment device employed in the holding housing including the interchangeable data input device of the terminal according to the present invention.

11 is a side cross-sectional view of FIG. 10.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention. In describing the present invention, detailed descriptions of related well-known functions or configurations are omitted in order not to obscure the subject matter of the present invention.

As shown in FIG. 1, FIG. 2, the terminal according to the present invention includes a bar-shaped main housing 10, a holding housing 20 detachable from the main housing 10, and a holding housing 20, respectively. It consists of an exchangeable housing 30 that can be connected to rotate in a direction closer to or farther from each other. The terminal according to the present invention can be used as a mobile phone of a main housing size that is simple and convenient for carrying a call, and has additional functions such as a game, chat or e-mail or MP3 (MP3: Music Player 3). It should be noted that when using the interchangeable housing 30 can be used to expand each side (arrow ① direction). At this time, the main housing 10 and the interchangeable housing 30 are signal transmission using a Bluetooth module that is a contact means or a short-range wireless communication means with each other.

The main housing 10 includes a large LCD 10 located at the center of the upper surface 10a, a speaker 11 positioned above the large LCD 12, and a microphone positioned below the large LCD 12. And a scroll key 13 and a control button 14 positioned between the large LCD 12 and the microphone 15. In addition, at least one key (K) is also provided on the side of the main lower side (10).

As shown in FIG. 3, the interchangeable housing 30 of the terminal according to the present invention comprises first and second rotatable sub-housings 31 and 32, and the first and second rotatable sub-housings 31. , 32 is provided with a mounting means to mount the main housing 10 in the inclined direction on the bottom, that is, each bottom surface (31a, 32a). The mounting means refers to a support device capable of mounting the main housing 10 to the interchangeable housing 30 inclined at a predetermined angle. The support device consists of respective pedestals 33 and 34 and receiving recesses 33a and 34a in which the pedestals 33 and 34 are safely received. When the respective pedestals 33 and 34 are located at the receiving recesses 33a and 34a, the interchangeable housing 30 cannot mount the main housing 10 in the inclined direction. On the other hand, as shown in Figure 4, by rotating the pedestal 33, 34 at a predetermined angle to support the interchangeable housing 30 in the inclined direction, the main housing 10 is exchangeable in the inclined direction It can be mounted on the housing 30.

As shown in FIG. 5, the holding housing 20 has first and second hinges H1 and H2 positioned symmetrically, respectively. The holding housing 20 has a sliding surface S1 at an upper end thereof. The sliding surface S1 has a predetermined radius of curvature so as to rotate while performing surface contact with the sliding surface provided in the interchangeable housing 30.

At this time, the holding housing 30 has an engagement means so that the first and second sub housings 31 and 32 can rotate in a direction closer to each other or in a direction away from each other. The above mentioned engagement means is provided so that the first and second sub housings 31 and 32 can rotate together in a direction close to each other or rotate together in a direction away from each other. The engagement means is composed of first and second tooth parts 35 and 36 provided on one side of the first and second sub housings 31 and 32, respectively. The first tooth 35 engages with the second tooth 36. That is, when the first teeth 35 rotate in the counterclockwise direction, the second teeth 36 rotate in the clockwise direction. That is, the first and second rotatable sub-housings 31 and 32 rotate together in directions away from each other on both sides of the main housing 10 or rotate together in a direction toward each other. That is, when the first rotatable sub housing 31 is unfolded from the main housing 10, the second rotatable sub housing 32 is also expanded from the main housing. In addition, when the first rotatable sub-housing 31 is rotated to be hidden by the main housing, the second rotatable sub-housing 32 also rotates in a direction of close proximity.

In addition, the first and second rotatable sub-housings 31 and 32 have a shape extending in one direction, that is, a bar shape. At this time, one side of the first and second rotatable sub-housings 31 and 32 is located in the holding housing 20, and the other side thereof is located outside the holding housing 20.

5 and 6, the terminal according to the present invention is detachable from the main housing 10, the interchangeable housing 30. Detachable means for easily detaching the interchangeable housing 30 from the main housing 10 are as follows. The detachable means includes a magnet M mounted on the bottom surface 10b of the main housing 10 and a holding housing 20 made of a metallic material in contact with the magnet M. Since the magnet M and the metallic material have toughness, the holding housing 30 of the metallic material may be coupled or forcedly separated from the main housing 10. In this case, when the holding housing 20 made of a metallic material is coupled to the main housing 10, the coupling grooves 16 corresponding to the hinges H1 and H2 of the holding housing are formed in order to hold the coupling position. It is provided on the bottom surface. The coupling groove 16 corresponds to the hinges H1 and H2. Thus, the function of the coupling groove 16 and the hinge (H1, H2) to hold the coupling position, and provides a coupling force to the holding housing 20 and the magnet (M) of the metallic material.

Hereinafter, various embodiments according to the function of the interchangeable housing will be described with reference to the drawings.

7A to 7C show an interchangeable housing according to a first embodiment of the present invention. As shown in Figs. 7A to 7C, the interchangeable housing 40 according to the first embodiment of the present invention is for gaming. The interchangeable housing 40 is connected to the holding housing 20 described above and each of the hinges H1 and H2 provided in the holding housing 20 so as to be rotatable in a direction toward or away from each other. And first and second rotatable keypad housings 41 and 43. The first rotatable keypad housing 41 is provided with a plurality of keys 42 and a speaker S on the top 41a, and the second rotatable keypad housing 43 is a four-way key on the top 43a. 44 and a speaker S are provided. The holding housing 20 has a sliding surface S1 having a constant radius of curvature so as to slide with the first and second rotatable keypad housings 41 and 43. Therefore, as shown in FIG. 7C, the first and second rotatable keypad housings 41 and 43 are mounted on the bottom of the main housing 10 to play a game while viewing data displayed on the LCD 12 of the main housing. Perform. When the first and second rotatable keypad housings 41 and 43 are fully extended, they are placed in a wing shape as shown in FIG. 7B. Thus, the interchangeable housing 40 is convenient for key operation from the user's point of view.

8A to 8C show an interchangeable housing 50 according to a second embodiment of the present invention. 8A to 8C, the interchangeable housing 50 according to the second embodiment of the present invention is for MP3. The interchangeable housing 50 is connected to the holding housing 20 and each of the hinges H1 and H2 provided in the holding housing 20, respectively, and is rotatable in a direction toward or near to each other. And two rotatable keypad housings 51 and 53. The first rotatable keypad housing 51 is provided with a plurality of keys 52 and a speaker at an upper end 51a, and the second rotatable keypad housing 53 also has a plurality of keys 54 and a speaker S. Is provided. The holding housing 20 has a sliding surface S1 having a constant radius of curvature so as to slide with the first and second rotatable keypad housings 51 and 53. Accordingly, as shown in FIG. 8C, the first and second rotatable keypad housings 51 and 53 are mounted on the main housing 10 to play a game while viewing data displayed on the LCD of the main housing. When the first and second rotatable keypad housings 51 and 53 are fully extended, they are placed in a wing shape as shown in FIG. 8B. Thus, the interchangeable housing 50 is convenient for key operation from the user's point of view.

9A-9C show an interchangeable housing 60 according to a third embodiment of the present invention. As shown in Figs. 9A to 9C, the interchangeable housing 60 according to the third embodiment of the present invention is for chatting or e-mail transmission, which is wireless Internet communication. The interchangeable housing 60 is connected to each of the hinges H1 and H2 provided in the holding housing 20, respectively, so that the first and second rotatable keypad housings rotatable in a direction toward or away from each other ( 61,63). The first rotatable keypad housing 61 is provided with a plurality of keys 62 and a speaker S at an upper end 61a, and the second rotatable keypad housing 63 is provided with a plurality of keys at an upper end 63a. 64 and a speaker S are provided. In this case, the first and second rotatable keypad housings 61 and 63 are provided with more keys than those for gaming or MP3. This is because Internet wireless communication, that is, complicated data input such as various texts and phrases such as chatting or e-mail transmission is considered.

The holding housing 20 has a sliding surface S1 having a constant radius of curvature so as to slide with the first and second rotatable keypad housings 61 and 63. Accordingly, as shown in FIG. 9B, the first and second rotatable keypad housings 61 and 63 are mounted in the main housing 10 to perform chatting or email transmission while viewing data displayed on the LCD of the main housing. . When the first and second rotatable keypad housings 61 and 63 are fully extended, they are placed in a wing shape as shown in FIG. 9B. Therefore, the key operation is convenient from the user's point of view. As a result, the terminal according to the present invention can actively cope with various multimedia environments.

10 and 11 are views showing the configuration of the rotation angle adjusting device 70 provided in the holding housing 80 employed in the terminal according to the present invention. The holding housing 80 has a rotation angle adjusting device 70 that can adjust the opening and closing angles of the first and second sub-housings 72 and 74 as desired by the user. As shown in FIGS. 10 and 11, the rotation angle adjusting device 70 is provided in the first and second sub-housings 72 and 74 integrally, respectively, and is mounted in the holding housing to be engaged with each other. 76 and 78, first and second leaf springs 710 and 712 fixedly facing each other on the first and second gears 76 and 78, and fabrics of the first and second leaf springs 710 and 712 and the holding housing, respectively. The locking device may be provided between the front surfaces 80a to adjust rotation angles of the first and second sub housings 72 and 74.

The locking device has a first and second fixing protrusions 714 and 716 formed near the free ends of the first and second leaf springs 710 and 712, respectively, and have a predetermined diameter in the ceiling surface 80a of the holding housing. The first and second fixing protrusions 714 and 716 are provided as first and second fixing grooves 82 and 84 to be coupled or separated, respectively. The first and second fixing grooves 82 and 84 are provided in a hemispherical shape. Accordingly, when the first and second sub-housings 72 and 74 rotate in a direction away from each other, the engaged first and second gears 76 and 78 also rotate, and then the first and second leaf springs 710 and 712. Rotates together. When the first and second fixing protrusions 714 and 716 overlap the selected first and second fixing grooves 82 and 84, respectively, the first and second sub housings 72 and 74 may maintain a stopped state. For reference, the first and second leaf springs 710 and 712 are mounted to the first and second gears 76 and 78 in a force fitting manner. Also preferably, the first and second fixing protrusions 714 and 716 are also provided in a hemispherical shape to facilitate detachment.

According to whether the first and second sub housings 72 and 74 are opened or closed, the first and second gears 76 and 78 rotate within predetermined angles along the hinge axes located at the first and second hinge shafts 718 and 720, respectively. It is possible to move. Meanwhile, in the detailed description of the present invention, specific embodiments have been described, but it will be apparent to those skilled in the art that various modifications are possible without departing from the scope of the present invention. For example, it consists of two keypad housings of symmetry of the interchangeable housing according to the invention, but may consist of three or more keypad housings.

As described above, the terminal according to the present invention is provided with an exchangeable housing, and thus the operation is convenient by exchanging and using the exchangeable housing according to a selection. In addition, since the terminal according to the present invention can be carried by separating the main housing and the interchangeable housing, portability is improved, and the data input operation is convenient because the interchangeable housing can be unfolded into a wing shape.

Claims (14)

(a) a bar main housing; (b) the first and second hinges facing each other are symmetrically positioned in a protruding shape, and include sliding surfaces having a predetermined radius of curvature at a distance spaced from the first and second hinges, A holding housing detachable; And (c) When one side is connected to each of the first and second hinges and rotates closer to each other, the first and second hinges are gradually hidden in the main housing, and when rotated away from each other, the wings are gradually spread to both sides of the main housing. And a replaceable housing composed of bar-shaped first and second rotatable sub-housings. The rotatable sub housing of claim 1, wherein the rotatable sub housing is a gaming keypad housing, the rotatable sub housing includes a plurality of keys and a speaker, and the rotatable sub housing has a four-way key. And a speaker. The terminal of claim 1, wherein the first and second rotatable sub-housings have mounting means on their bottom surfaces, respectively, to mount the main housing. The terminal of claim 3, wherein the mounting means is configured to be rotatably opened and closed at the bottom of the interchangeable housing so as to mount the main housing in an inclined direction. The method of claim 1, wherein the main housing Large centrally located CD; A speaker located above the LCD; A microphone device located below the LCD; And And a scroll key positioned between the large LCD and the microphone device. The terminal of claim 1, wherein the interchangeable housing is an MP3 keypad housing, and the MP3 keypad housing includes at least one key and a speaker. The terminal of claim 1, wherein the interchangeable housing is a chat keypad housing, and the chat keypad housing has a key arrangement in which letters or numbers are arranged for two-hand typing. The method of claim 1, wherein the interchangeable housing further comprises an engagement means accommodated in the holding housing to be rotated simultaneously when the first, second rotatable sub-housing rotates closer to or away from each other. Terminal. The method of claim 8 wherein the engagement means is A first tooth portion provided at one end of the first sub housing to a predetermined length; And a second tooth portion provided at one end of the second sub housing with a predetermined length and engaged with the first tooth portion. The terminal of claim 1, wherein the holding housing is made of a metallic material. The terminal of claim 1, wherein the holding housing further comprises a rotation angle adjusting device for adjusting a rotation angle of the first and second sub housings. The method of claim 11, wherein the rotation angle adjustment device First and second leaf springs provided at one end of the first and second sub-housings located in the holding housing and fixed coaxially to the rotation shafts of the first and second sub-housings; First and second fixing protrusions provided at free ends of the leaf springs, respectively; And And at least one or more fixing grooves provided on the ceiling surface of the holding housing in an outer circumferential direction, the first and third fixing grooves being coupled or separated from each other. The terminal of claim 12, wherein the first and second fixing protrusions and the first and second fixing grooves are each formed in a hemispherical shape. The terminal of claim 12, wherein the first and second leaf springs are configured to face each other.