KR100829255B1 - Mobile terminal having swivel key pad - Google Patents

Abstract

The present invention is a terminal body provided with a main printed circuit board; A display window; A keypad mounted on an upper surface of the terminal body; A swivel hinge for swivelably connecting said keypad to said terminal body; A keypad printed circuit board provided inside the keypad; It relates to a mobile terminal having a swivelable keypad, characterized in that it comprises a connecting line for connecting the main printed circuit board and the keypad printed circuit board through the swivel hinge.

Double-sided keypad, swivel hinge, 2-axis rotation, magnetic force generating part, sensor part

Description

Mobile terminal with swivelable keypad {MOBILE TERMINAL HAVING SWIVEL KEY PAD}

1 is a side view of Embodiment 1;

2 is a perspective view of Embodiment 1;

Fig. 3 is a schematic plan view of the keypad with the upper key button exposed in the first embodiment;

4 and 6 are schematic plan views of the keypad with the lower key button exposed in the first embodiment;

5 is an operation diagram of Embodiment 1. FIG.

7 is a schematic perspective view of Embodiment 2. FIG.

<Description of the symbols for the main parts of the drawings>

100: terminal body 110: swivel hinge

120: folder hinge 130: sensor

200: Folder 210: Display window

300: A keypad 310: A top key button

320: when the key button 330: magnetic generation unit

1000: terminal body 1130: swivel hinge

1210: display window 1300: keypad

The present invention relates to a mobile terminal having a keypad, and more particularly, to implement key buttons on both sides of the keypad, and to invert the upper and lower surfaces of the keypad by swivelably connecting the keypad having such a key button to the terminal body. The swivelable keypad can be related to a mobile terminal.

The mobile terminal is largely classified into a flip type and a folding type mobile terminal according to its appearance. The flip type is to open and close only a part of the terminal body having the input key button by flipping the display window is exposed to the outside, the folding type is to have a folder that is a cover part for opening and closing the entire upper surface of the mobile terminal.

On the other hand, in the folding type mobile terminal, the folder is rotated around the hinge provided on the upper end of the terminal main body in the lateral direction of the terminal main body, and the folder slides with respect to the upper surface of the terminal main body. There is thing to open and close.

In addition to this, there is a so-called swivel type mobile terminal that has a high preference in the recent years. The swivel type mobile terminal allows the folder with the display window to be rotated freely with respect to the terminal body in both the longitudinal and the lateral directions. It is more advantageous for enjoying TV, watching movies or playing games in addition to the normal telephone call. Have

However, conventionally released mobile terminals are all formed with a conventional telephone keypad provided with input buttons for entering numbers and function buttons for searching various menus.

Therefore, when playing a game using such a keypad or inputting and editing a document, the number of key buttons is limited, so that a user cannot enjoy a game that requires a large number of key buttons or enter and edit a document. there was.

The present invention is to provide a mobile terminal providing a more convenient interface to the user by implementing a key button on both sides of the keypad.

The present invention is a terminal body provided with a main printed circuit board; A display window; A keypad mounted on an upper surface of the terminal body; A swivel hinge for swivelably connecting said keypad to said terminal body; A keypad printed circuit board provided inside the keypad; It relates to a mobile terminal having a swivelable keypad, characterized in that it comprises a connecting line for connecting the main printed circuit board and the keypad printed circuit board through the swivel hinge.

In the present invention; The display window is provided on an upper surface of the terminal body; The swivel hinge is provided at a lower end of the display window; The keypad includes a top key button and a rear key button on the top and bottom; The keypad printed circuit board has upper and lower signal terminals corresponding to the upper and lower key buttons on both sides of the keypad printed circuit board; The keypad is provided with a magnetic force generating portion; The terminal body is provided with a sensor unit for detecting the magnetic force generating unit for generating a detection signal; The main printed circuit board may include a controller for activating only one of the upper signal terminal and the lower signal terminal according to the sensing state of the sensor unit.

In the present invention; The display window is provided in a folder which opens and closes the terminal body; The swivel hinge is provided on an upper surface of the terminal body; The keypad includes a top key button and a rear key button on the top and bottom; The keypad printed circuit board has upper and lower signal terminals corresponding to the upper and lower key buttons on both sides of the keypad printed circuit board; The keypad is provided with a magnetic force generating portion; The terminal body is provided with a sensor unit for detecting the magnetic force generating unit for generating a detection signal; The main printed circuit board may include a control unit for activating only one of the upper signal terminal and the lower signal terminal according to the sensing state of the sensor unit.

In the present invention; The upper key button is a telephone key button; The key button is also a game key button.

In the present invention; The upper key button is a telephone key button; The key button is also a key button for character input.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.

Example 1

Embodiment 1 relates to a folding mobile terminal.

FIG. 1 is a side view of Embodiment 1, FIG. 2 is a perspective view of Embodiment 1, FIG. 3 is a schematic plan view of a keypad with the upper key button of Embodiment 1 exposed, and FIGS. 4 and 6 are bottom views of Embodiment 1 Fig. 5 shows a schematic plan view of a keypad with key buttons exposed, and Fig. 5 shows the operation of the first embodiment.

 1 and 2, Embodiment 1 has a terminal body 100 and a folder 200 that opens and closes the terminal body 100.

Referring to FIG. 2, the folder 200 is connected to the upper end of the terminal body 100 by a folder hinge 120 so as to be rotatable. The folder hinge 120 may be a conventional hinge, a swivel hinge, or a hinge for slidingly rotating the folder 200.

2, a folder 200 is provided with a display window 210.

1 and 2, a keypad 300 is provided between the terminal body 100 and the folder 200.

Referring to FIG. 2, the upper end of the keypad 300 is connected to the terminal body 100 by a swivel hinge 110. The swivel hinge 110 is located on the upper surface of the terminal body 100, and forms a folder hinge 120 and a stepped jaw and is located below the folder hinge 120 in the longitudinal direction of the terminal body 100. Therefore, in the state where the folder 200 is opened, the keypad 300 can be rotated by the swivel hinge 110 with a straight line in the longitudinal or transverse direction of the keypad 300 as the axis.

3 and 4, the keypad 300 includes an upper key button 310 on an upper surface thereof and a lower key button 320 on an lower surface thereof. The upper key button 310 is a normal telephone key button for making a call, and the lower key button 320 is a game key button for enjoying a game. That is, the keypad 300 is provided with key buttons on both sides, and the user rotates the keypad 300 by the swivel hinge 110, so that the upper or lower surface of the keypad 300 is on the upper surface of the terminal body 100. The exposure can be settled.

Meanwhile, a keypad printed circuit board (not shown) is provided inside the keypad 300. Signal terminals are formed on both sides of the keypad printed circuit board (not shown). That is, an upper signal terminal (not shown) corresponding to each of the upper key buttons 310 is formed on the upper surface of the keypad printed circuit board (not shown), and the lower key button (not shown) on the lower surface of the keypad printed circuit board (not shown). 320, corresponding lower surface signal terminals (not shown) are formed.

On the other hand, signal lines are formed on the upper signal terminal (not shown) and the lower signal terminal (not shown). However, when the signal line is formed only on the upper signal terminal (not shown), the lower signal terminal (not shown) is formed by forming a through hole in the keypad printed circuit board (not shown). The signal line corresponding to this can be formed.

On the other hand, the terminal main body 100 is formed with a main circuit element for the operation of the mobile terminal and a circuit line connecting them. That is, in order to enable signal input by the upper key button (not shown) and the lower key button (not shown), the upper signal terminal (not shown) and the lower signal terminal (not shown) may be connected to the main printed circuit board (not shown). Electrical connection with a circuit line (not shown).

Therefore, Embodiment 1 has a connection line (not shown) for electrically connecting the signal line of the keypad printed circuit board and the circuit line of the terminal body 100. The connecting line (not shown) is connected to the main printed circuit board (not shown) via the swivel hinge 110 and the other side is connected to the keypad printed circuit board (not shown). Thus, the swivel hinge 110 is formed with the access passage of the connecting line (not shown).

On the other hand, the connection line (not shown), it is preferable to use a flexible printed circuit board or coaxial cable.

2, 3, and 4, the keypad 300 is provided with a magnetic force generator 330. The magnetic force generating unit 330 is provided on the right side of the upper key button 310 based on the case where the upper surface of the terminal main body 100 is exposed. Magnetic force generating unit 330 is preferably a permanent magnet.

2, 3, and 4, a sensor unit 130 is installed in the terminal body 100. The sensor unit 130 may be mounted on a main printed circuit board (not shown). When the upper key button 310 is exposed to the upper surface of the terminal body 100, the sensor unit 130 may move upward and downward with the magnetic force generating unit 330. It is provided to overlap. The sensor unit 130 detects the magnetic force generating unit 330 and generates a detection signal.

Meanwhile, the main printed circuit board (not shown) controls only one of the upper signal terminal (not shown) or the lower signal terminal (not shown) according to the sensing state of the sensor unit 130 (not shown). Has

That is, when the sensor unit 130 is configured to generate an on signal when detecting a magnetic force above a certain level and an off signal when detecting a magnetic force below that level, the controller (not shown) Only the upper signal terminal (not shown) is activated at the time of the on signal and the lower signal terminal (not shown) is activated at the time of the off signal.

Hereinafter, the operation of the first embodiment described above will be described.

Referring to FIG. 1, a keypad 300 is positioned on an upper surface of a terminal body 100, and a folder 200 is covered on a keypad 300. In this case, the keypad 300 is placed so that the upper key button 310 is exposed when the folder 200 is opened.

Therefore, since the control unit (not shown) activates only the top signal terminal (not shown), when the folder 200 is opened, the user clicks the top key button 310 to make a call, or the other top key button 310. The implemented function can be performed.

Referring to FIG. 2, a case in which the key button 320 is exposed to the upper surface of the terminal body 100 will be described.

Referring to FIG. 2, first, the upper end of the keypad 300 is lifted by the swivel hinge 110 with the lower end of the keypad 300 as an axis, and then the keypad ( After rotating 300 by inverting, the upper key button 310 is exposed by contacting the upper end of the keypad 300 with the upper surface of the terminal main body 100 with the upper end of the keypad 300 as an axis through the swivel hinge 110. It is enshrined.

A process of activating the upper signal terminal (not shown) and the lower signal terminal (not shown) will be described with reference to FIG. 5.

Referring to FIG. 5, the first upper key button 310 is exposed and in this case, the controller (not shown) activates only the upper signal terminal (not shown) (S10), so that the lower key button 320 is Even if it is pressed, no malfunction occurs.

Referring to FIG. 5, the controller (not shown) determines whether the keypad 300 is rotated (S11), and when the keypad 300 is rotated, it determines whether an off signal is generated from the sensor unit 130. (S12)

Referring to FIG. 5, when an off signal is generated from the sensor unit 130, the controller (not shown) activates the lower signal terminal (not shown) and deactivates the upper signal terminal (not shown). (S13)

Referring to FIG. 5, S20 represents a state in which a lower key button 320 is exposed to an upper surface of the terminal body 100. In this case, since only the bottom signal terminal (not shown) is activated, the user may easily input and edit the text by clicking the key button 320 when the button is a text input button.

Referring to FIG. 5, the controller (not shown) determines whether the keypad 300 is rotated (S21), and when the keypad 300 is rotated, it determines whether an on signal is generated from the sensor unit 130. (S22)

Referring to FIG. 5, when an on signal is generated from the sensor unit 130, the controller (not shown) activates the upper signal terminal (not shown) to deactivate the signal terminal (not shown). (S23)

Referring to FIG. 5, S30 represents a state in which the upper key button 310 is exposed to the upper surface of the terminal body 100.

Embodiment 1 implements the upper key button 310 and the lower key button 320 on both sides of the keypad 300, thereby providing a more convenient interface to the user. In other words, as the number of key buttons increases, a variety of convenient services can be provided by providing a plurality of key buttons in contact with different signal terminals.

For example, as illustrated in FIG. 6, when the key button 320 is a game key button, a plurality of key buttons are provided to perform various operations, thereby providing a mobile terminal suitable for a game requiring more complicated operation. It will be possible.

In the first embodiment described above, the swivel hinge 110 is located at the upper end of the keypad 300, but in another embodiment, the swivel hinge 110 may be located at the lower end of the keypad 300.

Example 2

Example 2 relates to a bar type mobile terminal.

7 shows a schematic perspective view of Embodiment 2. FIG.

Referring to FIG. 7, Embodiment 2 has a terminal body 1000. The display window 1210 is provided on an upper surface of the terminal body 1000.

Referring to FIG. 7, a keypad 1300 is provided on an upper surface of the terminal body 1000. The keypad 1300 is implemented at the bottom of the display window 1210. Keypad 1300 is provided with a key button (not shown) on the upper and lower surfaces, respectively, which is the same as the first embodiment, and will not be described.

Referring to FIG. 7, the upper end of the keypad 1300 is connected to the terminal body 1000 by a swivel hinge 1110. Therefore, since the keypad 1300 can rotate the horizontal and longitudinal straight lines of the terminal body 1000 in the axial line, the keypad 1300 can reverse the upper and lower surfaces of the keypad 1300.

The second embodiment is similar to the first embodiment, the main printed circuit board (not shown) provided in the terminal body 1000, the keypad printed circuit board (not shown) provided in the keypad 1300, the main printed circuit board (Not shown) and a connection line connecting the keypad printed circuit board (not shown), a magnetic force generating unit (not shown) provided in the keypad 1300, and a sensor unit (not shown) provided in the terminal body 1000. ), And the description thereof is omitted according to Example 1.

In the second embodiment, the keypad is implemented on both sides of the key button, but in the other embodiment, the key button may be implemented on only one surface. In this case, the keypad printed circuit board also has a signal terminal and a signal line formed on only one surface, the keypad may be to open and close all of the upper surface of the main body of the mobile terminal.

The present invention has the advantage that the user can be provided with a more convenient interface by implementing the upper key button and the lower key button on both sides of the keypad. That is, by implementing a plurality of game key buttons or character input key buttons on the back of the key button, it is equipped with a button key to perform a variety of functions to edit documents more conveniently, or enjoy a game that requires a variety of key buttons There is an advantage to be able to.

Claims (5)

A terminal body provided with a main printed circuit board, Display window, A keypad mounted on an upper surface of the terminal body; A swivel hinge for connecting the keypad to the terminal body to enable bidirectional rotation including a longitudinal direction and a transverse direction; A keypad printed circuit board provided in the keypad; And a connecting line for connecting the main printed circuit board and the keypad printed circuit board to the circuit board via the swivel hinge. The method of claim 1, The display window is provided on the upper surface of the terminal body, The swivel hinge is provided at the lower end of the display window, The keypad has a top key button and a rear key button is implemented on the top and bottom, The keypad printed circuit board has upper and lower signal terminals corresponding to the upper and lower key buttons on both sides of the keypad printed circuit board, The keypad is provided with a magnetic force generation portion, The terminal body is provided with a sensor unit for generating the detection signal by detecting the magnetic force generating unit, And the main printed circuit board has a control unit for activating only one of the upper signal terminal and the lower signal terminal according to the sensing state of the sensor unit. The method of claim 1, The display window is provided in a folder for opening and closing the terminal body, The swivel hinge is provided on the upper surface of the terminal body, The keypad has a top key button and a rear key button is implemented on the top and bottom, The keypad printed circuit board has upper and lower signal terminals corresponding to the upper and lower key buttons on both sides of the keypad printed circuit board, The keypad is provided with a magnetic force generation portion, The terminal body is provided with a sensor unit for generating the detection signal by detecting the magnetic force generating unit, And the main printed circuit board has a control unit for activating only one of the upper signal terminal and the lower signal terminal according to the sensing state of the sensor unit. The method of claim 3, The upper key button is a key button for phone, The bottom key button is a mobile terminal having a swivelable keypad, characterized in that the key button for the game. The method of claim 3, The upper key button is a key button for phone, The bottom key button is a mobile terminal having a swivelable keypad, characterized in that the key button for character input.

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