KR100838211B1 - Mobile terminal that can remove an external folder with an external keypad - Google Patents

Abstract

The present invention relates to a mobile communication terminal that can detach an external folder having an external keypad, comprising: a main body having a keypad and a display unit spaced apart from each other; And an external folder equipped with an external keypad electrically connected to the main body, and having one end of the main body inserted into and coupled to the main body.

Description

MOBILE COMMUNICATION TERMINAL FOR LOADING AND UNLOADING EXTERNAL FOLDER WITH EXTERNAL KEYPAD}

1 is a perspective view of a mobile communication terminal that can detach an external folder having an external keypad according to an embodiment of the present invention.

FIG. 2 is a perspective view of one embodiment of an external folder having an external keypad shown in FIG. 1; FIG.

3 is a use state diagram of a mobile communication terminal that can detach an external folder having an external keypad according to an embodiment of the present invention.

4 is a perspective view showing another embodiment of an external folder having an external keypad shown in FIG. 2;

5 is a diagram illustrating an internal configuration of a mobile communication terminal that can detach an external folder having an external keypad according to an embodiment of the present invention.

     <Description of Symbols for Main Parts of Drawings>

100: mobile communication terminal 110: main body

111: display unit 112: keypad

113: storage unit 114: speaker

115: microphone 116: radio frequency transceiver

117: folder opening and closing detection unit 118: main control unit

119: power control unit 120: external folder

121: cover 122: coupling member

122-1: engaging groove 123: hinge

124: external keypad 125: spare battery

The present invention relates to a mobile communication terminal, and more particularly, to a mobile communication terminal that can detach an external folder having an external keypad.

Modern people live and interact with many people in a culturally, economically and socially diversified society. Such relationships with various peoples widen the range of experiences between people, but make it difficult for them to continue to meet important people for a long time and increase their depth. In particular, in the busy day-to-day work of modern people, there are a lot of people who come into contact with each other and work in private. In order to improve such a problem with the development of information and communication technology and electronic technology, mobile terminals such as mobile communication terminals, PDAs (Personal Digital Assistants), electronic notebooks, and smart phones.

Here, since the mobile communication terminal has so many functions including an MP3 function, a game function, and various information transmission and storage functions as well as a call function, a keypad, which is a combination of keys for using these functions, is arranged. However, since a mobile communication terminal arranges a keypad in a very small area, unlike a computer or a game device, each key is implemented with a very small size and each key is used so that various functions are used repeatedly. Accordingly, the conventional mobile communication terminal has a problem in that it is necessary to duplicate several functions using one key, and also has a problem in that the keys are implemented very small, which is inconvenient for users who use them.

In addition, mobile communication terminals are manufactured in various forms (eg, bar type, flip type, slide type, and folder type) to suit people's taste. Here, in the bar type mobile terminal and the slide type mobile terminal, the keypad is exposed to the outside, and their keypad is easily damaged by contact with an external object. In addition, since the bar type mobile terminal and the slide type mobile communication terminal use only one main battery mounted on the rear of the main body, when the battery is completely discharged at a time when the user does not recognize it, the mobile communication terminal is temporarily turned off. There is a problem that cannot be used.

The present invention has been made to solve the above problems, and an object of the present invention is to mount an external folder having an external keypad to a mobile communication terminal and to use an external keypad for a specific device such as a computer and a game device. By mounting to use, it is to provide a mobile communication terminal that can facilitate the user's convenience according to the use of the keypad.

Another object of the present invention is to provide a mobile communication terminal capable of preventing damage to the keypad due to contact with an external object by mounting the external folder to the mobile communication terminal exposed to the keypad.

Still another object of the present invention is to provide a mobile communication terminal capable of supplying power through an auxiliary battery when the main battery is discharged by mounting an external folder having an auxiliary battery in the mobile communication terminal.

Another object of the present invention is to provide a mobile communication terminal that can be used continuously even when the main battery is discharged by supplying power through the auxiliary battery stored in the removable external folder when the main battery is discharged.

According to an aspect of the present invention, there is provided a mobile communication terminal including: a main body having a keypad and a display unit disposed at an upper end portion of a front surface and spaced apart from each other; And an external folder equipped with an external keypad electrically connected to the main body, and having one end of the main body inserted into and coupled to the main body.

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

1 is a perspective view of a mobile communication terminal that can detach an external folder having an external keypad according to an embodiment of the present invention.

FIG. 2 is a perspective view of an external folder having an external keypad shown in FIG. 1.

Referring to FIG. 1, the mobile communication terminal 100 according to the present invention includes an external folder 120 coupled to a main body 110 of the mobile communication terminal 100. Here, one end of the main body 110 of the mobile communication terminal 100 is inserted into the external folder 120 and coupled.

The mobile communication terminal 100 may be implemented as a bar type or a slide type. In this case, the main battery (not shown) is mounted on the rear of the main body 110, and the display unit (LCD) 111 is connected to the main body 110. It is arranged to be exposed on the top surface. The keypad (not shown) of the mobile communication terminal 100 is covered so as not to be exposed by the cover 121 of the external folder 120.

Referring to FIG. 2, the external folder 120 includes a cover 121 for covering the keypad (not shown) of the mobile communication terminal 100 so as not to be exposed, and a main body 110 of the mobile communication terminal 100. A coupling member 122, a hinge 121 forming a rotation shaft of the cover 121 and the coupling member 122, an external keypad 124 for using the functions of the mobile communication terminal 100, and mobile communication. An auxiliary battery 125 for supplying power to the terminal 100 is provided.

The cover 121 is rotated as shown in FIG. 3 with one side thereof coupled with the hinge 123 and the hinge 123 as an axis, that is, when the mobile communication terminal 100 is used, the cover 121 is formed of the keypad. Rotate in the opposite direction (open direction) to expose the entire surface of the main body 110, on the contrary, when not in use of the mobile communication terminal 100, the cover 121 is rotated in the keypad direction (close direction) to expose the keypad Cover it so as not to.

The cover 121 may have a length sufficient to cover all of the keypads, and may be implemented to cover a portion of the display unit 111 or not to cover the display unit 111.

For example, when the cover 121 is implemented to cover a portion of the display unit 111, the mobile communication terminal 100 is the character information and / or displayed on the display unit 111 in accordance with a preset program for adjusting the screen size Reduce the screen size of video information. That is, the mobile communication terminal 100 allows the text information and / or the image information to be displayed only on the exposed portion, not on the portion covered by the cover 121. On the contrary, when the display unit 111 is implemented so that all of the display unit 111 is not covered by the cover 121, the mobile communication terminal 100 reduces the screen size of the text information and / or image information displayed on the display unit 111. Don't let that happen.

As shown in FIG. 2, a coupling groove 122-1 for inserting one end of the main body 110 of the mobile communication terminal 100 is formed at one end of the coupling member 122 and the coupling member 122. The other end of the hinge 123 is combined.

The hinge 123 may be implemented in the same manner as a conventional hinge used for a flip type mobile communication terminal or a folder type mobile communication terminal.

The external keypad 124 is composed of a combination of various function keys, numeric keys, and character keys included in the computer keyboard. In particular, the external keypad 124 may further include game-only keys. Since the external keypad 124 is disposed on one side of the external folder 120 having a thin thickness, the external keypad 124 is preferably implemented in the form of a touch pad. As described above, since the mobile communication terminal of the present invention mounts the external keypad 124 on the external folder 120 having a relatively large area, more keys than the keys constituting the keypad (not shown) disposed on the main body 110 are provided. In combination, the external keypad 124 is formed, and thus the user's convenience can be achieved by using the keypad.

The external keypad 124 may be implemented by being fixed to the external folder 120, but is not limited thereto. As another embodiment, the external folder 120 is provided with a detachable part for detaching the external keypad 124. As shown in FIG. 4, the detachable portion may be formed of pad grooves 124-1 and 124-2 for inserting the external keypad 124, and the pad grooves 124-1 and 124-2 may be formed. One side of the external folder 120 is formed to face the spaced apart by the width of the external keypad 124. Here, the pad grooves 124-1 and 124-2 have the same length, and the pad grooves 124-1 and 124-2 have a length sufficient to allow the external keypad 124 to be inserted and fixed. In this case, the user may selectively mount the external keypad 124 for a computer, the external keypad 124 for a number, or the external keypad 124 for a game to the external folder 120. As described above, the mobile communication terminal of the present invention selectively mounts and uses an external keypad for a specific device such as a computer or a game device, so that the user's convenience can be achieved by using the keypad. In addition, the detachable part is not limited to the pad grooves 124-1 and 124-2 as shown in FIG. 4, and may be implemented in a form other than the groove.

The auxiliary battery 125 is implemented in a form that is accommodated in the cover 121. However, the present invention is not limited thereto. For example, the cover 121 may be formed of the auxiliary battery 125 or the auxiliary battery 125 may be detachably attached to the cover 121 without separately implementing the cover 121. have.

In particular, although not shown in the drawing, the external keypad 124 and the auxiliary battery 125 are electrically connected to the main body 110 of the mobile communication terminal 100. Here, the external keypad 124 may be connected to the main body 110 through a communication terminal (not shown), and the auxiliary battery 125 may be connected to the main body 110 through a power terminal (not shown).

As described above, the present invention mounts the external folder 120 having the auxiliary battery 125 to the mobile communication terminal 100 where the keypad is exposed, thereby preventing damage to the keypad due to contact with an external object, and also When the main battery is discharged, power is supplied through the auxiliary battery 125, thereby preventing the inconvenience that the main battery is completely discharged and the mobile communication terminal is temporarily unavailable at the time when the user does not recognize it. .

An internal configuration of a mobile communication terminal according to the present invention having such a structure will be described with reference to FIG.

5 is a diagram illustrating an internal configuration of a mobile communication terminal capable of attaching and detaching an external folder having an external keypad according to an embodiment of the present invention.

Referring to FIG. 5, the main body 110 of the mobile communication terminal 100 of the present invention includes a display unit 111 for displaying text and images, and a keypad 112 for inputting text, symbols, and user commands. ), A storage unit 113 for storing text information and video information, a speaker 114 for outputting sound, a microphone 115 for inputting sound, and a radio for transmitting and receiving radio frequency signals. The frequency transceiving unit 116, the folder opening and closing detection unit 117 for detecting the opening and closing of the cover 121 of the external folder 120, and controls the transmission and reception of calls and various information, and whether the external folder 120 is opened or closed The main control unit 118 for controlling the ON / OFF of the various functions according to the power supply, and the power control unit 119 for alternatively switching the power supplied from the auxiliary battery 125 and the main battery 130 ).

The display unit 111 displays a text signal and / or an image signal supplied by the main control unit 111, where the position and size of the screen on which the text and / or image are displayed are adjusted by the main control unit 118. The display unit 111 is preferably implemented as a liquid crystal display (LCD), but may be implemented as a display element other than the liquid crystal display (LCD).

The keypad 112 is composed of function keys for inputting various functions, numeric keys for inputting numbers, symbol keys for inputting various symbols, and character keys for inputting characters. The keypad 112 is disposed to be exposed on the front surface of the main body 110 and is located at the lower end of the display unit 111.

In particular, the keypad 112 is completely covered by the cover 121 so as not to be exposed when the cover 121 of the external folder 120 is closed.

The storage unit 113 stores text information, sound information, image information, and the like, which are set as defaults and may also be stored by the main controller 118. The storage unit 113 is implemented with a memory device such as EEPROM.

The speaker 114 outputs sound signals such as voice, sound, and music provided by the main controller 118 to the user so that they can be heard.

The microphone 115 converts various sounds input from the outside into an electrical signal that can be recognized by the main controller 118 and transmits the sound to the main controller 118.

The radio frequency transceiver 116 converts a radio frequency signal (RF) received from the outside through an antenna into a baseband signal and transmits the signal to the main controller 118 and the baseband input from the main controller 118. The signal is converted into a radio frequency signal and transmitted to the outside through an antenna.

The folder opening and closing detection unit 117 detects the opening and closing of the cover 121 of the external folder 120 and transmits the detection result to the main control unit 118. The folder opening and closing detection unit 117 may be implemented in the same manner as the folder-type mobile communication terminal detects the opening and closing of the folder.

The main control unit 118 is a call function, a transmission function, a display function of the display unit 111, an output function of the speaker 114, and a microphone according to a user's command input through the keypad 112 or the external keypad 124. And selectively control the input function of the device. If any one of these functions is being performed and the closing of the lid 121 of the external folder 120 is detected through the folder opening and closing detection unit 117, the main control unit 118 is currently performing the function. OFF.

In addition, when the cover 121 is implemented to cover a part of the display unit 111, the main controller 118 may be configured to display the character information and / or image information displayed on the display unit 111 according to a preset screen size adjusting execution program. Reduce the screen size. That is, the text information and / or the image information are not displayed on the portion covered by the cover 121 but only on the exposed portion, even when a part of the display portion 111 is covered by the closed external folder 120. This is to allow the user to see both the displayed character information and / or image information.

On the contrary, when the display unit 111 is implemented so that all of the display unit 111 is not covered by the cover 121, the main controller 118 does not reduce the screen size of the character information and / or image information displayed on the display unit 111. Without default output.

The main controller 118 displays a battery supplying power to the current mobile communication terminal 100 among the main battery 130 and the auxiliary battery 125, so that the power of the mobile communication terminal 100 is stored in the auxiliary battery 125 or the auxiliary battery 125. Allows the user to recognize whether it is supplied from the main battery 130.

The power control unit 119 preferentially supplies the power of the main battery 130 mounted on the rear of the main body 110 to the mobile communication terminal 100, and when the main battery 130 is discharged to the external folder 120. Power of the installed auxiliary battery 125 is supplied to the mobile communication terminal 100. Accordingly, the present invention prevents the inconvenience that the main battery 130 is completely discharged at a time when the user does not recognize and temporarily disables the mobile communication terminal 100.

As described above, in the mobile communication terminal of the present invention, an external folder having an external keypad is mounted on the mobile communication terminal or used to selectively mount and use an external keypad for a specific device such as a computer and a game device. The user's convenience can be achieved by using the keypad.

The mobile communication terminal of the present invention can prevent the keypad from being damaged by contact with an external object by attaching an external folder to the mobile communication terminal having the keypad exposed.

The mobile communication terminal of the present invention mounts an external folder having an auxiliary battery to the mobile communication terminal, thereby supplying power through the auxiliary battery when the main battery is discharged, and thus continuously using the auxiliary battery even if the main battery is discharged. Can be.

Claims (18)

A main body on which a main battery is mounted and which has a keypad and a display part spaced apart from each other so as to be exposed to the front surface; And An external folder having an external keypad electrically connected to the main body, and having one side end of the main body inserted and coupled to cover the keypad so as not to be exposed while at least a portion of the display unit is exposed. The external folder, A cover for covering the keypad disposed on the front of the main body so as not to be exposed; A coupling member for mounting the main body; A hinge forming a rotation axis of the cover and the coupling member; A detachable part to which the external keypad is detached; And And an external keypad detachable from the detachable unit, and configured to use a function of a main body of the mobile communication terminal. delete delete The method of claim 1, wherein the removable portion, The first and second pad grooves are formed on one side of the external folder to be spaced apart from each other by the width of the external keypad. And the first and second pad grooves have the same length and have a length sufficient to fix and insert the external keypad. The method of claim 1, wherein the external keypad, Mobile communication terminal, characterized in that implemented in the form of a touch pad. The method of claim 1, wherein the external folder, And a secondary battery for supplying power to the main body. The method of claim 6, wherein the main body, Mobile communication terminal comprising a folder opening and closing detecting unit for detecting the opening and closing of the cover. The method of claim 7, wherein the main body, The mobile communication terminal, characterized in that for off the function being performed when the closing of the cover is detected through the folder opening and closing detection unit. The method of claim 7, wherein the cover, And a length sufficient to cover all of the keypads, the mobile communication terminal being configured to cover a portion of the display unit. The method of claim 9, wherein the main body, And controlling the position and size of the screen displayed on the display unit so that desired information is not displayed on the portion covered by the cover, but only on the exposed portion. The method of claim 7, wherein the cover, A mobile communication terminal having a length sufficient to cover all of the keypad, but not to cover the display unit. The method according to any one of claims 7 to 11, wherein the main body, And a power control unit for selectively supplying power of the main battery or power of the auxiliary battery. The method of claim 12, wherein the power control unit, And when the main battery is discharged, supplying power of the auxiliary battery to the main body. The method of claim 1, Mobile communication terminal, characterized in that the coupling groove for inserting the main body is formed at one end of the coupling member. The method of claim 1, wherein the cover, Mobile terminal, characterized in that the hinge coupled to one end is rotated about the shaft. The method of claim 6, wherein the auxiliary battery, Mobile communication terminal, characterized in that stored in the cover. The method of claim 6, wherein the auxiliary battery, Mobile communication terminal, characterized in that detachable to the cover. The method of claim 6, The auxiliary battery and the cover is a mobile communication terminal, characterized in that the same.

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