KR20070023404A - Mobile communication device and Control method of the same - Google Patents

Abstract

A mobile communication terminal that can be attached / removed to an external output unit according to the present invention includes: a coupling unit for coupling and fixing an external output unit including an LCD or an external speaker and a main body unit for mobile communication; It is configured to include an interface for transferring the power and data between the main body and the external output unit, it is possible to mount the external output different from the previous one according to the user's desire while continuing to use the main body as before It is inexpensive and has the advantage of minimizing resource waste.

LCD, external speaker, external output unit, mobile communication terminal, coupling unit, interface unit

Description

Mobile communication terminal capable of detaching / mounting the external output unit and its control method {Mobile communication device and Control method of the same}

1 is a perspective view of a mobile communication terminal capable of attaching or detaching an external output unit according to the present invention when a folder type external output unit is coupled to a main body unit of an embodiment;

2 is a perspective view of a slide type external output unit coupled to a main body unit of an exemplary embodiment of a mobile communication terminal detachable / mountable according to the present invention;

3 is a perspective view when the bar type external output unit is coupled to a main body unit of an exemplary embodiment of a mobile communication terminal which can be attached / removed / mounted to an external output unit according to the present invention;

4 is an exploded perspective view illustrating a main body part and a folding type external output part illustrated in FIG. 1;

5 is an exploded perspective view illustrating a main body part and a slide type external output part shown in FIG. 1 separated from each other;

6 is an exploded perspective view illustrating a main body part and a bar type external output part shown in FIG. 1;

FIG. 7 is a partially cut-away cross sectional view when the main body portion shown in FIGS. 4 to 6 and any one of the external output portions shown in FIGS. 4 to 6 are coupled;

8 is a partial cutaway cross-sectional view after combining any one of the main body shown in FIGS. 4 to 6 and the external output shown in FIGS. 4 to 6;

9 is a partially cutaway cross-sectional view when the main body portion shown in FIGS. 4 to 6 and any one of the external output portions shown in FIGS. 4 to 6 are separated;

10 is a partial cutaway cross-sectional view when the main body shown in FIGS. 4 to 6 and the external output shown in FIGS. 4 to 6 are separated;

11 is a plan view of the main body shown in FIGS.

12 is a bottom view of the clamshell external output unit shown in FIG. 1;

FIG. 13 is a bottom view of the slide type external output unit shown in FIG. 2;

FIG. 14 is a bottom view of the bar type external output unit illustrated in FIG. 3;

15 is a flowchart illustrating an embodiment of a control method of a mobile communication terminal that can be attached / removed from an external output unit according to the present invention.

<Explanation of symbols on main parts of the drawings>

2: main body 20: clamshell external output

21: Display 22: External Speaker

30: slide type external output unit 31: display

32: external speaker 40: bar type external output unit

41: Display 42: External speaker

50: coupling portion 52: body portion coupling portion

53: space 54A, 54B: mounting hole

56: External output coupler 57A, 57B: button

58A, 58B: Spring 59A, 59B: Support

60A, 60B: Button groove 61A, 61B: Spring groove

70: interface portion 72: main body portion interface portion

76: external output interface

The present invention relates to a mobile communication terminal capable of attaching / detaching an external output unit. In particular, an external output unit including an LCD or an external speaker may be separately configured to be mounted on a main body, thereby allowing a folder to be mounted on one mobile communication terminal. The present invention relates to a mobile communication terminal capable of attaching / detaching an external output unit which can be configured in various shapes such as a mold, a slide type, and a general bar type.

In general, mobile communication terminals are classified into a bar type, a folder type, a slide type, and the like, and recently, mobile communication terminals have tended to implement various functions such as moving images and games.

The mobile communication terminal is provided with a key for inputting a number, a letter, and the like to the main body, a talker, and the like, and a folder or the like connected to the main body and a slider slidably connected to the main body. An external output device and a receiver are provided.

However, since the external form of the mobile communication terminal according to the prior art is determined at the development stage of the mobile communication terminal manufacturing company and is not changed, the user has no choice but to purchase a new mobile communication terminal if he wants to use another type of terminal. There is a problem that the cost is increased, the replacement cycle of the mobile communication terminal is shortened and the resources are wasted.

In addition, it is difficult for a user to upgrade only a display or an external speaker while using a mobile communication terminal of the same type or type.

The present invention has been made to solve the above-mentioned problems of the prior art, the external portion can be easily changed to a different type than the conventional one, while using the main body as in the past, the cost is low and can minimize the waste of resources An object of the present invention is to provide a mobile communication terminal capable of attaching / detaching an output unit.

Another object of the present invention is to provide a mobile communication terminal capable of removing / mounting an external output unit that can quickly and easily replace the entire external output unit with a new one.

Still another object of the present invention is to replace the external output unit with a different type from the existing one, or when installing a new external output unit having better performance, the external output unit is found in accordance with the specifications for mounting the external output unit, the memory of the main body, etc. It is to provide a control method of a mobile communication terminal that does not need to replace the easy to use / detachable external output unit.

In order to solve the above problems, a mobile communication terminal capable of attaching / detaching an external output unit according to the present invention includes a main body unit; An external output unit configured to output at least one of an image and an audio; A coupling part configured to couple and fix the external output part and the main body part; And an interface configured to exchange power and data between the main body and the external output.

The external output unit may include at least one of a display and a speaker.

The external output unit may include a fold-type external output unit detachable / mounted on the main body unit; A slider-type external output unit detachably mounted on the main body unit; At least one of the bar-shaped external output unit to be removed / mounted to the main body.

The coupling part may include a main body coupling part formed on the main body part and an external output coupling part formed on the external output part and coupled / separated from the main body coupling part.

In addition, the body portion coupling portion is characterized in that the space portion is formed so that the external output portion coupling portion can be inserted, and the mounting hole for coupling the external output portion is formed.

In addition, the external output engaging portion is projected to the mounting hole is characterized in that it comprises a button that is upwardly engaged with the main body portion engaging portion, and is pressed by the user to release the upward latch.

In addition, the external output unit coupling portion is characterized in that it further comprises a spring for elastically supporting the button.

In addition, the external output unit coupling portion is characterized in that it further comprises a support for preventing the separation of the button.

The interface unit may include a main body interface unit formed in the main body unit, and an external output unit interface unit formed in the external output unit and connected to the main body unit interface unit.

A mobile communication terminal capable of removing / mounting an external output unit according to the present invention includes a main body unit; It characterized in that it comprises a plurality of external output unit that is selectively detached / mounted to the body portion.

According to the present invention, a control method of a mobile communication terminal capable of attaching or detaching an external output unit includes: a first step of acquiring a device ID from an external output unit mounted when the external output unit is mounted on a main body unit; A second step of confirming whether information corresponding to the device ID exists in a local device DB; A third step of obtaining information on an external output unit mounted from the local device DB if the information is present; A fourth step of loading and installing a preloaded external output driver according to the obtained information; And a fifth step of initializing the external output unit.

Further, when the external output unit is an LCD, the fifth step may include: setting a resolution of the LCD and initializing graphic device interface variables; And a second process of initializing an LCD frame buff after the first process.

After the fifth step, the method further comprises a sixth step of loading an icon and an image to be used in the menu system.

When the external output unit includes other external devices including a speaker, the external output unit may further include a seventh step of initializing other external devices including the speaker after the sixth step.

If there is no information corresponding to the device ID in the local device DB in the second step, information on a basic external output unit is obtained, and the fourth and subsequent steps are performed.

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

1 is a perspective view of a mobile communication terminal capable of attaching / detaching an external output unit according to the present invention when a foldable external output unit is coupled to a main body of an embodiment, and FIG. 2 is an external output unit according to the present invention. Possible mobile communication terminal A perspective view of a slide type external output unit coupled to a main body of an embodiment of the present invention, and FIG. 3 illustrates a bar type external output unit of a mobile communication terminal that can be attached / removed to an external output unit according to an embodiment of the present invention. It is a perspective view when combined.

A mobile communication terminal capable of attaching / detaching an external output unit according to the present embodiment includes, as shown in FIGS. 1 to 3, a main body unit 2 for mobile communication; It is configured to include an external output unit 20, 30, 40 that is detached / mounted to the body portion (2).

The main body 2 is provided with a key 3 for inputting a number or a character.

In the main body 2, the battery 4 is detached / mounted and a talker 5 is arranged.

The main body 2 includes a core of a terminal device such as a main CPU or a memory.

The main body 2 has a local device DB (Datebase) containing specification information of various types of external output units 20, 30, 40.

In addition, the main body 2 is an external output driver corresponding to each of the external outputs 20, 30, 40 to drive various types of external outputs 20, 30, 40 ( For example, an LCD drive) and an icon and an image required for an external output are built in, and various kinds of external output units 20, 30 and 40 are programmed to display appropriate icons and images.

A plurality of external output units 20, 30, 40 are detached / mounted on the main body 2 so that various kinds can be selected according to a user's desire.

The external output unit 20, 30, 40 is to output at least one of the image and the audio, as shown in Figures 1 to 3, the outer of the clamshell mounted / mounted on the main body 2 An output unit 20; A slider type external output unit 30 which is detached / mounted on the main body unit 2; At least one of the bar type external output units 40 which are attached to or detached from the main body unit 2, hereinafter, a folder type external output unit 20, a slider type external output unit 30, and a bar type external output unit 40. All of them will be described as being detached / mounted on the main body 2.

Each of the external output units 20, 30, 40 is provided with at least one of a display 21, 31, 41, and an external speaker 22, 32, 42, such as an LCD. In the following description, the LCDs 21, 31, 41 and the external speakers 22, 32, 42 are provided, respectively.

Each of the external output units 20, 30, 40, in particular, the LCDs 21, 22, 23 has a unique device ID.

In addition, each of the external output units 20, 30, 40 is provided with a receiver 23, 33, 43, respectively.

FIG. 4 is an exploded perspective view illustrating a main body part and a folding type external output part illustrated in FIG. 1, and FIG. 5 is an exploded perspective view illustrating a main body part and a slide type external output part illustrated in FIG. 1, and FIG. 6 is illustrated in FIG. 1. It is an exploded perspective view which isolate | separated the main body part and the bar type external output part which were shown.

As shown in FIGS. 4 to 6, the mobile communication terminal capable of attaching / detaching the external output unit is a coupling unit for coupling and fixing the main body unit 2 and the external output unit 20, 30, 40. It consists of 50.

The coupling part 50 is formed in each of the body part coupling part 52 formed in the body part 2 and the external output parts 20, 30, 40, and the body part coupling part 52. And an external output coupler 56 that is coupled / separated.

The main body coupling portion 52 is formed with a space 53 so that the external output coupling portion 56 can be inserted.

The main body coupling portion 52 has mounting holes 54A and 54B formed in a square shape at left and right side portions thereof.

The external output unit coupling unit 56 has the same structure and size regardless of the type of the external output unit 20, 30, 40.

The external output coupler 56 is formed smaller than the body coupler 52 so that the external output coupler 56 can be inserted into the space 53.

FIG. 7 is a partially cutaway cross-sectional view of the main body unit shown in FIGS. 4 to 6 and one of the external output units shown in FIGS. 4 to 6, respectively, and FIG. 8 is shown in FIGS. 4 to 6. 4 is a partial cutaway cross-sectional view of the main body unit after combining any one of the external output units shown in FIGS. 4 to 6, and FIG. 9 is the main body unit illustrated in FIGS. 4 to 6 and the external output unit illustrated in FIGS. 4 to 6. Some cutaway sectional drawing when any one of the parts is in progress, and FIG. 10 is a partial cutaway sectional view when the main body shown in FIGS. 4-6 and the external output part shown in FIGS. 4-6 are separated.

As illustrated in FIGS. 7 to 10, the external output coupler 56 protrudes into the mounting holes 54A and 54B from the inside of the main body coupler 52, and thus the main body coupler 52. It is configured to include a button (57A, 57B) that is upwardly locked by the user, and is pressed by the user to release the upward locking.

The buttons 57A and 57B show the buttons 57A and 57B when the external output coupler 56 is inserted into the space portion 53 of the main body coupler 52. As shown in FIG. 8, the buttons 57A and 57B protrude sideways by the left and right side walls of the main body coupling part 52, and the buttons 57A and 57B protrude into the mounting holes 54A and 54B. When the main body portion is formed in a trapezoidal cross-sectional shape so as to be engaged upwardly.

The external output coupler 56 is compressed by the buttons 57A and 57B when the buttons 57A and 57B are pressed so that the buttons 57A and 57B are locked as shown in FIG. 9. Helping to be in the unlocked position (UL) and tensioned when the external force applied to the buttons (57A) (57B) is removed to lock the buttons (57A) (57B) as shown in FIG. It further comprises a spring (58A) (58B) for pushing out.

The external output coupler 56 further includes supporters 59A and 59B for preventing separation of the buttons 57A and 57B.

The supports 59A and 59B are disposed to be positioned inside the springs 58A and 58B, and one end thereof is fixed to one of the buttons 57A and 57B and the external output coupler 56. The other end is installed to be caught by the other one of the button (57A) (57B) and the external output unit coupling portion 56.

Reference numerals 60A and 60B are button groove portions formed on left and right sides of the external output coupler 56 to accommodate the buttons 57A and 57B.

Reference numerals 61A and 61B are spring groove portions formed on left and right sides of the external output coupler 56 to support and accommodate the springs 58A and 58B.

FIG. 11 is a plan view of the main body part shown in FIGS. 1 to 3, FIG. 12 is a bottom view of the foldable external output part shown in FIG. 1, FIG. 13 is a bottom view of the slide type external output part shown in FIG. 2, FIG. 14 is a bottom view of the bar type external output unit illustrated in FIG. 3.

As illustrated in FIGS. 11 to 14, the mobile communication terminal capable of attaching / removing the external output unit may provide power and data between the main body 2 and the external output units 20, 30, 40. It further comprises an interface for transmitting.

The interface portion is formed at each of the main body interface portion 72 formed in the main body portion 2 and the external output portions 20, 30, 40, and electrically connected to the main body portion interface portion 72. And an external output interface 76 to be connected.

The body portion interface portion 72 and the external output portion interface portion 76 are formed in a male and female form, either of which is inserted into and connected to the other.

As shown in FIG. 11, the main body interface unit 72 is formed inside the main body coupling portion 52.

The external output interface 76 is formed on the bottom of the external output coupling portion 56, as shown in Figs.

The external output interface 76 has the same structure and size regardless of the type of the external output 20, 30, 40.

Looking at the operation of the present invention configured as described above are as follows.

First, any one of the external output unit 20, 30, 40 (hereinafter referred to as a fold-type external output unit 20) to select the external output unit coupling portion 56 of the main body of the main body 2 Insert into the secondary coupling portion (52).

In the insertion as described above, the buttons 57A and 57B are pushed to the side by the left and right side walls of the main body coupling portion 52, as shown in FIG. When the external output fastening portion 56 is deeply inserted into the main body portion coupling portion 52 of the main body portion 2, as shown in Fig. 8, the springs 58A and 58B It protrudes into the mounting holes 54A and 54B by a tension force and is caught by the main body engaging portion 52. The foldable external output portion 20 and the main body portion 2 are the buttons 57A and 57B. Combined and fixed by).

When the clamshell external output unit 20 and the main body unit 2 are combined as described above, the main body unit interface unit 72 and the external output unit interface unit 76 are connected to the clamshell external output unit. At 20, power and data transfer are possible.

Meanwhile, when the clamshell external output unit 20 and the main body 2 are coupled as described above, pressing the buttons 57A and 57B causes the buttons 57A and 57B to be illustrated in FIG. 9. As described above, the engagement with the main body portion engaging portion 52 is released while the springs 58A and 58B are compressed.

Subsequently, when the external output coupling portion 56 of the clamshell external output portion 20 is pulled in the opposite direction as the coupling, the external output coupling portion 56 is connected to the main body coupling portion 52. The main body interface 72 and the external output interface 76 are disconnected.

When the external output coupler 56 completely exits the body coupler 52, the buttons 57A and 57B are restored by the tension of the springs 58A and 58B.

Thereafter, one of the external output units 20, 30 and 40 is selected (hereinafter, the slide type external output unit 30) and the external output unit coupling unit 56 is connected to the main body unit 2. When inserted into the main body coupling portion 52, the slide type external output portion 30 is mounted / detached in the same manner as the foldable external output portion 20.

In addition, one of the external output units 20, 30 and 40 (hereinafter, the bar type external output unit 40) is selected, and the external output unit coupling unit 56 of the main body unit 2 is selected. When inserted into the main body coupling portion 52, the bar type external output portion 40 is mounted / detached in the same manner as the folding type external output portion 20 or the slide type external output portion 30.

15 is a flowchart illustrating an embodiment of a control method of a mobile communication terminal that can be attached / removed from an external output unit according to the present invention.

First, when any one of the external output unit 20, 30, 40 is mounted to the main body 2, the power sent from the main body 2 to the mounted external output unit 20 Is supplied, and data is transferred via the main body interface unit 72 and the external output unit interface unit 76 (S1).

Thereafter, the device ID is obtained from the mounted external output unit 20 (S2).

Then, it is checked whether information corresponding to the device ID exists in the local device DB (S3).

If the information exists, information about the external output unit 20 mounted from the local device DB is obtained.

Here, the information is information such as the LCD size / resolution and the external speaker of the mounted external output unit 20.

In accordance with the obtained information, the pre-loaded external output driver is loaded and installed.

Thereafter, the mounted external output unit 20 is initialized. First, the resolution of the LCD is set, and the graphic device interface variables such as the GDI width and the GDI height are initialized (S6). Initialize the frame buff (S7).

Then, an icon and an image to be used for the menu system are loaded (S8).

After loading, other external devices including the external speaker are initialized (S9).

On the other hand, if there is no information corresponding to the device ID in the local device DB, the information on the basic external output unit is obtained, the preloaded basic external output unit driver is loaded and installed, and then thereafter. (S3) (S4 ') (S5) (S6) (S7) (S8) (S9)

On the other hand, the present invention is not limited to the above embodiment, it is also applicable to the coupling portion made of a magnetic body and the external output unit is coupled by the magnetic, the interface portion is composed of FPC, female, male connector, etc. Of course, it is possible that various implementations are possible within the technical scope to which this invention belongs.

A mobile communication terminal capable of removing / mounting the external output unit of the present invention configured as described above comprises: a coupling unit which couples and fixes an external output unit including an LCD or an external speaker and a main body unit for mobile communication; It is configured to include an interface for transferring the power and data between the main body and the external output unit, it is possible to mount the external output different from the previous one according to the user's desire while continuing to use the main body as before It is inexpensive and has the advantage of minimizing resource waste.

In addition, a mobile communication terminal capable of attaching / detaching an external output unit of the present invention includes: a foldable external output unit in which the external output unit is detached / mounted; A slider type external output unit; Since it is at least one of the bar-type external output unit, any one of a clamshell external output unit, a slide-type external output unit and a bar-type external output unit can be selected according to a user's desire, and there is an advantage in that convenience is increased.

In addition, the mobile communication terminal capable of removing / mounting the external output unit of the present invention can be equipped with a new external output unit having the same shape and excellent performance, thereby providing convenience and upgrade to a user familiar with the existing type of external output unit. There is an easy advantage.

In addition, a mobile communication terminal capable of attaching / detaching an external output unit of the present invention includes an external output unit formed by the coupling unit formed in the main body unit, and an external output formed in the external output unit and coupled / separated from the main unit coupling unit. It is configured to include a secondary coupling, there is an advantage that can be easily coupled / separated the main body and the external output.

In addition, a mobile communication terminal capable of removing / mounting an external output unit of the present invention has a space portion for inserting the external output unit coupling portion into the main body coupling portion and a mounting hole for coupling the external output portion is formed. The user can easily understand the coupling method of the main body unit and the external output unit, and the external output unit is mounted in an inserting manner, so the mounting thereof is easy.

In addition, a mobile communication terminal capable of removing / mounting the external output unit of the present invention includes an external output unit engaging part protruding into the mounting hole and being upwardly engaged with the main body part engaging part, and being pushed by the user to release the upward latch; It is configured to include a spring for elastically supporting the button, by inserting the external output engaging portion into the main body engaging portion can be quickly and easily mounted on the main body, by pulling the external output while pressing the button The advantage is that the external output can be quickly and easily separated.

In addition, the mobile communication terminal that can be attached / detached from the external output unit of the present invention is configured to further include a support for preventing the release of the button coupled to the external output unit, there is an advantage to prevent the loss of the button.

In addition, a mobile communication terminal capable of attaching / detaching an external output unit of the present invention may include a main body interface unit in which the interface unit is formed in the main body unit, and an external output unit formed in the external output unit and connected to the main body unit interface unit. It is configured to include an interface unit, there is an advantage that the external output unit can be easily recognized and controlled by the connection of the main body interface unit and the external output unit interface unit.

In addition, the control method of the mobile communication terminal that can be attached / detached from the external output unit of the present invention, if the external output unit is replaced with a different type from the existing one, or when the new external output unit with better performance is fitted, Since the external output unit is searched for specifications, it is not necessary to replace / upgrade the memory of the main unit every time a new external output unit is mounted, and the external output unit is automatically initialized by mounting the external output unit, which is convenient to use. .

Claims (15)

A main body; An external output unit configured to output at least one of an image and an audio; A coupling part configured to couple and fix the external output part and the main body part; A mobile communication terminal capable of attaching / detaching an external output unit, comprising an interface unit for transferring power and data between the main body unit and the external output unit. The method of claim 1, The external output unit is a mobile communication terminal that can be attached / detached, characterized in that at least one of the display and the speaker is installed. The method of claim 1, The external output unit is a folding type external output unit that is detached / mounted to the main body; A slider-type external output unit detachably mounted on the main body unit; A mobile communication terminal capable of detaching / attaching an external output unit, characterized in that at least one of a bar type external output unit detaching / installing the main body unit. The method of claim 1, The coupling part may include a main body coupling part formed in the main body part, and an external output part coupling part formed in the external output part and coupled / separated with the main body part coupling part. Possible mobile terminal. The method of claim 4, wherein The main body coupling unit is a mobile communication terminal capable of removing / mounting the external output unit, characterized in that a space portion is formed so that the external output unit coupling unit can be inserted and a mounting hole for coupling the external output unit is formed. The method of claim 5, wherein The external output unit coupling portion protrudes into the mounting hole and is upwardly locked to the main body portion coupling portion, and is pushed by the user and configured to include an external output unit. terminal. The method of claim 6, The external output unit coupling unit is a mobile communication terminal that can be attached / detached, characterized in that further comprising a spring for elastically supporting the button. The method of claim 6, The external output unit coupling unit is a mobile communication terminal capable of removing / mounting the external output unit, characterized in that further comprises a support for preventing the release of the button. The method of claim 1, The interface unit may include a main body interface unit formed in the main body unit, and an external output unit interface unit formed in the external output unit and connected to the main body unit interface unit. Possible mobile terminal. A main body; And a plurality of external output units selectively mounted / removed to the main body unit. When the external output unit is mounted on the main body unit, obtaining a device ID from the mounted external output unit; A second step of confirming whether information corresponding to the device ID exists in a local device DB; A third step of obtaining information on an external output unit mounted from the local device DB if the information is present; A fourth step of loading and installing a preloaded external output driver according to the obtained information; And a fifth step of initializing the external output unit. The method of claim 11, If the external output unit is an LCD, The fifth step may include setting a resolution of the LCD and initializing graphic device interface variables; And a second process of initializing an LCD frame buff after the first process. The method of claim 11, And a sixth step of loading an icon and an image to be used in the menu system after the fifth step. The method of claim 13, When the external output unit includes other external devices including a speaker, And a seventh step of initializing other external devices including the speaker after the sixth step. The method according to claim 11, wherein If there is no information corresponding to the device ID in the local device DB in the second step, information about a basic external output unit is obtained, and the fourth and subsequent external output units are performed. Control method of the mobile communication terminal.

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