KR20060123018A - Side button for mobile communication terminal - Google Patents

Abstract

A side button device for a mobile communication terminal is provided to reduce the number of assemblage components without composing an additional side board and prevent contact point badness from being generated by providing the side button device formed in one surface of a thickness direction of a PCB(Printed Circuit Board) to be electrically contacted with a side button provided in a thickness direction of a mobile communication terminal. A body part(110) has a PCB(200) in which a plurality of chip sets(210) are loaded. A side button(130) has a plurality of buttons(131) formed in a thickness direction of the body part(110) to input data in the body part(110). Wiring for transmitting an electric signal in a surface direction of the PCB(200) is printed as a certain pattern in a plurality of signal terminals(220). The signal terminals(220) are formed in one surface of a thickness direction of the PCB(200), and are contacted with the wiring so that the side button(130) is contacted with the wiring.

Description

Side button device of mobile communication terminal {SIDE BUTTON FOR MOBILE COMMUNICATION TERMINAL}

1 to 3 show a conventional side button,

1 is a perspective view showing the appearance of a conventional mobile communication terminal equipped with a side button.

Figure 2 is an exploded perspective view showing the configuration of a conventional side button.

3 is a plan view illustrating a rear surface of a side board constituting a conventional side button.

4 to 9 illustrate a side button device of a mobile communication terminal according to an embodiment of the present invention.

4 is a perspective view showing the configuration of a side button device of a mobile communication terminal according to a first embodiment of the present invention.

5 is an enlarged perspective view of portion A of FIG. 4.

6 is a plan view showing the configuration of a side button device of a mobile communication terminal according to a first embodiment of the present invention.

7 is a perspective view showing the configuration of a side button device of a mobile communication terminal according to a second embodiment of the present invention.

8 is an enlarged perspective view of a side button device of a mobile communication terminal according to a second embodiment of the present invention.

9 is a plan view illustrating a state in which a side button device of a mobile communication terminal according to a second embodiment of the present invention operates.

* Description of the symbols for the main parts of the drawings *

100: mobile communication terminal 110: main body

111: key input 112: microphone

120: folder portion 121: display device

122: receiver 130: side button

131: button 132: button receiving portion

140: hinge coupling portion 140a: camera module

140: button 141: terminal contact

200: printed circuit board 210: chipset

220: signal terminal 240: signal terminal

241: first terminal 242: second terminal

221: wiring 221a: first wiring

221b: second wiring 230: pattern

300: side substrate 301: pattern

302: First wiring 310: First substrate

311: signal contact portion 320: second substrate

321: terminal signal unit 330: contact terminal

340: substrate connection portion 350: second wiring

The present invention relates to a mobile communication terminal, and in particular, can be in electrical contact with a side button provided in a thickness direction of a mobile communication terminal equipped with a printed circuit board (PCB) on which a plurality of chipsets are mounted. By providing a side button device provided on one side of the printed circuit board in the thickness direction so that a separate side board does not have to be provided, thereby reducing the number of assembly parts, thereby preventing contact defects and producing a mobile communication terminal. And the assembly process is simplified, and raw material and labor costs can be reduced due to the side button device of the mobile communication terminal that can reduce the production cost.

In general, a mobile communication terminal is a wireless communication device that allows a user to carry a voice call with a specific person, and transmits a call message including a unique number of a receiver mobile communication terminal through a base station call channel to call a specific mobile communication terminal. After that, when a response is received from the mobile communication terminal, the system is configured to enable a call between the sender and the receiver.

These mobile communication terminals have undergone many changes and developments in recent years. From the early mobile communication terminals that could only transmit and receive telephones, games, video on demand, electronic dictionary, MP3 A mobile communication terminal capable of implementing the latest functions such as a player has been reached.

The mobile communication terminal is provided with a key input unit for inputting data to perform the above-described various functions and a side button for directly inputting data from the side of the mobile communication terminal. The configuration of the communication terminal 100 will be described with reference to FIG. 1 as follows.

1 to 3 show a conventional side button, Figure 1 is a perspective view showing the appearance of a mobile communication terminal equipped with a conventional side button.

As shown in FIG. 1, a mobile communication terminal 100 having a conventional side button is provided with a folder provided with a display device 121 such as an LCD (Liquid Crystal Display; LCD, for convenience). The main body 110 on which the printed circuit board (PCB) 200 on which the unit 120 and the plurality of chipsets 210 are mounted is provided is hinged by the hinge coupler 140.

And the conventional side button 130 is provided in the thickness direction of the main body portion 110, the internal structure of the side button 130 will be described with reference to Figs.

2 is an exploded perspective view illustrating a conventional side button configuration, and FIG. 3 is a plan view illustrating a rear surface of a side substrate constituting a conventional side button.

As shown in FIG. 2 and FIG. 3, the conventional side button 130 is composed of a plurality of buttons 131 provided in the thickness direction of the main body 110 and may be in contact with the plurality of buttons 131. The side substrate 300 is configured to be provided.

In addition, a wiring 221 having a predetermined pattern is printed on the printed circuit board 200 so as to be in electrical contact with the side substrate 300, and the side button 130 is in contact with the wiring 221. The signal terminal 220 is provided on the plate surface of the printed circuit board 200.

As shown in FIG. 3, the side substrate 300 includes a first substrate 310 in contact with the printed circuit board 200, a second substrate 320 in contact with the side button 130, and the first substrate. It is composed of a substrate connecting portion 340 connecting the first substrate 310 and the second substrate 320.

In addition, a rear surface of the first substrate 310 is provided with a signal contact portion 311 which is in electrical contact with the signal terminal 220, the front side of the second substrate 320 and the side button 130 and A contact terminal 330 is provided to be contacted, and a terminal signal unit 321 is provided on a rear surface of the second substrate 320 to detect a signal contacted by the contact terminal 330.

The conventional side button 130 configured as described above has a problem that the side substrate 300 for connecting an electrical signal to the printed circuit board 200 by the pressing force pressed by the side button 130 has to be provided have.

In addition, the number of parts to be assembled is increased because the side substrate 300 is provided separately, thereby causing a problem in contact failure in the assembly process.

In addition, as the number of assembly parts increases, the manufacturing and assembly process of the mobile communication terminal 100 becomes complicated, and raw materials and labor costs increase, thereby increasing the overall production cost of the mobile communication terminal.

Accordingly, an object of the present invention is to solve the above problems, and an object of the present invention is to provide a side surface of a mobile communication terminal having a printed circuit board (PCB) on which a plurality of chipsets are mounted. By providing the side button device provided on one side of the printed circuit board in the thickness direction so as to be in electrical contact with the button, it is not necessary to provide a separate side board, thereby reducing the number of assembly parts, thereby preventing contact defects. Instead, the manufacturing and assembly process of the mobile communication terminal is simplified, and raw materials and labor costs can be reduced, thereby providing a side button device of the mobile communication terminal that can reduce the production cost.

In order to achieve the above object, the present invention provides a side portion including a main body portion having a printed circuit board on which a plurality of chipsets are mounted, and a plurality of buttons provided in the thickness direction of the main body portion to input data to the main body portion. A button and a wire for transmitting an electrical signal in a plane direction of the printed circuit board are printed in a predetermined pattern and provided on one surface of the printed circuit board in a thickness direction so that the side buttons can contact the wire. Provided is a side button device of a mobile communication terminal, comprising a plurality of contacted signal terminals.

According to the above configuration, the printed circuit so as to be in electrical contact with the side button provided in the thickness direction of the mobile communication terminal equipped with a printed circuit board (PCB) on which a plurality of chipset (Chip Set) is mounted By providing a side button device provided on one side of the board in the thickness direction, it is not necessary to provide a separate side board, thereby reducing the number of parts to be assembled, so that contact failure does not occur. Simplified, raw material and labor costs can be reduced, thereby reducing the production cost.

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

4 to 9 are views showing a side button device of a mobile communication terminal according to an embodiment of the present invention, Figure 4 is a perspective view showing the configuration of the side button device of a mobile communication terminal according to a first embodiment of the present invention 5 is an enlarged perspective view of portion A of FIG. 4, and FIG. 6 is a plan view illustrating a side button device of the mobile communication terminal according to the first embodiment of the present invention.

As shown in FIGS. 4 to 6, the side button device of the mobile communication terminal according to the first embodiment of the present invention includes a main body 110 having a printed circuit board 200 on which a plurality of chipsets 210 are mounted. And side buttons 130 including a plurality of buttons 131 provided in the thickness direction of the main body 110 so that data can be input to the main body 110, and of the printed circuit board 200. A wire 221 for transmitting an electrical signal in a surface direction is printed in a predetermined pattern 230 and provided on one surface of the printed circuit board 200 in a thickness direction so that the side button 130 can be in contact with the wire. And a plurality of signal terminals 220 in contact with the wiring 221.

And the side button 130 is configured to include a button receiving portion 132 is inserted into the thickness direction of the main body portion 110 and a plurality of buttons 131 inserted into the button receiving portion 132 is fixed As the pressing force is provided to each button 131, each button 131 is configured to be in contact with each signal terminal 220. Each of the signal terminals 220 to which each button 131 is in contact with each other is provided. ) May be configured as a dome switch.

7 is a perspective view showing the configuration of a side button device of a mobile communication terminal according to a second embodiment of the present invention, Figure 8 is an enlarged view showing a side button device of the mobile communication terminal according to a second embodiment of the present invention 9 is a perspective view illustrating a state in which a side button device of a mobile communication terminal according to a second embodiment of the present invention is operated.

As shown in FIG. 7 to FIG. 9, the plurality of signal terminals 240 constituting the side button device of the mobile communication terminal according to the second embodiment of the present invention may include a first wiring formed in the pattern 230a. A first terminal 241 electrically connected to 221a and a second terminal 242 electrically connected to a second wiring 221b extending from the pattern 230a are formed.

In addition, each button 141 constituting the side button 140 is in contact with each signal terminal 240 on one surface in contact with each signal terminal 240 to contact the first and second terminals 241a and 242b. It further comprises a terminal contact portion 141 made of a conductive material that can be electrically connected to.

Although the preferred embodiments of the present invention have been described above, the present invention is not limited thereto, and various modifications and changes can be made within the scope of the claims and the detailed description of the invention and the accompanying drawings. Naturally, it belongs to the range of.

As described above, a side button device of a mobile communication terminal according to the present invention includes a side provided in a thickness direction of a mobile communication terminal having a printed circuit board (PCB) on which a plurality of chipsets are mounted. By providing the side button device provided on one side of the printed circuit board in the thickness direction so as to be in electrical contact with the button, it is not necessary to provide a separate side board, thereby reducing the number of assembly parts, thereby preventing contact defects. Instead, the manufacturing and assembly process of the mobile communication terminal is simplified, and raw materials and labor costs can be reduced, thereby reducing the production cost.

Claims (5)

A main body having a printed circuit board on which a plurality of chipsets are mounted; A side button composed of a plurality of buttons provided in the thickness direction of the main body so as to input data into the main body; Wiring for transmitting an electrical signal in a surface direction of the printed circuit board is printed in a predetermined pattern and provided on one surface of the printed circuit board in a thickness direction so that the side buttons can contact the wiring. Side button device of a mobile communication terminal, characterized in that it comprises two signal terminals. The method of claim 1, The side button includes a button receiving portion configured to be inserted into the thickness direction of the main body portion and a plurality of buttons inserted and fixed to the button receiving portion, so that each button is connected to each signal terminal as a pressing force is provided to each button. Side button device of a mobile communication terminal, characterized in that the contact. The method of claim 2, Wherein each signal terminal comprises a dome switch. The method of claim 2, The plurality of signal terminals may include a first terminal electrically connected to a first wire extending from the pattern and a second terminal electrically connected to a second wire extending from the pattern. Device. The method according to claim 2 or 4, Each button further comprises a terminal contact portion made of a conductive material that is electrically connected to the first and second terminals in contact with the respective signal terminals on one surface in contact with the respective signal terminals. Side button device of the communication terminal.

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