KR20060125393A - Removable internal type antenna module and mobile communication terminal having removable internal type antenna module - Google Patents

Abstract

A removable internal type antenna module and a mobile communication terminal having the same are provided to enhance communication quality by preventing the loss in a specific frequency band or the deterioration of antenna gain. In a removable internal type antenna module, an antenna(500) transceives a communication signal corresponding to a preset frequency band. An antenna case is made of material having permittivity without the influence on the transceiving of communication signal of the antenna(500) and has a connecting unit electrically connected to a printed circuit board inside the mobile communication terminal. The antenna(500) is inserted and fixed into the inside of the antenna case.

Description

REMOVABLE INTERNAL TYPE ANTENNA MODULE AND MOBILE COMMUNICATION TERMINAL HAVING REMOVABLE INTERNAL TYPE ANTENNA MODULE}

1 is a side sectional view showing a conventional mobile communication terminal provided with a built-in antenna module.

2 to 6 show a removable antenna module according to an embodiment of the present invention,

2 is a perspective view illustrating an antenna constituting a detachable antenna module according to an exemplary embodiment of the present invention.

3 is a perspective view illustrating an antenna case constituting a detachable antenna module according to an exemplary embodiment of the present invention.

4 is a perspective view illustrating a detachable antenna module according to an embodiment of the present invention.

5 is a perspective view illustrating a shape in which a removable antenna module according to an embodiment of the present invention is mounted on a slide type mobile communication terminal.

6 is a perspective view illustrating a shape in which a detachable antenna module according to an embodiment of the present invention is mounted on a folder type mobile communication terminal.

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

100: slide type mobile communication terminal 110: cover part

111: display unit 112: function keys

113: second printed circuit board 114: first printed circuit board

115: receiver 120: main body

121: printed circuit board 121a: antenna module insertion hole

121a ': Coupling pin 120b: Cover

122: boss portion 123: key input portion

124: third printed circuit board 125: battery

200: slide module 300: antenna

400: antenna case 410: connection part (socket)

411: ground socket 412: signal socket

413: ground portion 414: ground feed line

415: signal feedline 500: antenna

510: pin 511: ground pin

512: signal pin 600: antenna module

700: folder type mobile communication terminal 710: folder part

711: display unit 720: main body

720a: Antenna module insertion hole 720b: Cover

723: key input unit 730: hinge coupling unit

The present invention provides a voice call and data using a mobile communication terminal capable of transmitting and receiving mobile and communication signals, such as a mobile phone, a personal digital assistant (PDA) and a notebook computer capable of transmitting and receiving communication signals. In transmitting / receiving communication signals such as communication, radiate electric wave corresponding to a specific frequency or move electromotive force by electric wave corresponding to the frequency and make electrical contact with the main printed circuit board of the mobile communication terminal. The present invention relates to a mobile communication terminal having a detachable antenna module and a detachable antenna module configured to be detachably mounted inside a communication terminal.

In general, a mobile communication terminal is a wireless communication device configured to enable voice communication and data communication with a specific person while being carried by a user, and to call a specific mobile communication terminal when making a voice call using the mobile communication terminal. It is composed of a system for enabling a call between the sender and the receiver when a response is received from the mobile communication terminal after transmitting a call message including the unique number of the base station through the call channel.

The mobile communication terminal is a portable mobile communication device that is portable and can transmit and receive communication signals such as a mobile phone or a personal digital assistant (PDA) and a notebook computer capable of transmitting and receiving communication signals. Collectively, the mobile communication terminal is provided with an antenna device capable of transmitting and receiving communication signals such as the voice call or data signal in order to transmit and receive the above-mentioned communication signals such as voice call or data communication.

Here, the antenna device provided in the mobile communication terminal receives a communication signal introduced from the outside of the mobile communication terminal and transmits a communication signal transmitted from the communication signal transmitting device provided inside the mobile communication terminal to the outside of the mobile communication terminal. It plays a role.

Herein, the antenna device mounted on the above-described slide type mobile communication terminal will be described with reference to FIG. 1.

1 is a side cross-sectional view illustrating a conventional mobile communication terminal provided with a built-in antenna module. The mobile communication terminal 100 provided with the conventional built-in antenna module illustrated in FIG. 1 illustrates a general mobile phone. The mobile phone has been developed from a bar-type mobile communication terminal to a flip-type, folder-type mobile communication terminal, and recently, a slide type mobile communication terminal in which a cover part of a mobile communication terminal is slid and opened is developed and released. have.

Accordingly, the mobile communication terminal 100 equipped with the conventional built-in antenna module illustrated in FIG. 1 illustrates a general slide type mobile phone.

As shown in FIG. 1, a mobile communication terminal 100 equipped with a conventional built-in antenna module includes a display unit such as an LCD (Liquid Crystal Display, LCD, hereinafter referred to as “LCD”) module that outputs an image signal. 111 and a function key 112 for inputting data for controlling various functions of the first printed circuit board 114 and the mobile communication terminal 100 to process the electrical signals of the display 111 and the The cover 110 is provided with a second printed circuit board 113 for processing an electrical signal of the function key 112.

The cover unit 110 includes a main printed circuit board 121 mounted with a plurality of chipsets (not shown) for controlling basic arithmetic functions of the mobile communication terminal 100 and electrical signals such as the display 111. It is coupled to the main body portion 120 provided with the cover 110 is configured to slide the movement relative to the main body portion 120 to open and close the front of the main body portion 120.

On the other hand, the upper end of the main body 120 in the transmission and reception of communication signals, such as voice calls and data communications using the mobile communication terminal 100 to radiate a radio wave corresponding to a specific frequency or to a radio wave corresponding to the frequency By dissipating electromotive force by the built-in antenna module 300 is electrically connected to the main printed circuit board 121.

However, the built-in antenna device 300 provided in the mobile communication terminal 100 provided with the conventional built-in antenna module having the structure as described above is configured to be fixed inside the main body 120 of the mobile communication terminal 100 In addition, since the fixed one antenna device is designed to cover a plurality of frequency bands, transmission and reception of a communication signal may not be possible in a specific frequency band other than a plurality of preset frequency bands. Even in the frequency band that the antenna device 300 can cover, there is a problem in that transmission / reception loss of a communication signal or a decrease in antenna gain occurs in any specific frequency band.

In addition, the built-in antenna device 300 provided in the conventional mobile communication terminal 100 provided with the built-in antenna module is not converted to the optimal frequency band required to implement a specific function of the mobile communication terminal 100 There is a problem in that the frequency band required for implementing a specific function using the mobile communication terminal 100 can not be easily converted.

And the characteristics and bands of the frequency may be different for each region where the user of the mobile communication terminal 100 is present, the built-in antenna device 300 provided in the mobile communication terminal 100 provided with the conventional built-in antenna module is a specific frequency Because it is designed to only correspond to the user of the mobile communication terminal 100 is subject to the place and time using the mobile communication terminal 100, thereby smoothly moving the position to be used of the mobile communication terminal 100 There is a problem that this cannot be coped.

In addition, the built-in antenna device 300 provided in the conventional mobile communication terminal 100 with the built-in antenna module is inserted into the mobile communication terminal 100 is provided in a fixed form to replace the antenna module and There is a problem that the replacement and inspection cannot be performed smoothly when the inspection is necessary.

Accordingly, an object of the present invention is to solve the above problems, and an object of the present invention is to selectively mount an antenna module having a signal of an optimal frequency band in a mobile communication terminal to implement a specific function of the mobile communication terminal. Therefore, the mobile terminal can be easily converted to the frequency band required to implement a specific function, thereby removing the removable antenna module and removable antenna module that can implement the function of the mobile terminal in the optimal environment It is to provide a mobile communication terminal having.

In addition, by providing a built-in antenna module module that is designed and manufactured to correspond to the signal of one frequency band or a plurality of specific region frequency band as a detachable antenna module module for voice call and data communication using the communication signal There is no loss in the specific frequency band or antenna gain that occurs when all the antenna bands are covered by one antenna device, so that the characteristics are excellent and the voice call and data communication of clearer and more pleasant call quality The present invention provides a mobile communication terminal having a detachable antenna module and a detachable antenna module.

In addition, by selecting and mounting antennas with different frequency characteristics in the mobile communication terminal according to the needs of the user, the mobile communication terminal can be efficiently used regardless of the location and time according to the user's current location in performing voice call and data communication. The present invention provides a mobile communication terminal having a detachable antenna module and a detachable antenna module capable of transmitting and receiving communication signals.

In addition, since the antennas having different frequency characteristics are modularized and provided to be detachable from the mobile communication terminal, when the antenna module needs to be replaced and inspected, a detachable antenna module and a detachable antenna module are provided. It is to provide a mobile communication terminal having.

In order to achieve the above object, the detachable antenna module according to the present invention includes an antenna for transmitting and receiving a communication signal corresponding to a preset frequency band and a material having a dielectric constant that does not affect the communication signal transmission and reception of the antenna. The antenna is inserted and fixed therein and provides a detachable antenna module comprising an antenna case having a connection portion electrically connected to a printed circuit board provided inside the mobile communication terminal.

According to the above configuration, in implementing a specific function of the mobile terminal, an antenna module having a signal having an optimal frequency band can be selectively mounted in the mobile terminal, thereby implementing a specific function using the mobile terminal. In this case, it is possible to easily convert the required frequency bands, thereby realizing the function of the mobile communication terminal in the optimal environment.

In addition, by providing a built-in antenna module module that is designed and manufactured to correspond to the signal of one frequency band or a plurality of specific region frequency band as a detachable antenna module module for voice call and data communication using the communication signal There is no loss in the specific frequency band or antenna gain that occurs when all the antenna bands are covered by one antenna device, so that the characteristics are excellent and the voice call and data communication of clearer and more pleasant call quality There is an effect that can be implemented.

In order to achieve the above object, a mobile communication terminal having a detachable antenna module according to the present invention includes a printed circuit board mounted with a plurality of chipsets for carrying out main functions of the mobile communication terminal, and the printed circuit board therein. And an antenna case in which the main body unit and the printed circuit board are electrically contacted with each other, and a connection unit is mounted and detachable to the main body unit, and an antenna for transmitting and receiving a communication signal corresponding to a preset frequency band therein. It provides a mobile communication terminal having a detachable antenna module, characterized in that configured to include an antenna module including.

According to the configuration as described above, according to the user's needs, by selecting and mounting antennas with different frequency characteristics to the mobile communication terminal, regardless of the location and time according to the user's current location in performing voice calls and data communication There is an effect that the terminal can efficiently transmit and receive communication signals.

In addition, since the antennas having different frequency characteristics are modularized to be detachable from the mobile communication terminal, when the antenna module needs to be replaced and inspected, the antenna can be easily replaced and inspected.

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.

2 to 6 show a removable antenna module according to an embodiment of the present invention, Figure 2 is a perspective view showing the antenna constituting the removable antenna module according to an embodiment of the present invention, Figure 3 is 4 is a perspective view illustrating an antenna case constituting a detachable antenna module according to an exemplary embodiment of the present invention, and FIG. 4 is a perspective view illustrating a detachable antenna module according to an exemplary embodiment of the present invention.

2 to 4, the detachable antenna module 600 according to the embodiment of the present invention includes an antenna 500 for transmitting and receiving a communication signal corresponding to a preset frequency band, and the communication of the antenna 500. Is formed of a material having a dielectric constant that does not affect the signal transmission and reception, the antenna 500 is inserted and fixed therein and the electrical contact with the printed circuit board 121 provided inside the mobile communication terminal 100 ( It is characterized in that it comprises a 410, the antenna case 400 is provided.

Here, as shown in FIG. 2, the antenna 500 and the printed circuit board 121 may secure the resonance frequency and sufficient bandwidth of the antenna 500 in transmitting and receiving the communication signal. A ground pin 511 electrically connecting a ground layer (not shown) provided therein, and a radio wave and electromotive force radiated and induced from the antenna 500 to be electrically connected to the main printed circuit board 121. It is configured to include a signal pin 512 to electrically connect the antenna 500 and the main printed circuit board 121 so that.

In addition, the connection part 410 provided in the antenna case 400 may be in contact with the ground pin 511 and the signal pin 512. The pins 511 and 512 in the antenna case 400 may be electrically contacted with each other. A ground part 413 provided at a position corresponding to the position where the c) is provided, feed lines 414 and 415 electrically connected to the ground part 413 and extending out of the antenna case 400; The extended feed lines 414 and 415 are accommodated therein, and the extended feed lines 414 and 415 may be electrically connected to the main printed circuit board 121. It is configured to include a socket 410 protruding on one side.

As shown in FIG. 3, the feed lines 414 and 415 have the ground signal and the signal signal output from the ground pin 511 and the signal pin 512, respectively. ) And a ground feed line 414 and a signal feed line 415 provided to be electrically connected to each other.

Thus, the socket 410 may include a ground socket 411 in which the ground feed line 414 is accommodated therein and a signal socket 412 in which the signal feed line 415 is received therein. Can be.

Here, the antenna case 400 is formed of a material having a dielectric constant that does not affect the communication signal transmission and reception of the antenna 500 inserted and fixed therein as described above, and the antenna case 400 as described above. ) And having a dielectric constant that does not affect the communication signal transmission and reception of the antenna 500 may be made of polycarbonate (POLYCARBONATE).

In addition, the preset frequency band of the above-described antenna 500 may be composed of a selected band of 1.8 ~ 1.9Ghz and 800 ~ 900Mhz.

Here, the frequency band of 1.8 to 1.9 GHz is a frequency band required for using a PCS mobile communication terminal, and the frequency band of 800 to 900 MHz is a frequency band required for using a cellular mobile communication terminal. .

As described above, the band of the preset frequency disclosed in the claims of the present invention may be configured as a band selected from 1.8 to 1.9 GHz and 800 to 900 MHz. In accordance with the change in the transmission method may be implemented by changing to the frequency band required for using a specific mobile communication terminal.

Referring to FIGS. 5 and 6, the removable antenna module 600 is mounted on the mobile communication terminal 100 as described above.

5 is a perspective view illustrating a shape in which a detachable antenna module is mounted on a slide type mobile communication terminal according to an embodiment of the present invention, and FIG. 6 is a folder type movement of the detachable antenna module according to an embodiment of the present invention. It is a perspective view which shows the shape attached to a communication terminal.

As shown in FIG. 5 and FIG. 6, the mobile communication terminal 100 having the detachable antenna module 600 according to an embodiment of the present invention has a plurality of chipsets (not shown) that perform main functions of the mobile communication terminal 100. Printed circuit board 121, the main body 120 formed by including the printed circuit board 121, and the printed circuit board 121 are electrically contacted with the main body part ( An antenna module 600 including an antenna case 400 having a connecting portion 410 that can be mounted and detached at 120 and having an antenna 500 therein for transmitting and receiving a communication signal corresponding to a preset frequency band therein. It may be configured to include a feature.

Here, the printed circuit board 121 provided inside the main body 120 of the mobile communication terminal 100 may further include a coupling pin 121a 'that may be electrically coupled to the connection portion 410. Can be.

In addition, the main body 120 having the printed circuit board 121 corresponds to the size of the antenna module 600 so that the antenna module 600 can be inserted into and mounted in the main body 120. The antenna module insertion hole 121a and the cover 120b may be configured to open and close the antenna module insertion hole 121a.

As described above, the preset frequency band of the antenna module 600 configured to be selectively mounted and detached from the mobile communication terminal 100 is a frequency band required for using a PCS mobile communication terminal. It can be composed of the selected band of 1.8 ~ 1.9GHz and the frequency (800 ~ 900Mhz) frequency band required for using the cellular (Cellular) mobile terminal.

In the drawings of the present invention, the mobile communication terminals of the slide type and the folder type are illustrated as the mobile communication terminal, but the mobile communication terminal having a detachable antenna module according to an embodiment of the present invention is the portable communication terminal as described above. A mobile communication terminal capable of transmitting and receiving communication signals such as voice calls and data communications by transmitting or receiving a portable or communication signal such as a personal digital assistant (PDA) and a notebook computer capable of transmitting and receiving communication signals as well as a telephone Of course it can be used.

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, the mobile communication terminal having a detachable antenna module and a detachable antenna module according to the present invention selects an antenna module having a signal having an optimal frequency band to the mobile communication terminal in implementing a specific function of the mobile communication terminal. Due to the fact that the mobile communication terminal can be installed, it is possible to easily convert the frequency band necessary for implementing a specific function using the mobile communication terminal, thereby realizing the function of the mobile communication terminal in an optimal environment.

In addition, by providing a built-in antenna module module that is designed and manufactured to correspond to the signal of one frequency band or a plurality of specific region frequency band as a detachable antenna module module for voice call and data communication using the communication signal There is no loss in the specific frequency band or antenna gain that occurs when all the antenna bands are covered by one antenna device, so that the characteristics are excellent and the voice call and data communication of clearer and more pleasant call quality There is an effect that can be implemented.

In addition, by selecting and mounting antennas with different frequency characteristics in the mobile communication terminal according to the needs of the user, the mobile communication terminal can be efficiently used regardless of the location and time according to the user's current location in performing voice call and data communication. There is an effect that can transmit and receive a normal communication signal.

In addition, since the antennas having different frequency characteristics are modularized to be detachable from the mobile communication terminal, when the antenna module needs to be replaced and inspected, the antenna can be easily replaced and inspected.

Claims (12)

An antenna for transmitting and receiving a communication signal corresponding to a preset frequency band; An antenna case is formed of a material having a dielectric constant that does not affect the communication signal transmission and reception of the antenna, the antenna is inserted and fixed therein and provided with a contact portion electrically connected to a printed circuit board provided inside the mobile communication terminal. Removable antenna module, characterized in that comprising a. The method of claim 1, The antenna, A ground pin for electrically connecting the antenna and a ground layer provided on the printed circuit board so as to secure a resonance frequency and a sufficient bandwidth of the antenna in transmitting and receiving the communication signal; And a signal pin for electrically connecting the antenna and the main printed circuit board so that radio waves and electromotive force radiated and induced by the antenna can be electrically connected to the main printed circuit board. Antenna module available. The method of claim 2, The connecting portion, A ground part provided at a position corresponding to a position at which each pin is provided in the antenna case so as to be in electrical contact with the ground pin and the signal pin; A feed line electrically connected to the ground portion and extending out of the antenna case; The extended feed line is accommodated therein and is removable, characterized in that it comprises a socket protruding on one side of the outside of the antenna case so that the extended feed line is electrically connected to the main printed circuit board. Antenna module. The method of claim 3, The feed line, A detachable antenna module, comprising: a ground feed line and a signal feed line provided to be electrically connected to the printed circuit board by separating the ground signal and the signal signal respectively output from the ground pin and the signal pin; . The method of claim 4, wherein The socket is A ground socket in which the ground feed line is received; And the signal feed line is configured to include a signal socket accommodated therein. The method of claim 5, The antenna case is removable material, characterized in that the polycarbonate (POLYCARBONATE). The method according to any one of claims 1 to 6, The preset frequency band, Removable antenna module, characterized in that the selected band of 1.8 ~ 1.9GHz and 800 ~ 900Mhz. A printed circuit board equipped with a plurality of chipsets which perform main functions of a mobile communication terminal, A main body part including the printed circuit board formed therein; And an antenna module including an antenna case electrically connected to the printed circuit board and provided with a connecting portion detachable from the main body and having an antenna therein for transmitting and receiving a communication signal corresponding to a preset frequency band therein. Mobile communication terminal having a removable antenna module, characterized in that the configuration. The method of claim 8, The printed circuit board is a mobile communication terminal having a detachable antenna module further comprises a coupling pin that can be electrically coupled with the connection. The method of claim 9, The main body unit having a removable antenna module, characterized in that it comprises an antenna module insertion hole corresponding to the size of the antenna module so that the antenna module is inserted into the main body portion can be mounted. The method of claim 10, The main body unit having a removable antenna module characterized in that it further comprises a cover for opening and closing the antenna module insertion port. The method according to any one of claims 8 to 11, The preset frequency band, Mobile communication terminal having a removable antenna module, characterized in that the selected band of 1.8 ~ 1.9GHz and 800 ~ 900Mhz.

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