KR20090027514A - Portable terminal having antenna module and antenna setting method therefor - Google Patents

Abstract

A portable terminal having an antenna module and an antenna setting method therefor are provided to mount a cover detachably arranged in a terminal having an embedded antenna and a detachably replacable antenna module, thereby providing a usable terminal under a plurality of radio communication environments. Terminal bodies(110,120) include a detachable cover. The first antenna is built in a terminal body. The first antenna operates in the first band. A detachable antenna module(200) is detachably formed by replacing the detachable antenna module by the cover. The detachable antenna module comprises the second antenna operating instead of the first antenna in the second band.

Description

PORTABLE TERMINAL HAVING ANTENNA MODULE AND ANTENNA SETTING METHOD THEREFOR}

The present invention relates to a portable terminal having a built-in antenna and a removable antenna module and a method for setting an antenna thereof.

A portable terminal is a portable device that is portable and has one or more functions such as voice and video calling, information input and output, and data storage.

As the functions are diversified, for example, the mobile terminal has complex functions such as taking a picture or video, playing a music or video file, playing a game, and receiving a broadcast, and is realized in the form of a comprehensive multimedia player. It is becoming.

Many new attempts are being applied to these multimedia devices in terms of hardware or software to implement complex functions. For example, a user interface environment is provided for a user to search for or select a function easily and conveniently.

In addition, while the portable terminal is regarded as a personal portable product for expressing its individuality, various designs are required.

One aspect of the development of information and communication technology includes a dramatic increase in the amount of data that can be transmitted and received wirelessly and the transmission speed. The antenna for this purpose is designed to be operable in a plurality of bands, and it is required to have an arrangement that meets the trend of light weight and simplicity of design of the mobile terminal.

SUMMARY OF THE INVENTION The present invention is intended to make the thickness of a terminal operated in any one or more wireless communication environments slimmer in a portable terminal operable in a plurality of wireless communication environments.

In addition, the present invention is to provide a cover and replaceable removable antenna module to reduce the space of the built-in antenna to further reduce the size and slim terminal.

In addition, the present invention is to provide an antenna setting method for selectively operating the antenna of the built-in antenna and removable antenna module mounted on the terminal.

A portable terminal according to an embodiment of the present invention for realizing the above object has a terminal body having a removable cover, a first antenna embedded in the terminal body, operating in a first band, and replaced with the cover. And a removable antenna module having a second antenna that is configured to be capable of operating in place of the first antenna in a second band.

As an embodiment of the present invention, the cover may include a battery cover covering a battery disposed on the terminal body.

In one embodiment of the present invention, the detachable antenna module may include a main body detachably coupled to the terminal body, an antenna mounting portion formed on the main body and mounted with the second antenna, and feeding the second antenna to the terminal body. It may include a feeder.

As an embodiment of the present invention, the antenna mounting portion is a portable terminal, characterized in that formed in the form of a box having an inner space for the second antenna is disposed.

As an embodiment of the present invention, the terminal body may be provided with a connecting portion for contacting the feeder when the main body is coupled.

In an embodiment of the present invention, the first band may be a WCDMA band, and the second band may include a GSM band.

On the other hand, the antenna setting method of the portable terminal according to an embodiment of the present invention is the first antenna of the built-in type operating in the first band and the second band operating in the current wireless communication environment and is replaced with the cover of the terminal body and the first And determining which of the second antennas operating in place of the antenna can operate, and operating one of the first antenna and the second antenna according to the verification result.

As an embodiment of the present invention, an antenna setting method of a mobile terminal according to an embodiment of the present invention may further include detecting whether the second antenna is mounted when the second antenna is operated.

As an embodiment of the present invention, in the antenna setting method of the mobile terminal according to an embodiment of the present invention, if it is detected that the second antenna is detached, a message for instructing to mount the second antenna is displayed on the display of the terminal. It may further comprise a step.

The present invention is equipped with a detachable cover and a replaceable detachable antenna module mounted on a terminal having a built-in antenna, to provide a terminal that can be used in a plurality of wireless communication environment and at the same time when the operation of the removable antenna module is unnecessary The thickness of can be made slimmer.

In addition, by having a battery cover and a removable antenna module replaceable, it is possible to minimize the change in the terminal design when using the terminal in the second band.

In addition, the present invention can more efficiently arrange the mounting components of the terminal by reducing the arrangement space corresponding to the second antenna.

In addition, the present invention provides an antenna setting method for selectively operating the built-in antenna mounted on the terminal and the antenna mounted on the removable antenna module to suit the currently available wireless communication environment.

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

1 is a front perspective view of an example of a mobile terminal according to the present invention;

The portable terminal of the present invention includes a first body 110 and a second body 120 configured to be slidable in at least one direction on the first body 110.

A state in which the first body 110 is disposed to overlap the second body 120 may be referred to as a closed configuration, and as shown in the drawing, the first body 110 may be referred to as the second body 120. The exposed state of at least a portion of the N may be referred to as an open configuration.

The portable terminal operates mainly in the standby mode in a closed state, but the standby mode may be released by a user's operation. In addition, although the portable terminal operates mainly in a call mode or the like in an open state, the portable terminal may be switched to a standby mode by a user's operation or a lapse of a predetermined time.

The case (casing, housing, cover, etc.) forming the exterior of the first body 110 is formed by the front case 111 and the rear case 112. Various electronic components are embedded in the space formed by the front case 111 and the rear case 112.

At least one intermediate case may be further disposed between the front case 111 and the rear case 112.

The cases may be formed by injecting a synthetic resin or may be formed of a metal material, for example, a metal material such as stainless steel (STS) or titanium (Ti).

The display body 113, the sound output unit 114, the first image input unit 115, or the first manipulation unit 116 may be disposed on the first body 110, specifically, the front case 111.

The display unit 113 includes a liquid crystal display (LCD) module, an organic light emitting diode (OLED) module, and the like that visually express information.

In addition, the display unit 113 may further include a touch screen to enable input of information by a user's touch.

The sound output unit 114 may be implemented in the form of a receiver or a speaker.

The first image input unit 115 may be implemented in the form of a camera module for capturing an image or a video of a user.

The first operation unit 116 receives a command for controlling the operation of the mobile terminal according to an embodiment of the present invention.

Like the first body 110, the front case 121 and the rear case 122 may form a case of the second body 120.

The second manipulation unit 123 may be disposed on the front surface of the second body 120, specifically, the front case 121.

The third manipulation unit 124, the sound input unit 125, and the interface 126 may be disposed on at least one of the front case 121 and the rear case 122.

The first to third manipulation units 116, 123, and 124 may be collectively referred to as manipulating portions, and may be employed in any manner as long as the user is tactile in a tactile manner.

For example, the operation unit may be implemented as a dome switch or a touch screen that can receive a command or information by a user's push or touch operation, a touch pad, or a wheel or jog method that rotates a key, or a manipulation method such as a joystick. Or the like.

In the functional aspect, the first operation unit 116 is for inputting a command such as start, end, scroll, etc., and the second operation unit 123 is for inputting numbers, letters, symbols, and the like. In addition, the third manipulation unit 124 may operate as a hot-key that performs a special function such as activation of the first image input unit 115.

The sound input unit 125 may be implemented in the form of, for example, a microphone to receive a user's voice, other sounds, and the like.

The interface 126 serves as a passage for allowing a portable terminal related to the present invention to exchange data with an external device. For example, the interface 126 may be wired or wirelessly, and a connection terminal for connecting to an earphone, a port for short-range communication (for example, an infrared port (IrDA port), a Bluetooth port, a wireless LAN port ( wireless LAN port), or at least one of power supply terminals for supplying power to the mobile terminal.

The interface 126 may be a card socket that accommodates an external card such as a subscriber identification module (SIM) or a user identity module (UIM) and a memory card for storing information.

2 is a rear perspective view of the portable terminal of FIG. 1.

Referring to FIG. 2, a second image input unit 128 may be additionally mounted on the rear surface of the rear case 122 of the second body 120. The second image input unit 128 may be a camera having a photographing direction substantially opposite to that of the first image input unit 115 (see FIG. 1) and having different pixels from the first image input unit 115.

For example, the first image input unit 115 has a low pixel so that it is easy to take a picture of a user and transmit it to a counterpart in case of a video call, and the second image input unit 128 immediately photographs a general subject. It is preferable to have a high pixel because it is not transmitted in many cases.

The flash 129 and the mirror unit 130 are further disposed adjacent to the second image input unit 128. The flash 129 shines light toward the subject when the subject is photographed by the second image input unit 128. The mirror unit 130 allows the user to see his / her own face or the like when photographing (self-taking) the user by using the second image input unit 28.

The second sound output unit 131 may be further disposed in the rear case 122.

The second sound output unit 131 may implement a stereo function together with the first sound output unit 114 (refer to FIG. 1), and may be used for a call in the speakerphone mode.

In addition, an antenna 132 for receiving a broadcast signal may be disposed on one side of the rear case 122 in addition to an antenna for a call or the like. The antenna 132 may be installed to be pulled out of the second body 120.

A portion of the slide module 133 that slidably couples the first body 110 and the second body 120 is disposed on the rear case 112 side of the first body 110.

The other part of the slide module 133 may be disposed on the front case 121 side of the second body 120 and may not be exposed to the outside as shown in the drawing.

In the above description, the second image input unit 128 and the like have been described as being disposed in the second body 120. However, the present invention is not limited thereto. For example, at least one or more of the components 128 to 132 described as disposed on the rear case 122, such as the second image input unit 128, may be disposed on the first body 110, mainly the rear case 112. It can also be mounted. In such a case, there is an advantage that the configuration (s) arranged in the rear case 112 in the closed state are protected by the second body 120. In addition, even if the second image input unit 128 is not separately provided, the first image input unit 115 may be rotatably configured to allow shooting up to the shooting direction of the second image input unit 128.

3 is an exploded perspective view of the portable terminal of FIG. 2.

The rear case 122 of the second body 120 is equipped with a battery 127 for supplying power to the portable terminal. The rear case 122 may have a battery mounting portion 133 having a recessed surface thereof, and the battery 127 may be detachably mounted to the battery mounting portion 133.

The rear case 122 is detachably mounted with a battery cover 134 for covering the battery 127. The battery cover 134 may be formed in a plate shape and may be configured to cover the rear surface of the rear case 122 in contact with the rear surface of the rear case 122. The battery case 134 may be formed of a metal material or a synthetic resin material.

The battery cover 134 and the rear case 122 have locking portions 135 (see FIG. 2) for fixing and releasing the battery cover 134 so that the battery cover 134 is detachably coupled to the rear case 122. Can be formed. The battery cover 134 penetrates to expose the second image input unit 128, the flash 129, the mirror unit 130, and the second sound output unit 131 disposed on the rear case 122 to the outside. Holes 136 may be formed.

A printed circuit board 137 is disposed in an inner space between the front case 121 and the rear case 122, and electronic components that perform various functions of the portable terminal are mounted on the printed circuit board 137.

One surface of the printed circuit board 137 is mounted with a first antenna 140 operating in a first band, and the first antenna 140 includes a radiator 141, a carrier 142, and a power feeding unit.

The radiator 141 is formed of a conductive material, and a predetermined pattern is formed to transmit and receive a signal of the first band so that the first antenna 141 operates in the first band. Here, the first band may be any band in which an antenna that can be disposed inside the terminal may operate, for example, a code division multiple access (CDMA) band, a wideband code division multiple access (WCDMA) band, or the like.

The carrier 141 is for mounting and supporting the radiator 141 and may be formed of a synthetic resin material.

A feeder for connecting the radiator 141 and the printed circuit board 137 may be disposed on the rear surface of the carrier 141, that is, the portion contacting the printed circuit board. The power supply unit supplies a signal received from the radiator 141 to the printed circuit board and transmits the signal to the wireless communication module, and transmits a signal sent from the wireless communication module to the radiator 141.

The printed circuit board 137 may have a connection portion 150 in the form of a connection terminal, and a through hole 138 may be formed in the rear case 122 to expose the connection portion 150 to the outside of the second body 120. Let's do it.

4 is a perspective view of a portable terminal showing a removable antenna module 200, Figure 5 is an exploded perspective view of the removable antenna module 200 of FIG.

The removable antenna module 200 according to the present invention may be mounted in the rear case 122 by being replaced with the battery cover 134. The removable antenna module 200 has a second antenna 230 (refer to FIG. 5) operating in place of the first antenna 140 in the second band.

Here, the second band refers to a frequency band different from the first band, and may include a plurality of bands. For example, the second antenna 230 may be configured to be operable in all bands such as Global System for Mobile Telecommunication (GSM) 900, GSM 1800, GSM 1900, and the like.

The removable antenna module 200 includes a main body 210 and an antenna mounting unit 220 on which the second antenna 230 is mounted.

The main body 210 may be detachably coupled to the rear case 122, may be formed in a plate shape covering the battery 127 disposed in the rear case 122, and may be formed of a synthetic resin or a metal material. For example, the body 210 may be configured to have the same configuration as the battery cover 134 as in the present embodiment.

The main body 210 and the rear case 122 may be provided with locking parts (see FIG. 2 and 135) for fixing and releasing the main body 210 to the rear case 122, and are disposed on the rear case 122. Through holes 236 may be formed to expose the second image input unit 128, the flash 129, the mirror unit 130, and the second acoustic output unit 131 to the outside.

The antenna mounting unit 220 is to provide a space for mounting the second antenna 230, and may be mounted on one surface of the main body 210.

As shown in FIG. 5, the antenna mounting unit 220 may be formed in a case or cover shape covering the second antenna 230, and may be formed in a box shape of a rectangular parallelepiped as in the present embodiment. The antenna mounting unit 220 may be implemented in various forms such as a box having a circular, pentagonal, and hexagonal cross section according to the design of the terminal, provided that the antenna mounting unit 220 may cover the second antenna 230 while having an internal space. In addition, the antenna mounting unit 220 may be integrally formed with the main body.

The second antenna 230 includes a radiator 231 and a carrier 232 disposed inside the antenna mounting unit 220.

The radiator 231 is formed of a conductive material, and a predetermined pattern for transmitting and receiving a signal of the second band is formed. The radiator 231 may be formed to have a multi band to transmit and receive signals of a plurality of bands.

The carrier 232 is coupled to the main body 210 to simultaneously seat and support the radiator 231, and may be formed of a synthetic resin material having a predetermined thickness.

6 is a cross-sectional view of the detachable antenna assembly 200 along the VI-VI line of FIG. 5, and FIGS. 7A and 7B are cross-sectional views illustrating the connection portions 150.

The removable antenna assembly 200 includes a power feeding unit 233 for feeding the second antenna 230 to the second body 120.

The feeder 233 may be formed in the form of a pad or a terminal of a conductive material connected to the radiator 231, and may be connected to the second body 120 when the removable antenna assembly 200 is coupled to the second body 120. The second antenna 230 and the second body 120 are electrically connected to each other to exchange signals with each other.

To this end, a connection part 150 for contacting the power supply part 233 may be disposed on the second body 120. The connection part 150 may include a power supply part when the main body 210 is coupled to the rear case 122. 233 is electrically connected to power the second antenna 230 to the second body 120.

As shown in FIG. 3, the connection unit 150 may be directly mounted to the printed circuit board 137, or alternatively, the connection unit 150 may be mounted to the rear case 122 and electrically connected to the printed circuit board 137.

As shown in FIG. 7A, the connection part 150 may include a connection terminal 151 made of an elastically deformable material in order to strengthen the contact with the power supply part 233 and to stably maintain it. A conductive pad 152 is mounted on the printed circuit board 137, and a connection terminal 151 made of a conductive material that is bent in a 'C' shape and elastically deformed is disposed on an upper surface thereof. When the removable antenna assembly 200 is coupled, the connection terminal 151 is in contact with the power feeding unit 233 to cause elastic deformation, thereby maintaining a stable contact state by the restoring force.

As shown in FIG. 7B, the connection part 150 is provided with a connection terminal 153 which is arranged to be movable in a direction in which the main body 120 substantially enters the second body 120, and provides an elastic force to the connection terminal 153. It may include a spring 154.

A housing 156 made of a conductive material is disposed on an upper surface of the conductive pad 155 disposed on the printed circuit board 137, and a connection terminal 153 is disposed in the housing 156 to be movable. Here, one end of the connection terminal 153 may be formed to be caught by the housing 156 when moved. One side of the connection terminal 153 may be mounted with a spring 154 to provide an elastic force to the movement of the connection terminal 153.

According to such a configuration, when the detachable antenna assembly 200 is coupled, the connection terminal 153 contacts the feeder 233 to move in the direction of entry of the main body 210, and the spring 154 is connected to the connection terminal 153. The elastic force in the opposite direction is applied. Therefore, the connection terminal 153 and the power feeding unit 233 maintain a stable contact state.

Hereinafter, an operating state of the mobile terminal 100 will be described based on the configuration of the mobile terminal 100 described above.

In the following description, the WCDMA band will be described as an example of the first band, and the GSM band will be described as an example of the second band.

In an area where a WCDMA wireless communication network is provided, a user may use the portable terminal 100 by mounting a battery cover 134 on the second body 120. Here, the first antenna 140 transmits and receives a signal having a frequency of the WCDMA band.

When the user moves to an area in which a GSM type wireless communication network is provided, the battery cover 134 may be removed from the second body 120, and the removable antenna module 200 may be mounted on the second body 120 to be used. have. Here, the first antenna 140 is not operated. Instead, the second antenna 230 transmits and receives a signal having a frequency in the GSM band.

When the portable terminal 100 is used in an area where a WCDMA wireless communication network is provided, the portable terminal 100 according to the present invention includes both the first antenna 140 and the second antenna 230 inside the terminal body. The arrangement space can be reduced by the space corresponding to the second antenna 230 than in the case of arrangement. By implementing the second antenna 230 in a detachable manner, it is possible to implement a portable terminal having a more compact and slim design in an area where a WCDMA wireless communication network is provided.

In an area where a GSM type wireless communication network is provided, the removable antenna module 200 having the main body 210 having the same configuration as the battery cover 134 may be installed to minimize the influence on the appearance of the terminal.

In the above description, the parts replaced with the removable antenna module 200 have been described using the battery cover 134 as an example, but mounting parts having a cover form mounted on the first body 110 and the second body 120 (for example, The covers covering the display unit 113 may also be configured to be replaced with the removable antenna module 200.

In addition, the embodiment described above has been described based on a slide type portable terminal, but the present invention can be applied to a portable terminal such as a bar type, a folder type, a swing type, a swivel type, and the like.

8 is a block diagram of a portable terminal according to the present invention.

One example of the present invention shown is the wireless communication module 161, the operation unit 116, 123, 124, the image input unit 115, 128, the sound input unit 125, the display unit 113, the sound output unit 114, 131, the sensing unit 166, The interface 126, the broadcast receiving module 165, the memory 164, the battery 127, and the controller 160 are included.

The controller 160 typically controls the overall operation of the mobile terminal. For example, perform related control and processing for voice calls, data communications, video calls, and the like.

In addition to the normal function control, the controller 160 additionally controls the operations of the first antenna 140 and the second antenna 230 related to the present invention.

The wireless communication module 161 transmits / receives a radio signal with the mobile communication base station through the first antenna 140 or the second antenna 230. For example, under the control of the controller 160, the transmitter 162 is responsible for transmitting and receiving voice data, text data, video data, and control data, and modulates and transmits a signal to be transmitted, and a receiver for demodulating the received signal. 163).

The wireless communication module 161 selectively transmits and receives wireless signals in the first band and the second band according to a command of the controller 160.

The controller 160 determines which antenna of the first antenna 140 and the second antenna 230 can operate in the current wireless communication environment, and the controller 160 transmits a signal for the antenna to the wireless communication module 161. The wireless communication module 161 transmits and receives a signal of a corresponding band by connecting a path with the first antenna 140 or the second antenna 230.

The operation units 116, 123, and 124 are configured as shown in FIG. 1 to provide the control unit 160 with key input data input by the user for controlling the operation of the terminal.

The image input units 115 and 128 process image frames such as still images or moving images obtained by an image sensor in a video call mode or a photographing mode. The processed image frame is converted into image data displayable on the display unit 113 and output to the display unit 113.

The image frames processed by the image input units 115 and 128 are stored in the memory 164 under the control of the controller 160 or transmitted to the outside through the wireless transceiver 161.

The sound input unit 125 receives an external sound signal by a microphone in a call mode, a recording mode, a voice recognition mode, etc., and processes the external sound signal into electrical voice data. The processed voice data is converted into a form transmittable to the mobile communication base station through the wireless communication module 161 and output to the wireless communication module in the call mode. In the recording mode, the processed voice data is output to be stored in the memory 164.

The sound input unit 125 may implement various noise removing algorithms for removing noise generated in the process of receiving an external sound signal.

The display 113 displays and outputs information processed by the portable terminal. For example, when the mobile terminal is in a call mode, the control unit 160 displays and outputs a user interface (UI) or a graphic user interface (GUI) related to the call. When the mobile terminal is in the video call mode or the photographing mode, the mobile terminal displays and outputs the captured image, UI, or GUI under the control of the controller 160. When the display unit 113 includes a touch screen, the display unit 113 is used as an input device in addition to the output device.

The sound output units 114 and 131 may receive sound data or memory 164 received from the wireless communication module 161 under the control of the control unit 160 in a call signal reception, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, and the like. The stored sound data is converted and output to the outside.

In addition, the sound output units 114 and 131 output sound signals related to a function (for example, a call signal reception sound and a message reception sound) performed in the portable terminal.

The sensing unit 166 detects a current state of the portable terminal such as an open / closed state of the portable terminal, a position of the portable terminal, presence or absence of a user contact, and generates a sensing signal for controlling the operation of the portable terminal. For example, when the portable terminal is in the form of a slide phone, whether the slide phone is opened or closed is sensed so as to output a sensing result to the controller 160 to control the operation of the terminal. In addition, the battery 127 is responsible for sensing functions related to whether the power is supplied or whether the interface 126 is coupled to an external device.

In addition, the sensing unit 166 is responsible for detecting whether or not the mounting antenna module 200 is mounted on the second antenna 230 in accordance with the present invention.

The interface 126 may be connected to a mobile terminal using a wired / wireless headset, an external charger, a wired / wireless data port, a card socket (eg, a memory card, a SIM / UIM card), or the like. It serves as an interface with the device. Such an interface 26 receives data from an external device or receives power and transmits the data to each component inside the mobile terminal or transmits the data inside the mobile terminal to the external device.

The memory 164 may store a program for processing and controlling the control unit 160, and provides a function for temporarily storing input / output data (for example, a phone book, a message, a still image, a video, etc.). It can also be done.

This memory 164 includes concepts such as hard disks, card type memory (eg, SD or XD memory, etc.), flash memory, RAM, ROM, and the like, which are generally known.

The broadcast receiving module 165 receives a broadcast signal transmitted through a satellite or terrestrial wave, converts the broadcast signal into a broadcast data format that can be output to the sound output units 114 and 131 and the display unit 113, and outputs the broadcast signal to the controller 160. In addition, the broadcast receiving module 165 receives additional data related to the broadcast (for example, an EPG (electric program guide), a channel list, etc.). The broadcast data and additional data converted by the broadcast receiving module 165 may be stored in the memory 164.

The power supply unit (battery) 27 receives external power and internal power by the control of the control unit 160 to supply power required for the operation of each component.

9 is a flowchart illustrating a method for setting an antenna of a mobile terminal according to the present invention.

The controller 160 checks an antenna operable in a current wireless environment among the first antenna 140 and the second antenna 230 (S10).

When it is confirmed that the first antenna 140 is operable as a result of the checking (S20), the part 160 transmits a first signal to the wireless communication module 161 to transmit the wireless communication module 161 and the first antenna 140. The path of the is connected (S21).

When it is confirmed that the second antenna 230 is operable as a result of the checking (S20), the controller 160 transmits a second signal to the wireless communication module 161 to transmit the wireless communication module 161 and the second antenna 230. Pass is connected (S22). Then, it is detected whether the removable antenna unit 200 equipped with the second antenna 230 is mounted through the sensing unit 166 (S23).

When it is detected that the second antenna 230 is mounted, the controller 160 maintains a path connection between the wireless communication module 161 and the second antenna 230 (S24).

When it is detected that the second antenna 230 is not mounted (S23), the controller 160 displays a message for guiding the second antenna 230 to be mounted on the display 113 (S25). The guide message may be implemented in various forms such as a text, a picture, a video.

When the sensing unit 166 detects the mounting of the second antenna 230 after displaying the guide message (S23), the controller 160 maintains a path connection between the wireless communication module 161 and the second antenna 230. .

The portable terminal having the antenna module as described above and an antenna setting method thereof are not limited to the configuration and method of the above-described embodiments, but the embodiments are all or part of each of the embodiments so that various modifications can be made. It may be configured in combination.

1 is a front perspective view of a mobile terminal according to an embodiment of the present invention;

2 is a rear perspective view of a mobile terminal according to an embodiment of the present invention;

3 is an exploded perspective view of the portable terminal of FIG. 2;

Figure 4 is a perspective view of a mobile terminal showing a removable antenna module.

5 is an exploded perspective view of the removable antenna module of FIG. 4.

6 is a cross-sectional view of the removable antenna assembly along the VI-VI line of FIG.

7A and 7B are cross-sectional views illustrating the connecting portion of FIG. 6.

8 is a block diagram of a portable terminal according to the present invention;

9 is a flow chart for implementing an antenna setting method of a mobile terminal according to the present invention.

Claims (14)

A terminal body having a removable cover; A first antenna embedded in the terminal body and operating in a first band; And And a detachable antenna module formed to be detachable from the cover and having a second antenna operating in place of the first antenna in a second band. The method of claim 1, The cover is a portable terminal, characterized in that the battery cover for covering the battery disposed in the terminal body. The method of claim 2, The battery cover is a portable terminal, characterized in that formed in the form of a plate in contact with one surface of the body. The method of claim 1, wherein the removable antenna module, A main body detachably coupled to the terminal body; An antenna mounting part formed on the main body and on which the second antenna is mounted; And And a feeder configured to feed the second antenna to the terminal body. The method of claim 4, wherein The main body is formed in the form of a plate, characterized in that configured to cover the battery disposed in the terminal body. The method of claim 5, The antenna mounting portion is a portable terminal, characterized in that formed in the form of a box having an inner space for the second antenna is disposed. The method of claim 4, wherein The terminal body is a portable terminal, characterized in that the connection portion for contacting the power feeding portion is disposed when the main body is coupled. The method of claim 7, wherein The connection part is a portable terminal, characterized in that the connection terminal of the conductive material elastically deformable. The method of claim 7, wherein the connection portion, A connection terminal made of a conductive material movably disposed in the terminal body; And And a spring for providing an elastic force to the connection terminal. The method of claim 1, And wherein the first band is a WCDMA band and the second band is a GSM band. In the present wireless communication environment, which antenna may be operated, which may include an internal first antenna operating in the first band and a second antenna operating in the second band and replaced with a cover of the terminal body to operate in place of the first antenna. Confirming; And And operating one of the first antenna and the second antenna according to the verification result. The method of claim 11, And detecting whether or not the second antenna is mounted when the second antenna is operated. The method of claim 12, And if it is detected that the second antenna is separated, displaying a message on the display of the terminal for guiding the second antenna to be mounted. The method of claim 11, And wherein the first band is a WCDMA band and the second band is a GSM band.

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