KR100663518B1 - Antenna switching apparatus for mobile phone - Google Patents

Abstract

An antenna switch unit of a portable terminal is provided to enhance a usage efficiency of the portable terminal, to enhance an antenna gain or performance by selecting an antenna frequency signal in accordance with a usage mode, and to enhance portability due to unnecessary to install other special antenna for watching TV. An antenna switch unit of a portable terminal comprises an antenna switch module(100) which changes an antenna frequency signal in accordance with a usage mode of the portable terminal by being electrically connected to the terminal according as the second housing slides from the first housing or rotates. The antenna switch module(100) includes connecting terminals(101), electrical connectors(102) and a switch controller(103). The connecting terminals(101) slide or rotate together with the second housing. The electrical connectors(102) is electrically connected to the connecting terminals(101) according as the connecting terminals(101) slide or rotate. The switch controller(103) is electrically connected to the electric connectors(102) according as the connecting terminals slide or rotate together with the second housing, and performs a signal transmission or receipt by receiving a signal via the electric connection, selecting an antenna frequency signal in accordance with a usage mode of the portable terminal, and performing a switching operation with a stable antenna pattern.

Description

Antenna switch device of mobile terminal {ANTENNA SWITCHING APPARATUS FOR MOBILE PHONE}

1 is a perspective view showing an antenna device of a conventional folding portable terminal.

2 is a perspective view showing a built-in antenna in the antenna device of a conventional portable terminal.

3 is a view showing a state of use of the antenna device of a sliding swing-type portable terminal according to the prior art.

Figure 4 is a side view showing a connector of the antenna device of a sliding swing-type portable terminal according to the prior art.

5 is an exploded perspective view showing the configuration of an antenna switch device of a mobile terminal according to an embodiment of the present invention.

6 is a perspective view illustrating a state in which an antenna switch device of a portable terminal according to an exemplary embodiment of the present invention is applied to a sliding swing terminal.

Figure 7 is a perspective view showing a state in which the sliding movement in the state applied to the antenna switch device of the mobile terminal to the sliding swing terminal according to an embodiment of the present invention.

FIG. 8 is a side view illustrating a state in which the antenna switch device of the portable terminal is slid in a state in which the antenna switch device of the portable terminal is applied to the sliding swing terminal; FIG.

9 is a perspective view illustrating a state in which the antenna switch device of the portable terminal is rotated while being applied to a sliding swing terminal according to an exemplary embodiment of the present invention.

10 is a perspective view illustrating a state in which an antenna switch device of a portable terminal according to an exemplary embodiment of the present invention is applied to a display swing-type clamshell terminal.

11 is a perspective view illustrating a state in which a folder is rotated while an antenna switch device of a portable terminal is applied to a display swing-type clamshell terminal according to an exemplary embodiment of the present invention.

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an antenna device of a mobile terminal, and more particularly, to an antenna switch device of a mobile terminal configured to change an antenna frequency signal according to a usage mode of a terminal as the display unit (LCD) of the terminal is slid and moved. It is about.

In general, it is multifunctional according to the needs of consumers in recent years, and its size is miniaturized. Among them, it is possible to download MP3 music by accessing voice communication, radio listening, and the Internet, and also to receive various data and images. With the digitization of, it can be easily obtained from portable terminals, PDAs, computers and notebooks.

In addition, the data output device of the portable terminal commonly uses a display device (LCD). Basically, the keypad used for data input consists of an arrangement of a plurality of keys.

In addition, the portable terminals have an antenna device for receiving the signal transmitted from the other party in place of the main body.

Among the antenna devices of the conventional mobile terminal, the whip antenna and the helical antenna are divided into external antennas installed outside the mobile phone, and the inverted F type antenna, the flat inverted F type antenna, the diversity antenna, the micro strip antenna, etc. It is divided into built-in antenna installed.

1 and 2, the built-in antenna 3 has a length of about λ / 4 that serves as a radiator on the upper surface of the ground plane 4 of the PCB 2 provided in the terminal 1. An antenna radiator (3a) having a is provided, and the power supply pin (5a) is provided between the radiator (3a) and the printed circuit board 2 to supply a ground pin (4a) and a current at a predetermined height.

The printed circuit board 2 includes a ground plane 4 and a feed plane 5 electrically connected to the ground pin 4a and the feed pin 5a.

A predetermined current is applied to the feed surface 5, and a current applied to the feed pin 5a through the feed surface 5 turns the antenna radiator 3 to the ground plane 4 through the ground pin 4a. Returned to).

The portable terminal having such a configuration has been popularized to the general public according to the rapid spread, and accordingly, a portable terminal having a complex concept in which various functions are added to satisfy the needs of consumers in addition to the simple call function is being developed. For example, in addition to the existing voice call, on-demand video viewing function, video call function, digital camera function internet function, TV (TV) viewing function, etc. are additional services required by the user.

Among the various additional services mentioned above, the portable terminal having a TV (TV) watching function is a complex mobile communication terminal (Digital Multimedia Broadcasting) that can watch a TV broadcasting program using a display (LCD) in addition to a mobile communication telephone function. : DMB).

Such a complex mobile communication terminal includes a folding terminal in which a display unit (LCD) provided in a folder rotates. A rotational connection member is provided between the body housing and the folder to rotate the folder.

Further, there is a sliding swing type terminal which slides the sliding housing from the main body housing while the main body housing and the sliding housing face each other, and rotates in this state.

The portable terminal having the TV function includes at least two RF units because the frequency band required for the transmission and reception of unique voice and data transmissions is different from each other. It has a mode, a standby mode, and a broadcast receiving module (not shown) that also serves as the standby mode and the image receiving mode.

As shown in FIGS. 3 and 4, the TV broadcast signal antenna 20 has a broadcast receiving module (not shown) therein, and the broadcast receiving module and an external broadcast dedicated antenna ( 20 is provided with an interface connector 10a that connects each other, and receives a broadcast signal of a TV by connecting the jack 20a of the external broadcast-only antenna 20 and the interface connector 10a with each other. .

The composite mobile terminal must be equipped with an antenna for transmitting and receiving general voice. It is equipped with a broadcast-only antenna used for the frequency of radio and TV broadcasting. The broadcast-only antenna has a low reception rate, which is necessary for good reception, so it must be plugged into the terminal.

However, the conventional broadcast-only antenna has a problem in that it is bulky and difficult to use when watching a radio and TV by plugging it into a terminal. When not in use, the portable antenna has to carry a broadcast-only antenna at all times.

In addition, the conventional broadcast-only antenna is always carry with you when you need to take out the use of a large risk of loss, to prevent this has a disadvantage in that the manufacturing cost increases if a separate storage box for storing the antenna.

Recently, dedicated terminals have been developed to provide various communication services, such as a digital multimedia broadcasting (DMB) and a wireless broadband band (WIBRO). It is a state.

Conventionally, by providing a communication service in one antenna pattern regardless of the communication mode or the state of the terminal, when the communication mode is changed or the display unit rotates, there is a problem that the antenna characteristics are attenuated or changed due to the fixed fixed antenna pattern. .

Accordingly, the present invention is to solve the conventional problems as described above, an object of the present invention is to change the antenna frequency signal to match the mode of use of the terminal by sliding and rotating the display (LCD) of the terminal. By providing an antenna switch unit so as to be able to improve the use of the terminal to provide an antenna switch device of the portable terminal.

Another object of the present invention is to configure the antenna switch unit to change the antenna frequency signal according to the use mode of the terminal according to the sliding movement and rotation of the display unit (LCD) of the terminal, according to the function of the terminal antenna frequency signal It is to provide an antenna device of the portable terminal to be able to select the to improve the gain and performance of the antenna.

Still another object of the present invention is to configure an antenna switch unit so that the antenna frequency signal can be changed according to the usage mode of the terminal as the display unit (LCD) of the terminal is slid, moved and rotated. There is provided an antenna device of a portable terminal device that does not need to provide a antenna for improving the portability of the antenna for broadcast reception.

Another object of the present invention by changing the antenna frequency signal according to the use mode of the terminal according to the sliding movement and rotation of the display unit (LCD) of the terminal by configuring an antenna switch unit for switching to connect in a stable antenna pattern Another aspect of the present invention is to provide an antenna device of a mobile terminal, which can provide optimized antenna characteristics by rotating a display unit or switching a connection of an antenna pattern according to a communication mode.

In order to achieve the above object, the present invention. In the antenna device of a portable terminal comprising a first housing having a built-in antenna and a second housing having a display unit (LCD),

And an antenna switch unit electrically connected to the second housing by sliding or rotating the second housing to change the antenna frequency signal according to the use mode of the terminal.

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

As shown in FIG. 5, the antenna switch device of the portable terminal includes a first housing 30 having a built-in antenna 3 and a second housing 40 having a display portion 41 (LCD). Each housing 30 and 40 is electrically connected as the second housing 40 slides or rotates from the first housing 30 so as to change an antenna frequency signal according to the usage mode of the terminal. The antenna switch unit 100 is configured to be.

5 and 6, the antenna switch unit 100 includes at least one or more connection terminals 101, at least one or more connection terminals 102, and a switch control unit 103. ) Is provided at a predetermined position of the second housing 40 to slide or rotate together with the second housing 40, and the connection terminal 102 slides and rotates the connection terminal 101. And a predetermined position of the first housing 30 so as to be electrically connected, and the switch control unit 103 also includes the connection terminal 101 when sliding or rotating the second housing 40. It is moved and rotated to be electrically connected to the connection terminal 102, and receives the signal to select and switch the antenna frequency signal according to the usage mode of the terminal and to switch to a stable antenna pattern (not shown) It is provided in the first housing 30 to switch to transmit and receive.

7, 8, and 9, the connection terminal 102 is composed of first and second connection terminals 102a and 102b, and the first connection terminal 102a turns the terminal into a call mode function. It is provided in the first housing 30 to be electrically connected to the connection terminal 101 in use, the second connection terminal 102b is the second housing 40 when using the terminal as a TV and video mode function The first terminal 30a is provided in the first housing 30 so as to rotate the display unit 41 and the connection terminal 101 together with the electrical connection. The first connection terminal 102a is a sliding swing type terminal. In one case, it is embedded in the first housing 30 and mounted at the sliding end position of the second housing 40 so as to be electrically connected to the connection terminal 101. The second connection terminal 102b is a display. With part 41 When the second housing 40 is rotated, the second housing 40 is embedded in the rotation end position of the connection terminal 101 to be electrically connected to the connection terminal 101.

In addition, as shown in FIGS. 10 and 11, the first connection terminal 201 is a hinge of the folder 50 so as to be electrically connected to a first connection terminal (not shown) which will be described later in the case of a display swing-type clamshell terminal. It is embedded in the device 60, the second connection terminal 202 is embedded in the rotary connection member 70 of the clamshell terminal to be electrically connected to the second connection terminal 302 described later, the folder The connection terminal embedded in the terminal includes a first and second connection terminals, and the first connection terminal (not shown) is the first connection terminal 201 built in the hinge device 60 of the folder 50. The second connection terminal 302 is embedded in the folder 50 so that the second connection terminal 302 can be connected to the second connection terminal 202 at the rotation end position when the folder 50 is rotated. It is.

The first and second connection terminals 102a, 102b, 201, 202 and the switch controller 103 are electrically connected by a coaxial cable 400.

The coaxial cable 400 is made of a flexible material.

The terminal is provided with at least one antenna pattern (not shown) to find an antenna pattern suitable for stable transmission and reception after selecting the antenna frequency signal.

The operation of the antenna switch device of the portable terminal according to an embodiment of the present invention having the above configuration will be described in more detail with reference to FIGS. 5 to 11.

As shown in FIG. 5, the antenna switch device of the portable terminal is electrically connected to the terminal by sliding or rotating from the first housing 30 having the second housing 40 having the display unit 41. It is composed of an antenna switch unit 100 for changing the antenna frequency signal according to the use mode of the.

2, the first housing 30 is provided with a built-in antenna (3).

As illustrated in FIG. 6, the antenna switch unit 100 includes at least one connection terminal 101, at least one connection terminal 102, and a switch controller 103.

The connection terminal 102 is composed of first and second connection terminals 102a and 102b.

The first and second connection terminals 102a and 102b are provided in the first housing 30, and the connection terminal 101 is provided in the second housing 40.

7, 8, and 9, when the antenna switch unit 100 is applied to the sliding swing type terminal, and the sliding swing type terminal is used as a call mode function, as shown in FIG. When the second housing 40 is slid away from the first housing 30 while the housing 40 faces the first housing 30, the second housing 40 is provided in the second housing 40. The connecting terminal 101 also slides together.

In this case, as illustrated in FIG. 8, the first connection terminal 102a provided in the first housing 30 is a connection terminal provided in the second housing 40 at the sliding end position of the second housing 40. 101 is electrically connected.

Here, the connection terminal 101 is electrically connected to the first connection terminal 102a and applies this signal to the switch control unit 103 provided in the first housing 30.

The switch control unit 103 provides an optimized antenna characteristic by selecting an optimal antenna frequency signal in a call mode of the terminal and switching to a stable antenna pattern (not shown) according to an authorized signal.

As such, the user may use the terminal through a stable antenna frequency signal for transmission and reception in the communication mode of the terminal.

Here, as shown in FIG. 9, when the sliding swing type terminal is used as a TV broadcasting and video mode function, when the second housing 40 is rotated, the connection terminal 101 also rotates, and at this time, the connection terminal ( 101 is electrically connected to the second connection terminal 102b provided at the rotation end position of the second housing 40.

The second connection terminal 102b is electrically connected to the connection terminal 101 and applies the signal to the switch control unit 103, and the switch control unit 103 selects an antenna frequency signal for broadcast reception. Switch to fit and stable antenna pattern (not shown) to provide optimized antenna characteristics

The user can clearly watch the TV broadcast and the video displayed on the display unit 41 of the second housing 40 by the broadcast receiving antenna frequency signal of the switch controller 103.

Here, the first and second connection terminals 102a and 102b and the switch control unit 103 are electrically connected by the coaxial cable 400.

Here, as shown in FIG. 10, when the folder type terminal is used as a call mode function by applying the antenna switch unit 100 to the display swing type folder type terminal, the folder 50 is rotated. A first connection terminal (not shown) built in the hinge device 60 of is electrically connected to the first connection terminal 201.

The first connection terminal (not shown) is embedded in a position corresponding to the first connection terminal 201 at the end of the open rotation of the folder.

Here, the first connection terminal (not shown) is electrically connected to the first connection terminal 201, and this signal is applied to the switch control unit 103 provided in the main body housing (not shown).

The switch control unit 103 selects the optimum antenna frequency signal in the call mode of the terminal according to the received signal, switches to suitably, and switches to a stable antenna pattern (not shown) to provide optimized antenna characteristics.

As such, the user may use the terminal through a stable antenna frequency signal for transmission and reception in the communication mode of the terminal.

Here, as shown in FIG. 11, when the folder 50 type terminal is used as a TV broadcasting and video mode function, when the folder 50 is rotated, the second connection terminal 302 embedded in the folder 50 is also present. At the same time, the second connection terminal 302 is electrically connected to the second connection terminal 202 provided at the rotation end position of the folder 50.

The second connection terminal 202 is electrically connected to the second connection terminal 302, and applies this signal to the switch control unit 103, and the switch control unit 103 supplies an antenna frequency signal for broadcast reception. Select and convert to fit to switch to stable antenna pattern (not shown) to provide optimized antenna characteristics

The user can clearly watch the TV broadcast and the video displayed on the display unit (not shown) of the folder 50 by the broadcast reception antenna frequency signal of the switch controller 103.

Here, the first and second connection terminals 201 and 202 and the switch controller 103 are electrically connected by the coaxial cable 400.

In addition, the antenna switch device can be applied to various communication modes and various communication services, such as a digital multimedia broadcasting (DMB) and a wireless broadband band (WIBRO).

As described above, according to the sliding movement and rotation of the display unit (LCD) of the terminal, the antenna frequency signal is changed according to the usage mode of the terminal and the antenna is switched to a stable antenna pattern (not shown) to provide optimized antenna characteristics. The use of the terminal can be improved, and the gain and performance of the antenna can be improved.

The antenna switch device of the portable terminal of the present invention described above is not limited to the above-described embodiments and drawings, and various substitutions, modifications, and changes can be made without departing from the technical spirit of the present invention. It will be apparent to those of ordinary skill in the art.

As described above, according to the antenna switch device of the mobile terminal according to the present invention,

By configuring the antenna switch unit to change the antenna frequency signal according to the use mode of the terminal by sliding and rotating the display unit (LCD) of the terminal, the use of the terminal can be improved, and according to the use mode of the terminal By selecting the antenna frequency signal can improve the gain and performance of the antenna, there is no need to provide a separate antenna for TV (TV) has the effect of improving the portability of the antenna for broadcast reception.

Claims (10)

In the antenna device of a portable terminal comprising a first housing having a built-in antenna and a second housing having a display unit (LCD), And an antenna switch unit electrically connected to the second housing by sliding or rotating the second housing from the first housing to change an antenna frequency signal in accordance with a mode of use of the terminal. . The antenna switch unit of claim 1, wherein the antenna switch unit comprises: at least one connection terminal sliding or rotating together with the second housing; At least one connection terminal electrically connected with sliding movement and rotation of the connection terminal; When the second housing is slid or moved, the connection terminal is also moved and rotated together to be electrically connected to the connection terminal. The signal is applied and the antenna frequency signal is selected and switched according to the use mode of the terminal. An antenna switch device of a portable terminal, characterized in that consisting of a switch control unit for transmitting and receiving by switching to a stable antenna pattern. The terminal of claim 2, wherein the connection terminal comprises: a first connection terminal electrically connected to the connection terminal when the terminal is used as a call mode function; When the terminal is used as a TV and a video mode function, the antenna of the mobile terminal, characterized in that it is composed of a second connection terminal which is electrically connected by rotating the display unit (LCD) of the second housing at the same time Switch device. The terminal of claim 3, wherein the first connection terminal is mounted in the sliding end position of the second housing while being embedded in the first housing in the case of a sliding swing terminal. And the second connection terminal is embedded in the rotation end position of the connection terminal when the second housing including the display unit (LCD) is rotated. The apparatus of claim 2, wherein the switch controller is configured to find and select a stable transmission / reception antenna frequency signal used in a communication mode of the terminal when the connection terminal is electrically connected to the first connection terminal. And when the connection terminal is electrically connected to the second connection terminal, finds and selects a stable broadcast reception antenna frequency signal used in the TV broadcast and video mode of the terminal. The terminal of claim 3, wherein the first connection terminal is embedded in a hinge device of a folder in the case of a folding terminal. And the second connection terminal is embedded in a connection terminal of a clamshell terminal. The method of claim 6, wherein the connection terminal embedded in the foldable terminal is composed of first and second connection terminals, The first connection terminal is embedded in a position corresponding to the first connection terminal embedded in the hinge device of the folder, And the second connection terminal is built in the folder, and is connected to the second connection terminal at a rotation end position when the folder is rotated. The antenna switch device according to claim 2 or 3, wherein the first and second connection terminals and the switch control unit are electrically connected by a coaxial cable. The antenna switch device of claim 8, wherein the coaxial cable is made of a flexible material. The antenna switch device of claim 1, wherein the terminal has at least one antenna pattern.

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