KR20040027747A - Antenna comprising RF communication function and mobile terminal therefrom - Google Patents

Abstract

PURPOSE: An antenna and a mobile terminal are provided to achieve improved user convenience and allow for ease of maintenance of battery. CONSTITUTION: An antenna comprises an RF(radio frequency) IC(integrated circuit) chip(242) arranged on a base film(24), and which performs an RF communication function; an antenna pattern(244) connected to the RF IC chip; a signal amplifying unit(250) for amplifying the identification signal supplied from the RF IC chip; a power supply pattern(252) connected to the power input terminal of the signal amplifying unit, and which supplies a power; and an externally protruded power supply line(254) extended and protruded from the power supply pattern. The base film is wound in the direction vertical to the protruded direction of the externally protruded power supply line.

Description

Antenna for RF terminal having mobile communication function and mobile terminal therefrom {Antenna configure RF communication function and mobile terminal therefrom}

The present invention relates to an antenna for a mobile terminal and a mobile terminal thereof, and more particularly, to an antenna for a mobile terminal having an RF communication function and a mobile terminal thereof.

RF cards having a communication function using an RF (radio frequency) (RF) frequency band called an IC card or a smart card have become popular around a so-called traffic card for fare settlement of buses and subways. However, such an RF card has a problem in that it is inconvenient to use because it is carried in a wallet or a handbag and taken out when used in a subway or bus.

In order to solve this problem, a smart card combined accessory that is easy to carry and use by making a smart card with a small size and directly connecting to a key ring or a mobile phone is disclosed in Korean Registered Credit Model Publication No. 20-0276071. .

On the other hand, when checking the identity of the registered vehicle in the parking lot or when confirming the identity of the company or agency, the RF communication function lengthens the communication distance and holds the RF card type identification card without directly contacting the identification card. Simply by pressing it, the receiver can receive the signal.

However, these smart card combined accessories are not only inconvenient to carry the accessories separately, but also require a separate power source such as a battery to be used in a field that requires a separate amplification function to extend the communication range, and battery management. It is inconvenient that demanding maintenance is required.

The technical problem to be achieved by the present invention is an antenna for a mobile terminal and its mobile terminal having an RF communication function and having an RF communication function that can be combined with an extended communication range while minimizing the structure change of the mobile phone and easy to maintain the battery To provide.

1 is an enlarged view illustrating a structure of a mobile phone and an antenna having a mobile terminal antenna having an RF communication function according to an embodiment of the present invention;

2 is a view for explaining the structure and manufacturing process of the antenna for a mobile terminal having the RF communication function according to an embodiment of the present invention.

3 is a block diagram schematically illustrating a structure of a mobile terminal having RF communication function according to an embodiment of the present invention;

4 is a flow chart showing the main steps of the control process performed in the control unit of FIG.

5 and 6 are protruding from the phone to have a button function in the antenna portion that can be pressed most easily, opening the folder in the clamshell mobile phone, or without amplifying the operation without pushing up the upper body in the sleep-up mobile phone Front and side views showing the structure of a mobile phone having a button function to provide a command to send a signal or an amplified signal to the outside.

An antenna for a mobile terminal having an RF communication function according to an aspect of the present invention for achieving the above technical problem,

An RF IC chip 242 formed on the base film 24 to perform a known RF communication function;

An antenna pattern 244 connected to the RF IC chip 242;

A signal amplifier 250 for amplifying the identification signal supplied from the RF IC chip 242;

A power supply pattern 252 connected to a power input terminal of the signal amplifier 250 to supply power; And

And a power supply external protrusion line 254 extending from the power supply pattern 252 to protrude outward.

The base film 24 may be formed by winding from one side to the other side in a direction perpendicular to the protruding direction of the power supply external protrusion line 254.

In addition, a mobile terminal having an RF communication function according to another aspect of the present invention for achieving the above technical problem,

In a known mobile terminal having an antenna, the antenna,

An RF IC chip 242 formed on the base film 24 to perform a known RF communication function;

An antenna pattern 244 connected to the RF IC chip 242;

A signal amplifier 250 for amplifying the identification signal supplied from the RF IC chip 242;

A power supply pattern 252 connected to a power input terminal of the signal amplifier 250 to supply power; And

And a power supply external protrusion line 254 extending from the power supply pattern 252 to protrude outward.

The base film 24 includes an antenna formed by winding from one side to the other side in a direction perpendicular to the protruding direction of the power supply external protrusion line 254.

In addition, the mobile terminal,

(a) initializing to a non-amplified mode when the mobile phone is turned on and detecting whether a specific button has been pressed for a long time;

(b) switching to an amplification mode when it is detected that the specific button has been pressed and controlling to supply a power voltage to the signal amplifying unit, and switching back to the non-amplifying mode after a predetermined short time elapses; And

(c) If it is detected that the particular button has not been pressed for a long time, the RF card having a communication function in the initial non-amplified mode performs a function of a contact RF card such as a traffic card for billing of buses or subways. And a control unit which is stored by executing program codes to be executed and loaded and executed by a CPU in the mobile terminal.

In addition, the antenna is an antenna (5 ') further includes an elastic means (54) for connecting and energizing the contact 51 to perform a certain command when pressed from the outside, and to return when the pressure is released. desirable.

In addition, the elastic means 54 may be composed of a conventional elastic spring (54a).

In addition, the elastic means 54 is formed convexly upwards, the upper end of which is composed of a leaf spring 54a corresponding to the end of the antenna 5 ', and the contact 51 is formed of the leaf spring 54a. It is more preferable that both sides of the contact 51 are configured to contact each other when the antenna 5 'is formed at the bottom center and the vertical lower end thereof.

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

1 is an enlarged view of a structure of a mobile phone and an antenna having an antenna for a mobile terminal according to an embodiment of the present invention. Referring to FIG. 1, a mobile phone 10 according to an exemplary embodiment of the present invention includes an antenna 12 for a mobile terminal and an antenna rod 16 penetrating through the center of the antenna. The antenna 12 for a mobile terminal includes an antenna main body 140 having a pupil into which an antenna rod 16 is inserted, a RF IC chip 142 formed in the antenna main body 140, and an RF IC chip 142. A connected antenna pattern 144, a signal amplifier 150, a power supply pattern 152, and a power supply external protrusion line 154 are provided.

2 is a view for explaining the structure and manufacturing process of the antenna for a mobile terminal according to an embodiment of the present invention. Referring to FIG. 2, an antenna for a mobile terminal according to an embodiment of the present invention is formed on a base film 24 to perform a known RF communication function, and an RF IC chip 242. And an antenna pattern 244 connected to it.

In addition, the antenna for the mobile terminal is connected to a signal amplifier 250 for amplifying the identification signal supplied from the RF IC chip 242, a power supply pattern for supplying power to the power input terminal of the signal amplifier 250 252, and a power supply external protrusion line 254 extending from the power supply pattern 252 and protruding to the outside.

Now, the antenna as shown in FIG. 1 is manufactured by winding this base film 24 from one side to the other side in a direction perpendicular to the projecting direction of the power supply external protrusion line 254 as referred to by A. FIG. In addition, it should be noted that the power supply external protrusion line 254 protrudes outward so that the power supply voltage can be easily supplied from the mobile terminal.

3 is a block diagram illustrating the structure of a mobile terminal according to an embodiment of the present invention. 4 is a flowchart illustrating main steps of a control process performed by the controller of FIG. 3. 4 is often referenced below.

3, a mobile terminal according to an embodiment of the present invention is a known mobile terminal having an antenna, the antenna from the RF IC chip 304, RF RF chip performing a known RF communication function An amplifier 306 for amplifying the supplied identification signal, and an antenna pattern 308. The controller 304 is a part driven by the CPU in the mobile terminal.

The operation of the mobile terminal as described above will be described. When the mobile phone is turned on (step 402), the controller 304 initializes to the non-amplified mode (step 404), the controller 304 detects whether the "#" button 302 has been pressed for a long time, and then the "#" button 302 is pressed. If it is detected that the long press is switched to the amplification mode (step 408) to control the supply voltage to the amplifier 306.

Meanwhile, referring back to FIG. 2, the antenna having the RF communication function according to the present invention has a power supply external protrusion line 254 protruding outward so that the power voltage can be easily supplied from the mobile terminal, and the power in the mobile terminal. It is configured to be connected to the stage. The power supply voltage is supplied to the amplifier 250 through the power supply external protrusion line 254 and the power supply pattern 252, and the amplifiers 250 and 306 that receive the power supply voltage are supplied from the RF IC chip 304. Amplify the output signal to output an amplified signal with a long communication distance. The antenna pattern 308 transmits an amplified signal to the outside. In addition, when a predetermined short time elapses, it is preferable to switch back to the non-amplified mode to prevent battery consumption.

On the other hand, if it is detected that the "#" button 302 has not been pressed for a long time, the RF card having a communication function in the initial non-amplified mode is a contact RF card such as a so-called transportation card for fare settlement of a bus or subway. Performs the function of. At this time, the power supply voltage is not supplied to the amplifier 306.

For the above control, the program codes for performing the steps may be stored in a predetermined memory, and the program codes stored in the memory may further include a control unit which is loaded and executed by a CPU in the mobile terminal.

As a result, the antenna pattern 308 selectively sends an unamplified signal or an amplified signal to the outside depending on whether the "# " button 302 has been pressed long.

An antenna for a mobile terminal having an RF communication function according to the present invention as described above, and a base film formed by forming an antenna pattern on a base film on a mobile terminal such as a mobile phone or a personal digital assistant (PDA) that is always carried It is possible to secure sufficient radio wave reception by incorporating the antenna, and provides the convenience of not having to carry a separate transportation card by incorporating the antenna having the RF communication function into the mobile terminal. Because it functions as a contactless RF card with a long communication distance without the need for separate battery management, it has the advantage of performing as a contact and contactless RF card.

In the above embodiment, the "#" button 302 has been described as an example to selectively transmit the non-amplified signal or amplified signal to the outside according to whether the long press, the configuration to function using an antenna as shown in FIG. More preferred.

That is, a mobile phone having a button function in the antenna portion as in FIG. 5 is more preferable. Referring to FIG. 5, the mobile phone according to another embodiment of the present invention includes an antenna accommodating portion 50 therein and an antenna 5 ′ penetrated to one side in addition to the components described with reference to FIGS. 1 and 2. In a typical mobile phone consisting of a mounting portion 5 '' to which is mounted),

The antenna 5 'is configured to have an elastic means 54 for connecting and energizing the contact 51 for performing a certain command when pressed from the outside, and for returning when the pressure is released.

At this time, the elastic means 54 is composed of a conventional compression coil spring (54a) to perform a button function so that the antenna (5 ') can be easily returned.

Therefore, the antenna 5 'is currently mounted in a shape protruding from the mobile phone 5. The antenna body 52 corresponds to the antenna body 140 having a pupil in which the antenna rod 16 is inserted in the center in the embodiment described with reference to FIG. 1, and the RF IC chip 142 formed in the antenna body 140. ), An antenna pattern 144 connected to the RF IC chip 142, a signal amplifier 150, a power supply pattern 152, and a power supply external protrusion line 154.

Although the present embodiment provides an embodiment of a button for executing all functions in the antenna 5 'itself, those skilled in the art will easily add a button function to the antenna in various ways.

6 is a side view showing a mobile phone according to another embodiment of the present invention, wherein the elastic means 54 is formed convexly upward, and the upper end thereof is a leaf spring 54b corresponding to the end of the antenna 5 '. The contact 51 is formed at the center of the bottom surface of the leaf spring 54a and the vertical lower end thereof, respectively, to indicate that both contact 51 contacts each other when the antenna 5 'is pressed.

The leaf spring 54b is generally changed to be convex in the opposite direction due to various constant loads, but in order to effectively utilize the present invention, it is preferable that the shape of the leaf spring 54b be determined so as to connect the contact 51 and return immediately. Yes.

When the leaf spring 54b is mounted, the leaf spring 54b has a simple advantage compared to the structure in which the compressed coil spring is mounted. In the drawing, the leaf spring 54b mounted inside the mobile phone 5 according to the operation of the antenna. An embodiment in which the contact point 51 operates is illustrated. In the above embodiment, the elastic means 54 has been described using the leaf spring as an example, but in addition to the leaf spring, it is possible to use a coil spring or other elastic means.

As shown in Figure 5 and Figure 6 protruding from the phone to have a button function in the antenna portion that can be pressed most easily when opening the folder in the clamshell mobile phone, or without the operation of pushing up the upper body in the sleep-up mobile phone It may provide an amplified signal or a command to send the amplified signal to the outside.

The above embodiments are illustrative for the purpose of understanding the present invention and various modifications and variations are possible within the scope of the invention as defined by the appended claims. Therefore, the antenna for a mobile terminal having the RF communication function and the range of rights of the mobile terminal according to the present invention are not limited to the above embodiment.

As described above, an antenna for a mobile terminal having an RF communication function according to the present invention, and a base formed by forming an antenna pattern on a base film on a mobile terminal such as a mobile phone or a personal digital assistant (PDA), which is always carried By winding the film to secure sufficient radio reception, it is not only convenient to carry a separate transportation card by incorporating an antenna having RF communication function into the mobile terminal, but also easily from a mobile terminal that is always powered. It functions as a contactless and contactless RF card because it functions as a contactless RF card with a long communication distance without the need for separate battery management.

In addition, if a button function is provided on the antenna part that protrudes from the phone and is easily pressed, the amplified signal or the amplified signal can be opened without the operation of opening a folder in a clamshell phone or pushing up the upper body in a sleep-up phone. It can provide a command to send to the outside.

Claims (6)

An RF IC chip 242 formed on the base film 24 to perform a known RF communication function; An antenna pattern 244 connected to the RF IC chip 242; A signal amplifier 250 for amplifying the identification signal supplied from the RF IC chip 242; A power supply pattern 252 connected to a power input terminal of the signal amplifier 250 to supply power; And And a power supply external protrusion line 254 extending from the power supply pattern 252 to protrude outward. The base film (24) is an antenna for a mobile terminal having an RF communication function, characterized in that formed by winding from one side to the other side in a direction perpendicular to the projecting direction of the power supply external protrusion line (254). In a known mobile terminal having an antenna, the antenna, An RF IC chip 242 formed on the base film 24 to perform a known RF communication function; An antenna pattern 244 connected to the RF IC chip 242; A signal amplifier 250 for amplifying the identification signal supplied from the RF IC chip 242; A power supply pattern 252 connected to a power input terminal of the signal amplifier 250 to supply power; And And a power supply external protrusion line 254 extending from the power supply pattern 252 to protrude outward. The base film (24) is a mobile terminal having an RF communication function, characterized in that it comprises an antenna formed by winding from one side to the other side in a direction perpendicular to the projecting direction of the power supply external protrusion line (254). The method of claim 2, (a) initializing to a non-amplified mode when the mobile phone is turned on and detecting whether a specific button has been pressed for a long time; (b) switching to an amplification mode when it is detected that the specific button has been pressed and controlling to supply a power voltage to the signal amplifying unit, and switching back to the non-amplifying mode after a predetermined short time elapses; And (c) If it is detected that the particular button has not been pressed for a long time, the RF card having a communication function in the initial non-amplified mode performs a function of a contact RF card such as a traffic card for billing of buses or subways. And a controller configured to store program codes to be executed and to be loaded and executed by a CPU in the mobile terminal. The method of claim 2, The antenna is characterized in that the antenna (5 ') further comprises an elastic means (54) for connecting and energizing the contact 51 to perform a certain command when pressed from the outside, and to return when the pressure is released. Mobile terminal having RF communication function. 5. The mobile terminal according to claim 4, wherein said elastic means (54) is composed of a normal elastic spring (54a). 6. The elastic means (54) according to claim 5, wherein the elastic means (54) is formed convexly upwards, the upper end of which consists of a leaf spring (54a) corresponding to the end of the antenna (5 '), and the contact point (51) is the leaf spring. A mobile terminal having an RF communication function, which is formed at each of a center of a bottom of the bottom of the 54a and a vertical lower end thereof, and is configured to contact both side contacts 51 when the antenna 5 'is pressed.