KR20090125325A - Detachable cover united with antenna and mobile terminal including the same - Google Patents

Abstract

PURPOSE: An attachable and detachable cover and a mobile terminal including a portable terminal equipping a loop antenna are provided to efficiently design an internal housing without needing additional structure for fixing the loop antenna on the portable terminal. CONSTITUTION: A cover is attached in a main body(230) and equips an antenna. In case the cover is combined in a main body, the included antenna is connected to the main body. The cover is a battery cover(250). The antenna is a loop antenna(260). The loop antenna is formed inside the battery cover into the insert injection.

Description

Detachable cover having an integrated antenna and a mobile terminal including the same {DETACHABLE COVER UNITED WITH ANTENNA AND MOBILE TERMINAL INCLUDING THE SAME}

The present invention relates to a removable cover provided with an integrated antenna and a portable terminal including the same. More specifically, the present invention relates to using an antenna such as a loop antenna on or attached to a removable cover such as a battery cover.

Conventional portable terminals provide various additional functions using Radio Frequency Identification (RFID) technology. Such RFID technology mainly uses a low frequency band frequency to exchange short-range contactless information. Portable terminals using the RFID technology are used in various fields such as payment and security.

The portable terminal provided with the RFID tag mainly communicates using a loop antenna. The loop antenna deteriorates RF characteristics when the loop antenna is close to the printed circuit board (PCB) mounted inside the main body of the portable terminal. That is, the signal characteristics of the loop antenna itself may be deteriorated by being influenced by radio waves radiated from the elements in the PCB.

Therefore, in mobile terminals, the loop antenna is mainly designed as far as possible from the PCB. When the loop antenna is installed inside the main body of the portable terminal, the loop antenna is installed close to the rear side of the portable terminal. In this case, a separate structure for fixing and installing the loop antenna is indispensable, and there is a problem in that the design of the inner housing of the portable terminal occurs.

On the other hand, in order to overcome this problem, there is an attempt to install a loop antenna built into the battery. Hereinafter, the present invention will be described in more detail with reference to FIG. 1.

The conventional mobile terminal 100 includes a keypad 110, a PCB 120, a main body 130, a battery 140, and a battery cover 150. In this case, the loop antenna 160 is accommodated in the battery 140. The loop antenna 160 is formed by insert injection molding inside the surface spaced apart from the PCB of the wide side of the battery 140 when mounting the battery 140 to the body 130. When the battery 140 is mounted on the portable terminal 100, the power terminal 141 of the battery 140 and the power terminal 131 of the main body 130 are connected, as well as the loop antenna terminal of the battery 140. 143 is connected to the RFID terminal 132 of the body 130 is operated. However, in this case, there is a problem in that the production cost increases because a loop antenna must be built in accordance with the number of batteries. In addition, there is a problem that the lifespan of the loop antenna 160 is limited according to the lifespan of the battery 14. In addition, the loop antenna 160 may operate even when the battery 140 is not installed. In the structure shown in FIG. 1, the loop antenna 160 cannot be used without the battery 140 being mounted.

An object of the present invention for solving the above problems, to provide a removable cover and a portable terminal including the same that the antenna is integrally provided.

Another object of the present invention for solving the above problems is to provide a removable cover provided with an integrated antenna.

The present invention for achieving the above object includes a main body, a cover detachably coupled to the main body, the cover having an antenna integrally, when the cover is coupled to the main body, the antenna provided integrally It is connected to the main body provides a mobile terminal, characterized in that the operation.

Here, the cover may be configured to be a battery cover.

The antenna may be configured to be a loop antenna.

On the other hand, the loop antenna is preferably formed by insert injection into the battery cover.

The loop antenna is preferably formed in a pattern on one surface of the battery cover.

In addition, the loop antenna is preferably attached to one side of the battery cover separately.

One aspect of the present invention for achieving the above another object, in the portable terminal, when coupled to the main body of the portable terminal, characterized in that the integrated antenna is connected to the main body of the portable terminal is operated Provided is a removable cover that is integrally provided with an antenna.

Here, the cover may be characterized in that the battery cover.

The antenna may be a loop antenna.

On the other hand, the loop antenna is preferably formed by insert injection into the battery cover.

The loop antenna is preferably formed in a pattern on one surface of the battery cover.

On the other hand, the loop antenna may be separately attached to one side of the battery cover.

In the case of using the detachable cover provided with the above-mentioned antenna integrally and the portable terminal including the same, a separate structure for fixing and installing the loop antenna inside the portable terminal is not necessary, so that the internal housing design can be more efficiently performed. It can work.

On the other hand, there is no need to have a built-in loop antenna for each battery, there is an effect that can be used regardless of the life of the battery. In addition, the signal characteristics of the loop antenna can be improved by being spaced apart as far as possible from the PCB mounted on the main body of the portable terminal. In addition, there is an advantage that a loop antenna can be used without a battery installed.

As the invention allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description.

However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention. In describing the drawings, similar reference numerals are used for similar elements. It should be noted that the same elements in the drawings are represented by the same reference numerals and symbols as much as possible even though they are shown in different drawings. In addition, in describing the present invention, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

Terms such as first, second, A, and B may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another.

For example, without departing from the scope of the present invention, the first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component. The term and / or includes a combination of a plurality of related items or any item of a plurality of related items.

When a component is referred to as being "connected" or "connected" to another component, it may be directly connected to or connected to that other component, but it may be understood that other components may be present in between. Should be. On the other hand, when a component is said to be "directly connected" or "directly connected" to another component, it should be understood that there is no other component in between.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, the terms "comprise" or "have" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, components, or a combination thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in the commonly used dictionaries should be construed as having meanings consistent with the meanings in the context of the related art, and are not construed in ideal or excessively formal meanings unless expressly defined in this application. Do not.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. 2 is a perspective view of a portable terminal including a detachable cover integrally provided with an antenna according to an embodiment of the present invention.

First, the mobile terminal 200 includes a keypad 210, a PCB 220, a main body 230, a battery 240, a battery cover 250, and a loop antenna 260 included in the battery cover 250. . Here, the main body 230 includes a power supply terminal 231 and an RFID terminal 232. Correspondingly, the battery 240 also includes a power supply terminal 241, and the battery cover 250 includes a loop antenna terminal 251.

Here, the portable terminal 200 of the present invention is provided with a removable cover on the main body 230, the cover is characterized by a structure including an antenna. 2 illustrates a battery cover 250 and a loop antenna 260 included in the battery cover as an example.

The mobile terminal 200 includes a mobile communication terminal, a PDA, a PMP, an MP3 player, a note PC, and the like. Here, an example of a general mobile communication terminal is shown.

On the other hand, the keypad 210 is a means for receiving a user command. Although the keypad 210 is illustrated in FIG. 2, the keypad 210 is not limited to the keypad 210 and may be configured by other means such as a keyboard or a touch screen.

The PCB 220 is a printed wiring circuit board for implementing various functions such as a mobile communication function. This illustrates the PCB 220 only as an example of the configuration of the mobile terminal 200. However, the PCB 220 may include a mobile communication module such as an RFID tag or WCDMA. In this case, the main body 230 includes a power supply terminal 231 contacted when the battery 240 is mounted and a PCB terminal 232 connected to the PCB 220.

The battery 240 is a battery in the form of an inner pack. The battery 240 includes a power terminal 241, and the battery 240 contacts the power terminal 231 of the main body 230 to supply power when the battery 240 is mounted.

The battery cover 251 is a cover for accommodating the battery 240 in the main body 230 and is a removable cover. 2 illustrates a battery cover 25 for accommodating a battery, in particular, the present invention is not limited to the battery cover 250 itself, and any cover that can be attached to or detached from the main body 230 may be a configuration of the present invention. have. The position at which the battery cover 250 is attached or detached is also not limited to the rear side of the main body 230.

However, the battery cover 250 includes an antenna. 2 includes a loop antenna 260 and further includes an antenna terminal 251 for connecting to the loop antenna 260. Here, the antenna terminal 251 is connected to the PCB terminal 232 of the main body 230 when the battery cover 250 and the main body 230 are coupled.

Therefore, when only the battery cover 251 is mounted on the main body 230, the loop antenna 260 and the PCB 220 may be connected to each other even when the battery 240 is not mounted on the main body 230. In FIG. 2, the vertical length of the battery cover 250 is longer than that of the battery 240. This is because the antenna terminal 251 and the PCB terminal 232 may be in contact with each other. However, the structure shown in FIG. 2 is merely an example, and other types of structures may be used as long as the battery cover 250 and the main body 230 may be in contact with each other.

Meanwhile, the loop antenna 260 is integrally included in the battery cover 250. In the embodiment of FIG. 2, the loop antenna 260 is assumed and illustrated. However, the loop antenna 260 may be configured as a planar inverted F antenna or other antenna. The loop antenna 260 is particularly useful for contactless communication using RFID technology.

As such, since the loop antenna 260 is integrally included in the battery cover 250, the loop antenna 260 may be spaced apart from the PCB 220 as much as possible. On the other hand, even if the battery 240 is not mounted on the main body 230, there is an advantage that RFID communication can be performed while only the battery cover 250 is coupled to the main body 230. This is because power is supplied by a magnetic field formed by coils embedded in RFID readers and RFID tags (not shown), respectively.

Meanwhile, the loop antenna 260 is thinly embedded in the battery cover 250. This is formed by inserting an insert into the battery cover 250. The loop antenna 260 may be variously integrated in the battery cover 250. Another embodiment in which the loop antenna 260 is integrally formed with the battery cover 250 will be described with reference to FIGS. 3 and 4.

Referring to FIG. 3, the mobile terminal 300 includes a keypad 310, a PCB 320, a main body 330, a battery 340, a battery cover 350, and a loop antenna 360. Description of each structure is the same as the description of FIG. However, the loop antenna 360 embedded in the battery cover 350 is formed in a pattern on one surface of the battery cover 350. At this time, the pattern may be a square pattern, as shown in Figure 3 may be a circular or circular ring shape. This pattern is formed through the process of double injection molding the pattern shape on the battery cover 350 and the battery cover 350. In addition, the loop antenna 2360 is formed on the surface of the battery cover 350 through a plating process after a pattern shape injection process.

Next, referring to FIG. 4, the mobile terminal 400 also includes a keypad 410, a PCB 420, a main body 430, a battery 440, a battery cover 450, and a loop antenna 460. do. In this case, the loop antenna 460 is different from other embodiments in that it is separately configured to be attachable to the battery cover 450. That is, it is formed by insert-injecting the loop antenna 460 into a separate card shape, and is configured to attach a separate card to the battery cover 450.

Although described above with reference to a preferred embodiment of the present invention, those skilled in the art will be variously modified and changed within the scope of the invention without departing from the spirit and scope of the invention described in the claims below I can understand that you can.

1 is a perspective view of a portable terminal including a battery in which a conventional antenna is integrally provided.

2 is a perspective view of a portable terminal including a detachable battery cover having an antenna integrated therein according to an embodiment of the present invention.

3 is a perspective view of a portable terminal including a detachable battery cover in which an antenna is integrally provided in accordance with another embodiment of the present invention.

4 is a perspective view of a portable terminal including a detachable battery cover having an antenna integrated therein according to another embodiment of the present invention.

Claims (12)

main body; And Detachable or coupled to the main body, and includes a cover integrally provided with an antenna, And the cover is coupled to the main body, wherein the integrated antenna is connected to the main body and operated. The method of claim 1, wherein the cover, A mobile terminal, characterized in that the battery cover. The method of claim 2, wherein the antenna, A mobile terminal, characterized in that a loop antenna. The method of claim 3, wherein the loop antenna, The portable terminal, characterized in that the insert is injected into the battery cover. The method of claim 4, wherein the loop antenna, A portable terminal, characterized in that formed in a pattern on one side of the battery cover. The method of claim 5, wherein the loop antenna, The mobile terminal, characterized in that attached separately to one side of the battery cover. In a mobile terminal, When attached to the main body of the portable terminal, an integrally provided antenna is connected to the main body of the portable terminal, characterized in that the antenna is integrally provided with a removable cover. The method of claim 7, wherein the cover, Removable cover provided with an integrated antenna, characterized in that the battery cover. The method of claim 8, wherein the antenna, A detachable cover provided integrally with an antenna, which is a loop antenna. The method of claim 9, wherein the loop antenna, Removable cover provided with an antenna integrally formed by insert injection molded into the battery cover. The method of claim 10, wherein the loop antenna, Removable cover provided integrally with an antenna, characterized in that formed in a pattern on one side of the battery cover. The method of claim 11, wherein the loop antenna, Removable cover provided integrally with an antenna, characterized in that attached separately to one side of the battery cover.

Images