KR100610208B1 - interior antena of insert molding type - Google Patents

Abstract

The patterned antenna substrate combines the insert-molded housing with the cover surface of the mobile communication terminal, making it easy to store and carry the mobile phone, and to prevent frequent breakage or failure of the existing exposed antenna.

The present invention is an antenna of a mobile communication terminal comprising a talk side formed on a main body and a sign side formed on a cover fixedly openable to a main body to enable transmission of voice service, data, and multimedia information.

The substrate for patterned antenna has a housing which is insert molded.

Mobile communication terminal, built-in antenna, patterned antenna board

Description

Interior antena of insert molding type             

1 (a, b) is a schematic diagram of a mobile communication terminal according to the prior art,

2 is a cross-sectional view of an insert-molded internal antenna according to an embodiment of the present invention;

3 is a schematic diagram of a mobile communication terminal equipped with an insert-molded internal antenna according to an embodiment of the present invention;

4 is a cross-sectional view of an insert-molded internal antenna according to another embodiment of the present invention.

* Explanation of symbols used in the main part of the drawing

10; Board for antenna

20; housing

30; cover

40; Groove

50; Decorative layer

The present invention is to form an antenna of a mobile communication terminal such as a cellular phone, PCS and PDA into a patterned substrate, but to improve the reception sensitivity by combining a housing in which the patterned antenna substrate is insert-molded on the cover surface The present invention relates to an embedded antenna that is insert molded.

More specifically, the patterned antenna substrate is inserted into the insert molded housing into the groove formed on the cover surface of the mobile communication terminal such as a folder type, so that the mobile phone can be easily stored and carried. In addition, the present invention relates to an insert-molded internal antenna that can prevent frequent breakage or failure of an existing exposed antenna.

A mobile communication terminal called a cell phone or a mobile phone is called a PCS or next generation mobile communication (or third generation mobile communication) that can transmit multimedia information such as data or video in the voice communication of the cellular phone that led the era of analog mobile communication. Has been leading the mainstream in the mobile communication market by switching to data communication of digital mobile communication such as IMT-2000.

The data communication described above can be solved by using a mobile communication network for all kinds of information as the mobile internet is developed through a combination with the Internet.

As such, since a single mobile communication terminal can access various kinds of information, the mobile communication terminal has more meaning than the device itself, especially for the young generation who can easily access the Internet environment.

As shown in FIG. 1 (a), the flip type terminal is provided with an LCD display window (2) for displaying an operation state according to a plurality of function buttons (1) and a dial (1a) for operation of a call, and a microphone for making a call. (3) and the body portion (5) on which the speaker (4) is mounted, the exposed antenna (7) coupled to the antenna support boss (6) formed integrally behind the body portion (5), and the body portion (5). And a battery (not shown) that is detachably coupled to the bottom of the body portion 5, and a flip 8 that is hinged to and secured to the body.

As shown in FIG. 1 (b), the foldable terminal includes a plurality of function buttons 1, a dial 1a and a microphone 3 formed on the front side thereof, and a battery (not shown) detachable from the back side. It includes a body portion (5) that is possibly coupled, and a folder (8a) which is hinged and fixed to the body portion (5), and on which the speaker (4) and the LCD display window (2) are mounted.

Referring to the use of the above-described mobile communication terminal (for example, a flip type terminal), the function button 1 and the call dial 1a formed on the body 5 by opening the aforementioned flip 8 are described. If you press the call key after touching the corresponding button, the signal of the mobile phone main body is modulated by CDMA (code division multifle access) method and output as a high frequency signal, the high frequency signal is transmitted to the antenna 7 through a predetermined connection means Is radiated.

The radio signal of the public is transmitted to the main body circuit of the mobile phone through the antenna (7), and then through the demodulation and decoding process to the user through the speaker (4) can be called.

Mobile communication terminal according to the prior art, the rod-type antenna is installed so as to be exposed to the outside of the device body, the volume of the device is increased, which is inconvenient to carry and storage of the mobile phone, antenna support boss for installing so that the antenna protrudes to the outside Since the fixing means is required to fix the antenna is complicated, there is a problem in design and manufacturing workability is inferior.

In addition, since the rod-type antenna end is formed to be exposed from the main body, the antenna's service life is shortened due to frequent breakdowns and failures due to contact with external obstacles when the antenna is withdrawn from the device or carried, thus replacing the antenna with a new antenna. There is a problem that requires.

In addition, as the rod-type antenna is exposed from the main body, the external shape of the terminal is designed and manufactured to maintain a uniform rectangular shape, so that the appearance and aesthetics of the product are poor, so consumers can easily feel the demonstration and lose the competitiveness of the product. Has the problem.

In addition, since the cover must be close to the user's ear during a call using a device equipped with a rod antenna, the user's health is harmed by electromagnetic energy harmful to the human body radiated from the antenna, and the terminal is absorbed by the user's head. Since the amount of energy is radiated more, the power consumption of the battery is increased, while the sensitivity of the absorbed portion is reduced.

The above-described object of the present invention is to insert the insert molded antenna to the cover surface of the terminal to facilitate the storage and portability of the mobile phone, and to eliminate the need for the process of pulling out the antenna during a call to prevent the antenna from being damaged It is to provide a built-in antenna.

Another object of the present invention is that the antenna is connected to the printed circuit board built into the main body when the insert-molded housing is coupled to the cover surface, thereby protecting the user from electromagnetic waves generated during a call and as much energy absorbed by the user's head as possible. It is to provide an insert-molded internal antenna to prevent the battery power is consumed.

Another object of the present invention, by inserting the insert molded antenna to the cover surface, the insert-molded embedded to improve the appearance and aesthetics of the terminal case by freely designing and manufacturing the existing uniform body appearance It is to provide an antenna.

An object of the present invention as described above, in the antenna of the mobile communication terminal which consists of a talk side formed on the main body and a sign side formed on the cover that is openably fixed to the main body to enable the transmission of voice services, data and multimedia information,

An insert-molded embedded antenna comprising a housing in which the patterned antenna substrate is insert molded, so that the antenna substrate is electrically connected to the printed circuit board of the main body when the housing is coupled to the groove formed on the cover surface. By providing a.

According to a preferred embodiment, the housing described above is formed in a square or trapezoidal shape.

In addition, the decorative layer formed on the upper surface of the housing is further provided.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, which are intended to describe in detail enough to enable those skilled in the art to easily carry out the invention, and thus It is not intended that the technical spirit and scope of the invention be limited.

As shown in Figures 2 to 4, the present invention consists of a talk side formed in the main body and a sign language side formed in the cover that is fixedly openable to the main body is a mobile communication that enables the transmission of voice services, data and multimedia information Applied to the antenna of the terminal, these are technical contents that are applied to the technical field to which the present invention belongs, detailed description of the configuration and operation will be omitted below.

The insert-molded embedded antenna according to the present invention inserts the patterned antenna substrate 10 into the housing 20, but couples the housing 20 to the groove 40 formed on the cover 30. In this case, the terminal (not shown) of the antenna substrate 10 is electrically connected to the terminal (not shown) of the printed circuit board (PCB) of the main body (not shown) by a conductive thin film cellulite or the like. .

The housing 20 described above may be formed in a square or trapezoidal shape or the like.

It is further provided with a decorative layer 50 formed on the upper surface of the housing 20 described above.

The above groove 40 is required to be formed without damaging the shielding layer formed on the surface of the cover 30 to shield the electromagnetic interference (EMI) by the electromagnetic wave emitted from the terminal during the call.

Since the antenna substrate 10 described above is embedded in the cover 30, the shape of the mobile communication terminal may be formed in various shapes such as square, circular, elliptical, fan-shaped, and clamshell.

Hereinafter, a use example of an insert-molded embedded antenna according to the present invention will be described in more detail with reference to the accompanying drawings.

As shown in Figures 3 and 4, in embedding the antenna for transmitting and receiving frequencies in a mobile communication terminal, such as a mobile phone, the groove 40 on the surface of the cover 30 is fixed to the main body so as to be opened and closed. It is formed in a rectangular or duplex tail groove type, the patterned antenna substrate 10 is built-in to fit the molded housing 20 to the groove 40 to slide the coupling.

Therefore, since the terminal (not shown) of the antenna substrate 10 is connected to the terminal of the printed circuit board (PCB) built in the main body through the hinge portion, the conductive substrate 10 is embedded in the cover 30. This makes it possible to smoothly perform the function of transmitting or receiving radio waves such as voice information.

As the above-described antenna substrate 10 is embedded in the recess 40 formed on the surface of the cover 30, the antenna arrangement is not limited, and thus the external shape of the terminal has a conventional uniform shape and has almost the same shape. By escaping from the top, various designs and fabrications are possible, such as round, oval, fan-shaped, and clamshell.

Since the antenna is built in the device, it is not necessary to take out the antenna during the call, so it is convenient to use, and it does not cause the interference of the antenna to the external object when carrying and storing it, preventing the antenna from being broken and receiving sensitivity during the call. It can increase.

Since the antenna 30 embedded in the cover 30 as a single layer or a plurality of layers is patterned in a lattice structure or a plate shape and connected to the printed circuit board in the main body, transmission and reception states are better than those of a conventional rod type antenna. It's relatively good.

As the housing 20 is forcibly fitted to the groove 40 after the molding process so that the above-described antenna substrate 10 is embedded, workability of reducing the number of parts is improved.

On the other hand, as shown in Figure 4, by improving the appearance and aesthetics of the terminal by a decorative layer 50, such as a gold plated layer or a luminous body formed on the surface of the housing 20 coupled to the surface of the cover 30 described above You can make use of your unique personality.

As described above, the insert-molded embedded antenna according to the present invention has the following advantages.

The insert molded internal antenna is coupled to the cover surface of the terminal to easily store and carry the mobile phone, and it is unnecessary to take out the antenna during a call, thereby preventing the antenna from being damaged.

In addition, the antenna is connected to the printed circuit board in the main body when the insert-molded housing is coupled to the cover surface, so that the user is protected from electromagnetic waves generated during a call, and the amount of battery power absorbed by the user's head It can be prevented from being consumed.

In addition, by inserting the insert molded antenna into the cover, it is possible to freely design and manufacture the existing uniform body appearance to improve the appearance and aesthetics of the terminal case.

Claims (3)

In the antenna of the mobile communication terminal comprising a talk side formed in the main body and a sign side formed in the cover which is fixedly openable to the main body to enable the transmission of voice services, data and multimedia information. The substrate for patterned antenna has a housing which is insert molded, And the antenna substrate is conductively connected to the printed circuit board of the main body when the housing is coupled to a recess formed in the cover surface. The insert-molded embedded antenna of claim 1, wherein the housing is formed in a quadrangular or trapezoidal shape. The insert-molded embedded antenna according to claim 1 or 2, further comprising a decorative layer formed on an upper surface of the housing.

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