KR20080073873A - Mobile terminal having a antenna - Google Patents

Abstract

A mobile terminal is provided to increase the area of installation substantially to install circuit elements at a PCB(Printed Circuit Board) by mounting an antenna at a battery locker which locks and unlocks a battery pack. A mobile terminal comprises a battery locker(300) and an antenna(400). The battery locker is formed at a main body so as to lock and unlock a battery pack. The antenna is mounted at the battery locker. The antenna is a patterned antenna which is mounted at the battery locker exposed to the external. The antenna is installed at a mounting groove formed at the surface of the battery locker. A guide hole, through which a feeding line(524) to electrically connect the antenna passes, is formed at the battery locker.

Description

Mobile terminal with antenna {MOBILE TERMINAL HAVING A ANTENNA}

1 is a rear perspective view of the first embodiment;

Figure 2 is a perspective view of the battery locker of the first embodiment.

3 is a plan view of FIG.

4 is a perspective view of an antenna of Embodiment 1;

Figure 5 is a rear perspective view of Figure 4;

Fig. 6 is a sectional view of an essential part of AA ′ of Fig. 1.

Fig. 7 is a sectional view of an essential part of BB 'of Fig. 1;

8 is a schematic rear view of the printed circuit board of Embodiment 1. FIG.

9 is a sectional view of a modification of Embodiment 1 corresponding to FIG.

10 is a sectional view of Embodiment 2 corresponding to FIG.

11 and 12 are rear views of a modification of the first embodiment;

<Description of the symbols for the main parts of the drawings>

100: terminal body 110: spring support cylinder

200: battery pack

300: battery locker 310: seating groove

312: Guide Home 314: Guide Home

320: fastening protrusion 330: spring

400: antenna 410: substrate

422: radiation unit 424: feeder

426: ground

510: Information container 524: Feeding line

526: ground line

600: printed circuit board 614: feeder

616: grounding section 624,626: solder point

630: flexible circuit board

1100: terminal body 1110: spring support cylinder

1300: battery locker 1330: spring

1400: Antenna 1510: Information Box

1524: feed line 1526: ground line

1534,1536: Metal plate 1544,1546: Cable

1600: printed circuit board

The present invention relates to a mobile terminal having an antenna, and more particularly to a mobile terminal having an antenna mounted to a battery locker for locking and unlocking a battery pack.

In the case of a mobile terminal having an antenna, a printed circuit board is typically used to mount a circuit element for operating the terminal. In accordance with the miniaturization and slimming of the mobile terminal, a circuit element is mounted on a printed circuit board or a circuit line between circuit elements is used. The mounting area of printed circuit boards for patterning is being constrained.

Therefore, when the antenna pattern is formed on the printed circuit board, or when the patterned antenna is mounted on the printed circuit board, the antenna size is limited due to the limitation of the mounting area of the printed circuit board. .

In addition, when a metal material is included in the case of the mobile terminal, the antenna disposed inside the terminal case may have a problem in that radiation performance is deteriorated by the terminal case including the metal material.

The present invention is to provide a mobile terminal with an antenna to substantially increase the mounting area of the printed circuit board by mounting an antenna, in particular a patterned antenna to a battery locker for locking and unlocking the battery pack in the terminal body.

The present invention is to provide a mobile terminal with an antenna that can form an antenna pattern having a large area of the radiating portion without being limited to the mounting area of the printed circuit board by mounting the patterned antenna on the battery locker.

The present invention is to expose the patterned antenna to the outside of the terminal case, to provide an antenna with a mobile terminal with a small reduction in the radiation performance of the antenna due to the metal terminal case.

The present invention includes a battery locker provided in the terminal body, and an antenna mounted on the battery locker to lock and unlock the battery pack. It relates to a terminal.

In the present invention, the antenna is a patterned antenna provided in the battery locker exposed to the outside, the battery locker may be formed with a guide hole through which a feed line for electrical connection with the antenna is formed. do.

In the present invention, the antenna is provided in a seating groove formed on the surface of the battery locker, the guide hole is formed from the seating groove of the battery locker to the opposite surface of the battery locker surface, the terminal The back of the main body may be provided with a cutout in communication with the guide hole.

In the present invention, an end portion of the feed line is introduced into the terminal body through the cutout, and may be fixed by soldering to a printed circuit board provided in the terminal body.

In the present invention, an end portion of the feed line is inserted into the main body of the terminal through the cutout, and connected to the flexible circuit board provided in the terminal main body so as to be energized, and the flexible printed circuit board is provided in the terminal body. It may also be connected to the printed circuit board to enable energization.

The present invention, one end is fixedly connected to the surface opposite surface of the battery locker and is energized with the power supply line, the other end is provided with a metal plate that is inserted into the terminal body through the cutout, the other end of the metal plate and the terminal body It may also include a cable for connecting the printed circuit board to be energized.

In the present invention, the antenna is mounted on the surface of the battery locker, the guide hole is formed through the surface from the surface of the battery locker to the opposite surface of the battery locker, the back of the terminal body, An incision may be formed in communication with the guide hall.

In the present invention, the battery locker is provided on the rear surface of the terminal body, and also locks and unlocks the battery pack as it moves in a direction perpendicular to the rear surface of the terminal body.

In the present invention, the battery locker is provided on the rear surface of the terminal body, and also locks and unlocks the battery pack as it moves in a horizontal direction on the rear surface of the terminal body.

In the present invention, the guide hole for protecting the feed line is inserted into the guide hole, the end of the guide cylinder exposed from the guide hole may be drawn into the inside of the terminal body.

In the present invention, the guide hole may be further provided with a ground line for electrical connection with the antenna.

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

Example 1

Embodiment 1 is an embodiment of a mobile terminal with an antenna according to the present invention. 1 is a rear perspective view of Embodiment 1, FIG. 2 is a perspective view of a battery locker of Embodiment 1, FIG. 3 is a plan view of FIG. 2, FIG. 4 is a perspective view of an antenna of Embodiment 1, FIG. 5 is FIG. 6 is a cross-sectional view of the major part of AA 'of FIG. 1, FIG. 7 is a cross-sectional view of the major part of BB' of FIG. 1, and FIG. 8 is a schematic rear view of the printed circuit board of Embodiment 1. FIG.

Referring to FIG. 1, Embodiment 1 has a terminal body 100 and a battery pack 200. The battery pack 200 is mounted on the rear surface of the terminal body 100.

Referring to FIG. 1, a battery locker 300 is mounted on a rear surface of the terminal body 100. The battery locker 300 is for locking and unlocking the battery pack 200 to the terminal body 100.

Referring to FIG. 2, a seating groove 310 is formed on a surface of the battery locker 300. A guide hole 312 is formed at one side of the bottom of the seating groove 310. Referring to FIG. 9, the guide hole 312 penetrates from the bottom of the mounting groove 310 to the surface opposite to the surface of the battery locker 300.

2 and 3, the guide groove 314 is formed at the bottom of the mounting groove 310. The guide groove 314 is for fixing one side end of the cable to be described later. The guide groove 314 is formed in a shape in which one end is bent in a '-' shape, the other end is formed to extend to the guide hole 312.

Referring to FIG. 2, a fastening protrusion 320 protrudes from one side of the battery locker 300.

Referring to FIG. 4, Embodiment 1 has an antenna 400 that is inserted into and fixed to a seating groove 310. The antenna 400 is formed by patterning the radiating portion 422, the feeding portion 424, and the grounding portion 426 on the thin substrate 410. Meanwhile, referring to FIG. 5, the power feeding part 424 and the radiating part 426 extend to the rear surface of the substrate 410. The feeding part 424 and the radiating part 426 formed on the rear surface of the substrate 410 are formed to be positioned above the guide groove 314 when the antenna 400 is inserted into and fixed to the seating groove 310.

Referring to FIG. 6, the battery locker 300 is elastically supported by the spring 330 through the opposite side of the surface. One end of the spring 330 is inserted into and supported by a spring support cylinder 110 formed on the rear surface of the terminal body 100.

Referring to Figure 7, the guide hole 312 is inserted into the guide cylinder 510 of the non-conductive material. One end of the guide cylinder 510 is fitted into the guide hole 312, and the other end of the guide cylinder 510 is located inside the terminal body 100. Therefore, a cutting hole (not shown) is formed on the rear surface of the terminal main body 100 so that the other end of the guide tube 510 is inserted therein. Incision hole (not shown) is the outside of the guide cylinder 510 so that when the battery locker 300 is moved in a direction perpendicular to the back of the terminal body 100, the guide cylinder 510 is vertically moved without contacting it. It is formed larger than the cast.

Referring to FIG. 7, Embodiment 1 has a power supply line 524 and a ground line 526. Referring to Figure 2 together, one end of the feed line 524 and the ground line 526 is inserted and fixed to the guide groove 314 formed in the seating groove 310, respectively. At this time, one end of the feed line 524 and the ground line 526 is bent in a 'b' shape, respectively, and is inserted and fixed in the guide groove 314. The other ends of the feed line 524 and the ground line 526 pass through the inside of the guide tube 510 fitted into the guide groove 312 and are introduced into the terminal body 100.

Referring to FIG. 7, the terminal body 100 includes a printed circuit board 600. Referring to FIG. 8, the printed circuit board 600 includes a power feeding part 614 and a grounding part 616. Although not shown in the drawing, the printed circuit board 600 is provided with an antenna module (not shown) connected to the feeder 614 to transmit and receive radio waves through the antenna 400.

7 and 8, the other ends of the power supply line 524 and the ground line 526 are soldered to and fixed to the rear surface of the printed circuit board 600. Accordingly, two solder points 624 and 626 are formed on the rear surface of the printed circuit board 600 by soldering the other ends of the feed line 524 and the ground line 526. On the other hand, the feed line 524 and the ground line 526 are each coated cable.

Hereinafter, the operation of the first embodiment described above will be described.

Referring to FIG. 6, the first embodiment locks and unlocks the battery pack 200 to the terminal body 100 by moving the battery locker 300 in a direction perpendicular to the rear surface of the terminal body 100. When the battery pack 200 is locked and presses the battery locker 300 to move in a direction perpendicular to the rear surface of the terminal body 100, the fastening protrusion 320 is detached from the battery pack 200 and the Locking is released. When the battery pack 200 is separated from the terminal body 100 and the force applied to the battery locker 300 is removed, the battery locker 300 is returned to its original position by the elastic force of the spring 330.

Referring to FIG. 7, when the battery locker 300 moves in the front direction of the terminal main body 100 to release the locking, one end of the guide tube 510, the power feeding line 524, and the ground line 526 may be in the same direction. Will move. At this time, the cutting hole (not shown) formed in the terminal main body 100 is formed larger than the outer circumference of the guide tube 510, so that the guide tube 510 moves smoothly. Meanwhile, the power supply line 524 and the ground line 526 are flexible cables, and the other ends of the power supply line 524 and the ground line 526 form solder points 624 and 626 fixed to the printed circuit board 600. It is bent in a state.

7 and 2, one end of the feed line 524 and the ground line 526 is bent in a '-' shape to be fixed to the guide groove 314, and the substrate 410 of the antenna 400. Since it is compressed by, there is no fear that the electrical connection is released by the movement of the battery locker 300.

Referring to FIG. 7, since the antenna 400 is mounted on the battery locker 300, the problem caused by the mounting area constraint of the printed circuit board 600 may be solved. In addition, in Embodiment 1, since the mounting area of the printed circuit board 600 is not limited, the area of the battery locker 300 is increased, whereby the radiator 422 can form a large antenna pattern. Accordingly, it is possible to solve the antenna gain reduction problem due to the miniaturization of the antenna pattern. Since the radiating part 422 patterned on the substrate 410 is exposed to the outside of the terminal case, the radiation performance of the antenna is improved as compared to the case where the radiating part 422 is provided inside the terminal case made of metal.

In the first embodiment, the power supply line 524 and the ground line 526 are cables. However, in another embodiment, any one or both of the power supply line 524 and the ground line 526 may be connected to the flexible circuit board. It may be patterned. In this case, the flexible printed circuit board having the feed line 524 or the ground line 526 patterned is connected to the printed circuit board 600 of the terminal main body 100 so as to enable electricity supply.

In the first embodiment described above, the power supply line 524 and the ground line 526 may be provided. However, in another embodiment, only the power supply line 524 may be provided. For example, another embodiment may be a 'reverse L' type antenna.

In the first embodiment, the antenna 400 has the radiation part 422, the power feeding part 424, the grounding part 426, etc. patterned in a specific form on the substrate 410, but in another embodiment, the antenna The 400 may be a conductive wire without a substrate, or may be a coated conductive wire, a conductive plate, or the like.

In the first embodiment, the mounting groove 310 is formed so that the antenna is mounted on the battery locker 300. However, in another embodiment, the mounting groove 310 may not be formed. In this case, an antenna is mounted on the surface of the battery locker 300, and a guide hole 312 is formed from the surface of the battery locker 300 toward the opposite surface.

In the first embodiment, the power supply line 524 and the ground line 526 are soldered to the printed circuit board 600 provided in the terminal body 100. However, in another embodiment, as shown in FIG. The flexible circuit board 630 may be connected to the printed circuit board 600 so as to be energized.

In the first embodiment, the battery locker 300 locks and unlocks the battery pack 200 by moving in a direction perpendicular to the rear surface of the terminal body 100, but in another embodiment, the terminal body 100. It may be to lock and unlock the battery pack 200 by moving in the horizontal direction on the back. For example, the battery locker may move in the width direction of the terminal body as shown in FIG. 11, or move in the longitudinal direction of the terminal body as shown in FIG. 12. In this case, the cutout portion formed on the rear surface of the terminal body so that the guide cylinder is retracted is formed with a straight through groove so that the guide cylinder can be moved in the same direction as the movement direction of the battery locker.

In the case of the first embodiment, the antenna 400 may be a Bluetooth antenna for short range communication. In this case, the terminal main body 100 is provided with a main antenna for telecommunication.

Example 2

Embodiment 2 is an embodiment of an antenna with a mobile terminal according to the present invention. FIG. 10 is a sectional view of Embodiment 2 corresponding to FIG. 7 of Embodiment 1. FIG.

Referring to FIG. 10, the second embodiment includes a terminal body 1100, a battery pack (not shown), and a battery locker 1300, similar to the first embodiment.

As in Example 1, a mounting groove (not shown) is formed on the surface of the battery locker 1300, and a guide hole (not shown) and a guide groove (not shown) are formed at the bottom of the mounting groove (not shown). ) Is formed. Description of these is based on Example 1.

Referring to FIG. 10, the second embodiment has an antenna 1400 that is inserted and fixed in a seating groove (not shown) as in the first embodiment. Description of the antenna 1400 is based on the first embodiment.

Referring to FIG. 10, the battery locker 1300 is elastically supported by the spring 1330 through the opposite surface of the surface. One end of the spring 1330 is inserted into and supported by a spring support cylinder 1110 formed on the rear surface of the terminal body 1100.

Referring to FIG. 10, a guide cylinder 1510 made of a non-conductive material is inserted into and fixed to a guide hole (not shown). Guide cylinder 1510 is fitted in the guide hole (not shown), the end portion is formed to reach the end of the guide hole (not shown). In the case of the second embodiment, unlike the first embodiment, the distal end of the guide tube 1510 is not drawn into the terminal body 1100.

Referring to Fig. 10, Embodiment 2 has two metal plates 1534 and 1536. One end of each of the metal plates 1534 and 1536 is fixedly connected to an opposite side of the surface of the battery locker 1300, and the other end is located inside the terminal body 1100. Therefore, two cutting holes (not shown) are formed on the rear surface of the terminal body 1100 so that the other ends of the respective metal plates 1534 and 1536 are inserted. Each incision (not shown) is larger than the metal plate cross-sectional size such that when the battery locker 1300 moves in a direction perpendicular to the back surface of the terminal body 1100, the metal plates 1534 and 1536 may be vertically moved without contact. It is largely formed.

Referring to FIG. 10, cables 1544 and 1546 are connected to the other ends of the metal plates 1534 and 1536, respectively. Each cable 1544 and 1546 has a distal end connected to the printed circuit board 1600 so as to be energized. That is, one cable 1544 is connected to a feeder (not shown) on the printed circuit board 1600, and the other cable 1546 is connected to a ground part (not shown) on the printed circuit board 1600. do.

Referring to Fig. 10, Embodiment 2 has a feed line 1524 and a ground line 1526. One end of the power supply line 1524 and the ground line 1526 is inserted and fixed in the guide groove (not shown) formed in the seating groove (not shown), as in the first embodiment. The other ends of the power supply line 1524 and the ground line 1526 are bent to the left and right sides of the guide cylinder 1510, respectively, and are connected to and fixed to different metal plates 1534 and 1536.

In the second embodiment, as the battery locker 1300 moves in a direction perpendicular to the rear surface of the terminal body 1100, the metal plates 1534 and 1536 move in the same direction as the battery locker 1300. Since the metal plates 1534 and 1536 are introduced into the terminal body 1100 through cutouts (not shown) having sizes larger than the cross sections of the metal plates 1534 and 1536, movement through cut holes (not shown) is performed. This is done smoothly.

In the second embodiment, the metal plates 1534 and 1536 are fixedly connected to the opposite side of the surface of the battery locker 1300. However, in another embodiment, the flexible circuit board may be fixedly connected. In this case, two circuit lines may be patterned on one flexible circuit board, and these circuit lines may be connected to the power supply line 1524 and the ground line 1526. In this case, it is sufficient if only one cutting hole is formed in the terminal body 1100 for the introduction of the flexible circuit board.

Other matters are as described in Example 1. For example, in another embodiment, the power supply line 1524 and the ground line 1526 are patterned on one flexible circuit board, and one side of the flexible circuit board is a feed part (not shown) of the antenna and a ground part (not shown). The other side of the flexible circuit board may be inserted into the terminal through a cutout formed in the terminal body 1100 and connected to the printed circuit board 1600.

According to the present invention, since the antenna is mounted on the battery locker, the mounting area capable of mounting the circuit element on the printed circuit board is substantially increased.

Since the antenna is not mounted on the printed circuit board, the present invention can form an antenna pattern having a large radiation area without being limited to the mounting area on the printed circuit board. In other words, by increasing the area of the battery locker to form an antenna pattern having a large radiation portion, it is possible to solve the antenna gain reduction problem due to the miniaturization of the antenna pattern.

According to the present invention, since the radiation patterned on the substrate is exposed to the outside of the terminal case, the radiation performance of the antenna is improved as compared with the case in which the metal case is provided inside the terminal case.

The present invention is provided with a guide tube, because the incision is formed on the back of the battery body, there is an effect that the electrical connection between the antenna and the printed circuit board provided in the terminal body is ensured.

Claims (11)

A battery locker provided in the main body of the terminal to lock and unlock the battery pack; Mobile terminal with an antenna, characterized in that it comprises an antenna mounted to the battery locker (locker). The method of claim 1, The antenna is a patterned antenna provided in the battery locker exposed to the outside, The battery locker is a mobile terminal with an antenna, characterized in that a guide hole through which a feed line for the electrical connection with the antenna is formed. The method of claim 2, The antenna is provided in a mounting groove formed on the surface of the battery locker, The guide hole penetrates from a seating groove of the battery locker to an opposite surface of the battery locker surface. The rear of the terminal body, the mobile terminal with an antenna, characterized in that the incision is formed in communication with the guide hole (guide hall). The method of claim 3, An end portion of the power supply line is inserted into the terminal body through the cutout, and is fixed to the printed circuit board provided in the terminal body by soldering (soldering) is fixed. The method of claim 3, An end portion of the feed line is inserted into the main body of the terminal through the cutout, and is connected to the flexible circuit board provided in the main body of the terminal so as to be energized. The flexible circuit board is a mobile terminal with an antenna, characterized in that connected to the conductive circuit provided on the printed circuit board provided in the terminal body. The method of claim 3, A metal plate having one end fixedly connected to a surface opposite to the surface of the battery locker so as to be energized with the power supply line, and the other end connected to the terminal body through the cutout; And a cable connecting the other end of the metal plate to a printed circuit board provided in the terminal body to enable electricity. The method of claim 2, The antenna is mounted on a surface of the battery locker, The guide hole is formed to penetrate from the surface of the battery locker to the opposite surface of the battery locker surface, The rear of the terminal body, the mobile terminal with an antenna, characterized in that the incision is formed in communication with the guide hole (guide hall). The method according to any one of claims 3 to 6, The battery locker is provided on the back of the terminal body, the mobile terminal with an antenna, characterized in that the locking (locking) and unlocking (unlocking) the battery pack as it moves in a direction perpendicular to the back of the terminal body. The method according to any one of claims 3 to 6, The battery locker is provided on the rear surface of the terminal body, the mobile terminal with an antenna, characterized in that the locking (locking) and unlocking (unlocking) the battery pack as it moves in a horizontal direction on the back of the terminal body. The method according to claim 4 or 5, The guide hole is inserted into the guide hole for protecting the feed line, An end portion of the guide tube exposed from the guide hole is introduced into the inside of the terminal body, characterized in that the mobile terminal with an antenna. The method according to any one of claims 2 to 6, And a ground line for electrical connection with the antenna is disposed in the guide hole.

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