KR101720217B1 - Electronic apparatus including metal case - Google Patents

Electronic apparatus including metal case Download PDF

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Publication number
KR101720217B1
KR101720217B1 KR1020150164619A KR20150164619A KR101720217B1 KR 101720217 B1 KR101720217 B1 KR 101720217B1 KR 1020150164619 A KR1020150164619 A KR 1020150164619A KR 20150164619 A KR20150164619 A KR 20150164619A KR 101720217 B1 KR101720217 B1 KR 101720217B1
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KR
South Korea
Prior art keywords
antenna
capacitor
ant
body portion
slit
Prior art date
Application number
KR1020150164619A
Other languages
Korean (ko)
Inventor
최종승
김승연
Original Assignee
주식회사 디아이티
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Priority to KR1020150164619A priority Critical patent/KR101720217B1/en
Application granted granted Critical
Publication of KR101720217B1 publication Critical patent/KR101720217B1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/42—Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/04—Metal casings

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Support Of Aerials (AREA)
  • Telephone Set Structure (AREA)

Abstract

An electronic device includes a conductive body portion; And at least one antenna unit connected to the body unit, the at least one antenna unit being connected to at least a part of the body unit, the area between the body unit being an empty space or filled with a nonconductive material, and being used as an antenna radiator; At least one slit is formed in at least a part of the area between the body and the antenna.

Description

ELECTRONIC APPARATUS INCLUDING METAL CASE [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0002] The present invention relates to an electronic device including a metal case, and more particularly, to an electronic device including a metal case with a part usable as an antenna radiator,

Recently, metal cases have been widely used for mobile terminals because of their beautiful appearance and robustness. Such a metal case can use a part of the metal case as an antenna radiation pattern due to its physical characteristics.

Korean Patent Publication No. 10-1529027 (an antenna device for a mobile communication terminal using a part of a metal case in a radiation pattern) discloses an antenna device for a mobile communication terminal that uses a part of a metal case in a radiation pattern.

However, in the case of Korean Patent Registration No. 10-1529027, as shown in Fig. 1, the second radiation pattern portion 112 is separated from the metal case Cn by the insulating portions n1 and n2. In the case of the metal case in which the antenna radiator is segmented, it is difficult to manufacture the metal case.

However, when the antenna radiator part of the metal case is not segmented, it is difficult to separate the signal from the body, so that it is difficult to use a part of the metal case as an antenna radiation pattern.

An object of the present invention is to provide an electronic device including a metal case capable of separating a signal without separating the metal case and capable of using a part of the metal case as an antenna radiation pattern, And the like.

An electronic device of the present invention includes: a conductive body portion; And at least one antenna part connected to at least a part of the body part, the area between the body part and the antenna part being filled with a non-conductive material and used as an antenna radiator, And at least one slit is formed in at least a part of the region between the antenna portions.

Specifically, the electronic device of the present invention may further include at least another slit in line symmetry or point symmetry with each of the at least one slit.

In addition, the electronic device of the present invention is characterized in that power is supplied to a point offset to one side of the antenna unit.

The electronic device of the present invention may further include a protrusion protruding from the body portion and extending in contact with at least a part of the at least one antenna portion across the region between the body portion and the antenna portion. And the protruding portion is biased to one side of a region between the body portion and the antenna portion. The electronic device of the present invention can be supplied with electric power to both sides of the antenna portion separated by the projecting portion therebetween.

It is preferable that at least a part of the at least one antenna unit is connected to one end of the capacitor, and the other end of the capacitor is connected to the body part or the feeding part.

When the other end of the capacitor is connected to the body portion, a point shifted to one side of the antenna portion is connected to the power supply portion, and the capacitor is located at a position offset from the one side of the antenna portion connected to the power supply portion .

At least a part of the at least one antenna unit may be connected to one end of the first capacitor and one end of the second capacitor, respectively, wherein the other end of the first capacitor is connected to the body, Is preferably connected to the feeding part.

At least a part of the at least one antenna unit is connected to an antenna pattern formed outside the at least one antenna unit.

Preferably, the body portion and the antenna portion may be integrally manufactured. Alternatively, the body portion and the antenna portion may be separately manufactured and then connected.

According to the electronic device of the present invention, the signal can be separated without using the antenna radiator part of the metal case, so that a part of the metal case can be used as the antenna radiation pattern.

1 is a plan view of a conventional metal case;
Fig. 2 is an exemplary view of a metal case made separately from the body portion and the antenna portion
3 is an exploded top view of an electronic device according to a first preferred embodiment of the present invention.
4 is an exploded top view of an electronic device according to a second preferred embodiment of the present invention.
5 is an exploded top view of an electronic device according to a third preferred embodiment of the present invention.
6A is an explanatory diagram of a case where the other end of the capacitor is connected to the feed part.
Fig. 6B is an explanatory diagram of the case where the other end of the capacitor is connected to the body part;
7 is an exploded top view of an electronic device according to a fourth preferred embodiment of the present invention.
8A and 8B are a perspective view and a cross-sectional view, respectively, of a first embodiment for connection of a part of the antenna part and an antenna pattern formed outside the antenna part.
9A and 9B are a plan view and a cross-sectional view, respectively, of a second embodiment for connection of a part of the antenna part and an antenna pattern formed outside the antenna part.
10A and 10B are a structural view and a connection sectional view, respectively, of a third embodiment for connecting an antenna pattern formed on a part of the antenna part and an antenna part on the outside of the antenna part, respectively.

Hereinafter, an electronic device including a metal case according to embodiments of the present invention will be described in detail with reference to the accompanying drawings.

It should be understood that the following embodiments of the present invention are only for embodying the present invention and do not limit or limit the scope of the present invention. It will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the following claims.

The electronic device of the present invention can be exemplified by a mobile terminal such as a smart phone and at least a part of the metal case located inside the outermost case is used as an antenna radiation pattern, .

In addition, the exploded plan view used below shows a plan view after the outermost case of the electronic device is separated.

The electronic device of the present invention preferably includes the metallic case (100, 200, 300, 400).

The metal case 100, 200, 300, 400 includes a conductive body portion BD formed of metal and at least one antenna portion ANT that can be used as an antenna radiator. In the case of the body part BD, the body part BD may be manufactured integrally with the antenna part ANT, but may be separately manufactured and electrically and physically connected to the antenna part ANT.

2 shows an example of a metal case in which a body part BD and an antenna part ANT are separately manufactured.

2, the body part BD and the antenna part ANT are separately manufactured and connected to each other by a ring-shaped metal structure partly used as the antenna part ANT, For example, by using a screw. At this time, a PCB board may be mounted on the body part BD.

When the body part BD and the antenna part ANT are separately fabricated and connected to each other, the slit SL has a width of at least one of a part of the body part BD and a part of the area of the antenna part ANT And forming a space in the narrowed width. That is, when the body part BD and the antenna part ANT are connected by assembling, the slit SL appears between the body part BD and the antenna part ANT.

3 to 10B will be described with reference to metal cases 100, 200, 300 and 400 in which a body part BD and an antenna part ANT are integrated. However, the body part BD and the antenna part ANT May be directly applied to the separately manufactured metal case.

3 shows a metal case 100 included in an electronic device according to a first preferred embodiment of the present invention.

3, the metal case 100 included in the electronic device according to the first preferred embodiment of the present invention includes a body portion BD and at least one antenna portion ANT.

The body portion BD is preferably made of a conductive metal. The antenna unit ANT is connected to the body part BD and extends from the body part BD to be used as an antenna radiation pattern for transmitting and receiving signals. It is preferable that the antenna part ANT is connected to the edge part of the body part BD. The interspace S for separating the antenna portion ANT from the body portion BD may be an empty space or filled with a nonconductive material. For example, the interspace S may be filled by the injection.

Each of the at least one slit SL is opened at one side and connected to the interspace S. In addition, each of the at least one slits SL preferably has a width of 0.5 mm or more and a length of 3 mm or more. The at least one slit SL may be formed before the bending section of the metal case. It is preferable that both sides of the antenna portion ANT are connected to the lower edge portions of the body portion BD formed with one slit SL.

Specifically, the metal case 100 is further formed with at least another slit SL which is symmetrical with respect to at least one slit SL.

In addition, at least a part of at least one antenna unit ANT needs to be connected to the power feed unit FD. Preferably, the feed part FD is connected to a point shifted to one side of the antenna part ANT, thereby feeding power.

4 is an exploded top view of a metal case 200 included in an electronic device according to a second preferred embodiment of the present invention.

As can be seen from FIG. 4, the metal case 200 included in the electronic device according to the second preferred embodiment of the present invention includes a body portion BD and at least one antenna portion ANT.

The body portion BD is preferably made of a conductive metal. The antenna unit ANT is connected to the body part BD and extends from the body part BD to be used as an antenna radiation pattern for transmitting and receiving signals. It is preferable that the antenna part ANT is connected to the edge part of the body part BD. The interspace S for separating the antenna portion ANT from the body portion BD may be an empty space or filled with a nonconductive material. For example, the interspace S may be filled by the injection.

Each of the at least one slit SL is opened at one side and connected to the interspace S. In addition, each of the at least one slits SL preferably has a width of 0.5 mm or more and a length of 3 mm or more. The at least one slit SL can be formed before the bending process of the metal case. It is preferable that both sides of the antenna portion ANT are connected to the lower edge portions of the body portion BD formed with one slit SL.

Specifically, the metal case 200 is further formed with at least one slit SL that is symmetric with respect to at least one slit SL.

The metal case 200 included in the electronic device according to the second preferred embodiment of the present invention uses one antenna unit ANT in two and reduces the mutual influence of each of the power feed units FD (PR) that protrudes from the body portion (BD) and contacts the at least one portion of the at least one antenna portion (ANT) across the region (S) between the body portion (BD) and the antenna portion do. The width of the projecting portion PR is preferably 1 mm or more.

In addition, at least a part of at least one antenna unit ANT needs to be connected to the power feed unit FD.

Since the body part BD serves as a GND terminal, by connecting the antenna part ANT with the protruding part PR, the antenna part ANT is connected to the first antenna ANT1 and the second antenna ANT, (ANT2) to reduce the influence of the mutual feeding part (FD). The protruding portion PR is formed to be offset from one side of the region S between the body portion BD and the antenna portion ANT so that the first antenna ANT1 and the second antenna ANT2 are not symmetrical . The first antenna ANT1 and the second antenna ANT2 are connected to the feed part FD and the feed parts FD for the first antenna ANT1 and the second antenna ANT2 are connected to the antenna part It is preferable that power feeding is performed by being connected to points biased to both sides of the ANT.

5 is an exploded plan view of a metal case 300 included in an electronic device according to a third preferred embodiment of the present invention.

As can be seen from FIG. 5, the metal case 300 included in the electronic device according to the third preferred embodiment of the present invention includes a body portion BD and at least one antenna portion ANT.

The body portion BD is preferably made of a conductive metal. The antenna unit ANT is connected to the body part BD and extends from the body part BD to be used as an antenna radiation pattern for transmitting and receiving signals. It is preferable that the antenna part ANT is connected to the edge part of the body part BD. The interspace S for separating the antenna portion ANT from the body portion BD may be an empty space or filled with a nonconductive material. For example, the interspace S may be filled by the injection.

Each of the at least one slit SL is opened at one side and connected to the interspace S. In addition, each of the at least one slits SL preferably has a width of 0.5 mm or more and a length of 3 mm or more. The at least one slit SL can be formed before the bending process of the metal case. It is preferable that both sides of the antenna portion ANT are connected to the lower edge portions of the body portion BD formed with one slit SL.

Specifically, the metal case 300 is further formed with at least one slit SL which is symmetric with respect to at least one slit SL.

The metal case 300 included in the electronic device according to the third preferred embodiment of the present invention is characterized in that at least a part of at least one antenna unit ANT is connected to one end of the capacitor C. 5, the other end of the capacitor C is connected to the body portion BD, but may be connected to the power feeding portion FD. Connecting the other end of the capacitor C to the body portion BD means that the other end of the capacitor C is grounded. When the other end of the capacitor C is connected to the body portion BD, the distance between the feed portion FD and the capacitor C is preferably 1 mm or more.

In addition, when the other end of the capacitor C is connected to the body portion BD, the capacitor C is preferably located at a biased position on the opposite side of one side to which the feed portion FD of the antenna portion ANT is connected .

6A and 6B show explanatory diagrams when the other end of the capacitor C is connected to the feed part FD and the body part BD, respectively.

As shown in FIG. 6A, when the other end of the capacitor C is connected to the feed part FD, at least a part of the at least one antenna part ANT and the feed part FD may be indirectly connected rather than directly connected.

6B, when the other end of the capacitor C is connected to the body portion BD, the other end of the capacitor C is grounded.

As shown in FIGS. 6A and 6B, by connecting a capacitor C to at least a part of at least one antenna unit ANT, the frequency of the capacitor C can be adjusted by adjusting the value of the capacitor C. The value of the capacitor (C) is preferably 0.1 pF or more.

5 illustrates a case where one capacitor C is connected to at least a part of at least one antenna unit ANT, it is also possible that a plurality of capacitors C are connected to at least a part of at least one antenna unit ANT have.

For example, assuming two capacitors C, at least a part of at least one antenna unit ANT is connected to one end of the first capacitor and one end of the second capacitor, respectively, And the other end of the second capacitor is connected to the power feed unit FD.

7 is an exploded top view of a metal case 400 included in an electronic device according to a fourth preferred embodiment of the present invention.

7, the metal case 400 included in the electronic device according to the fourth preferred embodiment of the present invention includes a body portion BD and at least one antenna portion ANT, It can be said that the combination of the embodiment and the third embodiment.

The body portion BD is preferably made of a conductive metal. The antenna unit ANT is connected to the body part BD and extends from the body part BD to be used as an antenna radiation pattern for transmitting and receiving signals. It is preferable that the antenna part ANT is connected to the edge part of the body part BD. The interspace S for separating the antenna portion ANT from the body portion BD may be an empty space or filled with a nonconductive material. For example, the interspace S may be filled by the injection.

Each of the at least one slit SL is opened at one side and connected to the interspace S. In addition, each of the at least one slits SL preferably has a width of 0.5 mm or more and a length of 3 mm or more. The at least one slit SL can be formed before the bending process of the metal case. It is preferable that both sides of the antenna portion ANT are connected to the lower edge portions of the body portion BD formed with one slit SL.

Specifically, the metal case 400 is further formed with at least another slit SL that is symmetrical with respect to at least one slit SL.

The metal case 400 included in the electronic device according to the fourth preferred embodiment of the present invention may be used by separating the antenna unit ANT into two, And a protrusion PR protruding from the portion BD and contacting the at least one portion of the at least one antenna portion ANT across the region S between the body portion BD and the antenna portion ANT. The width of the projecting portion PR is preferably 1 mm or more.

In addition, at least a part of at least one antenna unit ANT needs to be connected to the power feed unit FD.

Since the body part BD serves as a GND terminal, by connecting the antenna part ANT with the protruding part PR, the antenna part ANT is connected to the first antenna ANT1 and the second antenna ANT, (ANT2) to reduce the influence of the mutual feeding part (FD). The protruding portion PR is formed to be offset from one side of the region S between the body portion BD and the antenna portion ANT so that the first antenna ANT1 and the second antenna ANT2 are not symmetrical . The first antenna ANT1 and the second antenna ANT2 are connected to the feed part FD and the feed parts FD for the first antenna ANT1 and the second antenna ANT2 are connected to the antenna part It is preferable that power feeding is performed by being connected to points biased to both sides of the ANT.

In the metal case 400 included in the electronic device according to the fourth preferred embodiment of the present invention, at least a part of at least one antenna unit ANT is connected to one end of the capacitor C. The other end of the capacitor C may be connected to the body portion BD or the power feed portion FD. The fact that the other end of the capacitor C is connected to the body portion BD means that the other end of the capacitor C is grounded. When the other end of the capacitor C is connected to the body portion BD, the distance between the feed portion FD and the capacitor C is preferably 1 mm or more. In addition, when the other end of the capacitor C is connected to the body portion BD, the capacitor C is preferably located at a biased position on the opposite side of one side to which the feed portion FD of the antenna portion ANT is connected .

In addition, when the other end of the capacitor C is connected to the feed part FD, at least a part of the at least one antenna part ANT and the feed part FD are indirectly connected rather than directly connected.

By connecting a capacitor C to at least a part of at least one antenna unit ANT, the frequency can be adjusted by adjusting the value of the capacitor C. The value of the capacitor (C) is preferably 0.1 pF or more.

In the metal case 400 included in the electronic device according to the fourth preferred embodiment of the present invention, a plurality of capacitors C may be connected to at least a part of at least one antenna unit ANT, respectively.

For example, assuming two capacitors C, at least a part of at least one antenna unit ANT is connected to one end of the first capacitor and one end of the second capacitor, respectively, And the other end of the second capacitor is connected to the power feed unit FD.

In the metal case 400 included in the electronic device according to the fourth preferred embodiment of the present invention, the antenna part ANT connected to the protrusion PR and the capacitor C connected to the antenna part ANT, (ANT).

In the metal case 100, 200, 300, 400 included in the electronic device according to the first to fourth embodiments of the present invention, a part of the antenna ANT is connected to the outside of the antenna ANT It is necessary to adjust the resonance frequency in connection with the antenna pattern AP that can be used as the antenna radiator formed. That is, a part of the antenna ANT is connected to the antenna pattern AP of the built-in antenna EA formed outside the antenna ANT, or the antenna CA acts as a radiation antenna Can be associated with the pattern. In this way, actual signal transmission / reception is performed by connecting the antenna unit ANT and the external antenna pattern AP.

The built-in antenna EA generally includes a carrier CA on which an antenna pattern AP of a radiator-shaped metal plate and an antenna pattern AP are mounted.

8A and 8B are a perspective view and a cross-sectional view, respectively, of a first embodiment for connection of a part of the antenna part ANT and an antenna pattern AP formed outside the antenna part ANT.

As can be seen from FIGS. 8A and 8B, the antenna pattern AP of the built-in antenna EA can be extended to connect to at least a part of at least one antenna unit ANT. At this time, it is preferable that the antenna pattern AP of the built-in antenna EA is resilient as a metal plate and has a restoring force when contacting with at least a part of at least one antenna part ANT and then releasing the contact.

9A and 9B are a plan view and a sectional view, respectively, of a second embodiment for connection of a part of the antenna part ANT and an antenna pattern AP formed outside the antenna part ANT, respectively.

9A and 9B, the metal case 100, 200, 300, 400 has a screw mounting portion SC1 connected to at least a part of at least one antenna portion ANT, A screw SC2 can be inserted into the antenna portion AN1 and the antenna pattern ANT formed on the outside of the antenna portion ANT by the screw SC2 and at least a part of at least one antenna portion ANT can be connected.

9A and 9B illustrate the connection with the built-in antenna EA. 9A and 9B, it can be seen that the screw SC2 is in contact with the antenna pattern AP of the built-in antenna EA.

10A and 10B are a structural view and a connection sectional view of a third embodiment for connection of a part of the antenna part ANT and an antenna pattern AP formed outside the antenna part ANT, respectively.

10A and 10B, the metal case 100, 200, 300, 400 includes a C-clip mounting portion CC1 protruding from at least a portion of at least one antenna portion ANT do. The C-clip mounting portion CC1 is provided at a right angle to the antenna portion ANT on at least a part of the inner surface of at least one antenna portion ANT.

 The C-clip CC2 is mounted on the C-clip mounting portion CC1 and can be connected to the antenna pattern AP formed on the outside of the antenna portion ANT by the C-clip CC2. The C-clip (CC2) refers to a spring-loaded part-locking device that fits into the groove at the end of the shaft to secure the parts fitted to the shaft. 10A and 10B illustrate the connection with the built-in antenna EA. 10A and 10B, it can be seen that the C-clip CC2 is in contact with the antenna pattern AP of the built-in antenna EA.

As described above, according to the electronic device 100, 200, 300, 400 of the present invention, the signal can be separated without separating the antenna radiator part ANT of the metal case 100, 200, 300, It can be seen that a part of the metal case 100, 200, 300, 400 can be used as an antenna radiation pattern.

100, 200, 300, 400: metal case
BD: Body part ANT: Antenna part
SL: slit PR: protrusion
ANT1: first antenna ANT2: second antenna
FD: feed part C: capacitor
SC1: Screw mounting SC2: Screw
CC1: C-clip mounting part CC2: C-clip
EA: Built-in antenna AP: Antenna pattern
CA: Carrier

Claims (12)

A conductive body portion;
At least one antenna unit connected to at least a part of the body part, the area between the body part being an empty space or filled with a nonconductive material, and being used as an antenna radiator; And
And protrusions protruding from the body portion and extending in contact with at least a part of the at least one antenna portion across the region between the body portion and the antenna portion,
At least one slit is formed in at least a part of the region between the body and the antenna,
At least one other slit forming a line symmetry or a point symmetry with each of the at least one slit is further formed,
Wherein the at least one slit and the at least one other slit are connected to an area between the body part and the antenna part,
The protruding portion is biased to one side of a region between the body portion and the antenna portion,
The antenna unit being separated from each other by the projection,
Wherein at least a part of the at least one antenna unit is connected to an antenna pattern of an internal antenna formed outside the at least one antenna unit,
Wherein the built-in antenna includes a carrier on which the antenna pattern and the antenna pattern of a radiating metal plate are mounted. delete The method according to claim 1,
The electronic device includes:
Wherein an electric power is supplied to a point offset to one side of the antenna unit. delete delete delete The method according to claim 1,
At least a part of the at least one antenna portion is connected to one end of a capacitor,
And the other end of the capacitor is connected to the body portion or the feeding portion to which power is supplied. 8. The method of claim 7,
When the other end of the capacitor is connected to the body,
Wherein the power feeding part is connected to a point offset to one side of the antenna part, and the capacitor is located at a biased position opposite to the one side of the antenna part connected to the power feeding part. The method according to claim 1,
Wherein at least a portion of the at least one antenna portion
One end of the first capacitor and one end of the second capacitor,
The other end of the first capacitor is connected to the body portion,
And the other end of the second capacitor is connected to a feeding part where power is supplied. delete The method according to claim 1,
Wherein the body portion and the antenna portion comprise:
Wherein the electronic device is fabricated in an integrated manner. The method according to claim 1,
Wherein the body portion and the antenna portion comprise:
And after being separately manufactured, connected.
KR1020150164619A 2015-11-24 2015-11-24 Electronic apparatus including metal case KR101720217B1 (en)

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
WO2019160190A1 (en) * 2018-02-14 2019-08-22 엘지전자 주식회사 Mobile terminal including metal case and method for manufacturing metal case
KR102127129B1 (en) 2019-08-26 2020-06-26 재단법인 구미전자정보기술원 A high directivity microstrip patch antenna device

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KR20130022208A (en) * 2011-08-25 2013-03-06 삼성전자주식회사 Antenna apparatus
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KR20110081094A (en) * 2010-01-07 2011-07-13 리서치 인 모션 리미티드 Dual-feed dual band antenna assembly and associated method
KR20130022208A (en) * 2011-08-25 2013-03-06 삼성전자주식회사 Antenna apparatus
KR20140069733A (en) * 2012-11-29 2014-06-10 엘지이노텍 주식회사 Antenna apparatus and feeding structure thereof
KR20150110783A (en) * 2013-03-18 2015-10-02 애플 인크. Tunable antenna with slot-based parasitic element

Cited By (2)

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WO2019160190A1 (en) * 2018-02-14 2019-08-22 엘지전자 주식회사 Mobile terminal including metal case and method for manufacturing metal case
KR102127129B1 (en) 2019-08-26 2020-06-26 재단법인 구미전자정보기술원 A high directivity microstrip patch antenna device

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