KR20030000905A - Mobile phone have internal type antenna - Google Patents

Mobile phone have internal type antenna Download PDF

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Publication number
KR20030000905A
KR20030000905A KR1020010037168A KR20010037168A KR20030000905A KR 20030000905 A KR20030000905 A KR 20030000905A KR 1020010037168 A KR1020010037168 A KR 1020010037168A KR 20010037168 A KR20010037168 A KR 20010037168A KR 20030000905 A KR20030000905 A KR 20030000905A
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KR
South Korea
Prior art keywords
antenna
folder
ground
built
portable terminal
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KR1020010037168A
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Korean (ko)
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KR100386294B1 (en
Inventor
남수현
Original Assignee
엘지전자 주식회사
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Priority to KR10-2001-0037168A priority Critical patent/KR100386294B1/en
Publication of KR20030000905A publication Critical patent/KR20030000905A/en
Application granted granted Critical
Publication of KR100386294B1 publication Critical patent/KR100386294B1/en

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Classifications

    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0277—Details of the structure or mounting of specific components for a printed circuit board assembly

Abstract

PURPOSE: A portable terminal having a built-in antenna is provided to form a ground film on an internal side of an upper case of a terminal folder to make a feeder of the antenna contacted. CONSTITUTION: A folder(103) is coupled to be opened and shut to an upper part of a body(101), in which a plurality of keypads are formed, through a hinge(102). A body PCB(Printed Circuit Board)(105) is inserted inside upper and lower cases(104,104') of the body(101). A battery(106) on the back of the body(101) is removable. The folder(103) has upper and lower cases(107,107') and an LCD(Liquid Crystal Display)(108) coupled to the upper case(107). A built-in antenna(111) of which a conductive part(110) is coupled to an upper surface of a support(109) is installed on a lower part inside the upper and lower cases(107,107'). A ground film(112) is formed in an internal side(107a) of the upper case(107) with Cu coated. The ground film(112) is connected with a ground line of a coaxial cable(113) of which one end is connected to the body PCB(105). A signal line of the coaxial cable(113) is linked to a connection line connected to the conductive part(110) of the antenna(111). And a folder PCB(114) for ground formed on an upper part of the antenna(111) is to widen a ground area.

Description

내장형 안테나가 구비되는 휴대용 단말기{MOBILE PHONE HAVE INTERNAL TYPE ANTENNA}Portable terminal with built-in antenna {MOBILE PHONE HAVE INTERNAL TYPE ANTENNA}

본 발명은 내장형 안테나가 구비되는 휴대용 단말기에 관한 것으로, 특히 내장형 안테나의 접지부가 폴더의 상부케이스 내측면에 형성되도록 하고, 그 접지부에서 소정 높이차를 두고 안테나의 도체부가 수평으로 형성되도록 하여 단말기의 두께가 경박화되도록 하는데 적합한 내장형 안테나가 구비되는 휴대용 단말기에 관한 것이다.The present invention relates to a portable terminal having a built-in antenna, and in particular, the ground portion of the built-in antenna is formed on the inner side of the upper case of the folder, the conductor portion of the antenna is formed horizontally with a predetermined height difference from the ground portion The present invention relates to a portable terminal having a built-in antenna suitable for making the thickness of the thin film thinner.

일반적으로 셀룰라 폰(CELLULAR PHONE)이나 피시에스 폰(PCS PHONE)과 같은 휴대용 전화기에 사용되는 안테나는 휩 안테나(WHIP ANTENNA)나 헬리컬 안테나(HELICAL ANTENNA)의 형태가 주로 사용된다. 그리고 이러한 안테나의 길이는 동작주파수의 λ/4 또는 3λ/4 정도로 설계되는 것이 일반적이다. 현재 상용서비스가 되고 있는 셀룰라 시스템이나 피시에스 시스템의 경우 λ/4의 길이는 약 90mm, 40mm 정도인데, 만약 이 길이의 안테나가 항상 외부에 돌출되어 있다면 다소 휴대에 불편함을 초래할 것이다.In general, antennas used in portable phones such as CELLULAR PHONE or PCS PHONE are mainly used in the form of a whip antenna or a helical antenna. In addition, the length of such an antenna is generally designed to be about λ / 4 or 3λ / 4 of the operating frequency. In the case of a cellular system or a PC system that is currently commercially available, the length of λ / 4 is about 90 mm and 40 mm. If the antenna of this length is always protruded to the outside, it may cause some inconvenience.

상기와 같은 문제점 때문에 안테나의 실장높이를 낮추기 위해 헬리컬 안테나가 사용될 수 있다. 이경우 휴대상의 불편함은 없어지겠지면 헬리컬 안테나의 경우에 휩 안테나에 비해 물리적인 길이가 짧기 때문에 효율이 좋지 못한 단점이 있고, 헬리컬 안테나도 코일형태의 안테나선이 내설된 안테나가 본체의 일정부분에 돌출되는 형태이어서 안테나의 돌출에 의한 문제를 완전하게 해소하였다고는 볼 수 없는 것이었다.Due to the above problems, a helical antenna may be used to lower the mounting height of the antenna. In this case, if the discomfort in the portable device is eliminated, the helical antenna has a shortcoming in efficiency because the physical length is shorter than that of the whip antenna, and the helical antenna has a coil-shaped antenna line in a certain portion of the main body. Since it was a protruding form, the problem caused by the protruding antenna could not be completely solved.

상기와 같은 문제점들은 최근에 활발하게 연구되고 있는 3G 휴대용 단말기에서도 마찬가지이므로 그러한 문제점을 해결할 수 있는 안테나로서 일명 PIFA 안테나라고 불리우는 내장형 안테나의 적용에 대한 연구가 많은 연구자들에 의하여 활발하게 진행되고 있다.As the above problems are the same in 3G portable terminals which are being actively studied in recent years, many researchers have been actively researching the application of a built-in antenna called an PIFA antenna as an antenna that can solve such problems.

도 1은 종래 내장형 안테나가 휴대용 단말기의 피시비에 설치되는 상태를 보인 것으로, 도시된 바와 같이, 피시비(1)의 상단부에 안테나(2)가 후크식으로 착탈가능하게 결합되어 있다.1 illustrates a state where a conventional built-in antenna is installed in a PCB of a portable terminal. As illustrated, the antenna 2 is detachably coupled to a top end of the PCB 1 by a hook type.

그리고, 상기 안테나(2)는 피시비(1)에 형성된 결합홈(1a)에 결합될수 있도록 수개의 결합용 다리(3a)가 형성되어 있는 지지체(3)와, 그 지지체(3)의 상면에 금속 판체상으로 형성되는 도체부(4)로 구성되며, 그 도체부(4)에 연결되도록 연결선(5)들이 지지체(3)에 형성된 피더부(6)를 통하여 피시비(1)의 컨택터(1b)들에 전기적으로 접속될 수 있도록 되어 있다.The antenna 2 includes a support 3 having a plurality of coupling legs 3a formed thereon to be coupled to a coupling groove 1a formed in the PCB 1, and a metal on the upper surface of the support 3. A contact portion 1b of the PCB 1 through a feeder portion 6 formed on the support 3 so that the connecting lines 5 are connected to the conductor portion 4 and formed on a plate body. Are electrically connected to each other.

그러나, 상기와 같은 내장형 안테나(2)가 휴대용 단말기에 장착되는 경우에 수직성분(VERTICAL ELEMENT)때문에 그라운드가 있는 피시비(1)에서 안테나(2)의 도체부(4) 사이가 반드시 일정높이를 가져야 하기 때문에 단말기를 경박화하는데 한계가 있는 문제점이 있었다.However, when the built-in antenna 2 as described above is mounted on the portable terminal, the ground between the conductor part 4 of the antenna 2 and the conductor part 4 of the antenna 2 must have a certain height due to the vertical component. Therefore, there was a problem that there is a limit to thinning the terminal.

상기와 같은 문제점을 감안하여 안출한 본 발명의 목적은 단말기 폴더의 상부 케이스 내측면에 그라운드 막을 형성하여 안테나의 피더부가 접촉되도록 하여안테나가 설치되는 부분의 폴더 두께를 최소화 하는데 따른 단말기의 경박화를 실현하도록 하는데 적합한 내장형 안테나가 구비되는 휴대용 단말기를 제공함에 있다.The object of the present invention devised in view of the above problems is to form a ground film on the inner surface of the upper case of the terminal folder so that the feeder part of the antenna is in contact, thereby minimizing the thickness of the terminal in which the antenna is installed. It is to provide a portable terminal having a built-in antenna suitable for realizing.

도 1은 종래 휴대용 단말기의 피시비에 내장형 안테나가 설치된 상태를 보인 사시도.1 is a perspective view showing a state in which a built-in antenna is installed in the PCB of the conventional portable terminal.

도 2는 본 발명 내장형 안테나가 구비되는 휴대용 단말기를 보인 단면도.Figure 2 is a cross-sectional view showing a portable terminal having a built-in antenna of the present invention.

** 도면의 주요 부분에 대한 부호의 설명 **** Description of symbols for the main parts of the drawing **

101 : 본체 102 : 힌지101: main body 102: hinge

103 : 폴더 107 : 상부 케이스103: folder 107: upper case

108 : 액정 110 : 도체부108: liquid crystal 110: conductor portion

111 : 내장형 안테나 112 : 그라운드 막111: built-in antenna 112: ground film

113 : 동축 케이블 114 : 폴더측 그라운드용 피시비113: coaxial cable 114: PCB for folder side ground

상기와 같은 본 발명의 목적을 달성하기 위하여 본체의 상단부에 힌지에 의하여 폴더가 개폐가능하게 결합되어 있고, 그 폴더의 내측면에 각종 정보가 디스플레이되도록 액정이 결합되어 있는 휴대용 단말기에 있어서, 상기 폴더의 내측 하부에 내장형 안테나를 설치하고, 상기 폴더의 상부 케이스 내측면에 그라운드 막을 형성하며, 본체부에서 인입되는 동축 케이블의 그라운드 선이 상기 그라운드 막에 접속됨과 아울러 신호선이 안테나의 도체부에 연결된 연결선에 접속되도록 한 것을 특징으로 하는 내장형 안테나가 구비되는 휴대용 단말기가 제공된다.In order to achieve the object of the present invention as described above, the folder is coupled to the opening and closing by a hinge on the upper end of the main body, the liquid crystal is coupled to the portable terminal to display a variety of information on the inner surface of the folder, the folder A built-in antenna is installed at an inner lower portion of the inner layer, a ground film is formed on an inner surface of the upper case of the folder, and a ground line of a coaxial cable drawn from the main body is connected to the ground film, and a signal line is connected to the conductor of the antenna. Provided is a portable terminal having a built-in antenna, characterized in that connected to.

이하, 상기와 같이 구성되는 본 발명 내장형 안테나가 구비되는 휴대용 단말기를 첨부된 도면의 실시예를 참고하여 보다 상세히 설명하면 다음과 같다.Hereinafter, with reference to an embodiment of the accompanying drawings, a portable terminal having a built-in antenna of the present invention configured as described above will be described in more detail.

도 2는 본 발명 내장형 안테나가 구비되는 휴대용 단말기를 보인 단면도로서, 도시된 바와 같이, 상면에 정보를 입력하기 위한 다수개의 키패드들이 형성되는 본체(101)의 상측에 힌지(102)결합으로 폴더(103)가 개,폐가능하게 결합되어 있다.Figure 2 is a cross-sectional view showing a portable terminal with a built-in antenna of the present invention, as shown, a hinge (102) in combination with the hinge 102 on the upper side of the main body 101 is formed a plurality of keypads for inputting information on the upper surface ( 103 is opened and closed.

그리고, 상기 본체(101)를 이루는 상,하부 케이스(104)(104')의 내부에 각종 부품들이 설치되어 있는 본체측 피시비(105)가 내설되어 있고, 후면에는 충방전이 이루어지는 밧데리(106)가 착,탈가능하게 결합되어 있다.In addition, a main body side PCB 105 in which various parts are installed in the upper and lower cases 104 and 104 ′ forming the main body 101 is installed, and the battery 106 is charged and discharged on the rear surface thereof. It is detachably attached.

또한, 상기 폴더(103)는 상,하부 케이스(107)(107')와 그 상부 케이스(107)에 결합되는 액정(108)으로 이루어지며, 상기 상,하부 케이스(107)(107')의 내부 하측에는 지지체(109)의 상면에 도체부(110)가 결합된 내장형 안테나(111)가 설치되어 있다.In addition, the folder 103 is composed of upper and lower cases 107 and 107 'and a liquid crystal 108 coupled to the upper case 107, and the upper and lower cases 107 and 107'. Inside the lower side is provided with a built-in antenna 111 coupled to the conductor portion 110 on the upper surface of the support 109.

그리고, 상기 폴더(103)의 상부 케이스(107) 내측면(107a)에는 동(Cu)도금을 하여 그라운드 막(112)이 형성되어 있고, 그 그라운드 막(112)에는 본체측 피시비(105)에 일단이 연결되는 동축 케이블(113)의 그라운드 선이 접속되어 있으며, 상기 안테나(111)의 도체부(110)에 연결된 연결선에는 동축 케이블(113)의 신호선이 접속되어 있다.The ground film 112 is formed on the inner side surface 107a of the upper case 107 of the folder 103 by copper plating, and the ground film 112 is formed on the main body side PCB 105. The ground line of the coaxial cable 113 to which one end is connected is connected, and the signal line of the coaxial cable 113 is connected to the connection line connected to the conductor part 110 of the antenna 111.

또한, 상기 폴더(103)의 상,하부 케이스(107)(107') 내부에 설치된 내장형 안테나(111)의 상측에는 그라운드 면을 넓게 형성하기 위하여 폴더측 그라운드용 피시비(114)가 결합되어 있다.In addition, the upper side of the built-in antenna 111 installed in the upper and lower cases 107 and 107 ′ of the folder 103 is coupled to the folder side ground 114 to form a wide ground plane.

상기와 같이 구성되는 본 발명 내장형 안테나가 구비되는 휴대용 단말기는 폴더(103)의 상부 케이스(107) 내측면에 동(Cu)을 일정두께로 코팅한 그라운드 동막(112)을 형성하고, 그 그라운드 동막(112)에 접속되도록 내장형 안테나(111)를 결합하여, 안테나(111)가 설치되는 전체 높이가 폴더(103)의 상,하부 케이스(107)(107')의 내측 간격과 동일하여 종래와 같이 피시비에 안테나가 설치되는 경우보다 안테나가 설치되는 전체높이를 상당히 감소시킬 수 있다.The portable terminal having the present invention built-in antenna configured as described above forms a ground copper film 112 coated with copper at a predetermined thickness on the inner surface of the upper case 107 of the folder 103, and the ground copper film. Combining the built-in antenna 111 so as to be connected to the 112, the overall height where the antenna 111 is installed is equal to the inner space of the upper and lower cases 107, 107 'of the folder 103, as in the prior art The overall height in which the antenna is installed can be significantly reduced compared to the case in which the antenna is installed in the PCB.

또한, 상기 폴더(103)의 상,하부 케이스(107)(107')의 내부에 그라운드 면이 넓게 형성되는 폴더측 그라운드용 피시비(114)가 설치되므로, 충분한 그라운드가이루어지게 된다.In addition, since the folder-side ground PCB 114 having a wide ground surface is provided inside the upper and lower cases 107 and 107 'of the folder 103, sufficient ground is achieved.

이상에서 상세히 설명한 바와 같이, 본 발명 내장형 안테나가 구비되는 휴대용 단말기는 폴더의 내측 하부에 내장형 안테나를 설치하고, 상기 폴더의 상부 케이스 내측면에 그라운드 동막을 형성하며, 본체부에서 인입되는 동축 케이블의 그라운드 선이 상기 그라운드 막에 접속됨과 아울러 신호선이 안테나의 연결선에 접속되도록 함으로써, 안테나의 전체높이가 폴더의 상,하부 케이스 내측간격이 되게 되어 안테나가 내장됨에도 불구하고 단말기의 두께를 최소화할 수 있다.As described in detail above, the portable terminal provided with a built-in antenna of the present invention is provided with a built-in antenna on the inner bottom of the folder, a ground copper film is formed on the inner side of the upper case of the folder, and the coaxial cable drawn from the main body part. By connecting the ground line to the ground film and the signal line to the antenna connection line, the overall height of the antenna becomes the inner space of the upper and lower cases of the folder so that the thickness of the terminal can be minimized despite the built-in antenna. .

Claims (3)

본체의 상단부에 힌지에 의하여 폴더가 개폐가능하게 결합되어 있고, 그 폴더의 내측면에 각종 정보가 디스플레이되도록 액정이 결합되어 있는 휴대용 단말기에 있어서, 상기 폴더의 내측 하부에 내장형 안테나를 설치하고, 상기 폴더의 상부 케이스 내측면에 그라운드 막을 형성하며, 본체에서 인입되는 동축 케이블의 그라운드 선이 상기 그라운드 막에 접속됨과 아울러 신호선이 안테나의 도체부에 연결된 연결선에 접속되도록 한 것을 특징으로 하는 내장형 안테나가 구비되는 휴대용 단말기.A portable terminal in which a folder is coupled to the upper end of the main body by a hinge so as to be opened and closed, and a liquid crystal is coupled to display various information on the inner side of the folder. A ground film is formed on the inner side of the upper case of the folder, and the built-in antenna is provided such that the ground line of the coaxial cable drawn from the main body is connected to the ground film and the signal line is connected to the connection line connected to the conductor portion of the antenna. Portable terminal. 제 1항에 있어서, 상기 그라운드 막은 동(Cu)을 일정두께로 코팅한 동막인 것을 특징으로 하는 내장형 안테나가 구비되는 휴대용 단말기.The portable terminal of claim 1, wherein the ground film is a copper film coated with a predetermined thickness of copper (Cu). 제 1항에 있어서, 상기 폴더의 상부 케이스와 하부 케이스 내부에 설치된 내장형 안테나의 상측에는 그라운드 면을 넓게 형성하기 위하여 폴더측 그라운드용 피시비가 더 구비되는 것을 특징으로 하는 내장형 안테나가 구비되는 휴대용 단말기.The portable terminal of claim 1, further comprising a folder-side ground PCB on the upper side of the built-in antenna installed inside the upper case and the lower case of the folder to form a wider ground surface.
KR10-2001-0037168A 2001-06-27 2001-06-27 Mobile phone have internal type antenna KR100386294B1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100610208B1 (en) * 2003-12-12 2006-08-09 김윤성 interior antena of insert molding type
KR100619956B1 (en) * 2004-11-10 2006-09-07 엘지전자 주식회사 Mobile terminal having connection apparatus for connecting between printed circuit board
KR100969747B1 (en) * 2003-01-06 2010-07-13 삼성전자주식회사 Portable wireless terminal with ground connecting device using hinge device
KR101146042B1 (en) * 2006-05-22 2012-05-14 엘지전자 주식회사 Mobile communication terminal having rotary type menu facility and the menu controlling method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100969747B1 (en) * 2003-01-06 2010-07-13 삼성전자주식회사 Portable wireless terminal with ground connecting device using hinge device
KR100610208B1 (en) * 2003-12-12 2006-08-09 김윤성 interior antena of insert molding type
KR100619956B1 (en) * 2004-11-10 2006-09-07 엘지전자 주식회사 Mobile terminal having connection apparatus for connecting between printed circuit board
KR101146042B1 (en) * 2006-05-22 2012-05-14 엘지전자 주식회사 Mobile communication terminal having rotary type menu facility and the menu controlling method

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