WO2008001898A1 - Dispositif d'antenne et dispositif terminal portable - Google Patents
Dispositif d'antenne et dispositif terminal portable Download PDFInfo
- Publication number
- WO2008001898A1 WO2008001898A1 PCT/JP2007/063140 JP2007063140W WO2008001898A1 WO 2008001898 A1 WO2008001898 A1 WO 2008001898A1 JP 2007063140 W JP2007063140 W JP 2007063140W WO 2008001898 A1 WO2008001898 A1 WO 2008001898A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- antenna
- circuit board
- conductor
- conductor element
- supported
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
- H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
- H01Q11/08—Helical antennas
-
- 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
-
- 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
- H01Q1/362—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith for broadside radiating helical 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
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
Definitions
- Antenna device and portable terminal device are antenna device and portable terminal device
- the present invention relates to an antenna device and a mobile terminal device suitable for use in a built-in antenna of a mobile terminal such as a mobile phone.
- a monopole antenna as a whip antenna an inverted F-type antenna as a built-in antenna, a chip antenna using ceramics, etc. are widely used.
- a technology that realizes a slot antenna using a substrate and a bent sheet metal to achieve a small size and a thin shape while maintaining high transmission / reception performance for example, see Patent Document 1
- a peripheral portion of the substrate for example, there is known a technique (for example, see Patent Document 2) that uses a through hole and a conductor pattern to form a helical pattern and maximize the output.
- Patent Document 1 Japanese Patent Laid-Open No. 7-193416
- Patent Document 2 Japanese Patent Laid-Open No. 9-71189
- V could not confirm the continuity between the antenna and the board.
- Patent Document 1 it is not possible to immediately know how far the frequency can be dealt with, because the antenna is provided with a dielectric to make the wavelength look longer. In addition, it is difficult to design when the set shape and installation space are different.
- the present invention provides an antenna device and a portable terminal device capable of minimizing a loss due to a dielectric by bringing only a part of an antenna conductor into contact with a substrate and reducing the size and weight. is there.
- An antenna device includes a circuit board on which a high-frequency transmission / reception circuit is mounted, and a length corresponding to a necessary wavelength of a used frequency, a part of which is supported across the end of the circuit board. And an antenna conductor formed by a conductive element having a folded shape having a thickness.
- the conductor element supported on the circuit board includes a meander shape.
- the antenna conductor is supported on the circuit board by a panel contact formed by bending a meander-shaped meandering portion of the conductor element.
- the antenna conductor is a monopole antenna in which the conductor element is disposed on the circuit board and power is supplied to an end portion of the conductor element.
- the antenna conductor is a dipole antenna in which the plate-like conductor element is disposed on the circuit board and power is supplied to the vicinity of the center of the conductor element.
- the circuit board is provided with a power feeding portion for feeding the power by contacting the panel contact where the conductor element is supported and formed across the end of the circuit board.
- the conductor element is formed with a wedge portion
- the circuit board is formed with a conduction hole into which the wedge portion can be inserted
- the conductor element has the wedge portion as the circuit board. It is inserted into the conduction hole formed in and fixed.
- a mobile terminal device includes a circuit board on which a high-frequency circuit component is mounted, and an antenna device, and the antenna device extends across an end of the circuit board. And an antenna conductor formed of a conductor element having a folded shape having a length corresponding to a required wavelength of the used frequency, which is supported by the portion.
- an antenna device and a portable terminal device that minimizes loss due to a dielectric by bringing only a part of an antenna conductor into contact with a substrate, thereby reducing size and weight. it can.
- FIG. 1A to FIG. 1D are configuration diagrams of an antenna device according to a first embodiment of the present invention.
- FIG. 2A to FIG. 2D are configuration diagrams of an antenna device according to a second embodiment of the present invention.
- FIG. 3 is a diagram for explaining a method of fixing an antenna conductor to a circuit board 1 in the antenna device according to the embodiment of the present invention.
- FIG. 4A and FIG. 4B are diagrams for explaining the configuration of a portable terminal device on which an antenna device according to an embodiment of the present invention is mounted.
- FIG. 1A to FIG. 1D are configuration diagrams of an antenna device according to a first embodiment of the present invention.
- FIG. 2 shows a configuration example of a monopole antenna.
- FIG. 1A is a side view of the monopole antenna according to the first embodiment, and FIG. 1B is a front view thereof.
- FIG. 1C is a plan view thereof, and FIG. 1D is a perspective view thereof.
- This monopole antenna device ANT1 is provided on a circuit board 1 having a flat plate shape, for example.
- An antenna conductor 2 in which a plate-like or linear conductor is folded a predetermined number of times is arranged, and the antenna Power is supplied to the end of the conductor 2.
- the circuit board 1 is formed of a flat dielectric.
- a circuit component 3 including a high frequency transmission / reception circuit is mounted on the main surface la of the circuit board 1.
- the circuit board 1 is also formed with an antenna conductor 2 which is formed so as to be folded back and partially supported across the edge X of the circuit board 1.
- the antenna conductor 2 has a meander-shaped conductor pattern, and its meandering portion Y (folded portion) is bent inward in the thickness direction f of the antenna conductor 2, in other words, on the circuit board 1.
- one or more panel contacts 21 are formed by bending in the direction of the substrate surface at the time of attachment, and the panel contacts 21 support the circuit substrate 1.
- the transmission efficiency or the reception efficiency of the antenna device ANT1 is defined by the ratio between the wavelength of the radio wave used and the antenna length.
- the antenna conductor 2 indicated by symbols a to e in FIGS. 1A and 1B and the meandering number (turn number) of the meander-shaped antenna conductor 2, the antenna conductor 2 The shape can be changed, and the antenna conductor 2 having a wavelength that matches the frequency of use of the radio wave can be constructed.
- the power feeding section 11 in the circuit board 1 feeds power when the antenna conductor 2 is in contact with or coupled to a panel contact 21a that is supported and formed across the end of the circuit board 1.
- the power feeding part 11 is formed on the main surface la of the circuit board 1 on the edge X side and on one end side of the edge X! RU
- FIGS. 2A to 2D are configuration diagrams of the antenna device according to the second embodiment of the present invention, and show a configuration example of a dipole antenna.
- FIG. 2A is a side view of a dipole antenna according to the second embodiment
- FIG. 2B is a front view thereof
- FIG. 2C is a plan view thereof
- FIG. 2D is a perspective view thereof.
- the dipole antenna ANT2 according to the second embodiment is different from the monopole antenna ANT1 according to the first embodiment in that the power supply in the antenna conductor 2A is less than one power supply 11 and two power supply 12 , 13 is configured to be performed.
- the power feeding portions 12 and 13 are formed in the center portion of the end edge portion X of the main surface la of the circuit board 1 and on the end edge portion X side of the end edge portion X side of the bracket. .
- the antenna conductor 2A connects the two contact portions 21b and 21c of the antenna conductor 2A to the feeding portion 1
- Power is supplied by contacting or coupling to 2 and 13.
- antenna devices ANT1 and ANT2 According to the antenna devices ANT1 and ANT2 according to the above-described embodiments of the present invention, it is not necessary to attach the antenna conductor 2 to the housing by bringing only a part of the antenna conductors 2 and 2A into contact with the substrate. Yes, because it is completed with only circuit board 1, antenna conductor 2 and circuit board
- the antenna conductors 2 and 2A can be designed with a length corresponding to the required wavelength. Therefore, the design guideline is easy, and the distance from the circuit board 1 without changing the antenna length. It is possible to make maximum use of the vacant space by changing the location depending on the location and to secure the maximum gain of radiated power.
- the linear antenna conductor is formed to form a monopole or a duo. The same effect can be obtained even if it is used as a bipolar antenna.
- FIG. 3 is a diagram quoted for explaining a method of fixing the antenna conductor 2 to the circuit board 1 in the antenna device according to the embodiment of the present invention.
- Figure 3 shows how to fix the monopole antenna.
- the end of the circuit board 1 is formed by one or more panel contacts 21 formed in the meandering portion Y of the meander-shaped antenna conductor 2. As described above, it is supported across the two.
- the wedge portion 22 formed at the end portion of the antenna conductor 2 is used as the wedge portion. It can be fixed by being inserted into the conduction hole 14 formed in the circuit board 1 so as to face the portion 22.
- the antenna conductors 2 and 2A are structurally stable by being fitted and fixed to the circuit board 1 in addition to being supported by the panel contacts 21. Can be provided.
- the force described only for the support by the panel contact 21 shown in FIGS. 1 and 2 and the fitting and fixing to the circuit board 1 shown in FIG. 3 is not limited to this. It is possible to adopt methods such as soldering and fixing the antenna conductor 2 and fixing using an epoxy resin.
- FIG. 4A and FIG. 4B are diagrams cited for explaining the configuration of the mobile terminal device on which the antenna device according to the embodiment of the present invention is mounted.
- the antenna device is used for a card terminal and a mobile phone terminal, respectively. It is the figure quoted in order to demonstrate the example of a structure when mounted.
- FIG. 4 the same components as those in FIGS. 1 and 2 are denoted by the same reference numerals for easy understanding.
- the wireless card 10 shown in FIG. 4A is a card similar to a card loaded in a power slot such as a personal computer (PC).
- PC personal computer
- the above-described meander-shaped antenna device (monopole antenna) is mounted on the end of the circuit board 1 mounted on the card case 15.
- the flip-type mobile phone terminal shown in FIG. 4B includes a first (upper side) housing 20 on which a circuit board 1 including an LCD (Liquid Crystal Display Device) monitor is mounted, (Upper side)
- the above-mentioned meander-shaped plate is attached to the end portion of the second (lower side) housing 40, which is coupled to the housing 20 via the hinge 30, and on which the circuit board 1 such as a key switch is mounted.
- a built-in antenna (monopole antenna) is mounted.
- the loss due to the dielectric is minimized by contacting only a part of the antenna conductor to the substrate, and the compact built-in antenna is mounted.
- the present invention it is possible to form a small-sized, lightweight, high-performance type device equipped with a compact built-in antenna while minimizing loss due to dielectrics.
- the present invention can be applied to a mobile terminal device such as a mobile phone.
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/306,905 US20090278751A1 (en) | 2006-06-29 | 2007-06-29 | Antenna Device and Portable Terminal Device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006179616A JP4772602B2 (ja) | 2006-06-29 | 2006-06-29 | アンテナ装置および同アンテナ装置を搭載した携帯端末装置 |
JP2006-179616 | 2006-06-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008001898A1 true WO2008001898A1 (fr) | 2008-01-03 |
Family
ID=38845661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/063140 WO2008001898A1 (fr) | 2006-06-29 | 2007-06-29 | Dispositif d'antenne et dispositif terminal portable |
Country Status (5)
Country | Link |
---|---|
US (1) | US20090278751A1 (ja) |
JP (1) | JP4772602B2 (ja) |
KR (1) | KR101065888B1 (ja) |
CN (1) | CN101512831A (ja) |
WO (1) | WO2008001898A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011036962A1 (ja) * | 2009-09-25 | 2011-03-31 | 株式会社村田製作所 | アンテナ装置及び携帯端末 |
FR3075484B1 (fr) | 2017-12-18 | 2021-10-15 | Sagemcom Broadband Sas | Antenne pour circuit imprime, circuit electronique et equipement electronique pourvus d'une telle antenne |
KR102080735B1 (ko) * | 2018-12-26 | 2020-02-24 | 주식회사 진영에이앤티 | 다방향 통신이 용이한 다기능 코일 권선형 안테나 및 이의 제조방법 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003060419A (ja) * | 2001-08-21 | 2003-02-28 | Matsushita Electric Ind Co Ltd | 固定式アンテナおよびそれを用いた通信機器 |
JP2004147351A (ja) * | 2000-03-01 | 2004-05-20 | Matsushita Electric Ind Co Ltd | 無線通信端末用内蔵アンテナ |
JP2005210680A (ja) * | 2003-12-25 | 2005-08-04 | Mitsubishi Materials Corp | アンテナ装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3736591A (en) * | 1970-10-30 | 1973-05-29 | Motorola Inc | Receiving antenna for miniature radio receiver |
JPS593603U (ja) * | 1982-06-29 | 1984-01-11 | 株式会社日立国際電気 | 小形無線機用アンテナ |
JP3186050B2 (ja) * | 1990-04-04 | 2001-07-11 | 松下電器産業株式会社 | アンテナユニット |
JP2690651B2 (ja) * | 1992-01-27 | 1997-12-10 | 日本電気株式会社 | アンテナ保持構造 |
FI19992267A (fi) * | 1999-10-20 | 2001-04-21 | Nokia Mobile Phones Ltd | Laajennuskortti langatonta tiedonsiirtoa varten ja sen antennirakenne |
GB2360398A (en) * | 2000-03-16 | 2001-09-19 | Nokia Mobile Phones Ltd | Antenna connector allowing releasable connection of an antenna to a PCB |
JP2002100922A (ja) * | 2000-09-26 | 2002-04-05 | Kenwood Corp | ヘリカルアンテナ及びアンテナコイルの基板への取り付け方法 |
JP2005033363A (ja) * | 2003-07-09 | 2005-02-03 | Matsushita Electric Ind Co Ltd | アンテナおよびその製造方法 |
JP2006101107A (ja) * | 2004-09-29 | 2006-04-13 | Matsushita Electric Ind Co Ltd | アンテナ |
-
2006
- 2006-06-29 JP JP2006179616A patent/JP4772602B2/ja not_active Expired - Fee Related
-
2007
- 2007-06-29 US US12/306,905 patent/US20090278751A1/en not_active Abandoned
- 2007-06-29 WO PCT/JP2007/063140 patent/WO2008001898A1/ja active Application Filing
- 2007-06-29 KR KR1020097001418A patent/KR101065888B1/ko not_active IP Right Cessation
- 2007-06-29 CN CNA2007800324437A patent/CN101512831A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004147351A (ja) * | 2000-03-01 | 2004-05-20 | Matsushita Electric Ind Co Ltd | 無線通信端末用内蔵アンテナ |
JP2003060419A (ja) * | 2001-08-21 | 2003-02-28 | Matsushita Electric Ind Co Ltd | 固定式アンテナおよびそれを用いた通信機器 |
JP2005210680A (ja) * | 2003-12-25 | 2005-08-04 | Mitsubishi Materials Corp | アンテナ装置 |
Also Published As
Publication number | Publication date |
---|---|
JP4772602B2 (ja) | 2011-09-14 |
CN101512831A (zh) | 2009-08-19 |
JP2008011182A (ja) | 2008-01-17 |
KR101065888B1 (ko) | 2011-09-19 |
US20090278751A1 (en) | 2009-11-12 |
KR20090033367A (ko) | 2009-04-02 |
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