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WO2019181169A1 - Dispositif d'antenne - Google Patents

Dispositif d'antenne Download PDF

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Publication number
WO2019181169A1
WO2019181169A1 PCT/JP2019/001748 JP2019001748W WO2019181169A1 WO 2019181169 A1 WO2019181169 A1 WO 2019181169A1 JP 2019001748 W JP2019001748 W JP 2019001748W WO 2019181169 A1 WO2019181169 A1 WO 2019181169A1
Authority
WO
WIPO (PCT)
Prior art keywords
folded antenna
antenna
wiring
parallel line
folded
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2019/001748
Other languages
English (en)
Japanese (ja)
Inventor
鈴木　淳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FDK Corp
Original Assignee
FDK Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by FDK Corp filed Critical FDK Corp
Priority to CN201980021486.8A priority Critical patent/CN111954958B/zh
Publication of WO2019181169A1 publication Critical patent/WO2019181169A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H01Q1/36—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
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • 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

Definitions

  • the present invention relates to an antenna device for wireless communication, and more particularly to a small antenna device with a wide frequency band, which is mounted on a portable mobile communication device.
  • Patent Document 1 a technique for miniaturizing a meander antenna in which a radiating element is formed in a meander shape has been proposed.
  • the electrical characteristics of such a miniaturized antenna device are greatly affected by the surrounding environment during use. For example, electrical characteristics such as a large frequency dielectric such as the human body, reflection of radio waves from metals, magnetic fields radiated from chargers, etc., narrowing the frequency band or shifting the center frequency of the frequency band Fluctuations occur. As a result, even when the mobile communication device in which the antenna device is mounted is operating, there may be a problem that the required performance cannot be exhibited depending on the surrounding environment.
  • the present invention has been made in view of such problems, and the object of the present invention is to provide a small-sized cover that always covers the frequency band required by the mounted mobile communication device regardless of the surrounding environment during use.
  • An object is to provide an antenna device.
  • the insulating substrate, the first folded antenna, the first wiring, and the power feeding unit disposed on the first surface of the insulating substrate, the insulating property
  • the first folded antenna is connected to the first wiring through the power feeding portion
  • the second folded antenna is connected to the second wiring
  • the first wiring is connected to the second wiring through the via hole.
  • the first folded antenna has at least two first parallel line portions that are parallel to each other
  • the second folded antenna has at least two second parallel line portions that are parallel to each other.
  • Each of the first parallel line sections has a second parallel line section. Crossing a total in a plan view.
  • the antenna device of the present invention it is possible to provide an effect of providing a small antenna device that always covers the frequency band required by the mounted mobile communication device regardless of the surrounding environment at the time of use.
  • the bird's-eye view of the 1st Embodiment of this invention The top view of the 1st Embodiment of this invention.
  • Sectional drawing of line segment AA 'of FIG. FIG. 3 is a cross-sectional view taken along line BB ′ in FIG. 2.
  • FIG. 1 is a bird's-eye view of a first embodiment of an antenna device 1 of the present invention.
  • the first folded antenna 3 On the first surface 2a (see FIG. 3) of the insulating substrate 2, the first folded antenna 3, the first wiring 5, and the power feeding unit 9 are disposed.
  • the first folded antenna 3 has the power feeding unit 9 disposed therein. And is connected to the first wiring 5.
  • the second folded antenna 4 and the second wiring 6 are disposed on the second surface 2b (see FIG. 3) facing the first surface 2a of the insulating substrate 2.
  • the second folded antenna 4 is connected to the second wiring 6.
  • a via hole 7 penetrating from the first surface 2 a to the second surface 2 b of the insulating substrate 2 is disposed, and the first wiring 5 is electrically connected to the second wiring 6 through the via hole 7. It is connected.
  • FIG. 2 is an enlarged plan view of the vicinity of the region where the first folded antenna 3 and the second folded antenna 4 of FIG. 1 are arranged.
  • the first folded antenna 3 has a meander shape having six parallel first parallel line sections (3-1 to 3-6 in FIG. 2, hereinafter referred to as 3n), and the second folded antenna 4 Is a meander shape having five parallel second line portions (4-1 to 4-5 in FIG. 2, hereinafter referred to as 4n).
  • the first folded antenna 3 and the second folded antenna 4 each having a meander shape are disposed so as to be orthogonal to each other in plan view, and the six first parallel line portions 3n of the first folded antenna 3 are arranged. Each of them intersects with all of the five second parallel line portions 4n of the second folded antenna 4 so as to be orthogonal in a plan view.
  • the first parallel line portion 3-1 closest to the power feeding portion 9 is connected to the second folded antenna 4 and the second wiring 6. It arrange
  • FIG. 3 is a cross-sectional view taken along line AA ′ shown in FIG.
  • the first parallel line portion 3-1 closest to the power feeding portion 9 is disposed on the second surface 2b.
  • the end portions (4-1 to 4-5 in the figure) of the second parallel line portion 4n of the second folded antenna 4 are opposed to each other with the insulating substrate 2 interposed therebetween.
  • FIG. 4 is a cross-sectional view taken along line BB ′ shown in FIG.
  • Each of the first parallel line portion 3-3 of the first parallel line portions 3n of the first folded antenna 3 and the five second parallel line portions 4n of the second folded antenna 4 ( 4-1 to 4-5) in the figure face each other with the insulating substrate 2 interposed therebetween.
  • the first folded antenna 3 and the second folded antenna 4 are electrically separated by the insulating substrate 2 and are not directly connected.
  • a first wiring 5 is further arranged on the first surface 2 a, and the power feeding unit 9 is connected to each of the first folded antenna 3 and the first wiring 5 by, for example, a solder layer 11.
  • the power feeding unit 9 may be an electronic circuit module including a power feeding circuit that feeds power to the first folded antenna 3.
  • a second wiring 6 is further arranged on the second surface 2b, which is directly connected to the second folded antenna 4.
  • the first wiring 5 is electrically connected to the second wiring 6 through a conductive material filled in a via hole 7 penetrating from the first surface 2 a to the second surface 2 b of the insulating substrate 2. .
  • FIG. 5 shows a modified example of the first embodiment of the present invention.
  • This modification further includes an insulating substrate 12 that covers the second surface 2b of the insulating substrate 2 and the 2b second folded antenna 4 and the second wiring 6 on the second surface.
  • the second folded antenna 4 may be disposed in an intermediate layer of a multilayer circuit board in which a plurality of insulating substrates are stacked.
  • FIG. 6 shows a first variation of the antenna arrangement according to the first embodiment of the present invention.
  • the planar shape of the second folded antenna 4a is similar to the planar shape of the first folded antenna 3a, and is substantially the same as the shape rotated 90 degrees clockwise.
  • FIG. 7 shows a second modification of the antenna arrangement according to the first embodiment of the present invention.
  • the first folded antenna 3a is shifted in the direction of the arrow from the antenna arrangement shown in FIG.
  • a part of the plurality of first parallel line portions (reference numerals are not shown) of the first return antenna 3b is part of the second parallel line portions (reference numerals are not shown) of the second return antenna 4b. ) May not be overlapped with any of the above.
  • FIG. 8 is a bird's-eye view of the antenna device 21 according to the second embodiment of the present invention. Compared with the antenna device 1 illustrated in FIG. 1, the planar shape of the first folded antenna 23, the position where the feeding unit 29 is disposed, and the first folded antenna 23 via the feeding unit 29 are connected to the first wiring 25. The connection position is different. Since other parts are the same as those of the antenna device 1 shown in FIG.
  • FIG. 9 is an enlarged plan view of the vicinity of the area where the first folded antenna 23 and the second folded antenna 24 of FIG. 8 are arranged.
  • the first folded antenna 23 has a meander shape having at least six first parallel line portions (reference numerals not shown) parallel to each other.
  • the shape of the first folded antenna 23 and the shape of the first folded antenna 3 shown in FIG. 2 are mirror-symmetric with respect to a line segment parallel to the first parallel line portion 3n.
  • planar shape and the position of the second folded antenna 24 are the same as those of the antenna device 1 shown in FIG.
  • the first parallel line portion closest to the feeding portion 29 is connected to the second folded antenna 24 to the second wiring 26. It is arranged so as to overlap the far end side farthest from the portion (near end side) in plan view. Then, on the near end side of the second parallel line portion (not shown) of the second folded antenna 24, the first folded antenna is located at a position facing the second folded antenna 24 with the insulating substrate 2 interposed therebetween. 23 is not arranged.
  • the position of the first folded antenna 23 of the second embodiment is different from the position of the first folded antenna 3 of the first embodiment, but the first folded antenna 23 6
  • Each of the first parallel line portions of the book overlaps with all of the five second parallel line portions of the second folded antenna 24 in plan view, and is overlapped with the first embodiment.
  • the areas are almost the same, and their electrical characteristics are also almost the same.
  • the antenna device of the first aspect of the present invention the insulating substrate, the first folded antenna, the first wiring, and the power feeding unit disposed on the first surface of the insulating substrate, the insulating property A second folded antenna and a second wiring disposed on a second surface opposite to the first surface of the substrate, and a via hole penetrating from the first surface to the second surface of the insulating substrate.
  • the first folded antenna is connected to the first wiring through the power feeding portion
  • the second folded antenna is connected to the second wiring
  • the first wiring is connected to the second wiring through the via hole.
  • the first folded antenna has at least two first parallel line portions that are parallel to each other
  • the second folded antenna has at least two second parallel line portions that are parallel to each other.
  • Each of the first parallel line sections has a second parallel line section Intersect in parts in a plan view.
  • each of the first parallel line portions of the first folded antenna is planar with all of the second parallel line portions of the second folded antenna. Orthogonal in view.
  • each of the first folded antenna and the second folded antenna has a meander shape.
  • the first folded antenna and the second folded antenna are similar to each other, and are rotated 90 degrees from each other in plan view. .

Landscapes

  • Details Of Aerials (AREA)
  • Aerials With Secondary Devices (AREA)

Abstract

L'invention concerne un dispositif d'antenne 1 comprenant : une première antenne repliée 3, un premier fil 5, et une unité d'alimentation 9 qui sont disposés sur une première surface 2a d'une carte isolante 2 ; une seconde antenne repliée 4 et un second fil 6 qui sont disposés sur une seconde surface 2b de la carte isolante 2 ; et des trous d'interconnexion 7 pénétrant à travers la carte isolante 2. La première antenne repliée 3 est connectée au premier fil 5 par l'intermédiaire de l'unité d'alimentation 9. La seconde antenne repliée 4 est connectée au second fil 6. Le premier fil 5 est relié au second fil 6 par l'intermédiaire des trous d'interconnexion 7. La première antenne repliée 3 a au moins deux premières portions de ligne parallèle 3n parallèles les unes aux autres. La seconde antenne repliée 4 comprend au moins deux secondes parties de ligne parallèles 4n parallèles les unes aux autres. Chacune des premières parties de ligne parallèles 3n croise l'ensemble des secondes parties de ligne parallèles 4n dans une vue en plan.
PCT/JP2019/001748 2018-03-23 2019-01-22 Dispositif d'antenne Ceased WO2019181169A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201980021486.8A CN111954958B (zh) 2018-03-23 2019-01-22 天线装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018-056848 2018-03-23
JP2018056848A JP6978969B2 (ja) 2018-03-23 2018-03-23 アンテナ装置

Publications (1)

Publication Number Publication Date
WO2019181169A1 true WO2019181169A1 (fr) 2019-09-26

Family

ID=67987122

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2019/001748 Ceased WO2019181169A1 (fr) 2018-03-23 2019-01-22 Dispositif d'antenne

Country Status (3)

Country Link
JP (1) JP6978969B2 (fr)
CN (1) CN111954958B (fr)
WO (1) WO2019181169A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009004896A (ja) * 2007-06-19 2009-01-08 Fuji Xerox Co Ltd 平面アンテナ
JP2009182786A (ja) * 2008-01-31 2009-08-13 Nippon Tungsten Co Ltd 積層アンテナ
US20110025576A1 (en) * 2009-07-30 2011-02-03 Shau-Gang Mao Multi-band microstrip meander-line antenna

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05347507A (ja) * 1992-06-12 1993-12-27 Junkosha Co Ltd アンテナ
JP2004201278A (ja) * 2002-12-06 2004-07-15 Sharp Corp パターンアンテナ
JP3863533B2 (ja) * 2004-03-22 2006-12-27 株式会社ヨコオ 折返しアンテナ
US7274334B2 (en) * 2005-03-24 2007-09-25 Tdk Corporation Stacked multi-resonator antenna
KR100819201B1 (ko) * 2006-11-02 2008-04-04 이병제 간접 결합 급전을 이용한 ｕｈｆ 대역 수동형 ｒｆｉｄ금속 태그 안테나
US8081122B2 (en) * 2009-06-10 2011-12-20 Tdk Corporation Folded slotted monopole antenna
CN101986461B (zh) * 2010-01-05 2014-02-05 连展科技电子（昆山）有限公司 整合式多频天线
CN103098302B (zh) * 2010-09-15 2016-01-27 迪睿合电子材料有限公司 天线装置及通信装置
JP5875871B2 (ja) * 2012-01-05 2016-03-02 船井電機株式会社 アンテナ装置および通信機器
CN204614955U (zh) * 2013-08-02 2015-09-02 株式会社村田制作所 天线装置及通信终端设备
JP6558251B2 (ja) * 2016-01-14 2019-08-14 株式会社村田製作所 電子機器
CN106025510A (zh) * 2016-08-03 2016-10-12 北京邮电大学 一种天线

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009004896A (ja) * 2007-06-19 2009-01-08 Fuji Xerox Co Ltd 平面アンテナ
JP2009182786A (ja) * 2008-01-31 2009-08-13 Nippon Tungsten Co Ltd 積層アンテナ
US20110025576A1 (en) * 2009-07-30 2011-02-03 Shau-Gang Mao Multi-band microstrip meander-line antenna

Also Published As

Publication number Publication date
CN111954958A (zh) 2020-11-17
CN111954958B (zh) 2023-04-14
JP2019169872A (ja) 2019-10-03
JP6978969B2 (ja) 2021-12-08

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