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WO2008107971A1 - 半折り返しダイポールアンテナ - Google Patents

半折り返しダイポールアンテナ Download PDF

Info

Publication number
WO2008107971A1
WO2008107971A1 PCT/JP2007/054299 JP2007054299W WO2008107971A1 WO 2008107971 A1 WO2008107971 A1 WO 2008107971A1 JP 2007054299 W JP2007054299 W JP 2007054299W WO 2008107971 A1 WO2008107971 A1 WO 2008107971A1
Authority
WO
WIPO (PCT)
Prior art keywords
dipole antenna
folding dipole
power supply
set wider
width
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/JP2007/054299
Other languages
English (en)
French (fr)
Inventor
Toshiteru Hayashi
Yoshio Koyanagi
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.)
Panasonic Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
Matsushita Electric Industrial Co Ltd
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 Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Priority to PCT/JP2007/054299 priority Critical patent/WO2008107971A1/ja
Priority to CN200780051978A priority patent/CN101627505A/zh
Priority to JP2009502388A priority patent/JPWO2008107971A1/ja
Priority to EP07737846A priority patent/EP2120292B1/en
Priority to AT07737846T priority patent/ATE545968T1/de
Priority to US12/529,075 priority patent/US20100097285A1/en
Publication of WO2008107971A1 publication Critical patent/WO2008107971A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/26—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
    • 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
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
    • 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
    • H01Q9/40—Element having extended radiating surface
    • 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

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Details Of Aerials (AREA)
  • Aerials With Secondary Devices (AREA)

Abstract

　従来に比して一段と広帯域な周波数特性を有する半折り返しダイポールアンテナを提供する。上側素子１２又は下側素子１１のいずれか一方の短辺部１２ｄ，１１ｄの素子幅を他方の素子幅よりも広くすると共に、上側素子１２又は下側素子１１のうち給電側の素子の長辺部の素子幅を無給電側の素子の長辺部の素子幅よりも広くすることで広帯域化を実現する。
PCT/JP2007/054299 2007-03-06 2007-03-06 半折り返しダイポールアンテナ Ceased WO2008107971A1 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
PCT/JP2007/054299 WO2008107971A1 (ja) 2007-03-06 2007-03-06 半折り返しダイポールアンテナ
CN200780051978A CN101627505A (zh) 2007-03-06 2007-03-06 半折叠偶极子天线
JP2009502388A JPWO2008107971A1 (ja) 2007-03-06 2007-03-06 半折り返しダイポールアンテナ
EP07737846A EP2120292B1 (en) 2007-03-06 2007-03-06 Folding dipole antenna
AT07737846T ATE545968T1 (de) 2007-03-06 2007-03-06 Klappbare dipolantenne
US12/529,075 US20100097285A1 (en) 2007-03-06 2007-03-06 Folding dipole antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/054299 WO2008107971A1 (ja) 2007-03-06 2007-03-06 半折り返しダイポールアンテナ

Publications (1)

Publication Number Publication Date
WO2008107971A1 true WO2008107971A1 (ja) 2008-09-12

Family

ID=39737876

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/054299 Ceased WO2008107971A1 (ja) 2007-03-06 2007-03-06 半折り返しダイポールアンテナ

Country Status (6)

Country Link
US (1) US20100097285A1 (ja)
EP (1) EP2120292B1 (ja)
JP (1) JPWO2008107971A1 (ja)
CN (1) CN101627505A (ja)
AT (1) ATE545968T1 (ja)
WO (1) WO2008107971A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011130411A (ja) * 2009-11-20 2011-06-30 Denso Corp 変形折返しダイポールアンテナ及びそのインピーダンス調整方法、アンテナ装置
JP2011229143A (ja) * 2010-04-02 2011-11-10 Harada Ind Co Ltd 折り返しモノポールアンテナ

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9105975B2 (en) * 2010-05-17 2015-08-11 Panasonic Intellectual Property Management Co., Ltd. Antenna device and portable wireless terminal equipped with the same
GB2484542B (en) * 2010-10-15 2015-04-29 Microsoft Technology Licensing Llc LTE antenna pair for mimo/diversity operation in the LTE/GSM bands
CN104701608B (zh) * 2015-03-24 2018-09-04 上海与德通讯技术有限公司 移动终端的宽频天线
US10305171B1 (en) 2017-04-24 2019-05-28 Blue Digs LLC Electronic devices with antenna arrays
EP3471199B1 (en) 2017-10-16 2024-06-05 Widex A/S Antenna for a hearing assistance device
DK3471201T3 (da) 2017-10-16 2021-03-15 Widex As Antenne til en høreunderstøttelsesindretning
EP3471198B1 (en) 2017-10-16 2020-12-02 Widex A/S Antenna for a hearing assistance device
DK3471200T3 (da) 2017-10-16 2020-04-27 Widex As Antenne til en høreunderstøttelsesindretning
DK3698431T3 (da) 2017-10-16 2022-08-08 Widex As Antenne til en hørehjælpeindretning
US10992045B2 (en) * 2018-10-23 2021-04-27 Neptune Technology Group Inc. Multi-band planar antenna
CA3057782C (en) * 2018-10-23 2022-03-22 Neptune Technology Group Inc. Compact folded dipole antenna with multiple frequency bands
WO2025128957A1 (en) * 2023-12-14 2025-06-19 Battelle Memorial Institute Reduced footprint antenna array system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003179426A (ja) * 2001-12-13 2003-06-27 Matsushita Electric Ind Co Ltd アンテナ装置及び携帯無線装置
JP2003209427A (ja) * 2002-01-09 2003-07-25 Hidaka Denki Works Co Ltd 小型携帯用多周波数共振アンテナ

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4413254A (en) * 1981-09-04 1983-11-01 Sensormatic Electronics Corporation Combined radio and magnetic energy responsive surveillance marker and system
CN1714471A (zh) * 2002-11-18 2005-12-28 株式会社友华 多频段用天线

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003179426A (ja) * 2001-12-13 2003-06-27 Matsushita Electric Ind Co Ltd アンテナ装置及び携帯無線装置
JP2003209427A (ja) * 2002-01-09 2003-07-25 Hidaka Denki Works Co Ltd 小型携帯用多周波数共振アンテナ

Non-Patent Citations (7)

* Cited by examiner, † Cited by third party
Title
CHUNG K. ET AL.: "Integrated MIMO Antenna with High Isolation Characteristic", ELECTRONICS LETTERS, vol. 43, no. 4, 15 February 2007 (2007-02-15), pages 199 - 201, XP006028180, DOI: doi:10.1049/el:20070012
HAYASHIDA S. ET AL.: "Characteristics of built-in Folded Monopole Antenna for Handsets", IEICE TRANSACTION ON COMMUNICATIONS, vol. E88-B, no. 6, 1 June 2005 (2005-06-01), pages 2275 - 2283, XP001230777, DOI: doi:10.1093/ietcom/e88-b.6.2275
HAYASHIDA; MORISHITA; KOYANAGI: "Characteristics of built-in folded monopole antenna for handsets", IEICE, 2003, pages 23 - 28
HAYASHIDA; MORISHITA; KOYANAGI: "Characteristics of built-in folded monopole antenna for handsets", IEICE, 2004, pages 23 - 28
HIROSHI SATO ET AL.: "Orikaeshi Loop Antenna o Mochiita Tanmatsuyo MIMO Antenna no Kiso Kento (1", 2005 NEN IEICE COMMUNICATIONS SOCIETY CONFERENCE, pages B-1 - 224 *
SHOGO HAYASHIDA ET AL.: "Keitai Tanmatsuyo Heiko Kyudengata Naizo Han'orikaeshi Dipole Antenna", NEN IEICE COMMUNICATIONS SOCIETY CONFERENCE, 2005, pages B-1 - 143 *
SHOGO HAYASHIDA ET AL.: "Keitai Tanmatsuyo Naizogata Han'orikaeshi Dipole Antenna (2", 2004 NEN THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS SOGO TAIKAI, pages B-1 - 56 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011130411A (ja) * 2009-11-20 2011-06-30 Denso Corp 変形折返しダイポールアンテナ及びそのインピーダンス調整方法、アンテナ装置
JP2011229143A (ja) * 2010-04-02 2011-11-10 Harada Ind Co Ltd 折り返しモノポールアンテナ

Also Published As

Publication number Publication date
JPWO2008107971A1 (ja) 2010-06-10
EP2120292B1 (en) 2012-02-15
EP2120292A1 (en) 2009-11-18
CN101627505A (zh) 2010-01-13
ATE545968T1 (de) 2012-03-15
US20100097285A1 (en) 2010-04-22
EP2120292A4 (en) 2010-03-03

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