WO2008156145A1 - 磁性素子および磁性素子を用いたアンテナ装置 - Google Patents

磁性素子および磁性素子を用いたアンテナ装置 Download PDF

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Publication number
WO2008156145A1
WO2008156145A1 PCT/JP2008/061251 JP2008061251W WO2008156145A1 WO 2008156145 A1 WO2008156145 A1 WO 2008156145A1 JP 2008061251 W JP2008061251 W JP 2008061251W WO 2008156145 A1 WO2008156145 A1 WO 2008156145A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic element
core
bases
antenna device
fixed
Prior art date
Application number
PCT/JP2008/061251
Other languages
English (en)
French (fr)
Inventor
Yasunori Morimoto
Original Assignee
Sumida Corporation
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 Sumida Corporation filed Critical Sumida Corporation
Priority to CN200880018033A priority Critical patent/CN101681710A/zh
Priority to JP2009520535A priority patent/JPWO2008156145A1/ja
Priority to US12/665,756 priority patent/US8487731B2/en
Priority to EP08777411A priority patent/EP2172948A4/en
Publication of WO2008156145A1 publication Critical patent/WO2008156145A1/ja

Links

Classifications

    • 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
    • H01Q7/06—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 with core of ferromagnetic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type 
    • H01F17/04—Fixed inductances of the signal type  with magnetic core
    • H01F17/045—Fixed inductances of the signal type  with magnetic core with core of cylindric geometry and coil wound along its longitudinal axis, i.e. rod or drum core
    • 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
    • H01Q7/06—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 with core of ferromagnetic material
    • H01Q7/08—Ferrite rod or like elongated core
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
    • H01F2027/065—Mounting on printed circuit boards
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
    • H01F27/266—Fastening or mounting the core on casing or support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/04—Arrangements of electric connections to coils, e.g. leads

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Details Of Aerials (AREA)

Abstract

　インサート成型でコアにベースが固定される場合であっても、コアに対するベースの固定強度を高めることが可能な磁性素子を提供すること。 　磁性素子１は、磁性材料からなるコア２と、コア２の端部側にインサート成型で形成されて固定される樹脂製のベース３、４とを備え、コア２には、端面２ａから窪む凹部２ｂが形成されている。この磁性素子１では、コア２に対するベース３、４の固定強度を高めることが可能になる。
PCT/JP2008/061251 2007-06-19 2008-06-19 磁性素子および磁性素子を用いたアンテナ装置 WO2008156145A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN200880018033A CN101681710A (zh) 2007-06-19 2008-06-19 磁性元件及使用磁性元件的天线装置
JP2009520535A JPWO2008156145A1 (ja) 2007-06-19 2008-06-19 磁性素子および磁性素子を用いたアンテナ装置
US12/665,756 US8487731B2 (en) 2007-06-19 2008-06-19 Magnetic element, and antenna device using the magnetic element
EP08777411A EP2172948A4 (en) 2007-06-19 2008-06-19 MAGNETIC ELEMENT AND ANTENNA DEVICE USING THE MAGNETIC ELEMENT

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007160875 2007-06-19
JP2007-160875 2007-06-19

Publications (1)

Publication Number Publication Date
WO2008156145A1 true WO2008156145A1 (ja) 2008-12-24

Family

ID=40156303

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/061251 WO2008156145A1 (ja) 2007-06-19 2008-06-19 磁性素子および磁性素子を用いたアンテナ装置

Country Status (5)

Country Link
US (1) US8487731B2 (ja)
EP (1) EP2172948A4 (ja)
JP (1) JPWO2008156145A1 (ja)
CN (1) CN101681710A (ja)
WO (1) WO2008156145A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011082469A (ja) * 2009-10-12 2011-04-21 Denso Corp 点火コイル

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101661829B (zh) * 2009-08-07 2014-10-29 越峰电子（昆山）有限公司 组合式软磁铁氧体磁芯
CN105825997B (zh) * 2015-01-22 2019-03-22 株式会社村田制作所 线圈部件

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5854111U (ja) * 1981-10-09 1983-04-13 シチズン時計株式会社 超小型ラジオ受信機のバ−アンテナコイル
JPS629609A (ja) * 1985-07-05 1987-01-17 Matsushita Electric Ind Co Ltd 高周波変成器
JPS6416719U (ja) * 1987-07-20 1989-01-27
JPH02150004A (ja) 1988-11-30 1990-06-08 Toko Inc インダクタンス素子
JPH0279004U (ja) * 1988-12-05 1990-06-18
JPH10303034A (ja) * 1997-04-30 1998-11-13 Tokyo Parts Ind Co Ltd 面実装コイル

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4419640A (en) * 1979-12-17 1983-12-06 Omron Tateisi Electronics Co. Unitary contact-terminal blades integrally formed in a molded base
JPS5731810U (ja) * 1980-07-31 1982-02-19
JPS5895009U (ja) * 1981-12-21 1983-06-28 松下電器産業株式会社 高周波コイル
JP2927084B2 (ja) * 1991-11-13 1999-07-28 トヨタ自動車株式会社 電磁ピックアップの製造方法
JP2987666B2 (ja) * 1992-10-13 1999-12-06 太陽誘電株式会社 リニアリティ・コイル
JPH08167528A (ja) * 1994-12-14 1996-06-25 Taiyo Yuden Co Ltd リニアリティコイル
JPH0992542A (ja) * 1995-07-19 1997-04-04 Taiyo Yuden Co Ltd リニアリティーコイル
GB9621334D0 (en) * 1996-10-12 1996-11-27 Lucas Ind Inc Rotary solenoid
DE19713659C1 (de) * 1997-04-02 1998-06-25 Siemens Ag Elektromagnetisches Relais
JPH118133A (ja) 1997-06-16 1999-01-12 Tokyo Parts Ind Co Ltd 面実装コイル
DE19812836A1 (de) * 1998-03-24 1999-09-30 Pemetzrieder Neosid Induktives Miniatur-Bauelement für SMD-Montage
JP2000309031A (ja) * 1999-04-26 2000-11-07 Ibiden Co Ltd セラミック焼結体をコアとした樹脂成形品及びその製造方法
CN1181509C (zh) * 2000-09-14 2004-12-22 松下电工株式会社 电磁装置和高电压发生装置及电磁装置的制造方法
JP2004235701A (ja) * 2003-01-28 2004-08-19 Casio Comput Co Ltd アンテナ及びアンテナを備えた腕時計
KR20050078988A (ko) * 2004-02-03 2005-08-08 타이코 일렉트로닉스 에이엠피 게엠베하 적어도 하나의 계전기 구동기를 갖는 전자기 계전기와계전기 구동기용 리셉터클
JP4763609B2 (ja) * 2004-08-23 2011-08-31 日本科学冶金株式会社 磁性コア部品の製造方法
JP4787604B2 (ja) * 2005-11-18 2011-10-05 富士通コンポーネント株式会社 コイル装置
JP2007240401A (ja) * 2006-03-10 2007-09-20 Casio Comput Co Ltd 電波時計及びアンテナ装置
JP4432977B2 (ja) * 2007-01-30 2010-03-17 Ｔｄｋ株式会社 コイル部品
JP5544721B2 (ja) * 2009-02-03 2014-07-09 スミダコーポレーション株式会社 磁性素子

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5854111U (ja) * 1981-10-09 1983-04-13 シチズン時計株式会社 超小型ラジオ受信機のバ−アンテナコイル
JPS629609A (ja) * 1985-07-05 1987-01-17 Matsushita Electric Ind Co Ltd 高周波変成器
JPS6416719U (ja) * 1987-07-20 1989-01-27
JPH02150004A (ja) 1988-11-30 1990-06-08 Toko Inc インダクタンス素子
JPH0279004U (ja) * 1988-12-05 1990-06-18
JPH10303034A (ja) * 1997-04-30 1998-11-13 Tokyo Parts Ind Co Ltd 面実装コイル

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2172948A4 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011082469A (ja) * 2009-10-12 2011-04-21 Denso Corp 点火コイル

Also Published As

Publication number Publication date
US8487731B2 (en) 2013-07-16
JPWO2008156145A1 (ja) 2010-08-26
EP2172948A1 (en) 2010-04-07
US20100188180A1 (en) 2010-07-29
EP2172948A4 (en) 2010-07-21
CN101681710A (zh) 2010-03-24

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