JP5127060B2 - 可変インダクタ - Google Patents

可変インダクタ Download PDF

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Publication number
JP5127060B2
JP5127060B2 JP2008312547A JP2008312547A JP5127060B2 JP 5127060 B2 JP5127060 B2 JP 5127060B2 JP 2008312547 A JP2008312547 A JP 2008312547A JP 2008312547 A JP2008312547 A JP 2008312547A JP 5127060 B2 JP5127060 B2 JP 5127060B2
Authority
JP
Japan
Prior art keywords
coil
variable inductor
magnetic
core
magnetic core
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.)
Expired - Fee Related
Application number
JP2008312547A
Other languages
English (en)
Japanese (ja)
Other versions
JP2010135699A (ja
JP2010135699A5 (enExample
Inventor
貢 川原井
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.)
Sumida Corp
Original Assignee
Sumida 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 Sumida Corp filed Critical Sumida Corp
Priority to JP2008312547A priority Critical patent/JP5127060B2/ja
Priority to CN2009801414853A priority patent/CN102187410B/zh
Priority to PCT/JP2009/065563 priority patent/WO2010067649A1/ja
Priority to KR1020117005355A priority patent/KR101219568B1/ko
Publication of JP2010135699A publication Critical patent/JP2010135699A/ja
Publication of JP2010135699A5 publication Critical patent/JP2010135699A5/ja
Priority to US13/154,099 priority patent/US8319592B2/en
Application granted granted Critical
Publication of JP5127060B2 publication Critical patent/JP5127060B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F21/00—Variable inductances or transformers of the signal type
    • H01F21/02—Variable inductances or transformers of the signal type continuously variable, e.g. variometers
    • H01F21/06—Variable inductances or transformers of the signal type continuously variable, e.g. variometers by movement of core or part of core relative to the windings as a whole
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F21/00—Variable inductances or transformers of the signal type
    • H01F21/02—Variable inductances or transformers of the signal type continuously variable, e.g. variometers
    • H01F21/10—Variable inductances or transformers of the signal type continuously variable, e.g. variometers by means of a movable shield
    • 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
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/08—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators
    • H01F29/12—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators having movable coil, winding, or part thereof; having movable shield
    • 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
    • H01F17/043—Fixed inductances of the signal type with magnetic core with two, usually identical or nearly identical parts enclosing completely the coil (pot cores)
    • 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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/29—Terminals; Tapping arrangements for signal inductances
    • H01F27/292—Surface mounted devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Or Transformers For Communication (AREA)
JP2008312547A 2008-12-08 2008-12-08 可変インダクタ Expired - Fee Related JP5127060B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2008312547A JP5127060B2 (ja) 2008-12-08 2008-12-08 可変インダクタ
CN2009801414853A CN102187410B (zh) 2008-12-08 2009-09-07 可变电感
PCT/JP2009/065563 WO2010067649A1 (ja) 2008-12-08 2009-09-07 可変インダクタ
KR1020117005355A KR101219568B1 (ko) 2008-12-08 2009-09-07 가변 인덕터
US13/154,099 US8319592B2 (en) 2008-12-08 2011-06-06 Variable inductor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008312547A JP5127060B2 (ja) 2008-12-08 2008-12-08 可変インダクタ

Publications (3)

Publication Number Publication Date
JP2010135699A JP2010135699A (ja) 2010-06-17
JP2010135699A5 JP2010135699A5 (enExample) 2011-03-10
JP5127060B2 true JP5127060B2 (ja) 2013-01-23

Family

ID=42242642

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008312547A Expired - Fee Related JP5127060B2 (ja) 2008-12-08 2008-12-08 可変インダクタ

Country Status (5)

Country Link
US (1) US8319592B2 (enExample)
JP (1) JP5127060B2 (enExample)
KR (1) KR101219568B1 (enExample)
CN (1) CN102187410B (enExample)
WO (1) WO2010067649A1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102713654B (zh) * 2009-12-28 2016-08-17 Tdk株式会社 磁场检测装置及电流传感器
KR101223607B1 (ko) * 2011-10-31 2013-01-21 경북대학교 산학협력단 가변 인덕터 및 그 인덕터의 구동 방법
JP6245187B2 (ja) * 2015-02-02 2017-12-13 株式会社村田製作所 パワーインダクタの評価装置、及び、パワーインダクタの評価プログラム
JP6447405B2 (ja) * 2015-08-04 2019-01-09 株式会社村田製作所 可変インダクタ
CN109074937B (zh) * 2016-07-13 2020-09-08 日本制铁株式会社 电感调整装置
KR101893766B1 (ko) * 2016-07-29 2018-08-31 신찬수 가변 리액터
EP3422417B1 (en) * 2017-06-30 2021-08-04 Murata Manufacturing Co., Ltd. Distributed lc filter structure
US11049642B1 (en) * 2017-09-26 2021-06-29 Universal Lighting Technologies, Inc. Dual magnetic component with three core portions
FR3142851B1 (fr) * 2022-12-06 2025-01-03 Thales Sa Module de variation d'une inductance et filtre radiofréquence comportant un tel module

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1188326A (en) * 1967-08-21 1970-04-15 Hirst Electric Ind Ltd Transformer with Variable Secondary Reactance
US3716719A (en) * 1971-06-07 1973-02-13 Aerco Corp Modulated output transformers
JPS5150981Y2 (enExample) * 1972-03-10 1976-12-07
US4031496A (en) * 1973-07-06 1977-06-21 Hitachi, Ltd. Variable inductor
US4149133A (en) * 1977-10-14 1979-04-10 Johnson Controls, Inc. Variable differential transformer apparatus
JPS5932049B2 (ja) * 1979-10-22 1984-08-06 東北金属工業株式会社 ノイズフィルタ用インダクタ
JPS59178713A (ja) * 1983-03-29 1984-10-11 Mitsubishi Electric Corp 可変リアクトル
US5061896A (en) * 1985-09-03 1991-10-29 United Technologies Corporation Variable transformer to detect linear displacement with constant output amplitude
JPS62111405A (ja) * 1985-11-08 1987-05-22 Matsushita Electric Ind Co Ltd 可変インダクタ
JPS6367710A (ja) * 1986-09-09 1988-03-26 Fujitsu Ltd 小型可変インダクタ
US4837497A (en) * 1987-12-29 1989-06-06 Gregory Leibovich Variable transformer, reactor and method of their control
JPH03166706A (ja) * 1989-11-27 1991-07-18 Shimada Phys & Chem Ind Co Ltd 可変インダクタ
JPH03217004A (ja) * 1990-01-22 1991-09-24 Nec Corp 可変インダクタ
US6681728B2 (en) * 2001-11-05 2004-01-27 Ford Global Technologies, Llc Method for controlling an electromechanical actuator for a fuel air charge valve
JP2005064263A (ja) * 2003-08-13 2005-03-10 Rikogaku Shinkokai 可変インダクタ
JP2005064308A (ja) 2003-08-18 2005-03-10 Rikogaku Shinkokai 可変インダクタ
JP2006286805A (ja) 2005-03-31 2006-10-19 Fujitsu Ltd 可変インダクタ

Also Published As

Publication number Publication date
KR20110039388A (ko) 2011-04-15
KR101219568B1 (ko) 2013-01-09
US8319592B2 (en) 2012-11-27
JP2010135699A (ja) 2010-06-17
CN102187410B (zh) 2013-04-17
US20110234354A1 (en) 2011-09-29
CN102187410A (zh) 2011-09-14
WO2010067649A1 (ja) 2010-06-17

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