EP1540675A4 - Einrichtung und verfahren für gesteuerte induktivität - Google Patents

Einrichtung und verfahren für gesteuerte induktivität

Info

Publication number
EP1540675A4
EP1540675A4 EP02775837A EP02775837A EP1540675A4 EP 1540675 A4 EP1540675 A4 EP 1540675A4 EP 02775837 A EP02775837 A EP 02775837A EP 02775837 A EP02775837 A EP 02775837A EP 1540675 A4 EP1540675 A4 EP 1540675A4
Authority
EP
European Patent Office
Prior art keywords
inductance device
controlled inductance
controlled
inductance
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.)
Withdrawn
Application number
EP02775837A
Other languages
English (en)
French (fr)
Other versions
EP1540675A1 (de
Inventor
Frederick J Kiko
Lucian Scripca
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.)
Pulse Electronics Inc
Original Assignee
Pulse Engineering Inc
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 Pulse Engineering Inc filed Critical Pulse Engineering Inc
Publication of EP1540675A1 publication Critical patent/EP1540675A1/de
Publication of EP1540675A4 publication Critical patent/EP1540675A4/de
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • H01F3/14—Constrictions; Gaps, e.g. air-gaps
    • 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
    • H01F21/065—Measures for obtaining a desired relation between the position of the core and the inductance
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0213—Manufacturing of magnetic circuits made from strip(s) or ribbon(s)
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • H01F41/041—Printed circuit coils
    • H01F41/045—Trimming

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Filters And Equalizers (AREA)
EP02775837A 2002-09-17 2002-09-17 Einrichtung und verfahren für gesteuerte induktivität Withdrawn EP1540675A4 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2002/029480 WO2004027793A1 (en) 2002-09-17 2002-09-17 Controlled inductance device and method

Publications (2)

Publication Number Publication Date
EP1540675A1 EP1540675A1 (de) 2005-06-15
EP1540675A4 true EP1540675A4 (de) 2009-11-11

Family

ID=32028450

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02775837A Withdrawn EP1540675A4 (de) 2002-09-17 2002-09-17 Einrichtung und verfahren für gesteuerte induktivität

Country Status (4)

Country Link
EP (1) EP1540675A4 (de)
CN (1) CN1695212A (de)
AU (1) AU2002341687A1 (de)
WO (1) WO2004027793A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000223419A (ja) 1998-06-30 2000-08-11 Sony Corp 単結晶シリコン層の形成方法及び半導体装置の製造方法、並びに半導体装置
US8237530B2 (en) * 2009-08-10 2012-08-07 Volterra Semiconductor Corporation Coupled inductor with improved leakage inductance control
EP1901539A1 (de) * 2006-09-13 2008-03-19 Ycl Electronics Co., Ltd. DSL Verteiler
EP2175667B1 (de) * 2008-10-10 2014-01-01 Alcatel Lucent Universal-ISDN/POTS-Splitter
CN102301435B (zh) * 2009-07-15 2014-12-24 脉冲电子(新加坡)私人有限公司 基底电感装置与方法
US9019063B2 (en) 2009-08-10 2015-04-28 Volterra Semiconductor Corporation Coupled inductor with improved leakage inductance control
US9584187B2 (en) * 2012-10-15 2017-02-28 Broadcom Corporation Non-interruptive filtering of transmission line communications

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3546571A (en) * 1968-06-21 1970-12-08 Varo Constant voltage ferroresonant transformer utilizing unequal area core structure
EP0005386A1 (de) * 1978-04-06 1979-11-14 SAT (Société Anonyme de Télécommunications),Société Anonyme Induktanz mit Ferritschalenkern und Verfahren zum Einstellen des magnetsichen Widerstands des Kerns
EP0757364A2 (de) * 1995-08-01 1997-02-05 Deutsche Thomson-Brandt Gmbh Transformator
JPH11195541A (ja) * 1998-01-06 1999-07-21 Fuji Elelctrochem Co Ltd リニアリティコイル
US6212259B1 (en) * 1998-11-19 2001-04-03 Excelsus Technologies, Inc. Impedance blocking filter circuit
US20020033747A1 (en) * 2000-08-04 2002-03-21 Tokin Corporation Inductance component having a permanent magnet in the vicinity of a magnetic gap

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4138636A (en) * 1977-06-13 1979-02-06 Zenith Radio Corporation Voltage regulating transformer having EI laminations and two center legs of different reluctance
US4874990A (en) * 1988-08-22 1989-10-17 Qse Sales & Management, Inc. Notch gap transformer and lighting system incorporating same
US5289359A (en) * 1991-02-13 1994-02-22 Charles Industries, Limited DC-DC power converter including sensing means for providing an output when the reserve power of the converter falls below a predetermined amount for a given input voltage

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3546571A (en) * 1968-06-21 1970-12-08 Varo Constant voltage ferroresonant transformer utilizing unequal area core structure
EP0005386A1 (de) * 1978-04-06 1979-11-14 SAT (Société Anonyme de Télécommunications),Société Anonyme Induktanz mit Ferritschalenkern und Verfahren zum Einstellen des magnetsichen Widerstands des Kerns
EP0757364A2 (de) * 1995-08-01 1997-02-05 Deutsche Thomson-Brandt Gmbh Transformator
JPH11195541A (ja) * 1998-01-06 1999-07-21 Fuji Elelctrochem Co Ltd リニアリティコイル
US6212259B1 (en) * 1998-11-19 2001-04-03 Excelsus Technologies, Inc. Impedance blocking filter circuit
US20020033747A1 (en) * 2000-08-04 2002-03-21 Tokin Corporation Inductance component having a permanent magnet in the vicinity of a magnetic gap

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2004027793A1 *

Also Published As

Publication number Publication date
CN1695212A (zh) 2005-11-09
WO2004027793A1 (en) 2004-04-01
EP1540675A1 (de) 2005-06-15
AU2002341687A1 (en) 2004-04-08

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