AU2002341687A1 - Controlled inductance device and method - Google Patents

Controlled inductance device and method

Info

Publication number
AU2002341687A1
AU2002341687A1 AU2002341687A AU2002341687A AU2002341687A1 AU 2002341687 A1 AU2002341687 A1 AU 2002341687A1 AU 2002341687 A AU2002341687 A AU 2002341687A AU 2002341687 A AU2002341687 A AU 2002341687A AU 2002341687 A1 AU2002341687 A1 AU 2002341687A1
Authority
AU
Australia
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.)
Abandoned
Application number
AU2002341687A
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
Excelsus Technologies 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 Excelsus Technologies Inc filed Critical Excelsus Technologies Inc
Publication of AU2002341687A1 publication Critical patent/AU2002341687A1/en
Abandoned 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
AU2002341687A 2002-09-17 2002-09-17 Controlled inductance device and method Abandoned AU2002341687A1 (en)

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 (1)

Publication Number Publication Date
AU2002341687A1 true AU2002341687A1 (en) 2004-04-08

Family

ID=32028450

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002341687A Abandoned AU2002341687A1 (en) 2002-09-17 2002-09-17 Controlled inductance device and method

Country Status (4)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000223419A (en) 1998-06-30 2000-08-11 Sony Corp Method of forming single crystal silicon layer, and semiconductor device and manufacture thereof
US8237530B2 (en) * 2009-08-10 2012-08-07 Volterra Semiconductor Corporation Coupled inductor with improved leakage inductance control
EP1901539A1 (en) * 2006-09-13 2008-03-19 Ycl Electronics Co., Ltd. DSL splitter
EP2175667B1 (en) * 2008-10-10 2014-01-01 Alcatel Lucent Universal ISDN/POTS splitter
CN102301435B (en) * 2009-07-15 2014-12-24 脉冲电子(新加坡)私人有限公司 Substrate Inductive Devices And Methods
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

Family Cites Families (9)

* 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
US4138636A (en) * 1977-06-13 1979-02-06 Zenith Radio Corporation Voltage regulating transformer having EI laminations and two center legs of different reluctance
FR2422235A1 (en) * 1978-04-06 1979-11-02 Telecommunications Sa NEW MAGNETIC FERRITE CIRCUIT AND METHOD FOR ADJUSTING THIS CIRCUIT
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
DE19528185A1 (en) * 1995-08-01 1997-02-06 Thomson Brandt Gmbh transformer
JP3263022B2 (en) * 1998-01-06 2002-03-04 エフ・ディ−・ケイ株式会社 Linearity coil
US6212259B1 (en) * 1998-11-19 2001-04-03 Excelsus Technologies, Inc. Impedance blocking filter circuit
US6778056B2 (en) * 2000-08-04 2004-08-17 Nec Tokin Corporation Inductance component having a permanent magnet in the vicinity of a magnetic gap

Also Published As

Publication number Publication date
EP1540675A1 (en) 2005-06-15
WO2004027793A1 (en) 2004-04-01
CN1695212A (en) 2005-11-09
EP1540675A4 (en) 2009-11-11

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase