EP1540675A4 - Einrichtung und verfahren für gesteuerte induktivität - Google Patents
Einrichtung und verfahren für gesteuerte induktivitätInfo
- 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- Withdrawn
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)
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)
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)
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)
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 |
-
2002
- 2002-09-17 AU AU2002341687A patent/AU2002341687A1/en not_active Abandoned
- 2002-09-17 WO PCT/US2002/029480 patent/WO2004027793A1/en not_active Application Discontinuation
- 2002-09-17 CN CN02829883.7A patent/CN1695212A/zh active Pending
- 2002-09-17 EP EP02775837A patent/EP1540675A4/de not_active Withdrawn
Patent Citations (6)
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)
Title |
---|
See also references of WO2004027793A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN1695212A (zh) | 2005-11-09 |
AU2002341687A1 (en) | 2004-04-08 |
WO2004027793A1 (en) | 2004-04-01 |
EP1540675A1 (de) | 2005-06-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20050316 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO SI |
|
DAX | Request for extension of the european patent (deleted) | ||
RIC1 | Information provided on ipc code assigned before grant |
Ipc: H01F 3/14 20060101ALI20090903BHEP Ipc: H01F 17/04 20060101AFI20090903BHEP |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20090909 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
17Q | First examination report despatched |
Effective date: 20110215 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20110628 |