DE3362672D1 - Low leakage field radio frequency choke - Google Patents
Low leakage field radio frequency chokeInfo
- Publication number
- DE3362672D1 DE3362672D1 DE8383105463T DE3362672T DE3362672D1 DE 3362672 D1 DE3362672 D1 DE 3362672D1 DE 8383105463 T DE8383105463 T DE 8383105463T DE 3362672 T DE3362672 T DE 3362672T DE 3362672 D1 DE3362672 D1 DE 3362672D1
- Authority
- DE
- Germany
- Prior art keywords
- low leakage
- leakage field
- windings
- radio frequency
- frequency choke
- 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
Links
- 238000004804 winding Methods 0.000 abstract 4
- 230000007704 transition Effects 0.000 abstract 2
- 239000007779 soft material Substances 0.000 abstract 1
- 230000001629 suppression Effects 0.000 abstract 1
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
- H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
- H01F17/062—Toroidal core with turns of coil around it
-
- 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
- H01F27/02—Casings
- H01F27/027—Casings specially adapted for combination of signal type inductors or transformers with electronic circuits, e.g. mounting on printed circuit boards
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Coils Or Transformers For Communication (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Coils Of Transformers For General Uses (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8383105463T DE3362672D1 (en) | 1982-06-02 | 1983-06-01 | Low leakage field radio frequency choke |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19823220737 DE3220737A1 (de) | 1982-06-02 | 1982-06-02 | Streufeldarme funk-entstoerdrossel |
DE8383105463T DE3362672D1 (en) | 1982-06-02 | 1983-06-01 | Low leakage field radio frequency choke |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3362672D1 true DE3362672D1 (en) | 1986-04-30 |
Family
ID=6165082
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19823220737 Withdrawn DE3220737A1 (de) | 1982-06-02 | 1982-06-02 | Streufeldarme funk-entstoerdrossel |
DE8383105463T Expired DE3362672D1 (en) | 1982-06-02 | 1983-06-01 | Low leakage field radio frequency choke |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19823220737 Withdrawn DE3220737A1 (de) | 1982-06-02 | 1982-06-02 | Streufeldarme funk-entstoerdrossel |
Country Status (5)
Country | Link |
---|---|
US (1) | US4578664A (de) |
EP (1) | EP0096808B1 (de) |
AT (1) | ATE18824T1 (de) |
DE (2) | DE3220737A1 (de) |
FI (1) | FI78189C (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8613314D0 (en) * | 1986-06-02 | 1986-07-09 | Era Patents Ltd | Microwave apparatus |
DE3811983A1 (de) * | 1988-04-11 | 1989-10-19 | Siemens Ag | Anordnung zum betrieb einer symmetrischen hochfrequenz-antenne |
DE3840523A1 (de) * | 1988-12-01 | 1990-06-07 | Vogt Electronic Ag | Mehrpolige entstoerdrossel fuer datenleitungen |
GB8928899D0 (en) * | 1989-12-21 | 1990-02-28 | Knowles Electronics Co | Coil assemblies |
FR2687831B1 (fr) * | 1992-02-24 | 1994-04-08 | Merlin Gerin | Transformateur en forme de tore pour capteur differentiel fonctionnant en classe a. |
JP3317045B2 (ja) * | 1994-10-14 | 2002-08-19 | 株式会社村田製作所 | コモンモードチョークコイル |
GB2336473A (en) * | 1998-04-15 | 1999-10-20 | Motorola Gmbh | An inductor |
DE19848827A1 (de) * | 1998-10-22 | 2000-05-04 | Vacuumschmelze Gmbh | Vorrichtung zur Dämpfung von Störspannungen |
US6507260B1 (en) * | 2000-04-27 | 2003-01-14 | Echelon Corporation | Electrical transformer for use with twisted pair |
US7307502B2 (en) * | 2003-07-16 | 2007-12-11 | Marvell World Trade Ltd. | Power inductor with reduced DC current saturation |
US7489219B2 (en) * | 2003-07-16 | 2009-02-10 | Marvell World Trade Ltd. | Power inductor with reduced DC current saturation |
US7023313B2 (en) * | 2003-07-16 | 2006-04-04 | Marvell World Trade Ltd. | Power inductor with reduced DC current saturation |
US7760525B2 (en) * | 2003-08-21 | 2010-07-20 | Marvell World Trade Ltd. | Voltage regulator |
US7872454B2 (en) * | 2003-08-21 | 2011-01-18 | Marvell World Trade Ltd. | Digital low dropout regulator |
US8324872B2 (en) * | 2004-03-26 | 2012-12-04 | Marvell World Trade, Ltd. | Voltage regulator with coupled inductors having high coefficient of coupling |
US7190152B2 (en) * | 2004-07-13 | 2007-03-13 | Marvell World Trade Ltd. | Closed-loop digital control system for a DC/DC converter |
DE102006043371B4 (de) * | 2006-09-15 | 2010-12-23 | Tq-Systems Gmbh | Elektrische Bauelemente mit verbesserter elektromagnetischer Verträglichkeit (EMV), insbesondere reduzierter elektromagnetischer Interferenzen (EMI) |
US9872109B2 (en) | 2014-12-17 | 2018-01-16 | Knowles Electronics, Llc | Shared coil receiver |
TW201624507A (zh) * | 2014-12-23 | 2016-07-01 | 台達電子工業股份有限公司 | 適用疊層繞法之磁性元件 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA642616A (en) * | 1962-06-12 | The English Electric Company Limited | Electrical inductors | |
US1897604A (en) * | 1930-09-23 | 1933-02-14 | Western Electric Co | Electromagnetic device |
US2216863A (en) * | 1934-08-31 | 1940-10-08 | Hartford Nat Bank & Trust Co | Molding |
US3068381A (en) * | 1956-05-17 | 1962-12-11 | Cie Ind Des Telephones | Manufacture of toroidal coils |
US3032729A (en) * | 1957-05-16 | 1962-05-01 | Phillips Petroleum Co | Temperature stable transformer |
US3027526A (en) * | 1957-12-23 | 1962-03-27 | Burroughs Corp | Magnetic core assembly |
FR1350868A (fr) * | 1962-12-21 | 1964-01-31 | Materiel Electrique S W Le | Tore isolé sur lequel sont bobinés au moins deux enroulements |
GB1105294A (en) * | 1965-07-02 | 1968-03-06 | Lucas Industries Ltd | Transformers |
DE2050312A1 (de) * | 1970-10-13 | 1972-04-20 | Siemens Ag | Mehrfachdrossel mit Dämpfung von symmetrischen Störströmen |
DE2228651C2 (de) * | 1972-06-13 | 1974-07-11 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Ringkernspule |
DE2825152C2 (de) * | 1978-06-08 | 1980-08-28 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Ringkernübertrager oder Ringkernspule mit Halterung |
-
1982
- 1982-06-02 DE DE19823220737 patent/DE3220737A1/de not_active Withdrawn
-
1983
- 1983-06-01 AT AT83105463T patent/ATE18824T1/de not_active IP Right Cessation
- 1983-06-01 DE DE8383105463T patent/DE3362672D1/de not_active Expired
- 1983-06-01 EP EP83105463A patent/EP0096808B1/de not_active Expired
- 1983-06-01 FI FI831974A patent/FI78189C/fi not_active IP Right Cessation
-
1985
- 1985-07-29 US US06/761,295 patent/US4578664A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE3220737A1 (de) | 1983-12-08 |
FI831974L (fi) | 1983-12-03 |
EP0096808B1 (de) | 1986-03-26 |
FI78189C (fi) | 1989-06-12 |
EP0096808A1 (de) | 1983-12-28 |
FI78189B (fi) | 1989-02-28 |
ATE18824T1 (de) | 1986-04-15 |
US4578664A (en) | 1986-03-25 |
FI831974A0 (fi) | 1983-06-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8339 | Ceased/non-payment of the annual fee |