HK1007829A1 - Low-profile planar transformer for use in off-line switching power supplies - Google Patents

Low-profile planar transformer for use in off-line switching power supplies

Info

Publication number
HK1007829A1
HK1007829A1 HK98106877A HK98106877A HK1007829A1 HK 1007829 A1 HK1007829 A1 HK 1007829A1 HK 98106877 A HK98106877 A HK 98106877A HK 98106877 A HK98106877 A HK 98106877A HK 1007829 A1 HK1007829 A1 HK 1007829A1
Authority
HK
Hong Kong
Prior art keywords
low
switching power
power supplies
line switching
planar transformer
Prior art date
Application number
HK98106877A
Other languages
English (en)
Inventor
Alexander Estrov
Original Assignee
Multisource Tech 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
Priority claimed from US07/502,523 external-priority patent/US5010314A/en
Application filed by Multisource Tech Corp filed Critical Multisource Tech Corp
Publication of HK1007829A1 publication Critical patent/HK1007829A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/02—Coils wound on non-magnetic supports, e.g. formers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type 
    • H01F17/0006—Printed inductances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F19/00—Fixed transformers or mutual inductances of the signal type
    • H01F19/04—Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coils Or Transformers For Communication (AREA)
HK98106877A 1990-03-30 1998-06-26 Low-profile planar transformer for use in off-line switching power supplies HK1007829A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/502,523 US5010314A (en) 1990-03-30 1990-03-30 Low-profile planar transformer for use in off-line switching power supplies
US62554090A 1990-12-07 1990-12-07
PCT/US1991/001801 WO1991015861A1 (en) 1990-03-30 1991-03-18 Low-profile planar transformer for use in off-line switching power supplies

Publications (1)

Publication Number Publication Date
HK1007829A1 true HK1007829A1 (en) 1999-04-23

Family

ID=27054186

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98106877A HK1007829A1 (en) 1990-03-30 1998-06-26 Low-profile planar transformer for use in off-line switching power supplies

Country Status (5)

Country Link
EP (1) EP0476114B1 (de)
AU (1) AU7665091A (de)
DE (2) DE69117403T2 (de)
HK (1) HK1007829A1 (de)
WO (1) WO1991015861A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0608127A1 (de) * 1993-01-22 1994-07-27 AT&T Corp. Isolierungsanordnung für Magnetwindungen mit gestapelten flachen Leitern
US5754088A (en) * 1994-11-17 1998-05-19 International Business Machines Corporation Planar transformer and method of manufacture
GB9424349D0 (en) * 1994-12-02 1995-01-18 Measurement Tech Ltd Transformers
WO1997001177A1 (de) * 1995-06-22 1997-01-09 Vogt Electronic Ag Transformator für ein schaltnetzteil zum erzeugen einer selv-spannung
IT1304341B1 (it) * 1998-01-30 2001-03-15 Rgm Spa Trasformatore planare.
TW410353B (en) * 1998-02-13 2000-11-01 Thomson Brandt Gmbh Transformer
FR2802762A1 (fr) * 1999-12-17 2001-06-22 Microspire Composant inductif de faible epaisseur
IL136301A (en) 2000-05-22 2005-09-25 Payton Planar Magnetics Ltd Method of insulating a planar transformer printed circuit and lead frame windings forms
IL139714A0 (en) * 2000-11-15 2002-02-10 Payton Planar Magnetics Ltd A bobbin for hybrid coils in planar magnetic components
ITVI20010115A1 (it) * 2001-05-21 2002-11-21 Diego Ghiotto Sistema di costruzione di trasformatori di tipo planare per convertitori in akta fre
DE10148133A1 (de) * 2001-09-28 2003-04-24 Ascom Energy Systems Ag Bern Flachtransformator mit gesteckten Sekundärwicklungen
GB2456132B (en) * 2007-12-31 2009-11-25 Kuan Tech Low-profile planar transformer
US10062496B2 (en) 2015-02-26 2018-08-28 Lear Corporation Planar transformer

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3765082A (en) * 1972-09-20 1973-10-16 San Fernando Electric Mfg Method of making an inductor chip
US3848210A (en) * 1972-12-11 1974-11-12 Vanguard Electronics Miniature inductor
DE2917388A1 (de) * 1979-04-28 1980-11-06 Bosch Gmbh Robert Spulenanordnung mit mindestens einer spule und einem kern
CA1177127A (en) * 1980-11-14 1984-10-30 William H. Morong, Iii Miniaturized transformer construction
NL8105195A (nl) * 1981-11-17 1983-06-16 Philips Nv Inductieve inrichting.
JPS59189212U (ja) * 1983-05-18 1984-12-15 株式会社村田製作所 チツプ型インダクタ
DE3423139A1 (de) * 1983-06-23 1985-01-10 Murata Eria N.A., Inc., Marietta, Ga. Monolithische induktivitaet mit transformatoranwendungen
GB2163603A (en) * 1984-08-25 1986-02-26 Stc Plc Miniature transformer or choke
FR2615319B1 (fr) * 1987-05-15 1989-07-07 Bull Sa Transformateur a fort couplage adapte a un circuit d'alimentation a decoupage et circuit d'alimentation a decoupage comportant un tel transformateur
DE3718383A1 (de) * 1987-06-02 1988-12-15 Vacuumschmelze Gmbh Hochfrequenz-leistungsuebertrager
US4864486A (en) * 1988-07-29 1989-09-05 International Business Machines Corporation Plank and frame transformer
US4914561A (en) * 1989-02-03 1990-04-03 Eldec Corporation Dual transformer device for power converters

Also Published As

Publication number Publication date
AU7665091A (en) 1991-10-30
DE69117403D1 (de) 1996-04-04
DE9114783U1 (de) 1992-03-19
DE69117403T2 (de) 1996-09-05
EP0476114B1 (de) 1996-02-28
WO1991015861A1 (en) 1991-10-17
EP0476114A1 (de) 1992-03-25

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Legal Events

Date Code Title Description
PF Patent in force
PE Patent expired

Effective date: 20110317