DE69117403T2 - LOW-PROFILE FLAT TRANSFORMER FOR USE ON INDEPENDENTLY OPERATING SWITCHING POWER SUPPLIES - Google Patents

LOW-PROFILE FLAT TRANSFORMER FOR USE ON INDEPENDENTLY OPERATING SWITCHING POWER SUPPLIES

Info

Publication number
DE69117403T2
DE69117403T2 DE69117403T DE69117403T DE69117403T2 DE 69117403 T2 DE69117403 T2 DE 69117403T2 DE 69117403 T DE69117403 T DE 69117403T DE 69117403 T DE69117403 T DE 69117403T DE 69117403 T2 DE69117403 T2 DE 69117403T2
Authority
DE
Germany
Prior art keywords
low
switching power
power supplies
independently operating
operating switching
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 - Lifetime
Application number
DE69117403T
Other languages
German (de)
Other versions
DE69117403D1 (en
Inventor
Alexander Estrov
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.)
Multisource Technology Corp Boca Raton Fla Us
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 DE69117403D1 publication Critical patent/DE69117403D1/en
Application granted granted Critical
Publication of DE69117403T2 publication Critical patent/DE69117403T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
DE69117403T 1990-03-30 1991-03-18 LOW-PROFILE FLAT TRANSFORMER FOR USE ON INDEPENDENTLY OPERATING SWITCHING POWER SUPPLIES Expired - Lifetime DE69117403T2 (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 (2)

Publication Number Publication Date
DE69117403D1 DE69117403D1 (en) 1996-04-04
DE69117403T2 true DE69117403T2 (en) 1996-09-05

Family

ID=27054186

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69117403T Expired - Lifetime DE69117403T2 (en) 1990-03-30 1991-03-18 LOW-PROFILE FLAT TRANSFORMER FOR USE ON INDEPENDENTLY OPERATING SWITCHING POWER SUPPLIES
DE9114783U Expired - Lifetime DE9114783U1 (en) 1990-03-30 1991-03-18

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE9114783U Expired - Lifetime DE9114783U1 (en) 1990-03-30 1991-03-18

Country Status (5)

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

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0608127A1 (en) * 1993-01-22 1994-07-27 AT&T Corp. Insulation system for magnetic windings having stacked planar conductors
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 (en) * 1995-06-22 1997-01-09 Vogt Electronic Ag Selv-generating transformer for supply switches
IT1304341B1 (en) * 1998-01-30 2001-03-15 Rgm Spa PLANAR TRANSFORMER.
TW410353B (en) * 1998-02-13 2000-11-01 Thomson Brandt Gmbh Transformer
FR2802762A1 (en) * 1999-12-17 2001-06-22 Microspire LOW THICKNESS INDUCTIVE COMPONENT
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 (en) * 2001-05-21 2002-11-21 Diego Ghiotto BUILDING SYSTEM OF PLANAR TYPE TRANSFORMERS FOR AKTA FRE CONVERTERS
DE10148133A1 (en) * 2001-09-28 2003-04-24 Ascom Energy Systems Ag Bern Flat transformer with inserted secondary windings
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 (en) * 1979-04-28 1980-11-06 Bosch Gmbh Robert Flat transmitter coil unit - has thin film coil formed on ceramic former and with bridge section of ferrite material in middle
CA1177127A (en) * 1980-11-14 1984-10-30 William H. Morong, Iii Miniaturized transformer construction
NL8105195A (en) * 1981-11-17 1983-06-16 Philips Nv INDUCTIVE DEVICE.
JPS59189212U (en) * 1983-05-18 1984-12-15 株式会社村田製作所 chip type inductor
DE3423139A1 (en) * 1983-06-23 1985-01-10 Murata Eria N.A., Inc., Marietta, Ga. Monolithic inductor having transformer applications
GB2163603A (en) * 1984-08-25 1986-02-26 Stc Plc Miniature transformer or choke
FR2615319B1 (en) * 1987-05-15 1989-07-07 Bull Sa HIGH-COUPLING TRANSFORMER SUITABLE FOR A CUT-OUT POWER SUPPLY CIRCUIT AND CUT-OUT POWER SUPPLY CIRCUIT COMPRISING SUCH A TRANSFORMER
DE3718383A1 (en) * 1987-06-02 1988-12-15 Vacuumschmelze Gmbh HIGH FREQUENCY POWER TRANSMITTER
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
DE9114783U1 (en) 1992-03-19
DE69117403D1 (en) 1996-04-04
HK1007829A1 (en) 1999-04-23
AU7665091A (en) 1991-10-30
EP0476114B1 (en) 1996-02-28
WO1991015861A1 (en) 1991-10-17
EP0476114A1 (en) 1992-03-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MULTISOURCE TECHNOLOGY CORP., BOCA RATON, FLA., US