EP0716435A4 - Transformateur a bobines imprimees - Google Patents

Transformateur a bobines imprimees

Info

Publication number: EP0716435A4
Authority: EP; European Patent Office
Prior art keywords: printed coil; coil transformer; transformer; printed; coil
Prior art date: 1994-06-29
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.): Ceased

Application number

EP95921971A

Other languages

German (de)

English (en)

Other versions

EP0716435A1 (fr

Inventor

Kiyoharu Inou

Hisanaga Takano

Humiatu Takahashi

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.)

Yokogawa Electric Corp

Original Assignee

Yokogawa Electric 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.)

1994-06-29

Filing date

1995-06-15

Publication date

1996-11-20

1995-06-15 Application filed by Yokogawa Electric Corp filed Critical Yokogawa Electric Corp

1996-06-12 Publication of EP0716435A1 publication Critical patent/EP0716435A1/fr

1996-11-20 Publication of EP0716435A4 publication Critical patent/EP0716435A4/fr

Status Ceased legal-status Critical Current

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
- 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

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Microelectronics & Electronic Packaging (AREA)
Coils Or Transformers For Communication (AREA)
Coils Of Transformers For General Uses (AREA)

EP95921971A 1994-06-29 1995-06-15 Transformateur a bobines imprimees Ceased EP0716435A4 (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP14770294		1994-06-29
JP147702/94		1994-06-29
PCT/JP1995/001195 WO1996000972A1 (fr)	1994-06-29	1995-06-15	Transformateur a bobines imprimees

Publications (2)

Publication Number	Publication Date
EP0716435A1 EP0716435A1 (fr)	1996-06-12
EP0716435A4 true EP0716435A4 (fr)	1996-11-20

Family

ID=15436322

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP95921971A Ceased EP0716435A4 (fr)	1994-06-29	1995-06-15	Transformateur a bobines imprimees

Country Status (3)

Country	Link
EP (1)	EP0716435A4 (fr)
TW (1)	TW436823B (fr)
WO (1)	WO1996000972A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE9704480L (sv) *	1997-08-25	1999-02-26	Kwang Ju Electronics Co Ltd	Strömövertonsdämpningsanordning i en motor
JPH11354315A (ja) *	1998-06-03	1999-12-24	Hitachi Metals Ltd	薄型フェライトコア
JP4472589B2 (ja) *	2005-06-28	2010-06-02	スミダコーポレーション株式会社	磁性素子
CN101090029B (zh) *	2006-06-12	2010-05-12	台达电子工业股份有限公司	变压器
JP2009059954A (ja) *	2007-08-31	2009-03-19	Hitachi Powdered Metals Co Ltd	ディスク型リアクトル
JP5247385B2 (ja) *	2008-12-01	2013-07-24	株式会社デンソー	リアクトル
FR3045921B1 (fr) *	2015-12-17	2019-07-12	Commissariat A L'energie Atomique Et Aux Energies Alternatives	Circuit a inductance integrant une fonction de gestion thermique passive
CN105374492B (zh) *	2015-12-23	2018-02-13	厦门新页科技有限公司	一种用于大气隙磁路的磁芯
CN105895326A (zh) *	2016-06-29	2016-08-24	南通华兴磁性材料有限公司	开关电源变压器磁芯

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2059166A (en) *	1979-05-24	1981-04-15	Kijima Musen Kk	Transformer for a blocking oscillator
GB2087656A (en) *	1980-11-14	1982-05-26	Analog Devices Inc	Miniaturized transformer construction
EP0068745A1 (fr) *	1981-06-19	1983-01-05	TDK Corporation	Noyaux de fer et dispositifs les utilisant
EP0245083A1 (fr) *	1986-05-07	1987-11-11	TDK Corporation	Noyau de ferrite et transformateur ou inducteur équipé d'un tel noyau
EP0267822A1 (fr) *	1986-10-15	1988-05-18	Electronique Serge Dassault	Transformateur haute fréquence avec enroulement en circuit imprimé, en particulier pour alimentation à très haute tension

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6025123U (ja) *	1983-07-26	1985-02-20	日本フェライト株式会社	フェライト磁心
EP0267108A1 (fr) *	1986-10-31	1988-05-11	Digital Equipment Corporation	Transformateur miniature
JPS63157913U (fr) *	1987-04-06	1988-10-17
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
JP2850144B2 (ja) *	1989-12-21	1999-01-27	ティーディーケイ株式会社	フェライトコア
JPH06333759A (ja) *	1993-05-24	1994-12-02	Yokogawa Electric Corp	プリントコイル形トランス

1995
- 1995-06-14 TW TW84106066A patent/TW436823B/zh not_active IP Right Cessation
- 1995-06-15 WO PCT/JP1995/001195 patent/WO1996000972A1/fr not_active Ceased
- 1995-06-15 EP EP95921971A patent/EP0716435A4/fr not_active Ceased

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2059166A (en) *	1979-05-24	1981-04-15	Kijima Musen Kk	Transformer for a blocking oscillator
GB2087656A (en) *	1980-11-14	1982-05-26	Analog Devices Inc	Miniaturized transformer construction
EP0068745A1 (fr) *	1981-06-19	1983-01-05	TDK Corporation	Noyaux de fer et dispositifs les utilisant
EP0245083A1 (fr) *	1986-05-07	1987-11-11	TDK Corporation	Noyau de ferrite et transformateur ou inducteur équipé d'un tel noyau
EP0267822A1 (fr) *	1986-10-15	1988-05-18	Electronique Serge Dassault	Transformateur haute fréquence avec enroulement en circuit imprimé, en particulier pour alimentation à très haute tension

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
"FX3700 series transformer cores and coil formers for SMPS", MULLARD TECHNICAL COMMUNICATIONS, JAN. 1975, UK, vol. 13, no. 125, ISSN 0027-3139, pages 225 - 228, XP002014291 *
CHONG H AHN: "A planar micromachined spiral inductor for integrated magnetic microactuator applications", JOURNAL OF MICROMECHANICS AND MICROENGINEERING, vol. 3, no. 2, June 1993 (1993-06-01), ATLANTA,USA, pages 37 - 44, XP002014204 *
R. SIBILLE: "Noyaux en ferrites pour alimentation a découpage", ONDE ELECTRIQUE, vol. 59, no. 12, December 1979 (1979-12-01), PARIS FR, pages 71 - 80, XP002014203 *
See also references of WO9600972A1 *

Also Published As

Publication number	Publication date
TW436823B (en)	2001-05-28
EP0716435A1 (fr)	1996-06-12
WO1996000972A1 (fr)	1996-01-11

Publication	Publication Date	Title
GB2296387B (en)	1999-10-13	Low profile inductor/transformer component
PL340675A1 (en)	2001-02-12	Transformer
GB2331852A9 (en)		Transformer winding arrangements
AP9901608A0 (en)	1999-09-30	Winding in transformer or inductor
GB9424349D0 (en)	1995-01-18	Transformers
GB2331854A9 (en)		Transformer
EP0835548A4 (fr)	1998-10-14	Transformateur a prises avec un circuit resonnant
TW346237U (en)	1998-11-21	Transformer coil
EP0782154A4 (fr)	1999-08-11	Transformateur plat
EP0716435A4 (fr)	1996-11-20	Transformateur a bobines imprimees
GB2298521B (en)	2000-03-29	Flyback transformers
GB2295728B (en)	1998-12-16	Transformers
GB9604134D0 (en)	1996-05-01	Flyback transformer
GB9505457D0 (en)	1995-05-03	Flyback transformer
EP0844626A4 (fr)	2000-03-29	Transformateur
EP0795184A4 (fr)	1998-12-16	Transformateur d'impulsions de forme plane
SG34964A1 (en)	1997-02-01	Flyback transformer
GB2300077B (en)	2000-03-22	Transformers
GB9420933D0 (en)	1994-11-30	Transformer means
PL56657Y1 (en)	1998-12-31	Transformer housing
LT95019A (en)	1996-09-25	Transformer
ZA97601B (en)	1997-07-30	Transformer
HU9800166V0 (en)	1998-08-28	Transformer coil
GB9413701D0 (en)	1994-08-24	Coil carrying flat
HU9200275V0 (en)	1993-05-28	Coil for transformers

Legal Events

Date	Code	Title	Description
1996-04-26	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
1996-06-12	17P	Request for examination filed	Effective date: 19960229
1996-06-12	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): DE
1996-11-20	A4	Supplementary search report drawn up and despatched	Effective date: 19961004
1996-11-20	AK	Designated contracting states	Kind code of ref document: A4 Designated state(s): DE
1999-03-24	17Q	First examination report despatched	Effective date: 19990210
1999-08-27	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
2000-05-26	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED
2000-07-12	18R	Application refused	Effective date: 20000228