EP0609155A3 - Dispositif de blindage pour transformateur d'alimentation à découpage. - Google Patents

Dispositif de blindage pour transformateur d'alimentation à découpage. Download PDF

Info

Publication number: EP0609155A3
Authority: EP; European Patent Office
Prior art keywords: power supply; switching power; shielding device; supply transformer; transformer
Prior art date: 1989-12-01
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.): Granted

Application number

EP94400705A

Other languages

German (de)

English (en)

Other versions

EP0609155B1 (fr

EP0609155A2 (fr

Inventor

Jean-Yves Buatois

Jean-Michel Bouillot

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.)

Thomson Television Components France SA

Original Assignee

Orega Electronique et Mecanique

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.)

1989-12-01

Filing date

1990-11-28

Publication date

1994-12-14

1990-11-28 Application filed by Orega Electronique et Mecanique filed Critical Orega Electronique et Mecanique

1994-08-03 Publication of EP0609155A2 publication Critical patent/EP0609155A2/fr

1994-12-14 Publication of EP0609155A3 publication Critical patent/EP0609155A3/fr

1996-10-30 Application granted granted Critical

1996-10-30 Publication of EP0609155B1 publication Critical patent/EP0609155B1/fr

2010-11-28 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Classifications

- 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
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
- 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
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
- H01F27/363—Electric or magnetic shields or screens made of electrically conductive material
- 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
- H01F2005/022—Coils wound on non-magnetic supports, e.g. formers wound on formers with several winding chambers separated by flanges, e.g. for high voltage applications

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Insulators (AREA)
Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Electron Sources, Ion Sources (AREA)

EP94400705A 1989-12-01 1990-11-28 Dispositif de blindage pour transformateur d'alimentation à découpage Expired - Lifetime EP0609155B1 (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
FR8915884		1989-12-01
FR8915884A FR2655475B1 (fr)	1989-12-01	1989-12-01	Dispositif de blindage pour transformateur d'alimentation a decoupage.
EP90403369A EP0430802B1 (fr)	1989-12-01	1990-11-28	Dispositif de blindage pour transformateur d'alimentation à découpage

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
EP90403369.3 Division		1990-11-28

Publications (3)

Publication Number	Publication Date
EP0609155A2 EP0609155A2 (fr)	1994-08-03
EP0609155A3 true EP0609155A3 (fr)	1994-12-14
EP0609155B1 EP0609155B1 (fr)	1996-10-30

Family

ID=9388042

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
EP94400705A Expired - Lifetime EP0609155B1 (fr)	1989-12-01	1990-11-28	Dispositif de blindage pour transformateur d'alimentation à découpage
EP90403369A Expired - Lifetime EP0430802B1 (fr)	1989-12-01	1990-11-28	Dispositif de blindage pour transformateur d'alimentation à découpage

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
EP90403369A Expired - Lifetime EP0430802B1 (fr)	1989-12-01	1990-11-28	Dispositif de blindage pour transformateur d'alimentation à découpage

Country Status (5)

Country	Link
EP (2)	EP0609155B1 (fr)
DE (2)	DE69029045T2 (fr)
ES (2)	ES2088424T3 (fr)
FR (1)	FR2655475B1 (fr)
SG (2)	SG46710A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP3311391B2 (ja)	1991-09-13	2002-08-05	ヴィエルティーコーポレーション	漏洩インダクタンス低減トランス、これを用いた高周波回路及びパワーコンバータ並びにトランスにおける漏洩インダクタンスの低減方法
DE69631462D1 (de) *	1995-11-27	2004-03-11	Vlt Corp	Plattierung von permeablen Kernen
FR2756967B1 (fr) *	1996-12-09	1999-01-08	Thomson Television Components	Transformateur pour alimentation a haute frequence de decoupage

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1069711B (fr) *		1959-11-26
EP0081111A1 (fr) *	1981-12-04	1983-06-15	Licentia Patent-Verwaltungs-GmbH	Transformateur, en particulier pour un circuit d'alimentation du type d'accouplement dans un récepteur de télévision
EP0131700A2 (fr) *	1983-05-09	1985-01-23	Zanussi Elettromeccanica S.p.A.	Transformateur d'impulsions muni d'un noyau en ferrite

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH607264A5 (en) *	1975-05-23	1978-11-30	Landis & Gyr Ag	Instrument transformer with earthed screen between windings
DE2931382A1 (de) *	1979-08-02	1981-02-26	Bosch Gmbh Robert	Kurzschlussring-geber
DD200830A1 (de) *	1981-09-25	1983-06-15	Martin Dietrich	Hochspannungsabschirmelektrode
JPS61137309A (ja) *	1984-12-08	1986-06-25	Nissin Electric Co Ltd	ガス絶縁計器用変圧器

1989
- 1989-12-01 FR FR8915884A patent/FR2655475B1/fr not_active Expired - Lifetime
1990
- 1990-11-28 DE DE69029045T patent/DE69029045T2/de not_active Expired - Fee Related
- 1990-11-28 EP EP94400705A patent/EP0609155B1/fr not_active Expired - Lifetime
- 1990-11-28 EP EP90403369A patent/EP0430802B1/fr not_active Expired - Lifetime
- 1990-11-28 ES ES90403369T patent/ES2088424T3/es not_active Expired - Lifetime
- 1990-11-28 SG SG1996008990A patent/SG46710A1/en unknown
- 1990-11-28 SG SG1996004968A patent/SG46473A1/en unknown
- 1990-11-28 ES ES94400705T patent/ES2097613T3/es not_active Expired - Lifetime
- 1990-11-28 DE DE69027185T patent/DE69027185T2/de not_active Expired - Fee Related

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1069711B (fr) *		1959-11-26
EP0081111A1 (fr) *	1981-12-04	1983-06-15	Licentia Patent-Verwaltungs-GmbH	Transformateur, en particulier pour un circuit d'alimentation du type d'accouplement dans un récepteur de télévision
EP0131700A2 (fr) *	1983-05-09	1985-01-23	Zanussi Elettromeccanica S.p.A.	Transformateur d'impulsions muni d'un noyau en ferrite

Also Published As

Publication number	Publication date
EP0430802B1 (fr)	1996-05-29
DE69029045D1 (de)	1996-12-05
DE69027185T2 (de)	1996-11-07
FR2655475A1 (fr)	1991-06-07
EP0609155B1 (fr)	1996-10-30
SG46710A1 (en)	1998-02-20
ES2097613T3 (es)	1997-04-01
ES2088424T3 (es)	1996-08-16
EP0609155A2 (fr)	1994-08-03
DE69027185D1 (de)	1996-07-04
EP0430802A1 (fr)	1991-06-05
SG46473A1 (en)	1998-02-20
DE69029045T2 (de)	1997-09-25
FR2655475B1 (fr)	1992-02-21

Legal Events

Date	Code	Title	Description
1994-06-17	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
1994-08-03	AC	Divisional application: reference to earlier application	Ref document number: 430802 Country of ref document: EP
1994-08-03	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE DK ES FR GB IT SE
1994-08-10	ITCL	It: translation for ep claims filed	Representative=s name: JACOBACCI CASETTA & PERANI S.P.A.
1994-08-10	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: THOMSON TELEVISION COMPONENTS FRANCE
1994-10-26	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1994-12-14	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE DK ES FR GB IT SE
1995-06-28	17P	Request for examination filed	Effective date: 19950429
1995-09-20	17Q	First examination report despatched	Effective date: 19950803
1996-03-22	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
1996-04-25	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
1996-07-20	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
1996-09-13	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
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1996-10-30	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DK Effective date: 19961030
1996-11-21	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DK Payment date: 19961121 Year of fee payment: 7
1996-11-29	ITF	It: translation for a ep patent filed
1996-12-05	REF	Corresponds to:	Ref document number: 69029045 Country of ref document: DE Date of ref document: 19961205
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1997-02-12	GBT	Gb: translation of ep patent filed (gb section 77(6)(a)/1977)	Effective date: 19970121
1997-04-01	REG	Reference to a national code	Ref country code: ES Ref legal event code: FG2A Ref document number: 2097613 Country of ref document: ES Kind code of ref document: T3
1997-09-05	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1997-09-05	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1997-10-22	26N	No opposition filed
1997-11-26	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: SE Payment date: 19971126 Year of fee payment: 8
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