EP0145245A3 - Core of a noise filter comprised of an amorphous alloy - Google Patents

Core of a noise filter comprised of an amorphous alloy Download PDF

Info

Publication number: EP0145245A3
Authority: EP; European Patent Office
Prior art keywords: core; amorphous alloy; noise filter; filter comprised; comprised
Prior art date: 1983-11-05
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

EP84307588A

Other versions

EP0145245B1 (en

EP0145245A2 (en

Inventor

Suguru Takayama

Masao Shigeta

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.)

TDK Corp

Original Assignee

TDK 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.)

1983-11-05

Filing date

1984-11-02

Publication date

1987-01-28

1983-11-05 Priority claimed from JP58206898A external-priority patent/JPS60100650A/en

1984-10-01 Priority claimed from JP59204141A external-priority patent/JPS6184357A/en

1984-11-02 Application filed by TDK Corp filed Critical TDK Corp

1984-11-02 Priority to EP90105789A priority Critical patent/EP0384491B1/en

1985-06-19 Publication of EP0145245A2 publication Critical patent/EP0145245A2/en

1987-01-28 Publication of EP0145245A3 publication Critical patent/EP0145245A3/en

1991-03-06 Application granted granted Critical

1991-03-06 Publication of EP0145245B1 publication Critical patent/EP0145245B1/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/147—Alloys characterised by their composition
- H01F1/153—Amorphous metallic alloys, e.g. glassy metals
- H01F1/15308—Amorphous metallic alloys, e.g. glassy metals based on Fe/Ni
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/04—Cores, Yokes, or armatures made from strips or ribbons

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Physics & Mathematics (AREA)
Electromagnetism (AREA)
Chemical & Material Sciences (AREA)
Dispersion Chemistry (AREA)
Soft Magnetic Materials (AREA)
Coils Or Transformers For Communication (AREA)

EP19840307588 1983-11-05 1984-11-02 Core of a noise filter comprised of an amorphous alloy Expired EP0145245B1 (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
EP90105789A EP0384491B1 (en)	1983-11-05	1984-11-02	Core of a noise filter comprised of an amorphous alloy

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
JP58206898A JPS60100650A (en)	1983-11-05	1983-11-05	Amorphous alloy with less deterioration in pulse resistance characteristic
JP206898/83		1983-11-05
JP204141/84		1984-10-01
JP59204141A JPS6184357A (en)	1984-10-01	1984-10-01	Amorphous alloy having less deterioration in pulse resistance characteristic

Related Child Applications (2)

Application Number	Title	Priority Date	Filing Date
EP90105789.3 Division-Into		1984-11-02
EP90105789A Division EP0384491B1 (en)	1983-11-05	1984-11-02	Core of a noise filter comprised of an amorphous alloy

Publications (3)

Publication Number	Publication Date
EP0145245A2 EP0145245A2 (en)	1985-06-19
EP0145245A3 true EP0145245A3 (en)	1987-01-28
EP0145245B1 EP0145245B1 (en)	1991-03-06

Family

ID=26514300

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
EP19840307588 Expired EP0145245B1 (en)	1983-11-05	1984-11-02	Core of a noise filter comprised of an amorphous alloy
EP90105789A Expired - Lifetime EP0384491B1 (en)	1983-11-05	1984-11-02	Core of a noise filter comprised of an amorphous alloy

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
EP90105789A Expired - Lifetime EP0384491B1 (en)	1983-11-05	1984-11-02	Core of a noise filter comprised of an amorphous alloy

Country Status (2)

Country	Link
EP (2)	EP0145245B1 (en)
DE (2)	DE3486331T2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3526047A1 (en) *	1985-07-20	1987-01-22	Vacuumschmelze Gmbh	CURRENT COMPENSATING RADIO INTERFERENCE THROTTLE
US4859256A (en) *	1986-02-24	1989-08-22	Kabushiki Kaisha Toshiba	High permeability amorphous magnetic material
FR2780853B1 (en)	1998-07-10	2000-09-22	Lucas Sa G	DISTRIBUTING MACHINE FOR FORAGE AND OTHER PRODUCTS FOR LIVESTOCK FEED
ES2185297T3 (en)	1998-07-10	2003-04-16	Lucas Sa G	DISTRIBUTING MACHINE OF FOOD TYPE AND OTHER PRODUCTS FOR THE FEEDING OF LIVESTOCK.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0055327B1 (en) *	1980-12-29	1984-08-08	Allied Corporation	Amorphous metal alloys having enhanced ac magnetic properties
EP0119432A2 (en) *	1983-03-16	1984-09-26	Allied Corporation	Amorphous alloys for electromagnetic devices

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS57190304A (en) *	1981-05-19	1982-11-22	Hitachi Metals Ltd	Magnetic material

1984
- 1984-11-02 EP EP19840307588 patent/EP0145245B1/en not_active Expired
- 1984-11-02 DE DE19843486331 patent/DE3486331T2/en not_active Expired - Fee Related
- 1984-11-02 EP EP90105789A patent/EP0384491B1/en not_active Expired - Lifetime
- 1984-11-02 DE DE8484307588T patent/DE3484231D1/en not_active Expired - Fee Related

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0055327B1 (en) *	1980-12-29	1984-08-08	Allied Corporation	Amorphous metal alloys having enhanced ac magnetic properties
EP0119432A2 (en) *	1983-03-16	1984-09-26	Allied Corporation	Amorphous alloys for electromagnetic devices

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENTS ABSTRACTS OF JAPAN, vol. 7, no. 36 (E-158)[1181], 15th February 1983; & JP-A-57 190 304 (HITACHI KINZOKU K.K.) 22-11-1982 *

Also Published As

Publication number	Publication date
DE3484231D1 (en)	1991-04-11
DE3486331T2 (en)	1995-04-06
EP0384491B1 (en)	1994-08-10
EP0384491A3 (en)	1991-01-09
EP0384491A2 (en)	1990-08-29
DE3486331D1 (en)	1994-09-15
EP0145245B1 (en)	1991-03-06
EP0145245A2 (en)	1985-06-19

Publication	Publication Date	Title
GB2143092B (en)	1986-08-20	Method of manufacturing a waveguide filter
EP0244044A3 (en)	1988-10-12	Acoustic filter
NZ221322A (en)	1989-03-29	Making a jointed magnetic core from amorphous metal strip
EP0146963A3 (en)	1988-03-16	Iir digital filter
EP0130477A3 (en)	1987-06-03	A method of forming an axle
GB8409566D0 (en)	1984-05-23	Amorphous wound core
GB8413843D0 (en)	1984-07-04	Core strip
GB8404432D0 (en)	1984-03-28	Fabricating cable core
GB2139008B (en)	1986-09-17	Amorphous wound core
GB8329034D0 (en)	1983-11-30	Magnetic cores
GB2088415B (en)	1983-10-26	Amorphous magnetic alloys
EP0114078A3 (en)	1987-12-02	An adaptive digital filter
EP0145245A3 (en)	1987-01-28	Core of a noise filter comprised of an amorphous alloy
DE3462639D1 (en)	1987-04-16	Compound-superconducting coil
GB8415004D0 (en)	1984-07-18	Perforated core
GB8423668D0 (en)	1984-10-24	Amorphous alloys
GB8405768D0 (en)	1984-04-11	Impulse noise reduction
GB8407916D0 (en)	1984-05-02	Interference filter
GB2167087B (en)	1989-02-01	Amorphous magnetic alloys
GB8315222D0 (en)	1983-07-06	Piece winding
GB8405767D0 (en)	1984-04-11	Impulse noise reduction
GB2145554B (en)	1987-10-28	A repeater-type sound reproducer
IL67957A0 (en)	1983-06-15	Sound reduction arrangement
GB8520401D0 (en)	1985-09-18	Magnetic filter
EP0106321A3 (en)	1986-08-27	Amorphous magnetic head and a method of manufacturing the same

Legal Events

Date	Code	Title	Description
1985-04-20	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
1985-06-19	AK	Designated contracting states	Designated state(s): DE FR GB
1986-12-10	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1987-01-28	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB
1987-09-16	17P	Request for examination filed	Effective date: 19870718
1989-05-03	17Q	First examination report despatched	Effective date: 19890322
1991-01-19	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1991-03-06	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE FR GB
1991-03-06	XX	Miscellaneous (additional remarks)	Free format text: TEILANMELDUNG 90105789.3 EINGEREICHT AM 02/11/84.
1991-04-11	REF	Corresponds to:	Ref document number: 3484231 Country of ref document: DE Date of ref document: 19910411
1991-07-05	ET	Fr: translation filed
1992-01-09	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1992-01-09	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1992-02-26	26N	No opposition filed
2002-01-01	REG	Reference to a national code	Ref country code: GB Ref legal event code: IF02
2002-10-30	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 20021030 Year of fee payment: 19
2002-11-07	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 20021107 Year of fee payment: 19
2002-11-08	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 20021108 Year of fee payment: 19
2003-11-02	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20031102
2004-06-02	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20040602
2004-06-23	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 20031102
2004-07-30	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20040730
2004-09-10	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST