EP0324512A3 - A dielectric filter - Google Patents

A dielectric filter Download PDF

Info

Publication number: EP0324512A3
Authority: EP; European Patent Office
Prior art keywords: dielectric filter; dielectric; filter
Prior art date: 1982-05-10
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

EP89102782A

Other versions

EP0324512B1 (en

EP0324512A2 (en

Inventor

Atsushi Oki Electric Industry Co. Ltd. Fukasawa

Kenichiro Oki Electric Industry Co. Ltd. Hosoda

Takuro Oki Electric Industry Co. Ltd. Sato

Tatumasa Electric Industry Co. Ltd. Yoshida

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.)

Oki Electric Industry Co Ltd

Original Assignee

Oki Electric Industry Co Ltd

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.)

1982-05-10

Filing date

1983-04-27

Publication date

1989-07-26

1982-05-10 Priority claimed from JP7656682A external-priority patent/JPS58194403A/en

1982-05-10 Priority claimed from JP57076565A external-priority patent/JPS58194402A/en

1983-04-27 Application filed by Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd

1983-04-27 Priority claimed from EP83104137A external-priority patent/EP0093956B1/en

1989-07-19 Publication of EP0324512A2 publication Critical patent/EP0324512A2/en

1989-07-26 Publication of EP0324512A3 publication Critical patent/EP0324512A3/en

1994-11-02 Application granted granted Critical

1994-11-02 Publication of EP0324512B1 publication Critical patent/EP0324512B1/en

2003-04-27 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/201—Filters for transverse electromagnetic waves
- H01P1/205—Comb or interdigital filters; Cascaded coaxial cavities
- H01P1/2056—Comb filters or interdigital filters with metallised resonator holes in a dielectric block

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Control Of Motors That Do Not Use Commutators (AREA)

EP89102782A 1982-05-10 1983-04-27 A dielectric filter Expired - Lifetime EP0324512B1 (en)

Applications Claiming Priority (5)

Application Number	Priority Date	Filing Date	Title
JP76565/82		1982-05-10
JP7656682A JPS58194403A (en)	1982-05-10	1982-05-10	Dielectric filter
JP57076565A JPS58194402A (en)	1982-05-10	1982-05-10	Dielectric filter
JP76566/82		1982-05-10
EP83104137A EP0093956B1 (en)	1982-05-10	1983-04-27	A dielectric filter

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
EP83104137.1 Division		1983-04-27

Publications (3)

Publication Number	Publication Date
EP0324512A2 EP0324512A2 (en)	1989-07-19
EP0324512A3 true EP0324512A3 (en)	1989-07-26
EP0324512B1 EP0324512B1 (en)	1994-11-02

Family

ID=27226186

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP89102782A Expired - Lifetime EP0324512B1 (en)	1982-05-10	1983-04-27	A dielectric filter

Country Status (1)

Country	Link
EP (1)	EP0324512B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2283856B (en) *	1990-04-05	1995-09-20	Gen Electric	Microwave component having tailored operating characteristics and method of tailoring
GB2284095B (en) *	1990-04-05	1995-09-20	Gen Electric	Microwave component having tailored operating characteristics and method of tailoring
US11862835B2 (en)	2020-08-13	2024-01-02	Cyntec Co., Ltd.	Dielectric filter with multilayer resonator

Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1228011B (en) *	1963-07-02	1966-11-03	Siemens Ag	Tunable band filter for very short electromagnetic waves
DE1929672A1 (en) *	1969-06-11	1970-12-17	Siemens Ag	Network consisting of line elements for electrical oscillations
DE2805965A1 (en) *	1977-02-14	1978-08-17	Murata Manufacturing Co	INTERDIGITAL BANDPASS FILTER
WO1981001079A1 (en) *	1979-10-15	1981-04-16	Motorola Inc	Thin film structure for ceramic substrates
EP0028403A1 (en) *	1979-11-05	1981-05-13	CSELT Centro Studi e Laboratori Telecomunicazioni S.p.A.	Stub for matching microstrip circuits
EP0038996A1 (en) *	1980-04-28	1981-11-04	Oki Electric Industry Company, Limited	A high frequency filter
EP0069651A1 (en) *	1981-07-07	1983-01-12	Thomson-Csf	Resonator filter with an adjustable pole in infinite attenuation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5657302A (en) *	1979-10-15	1981-05-19	Murata Mfg Co Ltd	Microwave device using coaxial resonator

1983
- 1983-04-27 EP EP89102782A patent/EP0324512B1/en not_active Expired - Lifetime

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1228011B (en) *	1963-07-02	1966-11-03	Siemens Ag	Tunable band filter for very short electromagnetic waves
DE1929672A1 (en) *	1969-06-11	1970-12-17	Siemens Ag	Network consisting of line elements for electrical oscillations
DE2805965A1 (en) *	1977-02-14	1978-08-17	Murata Manufacturing Co	INTERDIGITAL BANDPASS FILTER
WO1981001079A1 (en) *	1979-10-15	1981-04-16	Motorola Inc	Thin film structure for ceramic substrates
EP0028403A1 (en) *	1979-11-05	1981-05-13	CSELT Centro Studi e Laboratori Telecomunicazioni S.p.A.	Stub for matching microstrip circuits
EP0038996A1 (en) *	1980-04-28	1981-11-04	Oki Electric Industry Company, Limited	A high frequency filter
EP0069651A1 (en) *	1981-07-07	1983-01-12	Thomson-Csf	Resonator filter with an adjustable pole in infinite attenuation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 5, no. 117 (E-67)[789], 28th July 1981; & JP-A-56 057 302 (MURATA SEISAKUSHO K.K.) 19-05-1981 *

Also Published As

Publication number	Publication date
EP0324512B1 (en)	1994-11-02
EP0324512A2 (en)	1989-07-19

Legal Events

Date	Code	Title	Description
1989-06-03	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
1989-06-08	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1989-07-19	AC	Divisional application: reference to earlier application	Ref document number: 93956 Country of ref document: EP
1989-07-19	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB NL SE
1989-07-26	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB NL SE
1989-11-08	17P	Request for examination filed	Effective date: 19890908
1992-05-06	17Q	First examination report despatched	Effective date: 19920323
1994-09-16	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1994-11-02	AC	Divisional application: reference to earlier application	Ref document number: 93956 Country of ref document: EP
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1994-12-08	REF	Corresponds to:	Ref document number: 3382762 Country of ref document: DE Date of ref document: 19941208
1995-02-17	ET	Fr: translation filed
1995-09-02	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1995-09-02	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1995-10-25	26N	No opposition filed
1998-04-09	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 19980409 Year of fee payment: 16
1998-04-16	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: SE Payment date: 19980416 Year of fee payment: 16
1998-04-20	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 19980420 Year of fee payment: 16
1998-04-28	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: NL Payment date: 19980428 Year of fee payment: 16
1998-05-04	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 19980504 Year of fee payment: 16
1999-04-27	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: 19990427
1999-04-28	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: SE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19990428
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1999-12-15	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 19990427
1999-12-31	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: 19991231
2000-01-03	NLV4	Nl: lapsed or anulled due to non-payment of the annual fee	Effective date: 19991101
2000-01-10	EUG	Se: european patent has lapsed	Ref document number: 89102782.3
2000-01-28	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST
2000-03-01	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: 20000301

Publication	Publication Date	Title
DE3380549D1 (en)	1989-10-12	A dielectric filter
GB2082398B (en)	1984-07-25	Dielectric filter
GB2163606B (en)	1989-01-11	Dielectric filter
GB2105918B (en)	1985-04-03	Dielectric filter
GB8300812D0 (en)	1983-02-16	Filter assembly
DE3377769D1 (en)	1988-09-29	Filter
GB8308173D0 (en)	1983-05-05	Filters
GB8320901D0 (en)	1983-09-07	Filter devices
EP0094165A3 (en)	1985-06-12	Filters
GB2120488B (en)	1985-08-29	Band-pass filter
GB8333350D0 (en)	1984-01-18	Filter
GB2119670B (en)	1985-10-23	Continuous filter
GB2118794B (en)	1986-04-23	Filter
PT76503A (en)	1983-05-01	Cigarrette filter
AR243339A1 (en)	1993-08-31	Filter
GB2125704B (en)	1986-03-26	A filtering device
GB2119675B (en)	1985-10-30	Filters
KR860002324Y1 (en)	1986-09-20	Filtering devices
GB2119272B (en)	1986-03-05	Filter
GB2124920B (en)	1986-06-11	A filtering device
GB2132499B (en)	1986-08-28	Filter
DE3370592D1 (en)	1987-05-07	Press filter
EP0324512A3 (en)	1989-07-26	A dielectric filter
GB2130911B (en)	1987-01-14	Filter press
GB2128497B (en)	1986-03-05	Filter element