EP0318478A1 - Multiple resonator component-mountable filter. - Google Patents
Multiple resonator component-mountable filter.Info
- Publication number
- EP0318478A1 EP0318478A1 EP87903794A EP87903794A EP0318478A1 EP 0318478 A1 EP0318478 A1 EP 0318478A1 EP 87903794 A EP87903794 A EP 87903794A EP 87903794 A EP87903794 A EP 87903794A EP 0318478 A1 EP0318478 A1 EP 0318478A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- dielectric
- holes
- filter
- coupling
- conductive material
- 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.)
- Granted
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
-
- 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
- H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
- H01P1/2136—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies using comb or interdigital filters; using cascaded coaxial cavities
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Magnetic Heads (AREA)
Abstract
Description
Claims
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US890682 | 1986-07-25 | ||
US06/890,686 US4692726A (en) | 1986-07-25 | 1986-07-25 | Multiple resonator dielectric filter |
US06/890,682 US4716391A (en) | 1986-07-25 | 1986-07-25 | Multiple resonator component-mountable filter |
US890686 | 1986-07-25 | ||
PCT/US1987/001210 WO1988001104A1 (en) | 1986-07-25 | 1987-05-27 | Multiple resonator component-mountable filter |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0318478A1 true EP0318478A1 (en) | 1989-06-07 |
EP0318478A4 EP0318478A4 (en) | 1989-11-20 |
EP0318478B1 EP0318478B1 (en) | 1995-02-15 |
Family
ID=27128957
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87903794A Expired - Lifetime EP0318478B1 (en) | 1986-07-25 | 1987-05-27 | Multiple resonator component-mountable filter |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0318478B1 (en) |
JP (1) | JP2764903B2 (en) |
CN (1) | CN1011102B (en) |
AT (1) | ATE118653T1 (en) |
CA (1) | CA1277729C (en) |
DE (1) | DE3751062T2 (en) |
DK (1) | DK64488A (en) |
FI (1) | FI890243A0 (en) |
NO (1) | NO173413C (en) |
WO (1) | WO1988001104A1 (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK87157C (en) * | 1955-11-16 | 1959-04-13 | Kristian Jacobsen | Hinge. |
FR2610662B1 (en) * | 1986-12-27 | 1990-07-06 | Scharwaechter Gmbh Co Kg | REMOVABLE DOOR HINGE |
US5103197A (en) * | 1989-06-09 | 1992-04-07 | Lk-Products Oy | Ceramic band-pass filter |
JPH0338101A (en) * | 1989-07-04 | 1991-02-19 | Murata Mfg Co Ltd | High frequency coaxial resonator |
GB2236432B (en) * | 1989-09-30 | 1994-06-29 | Kyocera Corp | Dielectric filter |
US5045824A (en) * | 1990-09-04 | 1991-09-03 | Motorola, Inc. | Dielectric filter construction |
GB2263363B (en) * | 1992-01-07 | 1996-05-08 | Marconi Gec Ltd | Electrical filter |
US5405107A (en) * | 1992-09-10 | 1995-04-11 | Bruno; Joseph W. | Radar transmitting structures |
JPH0670301U (en) * | 1993-03-15 | 1994-09-30 | 日本電業工作株式会社 | Bandpass filter |
JP3158963B2 (en) * | 1995-05-31 | 2001-04-23 | 株式会社村田製作所 | Antenna duplexer |
KR100377513B1 (en) | 1998-11-10 | 2003-03-26 | 마쯔시다덴기산교 가부시키가이샤 | High-frequency radio circuit |
JP5906886B2 (en) * | 2012-03-29 | 2016-04-20 | 宇部興産株式会社 | Dielectric resonant component |
DE102014007927A1 (en) | 2014-05-27 | 2015-12-03 | Kathrein-Werke Kg | High frequency-tight housing, in particular high-frequency-proof filter housing |
EP3748766A4 (en) | 2018-01-31 | 2021-11-03 | KMW Inc. | Cavity filter |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60152102A (en) * | 1984-01-19 | 1985-08-10 | Murata Mfg Co Ltd | Distributed constant type filter |
GB2163606A (en) * | 1984-08-21 | 1986-02-26 | Murata Manufacturing Co | Dielectric filter |
GB2165098A (en) * | 1984-09-27 | 1986-04-03 | Motorola Inc | Radio frequency filters |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4431977A (en) * | 1982-02-16 | 1984-02-14 | Motorola, Inc. | Ceramic bandpass filter |
JPS59114902A (en) * | 1982-12-21 | 1984-07-03 | Fujitsu Ltd | Dielectric filter |
JPS60114004A (en) * | 1983-11-25 | 1985-06-20 | Murata Mfg Co Ltd | Dielectric coaxial resonator |
JPS60254802A (en) * | 1984-05-30 | 1985-12-16 | Murata Mfg Co Ltd | Distributed constant type filter |
JPH0624282B2 (en) * | 1986-07-16 | 1994-03-30 | 株式会社村田製作所 | Filter device |
-
1987
- 1987-05-27 AT AT87903794T patent/ATE118653T1/en not_active IP Right Cessation
- 1987-05-27 EP EP87903794A patent/EP0318478B1/en not_active Expired - Lifetime
- 1987-05-27 WO PCT/US1987/001210 patent/WO1988001104A1/en active IP Right Grant
- 1987-05-27 DE DE3751062T patent/DE3751062T2/en not_active Expired - Lifetime
- 1987-05-27 JP JP62503469A patent/JP2764903B2/en not_active Expired - Lifetime
- 1987-06-05 CA CA000538924A patent/CA1277729C/en not_active Expired - Lifetime
- 1987-07-24 CN CN87105317A patent/CN1011102B/en not_active Expired
-
1988
- 1988-02-09 DK DK064488A patent/DK64488A/en unknown
- 1988-03-23 NO NO881269A patent/NO173413C/en unknown
-
1989
- 1989-01-17 FI FI890243A patent/FI890243A0/en not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60152102A (en) * | 1984-01-19 | 1985-08-10 | Murata Mfg Co Ltd | Distributed constant type filter |
GB2163606A (en) * | 1984-08-21 | 1986-02-26 | Murata Manufacturing Co | Dielectric filter |
GB2165098A (en) * | 1984-09-27 | 1986-04-03 | Motorola Inc | Radio frequency filters |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN, vol. 9, no. 318 (E-366)[2041], 13th December 1985; & JP-A-60 152 102 (MURATA SEISAKUSHO K.K.) 10-08-1985 * |
See also references of WO8801104A1 * |
Also Published As
Publication number | Publication date |
---|---|
CA1277729C (en) | 1990-12-11 |
DK64488D0 (en) | 1988-02-09 |
CN1011102B (en) | 1991-01-02 |
JPH01503428A (en) | 1989-11-16 |
NO173413C (en) | 1993-12-08 |
NO881269D0 (en) | 1988-03-23 |
JP2764903B2 (en) | 1998-06-11 |
DK64488A (en) | 1988-02-11 |
DE3751062D1 (en) | 1995-03-23 |
FI890243A (en) | 1989-01-17 |
NO881269L (en) | 1988-03-23 |
NO173413B (en) | 1993-08-30 |
DE3751062T2 (en) | 1996-01-18 |
EP0318478A4 (en) | 1989-11-20 |
ATE118653T1 (en) | 1995-03-15 |
CN87105317A (en) | 1988-04-27 |
FI890243A0 (en) | 1989-01-17 |
WO1988001104A1 (en) | 1988-02-11 |
EP0318478B1 (en) | 1995-02-15 |
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Legal Events
Date | Code | Title | Description |
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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 |
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17P | Request for examination filed |
Effective date: 19881028 |
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AK | Designated contracting states |
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A4 | Supplementary search report drawn up and despatched |
Effective date: 19891120 |
|
17Q | First examination report despatched |
Effective date: 19920713 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
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ITF | It: translation for a ep patent filed |
Owner name: BARZANO' E ZANARDO ROMA S.P.A. |
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