FI87853C - Keramiskt spaerrfilter - Google Patents
Keramiskt spaerrfilter Download PDFInfo
- Publication number
- FI87853C FI87853C FI911797A FI911797A FI87853C FI 87853 C FI87853 C FI 87853C FI 911797 A FI911797 A FI 911797A FI 911797 A FI911797 A FI 911797A FI 87853 C FI87853 C FI 87853C
- Authority
- FI
- Finland
- Prior art keywords
- resonators
- filter
- conductive
- coupling
- ceramic barrier
- Prior art date
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
- H01P1/213—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
-
- 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)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI911797A FI87853C (fi) | 1991-04-12 | 1991-04-12 | Keramiskt spaerrfilter |
US07/861,080 US5307036A (en) | 1989-06-09 | 1992-03-31 | Ceramic band-stop filter |
AU13982/92A AU1398292A (en) | 1991-04-12 | 1992-04-02 | Ceramic band-stop filter |
CA002065207A CA2065207A1 (en) | 1991-04-12 | 1992-04-06 | Ceramic band-stop filter |
DE1992606661 DE69206661T2 (de) | 1991-04-12 | 1992-04-08 | Keramisches Filter |
EP19920303092 EP0508734B1 (de) | 1991-04-12 | 1992-04-08 | Keramisches Filter |
DK92303092T DK0508734T3 (da) | 1991-04-12 | 1992-04-08 | Keramisk filter |
JP4090888A JPH05102705A (ja) | 1991-04-12 | 1992-04-10 | セラミツク製帯域消去フイルター |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI911797A FI87853C (fi) | 1991-04-12 | 1991-04-12 | Keramiskt spaerrfilter |
FI911796A FI86673C (fi) | 1991-04-12 | 1991-04-12 | Keramiskt duplexfilter. |
FI911796 | 1991-04-12 | ||
FI911797 | 1991-04-12 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI911797A0 FI911797A0 (fi) | 1991-04-12 |
FI87853B FI87853B (fi) | 1992-11-13 |
FI87853C true FI87853C (fi) | 1993-02-25 |
Family
ID=26158937
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI911797A FI87853C (fi) | 1989-06-09 | 1991-04-12 | Keramiskt spaerrfilter |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0508734B1 (de) |
JP (1) | JPH05102705A (de) |
AU (1) | AU1398292A (de) |
CA (1) | CA2065207A1 (de) |
DE (1) | DE69206661T2 (de) |
DK (1) | DK0508734T3 (de) |
FI (1) | FI87853C (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6008707A (en) * | 1993-11-18 | 1999-12-28 | Murata Manufacturing Co., Ltd. | Antenna duplexer |
JP3230353B2 (ja) * | 1993-11-18 | 2001-11-19 | 株式会社村田製作所 | アンテナ共用器 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6152003A (ja) * | 1984-08-21 | 1986-03-14 | Murata Mfg Co Ltd | 誘電体フイルタ |
JPH0713284Y2 (ja) * | 1987-09-21 | 1995-03-29 | 株式会社村田製作所 | 一体成形型誘電体フィルタの共振周波数調整構造 |
JPH01103001A (ja) * | 1987-10-15 | 1989-04-20 | Murata Mfg Co Ltd | 誘電体フィルタ |
US5103197A (en) * | 1989-06-09 | 1992-04-07 | Lk-Products Oy | Ceramic band-pass filter |
-
1991
- 1991-04-12 FI FI911797A patent/FI87853C/fi not_active IP Right Cessation
-
1992
- 1992-04-02 AU AU13982/92A patent/AU1398292A/en not_active Abandoned
- 1992-04-06 CA CA002065207A patent/CA2065207A1/en not_active Abandoned
- 1992-04-08 EP EP19920303092 patent/EP0508734B1/de not_active Expired - Lifetime
- 1992-04-08 DE DE1992606661 patent/DE69206661T2/de not_active Expired - Fee Related
- 1992-04-08 DK DK92303092T patent/DK0508734T3/da active
- 1992-04-10 JP JP4090888A patent/JPH05102705A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DK0508734T3 (da) | 1996-01-22 |
EP0508734B1 (de) | 1995-12-13 |
FI911797A0 (fi) | 1991-04-12 |
CA2065207A1 (en) | 1992-10-13 |
EP0508734A1 (de) | 1992-10-14 |
DE69206661T2 (de) | 1996-05-30 |
JPH05102705A (ja) | 1993-04-23 |
DE69206661D1 (de) | 1996-01-25 |
AU1398292A (en) | 1992-10-15 |
FI87853B (fi) | 1992-11-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |