KR20020009182A - 필터의 차폐장치 - Google Patents
필터의 차폐장치 Download PDFInfo
- Publication number
- KR20020009182A KR20020009182A KR1020000042670A KR20000042670A KR20020009182A KR 20020009182 A KR20020009182 A KR 20020009182A KR 1020000042670 A KR1020000042670 A KR 1020000042670A KR 20000042670 A KR20000042670 A KR 20000042670A KR 20020009182 A KR20020009182 A KR 20020009182A
- Authority
- KR
- South Korea
- Prior art keywords
- filter
- shielding device
- dielectric
- dielectric filter
- case
- 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.)
- Ceased
Links
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 6
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 229910018605 Ni—Zn Inorganic materials 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- 230000006866 deterioration Effects 0.000 abstract description 6
- 238000010030 laminating Methods 0.000 abstract description 2
- 239000004020 conductor Substances 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000007257 malfunction Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
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
-
- 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
-
- 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
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
Description
Claims (3)
- 유전체 필터에 있어서,상기 유전체 필터(100)를 덮도록 형성되는 지지면(210)의 일측에 유전체필터(100)의 개방면(140)과 일정 간격 이격되어 평행하게 위치토록 형성되는 반사면(220)의 내측에 전파흡수층(230)이 일체로 형성되는 것을 특징으로 하는 필터의 차폐장치
- 제 1항에 있어서, 상기 전파흡수층(230)은, 표면과 개방면(140)의 거리가 동일하게 형성토록 설치되는 것을 특징으로 하는 필터의 차폐장치
- 제 1항에 있어서, 상기 전파흡수층(230)은, 페라이트-러버의 복합체 또는 스피넬구조의 Ni-Zn 페라이트중 어느 하나가 사용토록 되는 것을 특징으로 하는 필터의 차폐장치
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000042670A KR20020009182A (ko) | 2000-07-25 | 2000-07-25 | 필터의 차폐장치 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000042670A KR20020009182A (ko) | 2000-07-25 | 2000-07-25 | 필터의 차폐장치 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20020009182A true KR20020009182A (ko) | 2002-02-01 |
Family
ID=19679751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020000042670A Ceased KR20020009182A (ko) | 2000-07-25 | 2000-07-25 | 필터의 차폐장치 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR20020009182A (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030075493A (ko) * | 2002-03-19 | 2003-09-26 | (주)에드모텍 | 전계 결합조절 기능을 갖는 유전체 필터 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59114904A (ja) * | 1982-12-21 | 1984-07-03 | Fujitsu Ltd | 誘電体フイルタ |
| JPS6253502A (ja) * | 1985-09-03 | 1987-03-09 | Tokyo Keiki Co Ltd | 超高周波フイルタの構造 |
| JPH04239202A (ja) * | 1991-01-14 | 1992-08-27 | Matsushita Electric Works Ltd | マイクロ波回路 |
| JPH0846406A (ja) * | 1994-07-27 | 1996-02-16 | Fuji Elelctrochem Co Ltd | 誘電体フィルタ及びその誘電体フィルタにおける電波吸収構造 |
| KR19980080703A (ko) * | 1997-03-26 | 1998-11-25 | 무라따미치히로 | 유전체 공진기, 유전체 필터, 공용기 및 통신기 장치 |
-
2000
- 2000-07-25 KR KR1020000042670A patent/KR20020009182A/ko not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59114904A (ja) * | 1982-12-21 | 1984-07-03 | Fujitsu Ltd | 誘電体フイルタ |
| JPS6253502A (ja) * | 1985-09-03 | 1987-03-09 | Tokyo Keiki Co Ltd | 超高周波フイルタの構造 |
| JPH04239202A (ja) * | 1991-01-14 | 1992-08-27 | Matsushita Electric Works Ltd | マイクロ波回路 |
| JPH0846406A (ja) * | 1994-07-27 | 1996-02-16 | Fuji Elelctrochem Co Ltd | 誘電体フィルタ及びその誘電体フィルタにおける電波吸収構造 |
| KR19980080703A (ko) * | 1997-03-26 | 1998-11-25 | 무라따미치히로 | 유전체 공진기, 유전체 필터, 공용기 및 통신기 장치 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030075493A (ko) * | 2002-03-19 | 2003-09-26 | (주)에드모텍 | 전계 결합조절 기능을 갖는 유전체 필터 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20000725 |
|
| PA0201 | Request for examination | ||
| PG1501 | Laying open of application | ||
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20020619 Patent event code: PE09021S01D |
|
| E601 | Decision to refuse application | ||
| PE0601 | Decision on rejection of patent |
Patent event date: 20021017 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20020619 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |