JPH0626285B2 - 吸収材でライニングされた円錐フイード付き反射型マイクロ波アンテナ - Google Patents
吸収材でライニングされた円錐フイード付き反射型マイクロ波アンテナInfo
- Publication number
- JPH0626285B2 JPH0626285B2 JP59217212A JP21721284A JPH0626285B2 JP H0626285 B2 JPH0626285 B2 JP H0626285B2 JP 59217212 A JP59217212 A JP 59217212A JP 21721284 A JP21721284 A JP 21721284A JP H0626285 B2 JPH0626285 B2 JP H0626285B2
- Authority
- JP
- Japan
- Prior art keywords
- conical
- absorbent material
- conical feed
- plane
- antenna
- 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.)
- Expired - Lifetime
Links
- 239000006096 absorbing agent Substances 0.000 title description 10
- 239000000463 material Substances 0.000 claims description 35
- 230000002745 absorbent Effects 0.000 claims description 32
- 239000002250 absorbent Substances 0.000 claims description 32
- 239000011358 absorbing material Substances 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 16
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 4
- 230000010287 polarization Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 4
- 230000005684 electric field Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000000593 degrading effect Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
- H01Q19/13—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination
- H01Q19/132—Horn reflector antennas; Off-set feeding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
- H01Q17/001—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems for modifying the directional characteristic of an aerial
Landscapes
- Aerials With Secondary Devices (AREA)
- Waveguide Aerials (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US54239683A | 1983-10-17 | 1983-10-17 | |
| US542396 | 1983-10-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60103804A JPS60103804A (ja) | 1985-06-08 |
| JPH0626285B2 true JPH0626285B2 (ja) | 1994-04-06 |
Family
ID=24163654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59217212A Expired - Lifetime JPH0626285B2 (ja) | 1983-10-17 | 1984-10-16 | 吸収材でライニングされた円錐フイード付き反射型マイクロ波アンテナ |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0140598B1 (pt) |
| JP (1) | JPH0626285B2 (pt) |
| BR (1) | BR8405210A (pt) |
| CA (1) | CA1223345A (pt) |
| DE (1) | DE3476950D1 (pt) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5317328A (en) * | 1984-04-02 | 1994-05-31 | Gabriel Electronics Incorporated | Horn reflector antenna with absorber lined conical feed |
| GB9006752D0 (en) * | 1990-03-27 | 1990-05-23 | Ferguson Ltd | Microwave antenna unit |
| JP3006602U (ja) * | 1994-07-13 | 1995-01-31 | ダイワ精工株式会社 | 魚釣用両軸受型リール |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4012738A (en) * | 1961-01-31 | 1977-03-15 | The United States Of America As Represented By The Secretary Of The Navy | Combined layers in a microwave radiation absorber |
| US3936837A (en) * | 1975-02-25 | 1976-02-03 | The United States Of America As Represented By The Secretary Of The Navy | Corrugated horn fed offset paraboloidal reflector |
| FR2396435A1 (fr) * | 1977-06-28 | 1979-01-26 | Thomson Csf | Antenne a grand decouplage angulaire et a grande purete de polarisation |
| US4282530A (en) * | 1979-12-26 | 1981-08-04 | Bell Telephone Laboratories, Incorporated | Cylindrical paraboloid weather cover for a horn reflector antenna with wave absorbing means |
| US4410892A (en) * | 1981-05-26 | 1983-10-18 | Andrew Corporation | Reflector-type microwave antennas with absorber lined conical feed |
| US4423422A (en) * | 1981-08-10 | 1983-12-27 | Andrew Corporation | Diagonal-conical horn-reflector antenna |
-
1984
- 1984-10-04 EP EP19840306759 patent/EP0140598B1/en not_active Expired
- 1984-10-04 DE DE8484306759T patent/DE3476950D1/de not_active Expired
- 1984-10-16 JP JP59217212A patent/JPH0626285B2/ja not_active Expired - Lifetime
- 1984-10-16 BR BR8405210A patent/BR8405210A/pt unknown
- 1984-10-16 CA CA000465538A patent/CA1223345A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EP0140598A1 (en) | 1985-05-08 |
| DE3476950D1 (en) | 1989-04-06 |
| BR8405210A (pt) | 1985-08-27 |
| EP0140598B1 (en) | 1989-03-01 |
| CA1223345A (en) | 1987-06-23 |
| JPS60103804A (ja) | 1985-06-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |