JP2010522524A - 2つの周波数選択面を有する導体 - Google Patents
2つの周波数選択面を有する導体 Download PDFInfo
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- JP2010522524A JP2010522524A JP2010501248A JP2010501248A JP2010522524A JP 2010522524 A JP2010522524 A JP 2010522524A JP 2010501248 A JP2010501248 A JP 2010501248A JP 2010501248 A JP2010501248 A JP 2010501248A JP 2010522524 A JP2010522524 A JP 2010522524A
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- 239000004020 conductor Substances 0.000 title claims abstract description 13
- 238000010586 diagram Methods 0.000 description 6
- 238000003491 array Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
- H01Q21/0018—Space- fed arrays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
- H01Q15/0013—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
- H01Q15/0013—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective
- H01Q15/0026—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective said selective devices having a stacked geometry or having multiple layers
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/005—Antennas or antenna systems providing at least two radiating patterns providing two patterns of opposite direction; back to back antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
Landscapes
- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
Description
本出願は、米国特許法第119条(e)(1)に基づいて、2007年3月29日に出願された仮出願第60/908,712号に対する優先権を主張するものである。該仮出願の内容は、参考として本明細書中に援用される。
本発明は、一般的にアンテナに関し、特に、2つの周波数選択面を有する導体に関する。
異なる方向において独立した動作を提供することが可能なアンテナシステムは、長距離ポイントツーポイント用途のためのマイクロ波中継システム(主として、従来のシステムにおける埋設された光ファイバケーブルによって置き換えられる)と、さらに最近では、携帯電話またはセル式電話用のセクター化されたアンテナシステムとにおいて広く利用されている。異なる方向において独立した動作を提供することが可能なアンテナシステムは、一般的に大きく、機械的に複雑であり、パラボラ反射器(マイクロ波中継局におけるような)または複数の金属性構造体(セル式アンテナにおけるような)で構成される。同様に、平面アンテナは、航空機の外板上と、電子ビームのステアリング(steering)用の大規模なフェーズドアレイ構造において利用されている。平面アレイは、独立した動作が異なる方向において必要とされる用途では用いられていない。
本発明の好適な実施形態に従った、アンテナ反射器システムは、第一の周波数選択面(FSS)と、第二のFSSと、完全な電気伝導体とを含んでいる。FSS構造は多様であり、多くの形態をとり得るけれども、示される実装においては、第一のFSSと第二のFSSとの両方が、複数のホール(すなわち、メッシュ状)を有している。完全な電気伝導体は、第一のFSSと第二のFSSとの間に配置される。
ここで図面を、特に図1を参照すると、本発明の好適な実施形態に従った、複数の周波数選択面(FSS)を有するアンテナ反射器システムの図が描かれる。示されるように、両面のアンテナ反射器100は、FSS112とFSS115との間に配置された完全な電気伝導体(PEC)110を含んでいる。本明細書中で利用されるときに、PECは、最小限の抵抗によって表面電流を伝える任意の伝導平面として規定され、そしてFSSは、反射波が実質的に到来波と同位相であるように電磁波を反射するために、任意の手段を介して適切な電波インピーダンスを提供する任意の表面を規定される。プリント配線基板内の金属被覆(metallization)層はPECの例である。図1において、FSS115などのFSSは、メッシュを形成するために複数のホール120a〜120nなどのホールによってパターン化されたシールド平面(例えば、金属被覆層)によって実現される。
Claims (7)
- メッシュを形成するための複数のホールを有する第一の周波数選択面(FSS)と、
メッシュを形成するための複数のホールを有する第二のFSSと、
該第一のFSSと該第二のFSSとの間に配置された完全な電気伝導体と
を備える、アンテナ。 - 前記完全な電気伝導体は、最小限の抵抗によって表面電流を伝える任意の伝導平面である、請求項1に記載のアンテナ。
- 前記第一のFSSおよび前記第二のFSSは、反射波が実質的に到来波と同位相であるように電磁波を反射するために、電波インピーダンスを提供する任意の表面である、請求項1に記載のアンテナ。
- 前記完全な電気伝導体は、前記第一のFSSおよび前記第二のFSSに近接しているけれども、該第一のFSSおよび該第二のFSSと電気的に接触していない、請求項1に記載のアンテナ。
- 前記アンテナは、第一のアンテナパターンを生成する第一の高インピーダンス面に平行に近接して配置された第一のアンテナをさらに含む、請求項1に記載のアンテナ。
- 前記アンテナは、第二のアンテナパターンを生成する第二の高インピーダンス面に平行に近接して配置された第二のアンテナをさらに含む、請求項5に記載のアンテナ。
- 前記第一の高インピーダンス面および前記第二の高インピーダンス面は、同じ周波数または異なる周波数で共振することができる、請求項6に記載のアンテナ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US90871207P | 2007-03-29 | 2007-03-29 | |
US60/908,712 | 2007-03-29 | ||
PCT/US2008/058606 WO2008121789A1 (en) | 2007-03-29 | 2008-03-28 | Conductor having two frequency-selective surfaces |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010522524A true JP2010522524A (ja) | 2010-07-01 |
JP4982607B2 JP4982607B2 (ja) | 2012-07-25 |
Family
ID=39793392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010501248A Active JP4982607B2 (ja) | 2007-03-29 | 2008-03-28 | 2つの周波数選択面を有する導体 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7990328B2 (ja) |
EP (1) | EP2140520A4 (ja) |
JP (1) | JP4982607B2 (ja) |
KR (1) | KR20090126294A (ja) |
CN (1) | CN101689709A (ja) |
WO (1) | WO2008121789A1 (ja) |
Families Citing this family (18)
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US8421692B2 (en) | 2009-02-25 | 2013-04-16 | The Boeing Company | Transmitting power and data |
FR2959355B1 (fr) * | 2010-04-27 | 2012-08-17 | Inst Polytechnique Grenoble | Surface adaptee a filtrer une pluralite de bandes de frequences |
US8405548B2 (en) | 2010-08-05 | 2013-03-26 | Raytheon Company | Multi-orientation phased antenna array and associated method |
KR101916241B1 (ko) | 2012-03-12 | 2018-11-07 | 삼성전자주식회사 | 휴대용 단말기의 안테나 장치 |
CN102637962A (zh) * | 2012-04-27 | 2012-08-15 | 深圳光启创新技术有限公司 | 多天线组件其应用 |
CN102769201B (zh) * | 2012-06-29 | 2016-06-22 | 深圳光启创新技术有限公司 | 双频带通透波材料及其天线罩和天线系统 |
TWI545840B (zh) * | 2012-10-02 | 2016-08-11 | 仁寶電腦工業股份有限公司 | 具有頻率選擇結構的天線 |
US9622338B2 (en) | 2013-01-25 | 2017-04-11 | Laird Technologies, Inc. | Frequency selective structures for EMI mitigation |
EP2989442A4 (en) | 2013-07-09 | 2016-12-28 | Halliburton Energy Services Inc | INTEGRATED COMPUTING ELEMENTS HAVING SELECTIVE FREQUENCY SURFACE |
AU2013393870B2 (en) | 2013-07-09 | 2017-06-29 | Halliburton Energy Services, Inc. | Integrated computational elements with laterally-distributed spectral filters |
US9608321B2 (en) * | 2013-11-11 | 2017-03-28 | Gogo Llc | Radome having localized areas of reduced radio signal attenuation |
MX2016015788A (es) | 2014-06-13 | 2017-04-25 | Halliburton Energy Services Inc | Elemento computacional integrado con multiples superficies selectivas de frecuencia. |
CN204130704U (zh) * | 2014-09-15 | 2015-01-28 | 中兴通讯股份有限公司 | 一种镜面反射器和无线终端天线装置 |
DE102014016805A1 (de) * | 2014-11-08 | 2016-05-12 | Audi Ag | Radarsensor zur Verwendung an einem beweglichen Teil eines Kraftfahrzeugs, Kraftfahrzeug und Verfahren zum Betrieb eines Radarsensors |
WO2017019948A1 (en) * | 2015-07-30 | 2017-02-02 | Laird Technologies, Inc. | Frequency selective structures for emi mitigation |
CN105244619B (zh) * | 2015-11-12 | 2018-06-01 | 电子科技大学 | 双频带宽带频率选择表面 |
CN105870638B (zh) * | 2016-03-31 | 2018-11-06 | 北京环境特性研究所 | 一种基于分形单元的频率选择表面结构及窗口吸收体 |
CN107425290B (zh) * | 2017-09-05 | 2023-09-12 | 杭州泛利科技有限公司 | 一种双边陡降带宽可调频率选择表面 |
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- 2008-03-28 EP EP08732980A patent/EP2140520A4/en not_active Withdrawn
- 2008-03-28 JP JP2010501248A patent/JP4982607B2/ja active Active
- 2008-03-28 KR KR1020097020943A patent/KR20090126294A/ko active Search and Examination
- 2008-03-28 WO PCT/US2008/058606 patent/WO2008121789A1/en active Application Filing
- 2008-03-28 CN CN200880010363A patent/CN101689709A/zh active Pending
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Also Published As
Publication number | Publication date |
---|---|
JP4982607B2 (ja) | 2012-07-25 |
EP2140520A4 (en) | 2012-01-04 |
CN101689709A (zh) | 2010-03-31 |
EP2140520A1 (en) | 2010-01-06 |
KR20090126294A (ko) | 2009-12-08 |
WO2008121789A1 (en) | 2008-10-09 |
US20080238801A1 (en) | 2008-10-02 |
US7990328B2 (en) | 2011-08-02 |
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