IL95519A - Two-layer compatible dielectrics for sleepers and lenses for wide impact angles - Google Patents

Two-layer compatible dielectrics for sleepers and lenses for wide impact angles

Info

Publication number
IL95519A
IL95519A IL9551990A IL9551990A IL95519A IL 95519 A IL95519 A IL 95519A IL 9551990 A IL9551990 A IL 9551990A IL 9551990 A IL9551990 A IL 9551990A IL 95519 A IL95519 A IL 95519A
Authority
IL
Israel
Prior art keywords
impedance matching
permittivity
matching layer
layer
dielectric medium
Prior art date
Application number
IL9551990A
Other languages
English (en)
Hebrew (he)
Original Assignee
Hughes Aircraft Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of IL95519A publication Critical patent/IL95519A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
    • H01Q1/422—Housings not intimately mechanically associated with radiating elements, e.g. radome comprising two or more layers of dielectric material
    • 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

Landscapes

  • Aerials With Secondary Devices (AREA)
  • Details Of Aerials (AREA)
  • Lenses (AREA)
IL9551990A 1989-09-26 1990-08-29 Two-layer compatible dielectrics for sleepers and lenses for wide impact angles IL95519A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/412,703 US5017939A (en) 1989-09-26 1989-09-26 Two layer matching dielectrics for radomes and lenses for wide angles of incidence

Publications (1)

Publication Number Publication Date
IL95519A true IL95519A (en) 1994-06-24

Family

ID=23634100

Family Applications (1)

Application Number Title Priority Date Filing Date
IL9551990A IL95519A (en) 1989-09-26 1990-08-29 Two-layer compatible dielectrics for sleepers and lenses for wide impact angles

Country Status (9)

Country Link
US (1) US5017939A (ko)
EP (1) EP0420137B1 (ko)
JP (1) JPH03119807A (ko)
KR (1) KR930008832B1 (ko)
AU (1) AU625586B2 (ko)
CA (1) CA2024118C (ko)
DE (1) DE69013839T2 (ko)
ES (1) ES2062243T3 (ko)
IL (1) IL95519A (ko)

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US5408244A (en) * 1991-01-14 1995-04-18 Norton Company Radome wall design having broadband and mm-wave characteristics
US5380566A (en) * 1993-06-21 1995-01-10 Applied Materials, Inc. Method of limiting sticking of body to susceptor in a deposition treatment
US5497169A (en) * 1993-07-15 1996-03-05 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Wide angle, single screen, gridded square-loop frequency selective surface for diplexing two closely separated frequency bands
US5563616A (en) * 1994-03-18 1996-10-08 California Microwave Antenna design using a high index, low loss material
JP3257383B2 (ja) * 1996-01-18 2002-02-18 株式会社村田製作所 誘電体レンズ装置
DE19722547A1 (de) * 1997-05-30 1998-12-03 Bosch Gmbh Robert Antenne zum Abstrahlen von hochfrequenten Funksignalen
FR2772520B1 (fr) * 1997-12-11 2000-01-14 Giat Ind Sa Materiau composite structural absorbant les ondes radar et utilisation d'un tel materiau
JP3779812B2 (ja) * 1998-03-31 2006-05-31 大阪瓦斯株式会社 地中推進工法における探査装置
US6081239A (en) * 1998-10-23 2000-06-27 Gradient Technologies, Llc Planar antenna including a superstrate lens having an effective dielectric constant
JP3566598B2 (ja) * 1999-09-30 2004-09-15 株式会社東芝 アンテナ装置
JP3613147B2 (ja) * 2000-06-22 2005-01-26 日本電気株式会社 アンテナ装置
KR100422537B1 (ko) * 2001-05-11 2004-03-12 현대자동차주식회사 차량 도난 방지 장치
GB0127514D0 (en) * 2001-11-16 2002-01-09 Marconi Optical Components Ltd Imaging device
US7006052B2 (en) * 2003-05-15 2006-02-28 Harris Corporation Passive magnetic radome
US6975279B2 (en) * 2003-05-30 2005-12-13 Harris Foundation Efficient radome structures of variable geometry
JP2005033475A (ja) * 2003-07-11 2005-02-03 Tokai Rika Co Ltd アンテナ装置
US7301504B2 (en) 2004-07-14 2007-11-27 Ems Technologies, Inc. Mechanical scanning feed assembly for a spherical lens antenna
US8605001B2 (en) * 2009-09-17 2013-12-10 Mitsubishi Electric Corporation Radome equipment
JP5717202B2 (ja) * 2010-03-26 2015-05-13 国立大学法人山口大学 不可視包囲体
CN102790268B (zh) * 2011-05-17 2014-09-03 深圳光启高等理工研究院 一种天线防护罩
CN103022686A (zh) * 2011-09-22 2013-04-03 深圳光启高等理工研究院 天线罩
CN103296442B (zh) * 2012-02-29 2017-10-31 洛阳尖端技术研究院 超材料及由超材料制成的天线罩
US9099782B2 (en) 2012-05-29 2015-08-04 Cpi Radant Technologies Division Inc. Lightweight, multiband, high angle sandwich radome structure for millimeter wave frequencies
US20140091969A1 (en) * 2012-10-02 2014-04-03 Delphi Technologies, Inc. Radome for a radar sensor assembly
EP2906902B1 (en) * 2012-10-12 2018-08-01 DSM IP Assets B.V. Composite antiballistic radome walls
EP2747202A1 (de) * 2012-12-18 2014-06-25 EADS Deutschland GmbH Wandung eines Radoms
JP6432746B2 (ja) * 2013-07-02 2018-12-05 ディーエスエム アイピー アセッツ ビー．ブイ．Ｄｓｍ Ｉｐ Ａｓｓｅｔｓ Ｂ．Ｖ． 複合防弾レドーム壁およびその製造方法
GB201516322D0 (en) * 2015-09-15 2015-10-28 Univ Cardiff An artificial magnetic conductor
JP2017129418A (ja) 2016-01-19 2017-07-27 日本電産エレシス株式会社 車両
JP2017129419A (ja) 2016-01-19 2017-07-27 日本電産エレシス株式会社 車両
JP2017161431A (ja) * 2016-03-11 2017-09-14 日本電産エレシス株式会社 車両
JP6905191B2 (ja) * 2017-09-14 2021-07-21 日本電信電話株式会社 レンズ及び複眼レンズ
US11637367B2 (en) * 2018-04-06 2023-04-25 3M Innovative Properties Company Gradient permittivity film
US11552405B1 (en) * 2018-09-21 2023-01-10 Apple Inc. Lens structure
US20200127373A1 (en) * 2018-10-18 2020-04-23 GM Global Technology Operations LLC Bottom-up radar sensor radome construction
JP7233544B2 (ja) 2018-12-27 2023-03-06 サン－ゴバン パフォーマンス プラスティックス コーポレイション 広帯域レドーム設計
CN113228413B (zh) * 2018-12-28 2023-11-17 美国圣戈班性能塑料公司 连续介电常数适配天线罩设计
JPWO2022176591A1 (ko) * 2021-02-19 2022-08-25
GB2605356A (en) * 2021-02-23 2022-10-05 Satixfy Uk Ltd Method and system for vertical stabilizer mismatch loss reduction
WO2023248882A1 (ja) * 2022-06-22 2023-12-28 日本電気硝子株式会社 電波用誘電体部品

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US1990649A (en) * 1931-12-17 1935-02-12 Telefunken Gmbh Transmitting or receiving arrangement for concentrated electric waves
BE474864A (ko) * 1944-04-22
US2659884A (en) * 1949-08-03 1953-11-17 Mcmillan Dielectric wall for transmission of centimetric radiation
NL244999A (ko) * 1958-11-21
FR1357823A (fr) * 1963-03-01 1964-04-10 Csf Enveloppes pour récepteurs et émetteurs hyperfréquence
US3366965A (en) * 1963-12-13 1968-01-30 Kabushikikaisha Tokyo Keiki Se Omni-directional dielectric lens reflector and method of manufacturing same
US3435458A (en) * 1965-12-07 1969-03-25 Radiation Inc Stepped dielectric constant end fire antenna
DE2441540C3 (de) * 1974-08-30 1979-08-02 Gruenzweig + Hartmann Und Glasfaser Ag, 6700 Ludwigshafen Selbsttragende, reflexionsarme, dielektrische Abdeckung für Mikrowellenantennen
JPS51122357A (en) * 1975-04-17 1976-10-26 Mitsubishi Electric Corp Multi-layered sandwich-shaped radome
JPS52113142A (en) * 1976-03-18 1977-09-22 New Japan Radio Co Ltd Water proof system for microwave antenna
JPS5483741A (en) * 1977-12-16 1979-07-04 Nippon Telegr & Teleph Corp <Ntt> Broad-band antenna radome
JPS6048294B2 (ja) * 1980-09-18 1985-10-26 神鋼電機株式会社 ナットのためのベルト式回螺装置
JPS5927606B2 (ja) * 1981-03-11 1984-07-06 義彦 上田 濾過装置
JPS61253902A (ja) * 1985-05-02 1986-11-11 Mitsubishi Electric Corp Ｆｒｐレド−ム
CA1304155C (en) * 1987-10-02 1992-06-23 Keith C. Smith Lens/polarizer/radome

Also Published As

Publication number Publication date
KR910007176A (ko) 1991-04-30
CA2024118C (en) 1995-07-04
KR930008832B1 (ko) 1993-09-15
EP0420137B1 (en) 1994-11-02
US5017939A (en) 1991-05-21
JPH03119807A (ja) 1991-05-22
CA2024118A1 (en) 1991-03-27
AU6221090A (en) 1991-05-16
AU625586B2 (en) 1992-07-16
EP0420137A2 (en) 1991-04-03
DE69013839D1 (de) 1994-12-08
ES2062243T3 (es) 1994-12-16
DE69013839T2 (de) 1995-03-23
EP0420137A3 (en) 1991-08-14

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Legal Events

Date Code Title Description
CE Application withdrawn (oppos. filed against grant of patent)

Free format text: APPLICANT WITHDREW APPLICATION ON 08.08.95