JP7255678B2 - アンテナ装置及びその設計方法 - Google Patents

アンテナ装置及びその設計方法 Download PDF

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Publication number
JP7255678B2
JP7255678B2 JP2021526899A JP2021526899A JP7255678B2 JP 7255678 B2 JP7255678 B2 JP 7255678B2 JP 2021526899 A JP2021526899 A JP 2021526899A JP 2021526899 A JP2021526899 A JP 2021526899A JP 7255678 B2 JP7255678 B2 JP 7255678B2
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Japan
Prior art keywords
antenna device
parabolic mirror
focus
mirror
parabolic
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JP2021526899A
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English (en)
Japanese (ja)
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JPWO2020256093A1 (https=
Inventor
進一郎 北野
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NEC Corp
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NEC Corp
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Publication of JPWO2020256093A1 publication Critical patent/JPWO2020256093A1/ja
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    • 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
    • H01Q19/17—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 comprising two or more radiating elements
    • 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
    • H01Q15/14—Reflecting surfaces; Equivalent structures
    • H01Q15/16—Reflecting surfaces; Equivalent structures curved in two dimensions [2D], e.g. paraboloidal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/007—Antennas or antenna systems providing at least two radiating patterns using two or more primary active elements in the focal region of a focusing device

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Aerials With Secondary Devices (AREA)
JP2021526899A 2019-06-20 2020-06-19 アンテナ装置及びその設計方法 Active JP7255678B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019114922 2019-06-20
JP2019114922 2019-06-20
PCT/JP2020/024086 WO2020256093A1 (ja) 2019-06-20 2020-06-19 アンテナ装置及びその設計方法

Publications (2)

Publication Number Publication Date
JPWO2020256093A1 JPWO2020256093A1 (https=) 2020-12-24
JP7255678B2 true JP7255678B2 (ja) 2023-04-11

Family

ID=74040493

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021526899A Active JP7255678B2 (ja) 2019-06-20 2020-06-19 アンテナ装置及びその設計方法

Country Status (4)

Country Link
US (1) US11769953B2 (https=)
EP (1) EP3989362A4 (https=)
JP (1) JP7255678B2 (https=)
WO (1) WO2020256093A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115360530A (zh) * 2022-08-10 2022-11-18 胡凌波 一种双焦组合抛物面天线

Family Cites Families (31)

* Cited by examiner, † Cited by third party
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NL278997A (https=) * 1961-07-31
DE2245346C1 (de) * 1972-09-15 1978-04-27 Siemens Ag, 1000 Berlin Und 8000 Muenchen Antennenanordnung für Radar- bzw. Peilzwecke mit Summen-Differenzdiagramm
US3795004A (en) * 1973-02-26 1974-02-26 Us Army Cassegrain radar antenna with selectable acquisition and track modes
JPS5062345A (https=) * 1973-10-01 1975-05-28
JPS5315045A (en) * 1976-07-27 1978-02-10 Mitsubishi Electric Corp Multi-frequency common-use antenna
JPS56110305A (en) 1980-02-05 1981-09-01 Nec Corp Fan-shaped beam antenna
JPS63146502A (ja) * 1986-12-09 1988-06-18 Nec Corp マルチビ−ムアンテナ
JPH04100302A (ja) 1990-08-18 1992-04-02 Nec Corp マルチビームアンテナ
US5298909A (en) * 1991-12-11 1994-03-29 The Boeing Company Coaxial multiple-mode antenna system
JP2545737B2 (ja) * 1994-01-10 1996-10-23 郵政省通信総合研究所長 ガウシアンビーム型アンテナ装置
US5440801A (en) * 1994-03-03 1995-08-15 Composite Optics, Inc. Composite antenna
US6061033A (en) * 1997-11-06 2000-05-09 Raytheon Company Magnified beam waveguide antenna system for low gain feeds
JP3489985B2 (ja) 1998-02-06 2004-01-26 三菱電機株式会社 アンテナ装置
US6172650B1 (en) * 1998-07-02 2001-01-09 Kabushiki Kaisha Toyota Chuo Kenkyusho Antenna system
GB9914162D0 (en) * 1999-06-18 1999-08-18 Secr Defence Brit Steerable transponders
JP2001185946A (ja) * 1999-10-14 2001-07-06 Toyota Central Res & Dev Lab Inc アンテナ装置
GB0220434D0 (en) * 2002-09-03 2004-03-17 Qinetiq Ltd Detection device
US7878191B2 (en) * 2007-10-31 2011-02-01 Bender William H Solar collector stabilized by cables and a compression element
WO2009072602A1 (ja) * 2007-12-07 2009-06-11 Nec Corporation パラボラアンテナ
US8368608B2 (en) * 2008-04-28 2013-02-05 Harris Corporation Circularly polarized loop reflector antenna and associated methods
WO2011118345A1 (ja) * 2010-03-26 2011-09-29 日本電気株式会社 照明光学系とこれを用いたプロジェクタ
US8686910B1 (en) * 2010-04-12 2014-04-01 Calabazas Creek Research, Inc. Low reflectance radio frequency load
US8322332B2 (en) * 2010-11-08 2012-12-04 Rogers William E Self-erecting gimbal mounted solar radiation collectors
EP2835868B1 (en) * 2012-04-02 2016-09-14 Furuno Electric Co., Ltd. Antenna
WO2017056136A1 (ja) * 2015-10-01 2017-04-06 日本電気株式会社 無線信号送信アンテナ、無線信号受信アンテナ、無線信号送受信システム、無線信号送信方法および無線信号受信方法
WO2018056194A1 (ja) * 2016-09-21 2018-03-29 日本電気株式会社 投射システム
US10361489B2 (en) * 2016-12-01 2019-07-23 At&T Intellectual Property I, L.P. Dielectric dish antenna system and methods for use therewith
JP6218990B1 (ja) * 2016-12-13 2017-10-25 三菱電機株式会社 反射鏡アンテナ装置
JP7005334B2 (ja) 2017-12-22 2022-01-21 キヤノン株式会社 電子機器、その制御方法およびプログラム
JP2019220792A (ja) * 2018-06-18 2019-12-26 パナソニックＩｐマネジメント株式会社 アンテナ装置および無線装置
US11428844B2 (en) * 2019-03-23 2022-08-30 Steel City Optronics, LLC Advanced multi-camera imaging system with polarization responsive antennas

Also Published As

Publication number Publication date
EP3989362A4 (en) 2022-08-10
JPWO2020256093A1 (https=) 2020-12-24
US20220352642A1 (en) 2022-11-03
EP3989362A1 (en) 2022-04-27
US11769953B2 (en) 2023-09-26
WO2020256093A1 (ja) 2020-12-24

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