NL8503582A - Radiofrequentie-antennestelsel. - Google Patents

Radiofrequentie-antennestelsel. Download PDF

Info

Publication number
NL8503582A
NL8503582A NL8503582A NL8503582A NL8503582A NL 8503582 A NL8503582 A NL 8503582A NL 8503582 A NL8503582 A NL 8503582A NL 8503582 A NL8503582 A NL 8503582A NL 8503582 A NL8503582 A NL 8503582A
Authority
NL
Netherlands
Prior art keywords
radio frequency
ports
energy
lens
parallel plate
Prior art date
Application number
NL8503582A
Other languages
English (en)
Dutch (nl)
Original Assignee
Raytheon 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 Raytheon Co filed Critical Raytheon Co
Publication of NL8503582A publication Critical patent/NL8503582A/nl

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/002—Antennas or antenna systems providing at least two radiating patterns providing at least two patterns of different beamwidth; Variable beamwidth antennas
    • 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
    • H01Q25/008—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 lens fed multibeam arrays

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Aerials With Secondary Devices (AREA)
NL8503582A 1984-12-31 1985-12-30 Radiofrequentie-antennestelsel. NL8503582A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/687,679 US4641144A (en) 1984-12-31 1984-12-31 Broad beamwidth lens feed
US68767984 1984-12-31

Publications (1)

Publication Number Publication Date
NL8503582A true NL8503582A (nl) 1986-07-16

Family

ID=24761368

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8503582A NL8503582A (nl) 1984-12-31 1985-12-30 Radiofrequentie-antennestelsel.

Country Status (6)

Country Link
US (1) US4641144A (it)
DE (1) DE3546347A1 (it)
FR (1) FR2575607A1 (it)
GB (1) GB2169453B (it)
IT (1) IT1181997B (it)
NL (1) NL8503582A (it)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2729764B1 (fr) * 1986-09-16 1997-04-11 Thomson Csf Radar a champ angulaire instantane important et haut pouvoir instantane de resolution angulaire, notamment pour autodirecteur de missile
US5121129A (en) * 1990-03-14 1992-06-09 Space Systems/Loral, Inc. EHF omnidirectional antenna
US5128687A (en) * 1990-05-09 1992-07-07 The Mitre Corporation Shared aperture antenna for independently steered, multiple simultaneous beams
US5274389A (en) * 1990-06-21 1993-12-28 Raytheon Company Broadband direction finding system
FR2739974B1 (fr) * 1995-10-17 1998-01-09 Dassault Electronique Lentille electromagnetique de type circuit imprime a substrat suspendu
US5677697A (en) * 1996-02-28 1997-10-14 Hughes Electronics Millimeter wave arrays using Rotman lens and optical heterodyne
US5933109A (en) * 1996-05-02 1999-08-03 Honda Giken Kabushiki Kaisha Multibeam radar system
US6031501A (en) * 1997-03-19 2000-02-29 Georgia Tech Research Corporation Low cost compact electronically scanned millimeter wave lens and method
SE509278C2 (sv) * 1997-05-07 1999-01-11 Ericsson Telefon Ab L M Radioantennanordning och förfarande för samtidig alstring av bred lob och smal peklob
US6130653A (en) * 1998-09-29 2000-10-10 Raytheon Company Compact stripline Rotman lens
US7358913B2 (en) * 1999-11-18 2008-04-15 Automotive Systems Laboratory, Inc. Multi-beam antenna
US20050219126A1 (en) * 2004-03-26 2005-10-06 Automotive Systems Laboratory, Inc. Multi-beam antenna
US6424319B2 (en) * 1999-11-18 2002-07-23 Automotive Systems Laboratory, Inc. Multi-beam antenna
US6606077B2 (en) 1999-11-18 2003-08-12 Automotive Systems Laboratory, Inc. Multi-beam antenna
US7994996B2 (en) * 1999-11-18 2011-08-09 TK Holding Inc., Electronics Multi-beam antenna
US7042420B2 (en) * 1999-11-18 2006-05-09 Automotive Systems Laboratory, Inc. Multi-beam antenna
DE10259863A1 (de) * 2002-12-20 2004-07-08 Robert Bosch Gmbh Winkelscannendes Radarsystem
US6982676B2 (en) * 2003-04-18 2006-01-03 Hrl Laboratories, Llc Plano-convex rotman lenses, an ultra wideband array employing a hybrid long slot aperture and a quasi-optic beam former
CN100455075C (zh) * 2003-06-05 2009-01-21 中兴通讯股份有限公司 空间多波束馈电网络的实现装置
JP2008530914A (ja) * 2005-02-10 2008-08-07 オートモーティブ システムズ ラボラトリー インコーポレーテッド ガードビームを有する車輌レーダーシステム
US7898480B2 (en) * 2005-05-05 2011-03-01 Automotive Systems Labortaory, Inc. Antenna
US8588220B2 (en) * 2005-12-30 2013-11-19 L-3 Communications Corporation Method and apparatus for mitigating port swapping during signal tracking
US7724197B1 (en) * 2007-04-30 2010-05-25 Planet Earth Communications, Llc Waveguide beam forming lens with per-port power dividers
JP6788685B2 (ja) * 2016-12-07 2020-11-25 株式会社フジクラ アンテナ装置
CN112886276A (zh) * 2021-01-14 2021-06-01 广州司南技术有限公司 多波束透镜天线和有源透镜天线系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3715749A (en) * 1971-05-11 1973-02-06 Raytheon Co Multi-beam radio frequency system
US3761936A (en) * 1971-05-11 1973-09-25 Raytheon Co Multi-beam array antenna
US3964069A (en) * 1975-05-01 1976-06-15 Raytheon Company Constant beamwidth antenna
US4490723A (en) * 1983-01-03 1984-12-25 Raytheon Company Parallel plate lens antenna

Also Published As

Publication number Publication date
IT8548975A0 (it) 1985-12-20
IT1181997B (it) 1987-09-30
US4641144A (en) 1987-02-03
GB2169453B (en) 1989-03-01
DE3546347A1 (de) 1986-07-10
GB2169453A (en) 1986-07-09
FR2575607A1 (fr) 1986-07-04
GB8531903D0 (en) 1986-02-05

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Legal Events

Date Code Title Description
BV The patent application has lapsed