DE60022137D1 - Reflektor mit konischem Widerstand in Verbindung mit dichtgepackten Speiseelementen für eine zellulare Satellitenstrahlungskeulenabdeckung - Google Patents

Reflektor mit konischem Widerstand in Verbindung mit dichtgepackten Speiseelementen für eine zellulare Satellitenstrahlungskeulenabdeckung

Info

Publication number
DE60022137D1
DE60022137D1 DE60022137T DE60022137T DE60022137D1 DE 60022137 D1 DE60022137 D1 DE 60022137D1 DE 60022137 T DE60022137 T DE 60022137T DE 60022137 T DE60022137 T DE 60022137T DE 60022137 D1 DE60022137 D1 DE 60022137D1
Authority
DE
Germany
Prior art keywords
reflector
conjunction
densely packed
beam coverage
feed elements
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 - Fee Related
Application number
DE60022137T
Other languages
English (en)
Other versions
DE60022137T2 (de
Inventor
Charles W Chandler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Northrop Grumman Corp
Original Assignee
Northrop Grumman Corp
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 Northrop Grumman Corp filed Critical Northrop Grumman Corp
Application granted granted Critical
Publication of DE60022137D1 publication Critical patent/DE60022137D1/de
Publication of DE60022137T2 publication Critical patent/DE60022137T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • H01Q19/02—Details
    • H01Q19/021—Means for reducing undesirable effects
    • 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
    • H01Q15/148—Reflecting surfaces; Equivalent structures with means for varying the reflecting properties
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Aerials With Secondary Devices (AREA)
  • Radio Relay Systems (AREA)
  • Details Of Aerials (AREA)
DE60022137T 1999-07-01 2000-06-30 Reflektor mit konischem Widerstand in Verbindung mit dichtgepackten Speiseelementen für eine zellulare Satellitenstrahlungskeulenabdeckung Expired - Fee Related DE60022137T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/346,445 US6219003B1 (en) 1999-07-01 1999-07-01 Resistive taper for dense packed feeds for cellular spot beam satellite coverage
US346445 1999-07-01

Publications (2)

Publication Number Publication Date
DE60022137D1 true DE60022137D1 (de) 2005-09-29
DE60022137T2 DE60022137T2 (de) 2006-03-30

Family

ID=23359426

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60022137T Expired - Fee Related DE60022137T2 (de) 1999-07-01 2000-06-30 Reflektor mit konischem Widerstand in Verbindung mit dichtgepackten Speiseelementen für eine zellulare Satellitenstrahlungskeulenabdeckung

Country Status (5)

Country Link
US (1) US6219003B1 (de)
EP (1) EP1067630B1 (de)
JP (1) JP3452870B2 (de)
CA (1) CA2311010C (de)
DE (1) DE60022137T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6411276B1 (en) 1996-11-13 2002-06-25 Immersion Corporation Hybrid control of haptic feedback for host computer and interface device
WO2001064432A1 (en) * 2000-02-28 2001-09-07 The Ohio State University Reflective panel for wireless applications
TWI273106B (en) * 2000-05-24 2007-02-11 Chi Mei Corp Method of manufacturing polydiene-based rubber
US8358971B2 (en) 2002-07-23 2013-01-22 Qualcomm Incorporated Satellite-based programmable allocation of bandwidth for forward and return links
US7379758B2 (en) * 2002-07-23 2008-05-27 Qualcomm Incorporated Satellite communication system constituted with primary and back-up multi-beam satellites
US6759994B2 (en) * 2002-07-26 2004-07-06 The Boeing Company Multiple beam antenna using reflective and partially reflective surfaces
US6731249B1 (en) * 2003-04-01 2004-05-04 Wistron Neweb Corporation Multi-beam-reflector dish antenna and method for production thereof
JP4944044B2 (ja) * 2005-02-28 2012-05-30 テレフオンアクチーボラゲット エル エム エリクソン（パブル） 集積アンテナのレーダ断面積を減少する方法及び構成
FR2888674B1 (fr) * 2005-07-13 2009-10-23 Alcatel Sa Antenne reseau a reflecteur(s) conforme(s), a forte reconfigurabilite en orbite
GB0810075D0 (en) * 2008-05-03 2008-07-09 Raven Mfg Ltd Satellite date receiving apparatus
US9153877B2 (en) * 2011-12-20 2015-10-06 Space Systems/Loral, Llc High efficiency multi-beam antenna
FR3026896B1 (fr) * 2014-10-03 2018-07-06 Thales Antenne a reflecteur(s) conforme(s) reconfigurable en orbite
US10084536B1 (en) 2016-08-25 2018-09-25 Star Mesh LLC Radio system using satellites
US10085200B1 (en) 2017-09-29 2018-09-25 Star Mesh LLC Radio system using nodes with high gain antennas
US10291316B1 (en) 2017-12-11 2019-05-14 Star Mesh LLC Data transmission systems and methods using satellite-to-satellite radio links
US10516216B2 (en) 2018-01-12 2019-12-24 Eagle Technology, Llc Deployable reflector antenna system
US10979136B2 (en) 2018-07-12 2021-04-13 Star Mesh LLC Communications systems and methods with stochastically distributed orbiting satellites
US10707552B2 (en) 2018-08-21 2020-07-07 Eagle Technology, Llc Folded rib truss structure for reflector antenna with zero over stretch
US11870543B2 (en) 2020-05-18 2024-01-09 Star Mesh LLC Data transmission systems and methods for low earth orbit satellite communications
US11968023B2 (en) 2020-12-02 2024-04-23 Star Mesh LLC Systems and methods for creating radio routes and transmitting data via orbiting and non-orbiting nodes
CN113036443B (zh) * 2021-03-04 2022-01-28 西安电子科技大学 一种用于宽带和宽角rcs减缩的光学透明电磁超表面

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3314071A (en) * 1965-07-12 1967-04-11 Gen Dynamics Corp Device for control of antenna illumination tapers comprising a tapered surface of rf absorption material
US4342036A (en) * 1980-12-29 1982-07-27 Ford Aerospace & Communications Corporation Multiple frequency band, multiple beam microwave antenna system
JPS60196003A (ja) * 1984-03-19 1985-10-04 Nippon Telegr & Teleph Corp <Ntt> 低サイドロ−ブマルチビ−ムアンテナ
US5134423A (en) * 1990-11-26 1992-07-28 The United States Of America As Represented By The Secretary Of The Air Force Low sidelobe resistive reflector antenna
CA2134384C (en) * 1993-11-18 1997-09-30 Robert Lee Reynolds Attenuation fin blanket for a feed horn
US5557291A (en) * 1995-05-25 1996-09-17 Hughes Aircraft Company Multiband, phased-array antenna with interleaved tapered-element and waveguide radiators

Also Published As

Publication number Publication date
US6219003B1 (en) 2001-04-17
DE60022137T2 (de) 2006-03-30
JP2001060825A (ja) 2001-03-06
EP1067630B1 (de) 2005-08-24
EP1067630A2 (de) 2001-01-10
CA2311010A1 (en) 2001-01-01
EP1067630A3 (de) 2004-01-02
CA2311010C (en) 2003-10-14
JP3452870B2 (ja) 2003-10-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee