DE3570952D1 - Inflatable radar reflector - Google Patents

Inflatable radar reflector

Info

Publication number
DE3570952D1
DE3570952D1 DE8585114423T DE3570952T DE3570952D1 DE 3570952 D1 DE3570952 D1 DE 3570952D1 DE 8585114423 T DE8585114423 T DE 8585114423T DE 3570952 T DE3570952 T DE 3570952T DE 3570952 D1 DE3570952 D1 DE 3570952D1
Authority
DE
Germany
Prior art keywords
reflectors
radar reflector
envelope
collapsible
inflatable
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
Application number
DE8585114423T
Other languages
English (en)
Inventor
Gene E Gentry
John H Bain Jr
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.)
LAVAL MARLENE
Original Assignee
LAVAL MARLENE
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 LAVAL MARLENE filed Critical LAVAL MARLENE
Application granted granted Critical
Publication of DE3570952D1 publication Critical patent/DE3570952D1/de
Expired legal-status Critical Current

Links

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
    • H01Q15/14—Reflecting surfaces; Equivalent structures
    • H01Q15/18—Reflecting surfaces; Equivalent structures comprising plurality of mutually inclined plane surfaces, e.g. corner reflector
    • H01Q15/20—Collapsible reflectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/08—Means for collapsing antennas or parts thereof
    • H01Q1/081—Inflatable antennas

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Aerials With Secondary Devices (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
DE8585114423T 1984-11-13 1985-11-13 Inflatable radar reflector Expired DE3570952D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/670,211 US4673934A (en) 1984-11-13 1984-11-13 Inflatable radar reflector

Publications (1)

Publication Number Publication Date
DE3570952D1 true DE3570952D1 (en) 1989-07-13

Family

ID=24689469

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585114423T Expired DE3570952D1 (en) 1984-11-13 1985-11-13 Inflatable radar reflector

Country Status (4)

Country Link
US (1) US4673934A (de)
EP (1) EP0182274B1 (de)
AT (1) ATE43937T1 (de)
DE (1) DE3570952D1 (de)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO165368C (no) * 1988-07-13 1991-01-30 Baco Ind A S Ny Hjoernereflektor til bruk i en radarballong.
US4901081A (en) * 1988-08-22 1990-02-13 Lifeball International Corporation Elliptical inflatable radar reflector
GB2227368A (en) * 1989-01-24 1990-07-25 Marconi Gec Ltd Radar reflector
GB2238175A (en) * 1989-09-23 1991-05-22 Woodville Polymer Eng Detection of airborne craft.
AU645743B2 (en) * 1989-12-11 1994-01-27 Baco Industrier A/S A corner reflector for use in a radar balloon
WO1991016735A1 (en) * 1990-04-12 1991-10-31 Colebrand Limited Reflector
GB9107003D0 (en) * 1991-04-04 1991-05-22 Chemring Ltd Inflatable marine radar reflector
US5457472A (en) * 1992-06-11 1995-10-10 Baco Industrier A/S Corner reflector for use in a radar balloon
FR2723263A1 (fr) * 1993-02-23 1996-02-02 Lacroix E Tous Artifices Reflecteur radar perfectionne a base de reflecteurs d'angle et de structure support gonflable
NO177620C (no) * 1993-06-25 1995-10-18 Forsvarets Forsknings Kraftkontrollerende oppheng for objekt i ballong
US5838275A (en) * 1996-10-03 1998-11-17 Carmi; Ariel Marine personal locator and automatic opening omnidirectional radar retroreflector incorporated therein
WO1999037535A1 (en) * 1998-01-23 1999-07-29 Rhumbline Limited A buoyancy device
US6115003A (en) * 1998-03-11 2000-09-05 Dennis J. Kozakoff Inflatable plane wave antenna
US5940023A (en) * 1998-04-29 1999-08-17 Pioneer Aerospace Corporation Parachute apparatus having enhanced radar reflective characteristics
US6384764B1 (en) * 2000-01-14 2002-05-07 Todd Cumberland Inflatable radar reflector
US6300893B1 (en) * 2000-03-27 2001-10-09 The United States Of America As Represented By The Secretary Of The Navy Emergency passive radar locating device
GB2368216B (en) * 2000-07-06 2004-04-28 Roke Manor Research Improvements in or relating to radar systems
US6570545B1 (en) 2001-12-06 2003-05-27 The United States Of America As Represented By The Secretary Of The Navy Apparatus and process for reflecting radar waves
US6864858B1 (en) 2001-12-06 2005-03-08 The United States Of America As Represented By The Secretary Of The Navy Radar reflecting rescue device
US6963315B2 (en) * 2003-05-05 2005-11-08 Srs Technologies, Inc. Inflatable antenna
BRPI0417312A (pt) * 2003-12-04 2007-03-27 John Raymond Essig Jr aparelho de campo desdobrável multifuncional inflável modular e métodos de manufatura
AP2007003969A0 (en) * 2004-10-20 2007-04-30 John R Essig Jr Multi-function field-deployable resource harnessing apparatus and method of manufactures
US20070105081A1 (en) * 2005-11-04 2007-05-10 Valle Rainer A D Apparatus for swimmer protection and uses thereof
DE102006019170B4 (de) * 2006-04-21 2008-05-29 Haindl Kunststoffverarbeitung Gmbh Schifffahrtszeichen
KR100999442B1 (ko) * 2007-06-22 2010-12-09 한국해양연구원 레이더횡단면 특성을 이용한 비상 조난위치 표시 장치
GB2475746A (en) * 2009-11-30 2011-06-01 Anthony George Kearney Stabilised radar reflector located within a protective sphere
US7932850B1 (en) * 2010-05-28 2011-04-26 Arthur Anton Hochschild, III Buoyant target with radar reflectivity
EP2593936B1 (de) * 2010-07-16 2019-03-06 Clearwater Hydroacoustics Limited Akustische reflektoren
EP2730882B1 (de) * 2011-07-08 2018-03-14 IHI Aerospace Co., Ltd. Eckenreflektor
WO2013008513A1 (ja) * 2011-07-08 2013-01-17 株式会社Ｉｈｉエアロスペース コーナーリフレクタ
DE102011120929A1 (de) 2011-12-14 2013-06-20 Rheinmetall Waffe Munition Gmbh Schutzsystem, insbesondere für Schiffe, gegen radargelenkte Bedrohungen
US20150048572A1 (en) * 2013-03-29 2015-02-19 American Pacific Plastic Fabricators, Inc. Buoyant target with laser reflectivity
WO2015196098A1 (en) * 2014-06-20 2015-12-23 Lockheed Martin Corporation Inflatable radar signal device
JP6806061B2 (ja) * 2015-07-24 2021-01-06 日本電気株式会社 反射体
TR201710409A2 (tr) * 2017-07-14 2019-02-21 Tuerkiye Bilimsel Ve Teknolojik Arastirma Kurumu Tuebitak Çok yönlü geri̇ yansimali pasi̇f sahte hedef
US11112490B2 (en) * 2019-04-15 2021-09-07 Argo AI, LLC Apparatus for joint calibration of radar and camera systems for autonomous vehicle applications
RU2767017C1 (ru) * 2021-05-12 2022-03-16 Федеральное государственное бюджетное учреждение науки Институт проблем морских технологий Дальневосточного отделения Российской академии наук (ИПМТ ДВО РАН) Модульный надувной радиолокационный отражатель
US20230064232A1 (en) * 2021-08-27 2023-03-02 Motional Ad Llc Universal calibration targets and calibration spaces

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2463517A (en) * 1945-06-30 1949-03-08 Chromak Leon Air-borne corner reflector
US2534716A (en) * 1945-10-08 1950-12-19 Emmett L Hudspeth Inflatable radar reflector buoy
US2576255A (en) * 1948-06-15 1951-11-27 Emmett L Hudspeth Reflecting fabric
US3041604A (en) * 1957-08-15 1962-06-26 Decca Record Co Ltd Corner reflector formed of taut flat reflecting elements with resilient peripheral tesion frames
US2912687A (en) * 1957-11-19 1959-11-10 Leonard Nathaniel Nelson Foldable radar target
US3047860A (en) * 1957-11-27 1962-07-31 Austin B Swallow Two ply electromagnetic energy reflecting fabric
US3276017A (en) * 1961-10-18 1966-09-27 Gen Mills Inc Inflatable support structure
US3671965A (en) * 1970-04-03 1972-06-20 Us Navy Rapid deployment corner reflector
AR209680A1 (es) * 1975-09-22 1977-05-13 Jouanno R Perfeccionamientos introducidos en un reflector de radar plegable

Also Published As

Publication number Publication date
EP0182274A3 (en) 1987-05-06
EP0182274A2 (de) 1986-05-28
US4673934A (en) 1987-06-16
ATE43937T1 (de) 1989-06-15
EP0182274B1 (de) 1989-06-07

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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