FR1564646A - - Google Patents

Info

Publication number
FR1564646A
FR1564646A FR139374A FR1564646DA FR1564646A FR 1564646 A FR1564646 A FR 1564646A FR 139374 A FR139374 A FR 139374A FR 1564646D A FR1564646D A FR 1564646DA FR 1564646 A FR1564646 A FR 1564646A
Authority
FR
France
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
FR139374A
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1564646A publication Critical patent/FR1564646A/fr
Expired legal-status Critical Current

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
    • H01Q25/02—Antennas or antenna systems providing at least two radiating patterns providing sum and difference patterns
FR139374A 1968-02-09 1968-02-09 Expired FR1564646A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR139374 1968-02-09

Publications (1)

Publication Number Publication Date
FR1564646A true FR1564646A (ja) 1969-04-25

Family

ID=8645799

Family Applications (1)

Application Number Title Priority Date Filing Date
FR139374A Expired FR1564646A (ja) 1968-02-09 1968-02-09

Country Status (6)

Country Link
US (1) US3594811A (ja)
DE (1) DE1906325A1 (ja)
FR (1) FR1564646A (ja)
GB (1) GB1235219A (ja)
NL (1) NL6901959A (ja)
SE (1) SE354946B (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU531239B2 (en) * 1978-06-15 1983-08-18 Plessey Overseas Ltd. Directional arrays
FR2455369A1 (fr) * 1979-04-25 1980-11-21 Thomson Csf Antenne monopulsee a domaine de mesure angulaire elargi et radar equipe d'une telle antenne
DE2932896C2 (de) * 1979-08-14 1982-06-09 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltungsanordnung für die Empfangsstelle einer Diversity-Übertragungsstrecke
US4616230A (en) * 1984-11-15 1986-10-07 The United States Of America As Represented By The Secretary Of The Air Force Conformal phased array antenna pattern corrector
EP0237110A1 (en) * 1986-03-05 1987-09-16 THORN EMI Electronics Limited Direction-finding antenna system
US4827270A (en) * 1986-12-22 1989-05-02 Mitsubishi Denki Kabushiki Kaisha Antenna device
DE10012080C1 (de) * 2000-03-14 2001-10-31 Daimler Chrysler Ag Antennenarray und Verfahren zum Betrieb eines Antennenarrays
JP3995004B2 (ja) * 2004-07-12 2007-10-24 日本電気株式会社 ヌルフィルアンテナ、オムニアンテナ、無線装置
US7705770B2 (en) * 2004-07-16 2010-04-27 Telephonics, Inc. System and method for suppressing IFF responses in the sidelobes and backlobes of IFF interrogator antennas
US20080068266A1 (en) * 2005-11-23 2008-03-20 Northrop Grumman Corporation Beamforming for spatial sidelobe cancellation and AMR direction finding
US7663548B2 (en) * 2006-03-24 2010-02-16 The Aerospace Corporation Switched combiner GPS receiver system
FR2918804B1 (fr) * 2007-07-12 2009-10-02 Thales Sa Pseudo-antenne omnidirectionnelle pour interrogateur ou systeme permettant les fonctions d'interrogation reponse et/ou d'ecoute passive
US9350086B2 (en) * 2012-11-09 2016-05-24 Src, Inc. Shaped lens antenna for direction finding at the Ka-band
US10167709B2 (en) 2014-06-09 2019-01-01 Turboshale, Inc. Subsurface multiple antenna radiation technology (SMART)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1231221A (fr) * 1959-04-10 1960-09-27 Csf Antennes superdirectives
US3255450A (en) * 1960-06-15 1966-06-07 Sanders Associates Inc Multiple beam antenna system employing multiple directional couplers in the leadin
US3267472A (en) * 1960-07-20 1966-08-16 Litton Systems Inc Variable aperture antenna system
US3276018A (en) * 1963-05-08 1966-09-27 Jesse L Butler Phase control arrangements for a multiport system
GB1056352A (en) * 1963-07-29 1967-01-25 Marconi Co Ltd Improvements in or relating to aerial systems

Also Published As

Publication number Publication date
US3594811A (en) 1971-07-20
SE354946B (ja) 1973-03-26
NL6901959A (ja) 1969-08-12
DE1906325A1 (de) 1969-09-04
GB1235219A (en) 1971-06-09

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Legal Events

Date Code Title Description
ST Notification of lapse